697bb191b0
Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 38344
4802 lines
134 KiB
Diff
4802 lines
134 KiB
Diff
From ad11aedcc16574c0b3d3f5e40c67227d1846b94e Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Mon, 22 Apr 2013 23:20:03 +0200
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Subject: [PATCH 16/33] NET: MIPS: add ralink SoC ethernet driver
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Add support for Ralink FE and ESW.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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.../include/asm/mach-ralink/rt305x_esw_platform.h | 27 +
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arch/mips/ralink/rt305x.c | 1 +
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drivers/net/ethernet/Kconfig | 1 +
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drivers/net/ethernet/Makefile | 1 +
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drivers/net/ethernet/ralink/Kconfig | 31 +
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drivers/net/ethernet/ralink/Makefile | 18 +
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drivers/net/ethernet/ralink/esw_rt3052.c | 1463 ++++++++++++++++++++
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drivers/net/ethernet/ralink/esw_rt3052.h | 32 +
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drivers/net/ethernet/ralink/gsw_mt7620a.c | 1027 ++++++++++++++
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drivers/net/ethernet/ralink/gsw_mt7620a.h | 29 +
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drivers/net/ethernet/ralink/mdio.c | 245 ++++
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drivers/net/ethernet/ralink/mdio.h | 29 +
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drivers/net/ethernet/ralink/mdio_rt2880.c | 232 ++++
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drivers/net/ethernet/ralink/mdio_rt2880.h | 26 +
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drivers/net/ethernet/ralink/ralink_soc_eth.c | 735 ++++++++++
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drivers/net/ethernet/ralink/ralink_soc_eth.h | 374 +++++
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drivers/net/ethernet/ralink/soc_mt7620.c | 111 ++
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drivers/net/ethernet/ralink/soc_rt2880.c | 51 +
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drivers/net/ethernet/ralink/soc_rt305x.c | 113 ++
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drivers/net/ethernet/ralink/soc_rt3883.c | 60 +
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20 files changed, 4606 insertions(+)
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create mode 100644 arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h
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create mode 100644 drivers/net/ethernet/ralink/Kconfig
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create mode 100644 drivers/net/ethernet/ralink/Makefile
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create mode 100644 drivers/net/ethernet/ralink/esw_rt3052.c
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create mode 100644 drivers/net/ethernet/ralink/esw_rt3052.h
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create mode 100644 drivers/net/ethernet/ralink/gsw_mt7620a.c
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create mode 100644 drivers/net/ethernet/ralink/gsw_mt7620a.h
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create mode 100644 drivers/net/ethernet/ralink/mdio.c
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create mode 100644 drivers/net/ethernet/ralink/mdio.h
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create mode 100644 drivers/net/ethernet/ralink/mdio_rt2880.c
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create mode 100644 drivers/net/ethernet/ralink/mdio_rt2880.h
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create mode 100644 drivers/net/ethernet/ralink/ralink_soc_eth.c
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create mode 100644 drivers/net/ethernet/ralink/ralink_soc_eth.h
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create mode 100644 drivers/net/ethernet/ralink/soc_mt7620.c
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create mode 100644 drivers/net/ethernet/ralink/soc_rt2880.c
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create mode 100644 drivers/net/ethernet/ralink/soc_rt305x.c
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create mode 100644 drivers/net/ethernet/ralink/soc_rt3883.c
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Index: linux-3.10.13/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-3.10.13/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h 2013-10-08 17:26:47.060172632 +0200
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@@ -0,0 +1,27 @@
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+/*
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+ * Ralink RT305x SoC platform device registration
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+ *
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+ * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License version 2 as published
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+ * by the Free Software Foundation.
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+ */
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+
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+#ifndef _RT305X_ESW_PLATFORM_H
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+#define _RT305X_ESW_PLATFORM_H
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+
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+enum {
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+ RT305X_ESW_VLAN_CONFIG_NONE = 0,
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+ RT305X_ESW_VLAN_CONFIG_LLLLW,
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+ RT305X_ESW_VLAN_CONFIG_WLLLL,
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+};
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+
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+struct rt305x_esw_platform_data
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+{
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+ u8 vlan_config;
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+ u32 reg_initval_fct2;
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+ u32 reg_initval_fpa2;
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+};
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+
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+#endif /* _RT305X_ESW_PLATFORM_H */
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Index: linux-3.10.13/arch/mips/ralink/rt305x.c
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===================================================================
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--- linux-3.10.13.orig/arch/mips/ralink/rt305x.c 2013-10-08 17:26:43.276172503 +0200
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+++ linux-3.10.13/arch/mips/ralink/rt305x.c 2013-10-08 17:26:47.060172632 +0200
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@@ -221,6 +221,7 @@
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}
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ralink_clk_add("cpu", cpu_rate);
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+ ralink_clk_add("sys", sys_rate);
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ralink_clk_add("10000b00.spi", sys_rate);
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ralink_clk_add("10000100.timer", wdt_rate);
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ralink_clk_add("10000120.watchdog", wdt_rate);
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Index: linux-3.10.13/drivers/net/ethernet/Kconfig
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===================================================================
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--- linux-3.10.13.orig/drivers/net/ethernet/Kconfig 2013-10-08 17:26:43.276172503 +0200
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+++ linux-3.10.13/drivers/net/ethernet/Kconfig 2013-10-08 17:26:47.064172635 +0200
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@@ -135,6 +135,7 @@
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source "drivers/net/ethernet/packetengines/Kconfig"
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source "drivers/net/ethernet/pasemi/Kconfig"
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source "drivers/net/ethernet/qlogic/Kconfig"
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+source "drivers/net/ethernet/ralink/Kconfig"
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source "drivers/net/ethernet/realtek/Kconfig"
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source "drivers/net/ethernet/renesas/Kconfig"
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source "drivers/net/ethernet/rdc/Kconfig"
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Index: linux-3.10.13/drivers/net/ethernet/Makefile
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===================================================================
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--- linux-3.10.13.orig/drivers/net/ethernet/Makefile 2013-10-08 17:26:43.276172503 +0200
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+++ linux-3.10.13/drivers/net/ethernet/Makefile 2013-10-08 17:26:47.064172635 +0200
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@@ -53,6 +53,7 @@
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obj-$(CONFIG_NET_PACKET_ENGINE) += packetengines/
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obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/
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obj-$(CONFIG_NET_VENDOR_QLOGIC) += qlogic/
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+obj-$(CONFIG_NET_RALINK) += ralink/
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obj-$(CONFIG_NET_VENDOR_REALTEK) += realtek/
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obj-$(CONFIG_SH_ETH) += renesas/
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obj-$(CONFIG_NET_VENDOR_RDC) += rdc/
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Index: linux-3.10.13/drivers/net/ethernet/ralink/Kconfig
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-3.10.13/drivers/net/ethernet/ralink/Kconfig 2013-10-08 17:26:47.064172635 +0200
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@@ -0,0 +1,31 @@
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+config NET_RALINK
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+ tristate "Ralink RT288X/RT3X5X/RT3662/RT3883/MT7620 ethernet driver"
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+ depends on RALINK
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+ help
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+ This driver supports the ethernet mac inside the ralink wisocs
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+
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+if NET_RALINK
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+
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+config NET_RALINK_MDIO
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+ def_bool NET_RALINK
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+ depends on (SOC_RT288X || SOC_RT3883 || SOC_MT7620)
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+ select PHYLIB
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+
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+config NET_RALINK_MDIO_RT2880
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+ def_bool NET_RALINK
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+ depends on (SOC_RT288X || SOC_RT3883)
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+ select NET_RALINK_MDIO
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+
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+config NET_RALINK_ESW_RT3052
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+ def_bool NET_RALINK
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+ depends on SOC_RT305X
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+ select PHYLIB
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+ select SWCONFIG
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+
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+config NET_RALINK_GSW_MT7620
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+ def_bool NET_RALINK
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+ depends on SOC_MT7620
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+ select NET_RALINK_MDIO
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+ select PHYLIB
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+ select SWCONFIG
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+endif
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Index: linux-3.10.13/drivers/net/ethernet/ralink/Makefile
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-3.10.13/drivers/net/ethernet/ralink/Makefile 2013-10-08 17:26:47.064172635 +0200
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@@ -0,0 +1,18 @@
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+#
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+# Makefile for the Ralink SoCs built-in ethernet macs
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+#
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+
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+ralink-eth-y += ralink_soc_eth.o
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+
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+ralink-eth-$(CONFIG_NET_RALINK_MDIO) += mdio.o
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+ralink-eth-$(CONFIG_NET_RALINK_MDIO_RT2880) += mdio_rt2880.o
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+
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+ralink-eth-$(CONFIG_NET_RALINK_ESW_RT3052) += esw_rt3052.o
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+ralink-eth-$(CONFIG_NET_RALINK_GSW_MT7620) += gsw_mt7620a.o mt7530.o
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+
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+ralink-eth-$(CONFIG_SOC_RT288X) += soc_rt2880.o
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+ralink-eth-$(CONFIG_SOC_RT305X) += soc_rt305x.o
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+ralink-eth-$(CONFIG_SOC_RT3883) += soc_rt3883.o
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+ralink-eth-$(CONFIG_SOC_MT7620) += soc_mt7620.o
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+
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+obj-$(CONFIG_NET_RALINK) += ralink-eth.o
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Index: linux-3.10.13/drivers/net/ethernet/ralink/esw_rt3052.c
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-3.10.13/drivers/net/ethernet/ralink/esw_rt3052.c 2013-10-08 17:26:47.068172664 +0200
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@@ -0,0 +1,1463 @@
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+/*
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; version 2 of the License
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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+ *
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+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
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+ */
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+
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+#include <linux/module.h>
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+#include <linux/kernel.h>
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+#include <linux/types.h>
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+#include <linux/dma-mapping.h>
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+#include <linux/init.h>
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+#include <linux/skbuff.h>
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+#include <linux/etherdevice.h>
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+#include <linux/ethtool.h>
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+#include <linux/platform_device.h>
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+#include <linux/of_device.h>
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+#include <linux/clk.h>
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+#include <linux/of_net.h>
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+#include <linux/of_mdio.h>
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+
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+#include <asm/mach-ralink/ralink_regs.h>
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+
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+#include "ralink_soc_eth.h"
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+
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+#include <linux/ioport.h>
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+#include <linux/switch.h>
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+#include <linux/mii.h>
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+
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+#include <ralink_regs.h>
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+#include <asm/mach-ralink/rt305x.h>
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+#include <asm/mach-ralink/rt305x_esw_platform.h>
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+
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+/*
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+ * HW limitations for this switch:
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+ * - No large frame support (PKT_MAX_LEN at most 1536)
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+ * - Can't have untagged vlan and tagged vlan on one port at the same time,
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+ * though this might be possible using the undocumented PPE.
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+ */
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+
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+#define RT305X_ESW_REG_ISR 0x00
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+#define RT305X_ESW_REG_IMR 0x04
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+#define RT305X_ESW_REG_FCT0 0x08
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+#define RT305X_ESW_REG_PFC1 0x14
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+#define RT305X_ESW_REG_ATS 0x24
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+#define RT305X_ESW_REG_ATS0 0x28
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+#define RT305X_ESW_REG_ATS1 0x2c
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+#define RT305X_ESW_REG_ATS2 0x30
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+#define RT305X_ESW_REG_PVIDC(_n) (0x40 + 4 * (_n))
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+#define RT305X_ESW_REG_VLANI(_n) (0x50 + 4 * (_n))
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+#define RT305X_ESW_REG_VMSC(_n) (0x70 + 4 * (_n))
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+#define RT305X_ESW_REG_POA 0x80
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+#define RT305X_ESW_REG_FPA 0x84
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+#define RT305X_ESW_REG_SOCPC 0x8c
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+#define RT305X_ESW_REG_POC0 0x90
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+#define RT305X_ESW_REG_POC1 0x94
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+#define RT305X_ESW_REG_POC2 0x98
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+#define RT305X_ESW_REG_SGC 0x9c
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+#define RT305X_ESW_REG_STRT 0xa0
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+#define RT305X_ESW_REG_PCR0 0xc0
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+#define RT305X_ESW_REG_PCR1 0xc4
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+#define RT305X_ESW_REG_FPA2 0xc8
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+#define RT305X_ESW_REG_FCT2 0xcc
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+#define RT305X_ESW_REG_SGC2 0xe4
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+#define RT305X_ESW_REG_P0LED 0xa4
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+#define RT305X_ESW_REG_P1LED 0xa8
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+#define RT305X_ESW_REG_P2LED 0xac
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+#define RT305X_ESW_REG_P3LED 0xb0
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+#define RT305X_ESW_REG_P4LED 0xb4
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+#define RT305X_ESW_REG_PXPC(_x) (0xe8 + (4 * _x))
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+#define RT305X_ESW_REG_P1PC 0xec
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+#define RT305X_ESW_REG_P2PC 0xf0
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+#define RT305X_ESW_REG_P3PC 0xf4
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+#define RT305X_ESW_REG_P4PC 0xf8
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+#define RT305X_ESW_REG_P5PC 0xfc
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+
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+#define RT305X_ESW_LED_LINK 0
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+#define RT305X_ESW_LED_100M 1
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+#define RT305X_ESW_LED_DUPLEX 2
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+#define RT305X_ESW_LED_ACTIVITY 3
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+#define RT305X_ESW_LED_COLLISION 4
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+#define RT305X_ESW_LED_LINKACT 5
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+#define RT305X_ESW_LED_DUPLCOLL 6
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+#define RT305X_ESW_LED_10MACT 7
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+#define RT305X_ESW_LED_100MACT 8
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+/* Additional led states not in datasheet: */
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+#define RT305X_ESW_LED_BLINK 10
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+#define RT305X_ESW_LED_ON 12
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+
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+#define RT305X_ESW_LINK_S 25
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+#define RT305X_ESW_DUPLEX_S 9
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+#define RT305X_ESW_SPD_S 0
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+
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+#define RT305X_ESW_PCR0_WT_NWAY_DATA_S 16
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+#define RT305X_ESW_PCR0_WT_PHY_CMD BIT(13)
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+#define RT305X_ESW_PCR0_CPU_PHY_REG_S 8
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+
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+#define RT305X_ESW_PCR1_WT_DONE BIT(0)
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+
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+#define RT305X_ESW_ATS_TIMEOUT (5 * HZ)
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+#define RT305X_ESW_PHY_TIMEOUT (5 * HZ)
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+
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+#define RT305X_ESW_PVIDC_PVID_M 0xfff
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+#define RT305X_ESW_PVIDC_PVID_S 12
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+
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+#define RT305X_ESW_VLANI_VID_M 0xfff
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+#define RT305X_ESW_VLANI_VID_S 12
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+
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+#define RT305X_ESW_VMSC_MSC_M 0xff
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+#define RT305X_ESW_VMSC_MSC_S 8
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+
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+#define RT305X_ESW_SOCPC_DISUN2CPU_S 0
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+#define RT305X_ESW_SOCPC_DISMC2CPU_S 8
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+#define RT305X_ESW_SOCPC_DISBC2CPU_S 16
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+#define RT305X_ESW_SOCPC_CRC_PADDING BIT(25)
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+
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+#define RT305X_ESW_POC0_EN_BP_S 0
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+#define RT305X_ESW_POC0_EN_FC_S 8
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+#define RT305X_ESW_POC0_DIS_RMC2CPU_S 16
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+#define RT305X_ESW_POC0_DIS_PORT_M 0x7f
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+#define RT305X_ESW_POC0_DIS_PORT_S 23
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+
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+#define RT305X_ESW_POC2_UNTAG_EN_M 0xff
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+#define RT305X_ESW_POC2_UNTAG_EN_S 0
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+#define RT305X_ESW_POC2_ENAGING_S 8
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+#define RT305X_ESW_POC2_DIS_UC_PAUSE_S 16
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+
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+#define RT305X_ESW_SGC2_DOUBLE_TAG_M 0x7f
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+#define RT305X_ESW_SGC2_DOUBLE_TAG_S 0
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+#define RT305X_ESW_SGC2_LAN_PMAP_M 0x3f
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+#define RT305X_ESW_SGC2_LAN_PMAP_S 24
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+
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+#define RT305X_ESW_PFC1_EN_VLAN_M 0xff
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+#define RT305X_ESW_PFC1_EN_VLAN_S 16
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+#define RT305X_ESW_PFC1_EN_TOS_S 24
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+
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+#define RT305X_ESW_VLAN_NONE 0xfff
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+
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+#define RT305X_ESW_GSC_BC_STROM_MASK 0x3
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+#define RT305X_ESW_GSC_BC_STROM_SHIFT 4
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+
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+#define RT305X_ESW_GSC_LED_FREQ_MASK 0x3
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+#define RT305X_ESW_GSC_LED_FREQ_SHIFT 23
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+
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+#define RT305X_ESW_POA_LINK_MASK 0x1f
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+#define RT305X_ESW_POA_LINK_SHIFT 25
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+
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+#define RT305X_ESW_PORT_ST_CHG BIT(26)
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+#define RT305X_ESW_PORT0 0
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+#define RT305X_ESW_PORT1 1
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+#define RT305X_ESW_PORT2 2
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+#define RT305X_ESW_PORT3 3
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+#define RT305X_ESW_PORT4 4
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+#define RT305X_ESW_PORT5 5
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+#define RT305X_ESW_PORT6 6
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+
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+#define RT305X_ESW_PORTS_NONE 0
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+
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+#define RT305X_ESW_PMAP_LLLLLL 0x3f
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+#define RT305X_ESW_PMAP_LLLLWL 0x2f
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+#define RT305X_ESW_PMAP_WLLLLL 0x3e
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+
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+#define RT305X_ESW_PORTS_INTERNAL \
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+ (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) | \
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+ BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) | \
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+ BIT(RT305X_ESW_PORT4))
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+
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+#define RT305X_ESW_PORTS_NOCPU \
|
|
+ (RT305X_ESW_PORTS_INTERNAL | BIT(RT305X_ESW_PORT5))
|
|
+
|
|
+#define RT305X_ESW_PORTS_CPU BIT(RT305X_ESW_PORT6)
|
|
+
|
|
+#define RT305X_ESW_PORTS_ALL \
|
|
+ (RT305X_ESW_PORTS_NOCPU | RT305X_ESW_PORTS_CPU)
|
|
+
|
|
+#define RT305X_ESW_NUM_VLANS 16
|
|
+#define RT305X_ESW_NUM_VIDS 4096
|
|
+#define RT305X_ESW_NUM_PORTS 7
|
|
+#define RT305X_ESW_NUM_LANWAN 6
|
|
+#define RT305X_ESW_NUM_LEDS 5
|
|
+
|
|
+#define RT5350_ESW_REG_PXTPC(_x) (0x150 + (4 * _x))
|
|
+#define RT5350_EWS_REG_LED_POLARITY 0x168
|
|
+#define RT5350_RESET_EPHY BIT(24)
|
|
+#define SYSC_REG_RESET_CTRL 0x34
|
|
+
|
|
+enum {
|
|
+ /* Global attributes. */
|
|
+ RT305X_ESW_ATTR_ENABLE_VLAN,
|
|
+ RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
|
|
+ RT305X_ESW_ATTR_BC_STATUS,
|
|
+ RT305X_ESW_ATTR_LED_FREQ,
|
|
+ /* Port attributes. */
|
|
+ RT305X_ESW_ATTR_PORT_DISABLE,
|
|
+ RT305X_ESW_ATTR_PORT_DOUBLETAG,
|
|
+ RT305X_ESW_ATTR_PORT_UNTAG,
|
|
+ RT305X_ESW_ATTR_PORT_LED,
|
|
+ RT305X_ESW_ATTR_PORT_LAN,
|
|
+ RT305X_ESW_ATTR_PORT_RECV_BAD,
|
|
+ RT305X_ESW_ATTR_PORT_RECV_GOOD,
|
|
+ RT5350_ESW_ATTR_PORT_TR_BAD,
|
|
+ RT5350_ESW_ATTR_PORT_TR_GOOD,
|
|
+};
|
|
+
|
|
+struct esw_port {
|
|
+ bool disable;
|
|
+ bool doubletag;
|
|
+ bool untag;
|
|
+ u8 led;
|
|
+ u16 pvid;
|
|
+};
|
|
+
|
|
+struct esw_vlan {
|
|
+ u8 ports;
|
|
+ u16 vid;
|
|
+};
|
|
+
|
|
+struct rt305x_esw {
|
|
+ struct device *dev;
|
|
+ void __iomem *base;
|
|
+ int irq;
|
|
+ const struct rt305x_esw_platform_data *pdata;
|
|
+ /* Protects against concurrent register rmw operations. */
|
|
+ spinlock_t reg_rw_lock;
|
|
+
|
|
+ unsigned char port_map;
|
|
+ unsigned int reg_initval_fct2;
|
|
+ unsigned int reg_initval_fpa2;
|
|
+ unsigned int reg_led_polarity;
|
|
+
|
|
+
|
|
+ struct switch_dev swdev;
|
|
+ bool global_vlan_enable;
|
|
+ bool alt_vlan_disable;
|
|
+ int bc_storm_protect;
|
|
+ int led_frequency;
|
|
+ struct esw_vlan vlans[RT305X_ESW_NUM_VLANS];
|
|
+ struct esw_port ports[RT305X_ESW_NUM_PORTS];
|
|
+
|
|
+};
|
|
+
|
|
+static inline void esw_w32(struct rt305x_esw *esw, u32 val, unsigned reg)
|
|
+{
|
|
+ __raw_writel(val, esw->base + reg);
|
|
+}
|
|
+
|
|
+static inline u32 esw_r32(struct rt305x_esw *esw, unsigned reg)
|
|
+{
|
|
+ return __raw_readl(esw->base + reg);
|
|
+}
|
|
+
|
|
+static inline void esw_rmw_raw(struct rt305x_esw *esw, unsigned reg, unsigned long mask,
|
|
+ unsigned long val)
|
|
+{
|
|
+ unsigned long t;
|
|
+
|
|
+ t = __raw_readl(esw->base + reg) & ~mask;
|
|
+ __raw_writel(t | val, esw->base + reg);
|
|
+}
|
|
+
|
|
+static void esw_rmw(struct rt305x_esw *esw, unsigned reg, unsigned long mask,
|
|
+ unsigned long val)
|
|
+{
|
|
+ unsigned long flags;
|
|
+
|
|
+ spin_lock_irqsave(&esw->reg_rw_lock, flags);
|
|
+ esw_rmw_raw(esw, reg, mask, val);
|
|
+ spin_unlock_irqrestore(&esw->reg_rw_lock, flags);
|
|
+}
|
|
+
|
|
+static u32 rt305x_mii_write(struct rt305x_esw *esw, u32 phy_addr, u32 phy_register,
|
|
+ u32 write_data)
|
|
+{
|
|
+ unsigned long t_start = jiffies;
|
|
+ int ret = 0;
|
|
+
|
|
+ while (1) {
|
|
+ if (!(esw_r32(esw, RT305X_ESW_REG_PCR1) &
|
|
+ RT305X_ESW_PCR1_WT_DONE))
|
|
+ break;
|
|
+ if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
|
|
+ ret = 1;
|
|
+ goto out;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ write_data &= 0xffff;
|
|
+ esw_w32(esw,
|
|
+ (write_data << RT305X_ESW_PCR0_WT_NWAY_DATA_S) |
|
|
+ (phy_register << RT305X_ESW_PCR0_CPU_PHY_REG_S) |
|
|
+ (phy_addr) | RT305X_ESW_PCR0_WT_PHY_CMD,
|
|
+ RT305X_ESW_REG_PCR0);
|
|
+
|
|
+ t_start = jiffies;
|
|
+ while (1) {
|
|
+ if (esw_r32(esw, RT305X_ESW_REG_PCR1) &
|
|
+ RT305X_ESW_PCR1_WT_DONE)
|
|
+ break;
|
|
+
|
|
+ if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
|
|
+ ret = 1;
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+out:
|
|
+ if (ret)
|
|
+ printk(KERN_ERR "ramips_eth: MDIO timeout\n");
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static unsigned esw_get_vlan_id(struct rt305x_esw *esw, unsigned vlan)
|
|
+{
|
|
+ unsigned s;
|
|
+ unsigned val;
|
|
+
|
|
+ s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
|
|
+ val = esw_r32(esw, RT305X_ESW_REG_VLANI(vlan / 2));
|
|
+ val = (val >> s) & RT305X_ESW_VLANI_VID_M;
|
|
+
|
|
+ return val;
|
|
+}
|
|
+
|
|
+static void esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid)
|
|
+{
|
|
+ unsigned s;
|
|
+
|
|
+ s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
|
|
+ esw_rmw(esw,
|
|
+ RT305X_ESW_REG_VLANI(vlan / 2),
|
|
+ RT305X_ESW_VLANI_VID_M << s,
|
|
+ (vid & RT305X_ESW_VLANI_VID_M) << s);
|
|
+}
|
|
+
|
|
+static unsigned esw_get_pvid(struct rt305x_esw *esw, unsigned port)
|
|
+{
|
|
+ unsigned s, val;
|
|
+
|
|
+ s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
|
|
+ val = esw_r32(esw, RT305X_ESW_REG_PVIDC(port / 2));
|
|
+ return (val >> s) & RT305X_ESW_PVIDC_PVID_M;
|
|
+}
|
|
+
|
|
+static void esw_set_pvid(struct rt305x_esw *esw, unsigned port, unsigned pvid)
|
|
+{
|
|
+ unsigned s;
|
|
+
|
|
+ s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
|
|
+ esw_rmw(esw,
|
|
+ RT305X_ESW_REG_PVIDC(port / 2),
|
|
+ RT305X_ESW_PVIDC_PVID_M << s,
|
|
+ (pvid & RT305X_ESW_PVIDC_PVID_M) << s);
|
|
+}
|
|
+
|
|
+static unsigned esw_get_vmsc(struct rt305x_esw *esw, unsigned vlan)
|
|
+{
|
|
+ unsigned s, val;
|
|
+
|
|
+ s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
|
|
+ val = esw_r32(esw, RT305X_ESW_REG_VMSC(vlan / 4));
|
|
+ val = (val >> s) & RT305X_ESW_VMSC_MSC_M;
|
|
+
|
|
+ return val;
|
|
+}
|
|
+
|
|
+static void esw_set_vmsc(struct rt305x_esw *esw, unsigned vlan, unsigned msc)
|
|
+{
|
|
+ unsigned s;
|
|
+
|
|
+ s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
|
|
+ esw_rmw(esw,
|
|
+ RT305X_ESW_REG_VMSC(vlan / 4),
|
|
+ RT305X_ESW_VMSC_MSC_M << s,
|
|
+ (msc & RT305X_ESW_VMSC_MSC_M) << s);
|
|
+}
|
|
+
|
|
+static unsigned esw_get_port_disable(struct rt305x_esw *esw)
|
|
+{
|
|
+ unsigned reg;
|
|
+ reg = esw_r32(esw, RT305X_ESW_REG_POC0);
|
|
+ return (reg >> RT305X_ESW_POC0_DIS_PORT_S) &
|
|
+ RT305X_ESW_POC0_DIS_PORT_M;
|
|
+}
|
|
+
|
|
+static void esw_set_port_disable(struct rt305x_esw *esw, unsigned disable_mask)
|
|
+{
|
|
+ unsigned old_mask;
|
|
+ unsigned enable_mask;
|
|
+ unsigned changed;
|
|
+ int i;
|
|
+
|
|
+ old_mask = esw_get_port_disable(esw);
|
|
+ changed = old_mask ^ disable_mask;
|
|
+ enable_mask = old_mask & disable_mask;
|
|
+
|
|
+ /* enable before writing to MII */
|
|
+ esw_rmw(esw, RT305X_ESW_REG_POC0,
|
|
+ (RT305X_ESW_POC0_DIS_PORT_M <<
|
|
+ RT305X_ESW_POC0_DIS_PORT_S),
|
|
+ enable_mask << RT305X_ESW_POC0_DIS_PORT_S);
|
|
+
|
|
+ for (i = 0; i < RT305X_ESW_NUM_LEDS; i++) {
|
|
+ if (!(changed & (1 << i)))
|
|
+ continue;
|
|
+ if (disable_mask & (1 << i)) {
|
|
+ /* disable */
|
|
+ rt305x_mii_write(esw, i, MII_BMCR,
|
|
+ BMCR_PDOWN);
|
|
+ } else {
|
|
+ /* enable */
|
|
+ rt305x_mii_write(esw, i, MII_BMCR,
|
|
+ BMCR_FULLDPLX |
|
|
+ BMCR_ANENABLE |
|
|
+ BMCR_ANRESTART |
|
|
+ BMCR_SPEED100);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /* disable after writing to MII */
|
|
+ esw_rmw(esw, RT305X_ESW_REG_POC0,
|
|
+ (RT305X_ESW_POC0_DIS_PORT_M <<
|
|
+ RT305X_ESW_POC0_DIS_PORT_S),
|
|
+ disable_mask << RT305X_ESW_POC0_DIS_PORT_S);
|
|
+}
|
|
+
|
|
+static void esw_set_gsc(struct rt305x_esw *esw)
|
|
+{
|
|
+ esw_rmw(esw, RT305X_ESW_REG_SGC,
|
|
+ RT305X_ESW_GSC_BC_STROM_MASK << RT305X_ESW_GSC_BC_STROM_SHIFT,
|
|
+ esw->bc_storm_protect << RT305X_ESW_GSC_BC_STROM_SHIFT);
|
|
+ esw_rmw(esw, RT305X_ESW_REG_SGC,
|
|
+ RT305X_ESW_GSC_LED_FREQ_MASK << RT305X_ESW_GSC_LED_FREQ_SHIFT,
|
|
+ esw->led_frequency << RT305X_ESW_GSC_LED_FREQ_SHIFT);
|
|
+}
|
|
+
|
|
+static int esw_apply_config(struct switch_dev *dev);
|
|
+
|
|
+static void esw_hw_init(struct rt305x_esw *esw)
|
|
+{
|
|
+ int i;
|
|
+ u8 port_disable = 0;
|
|
+ u8 port_map = RT305X_ESW_PMAP_LLLLLL;
|
|
+
|
|
+ /* vodoo from original driver */
|
|
+ esw_w32(esw, 0xC8A07850, RT305X_ESW_REG_FCT0);
|
|
+ esw_w32(esw, 0x00000000, RT305X_ESW_REG_SGC2);
|
|
+ /* Port priority 1 for all ports, vlan enabled. */
|
|
+ esw_w32(esw, 0x00005555 |
|
|
+ (RT305X_ESW_PORTS_ALL << RT305X_ESW_PFC1_EN_VLAN_S),
|
|
+ RT305X_ESW_REG_PFC1);
|
|
+
|
|
+ /* Enable Back Pressure, and Flow Control */
|
|
+ esw_w32(esw,
|
|
+ ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_BP_S) |
|
|
+ (RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_FC_S)),
|
|
+ RT305X_ESW_REG_POC0);
|
|
+
|
|
+ /* Enable Aging, and VLAN TAG removal */
|
|
+ esw_w32(esw,
|
|
+ ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC2_ENAGING_S) |
|
|
+ (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC2_UNTAG_EN_S)),
|
|
+ RT305X_ESW_REG_POC2);
|
|
+
|
|
+ if (esw->reg_initval_fct2)
|
|
+ esw_w32(esw, esw->reg_initval_fct2, RT305X_ESW_REG_FCT2);
|
|
+ else
|
|
+ esw_w32(esw, esw->pdata->reg_initval_fct2, RT305X_ESW_REG_FCT2);
|
|
+
|
|
+ /*
|
|
+ * 300s aging timer, max packet len 1536, broadcast storm prevention
|
|
+ * disabled, disable collision abort, mac xor48 hash, 10 packet back
|
|
+ * pressure jam, GMII disable was_transmit, back pressure disabled,
|
|
+ * 30ms led flash, unmatched IGMP as broadcast, rmc tb fault to all
|
|
+ * ports.
|
|
+ */
|
|
+ esw_w32(esw, 0x0008a301, RT305X_ESW_REG_SGC);
|
|
+
|
|
+ /* Setup SoC Port control register */
|
|
+ esw_w32(esw,
|
|
+ (RT305X_ESW_SOCPC_CRC_PADDING |
|
|
+ (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISUN2CPU_S) |
|
|
+ (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISMC2CPU_S) |
|
|
+ (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISBC2CPU_S)),
|
|
+ RT305X_ESW_REG_SOCPC);
|
|
+
|
|
+ if (esw->reg_initval_fpa2)
|
|
+ esw_w32(esw, esw->reg_initval_fpa2, RT305X_ESW_REG_FPA2);
|
|
+ else
|
|
+ esw_w32(esw, esw->pdata->reg_initval_fpa2, RT305X_ESW_REG_FPA2);
|
|
+ esw_w32(esw, 0x00000000, RT305X_ESW_REG_FPA);
|
|
+
|
|
+ /* Force Link/Activity on ports */
|
|
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P0LED);
|
|
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P1LED);
|
|
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P2LED);
|
|
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P3LED);
|
|
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P4LED);
|
|
+
|
|
+ /* Copy disabled port configuration from bootloader setup */
|
|
+ port_disable = esw_get_port_disable(esw);
|
|
+ for (i = 0; i < 6; i++)
|
|
+ esw->ports[i].disable = (port_disable & (1 << i)) != 0;
|
|
+
|
|
+ if (soc_is_rt3352()) {
|
|
+ /* reset EPHY */
|
|
+ u32 val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
|
|
+ rt_sysc_w32(val | RT5350_RESET_EPHY, SYSC_REG_RESET_CTRL);
|
|
+ rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
|
|
+
|
|
+ rt305x_mii_write(esw, 0, 31, 0x8000);
|
|
+ for (i = 0; i < 5; i++) {
|
|
+ if (esw->ports[i].disable) {
|
|
+ rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
|
|
+ } else {
|
|
+ rt305x_mii_write(esw, i, MII_BMCR,
|
|
+ BMCR_FULLDPLX |
|
|
+ BMCR_ANENABLE |
|
|
+ BMCR_SPEED100);
|
|
+ }
|
|
+ /* TX10 waveform coefficient LSB=0 disable PHY */
|
|
+ rt305x_mii_write(esw, i, 26, 0x1601);
|
|
+ /* TX100/TX10 AD/DA current bias */
|
|
+ rt305x_mii_write(esw, i, 29, 0x7016);
|
|
+ /* TX100 slew rate control */
|
|
+ rt305x_mii_write(esw, i, 30, 0x0038);
|
|
+ }
|
|
+
|
|
+ /* select global register */
|
|
+ rt305x_mii_write(esw, 0, 31, 0x0);
|
|
+ /* enlarge agcsel threshold 3 and threshold 2 */
|
|
+ rt305x_mii_write(esw, 0, 1, 0x4a40);
|
|
+ /* enlarge agcsel threshold 5 and threshold 4 */
|
|
+ rt305x_mii_write(esw, 0, 2, 0x6254);
|
|
+ /* enlarge agcsel threshold */
|
|
+ rt305x_mii_write(esw, 0, 3, 0xa17f);
|
|
+ rt305x_mii_write(esw, 0,12, 0x7eaa);
|
|
+ /* longer TP_IDL tail length */
|
|
+ rt305x_mii_write(esw, 0, 14, 0x65);
|
|
+ /* increased squelch pulse count threshold. */
|
|
+ rt305x_mii_write(esw, 0, 16, 0x0684);
|
|
+ /* set TX10 signal amplitude threshold to minimum */
|
|
+ rt305x_mii_write(esw, 0, 17, 0x0fe0);
|
|
+ /* set squelch amplitude to higher threshold */
|
|
+ rt305x_mii_write(esw, 0, 18, 0x40ba);
|
|
+ /* tune TP_IDL tail and head waveform, enable power down slew rate control */
|
|
+ rt305x_mii_write(esw, 0, 22, 0x253f);
|
|
+ /* set PLL/Receive bias current are calibrated */
|
|
+ rt305x_mii_write(esw, 0, 27, 0x2fda);
|
|
+ /* change PLL/Receive bias current to internal(RT3350) */
|
|
+ rt305x_mii_write(esw, 0, 28, 0xc410);
|
|
+ /* change PLL bias current to internal(RT3052_MP3) */
|
|
+ rt305x_mii_write(esw, 0, 29, 0x598b);
|
|
+ /* select local register */
|
|
+ rt305x_mii_write(esw, 0, 31, 0x8000);
|
|
+ } else if (soc_is_rt5350()) {
|
|
+ /* reset EPHY */
|
|
+ u32 val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
|
|
+ rt_sysc_w32(val | RT5350_RESET_EPHY, SYSC_REG_RESET_CTRL);
|
|
+ rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
|
|
+
|
|
+ /* set the led polarity */
|
|
+ esw_w32(esw, esw->reg_led_polarity & 0x1F, RT5350_EWS_REG_LED_POLARITY);
|
|
+
|
|
+ /* local registers */
|
|
+ rt305x_mii_write(esw, 0, 31, 0x8000);
|
|
+ for (i = 0; i < 5; i++) {
|
|
+ if (esw->ports[i].disable) {
|
|
+ rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
|
|
+ } else {
|
|
+ rt305x_mii_write(esw, i, MII_BMCR,
|
|
+ BMCR_FULLDPLX |
|
|
+ BMCR_ANENABLE |
|
|
+ BMCR_SPEED100);
|
|
+ }
|
|
+ /* TX10 waveform coefficient LSB=0 disable PHY */
|
|
+ rt305x_mii_write(esw, i, 26, 0x1601);
|
|
+ /* TX100/TX10 AD/DA current bias */
|
|
+ rt305x_mii_write(esw, i, 29, 0x7015);
|
|
+ /* TX100 slew rate control */
|
|
+ rt305x_mii_write(esw, i, 30, 0x0038);
|
|
+ }
|
|
+
|
|
+ /* global registers */
|
|
+ rt305x_mii_write(esw, 0, 31, 0x0);
|
|
+ /* enlarge agcsel threshold 3 and threshold 2 */
|
|
+ rt305x_mii_write(esw, 0, 1, 0x4a40);
|
|
+ /* enlarge agcsel threshold 5 and threshold 4 */
|
|
+ rt305x_mii_write(esw, 0, 2, 0x6254);
|
|
+ /* enlarge agcsel threshold 6 */
|
|
+ rt305x_mii_write(esw, 0, 3, 0xa17f);
|
|
+ rt305x_mii_write(esw, 0, 12, 0x7eaa);
|
|
+ /* longer TP_IDL tail length */
|
|
+ rt305x_mii_write(esw, 0, 14, 0x65);
|
|
+ /* increased squelch pulse count threshold. */
|
|
+ rt305x_mii_write(esw, 0, 16, 0x0684);
|
|
+ /* set TX10 signal amplitude threshold to minimum */
|
|
+ rt305x_mii_write(esw, 0, 17, 0x0fe0);
|
|
+ /* set squelch amplitude to higher threshold */
|
|
+ rt305x_mii_write(esw, 0, 18, 0x40ba);
|
|
+ /* tune TP_IDL tail and head waveform, enable power down slew rate control */
|
|
+ rt305x_mii_write(esw, 0, 22, 0x253f);
|
|
+ /* set PLL/Receive bias current are calibrated */
|
|
+ rt305x_mii_write(esw, 0, 27, 0x2fda);
|
|
+ /* change PLL/Receive bias current to internal(RT3350) */
|
|
+ rt305x_mii_write(esw, 0, 28, 0xc410);
|
|
+ /* change PLL bias current to internal(RT3052_MP3) */
|
|
+ rt305x_mii_write(esw, 0, 29, 0x598b);
|
|
+ /* select local register */
|
|
+ rt305x_mii_write(esw, 0, 31, 0x8000);
|
|
+ } else {
|
|
+ rt305x_mii_write(esw, 0, 31, 0x8000);
|
|
+ for (i = 0; i < 5; i++) {
|
|
+ if (esw->ports[i].disable) {
|
|
+ rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
|
|
+ } else {
|
|
+ rt305x_mii_write(esw, i, MII_BMCR,
|
|
+ BMCR_FULLDPLX |
|
|
+ BMCR_ANENABLE |
|
|
+ BMCR_SPEED100);
|
|
+ }
|
|
+ /* TX10 waveform coefficient */
|
|
+ rt305x_mii_write(esw, i, 26, 0x1601);
|
|
+ /* TX100/TX10 AD/DA current bias */
|
|
+ rt305x_mii_write(esw, i, 29, 0x7058);
|
|
+ /* TX100 slew rate control */
|
|
+ rt305x_mii_write(esw, i, 30, 0x0018);
|
|
+ }
|
|
+
|
|
+ /* PHY IOT */
|
|
+ /* select global register */
|
|
+ rt305x_mii_write(esw, 0, 31, 0x0);
|
|
+ /* tune TP_IDL tail and head waveform */
|
|
+ rt305x_mii_write(esw, 0, 22, 0x052f);
|
|
+ /* set TX10 signal amplitude threshold to minimum */
|
|
+ rt305x_mii_write(esw, 0, 17, 0x0fe0);
|
|
+ /* set squelch amplitude to higher threshold */
|
|
+ rt305x_mii_write(esw, 0, 18, 0x40ba);
|
|
+ /* longer TP_IDL tail length */
|
|
+ rt305x_mii_write(esw, 0, 14, 0x65);
|
|
+ /* select local register */
|
|
+ rt305x_mii_write(esw, 0, 31, 0x8000);
|
|
+ }
|
|
+
|
|
+ if (esw->port_map)
|
|
+ port_map = esw->port_map;
|
|
+ else
|
|
+ port_map = RT305X_ESW_PMAP_LLLLLL;
|
|
+
|
|
+ /*
|
|
+ * Unused HW feature, but still nice to be consistent here...
|
|
+ * This is also exported to userspace ('lan' attribute) so it's
|
|
+ * conveniently usable to decide which ports go into the wan vlan by
|
|
+ * default.
|
|
+ */
|
|
+ esw_rmw(esw, RT305X_ESW_REG_SGC2,
|
|
+ RT305X_ESW_SGC2_LAN_PMAP_M << RT305X_ESW_SGC2_LAN_PMAP_S,
|
|
+ port_map << RT305X_ESW_SGC2_LAN_PMAP_S);
|
|
+
|
|
+ /* make the switch leds blink */
|
|
+ for (i = 0; i < RT305X_ESW_NUM_LEDS; i++)
|
|
+ esw->ports[i].led = 0x05;
|
|
+
|
|
+ /* Apply the empty config. */
|
|
+ esw_apply_config(&esw->swdev);
|
|
+
|
|
+ /* Only unmask the port change interrupt */
|
|
+ esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
|
|
+}
|
|
+
|
|
+static irqreturn_t esw_interrupt(int irq, void *_esw)
|
|
+{
|
|
+ struct rt305x_esw *esw = (struct rt305x_esw *) _esw;
|
|
+ u32 status;
|
|
+
|
|
+ status = esw_r32(esw, RT305X_ESW_REG_ISR);
|
|
+ if (status & RT305X_ESW_PORT_ST_CHG) {
|
|
+ u32 link = esw_r32(esw, RT305X_ESW_REG_POA);
|
|
+ link >>= RT305X_ESW_POA_LINK_SHIFT;
|
|
+ link &= RT305X_ESW_POA_LINK_MASK;
|
|
+ dev_info(esw->dev, "link changed 0x%02X\n", link);
|
|
+ }
|
|
+ esw_w32(esw, status, RT305X_ESW_REG_ISR);
|
|
+
|
|
+ return IRQ_HANDLED;
|
|
+}
|
|
+
|
|
+static int esw_apply_config(struct switch_dev *dev)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+ int i;
|
|
+ u8 disable = 0;
|
|
+ u8 doubletag = 0;
|
|
+ u8 en_vlan = 0;
|
|
+ u8 untag = 0;
|
|
+
|
|
+ for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
|
|
+ u32 vid, vmsc;
|
|
+ if (esw->global_vlan_enable) {
|
|
+ vid = esw->vlans[i].vid;
|
|
+ vmsc = esw->vlans[i].ports;
|
|
+ } else {
|
|
+ vid = RT305X_ESW_VLAN_NONE;
|
|
+ vmsc = RT305X_ESW_PORTS_NONE;
|
|
+ }
|
|
+ esw_set_vlan_id(esw, i, vid);
|
|
+ esw_set_vmsc(esw, i, vmsc);
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
|
|
+ u32 pvid;
|
|
+ disable |= esw->ports[i].disable << i;
|
|
+ if (esw->global_vlan_enable) {
|
|
+ doubletag |= esw->ports[i].doubletag << i;
|
|
+ en_vlan |= 1 << i;
|
|
+ untag |= esw->ports[i].untag << i;
|
|
+ pvid = esw->ports[i].pvid;
|
|
+ } else {
|
|
+ int x = esw->alt_vlan_disable ? 0 : 1;
|
|
+ doubletag |= x << i;
|
|
+ en_vlan |= x << i;
|
|
+ untag |= x << i;
|
|
+ pvid = 0;
|
|
+ }
|
|
+ esw_set_pvid(esw, i, pvid);
|
|
+ if (i < RT305X_ESW_NUM_LEDS)
|
|
+ esw_w32(esw, esw->ports[i].led,
|
|
+ RT305X_ESW_REG_P0LED + 4*i);
|
|
+ }
|
|
+
|
|
+ esw_set_gsc(esw);
|
|
+ esw_set_port_disable(esw, disable);
|
|
+ esw_rmw(esw, RT305X_ESW_REG_SGC2,
|
|
+ (RT305X_ESW_SGC2_DOUBLE_TAG_M <<
|
|
+ RT305X_ESW_SGC2_DOUBLE_TAG_S),
|
|
+ doubletag << RT305X_ESW_SGC2_DOUBLE_TAG_S);
|
|
+ esw_rmw(esw, RT305X_ESW_REG_PFC1,
|
|
+ RT305X_ESW_PFC1_EN_VLAN_M << RT305X_ESW_PFC1_EN_VLAN_S,
|
|
+ en_vlan << RT305X_ESW_PFC1_EN_VLAN_S);
|
|
+ esw_rmw(esw, RT305X_ESW_REG_POC2,
|
|
+ RT305X_ESW_POC2_UNTAG_EN_M << RT305X_ESW_POC2_UNTAG_EN_S,
|
|
+ untag << RT305X_ESW_POC2_UNTAG_EN_S);
|
|
+
|
|
+ if (!esw->global_vlan_enable) {
|
|
+ /*
|
|
+ * Still need to put all ports into vlan 0 or they'll be
|
|
+ * isolated.
|
|
+ * NOTE: vlan 0 is special, no vlan tag is prepended
|
|
+ */
|
|
+ esw_set_vlan_id(esw, 0, 0);
|
|
+ esw_set_vmsc(esw, 0, RT305X_ESW_PORTS_ALL);
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_reset_switch(struct switch_dev *dev)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+
|
|
+ esw->global_vlan_enable = 0;
|
|
+ memset(esw->ports, 0, sizeof(esw->ports));
|
|
+ memset(esw->vlans, 0, sizeof(esw->vlans));
|
|
+ esw_hw_init(esw);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_get_vlan_enable(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+
|
|
+ val->value.i = esw->global_vlan_enable;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_set_vlan_enable(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+
|
|
+ esw->global_vlan_enable = val->value.i != 0;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_get_alt_vlan_disable(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+
|
|
+ val->value.i = esw->alt_vlan_disable;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_set_alt_vlan_disable(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+
|
|
+ esw->alt_vlan_disable = val->value.i != 0;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+rt305x_esw_set_bc_status(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+
|
|
+ esw->bc_storm_protect = val->value.i & RT305X_ESW_GSC_BC_STROM_MASK;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+rt305x_esw_get_bc_status(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+
|
|
+ val->value.i = esw->bc_storm_protect;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+rt305x_esw_set_led_freq(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+
|
|
+ esw->led_frequency = val->value.i & RT305X_ESW_GSC_LED_FREQ_MASK;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+rt305x_esw_get_led_freq(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+
|
|
+ val->value.i = esw->led_frequency;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_get_port_link(struct switch_dev *dev,
|
|
+ int port,
|
|
+ struct switch_port_link *link)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+ u32 speed, poa;
|
|
+
|
|
+ if (port < 0 || port >= RT305X_ESW_NUM_PORTS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ poa = esw_r32(esw, RT305X_ESW_REG_POA) >> port;
|
|
+
|
|
+ link->link = (poa >> RT305X_ESW_LINK_S) & 1;
|
|
+ link->duplex = (poa >> RT305X_ESW_DUPLEX_S) & 1;
|
|
+ if (port < RT305X_ESW_NUM_LEDS) {
|
|
+ speed = (poa >> RT305X_ESW_SPD_S) & 1;
|
|
+ } else {
|
|
+ if (port == RT305X_ESW_NUM_PORTS - 1)
|
|
+ poa >>= 1;
|
|
+ speed = (poa >> RT305X_ESW_SPD_S) & 3;
|
|
+ }
|
|
+ switch (speed) {
|
|
+ case 0:
|
|
+ link->speed = SWITCH_PORT_SPEED_10;
|
|
+ break;
|
|
+ case 1:
|
|
+ link->speed = SWITCH_PORT_SPEED_100;
|
|
+ break;
|
|
+ case 2:
|
|
+ case 3: /* forced gige speed can be 2 or 3 */
|
|
+ link->speed = SWITCH_PORT_SPEED_1000;
|
|
+ break;
|
|
+ default:
|
|
+ link->speed = SWITCH_PORT_SPEED_UNKNOWN;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_get_port_bool(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+ int idx = val->port_vlan;
|
|
+ u32 x, reg, shift;
|
|
+
|
|
+ if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ switch (attr->id) {
|
|
+ case RT305X_ESW_ATTR_PORT_DISABLE:
|
|
+ reg = RT305X_ESW_REG_POC0;
|
|
+ shift = RT305X_ESW_POC0_DIS_PORT_S;
|
|
+ break;
|
|
+ case RT305X_ESW_ATTR_PORT_DOUBLETAG:
|
|
+ reg = RT305X_ESW_REG_SGC2;
|
|
+ shift = RT305X_ESW_SGC2_DOUBLE_TAG_S;
|
|
+ break;
|
|
+ case RT305X_ESW_ATTR_PORT_UNTAG:
|
|
+ reg = RT305X_ESW_REG_POC2;
|
|
+ shift = RT305X_ESW_POC2_UNTAG_EN_S;
|
|
+ break;
|
|
+ case RT305X_ESW_ATTR_PORT_LAN:
|
|
+ reg = RT305X_ESW_REG_SGC2;
|
|
+ shift = RT305X_ESW_SGC2_LAN_PMAP_S;
|
|
+ if (idx >= RT305X_ESW_NUM_LANWAN)
|
|
+ return -EINVAL;
|
|
+ break;
|
|
+ default:
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ x = esw_r32(esw, reg);
|
|
+ val->value.i = (x >> (idx + shift)) & 1;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_set_port_bool(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+ int idx = val->port_vlan;
|
|
+
|
|
+ if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
|
|
+ val->value.i < 0 || val->value.i > 1)
|
|
+ return -EINVAL;
|
|
+
|
|
+ switch (attr->id) {
|
|
+ case RT305X_ESW_ATTR_PORT_DISABLE:
|
|
+ esw->ports[idx].disable = val->value.i;
|
|
+ break;
|
|
+ case RT305X_ESW_ATTR_PORT_DOUBLETAG:
|
|
+ esw->ports[idx].doubletag = val->value.i;
|
|
+ break;
|
|
+ case RT305X_ESW_ATTR_PORT_UNTAG:
|
|
+ esw->ports[idx].untag = val->value.i;
|
|
+ break;
|
|
+ default:
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_get_port_recv_badgood(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+ int idx = val->port_vlan;
|
|
+ int shift = attr->id == RT305X_ESW_ATTR_PORT_RECV_GOOD ? 0 : 16;
|
|
+ u32 reg;
|
|
+
|
|
+ if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
|
|
+ return -EINVAL;
|
|
+ reg = esw_r32(esw, RT305X_ESW_REG_PXPC(idx));
|
|
+ val->value.i = (reg >> shift) & 0xffff;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+esw_get_port_tr_badgood(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+
|
|
+ int idx = val->port_vlan;
|
|
+ int shift = attr->id == RT5350_ESW_ATTR_PORT_TR_GOOD ? 0 : 16;
|
|
+ u32 reg;
|
|
+
|
|
+ if (!soc_is_rt5350())
|
|
+ return -EINVAL;
|
|
+
|
|
+ if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
|
|
+ return -EINVAL;
|
|
+
|
|
+ reg = esw_r32(esw, RT5350_ESW_REG_PXTPC(idx));
|
|
+ val->value.i = (reg >> shift) & 0xffff;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_get_port_led(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+ int idx = val->port_vlan;
|
|
+
|
|
+ if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
|
|
+ idx >= RT305X_ESW_NUM_LEDS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ val->value.i = esw_r32(esw, RT305X_ESW_REG_P0LED + 4*idx);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_set_port_led(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+ int idx = val->port_vlan;
|
|
+
|
|
+ if (idx < 0 || idx >= RT305X_ESW_NUM_LEDS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ esw->ports[idx].led = val->value.i;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_get_port_pvid(struct switch_dev *dev, int port, int *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+
|
|
+ if (port >= RT305X_ESW_NUM_PORTS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ *val = esw_get_pvid(esw, port);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_set_port_pvid(struct switch_dev *dev, int port, int val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+
|
|
+ if (port >= RT305X_ESW_NUM_PORTS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ esw->ports[port].pvid = val;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+ u32 vmsc, poc2;
|
|
+ int vlan_idx = -1;
|
|
+ int i;
|
|
+
|
|
+ val->len = 0;
|
|
+
|
|
+ if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ /* valid vlan? */
|
|
+ for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
|
|
+ if (esw_get_vlan_id(esw, i) == val->port_vlan &&
|
|
+ esw_get_vmsc(esw, i) != RT305X_ESW_PORTS_NONE) {
|
|
+ vlan_idx = i;
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (vlan_idx == -1)
|
|
+ return -EINVAL;
|
|
+
|
|
+ vmsc = esw_get_vmsc(esw, vlan_idx);
|
|
+ poc2 = esw_r32(esw, RT305X_ESW_REG_POC2);
|
|
+
|
|
+ for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
|
|
+ struct switch_port *p;
|
|
+ int port_mask = 1 << i;
|
|
+
|
|
+ if (!(vmsc & port_mask))
|
|
+ continue;
|
|
+
|
|
+ p = &val->value.ports[val->len++];
|
|
+ p->id = i;
|
|
+ if (poc2 & (port_mask << RT305X_ESW_POC2_UNTAG_EN_S))
|
|
+ p->flags = 0;
|
|
+ else
|
|
+ p->flags = 1 << SWITCH_PORT_FLAG_TAGGED;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int esw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
|
|
+{
|
|
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
|
|
+ int ports;
|
|
+ int vlan_idx = -1;
|
|
+ int i;
|
|
+
|
|
+ if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS ||
|
|
+ val->len > RT305X_ESW_NUM_PORTS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ /* one of the already defined vlans? */
|
|
+ for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
|
|
+ if (esw->vlans[i].vid == val->port_vlan &&
|
|
+ esw->vlans[i].ports != RT305X_ESW_PORTS_NONE) {
|
|
+ vlan_idx = i;
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /* select a free slot */
|
|
+ for (i = 0; vlan_idx == -1 && i < RT305X_ESW_NUM_VLANS; i++) {
|
|
+ if (esw->vlans[i].ports == RT305X_ESW_PORTS_NONE)
|
|
+ vlan_idx = i;
|
|
+ }
|
|
+
|
|
+ /* bail if all slots are in use */
|
|
+ if (vlan_idx == -1)
|
|
+ return -EINVAL;
|
|
+
|
|
+ ports = RT305X_ESW_PORTS_NONE;
|
|
+ for (i = 0; i < val->len; i++) {
|
|
+ struct switch_port *p = &val->value.ports[i];
|
|
+ int port_mask = 1 << p->id;
|
|
+ bool untagged = !(p->flags & (1 << SWITCH_PORT_FLAG_TAGGED));
|
|
+
|
|
+ if (p->id >= RT305X_ESW_NUM_PORTS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ ports |= port_mask;
|
|
+ esw->ports[p->id].untag = untagged;
|
|
+ }
|
|
+ esw->vlans[vlan_idx].ports = ports;
|
|
+ if (ports == RT305X_ESW_PORTS_NONE)
|
|
+ esw->vlans[vlan_idx].vid = RT305X_ESW_VLAN_NONE;
|
|
+ else
|
|
+ esw->vlans[vlan_idx].vid = val->port_vlan;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static const struct switch_attr esw_global[] = {
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "enable_vlan",
|
|
+ .description = "VLAN mode (1:enabled)",
|
|
+ .max = 1,
|
|
+ .id = RT305X_ESW_ATTR_ENABLE_VLAN,
|
|
+ .get = esw_get_vlan_enable,
|
|
+ .set = esw_set_vlan_enable,
|
|
+ },
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "alternate_vlan_disable",
|
|
+ .description = "Use en_vlan instead of doubletag to disable"
|
|
+ " VLAN mode",
|
|
+ .max = 1,
|
|
+ .id = RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
|
|
+ .get = esw_get_alt_vlan_disable,
|
|
+ .set = esw_set_alt_vlan_disable,
|
|
+ },
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "bc_storm_protect",
|
|
+ .description = "Global broadcast storm protection (0:Disable, 1:64 blocks, 2:96 blocks, 3:128 blocks)",
|
|
+ .max = 3,
|
|
+ .id = RT305X_ESW_ATTR_BC_STATUS,
|
|
+ .get = rt305x_esw_get_bc_status,
|
|
+ .set = rt305x_esw_set_bc_status,
|
|
+ },
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "led_frequency",
|
|
+ .description = "LED Flash frequency (0:30mS, 1:60mS, 2:240mS, 3:480mS)",
|
|
+ .max = 3,
|
|
+ .id = RT305X_ESW_ATTR_LED_FREQ,
|
|
+ .get = rt305x_esw_get_led_freq,
|
|
+ .set = rt305x_esw_set_led_freq,
|
|
+ }
|
|
+};
|
|
+
|
|
+static const struct switch_attr esw_port[] = {
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "disable",
|
|
+ .description = "Port state (1:disabled)",
|
|
+ .max = 1,
|
|
+ .id = RT305X_ESW_ATTR_PORT_DISABLE,
|
|
+ .get = esw_get_port_bool,
|
|
+ .set = esw_set_port_bool,
|
|
+ },
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "doubletag",
|
|
+ .description = "Double tagging for incoming vlan packets "
|
|
+ "(1:enabled)",
|
|
+ .max = 1,
|
|
+ .id = RT305X_ESW_ATTR_PORT_DOUBLETAG,
|
|
+ .get = esw_get_port_bool,
|
|
+ .set = esw_set_port_bool,
|
|
+ },
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "untag",
|
|
+ .description = "Untag (1:strip outgoing vlan tag)",
|
|
+ .max = 1,
|
|
+ .id = RT305X_ESW_ATTR_PORT_UNTAG,
|
|
+ .get = esw_get_port_bool,
|
|
+ .set = esw_set_port_bool,
|
|
+ },
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "led",
|
|
+ .description = "LED mode (0:link, 1:100m, 2:duplex, 3:activity,"
|
|
+ " 4:collision, 5:linkact, 6:duplcoll, 7:10mact,"
|
|
+ " 8:100mact, 10:blink, 11:off, 12:on)",
|
|
+ .max = 15,
|
|
+ .id = RT305X_ESW_ATTR_PORT_LED,
|
|
+ .get = esw_get_port_led,
|
|
+ .set = esw_set_port_led,
|
|
+ },
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "lan",
|
|
+ .description = "HW port group (0:wan, 1:lan)",
|
|
+ .max = 1,
|
|
+ .id = RT305X_ESW_ATTR_PORT_LAN,
|
|
+ .get = esw_get_port_bool,
|
|
+ },
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "recv_bad",
|
|
+ .description = "Receive bad packet counter",
|
|
+ .id = RT305X_ESW_ATTR_PORT_RECV_BAD,
|
|
+ .get = esw_get_port_recv_badgood,
|
|
+ },
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "recv_good",
|
|
+ .description = "Receive good packet counter",
|
|
+ .id = RT305X_ESW_ATTR_PORT_RECV_GOOD,
|
|
+ .get = esw_get_port_recv_badgood,
|
|
+ },
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "tr_bad",
|
|
+
|
|
+ .description = "Transmit bad packet counter. rt5350 only",
|
|
+ .id = RT5350_ESW_ATTR_PORT_TR_BAD,
|
|
+ .get = esw_get_port_tr_badgood,
|
|
+ },
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "tr_good",
|
|
+
|
|
+ .description = "Transmit good packet counter. rt5350 only",
|
|
+ .id = RT5350_ESW_ATTR_PORT_TR_GOOD,
|
|
+ .get = esw_get_port_tr_badgood,
|
|
+ },
|
|
+};
|
|
+
|
|
+static const struct switch_attr esw_vlan[] = {
|
|
+};
|
|
+
|
|
+static const struct switch_dev_ops esw_ops = {
|
|
+ .attr_global = {
|
|
+ .attr = esw_global,
|
|
+ .n_attr = ARRAY_SIZE(esw_global),
|
|
+ },
|
|
+ .attr_port = {
|
|
+ .attr = esw_port,
|
|
+ .n_attr = ARRAY_SIZE(esw_port),
|
|
+ },
|
|
+ .attr_vlan = {
|
|
+ .attr = esw_vlan,
|
|
+ .n_attr = ARRAY_SIZE(esw_vlan),
|
|
+ },
|
|
+ .get_vlan_ports = esw_get_vlan_ports,
|
|
+ .set_vlan_ports = esw_set_vlan_ports,
|
|
+ .get_port_pvid = esw_get_port_pvid,
|
|
+ .set_port_pvid = esw_set_port_pvid,
|
|
+ .get_port_link = esw_get_port_link,
|
|
+ .apply_config = esw_apply_config,
|
|
+ .reset_switch = esw_reset_switch,
|
|
+};
|
|
+
|
|
+static struct rt305x_esw_platform_data rt3050_esw_data = {
|
|
+ /* All ports are LAN ports. */
|
|
+ .vlan_config = RT305X_ESW_VLAN_CONFIG_NONE,
|
|
+ .reg_initval_fct2 = 0x00d6500c,
|
|
+ /*
|
|
+ * ext phy base addr 31, enable port 5 polling, rx/tx clock skew 1,
|
|
+ * turbo mii off, rgmi 3.3v off
|
|
+ * port5: disabled
|
|
+ * port6: enabled, gige, full-duplex, rx/tx-flow-control
|
|
+ */
|
|
+ .reg_initval_fpa2 = 0x3f502b28,
|
|
+};
|
|
+
|
|
+static const struct of_device_id ralink_esw_match[] = {
|
|
+ { .compatible = "ralink,rt3050-esw", .data = &rt3050_esw_data },
|
|
+ {},
|
|
+};
|
|
+MODULE_DEVICE_TABLE(of, ralink_esw_match);
|
|
+
|
|
+static int esw_probe(struct platform_device *pdev)
|
|
+{
|
|
+ struct device_node *np = pdev->dev.of_node;
|
|
+ const struct rt305x_esw_platform_data *pdata;
|
|
+ const __be32 *port_map, *reg_init;
|
|
+ struct rt305x_esw *esw;
|
|
+ struct switch_dev *swdev;
|
|
+ struct resource *res, *irq;
|
|
+ int err;
|
|
+
|
|
+ pdata = pdev->dev.platform_data;
|
|
+ if (!pdata) {
|
|
+ const struct of_device_id *match;
|
|
+ match = of_match_device(ralink_esw_match, &pdev->dev);
|
|
+ if (match)
|
|
+ pdata = (struct rt305x_esw_platform_data *) match->data;
|
|
+ }
|
|
+ if (!pdata)
|
|
+ return -EINVAL;
|
|
+
|
|
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
+ if (!res) {
|
|
+ dev_err(&pdev->dev, "no memory resource found\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
|
|
+ if (!irq) {
|
|
+ dev_err(&pdev->dev, "no irq resource found\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ esw = kzalloc(sizeof(struct rt305x_esw), GFP_KERNEL);
|
|
+ if (!esw) {
|
|
+ dev_err(&pdev->dev, "no memory for private data\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ esw->dev = &pdev->dev;
|
|
+ esw->irq = irq->start;
|
|
+ esw->base = ioremap(res->start, resource_size(res));
|
|
+ if (!esw->base) {
|
|
+ dev_err(&pdev->dev, "ioremap failed\n");
|
|
+ err = -ENOMEM;
|
|
+ goto free_esw;
|
|
+ }
|
|
+
|
|
+ port_map = of_get_property(np, "ralink,portmap", NULL);
|
|
+ if (port_map)
|
|
+ esw->port_map = be32_to_cpu(*port_map);
|
|
+
|
|
+ reg_init = of_get_property(np, "ralink,fct2", NULL);
|
|
+ if (reg_init)
|
|
+ esw->reg_initval_fct2 = be32_to_cpu(*reg_init);
|
|
+
|
|
+ reg_init = of_get_property(np, "ralink,fpa2", NULL);
|
|
+ if (reg_init)
|
|
+ esw->reg_initval_fpa2 = be32_to_cpu(*reg_init);
|
|
+
|
|
+ reg_init = of_get_property(np, "ralink,led_polarity", NULL);
|
|
+ if (reg_init)
|
|
+ esw->reg_led_polarity = be32_to_cpu(*reg_init);
|
|
+
|
|
+ swdev = &esw->swdev;
|
|
+ swdev->of_node = pdev->dev.of_node;
|
|
+ swdev->name = "rt305x-esw";
|
|
+ swdev->alias = "rt305x";
|
|
+ swdev->cpu_port = RT305X_ESW_PORT6;
|
|
+ swdev->ports = RT305X_ESW_NUM_PORTS;
|
|
+ swdev->vlans = RT305X_ESW_NUM_VIDS;
|
|
+ swdev->ops = &esw_ops;
|
|
+
|
|
+ err = register_switch(swdev, NULL);
|
|
+ if (err < 0) {
|
|
+ dev_err(&pdev->dev, "register_switch failed\n");
|
|
+ goto unmap_base;
|
|
+ }
|
|
+
|
|
+ platform_set_drvdata(pdev, esw);
|
|
+
|
|
+ esw->pdata = pdata;
|
|
+ spin_lock_init(&esw->reg_rw_lock);
|
|
+
|
|
+ esw_hw_init(esw);
|
|
+
|
|
+ esw_w32(esw, RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_ISR);
|
|
+ esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
|
|
+ request_irq(esw->irq, esw_interrupt, 0, "esw", esw);
|
|
+
|
|
+ return 0;
|
|
+
|
|
+unmap_base:
|
|
+ iounmap(esw->base);
|
|
+free_esw:
|
|
+ kfree(esw);
|
|
+ return err;
|
|
+}
|
|
+
|
|
+static int esw_remove(struct platform_device *pdev)
|
|
+{
|
|
+ struct rt305x_esw *esw;
|
|
+
|
|
+ esw = platform_get_drvdata(pdev);
|
|
+ if (esw) {
|
|
+ unregister_switch(&esw->swdev);
|
|
+ platform_set_drvdata(pdev, NULL);
|
|
+ iounmap(esw->base);
|
|
+ kfree(esw);
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct platform_driver esw_driver = {
|
|
+ .probe = esw_probe,
|
|
+ .remove = esw_remove,
|
|
+ .driver = {
|
|
+ .name = "rt305x-esw",
|
|
+ .owner = THIS_MODULE,
|
|
+ .of_match_table = ralink_esw_match,
|
|
+ },
|
|
+};
|
|
+
|
|
+int __init rtesw_init(void)
|
|
+{
|
|
+ return platform_driver_register(&esw_driver);
|
|
+}
|
|
+
|
|
+void rtesw_exit(void)
|
|
+{
|
|
+ platform_driver_unregister(&esw_driver);
|
|
+}
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/esw_rt3052.h
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/esw_rt3052.h 2013-10-08 17:26:47.068172664 +0200
|
|
@@ -0,0 +1,32 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#ifndef _RALINK_ESW_RT3052_H__
|
|
+#define _RALINK_ESW_RT3052_H__
|
|
+
|
|
+#ifdef CONFIG_NET_RALINK_ESW_RT3052
|
|
+
|
|
+int __init rtesw_init(void);
|
|
+void rtesw_exit(void);
|
|
+
|
|
+#else
|
|
+
|
|
+static inline int __init rtesw_init(void) { return 0; }
|
|
+static inline void rtesw_exit(void) { }
|
|
+
|
|
+#endif
|
|
+#endif
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/gsw_mt7620a.c
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/gsw_mt7620a.c 2013-10-08 17:26:47.068172664 +0200
|
|
@@ -0,0 +1,566 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#include <linux/module.h>
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/types.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/skbuff.h>
|
|
+#include <linux/etherdevice.h>
|
|
+#include <linux/ethtool.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/of_device.h>
|
|
+#include <linux/clk.h>
|
|
+#include <linux/of_net.h>
|
|
+#include <linux/of_mdio.h>
|
|
+#include <linux/of_irq.h>
|
|
+#include <linux/of_address.h>
|
|
+#include <linux/switch.h>
|
|
+
|
|
+#include <asm/mach-ralink/ralink_regs.h>
|
|
+
|
|
+#include "ralink_soc_eth.h"
|
|
+
|
|
+#include <linux/ioport.h>
|
|
+#include <linux/switch.h>
|
|
+#include <linux/mii.h>
|
|
+
|
|
+#include <ralink_regs.h>
|
|
+#include <asm/mach-ralink/mt7620.h>
|
|
+
|
|
+#include "ralink_soc_eth.h"
|
|
+#include "gsw_mt7620a.h"
|
|
+#include "mt7530.h"
|
|
+#include "mdio.h"
|
|
+
|
|
+#define GSW_REG_PHY_TIMEOUT (5 * HZ)
|
|
+
|
|
+#define MT7620A_GSW_REG_PIAC 0x7004
|
|
+
|
|
+#define GSW_NUM_VLANS 16
|
|
+#define GSW_NUM_VIDS 4096
|
|
+#define GSW_NUM_PORTS 7
|
|
+#define GSW_PORT6 6
|
|
+
|
|
+#define GSW_MDIO_ACCESS BIT(31)
|
|
+#define GSW_MDIO_READ BIT(19)
|
|
+#define GSW_MDIO_WRITE BIT(18)
|
|
+#define GSW_MDIO_START BIT(16)
|
|
+#define GSW_MDIO_ADDR_SHIFT 20
|
|
+#define GSW_MDIO_REG_SHIFT 25
|
|
+
|
|
+#define GSW_REG_PORT_PMCR(x) (0x3000 + (x * 0x100))
|
|
+#define GSW_REG_PORT_STATUS(x) (0x3008 + (x * 0x100))
|
|
+#define GSW_REG_SMACCR0 0x3fE4
|
|
+#define GSW_REG_SMACCR1 0x3fE8
|
|
+#define GSW_REG_CKGCR 0x3ff0
|
|
+
|
|
+#define GSW_REG_IMR 0x7008
|
|
+#define GSW_REG_ISR 0x700c
|
|
+
|
|
+#define SYSC_REG_CFG1 0x14
|
|
+
|
|
+#define PORT_IRQ_ST_CHG 0x7f
|
|
+
|
|
+#define SYSCFG1 0x14
|
|
+
|
|
+#define ESW_PHY_POLLING 0x7000
|
|
+
|
|
+#define PMCR_IPG BIT(18)
|
|
+#define PMCR_MAC_MODE BIT(16)
|
|
+#define PMCR_FORCE BIT(15)
|
|
+#define PMCR_TX_EN BIT(14)
|
|
+#define PMCR_RX_EN BIT(13)
|
|
+#define PMCR_BACKOFF BIT(9)
|
|
+#define PMCR_BACKPRES BIT(8)
|
|
+#define PMCR_RX_FC BIT(5)
|
|
+#define PMCR_TX_FC BIT(4)
|
|
+#define PMCR_SPEED(_x) (_x << 2)
|
|
+#define PMCR_DUPLEX BIT(1)
|
|
+#define PMCR_LINK BIT(0)
|
|
+
|
|
+#define PHY_AN_EN BIT(31)
|
|
+#define PHY_PRE_EN BIT(30)
|
|
+#define PMY_MDC_CONF(_x) ((_x & 0x3f) << 24)
|
|
+
|
|
+enum {
|
|
+ /* Global attributes. */
|
|
+ GSW_ATTR_ENABLE_VLAN,
|
|
+ /* Port attributes. */
|
|
+ GSW_ATTR_PORT_UNTAG,
|
|
+};
|
|
+
|
|
+enum {
|
|
+ PORT4_EPHY = 0,
|
|
+ PORT4_EXT,
|
|
+};
|
|
+
|
|
+struct mt7620_gsw {
|
|
+ struct device *dev;
|
|
+ void __iomem *base;
|
|
+ int irq;
|
|
+ int port4;
|
|
+ long unsigned int autopoll;
|
|
+};
|
|
+
|
|
+static inline void gsw_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
|
|
+{
|
|
+ iowrite32(val, gsw->base + reg);
|
|
+}
|
|
+
|
|
+static inline u32 gsw_r32(struct mt7620_gsw *gsw, unsigned reg)
|
|
+{
|
|
+ return ioread32(gsw->base + reg);
|
|
+}
|
|
+
|
|
+static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw)
|
|
+{
|
|
+ unsigned long t_start = jiffies;
|
|
+
|
|
+ while (1) {
|
|
+ if (!(gsw_r32(gsw, MT7620A_GSW_REG_PIAC) & GSW_MDIO_ACCESS))
|
|
+ return 0;
|
|
+ if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT)) {
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ printk(KERN_ERR "mdio: MDIO timeout\n");
|
|
+ return -1;
|
|
+}
|
|
+
|
|
+static u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr, u32 phy_register,
|
|
+ u32 write_data)
|
|
+{
|
|
+ if (mt7620_mii_busy_wait(gsw))
|
|
+ return -1;
|
|
+
|
|
+ write_data &= 0xffff;
|
|
+
|
|
+ gsw_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_WRITE |
|
|
+ (phy_register << GSW_MDIO_REG_SHIFT) |
|
|
+ (phy_addr << GSW_MDIO_ADDR_SHIFT) | write_data,
|
|
+ MT7620A_GSW_REG_PIAC);
|
|
+
|
|
+ if (mt7620_mii_busy_wait(gsw))
|
|
+ return -1;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg)
|
|
+{
|
|
+ u32 d;
|
|
+
|
|
+ if (mt7620_mii_busy_wait(gsw))
|
|
+ return 0xffff;
|
|
+
|
|
+ gsw_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_READ |
|
|
+ (phy_reg << GSW_MDIO_REG_SHIFT) |
|
|
+ (phy_addr << GSW_MDIO_ADDR_SHIFT),
|
|
+ MT7620A_GSW_REG_PIAC);
|
|
+
|
|
+ if (mt7620_mii_busy_wait(gsw))
|
|
+ return 0xffff;
|
|
+
|
|
+ d = gsw_r32(gsw, MT7620A_GSW_REG_PIAC) & 0xffff;
|
|
+
|
|
+ return d;
|
|
+}
|
|
+
|
|
+int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
|
|
+{
|
|
+ struct fe_priv *priv = bus->priv;
|
|
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
|
|
+
|
|
+ return _mt7620_mii_write(gsw, phy_addr, phy_reg, val);
|
|
+}
|
|
+
|
|
+int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
|
|
+{
|
|
+ struct fe_priv *priv = bus->priv;
|
|
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
|
|
+
|
|
+ return _mt7620_mii_read(gsw, phy_addr, phy_reg);
|
|
+}
|
|
+
|
|
+static unsigned char *fe_speed_str(int speed)
|
|
+{
|
|
+ switch (speed) {
|
|
+ case 2:
|
|
+ case SPEED_1000:
|
|
+ return "1000";
|
|
+ case 1:
|
|
+ case SPEED_100:
|
|
+ return "100";
|
|
+ case 0:
|
|
+ case SPEED_10:
|
|
+ return "10";
|
|
+ }
|
|
+
|
|
+ return "? ";
|
|
+}
|
|
+
|
|
+int mt7620a_has_carrier(struct fe_priv *priv)
|
|
+{
|
|
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
|
|
+ int i;
|
|
+
|
|
+ for (i = 0; i < GSW_PORT6; i++)
|
|
+ if (gsw_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1)
|
|
+ return 1;
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void mt7620a_handle_carrier(struct fe_priv *priv)
|
|
+{
|
|
+ if (!priv->phy)
|
|
+ return;
|
|
+
|
|
+ if (mt7620a_has_carrier(priv))
|
|
+ netif_carrier_on(priv->netdev);
|
|
+ else
|
|
+ netif_carrier_off(priv->netdev);
|
|
+}
|
|
+
|
|
+void mt7620_mdio_link_adjust(struct fe_priv *priv, int port)
|
|
+{
|
|
+ if (priv->link[port])
|
|
+ netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
|
|
+ port, fe_speed_str(priv->phy->speed[port]),
|
|
+ (DUPLEX_FULL == priv->phy->duplex[port]) ? "Full" : "Half");
|
|
+ else
|
|
+ netdev_info(priv->netdev, "port %d link down\n", port);
|
|
+ mt7620a_handle_carrier(priv);
|
|
+}
|
|
+
|
|
+static irqreturn_t gsw_interrupt(int irq, void *_priv)
|
|
+{
|
|
+ struct fe_priv *priv = (struct fe_priv *) _priv;
|
|
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
|
|
+ u32 status;
|
|
+ int i, max = (gsw->port4 == PORT4_EPHY) ? (4) : (3);
|
|
+
|
|
+ status = gsw_r32(gsw, GSW_REG_ISR);
|
|
+ if (status & PORT_IRQ_ST_CHG)
|
|
+ for (i = 0; i <= max; i++) {
|
|
+ u32 status = gsw_r32(gsw, GSW_REG_PORT_STATUS(i));
|
|
+ int link = status & 0x1;
|
|
+
|
|
+ if (link != priv->link[i]) {
|
|
+ if (link)
|
|
+ netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
|
|
+ i, fe_speed_str((status >> 2) & 3),
|
|
+ (status & 0x2) ? "Full" : "Half");
|
|
+ else
|
|
+ netdev_info(priv->netdev, "port %d link down\n", i);
|
|
+ }
|
|
+
|
|
+ priv->link[i] = link;
|
|
+ }
|
|
+ mt7620a_handle_carrier(priv);
|
|
+
|
|
+ gsw_w32(gsw, status, GSW_REG_ISR);
|
|
+
|
|
+ return IRQ_HANDLED;
|
|
+}
|
|
+
|
|
+static int mt7620_is_bga(void)
|
|
+{
|
|
+ u32 bga = rt_sysc_r32(0x0c);
|
|
+
|
|
+ return (bga >> 16) & 1;
|
|
+}
|
|
+
|
|
+static void gsw_auto_poll(struct mt7620_gsw *gsw)
|
|
+{
|
|
+ int phy;
|
|
+ int lsb = -1, msb = 0;
|
|
+
|
|
+ for_each_set_bit(phy, &gsw->autopoll, 32) {
|
|
+ if (lsb < 0)
|
|
+ lsb = phy;
|
|
+ msb = phy;
|
|
+ }
|
|
+
|
|
+ gsw_w32(gsw, PHY_AN_EN | PHY_PRE_EN | PMY_MDC_CONF(5) | (msb << 8) | lsb, ESW_PHY_POLLING);
|
|
+}
|
|
+
|
|
+void mt7620_port_init(struct fe_priv *priv, struct device_node *np)
|
|
+{
|
|
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
|
|
+ const __be32 *_id = of_get_property(np, "reg", NULL);
|
|
+ int phy_mode, size, id;
|
|
+ int shift = 12;
|
|
+ u32 val, mask = 0;
|
|
+ int min = (gsw->port4 == PORT4_EPHY) ? (5) : (4);
|
|
+
|
|
+ if (!_id || (be32_to_cpu(*_id) < min) || (be32_to_cpu(*_id) > 5)) {
|
|
+ if (_id)
|
|
+ pr_err("%s: invalid port id %d\n", np->name, be32_to_cpu(*_id));
|
|
+ else
|
|
+ pr_err("%s: invalid port id\n", np->name);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ id = be32_to_cpu(*_id);
|
|
+
|
|
+ if (id == 4)
|
|
+ shift = 14;
|
|
+
|
|
+ priv->phy->phy_fixed[id] = of_get_property(np, "ralink,fixed-link", &size);
|
|
+ if (priv->phy->phy_fixed[id] && (size != (4 * sizeof(*priv->phy->phy_fixed[id])))) {
|
|
+ pr_err("%s: invalid fixed link property\n", np->name);
|
|
+ priv->phy->phy_fixed[id] = NULL;
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ phy_mode = of_get_phy_mode(np);
|
|
+ switch (phy_mode) {
|
|
+ case PHY_INTERFACE_MODE_RGMII:
|
|
+ mask = 0;
|
|
+ break;
|
|
+ case PHY_INTERFACE_MODE_MII:
|
|
+ mask = 1;
|
|
+ break;
|
|
+ case PHY_INTERFACE_MODE_RMII:
|
|
+ mask = 2;
|
|
+ break;
|
|
+ default:
|
|
+ dev_err(priv->device, "port %d - invalid phy mode\n", id);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ priv->phy->phy_node[id] = of_parse_phandle(np, "phy-handle", 0);
|
|
+ if (!priv->phy->phy_node[id] && !priv->phy->phy_fixed[id])
|
|
+ return;
|
|
+
|
|
+ val = rt_sysc_r32(SYSCFG1);
|
|
+ val &= ~(3 << shift);
|
|
+ val |= mask << shift;
|
|
+ rt_sysc_w32(val, SYSCFG1);
|
|
+
|
|
+ if (priv->phy->phy_fixed[id]) {
|
|
+ const __be32 *link = priv->phy->phy_fixed[id];
|
|
+ int tx_fc, rx_fc;
|
|
+ u32 val = 0;
|
|
+
|
|
+ priv->phy->speed[id] = be32_to_cpup(link++);
|
|
+ tx_fc = be32_to_cpup(link++);
|
|
+ rx_fc = be32_to_cpup(link++);
|
|
+ priv->phy->duplex[id] = be32_to_cpup(link++);
|
|
+ priv->link[id] = 1;
|
|
+
|
|
+ switch (priv->phy->speed[id]) {
|
|
+ case SPEED_10:
|
|
+ val = 0;
|
|
+ break;
|
|
+ case SPEED_100:
|
|
+ val = 1;
|
|
+ break;
|
|
+ case SPEED_1000:
|
|
+ val = 2;
|
|
+ break;
|
|
+ default:
|
|
+ dev_err(priv->device, "invalid link speed: %d\n", priv->phy->speed[id]);
|
|
+ priv->phy->phy_fixed[id] = 0;
|
|
+ return;
|
|
+ }
|
|
+ val = PMCR_SPEED(val);
|
|
+ val |= PMCR_LINK | PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
|
|
+ PMCR_TX_EN | PMCR_FORCE | PMCR_MAC_MODE | PMCR_IPG;
|
|
+ if (tx_fc)
|
|
+ val |= PMCR_TX_FC;
|
|
+ if (rx_fc)
|
|
+ val |= PMCR_RX_FC;
|
|
+ if (priv->phy->duplex[id])
|
|
+ val |= PMCR_DUPLEX;
|
|
+ gsw_w32(gsw, val, GSW_REG_PORT_PMCR(id));
|
|
+ dev_info(priv->device, "using fixed link parameters\n");
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ if (priv->phy->phy_node[id] && priv->mii_bus->phy_map[id]) {
|
|
+ u32 val = PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
|
|
+ PMCR_TX_EN | PMCR_MAC_MODE | PMCR_IPG;
|
|
+
|
|
+ gsw_w32(gsw, val, GSW_REG_PORT_PMCR(id));
|
|
+ fe_connect_phy_node(priv, priv->phy->phy_node[id]);
|
|
+ gsw->autopoll |= BIT(id);
|
|
+ gsw_auto_poll(gsw);
|
|
+ return;
|
|
+ }
|
|
+}
|
|
+
|
|
+static void gsw_hw_init(struct mt7620_gsw *gsw)
|
|
+{
|
|
+ u32 is_BGA = mt7620_is_bga();
|
|
+
|
|
+ rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1);
|
|
+ gsw_w32(gsw, gsw_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR);
|
|
+
|
|
+ /*correct PHY setting L3.0 BGA*/
|
|
+ _mt7620_mii_write(gsw, 1, 31, 0x4000); //global, page 4
|
|
+
|
|
+ _mt7620_mii_write(gsw, 1, 17, 0x7444);
|
|
+ if (is_BGA)
|
|
+ _mt7620_mii_write(gsw, 1, 19, 0x0114);
|
|
+ else
|
|
+ _mt7620_mii_write(gsw, 1, 19, 0x0117);
|
|
+
|
|
+ _mt7620_mii_write(gsw, 1, 22, 0x10cf);
|
|
+ _mt7620_mii_write(gsw, 1, 25, 0x6212);
|
|
+ _mt7620_mii_write(gsw, 1, 26, 0x0777);
|
|
+ _mt7620_mii_write(gsw, 1, 29, 0x4000);
|
|
+ _mt7620_mii_write(gsw, 1, 28, 0xc077);
|
|
+ _mt7620_mii_write(gsw, 1, 24, 0x0000);
|
|
+
|
|
+ _mt7620_mii_write(gsw, 1, 31, 0x3000); //global, page 3
|
|
+ _mt7620_mii_write(gsw, 1, 17, 0x4838);
|
|
+
|
|
+ _mt7620_mii_write(gsw, 1, 31, 0x2000); //global, page 2
|
|
+ if (is_BGA) {
|
|
+ _mt7620_mii_write(gsw, 1, 21, 0x0515);
|
|
+ _mt7620_mii_write(gsw, 1, 22, 0x0053);
|
|
+ _mt7620_mii_write(gsw, 1, 23, 0x00bf);
|
|
+ _mt7620_mii_write(gsw, 1, 24, 0x0aaf);
|
|
+ _mt7620_mii_write(gsw, 1, 25, 0x0fad);
|
|
+ _mt7620_mii_write(gsw, 1, 26, 0x0fc1);
|
|
+ } else {
|
|
+ _mt7620_mii_write(gsw, 1, 21, 0x0517);
|
|
+ _mt7620_mii_write(gsw, 1, 22, 0x0fd2);
|
|
+ _mt7620_mii_write(gsw, 1, 23, 0x00bf);
|
|
+ _mt7620_mii_write(gsw, 1, 24, 0x0aab);
|
|
+ _mt7620_mii_write(gsw, 1, 25, 0x00ae);
|
|
+ _mt7620_mii_write(gsw, 1, 26, 0x0fff);
|
|
+ }
|
|
+ _mt7620_mii_write(gsw, 1, 31, 0x1000); //global, page 1
|
|
+ _mt7620_mii_write(gsw, 1, 17, 0xe7f8);
|
|
+
|
|
+ _mt7620_mii_write(gsw, 1, 31, 0x8000); //local, page 0
|
|
+ _mt7620_mii_write(gsw, 0, 30, 0xa000);
|
|
+ _mt7620_mii_write(gsw, 1, 30, 0xa000);
|
|
+ _mt7620_mii_write(gsw, 2, 30, 0xa000);
|
|
+ _mt7620_mii_write(gsw, 3, 30, 0xa000);
|
|
+
|
|
+ _mt7620_mii_write(gsw, 0, 4, 0x05e1);
|
|
+ _mt7620_mii_write(gsw, 1, 4, 0x05e1);
|
|
+ _mt7620_mii_write(gsw, 2, 4, 0x05e1);
|
|
+ _mt7620_mii_write(gsw, 3, 4, 0x05e1);
|
|
+ _mt7620_mii_write(gsw, 1, 31, 0xa000); //local, page 2
|
|
+ _mt7620_mii_write(gsw, 0, 16, 0x1111);
|
|
+ _mt7620_mii_write(gsw, 1, 16, 0x1010);
|
|
+ _mt7620_mii_write(gsw, 2, 16, 0x1515);
|
|
+ _mt7620_mii_write(gsw, 3, 16, 0x0f0f);
|
|
+
|
|
+ /* CPU Port6 Force Link 1G, FC ON */
|
|
+ gsw_w32(gsw, 0x5e33b, GSW_REG_PORT_PMCR(6));
|
|
+ /* Set Port6 CPU Port */
|
|
+ gsw_w32(gsw, 0x7f7f7fe0, 0x0010);
|
|
+
|
|
+ /* setup port 4 */
|
|
+ if (gsw->port4 == PORT4_EPHY) {
|
|
+ u32 val = rt_sysc_r32(SYSCFG1);
|
|
+ val |= 3 << 14;
|
|
+ rt_sysc_w32(val, SYSCFG1);
|
|
+ _mt7620_mii_write(gsw, 4, 30, 0xa000);
|
|
+ _mt7620_mii_write(gsw, 4, 4, 0x05e1);
|
|
+ _mt7620_mii_write(gsw, 4, 16, 0x1313);
|
|
+ pr_info("gsw: setting port4 to ephy mode\n");
|
|
+ }
|
|
+}
|
|
+
|
|
+void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac)
|
|
+{
|
|
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
|
|
+ unsigned long flags;
|
|
+
|
|
+ spin_lock_irqsave(&priv->page_lock, flags);
|
|
+ gsw_w32(gsw, (mac[0] << 8) | mac[1], GSW_REG_SMACCR1);
|
|
+ gsw_w32(gsw, (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
|
|
+ GSW_REG_SMACCR0);
|
|
+ spin_unlock_irqrestore(&priv->page_lock, flags);
|
|
+}
|
|
+
|
|
+static struct of_device_id gsw_match[] = {
|
|
+ { .compatible = "ralink,mt7620a-gsw" },
|
|
+ {}
|
|
+};
|
|
+
|
|
+int mt7620_gsw_config(struct fe_priv *priv)
|
|
+{
|
|
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
|
|
+
|
|
+ /* is the mt7530 internal or external */
|
|
+ if ((_mt7620_mii_read(gsw, 0x1f, 2) == 1) && (_mt7620_mii_read(gsw, 0x1f, 3) == 0xbeef))
|
|
+ mt7530_probe(priv->device, NULL, priv->mii_bus);
|
|
+ else
|
|
+ mt7530_probe(priv->device, gsw->base, NULL);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+int mt7620_gsw_probe(struct fe_priv *priv)
|
|
+{
|
|
+ struct mt7620_gsw *gsw;
|
|
+ struct device_node *np;
|
|
+ const char *port4 = NULL;
|
|
+
|
|
+ np = of_find_matching_node(NULL, gsw_match);
|
|
+ if (!np) {
|
|
+ dev_err(priv->device, "no gsw node found\n");
|
|
+ return -EINVAL;
|
|
+ }
|
|
+ np = of_node_get(np);
|
|
+
|
|
+ gsw = devm_kzalloc(priv->device, sizeof(struct mt7620_gsw), GFP_KERNEL);
|
|
+ if (!gsw) {
|
|
+ dev_err(priv->device, "no gsw memory for private data\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ gsw->irq = irq_of_parse_and_map(np, 0);
|
|
+ if (!gsw->irq) {
|
|
+ dev_err(priv->device, "no gsw irq resource found\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ gsw->base = of_iomap(np, 0);
|
|
+ if (!gsw->base) {
|
|
+ dev_err(priv->device, "gsw ioremap failed\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ gsw->dev = priv->device;
|
|
+ priv->soc->swpriv = gsw;
|
|
+
|
|
+ of_property_read_string(np, "ralink,port4", &port4);
|
|
+ if (port4 && !strcmp(port4, "ephy"))
|
|
+ gsw->port4 = PORT4_EPHY;
|
|
+ else if (port4 && !strcmp(port4, "gmac"))
|
|
+ gsw->port4 = PORT4_EXT;
|
|
+ else
|
|
+ WARN_ON(port4);
|
|
+
|
|
+ gsw_hw_init(gsw);
|
|
+
|
|
+ gsw_w32(gsw, ~PORT_IRQ_ST_CHG, GSW_REG_IMR);
|
|
+ request_irq(gsw->irq, gsw_interrupt, 0, "gsw", priv);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/gsw_mt7620a.h
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/gsw_mt7620a.h 2013-10-08 17:26:47.068172664 +0200
|
|
@@ -0,0 +1,30 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#ifndef _RALINK_GSW_MT7620_H__
|
|
+#define _RALINK_GSW_MT7620_H__
|
|
+
|
|
+extern int mt7620_gsw_config(struct fe_priv *priv);
|
|
+extern int mt7620_gsw_probe(struct fe_priv *priv);
|
|
+extern void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac);
|
|
+extern int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
|
|
+extern int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
|
|
+extern void mt7620_mdio_link_adjust(struct fe_priv *priv, int port);
|
|
+extern void mt7620_port_init(struct fe_priv *priv, struct device_node *np);
|
|
+extern int mt7620a_has_carrier(struct fe_priv *priv);
|
|
+
|
|
+#endif
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/mdio.c
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/mdio.c 2013-10-08 17:26:47.068172664 +0200
|
|
@@ -0,0 +1,244 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#include <linux/module.h>
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/types.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/skbuff.h>
|
|
+#include <linux/etherdevice.h>
|
|
+#include <linux/ethtool.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/phy.h>
|
|
+#include <linux/of_device.h>
|
|
+#include <linux/clk.h>
|
|
+#include <linux/of_net.h>
|
|
+#include <linux/of_mdio.h>
|
|
+
|
|
+#include "ralink_soc_eth.h"
|
|
+#include "mdio.h"
|
|
+
|
|
+static int fe_mdio_reset(struct mii_bus *bus)
|
|
+{
|
|
+ /* TODO */
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void fe_phy_link_adjust(struct net_device *dev)
|
|
+{
|
|
+ struct fe_priv *priv = netdev_priv(dev);
|
|
+ unsigned long flags;
|
|
+ int i;
|
|
+
|
|
+ spin_lock_irqsave(&priv->phy->lock, flags);
|
|
+ for (i = 0; i < 8; i++) {
|
|
+ if (priv->phy->phy_node[i]) {
|
|
+ struct phy_device *phydev = priv->phy->phy[i];
|
|
+ int status_change = 0;
|
|
+
|
|
+ if (phydev->link)
|
|
+ if (priv->phy->duplex[i] != phydev->duplex ||
|
|
+ priv->phy->speed[i] != phydev->speed)
|
|
+ status_change = 1;
|
|
+
|
|
+ if (phydev->link != priv->link[i])
|
|
+ status_change = 1;
|
|
+
|
|
+ switch (phydev->speed) {
|
|
+ case SPEED_1000:
|
|
+ case SPEED_100:
|
|
+ case SPEED_10:
|
|
+ priv->link[i] = phydev->link;
|
|
+ priv->phy->duplex[i] = phydev->duplex;
|
|
+ priv->phy->speed[i] = phydev->speed;
|
|
+
|
|
+ if (status_change && priv->soc->mdio_adjust_link)
|
|
+ priv->soc->mdio_adjust_link(priv, i);
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node)
|
|
+{
|
|
+ const __be32 *_port = NULL;
|
|
+ struct phy_device *phydev;
|
|
+ int phy_mode, port;
|
|
+
|
|
+ _port = of_get_property(phy_node, "reg", NULL);
|
|
+
|
|
+ if (!_port || (be32_to_cpu(*_port) >= 0x20)) {
|
|
+ pr_err("%s: invalid port id\n", phy_node->name);
|
|
+ return -EINVAL;
|
|
+ }
|
|
+ port = be32_to_cpu(*_port);
|
|
+ phy_mode = of_get_phy_mode(phy_node);
|
|
+ if (phy_mode < 0) {
|
|
+ dev_err(priv->device, "incorrect phy-mode %d\n", phy_mode);
|
|
+ priv->phy->phy_node[port] = NULL;
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ phydev = of_phy_connect(priv->netdev, phy_node, fe_phy_link_adjust,
|
|
+ 0, phy_mode);
|
|
+ if (IS_ERR(phydev)) {
|
|
+ dev_err(priv->device, "could not connect to PHY\n");
|
|
+ priv->phy->phy_node[port] = NULL;
|
|
+ return PTR_ERR(phydev);
|
|
+ }
|
|
+
|
|
+ phydev->supported &= PHY_GBIT_FEATURES;
|
|
+ phydev->advertising = phydev->supported;
|
|
+ phydev->no_auto_carrier_off = 1;
|
|
+
|
|
+ dev_info(priv->device,
|
|
+ "connected port %d to PHY at %s [uid=%08x, driver=%s]\n",
|
|
+ port, dev_name(&phydev->dev), phydev->phy_id,
|
|
+ phydev->drv->name);
|
|
+
|
|
+ priv->phy->phy[port] = phydev;
|
|
+ priv->link[port] = 0;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int fe_phy_connect(struct fe_priv *priv)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void fe_phy_disconnect(struct fe_priv *priv)
|
|
+{
|
|
+ unsigned long flags;
|
|
+ int i;
|
|
+
|
|
+ for (i = 0; i < 8; i++)
|
|
+ if (priv->phy->phy_fixed[i]) {
|
|
+ spin_lock_irqsave(&priv->phy->lock, flags);
|
|
+ priv->link[i] = 0;
|
|
+ if (priv->soc->mdio_adjust_link)
|
|
+ priv->soc->mdio_adjust_link(priv, i);
|
|
+ spin_unlock_irqrestore(&priv->phy->lock, flags);
|
|
+ } else if (priv->phy->phy[i]) {
|
|
+ phy_disconnect(priv->phy->phy[i]);
|
|
+ }
|
|
+}
|
|
+
|
|
+static void fe_phy_start(struct fe_priv *priv)
|
|
+{
|
|
+ unsigned long flags;
|
|
+ int i;
|
|
+
|
|
+ for (i = 0; i < 8; i++) {
|
|
+ if (priv->phy->phy_fixed[i]) {
|
|
+ spin_lock_irqsave(&priv->phy->lock, flags);
|
|
+ priv->link[i] = 1;
|
|
+ if (priv->soc->mdio_adjust_link)
|
|
+ priv->soc->mdio_adjust_link(priv, i);
|
|
+ spin_unlock_irqrestore(&priv->phy->lock, flags);
|
|
+ } else if (priv->phy->phy[i]) {
|
|
+ phy_start(priv->phy->phy[i]);
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+static void fe_phy_stop(struct fe_priv *priv)
|
|
+{
|
|
+ unsigned long flags;
|
|
+ int i;
|
|
+
|
|
+ for (i = 0; i < 8; i++)
|
|
+ if (priv->phy->phy_fixed[i]) {
|
|
+ spin_lock_irqsave(&priv->phy->lock, flags);
|
|
+ priv->link[i] = 0;
|
|
+ if (priv->soc->mdio_adjust_link)
|
|
+ priv->soc->mdio_adjust_link(priv, i);
|
|
+ spin_unlock_irqrestore(&priv->phy->lock, flags);
|
|
+ } else if (priv->phy->phy[i]) {
|
|
+ phy_stop(priv->phy->phy[i]);
|
|
+ }
|
|
+}
|
|
+
|
|
+static struct fe_phy phy_ralink = {
|
|
+ .connect = fe_phy_connect,
|
|
+ .disconnect = fe_phy_disconnect,
|
|
+ .start = fe_phy_start,
|
|
+ .stop = fe_phy_stop,
|
|
+};
|
|
+
|
|
+int fe_mdio_init(struct fe_priv *priv)
|
|
+{
|
|
+ struct device_node *mii_np;
|
|
+ int err;
|
|
+
|
|
+ if (!priv->soc->mdio_read || !priv->soc->mdio_write)
|
|
+ return 0;
|
|
+
|
|
+ spin_lock_init(&phy_ralink.lock);
|
|
+ priv->phy = &phy_ralink;
|
|
+
|
|
+ mii_np = of_get_child_by_name(priv->device->of_node, "mdio-bus");
|
|
+ if (!mii_np) {
|
|
+ dev_err(priv->device, "no %s child node found", "mdio-bus");
|
|
+ return -ENODEV;
|
|
+ }
|
|
+
|
|
+ if (!of_device_is_available(mii_np)) {
|
|
+ err = 0;
|
|
+ goto err_put_node;
|
|
+ }
|
|
+
|
|
+ priv->mii_bus = mdiobus_alloc();
|
|
+ if (priv->mii_bus == NULL) {
|
|
+ err = -ENOMEM;
|
|
+ goto err_put_node;
|
|
+ }
|
|
+
|
|
+ priv->mii_bus->name = "mdio";
|
|
+ priv->mii_bus->read = priv->soc->mdio_read;
|
|
+ priv->mii_bus->write = priv->soc->mdio_write;
|
|
+ priv->mii_bus->reset = fe_mdio_reset;
|
|
+ priv->mii_bus->irq = priv->mii_irq;
|
|
+ priv->mii_bus->priv = priv;
|
|
+ priv->mii_bus->parent = priv->device;
|
|
+
|
|
+ snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name);
|
|
+ err = of_mdiobus_register(priv->mii_bus, mii_np);
|
|
+ if (err)
|
|
+ goto err_free_bus;
|
|
+
|
|
+ return 0;
|
|
+
|
|
+err_free_bus:
|
|
+ kfree(priv->mii_bus);
|
|
+err_put_node:
|
|
+ of_node_put(mii_np);
|
|
+ priv->mii_bus = NULL;
|
|
+ return err;
|
|
+}
|
|
+
|
|
+void fe_mdio_cleanup(struct fe_priv *priv)
|
|
+{
|
|
+ if (!priv->mii_bus)
|
|
+ return;
|
|
+
|
|
+ mdiobus_unregister(priv->mii_bus);
|
|
+ of_node_put(priv->mii_bus->dev.of_node);
|
|
+ kfree(priv->mii_bus);
|
|
+}
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/mdio.h
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/mdio.h 2013-10-08 17:26:47.072172683 +0200
|
|
@@ -0,0 +1,29 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#ifndef _RALINK_MDIO_H__
|
|
+#define _RALINK_MDIO_H__
|
|
+
|
|
+#ifdef CONFIG_NET_RALINK_MDIO
|
|
+extern int fe_mdio_init(struct fe_priv *priv);
|
|
+extern void fe_mdio_cleanup(struct fe_priv *priv);
|
|
+extern int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node);
|
|
+#else
|
|
+static inline int fe_mdio_init(struct fe_priv *priv) { return 0; }
|
|
+static inline void fe_mdio_cleanup(struct fe_priv *priv) {}
|
|
+#endif
|
|
+#endif
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/mdio_rt2880.c
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/mdio_rt2880.c 2013-10-08 17:26:47.072172683 +0200
|
|
@@ -0,0 +1,232 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#include <linux/module.h>
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/types.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/skbuff.h>
|
|
+#include <linux/etherdevice.h>
|
|
+#include <linux/ethtool.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/phy.h>
|
|
+#include <linux/of_device.h>
|
|
+#include <linux/clk.h>
|
|
+#include <linux/of_net.h>
|
|
+#include <linux/of_mdio.h>
|
|
+
|
|
+#include "ralink_soc_eth.h"
|
|
+#include "mdio_rt2880.h"
|
|
+#include "mdio.h"
|
|
+
|
|
+#define FE_MDIO_RETRY 1000
|
|
+
|
|
+static unsigned char *rt2880_speed_str(struct fe_priv *priv)
|
|
+{
|
|
+ switch (priv->phy->speed[0]) {
|
|
+ case SPEED_1000:
|
|
+ return "1000";
|
|
+ case SPEED_100:
|
|
+ return "100";
|
|
+ case SPEED_10:
|
|
+ return "10";
|
|
+ }
|
|
+
|
|
+ return "?";
|
|
+}
|
|
+
|
|
+void rt2880_mdio_link_adjust(struct fe_priv *priv, int port)
|
|
+{
|
|
+ u32 mdio_cfg;
|
|
+
|
|
+ if (!priv->link[0]) {
|
|
+ netif_carrier_off(priv->netdev);
|
|
+ netdev_info(priv->netdev, "link down\n");
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ mdio_cfg = FE_MDIO_CFG_TX_CLK_SKEW_200 |
|
|
+ FE_MDIO_CFG_RX_CLK_SKEW_200 |
|
|
+ FE_MDIO_CFG_GP1_FRC_EN;
|
|
+
|
|
+ if (priv->phy->duplex[0] == DUPLEX_FULL)
|
|
+ mdio_cfg |= FE_MDIO_CFG_GP1_DUPLEX;
|
|
+
|
|
+ if (priv->phy->tx_fc[0])
|
|
+ mdio_cfg |= FE_MDIO_CFG_GP1_FC_TX;
|
|
+
|
|
+ if (priv->phy->rx_fc[0])
|
|
+ mdio_cfg |= FE_MDIO_CFG_GP1_FC_RX;
|
|
+
|
|
+ switch (priv->phy->speed[0]) {
|
|
+ case SPEED_10:
|
|
+ mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_10;
|
|
+ break;
|
|
+ case SPEED_100:
|
|
+ mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_100;
|
|
+ break;
|
|
+ case SPEED_1000:
|
|
+ mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_1000;
|
|
+ break;
|
|
+ default:
|
|
+ BUG();
|
|
+ }
|
|
+
|
|
+ fe_w32(mdio_cfg, FE_MDIO_CFG);
|
|
+
|
|
+ netif_carrier_on(priv->netdev);
|
|
+ netdev_info(priv->netdev, "link up (%sMbps/%s duplex)\n",
|
|
+ rt2880_speed_str(priv),
|
|
+ (DUPLEX_FULL == priv->phy->duplex[0]) ? "Full" : "Half");
|
|
+}
|
|
+
|
|
+static int rt2880_mdio_wait_ready(struct fe_priv *priv)
|
|
+{
|
|
+ int retries;
|
|
+
|
|
+ retries = FE_MDIO_RETRY;
|
|
+ while (1) {
|
|
+ u32 t;
|
|
+
|
|
+ t = fe_r32(FE_MDIO_ACCESS);
|
|
+ if ((t & (0x1 << 31)) == 0)
|
|
+ return 0;
|
|
+
|
|
+ if (retries-- == 0)
|
|
+ break;
|
|
+
|
|
+ udelay(1);
|
|
+ }
|
|
+
|
|
+ dev_err(priv->device, "MDIO operation timed out\n");
|
|
+ return -ETIMEDOUT;
|
|
+}
|
|
+
|
|
+int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
|
|
+{
|
|
+ struct fe_priv *priv = bus->priv;
|
|
+ int err;
|
|
+ u32 t;
|
|
+
|
|
+ err = rt2880_mdio_wait_ready(priv);
|
|
+ if (err)
|
|
+ return 0xffff;
|
|
+
|
|
+ t = (phy_addr << 24) | (phy_reg << 16);
|
|
+ fe_w32(t, FE_MDIO_ACCESS);
|
|
+ t |= (1 << 31);
|
|
+ fe_w32(t, FE_MDIO_ACCESS);
|
|
+
|
|
+ err = rt2880_mdio_wait_ready(priv);
|
|
+ if (err)
|
|
+ return 0xffff;
|
|
+
|
|
+ pr_info("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
|
|
+ phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
|
|
+
|
|
+ return fe_r32(FE_MDIO_ACCESS) & 0xffff;
|
|
+}
|
|
+
|
|
+int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
|
|
+{
|
|
+ struct fe_priv *priv = bus->priv;
|
|
+ int err;
|
|
+ u32 t;
|
|
+
|
|
+ pr_info("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
|
|
+ phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
|
|
+
|
|
+ err = rt2880_mdio_wait_ready(priv);
|
|
+ if (err)
|
|
+ return err;
|
|
+
|
|
+ t = (1 << 30) | (phy_addr << 24) | (phy_reg << 16) | val;
|
|
+ fe_w32(t, FE_MDIO_ACCESS);
|
|
+ t |= (1 << 31);
|
|
+ fe_w32(t, FE_MDIO_ACCESS);
|
|
+
|
|
+ return rt2880_mdio_wait_ready(priv);
|
|
+}
|
|
+
|
|
+void rt2880_port_init(struct fe_priv *priv, struct device_node *np)
|
|
+{
|
|
+ const __be32 *id = of_get_property(np, "reg", NULL);
|
|
+ const __be32 *link;
|
|
+ int size;
|
|
+ int phy_mode;
|
|
+
|
|
+ if (!id || (be32_to_cpu(*id) != 0)) {
|
|
+ pr_err("%s: invalid port id\n", np->name);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ priv->phy->phy_fixed[0] = of_get_property(np, "ralink,fixed-link", &size);
|
|
+ if (priv->phy->phy_fixed[0] && (size != (4 * sizeof(*priv->phy->phy_fixed[0])))) {
|
|
+ pr_err("%s: invalid fixed link property\n", np->name);
|
|
+ priv->phy->phy_fixed[0] = NULL;
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ phy_mode = of_get_phy_mode(np);
|
|
+ switch (phy_mode) {
|
|
+ case PHY_INTERFACE_MODE_RGMII:
|
|
+ break;
|
|
+ case PHY_INTERFACE_MODE_MII:
|
|
+ break;
|
|
+ case PHY_INTERFACE_MODE_RMII:
|
|
+ break;
|
|
+ default:
|
|
+ if (!priv->phy->phy_fixed[0])
|
|
+ dev_err(priv->device, "port %d - invalid phy mode\n", priv->phy->speed[0]);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ priv->phy->phy_node[0] = of_parse_phandle(np, "phy-handle", 0);
|
|
+ if (!priv->phy->phy_node[0] && !priv->phy->phy_fixed[0])
|
|
+ return;
|
|
+
|
|
+ if (priv->phy->phy_fixed[0]) {
|
|
+ link = priv->phy->phy_fixed[0];
|
|
+ priv->phy->speed[0] = be32_to_cpup(link++);
|
|
+ priv->phy->duplex[0] = be32_to_cpup(link++);
|
|
+ priv->phy->tx_fc[0] = be32_to_cpup(link++);
|
|
+ priv->phy->rx_fc[0] = be32_to_cpup(link++);
|
|
+
|
|
+ priv->link[0] = 1;
|
|
+ switch (priv->phy->speed[0]) {
|
|
+ case SPEED_10:
|
|
+ break;
|
|
+ case SPEED_100:
|
|
+ break;
|
|
+ case SPEED_1000:
|
|
+ break;
|
|
+ default:
|
|
+ dev_err(priv->device, "invalid link speed: %d\n", priv->phy->speed[0]);
|
|
+ priv->phy->phy_fixed[0] = 0;
|
|
+ return;
|
|
+ }
|
|
+ dev_info(priv->device, "using fixed link parameters\n");
|
|
+ rt2880_mdio_link_adjust(priv, 0);
|
|
+ return;
|
|
+ }
|
|
+ if (priv->phy->phy_node[0] && priv->mii_bus->phy_map[0]) {
|
|
+ fe_connect_phy_node(priv, priv->phy->phy_node[0]);
|
|
+ }
|
|
+
|
|
+ return;
|
|
+}
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/mdio_rt2880.h
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/mdio_rt2880.h 2013-10-08 17:26:47.072172683 +0200
|
|
@@ -0,0 +1,26 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#ifndef _RALINK_MDIO_RT2880_H__
|
|
+#define _RALINK_MDIO_RT2880_H__
|
|
+
|
|
+void rt2880_mdio_link_adjust(struct fe_priv *priv, int port);
|
|
+int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
|
|
+int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
|
|
+void rt2880_port_init(struct fe_priv *priv, struct device_node *np);
|
|
+
|
|
+#endif
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/ralink_soc_eth.c
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/ralink_soc_eth.c 2013-10-08 17:26:47.072172683 +0200
|
|
@@ -0,0 +1,738 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#include <linux/module.h>
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/types.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/skbuff.h>
|
|
+#include <linux/etherdevice.h>
|
|
+#include <linux/ethtool.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/of_device.h>
|
|
+#include <linux/clk.h>
|
|
+#include <linux/of_net.h>
|
|
+#include <linux/of_mdio.h>
|
|
+#include <linux/if_vlan.h>
|
|
+
|
|
+#include <asm/mach-ralink/ralink_regs.h>
|
|
+
|
|
+#include "ralink_soc_eth.h"
|
|
+#include "esw_rt3052.h"
|
|
+#include "mdio.h"
|
|
+
|
|
+#define TX_TIMEOUT (20 * HZ / 100)
|
|
+#define MAX_RX_LENGTH 1536
|
|
+
|
|
+static const u32 fe_reg_table_default[FE_REG_COUNT] = {
|
|
+ [FE_REG_PDMA_GLO_CFG] = FE_PDMA_GLO_CFG,
|
|
+ [FE_REG_PDMA_RST_CFG] = FE_PDMA_RST_CFG,
|
|
+ [FE_REG_DLY_INT_CFG] = FE_DLY_INT_CFG,
|
|
+ [FE_REG_TX_BASE_PTR0] = FE_TX_BASE_PTR0,
|
|
+ [FE_REG_TX_MAX_CNT0] = FE_TX_MAX_CNT0,
|
|
+ [FE_REG_TX_CTX_IDX0] = FE_TX_CTX_IDX0,
|
|
+ [FE_REG_RX_BASE_PTR0] = FE_RX_BASE_PTR0,
|
|
+ [FE_REG_RX_MAX_CNT0] = FE_RX_MAX_CNT0,
|
|
+ [FE_REG_RX_CALC_IDX0] = FE_RX_CALC_IDX0,
|
|
+ [FE_REG_FE_INT_ENABLE] = FE_FE_INT_ENABLE,
|
|
+ [FE_REG_FE_INT_STATUS] = FE_FE_INT_STATUS,
|
|
+};
|
|
+
|
|
+static const u32 *fe_reg_table = fe_reg_table_default;
|
|
+
|
|
+static void __iomem *fe_base = 0;
|
|
+
|
|
+void fe_w32(u32 val, unsigned reg)
|
|
+{
|
|
+ __raw_writel(val, fe_base + reg);
|
|
+}
|
|
+
|
|
+u32 fe_r32(unsigned reg)
|
|
+{
|
|
+ return __raw_readl(fe_base + reg);
|
|
+}
|
|
+
|
|
+static inline void fe_reg_w32(u32 val, enum fe_reg reg)
|
|
+{
|
|
+ fe_w32(val, fe_reg_table[reg]);
|
|
+}
|
|
+
|
|
+static inline u32 fe_reg_r32(enum fe_reg reg)
|
|
+{
|
|
+ return fe_r32(fe_reg_table[reg]);
|
|
+}
|
|
+
|
|
+static inline void fe_int_disable(u32 mask)
|
|
+{
|
|
+ fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) & ~mask,
|
|
+ FE_REG_FE_INT_ENABLE);
|
|
+ /* flush write */
|
|
+ fe_reg_r32(FE_REG_FE_INT_ENABLE);
|
|
+}
|
|
+
|
|
+static inline void fe_int_enable(u32 mask)
|
|
+{
|
|
+ fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) | mask,
|
|
+ FE_REG_FE_INT_ENABLE);
|
|
+ /* flush write */
|
|
+ fe_reg_r32(FE_REG_FE_INT_ENABLE);
|
|
+}
|
|
+
|
|
+static inline void fe_hw_set_macaddr(struct fe_priv *priv, unsigned char *mac)
|
|
+{
|
|
+ unsigned long flags;
|
|
+
|
|
+ spin_lock_irqsave(&priv->page_lock, flags);
|
|
+ fe_w32((mac[0] << 8) | mac[1], FE_GDMA1_MAC_ADRH);
|
|
+ fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
|
|
+ FE_GDMA1_MAC_ADRL);
|
|
+ spin_unlock_irqrestore(&priv->page_lock, flags);
|
|
+}
|
|
+
|
|
+static int fe_set_mac_address(struct net_device *dev, void *p)
|
|
+{
|
|
+ int ret = eth_mac_addr(dev, p);
|
|
+
|
|
+ if (!ret) {
|
|
+ struct fe_priv *priv = netdev_priv(dev);
|
|
+
|
|
+ if (priv->soc->set_mac)
|
|
+ priv->soc->set_mac(priv, dev->dev_addr);
|
|
+ else
|
|
+ fe_hw_set_macaddr(priv, p);
|
|
+ }
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static struct sk_buff* fe_alloc_skb(struct fe_priv *priv)
|
|
+{
|
|
+ struct sk_buff *skb;
|
|
+
|
|
+ skb = netdev_alloc_skb(priv->netdev, MAX_RX_LENGTH + NET_IP_ALIGN);
|
|
+ if (!skb)
|
|
+ return NULL;
|
|
+
|
|
+ skb_reserve(skb, NET_IP_ALIGN);
|
|
+
|
|
+ return skb;
|
|
+}
|
|
+
|
|
+static int fe_alloc_rx(struct fe_priv *priv)
|
|
+{
|
|
+ int size = NUM_DMA_DESC * sizeof(struct fe_rx_dma);
|
|
+ int i;
|
|
+
|
|
+ priv->rx_dma = dma_alloc_coherent(&priv->netdev->dev, size,
|
|
+ &priv->rx_phys, GFP_ATOMIC);
|
|
+ if (!priv->rx_dma)
|
|
+ return -ENOMEM;
|
|
+
|
|
+ memset(priv->rx_dma, 0, size);
|
|
+
|
|
+ for (i = 0; i < NUM_DMA_DESC; i++) {
|
|
+ priv->rx_skb[i] = fe_alloc_skb(priv);
|
|
+ if (!priv->rx_skb[i])
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < NUM_DMA_DESC; i++) {
|
|
+ dma_addr_t dma_addr = dma_map_single(&priv->netdev->dev,
|
|
+ priv->rx_skb[i]->data,
|
|
+ MAX_RX_LENGTH,
|
|
+ DMA_FROM_DEVICE);
|
|
+ priv->rx_dma[i].rxd1 = (unsigned int) dma_addr;
|
|
+
|
|
+ if (priv->soc->rx_dma)
|
|
+ priv->soc->rx_dma(priv, i, MAX_RX_LENGTH);
|
|
+ else
|
|
+ priv->rx_dma[i].rxd2 = RX_DMA_LSO;
|
|
+ }
|
|
+ wmb();
|
|
+
|
|
+ fe_reg_w32(priv->rx_phys, FE_REG_RX_BASE_PTR0);
|
|
+ fe_reg_w32(NUM_DMA_DESC, FE_REG_RX_MAX_CNT0);
|
|
+ fe_reg_w32((NUM_DMA_DESC - 1), FE_REG_RX_CALC_IDX0);
|
|
+ fe_reg_w32(FE_PST_DRX_IDX0, FE_REG_PDMA_RST_CFG);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int fe_alloc_tx(struct fe_priv *priv)
|
|
+{
|
|
+ int size = NUM_DMA_DESC * sizeof(struct fe_tx_dma);
|
|
+ int i;
|
|
+
|
|
+ priv->tx_free_idx = 0;
|
|
+
|
|
+ priv->tx_dma = dma_alloc_coherent(&priv->netdev->dev, size,
|
|
+ &priv->tx_phys, GFP_ATOMIC);
|
|
+ if (!priv->tx_dma)
|
|
+ return -ENOMEM;
|
|
+
|
|
+ memset(priv->tx_dma, 0, size);
|
|
+
|
|
+ for (i = 0; i < NUM_DMA_DESC; i++) {
|
|
+ if (priv->soc->tx_dma) {
|
|
+ priv->soc->tx_dma(priv, i, 0);
|
|
+ continue;
|
|
+ }
|
|
+
|
|
+ priv->tx_dma[i].txd2 = TX_DMA_LSO | TX_DMA_DONE;
|
|
+ priv->tx_dma[i].txd4 = TX_DMA_QN(3) | TX_DMA_PN(1);
|
|
+ }
|
|
+
|
|
+ fe_reg_w32(priv->tx_phys, FE_REG_TX_BASE_PTR0);
|
|
+ fe_reg_w32(NUM_DMA_DESC, FE_REG_TX_MAX_CNT0);
|
|
+ fe_reg_w32(0, FE_REG_TX_CTX_IDX0);
|
|
+ fe_reg_w32(FE_PST_DTX_IDX0, FE_REG_PDMA_RST_CFG);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void fe_free_dma(struct fe_priv *priv)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ for (i = 0; i < NUM_DMA_DESC; i++) {
|
|
+ if (priv->rx_skb[i]) {
|
|
+ dma_unmap_single(&priv->netdev->dev, priv->rx_dma[i].rxd1,
|
|
+ MAX_RX_LENGTH, DMA_FROM_DEVICE);
|
|
+ dev_kfree_skb_any(priv->rx_skb[i]);
|
|
+ priv->rx_skb[i] = NULL;
|
|
+ }
|
|
+
|
|
+ if (priv->tx_skb[i]) {
|
|
+ dev_kfree_skb_any(priv->tx_skb[i]);
|
|
+ priv->tx_skb[i] = NULL;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (priv->rx_dma) {
|
|
+ int size = NUM_DMA_DESC * sizeof(struct fe_rx_dma);
|
|
+ dma_free_coherent(&priv->netdev->dev, size, priv->rx_dma,
|
|
+ priv->rx_phys);
|
|
+ }
|
|
+
|
|
+ if (priv->tx_dma) {
|
|
+ int size = NUM_DMA_DESC * sizeof(struct fe_tx_dma);
|
|
+ dma_free_coherent(&priv->netdev->dev, size, priv->tx_dma,
|
|
+ priv->tx_phys);
|
|
+ }
|
|
+
|
|
+ netdev_reset_queue(priv->netdev);
|
|
+}
|
|
+
|
|
+static int fe_start_xmit(struct sk_buff *skb, struct net_device *dev)
|
|
+{
|
|
+ struct fe_priv *priv = netdev_priv(dev);
|
|
+ dma_addr_t mapped_addr;
|
|
+ u32 tx_next;
|
|
+ u32 tx;
|
|
+
|
|
+ if (priv->soc->min_pkt_len) {
|
|
+ if (skb->len < priv->soc->min_pkt_len) {
|
|
+ if (skb_padto(skb, priv->soc->min_pkt_len)) {
|
|
+ printk(KERN_ERR
|
|
+ "fe_eth: skb_padto failed\n");
|
|
+ kfree_skb(skb);
|
|
+ return 0;
|
|
+ }
|
|
+ skb_put(skb, priv->soc->min_pkt_len - skb->len);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ dev->trans_start = jiffies;
|
|
+ mapped_addr = dma_map_single(&priv->netdev->dev, skb->data,
|
|
+ skb->len, DMA_TO_DEVICE);
|
|
+
|
|
+ spin_lock(&priv->page_lock);
|
|
+
|
|
+ tx = fe_reg_r32(FE_REG_TX_CTX_IDX0);
|
|
+ tx_next = (tx + 1) % NUM_DMA_DESC;
|
|
+
|
|
+ if ((priv->tx_skb[tx]) || (priv->tx_skb[tx_next]) ||
|
|
+ !(priv->tx_dma[tx].txd2 & TX_DMA_DONE) ||
|
|
+ !(priv->tx_dma[tx_next].txd2 & TX_DMA_DONE))
|
|
+ {
|
|
+ spin_unlock(&priv->page_lock);
|
|
+ dev->stats.tx_dropped++;
|
|
+ kfree_skb(skb);
|
|
+
|
|
+ return NETDEV_TX_OK;
|
|
+ }
|
|
+
|
|
+ priv->tx_skb[tx] = skb;
|
|
+ priv->tx_dma[tx].txd1 = (unsigned int) mapped_addr;
|
|
+ wmb();
|
|
+ if (priv->soc->tx_dma)
|
|
+ priv->soc->tx_dma(priv, tx, skb->len);
|
|
+ else
|
|
+ priv->tx_dma[tx].txd2 = TX_DMA_LSO | TX_DMA_PLEN0(skb->len);
|
|
+
|
|
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
|
|
+ priv->tx_dma[tx].txd4 |= TX_DMA_CHKSUM;
|
|
+ else
|
|
+ priv->tx_dma[tx].txd4 &= ~TX_DMA_CHKSUM;
|
|
+
|
|
+ priv->tx_dma[tx].txd4 &= ~0x80;
|
|
+
|
|
+ dev->stats.tx_packets++;
|
|
+ dev->stats.tx_bytes += skb->len;
|
|
+
|
|
+ fe_reg_w32(tx_next, FE_REG_TX_CTX_IDX0);
|
|
+ netdev_sent_queue(dev, skb->len);
|
|
+
|
|
+ spin_unlock(&priv->page_lock);
|
|
+
|
|
+ return NETDEV_TX_OK;
|
|
+}
|
|
+
|
|
+static int fe_poll_rx(struct napi_struct *napi, int budget)
|
|
+{
|
|
+ struct fe_priv *priv = container_of(napi, struct fe_priv, rx_napi);
|
|
+ int idx = fe_reg_r32(FE_REG_RX_CALC_IDX0);
|
|
+ int complete = 0;
|
|
+ int rx = 0;
|
|
+
|
|
+ while ((rx < budget) && !complete) {
|
|
+ idx = (idx + 1) % NUM_DMA_DESC;
|
|
+
|
|
+ if (priv->rx_dma[idx].rxd2 & RX_DMA_DONE) {
|
|
+ struct sk_buff *new_skb = fe_alloc_skb(priv);
|
|
+
|
|
+ if (new_skb) {
|
|
+ int pktlen = RX_DMA_PLEN0(priv->rx_dma[idx].rxd2);
|
|
+ dma_addr_t dma_addr;
|
|
+
|
|
+ dma_unmap_single(&priv->netdev->dev, priv->rx_dma[idx].rxd1,
|
|
+ MAX_RX_LENGTH, DMA_FROM_DEVICE);
|
|
+
|
|
+ skb_put(priv->rx_skb[idx], pktlen);
|
|
+ priv->rx_skb[idx]->dev = priv->netdev;
|
|
+ priv->rx_skb[idx]->protocol = eth_type_trans(priv->rx_skb[idx], priv->netdev);
|
|
+ if (priv->rx_dma[idx].rxd4 & priv->soc->checksum_bit)
|
|
+ priv->rx_skb[idx]->ip_summed = CHECKSUM_UNNECESSARY;
|
|
+ else
|
|
+ priv->rx_skb[idx]->ip_summed = CHECKSUM_NONE;
|
|
+ priv->netdev->stats.rx_packets++;
|
|
+ priv->netdev->stats.rx_bytes += pktlen;
|
|
+ netif_receive_skb(priv->rx_skb[idx]);
|
|
+
|
|
+ priv->rx_skb[idx] = new_skb;
|
|
+
|
|
+ dma_addr = dma_map_single(&priv->netdev->dev,
|
|
+ new_skb->data,
|
|
+ MAX_RX_LENGTH,
|
|
+ DMA_FROM_DEVICE);
|
|
+ priv->rx_dma[idx].rxd1 = (unsigned int) dma_addr;
|
|
+ wmb();
|
|
+ } else {
|
|
+ priv->netdev->stats.rx_dropped++;
|
|
+ }
|
|
+
|
|
+ if (priv->soc->rx_dma)
|
|
+ priv->soc->rx_dma(priv, idx, MAX_RX_LENGTH);
|
|
+ else
|
|
+ priv->rx_dma[idx].rxd2 = RX_DMA_LSO;
|
|
+ fe_reg_w32(idx, FE_REG_RX_CALC_IDX0);
|
|
+
|
|
+ rx++;
|
|
+ } else {
|
|
+ complete = 1;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (complete) {
|
|
+ napi_complete(&priv->rx_napi);
|
|
+ fe_int_enable(priv->soc->rx_dly_int);
|
|
+ }
|
|
+
|
|
+ return rx;
|
|
+}
|
|
+
|
|
+static void fe_tx_housekeeping(unsigned long ptr)
|
|
+{
|
|
+ struct net_device *dev = (struct net_device*)ptr;
|
|
+ struct fe_priv *priv = netdev_priv(dev);
|
|
+ unsigned int bytes_compl = 0;
|
|
+ unsigned int pkts_compl = 0;
|
|
+
|
|
+ spin_lock(&priv->page_lock);
|
|
+ while (1) {
|
|
+ struct fe_tx_dma *txd;
|
|
+
|
|
+ txd = &priv->tx_dma[priv->tx_free_idx];
|
|
+
|
|
+ if (!(txd->txd2 & TX_DMA_DONE) || !(priv->tx_skb[priv->tx_free_idx]))
|
|
+ break;
|
|
+
|
|
+ bytes_compl += priv->tx_skb[priv->tx_free_idx]->len;
|
|
+ pkts_compl++;
|
|
+
|
|
+ dev_kfree_skb_irq(priv->tx_skb[priv->tx_free_idx]);
|
|
+ priv->tx_skb[priv->tx_free_idx] = NULL;
|
|
+ priv->tx_free_idx++;
|
|
+ if (priv->tx_free_idx >= NUM_DMA_DESC)
|
|
+ priv->tx_free_idx = 0;
|
|
+ }
|
|
+
|
|
+ netdev_completed_queue(priv->netdev, pkts_compl, bytes_compl);
|
|
+ spin_unlock(&priv->page_lock);
|
|
+
|
|
+ fe_int_enable(priv->soc->tx_dly_int);
|
|
+}
|
|
+
|
|
+static void fe_tx_timeout(struct net_device *dev)
|
|
+{
|
|
+ struct fe_priv *priv = netdev_priv(dev);
|
|
+
|
|
+ tasklet_schedule(&priv->tx_tasklet);
|
|
+ priv->netdev->stats.tx_errors++;
|
|
+ netdev_err(dev, "transmit timed out, waking up the queue\n");
|
|
+ netif_wake_queue(dev);
|
|
+}
|
|
+
|
|
+static irqreturn_t fe_handle_irq(int irq, void *dev)
|
|
+{
|
|
+ struct fe_priv *priv = netdev_priv(dev);
|
|
+ unsigned int status;
|
|
+ unsigned int mask;
|
|
+
|
|
+ status = fe_reg_r32(FE_REG_FE_INT_STATUS);
|
|
+ mask = fe_reg_r32(FE_REG_FE_INT_ENABLE);
|
|
+
|
|
+ if (!(status & mask))
|
|
+ return IRQ_NONE;
|
|
+
|
|
+ if (status & priv->soc->rx_dly_int) {
|
|
+ fe_int_disable(priv->soc->rx_dly_int);
|
|
+ napi_schedule(&priv->rx_napi);
|
|
+ }
|
|
+
|
|
+ if (status & priv->soc->tx_dly_int) {
|
|
+ fe_int_disable(priv->soc->tx_dly_int);
|
|
+ tasklet_schedule(&priv->tx_tasklet);
|
|
+ }
|
|
+
|
|
+ fe_reg_w32(status, FE_REG_FE_INT_STATUS);
|
|
+
|
|
+ return IRQ_HANDLED;
|
|
+}
|
|
+
|
|
+static int fe_hw_init(struct net_device *dev)
|
|
+{
|
|
+ struct fe_priv *priv = netdev_priv(dev);
|
|
+ int err;
|
|
+
|
|
+ err = devm_request_irq(priv->device, dev->irq, fe_handle_irq, 0,
|
|
+ dev_name(priv->device), dev);
|
|
+ if (err)
|
|
+ return err;
|
|
+
|
|
+ err = fe_alloc_rx(priv);
|
|
+ if (!err)
|
|
+ err = fe_alloc_tx(priv);
|
|
+ if (err)
|
|
+ return err;
|
|
+
|
|
+ if (priv->soc->set_mac)
|
|
+ priv->soc->set_mac(priv, dev->dev_addr);
|
|
+ else
|
|
+ fe_hw_set_macaddr(priv, dev->dev_addr);
|
|
+
|
|
+ fe_reg_w32(FE_DELAY_INIT, FE_REG_DLY_INT_CFG);
|
|
+
|
|
+ fe_int_disable(priv->soc->tx_dly_int | priv->soc->rx_dly_int);
|
|
+
|
|
+ tasklet_init(&priv->tx_tasklet, fe_tx_housekeeping, (unsigned long)dev);
|
|
+
|
|
+ if (priv->soc->fwd_config) {
|
|
+ priv->soc->fwd_config(priv);
|
|
+ } else {
|
|
+ unsigned long sysclk = priv->sysclk;
|
|
+
|
|
+ if (!sysclk) {
|
|
+ netdev_err(dev, "unable to get clock\n");
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ sysclk /= FE_US_CYC_CNT_DIVISOR;
|
|
+ sysclk <<= FE_US_CYC_CNT_SHIFT;
|
|
+
|
|
+ fe_w32((fe_r32(FE_FE_GLO_CFG) &
|
|
+ ~(FE_US_CYC_CNT_MASK << FE_US_CYC_CNT_SHIFT)) | sysclk,
|
|
+ FE_FE_GLO_CFG);
|
|
+
|
|
+ fe_w32(fe_r32(FE_GDMA1_FWD_CFG) & ~0xffff, FE_GDMA1_FWD_CFG);
|
|
+ fe_w32(fe_r32(FE_GDMA1_FWD_CFG) | (FE_GDM1_ICS_EN | FE_GDM1_TCS_EN | FE_GDM1_UCS_EN),
|
|
+ FE_GDMA1_FWD_CFG);
|
|
+ fe_w32(fe_r32(FE_CDMA_CSG_CFG) | (FE_ICS_GEN_EN | FE_TCS_GEN_EN | FE_UCS_GEN_EN),
|
|
+ FE_CDMA_CSG_CFG);
|
|
+ fe_w32(FE_PSE_FQFC_CFG_INIT, FE_PSE_FQ_CFG);
|
|
+ }
|
|
+
|
|
+ fe_w32(1, FE_FE_RST_GL);
|
|
+ fe_w32(0, FE_FE_RST_GL);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int fe_open(struct net_device *dev)
|
|
+{
|
|
+ struct fe_priv *priv = netdev_priv(dev);
|
|
+ unsigned long flags;
|
|
+ u32 val;
|
|
+
|
|
+ spin_lock_irqsave(&priv->page_lock, flags);
|
|
+ napi_enable(&priv->rx_napi);
|
|
+
|
|
+ val = FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN;
|
|
+ val |= priv->soc->pdma_glo_cfg;
|
|
+ fe_reg_w32(val, FE_REG_PDMA_GLO_CFG);
|
|
+
|
|
+ spin_unlock_irqrestore(&priv->page_lock, flags);
|
|
+
|
|
+ if (priv->phy)
|
|
+ priv->phy->start(priv);
|
|
+
|
|
+ if (priv->soc->has_carrier && priv->soc->has_carrier(priv))
|
|
+ netif_carrier_on(dev);
|
|
+
|
|
+ netif_start_queue(dev);
|
|
+ fe_int_enable(priv->soc->tx_dly_int | priv->soc->rx_dly_int);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int fe_stop(struct net_device *dev)
|
|
+{
|
|
+ struct fe_priv *priv = netdev_priv(dev);
|
|
+ unsigned long flags;
|
|
+
|
|
+ fe_int_disable(priv->soc->tx_dly_int | priv->soc->rx_dly_int);
|
|
+
|
|
+ netif_stop_queue(dev);
|
|
+
|
|
+ if (priv->phy)
|
|
+ priv->phy->stop(priv);
|
|
+
|
|
+ spin_lock_irqsave(&priv->page_lock, flags);
|
|
+ napi_disable(&priv->rx_napi);
|
|
+
|
|
+ fe_reg_w32(fe_reg_r32(FE_REG_PDMA_GLO_CFG) &
|
|
+ ~(FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN),
|
|
+ FE_REG_PDMA_GLO_CFG);
|
|
+ spin_unlock_irqrestore(&priv->page_lock, flags);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int __init fe_init(struct net_device *dev)
|
|
+{
|
|
+ struct fe_priv *priv = netdev_priv(dev);
|
|
+ struct device_node *port;
|
|
+ int err;
|
|
+
|
|
+ BUG_ON(!priv->soc->reset_fe);
|
|
+ priv->soc->reset_fe();
|
|
+
|
|
+ if (priv->soc->switch_init)
|
|
+ priv->soc->switch_init(priv);
|
|
+
|
|
+ net_srandom(jiffies);
|
|
+ memcpy(dev->dev_addr, priv->soc->mac, ETH_ALEN);
|
|
+ of_get_mac_address_mtd(priv->device->of_node, dev->dev_addr);
|
|
+
|
|
+ err = fe_mdio_init(priv);
|
|
+ if (err)
|
|
+ return err;
|
|
+
|
|
+ if (priv->phy) {
|
|
+ err = priv->phy->connect(priv);
|
|
+ if (err)
|
|
+ goto err_mdio_cleanup;
|
|
+ }
|
|
+
|
|
+ if (priv->soc->port_init)
|
|
+ for_each_child_of_node(priv->device->of_node, port)
|
|
+ if (of_device_is_compatible(port, "ralink,eth-port") && of_device_is_available(port))
|
|
+ priv->soc->port_init(priv, port);
|
|
+
|
|
+ err = fe_hw_init(dev);
|
|
+ if (err)
|
|
+ goto err_phy_disconnect;
|
|
+
|
|
+ if (priv->soc->switch_config)
|
|
+ priv->soc->switch_config(priv);
|
|
+
|
|
+ return 0;
|
|
+
|
|
+err_phy_disconnect:
|
|
+ if (priv->phy)
|
|
+ priv->phy->disconnect(priv);
|
|
+err_mdio_cleanup:
|
|
+ fe_mdio_cleanup(priv);
|
|
+
|
|
+ return err;
|
|
+}
|
|
+
|
|
+static void fe_uninit(struct net_device *dev)
|
|
+{
|
|
+ struct fe_priv *priv = netdev_priv(dev);
|
|
+
|
|
+ tasklet_kill(&priv->tx_tasklet);
|
|
+
|
|
+ if (priv->phy)
|
|
+ priv->phy->disconnect(priv);
|
|
+ fe_mdio_cleanup(priv);
|
|
+
|
|
+ fe_reg_w32(0, FE_REG_FE_INT_ENABLE);
|
|
+ free_irq(dev->irq, dev);
|
|
+
|
|
+ fe_free_dma(priv);
|
|
+}
|
|
+
|
|
+static const struct net_device_ops fe_netdev_ops = {
|
|
+ .ndo_init = fe_init,
|
|
+ .ndo_uninit = fe_uninit,
|
|
+ .ndo_open = fe_open,
|
|
+ .ndo_stop = fe_stop,
|
|
+ .ndo_start_xmit = fe_start_xmit,
|
|
+ .ndo_tx_timeout = fe_tx_timeout,
|
|
+ .ndo_set_mac_address = fe_set_mac_address,
|
|
+ .ndo_change_mtu = eth_change_mtu,
|
|
+ .ndo_validate_addr = eth_validate_addr,
|
|
+};
|
|
+
|
|
+static int fe_probe(struct platform_device *pdev)
|
|
+{
|
|
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
+ const struct of_device_id *match;
|
|
+ struct fe_soc_data *soc = NULL;
|
|
+ struct net_device *netdev;
|
|
+ struct fe_priv *priv;
|
|
+ struct clk *sysclk;
|
|
+ int err;
|
|
+
|
|
+ match = of_match_device(of_fe_match, &pdev->dev);
|
|
+ soc = (struct fe_soc_data *) match->data;
|
|
+ if (soc->reg_table)
|
|
+ fe_reg_table = soc->reg_table;
|
|
+
|
|
+ fe_base = devm_request_and_ioremap(&pdev->dev, res);
|
|
+ if (!fe_base)
|
|
+ return -ENOMEM;
|
|
+
|
|
+ netdev = alloc_etherdev(sizeof(struct fe_priv));
|
|
+ if (!netdev) {
|
|
+ dev_err(&pdev->dev, "alloc_etherdev failed\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ strcpy(netdev->name, "eth%d");
|
|
+ netdev->netdev_ops = &fe_netdev_ops;
|
|
+ netdev->base_addr = (unsigned long) fe_base;
|
|
+ netdev->watchdog_timeo = TX_TIMEOUT;
|
|
+ netdev->features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
|
|
+
|
|
+ netdev->irq = platform_get_irq(pdev, 0);
|
|
+ if (netdev->irq < 0) {
|
|
+ dev_err(&pdev->dev, "no IRQ resource found\n");
|
|
+ kfree(netdev);
|
|
+ return -ENXIO;
|
|
+ }
|
|
+
|
|
+ priv = netdev_priv(netdev);
|
|
+ memset(priv, 0, sizeof(struct fe_priv));
|
|
+ spin_lock_init(&priv->page_lock);
|
|
+
|
|
+ sysclk = devm_clk_get(&pdev->dev, NULL);
|
|
+ if (!IS_ERR(sysclk))
|
|
+ priv->sysclk = clk_get_rate(sysclk);
|
|
+
|
|
+ priv->netdev = netdev;
|
|
+ priv->device = &pdev->dev;
|
|
+ priv->soc = soc;
|
|
+
|
|
+ err = register_netdev(netdev);
|
|
+ if (err) {
|
|
+ dev_err(&pdev->dev, "error bringing up device\n");
|
|
+ kfree(netdev);
|
|
+ return err;
|
|
+ }
|
|
+ netif_napi_add(netdev, &priv->rx_napi, fe_poll_rx, 32);
|
|
+
|
|
+ platform_set_drvdata(pdev, netdev);
|
|
+
|
|
+ netdev_info(netdev, "done loading\n");
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int fe_remove(struct platform_device *pdev)
|
|
+{
|
|
+ struct net_device *dev = platform_get_drvdata(pdev);
|
|
+ struct fe_priv *priv = netdev_priv(dev);
|
|
+
|
|
+ netif_stop_queue(dev);
|
|
+ netif_napi_del(&priv->rx_napi);
|
|
+
|
|
+ unregister_netdev(dev);
|
|
+ free_netdev(dev);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct platform_driver fe_driver = {
|
|
+ .probe = fe_probe,
|
|
+ .remove = fe_remove,
|
|
+ .driver = {
|
|
+ .name = "ralink_soc_eth",
|
|
+ .owner = THIS_MODULE,
|
|
+ .of_match_table = of_fe_match,
|
|
+ },
|
|
+};
|
|
+
|
|
+static int __init init_rtfe(void)
|
|
+{
|
|
+ int ret;
|
|
+
|
|
+ ret = rtesw_init();
|
|
+ if (ret)
|
|
+ return ret;
|
|
+
|
|
+ ret = platform_driver_register(&fe_driver);
|
|
+ if (ret)
|
|
+ rtesw_exit();
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static void __exit exit_rtfe(void)
|
|
+{
|
|
+ platform_driver_unregister(&fe_driver);
|
|
+ rtesw_exit();
|
|
+}
|
|
+
|
|
+module_init(init_rtfe);
|
|
+module_exit(exit_rtfe);
|
|
+
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
|
|
+MODULE_DESCRIPTION("Ethernet driver for Ralink SoC");
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/ralink_soc_eth.h
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/ralink_soc_eth.h 2013-10-08 17:26:47.076172688 +0200
|
|
@@ -0,0 +1,375 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * based on Ralink SDK3.3
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#ifndef FE_ETH_H
|
|
+#define FE_ETH_H
|
|
+
|
|
+#include <linux/mii.h>
|
|
+#include <linux/interrupt.h>
|
|
+#include <linux/netdevice.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+#include <linux/phy.h>
|
|
+
|
|
+
|
|
+enum fe_reg {
|
|
+ FE_REG_PDMA_GLO_CFG = 0,
|
|
+ FE_REG_PDMA_RST_CFG,
|
|
+ FE_REG_DLY_INT_CFG,
|
|
+ FE_REG_TX_BASE_PTR0,
|
|
+ FE_REG_TX_MAX_CNT0,
|
|
+ FE_REG_TX_CTX_IDX0,
|
|
+ FE_REG_RX_BASE_PTR0,
|
|
+ FE_REG_RX_MAX_CNT0,
|
|
+ FE_REG_RX_CALC_IDX0,
|
|
+ FE_REG_FE_INT_ENABLE,
|
|
+ FE_REG_FE_INT_STATUS,
|
|
+ FE_REG_FE_DMA_VID_BASE,
|
|
+ FE_REG_COUNT
|
|
+};
|
|
+
|
|
+#define NUM_DMA_DESC 0x100
|
|
+
|
|
+#define FE_DELAY_EN_INT 0x80
|
|
+#define FE_DELAY_MAX_INT 0x04
|
|
+#define FE_DELAY_MAX_TOUT 0x04
|
|
+#define FE_DELAY_CHAN (((FE_DELAY_EN_INT | FE_DELAY_MAX_INT) << 8) | FE_DELAY_MAX_TOUT)
|
|
+#define FE_DELAY_INIT ((FE_DELAY_CHAN << 16) | FE_DELAY_CHAN)
|
|
+#define FE_PSE_FQFC_CFG_INIT 0x80504000
|
|
+
|
|
+/* interrupt bits */
|
|
+#define FE_CNT_PPE_AF BIT(31)
|
|
+#define FE_CNT_GDM_AF BIT(29)
|
|
+#define FE_PSE_P2_FC BIT(26)
|
|
+#define FE_PSE_BUF_DROP BIT(24)
|
|
+#define FE_GDM_OTHER_DROP BIT(23)
|
|
+#define FE_PSE_P1_FC BIT(22)
|
|
+#define FE_PSE_P0_FC BIT(21)
|
|
+#define FE_PSE_FQ_EMPTY BIT(20)
|
|
+#define FE_GE1_STA_CHG BIT(18)
|
|
+#define FE_TX_COHERENT BIT(17)
|
|
+#define FE_RX_COHERENT BIT(16)
|
|
+#define FE_TX_DONE_INT3 BIT(11)
|
|
+#define FE_TX_DONE_INT2 BIT(10)
|
|
+#define FE_TX_DONE_INT1 BIT(9)
|
|
+#define FE_TX_DONE_INT0 BIT(8)
|
|
+#define FE_RX_DONE_INT0 BIT(2)
|
|
+#define FE_TX_DLY_INT BIT(1)
|
|
+#define FE_RX_DLY_INT BIT(0)
|
|
+
|
|
+#define RT5350_RX_DLY_INT BIT(30)
|
|
+#define RT5350_TX_DLY_INT BIT(28)
|
|
+
|
|
+/* registers */
|
|
+#define FE_FE_OFFSET 0x0000
|
|
+#define FE_GDMA_OFFSET 0x0020
|
|
+#define FE_PSE_OFFSET 0x0040
|
|
+#define FE_GDMA2_OFFSET 0x0060
|
|
+#define FE_CDMA_OFFSET 0x0080
|
|
+#define FE_DMA_VID0 0x00a8
|
|
+#define FE_PDMA_OFFSET 0x0100
|
|
+#define FE_PPE_OFFSET 0x0200
|
|
+#define FE_CMTABLE_OFFSET 0x0400
|
|
+#define FE_POLICYTABLE_OFFSET 0x1000
|
|
+
|
|
+#define RT5350_PDMA_OFFSET 0x0800
|
|
+#define RT5350_SDM_OFFSET 0x0c00
|
|
+
|
|
+#define FE_MDIO_ACCESS (FE_FE_OFFSET + 0x00)
|
|
+#define FE_MDIO_CFG (FE_FE_OFFSET + 0x04)
|
|
+#define FE_FE_GLO_CFG (FE_FE_OFFSET + 0x08)
|
|
+#define FE_FE_RST_GL (FE_FE_OFFSET + 0x0C)
|
|
+#define FE_FE_INT_STATUS (FE_FE_OFFSET + 0x10)
|
|
+#define FE_FE_INT_ENABLE (FE_FE_OFFSET + 0x14)
|
|
+#define FE_MDIO_CFG2 (FE_FE_OFFSET + 0x18)
|
|
+#define FE_FOC_TS_T (FE_FE_OFFSET + 0x1C)
|
|
+
|
|
+#define FE_GDMA1_FWD_CFG (FE_GDMA_OFFSET + 0x00)
|
|
+#define FE_GDMA1_SCH_CFG (FE_GDMA_OFFSET + 0x04)
|
|
+#define FE_GDMA1_SHPR_CFG (FE_GDMA_OFFSET + 0x08)
|
|
+#define FE_GDMA1_MAC_ADRL (FE_GDMA_OFFSET + 0x0C)
|
|
+#define FE_GDMA1_MAC_ADRH (FE_GDMA_OFFSET + 0x10)
|
|
+
|
|
+#define FE_GDMA2_FWD_CFG (FE_GDMA2_OFFSET + 0x00)
|
|
+#define FE_GDMA2_SCH_CFG (FE_GDMA2_OFFSET + 0x04)
|
|
+#define FE_GDMA2_SHPR_CFG (FE_GDMA2_OFFSET + 0x08)
|
|
+#define FE_GDMA2_MAC_ADRL (FE_GDMA2_OFFSET + 0x0C)
|
|
+#define FE_GDMA2_MAC_ADRH (FE_GDMA2_OFFSET + 0x10)
|
|
+
|
|
+#define FE_PSE_FQ_CFG (FE_PSE_OFFSET + 0x00)
|
|
+#define FE_CDMA_FC_CFG (FE_PSE_OFFSET + 0x04)
|
|
+#define FE_GDMA1_FC_CFG (FE_PSE_OFFSET + 0x08)
|
|
+#define FE_GDMA2_FC_CFG (FE_PSE_OFFSET + 0x0C)
|
|
+
|
|
+#define FE_CDMA_CSG_CFG (FE_CDMA_OFFSET + 0x00)
|
|
+#define FE_CDMA_SCH_CFG (FE_CDMA_OFFSET + 0x04)
|
|
+
|
|
+#define MT7620A_GDMA_OFFSET 0x0600
|
|
+#define MT7620A_GDMA1_FWD_CFG (MT7620A_GDMA_OFFSET + 0x00)
|
|
+#define MT7620A_FE_GDMA1_SCH_CFG (MT7620A_GDMA_OFFSET + 0x04)
|
|
+#define MT7620A_FE_GDMA1_SHPR_CFG (MT7620A_GDMA_OFFSET + 0x08)
|
|
+#define MT7620A_FE_GDMA1_MAC_ADRL (MT7620A_GDMA_OFFSET + 0x0C)
|
|
+#define MT7620A_FE_GDMA1_MAC_ADRH (MT7620A_GDMA_OFFSET + 0x10)
|
|
+
|
|
+#define RT5350_TX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x00)
|
|
+#define RT5350_TX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x04)
|
|
+#define RT5350_TX_CTX_IDX0 (RT5350_PDMA_OFFSET + 0x08)
|
|
+#define RT5350_TX_DTX_IDX0 (RT5350_PDMA_OFFSET + 0x0C)
|
|
+#define RT5350_TX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x10)
|
|
+#define RT5350_TX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x14)
|
|
+#define RT5350_TX_CTX_IDX1 (RT5350_PDMA_OFFSET + 0x18)
|
|
+#define RT5350_TX_DTX_IDX1 (RT5350_PDMA_OFFSET + 0x1C)
|
|
+#define RT5350_TX_BASE_PTR2 (RT5350_PDMA_OFFSET + 0x20)
|
|
+#define RT5350_TX_MAX_CNT2 (RT5350_PDMA_OFFSET + 0x24)
|
|
+#define RT5350_TX_CTX_IDX2 (RT5350_PDMA_OFFSET + 0x28)
|
|
+#define RT5350_TX_DTX_IDX2 (RT5350_PDMA_OFFSET + 0x2C)
|
|
+#define RT5350_TX_BASE_PTR3 (RT5350_PDMA_OFFSET + 0x30)
|
|
+#define RT5350_TX_MAX_CNT3 (RT5350_PDMA_OFFSET + 0x34)
|
|
+#define RT5350_TX_CTX_IDX3 (RT5350_PDMA_OFFSET + 0x38)
|
|
+#define RT5350_TX_DTX_IDX3 (RT5350_PDMA_OFFSET + 0x3C)
|
|
+#define RT5350_RX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x100)
|
|
+#define RT5350_RX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x104)
|
|
+#define RT5350_RX_CALC_IDX0 (RT5350_PDMA_OFFSET + 0x108)
|
|
+#define RT5350_RX_DRX_IDX0 (RT5350_PDMA_OFFSET + 0x10C)
|
|
+#define RT5350_RX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x110)
|
|
+#define RT5350_RX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x114)
|
|
+#define RT5350_RX_CALC_IDX1 (RT5350_PDMA_OFFSET + 0x118)
|
|
+#define RT5350_RX_DRX_IDX1 (RT5350_PDMA_OFFSET + 0x11C)
|
|
+#define RT5350_PDMA_GLO_CFG (RT5350_PDMA_OFFSET + 0x204)
|
|
+#define RT5350_PDMA_RST_CFG (RT5350_PDMA_OFFSET + 0x208)
|
|
+#define RT5350_DLY_INT_CFG (RT5350_PDMA_OFFSET + 0x20c)
|
|
+#define RT5350_FE_INT_STATUS (RT5350_PDMA_OFFSET + 0x220)
|
|
+#define RT5350_FE_INT_ENABLE (RT5350_PDMA_OFFSET + 0x228)
|
|
+#define RT5350_PDMA_SCH_CFG (RT5350_PDMA_OFFSET + 0x280)
|
|
+
|
|
+#define FE_PDMA_GLO_CFG (FE_PDMA_OFFSET + 0x00)
|
|
+#define FE_PDMA_RST_CFG (FE_PDMA_OFFSET + 0x04)
|
|
+#define FE_PDMA_SCH_CFG (FE_PDMA_OFFSET + 0x08)
|
|
+#define FE_DLY_INT_CFG (FE_PDMA_OFFSET + 0x0C)
|
|
+#define FE_TX_BASE_PTR0 (FE_PDMA_OFFSET + 0x10)
|
|
+#define FE_TX_MAX_CNT0 (FE_PDMA_OFFSET + 0x14)
|
|
+#define FE_TX_CTX_IDX0 (FE_PDMA_OFFSET + 0x18)
|
|
+#define FE_TX_DTX_IDX0 (FE_PDMA_OFFSET + 0x1C)
|
|
+#define FE_TX_BASE_PTR1 (FE_PDMA_OFFSET + 0x20)
|
|
+#define FE_TX_MAX_CNT1 (FE_PDMA_OFFSET + 0x24)
|
|
+#define FE_TX_CTX_IDX1 (FE_PDMA_OFFSET + 0x28)
|
|
+#define FE_TX_DTX_IDX1 (FE_PDMA_OFFSET + 0x2C)
|
|
+#define FE_RX_BASE_PTR0 (FE_PDMA_OFFSET + 0x30)
|
|
+#define FE_RX_MAX_CNT0 (FE_PDMA_OFFSET + 0x34)
|
|
+#define FE_RX_CALC_IDX0 (FE_PDMA_OFFSET + 0x38)
|
|
+#define FE_RX_DRX_IDX0 (FE_PDMA_OFFSET + 0x3C)
|
|
+#define FE_TX_BASE_PTR2 (FE_PDMA_OFFSET + 0x40)
|
|
+#define FE_TX_MAX_CNT2 (FE_PDMA_OFFSET + 0x44)
|
|
+#define FE_TX_CTX_IDX2 (FE_PDMA_OFFSET + 0x48)
|
|
+#define FE_TX_DTX_IDX2 (FE_PDMA_OFFSET + 0x4C)
|
|
+#define FE_TX_BASE_PTR3 (FE_PDMA_OFFSET + 0x50)
|
|
+#define FE_TX_MAX_CNT3 (FE_PDMA_OFFSET + 0x54)
|
|
+#define FE_TX_CTX_IDX3 (FE_PDMA_OFFSET + 0x58)
|
|
+#define FE_TX_DTX_IDX3 (FE_PDMA_OFFSET + 0x5C)
|
|
+#define FE_RX_BASE_PTR1 (FE_PDMA_OFFSET + 0x60)
|
|
+#define FE_RX_MAX_CNT1 (FE_PDMA_OFFSET + 0x64)
|
|
+#define FE_RX_CALC_IDX1 (FE_PDMA_OFFSET + 0x68)
|
|
+#define FE_RX_DRX_IDX1 (FE_PDMA_OFFSET + 0x6C)
|
|
+
|
|
+#define RT5350_SDM_CFG (RT5350_SDM_OFFSET + 0x00) //Switch DMA configuration
|
|
+#define RT5350_SDM_RRING (RT5350_SDM_OFFSET + 0x04) //Switch DMA Rx Ring
|
|
+#define RT5350_SDM_TRING (RT5350_SDM_OFFSET + 0x08) //Switch DMA Tx Ring
|
|
+#define RT5350_SDM_MAC_ADRL (RT5350_SDM_OFFSET + 0x0C) //Switch MAC address LSB
|
|
+#define RT5350_SDM_MAC_ADRH (RT5350_SDM_OFFSET + 0x10) //Switch MAC Address MSB
|
|
+#define RT5350_SDM_TPCNT (RT5350_SDM_OFFSET + 0x100) //Switch DMA Tx packet count
|
|
+#define RT5350_SDM_TBCNT (RT5350_SDM_OFFSET + 0x104) //Switch DMA Tx byte count
|
|
+#define RT5350_SDM_RPCNT (RT5350_SDM_OFFSET + 0x108) //Switch DMA rx packet count
|
|
+#define RT5350_SDM_RBCNT (RT5350_SDM_OFFSET + 0x10C) //Switch DMA rx byte count
|
|
+#define RT5350_SDM_CS_ERR (RT5350_SDM_OFFSET + 0x110) //Switch DMA rx checksum error count
|
|
+
|
|
+#define RT5350_SDM_ICS_EN BIT(16)
|
|
+#define RT5350_SDM_TCS_EN BIT(17)
|
|
+#define RT5350_SDM_UCS_EN BIT(18)
|
|
+
|
|
+
|
|
+/* MDIO_CFG register bits */
|
|
+#define FE_MDIO_CFG_AUTO_POLL_EN BIT(29)
|
|
+#define FE_MDIO_CFG_GP1_BP_EN BIT(16)
|
|
+#define FE_MDIO_CFG_GP1_FRC_EN BIT(15)
|
|
+#define FE_MDIO_CFG_GP1_SPEED_10 (0 << 13)
|
|
+#define FE_MDIO_CFG_GP1_SPEED_100 (1 << 13)
|
|
+#define FE_MDIO_CFG_GP1_SPEED_1000 (2 << 13)
|
|
+#define FE_MDIO_CFG_GP1_DUPLEX BIT(12)
|
|
+#define FE_MDIO_CFG_GP1_FC_TX BIT(11)
|
|
+#define FE_MDIO_CFG_GP1_FC_RX BIT(10)
|
|
+#define FE_MDIO_CFG_GP1_LNK_DWN BIT(9)
|
|
+#define FE_MDIO_CFG_GP1_AN_FAIL BIT(8)
|
|
+#define FE_MDIO_CFG_MDC_CLK_DIV_1 (0 << 6)
|
|
+#define FE_MDIO_CFG_MDC_CLK_DIV_2 (1 << 6)
|
|
+#define FE_MDIO_CFG_MDC_CLK_DIV_4 (2 << 6)
|
|
+#define FE_MDIO_CFG_MDC_CLK_DIV_8 (3 << 6)
|
|
+#define FE_MDIO_CFG_TURBO_MII_FREQ BIT(5)
|
|
+#define FE_MDIO_CFG_TURBO_MII_MODE BIT(4)
|
|
+#define FE_MDIO_CFG_RX_CLK_SKEW_0 (0 << 2)
|
|
+#define FE_MDIO_CFG_RX_CLK_SKEW_200 (1 << 2)
|
|
+#define FE_MDIO_CFG_RX_CLK_SKEW_400 (2 << 2)
|
|
+#define FE_MDIO_CFG_RX_CLK_SKEW_INV (3 << 2)
|
|
+#define FE_MDIO_CFG_TX_CLK_SKEW_0 0
|
|
+#define FE_MDIO_CFG_TX_CLK_SKEW_200 1
|
|
+#define FE_MDIO_CFG_TX_CLK_SKEW_400 2
|
|
+#define FE_MDIO_CFG_TX_CLK_SKEW_INV 3
|
|
+
|
|
+/* uni-cast port */
|
|
+#define FE_GDM1_ICS_EN BIT(22)
|
|
+#define FE_GDM1_TCS_EN BIT(21)
|
|
+#define FE_GDM1_UCS_EN BIT(20)
|
|
+#define FE_GDM1_JMB_EN BIT(19)
|
|
+#define FE_GDM1_STRPCRC BIT(16)
|
|
+#define FE_GDM1_UFRC_P_CPU (0 << 12)
|
|
+#define FE_GDM1_UFRC_P_GDMA1 (1 << 12)
|
|
+#define FE_GDM1_UFRC_P_PPE (6 << 12)
|
|
+
|
|
+/* checksums */
|
|
+#define FE_ICS_GEN_EN BIT(2)
|
|
+#define FE_UCS_GEN_EN BIT(1)
|
|
+#define FE_TCS_GEN_EN BIT(0)
|
|
+
|
|
+/* dma ring */
|
|
+#define FE_PST_DRX_IDX0 BIT(16)
|
|
+#define FE_PST_DTX_IDX3 BIT(3)
|
|
+#define FE_PST_DTX_IDX2 BIT(2)
|
|
+#define FE_PST_DTX_IDX1 BIT(1)
|
|
+#define FE_PST_DTX_IDX0 BIT(0)
|
|
+
|
|
+#define FE_TX_WB_DDONE BIT(6)
|
|
+#define FE_RX_DMA_BUSY BIT(3)
|
|
+#define FE_TX_DMA_BUSY BIT(1)
|
|
+#define FE_RX_DMA_EN BIT(2)
|
|
+#define FE_TX_DMA_EN BIT(0)
|
|
+
|
|
+#define FE_PDMA_SIZE_4DWORDS (0 << 4)
|
|
+#define FE_PDMA_SIZE_8DWORDS (1 << 4)
|
|
+#define FE_PDMA_SIZE_16DWORDS (2 << 4)
|
|
+
|
|
+#define FE_US_CYC_CNT_MASK 0xff
|
|
+#define FE_US_CYC_CNT_SHIFT 0x8
|
|
+#define FE_US_CYC_CNT_DIVISOR 1000000
|
|
+
|
|
+#define RX_DMA_PLEN0(_x) (((_x) >> 16) & 0x3fff)
|
|
+#define RX_DMA_LSO BIT(30)
|
|
+#define RX_DMA_DONE BIT(31)
|
|
+#define RX_DMA_L4VALID BIT(30)
|
|
+
|
|
+struct fe_rx_dma {
|
|
+ unsigned int rxd1;
|
|
+ unsigned int rxd2;
|
|
+ unsigned int rxd3;
|
|
+ unsigned int rxd4;
|
|
+} __packed __aligned(4);
|
|
+
|
|
+#define TX_DMA_PLEN0_MASK ((0x3fff) << 16)
|
|
+#define TX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16)
|
|
+#define TX_DMA_LSO BIT(30)
|
|
+#define TX_DMA_DONE BIT(31)
|
|
+#define TX_DMA_QN(_x) ((_x) << 16)
|
|
+#define TX_DMA_PN(_x) ((_x) << 24)
|
|
+#define TX_DMA_QN_MASK TX_DMA_QN(0x7)
|
|
+#define TX_DMA_PN_MASK TX_DMA_PN(0x7)
|
|
+#define TX_DMA_CHKSUM (0x7 << 29)
|
|
+
|
|
+struct fe_tx_dma {
|
|
+ unsigned int txd1;
|
|
+ unsigned int txd2;
|
|
+ unsigned int txd3;
|
|
+ unsigned int txd4;
|
|
+} __packed __aligned(4);
|
|
+
|
|
+struct fe_priv;
|
|
+
|
|
+struct fe_phy {
|
|
+ struct phy_device *phy[8];
|
|
+ struct device_node *phy_node[8];
|
|
+ const __be32 *phy_fixed[8];
|
|
+ int duplex[8];
|
|
+ int speed[8];
|
|
+ int tx_fc[8];
|
|
+ int rx_fc[8];
|
|
+ spinlock_t lock;
|
|
+
|
|
+ int (*connect)(struct fe_priv *priv);
|
|
+ void (*disconnect)(struct fe_priv *priv);
|
|
+ void (*start)(struct fe_priv *priv);
|
|
+ void (*stop)(struct fe_priv *priv);
|
|
+};
|
|
+
|
|
+struct fe_soc_data
|
|
+{
|
|
+ unsigned char mac[6];
|
|
+ const u32 *reg_table;
|
|
+
|
|
+ void (*reset_fe)(void);
|
|
+ void (*set_mac)(struct fe_priv *priv, unsigned char *mac);
|
|
+ void (*fwd_config)(struct fe_priv *priv);
|
|
+ void (*tx_dma)(struct fe_priv *priv, int idx, int len);
|
|
+ void (*rx_dma)(struct fe_priv *priv, int idx, int len);
|
|
+ int (*switch_init)(struct fe_priv *priv);
|
|
+ int (*switch_config)(struct fe_priv *priv);
|
|
+ void (*port_init)(struct fe_priv *priv, struct device_node *port);
|
|
+ int (*has_carrier)(struct fe_priv *priv);
|
|
+ int (*mdio_init)(struct fe_priv *priv);
|
|
+ void (*mdio_cleanup)(struct fe_priv *priv);
|
|
+ int (*mdio_write)(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
|
|
+ int (*mdio_read)(struct mii_bus *bus, int phy_addr, int phy_reg);
|
|
+ void (*mdio_adjust_link)(struct fe_priv *priv, int port);
|
|
+
|
|
+ void *swpriv;
|
|
+ u32 pdma_glo_cfg;
|
|
+ u32 rx_dly_int;
|
|
+ u32 tx_dly_int;
|
|
+ u32 checksum_bit;
|
|
+
|
|
+ int min_pkt_len;
|
|
+};
|
|
+
|
|
+struct fe_priv
|
|
+{
|
|
+ spinlock_t page_lock;
|
|
+
|
|
+ struct fe_soc_data *soc;
|
|
+ struct net_device *netdev;
|
|
+ struct device *device;
|
|
+ unsigned long sysclk;
|
|
+
|
|
+ struct fe_rx_dma *rx_dma;
|
|
+ struct napi_struct rx_napi;
|
|
+ struct sk_buff *rx_skb[NUM_DMA_DESC];
|
|
+ dma_addr_t rx_phys;
|
|
+
|
|
+ struct fe_tx_dma *tx_dma;
|
|
+ struct tasklet_struct tx_tasklet;
|
|
+ struct sk_buff *tx_skb[NUM_DMA_DESC];
|
|
+ dma_addr_t tx_phys;
|
|
+ unsigned int tx_free_idx;
|
|
+
|
|
+ struct fe_phy *phy;
|
|
+ struct mii_bus *mii_bus;
|
|
+ int mii_irq[PHY_MAX_ADDR];
|
|
+
|
|
+ int link[8];
|
|
+};
|
|
+
|
|
+extern const struct of_device_id of_fe_match[];
|
|
+
|
|
+void fe_w32(u32 val, unsigned reg);
|
|
+u32 fe_r32(unsigned reg);
|
|
+
|
|
+#endif /* FE_ETH_H */
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/soc_mt7620.c
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/soc_mt7620.c 2013-10-08 17:26:47.076172688 +0200
|
|
@@ -0,0 +1,112 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#include <linux/module.h>
|
|
+#include <linux/platform_device.h>
|
|
+
|
|
+#include <asm/mach-ralink/ralink_regs.h>
|
|
+
|
|
+#include "ralink_soc_eth.h"
|
|
+#include "gsw_mt7620a.h"
|
|
+
|
|
+#define MT7620A_CDMA_CSG_CFG 0x400
|
|
+#define MT7620_DMA_VID (MT7620A_CDMA_CSG_CFG | 0x30)
|
|
+#define MT7620A_DMA_2B_OFFSET BIT(31)
|
|
+#define MT7620A_RESET_FE BIT(21)
|
|
+#define MT7620A_RESET_ESW BIT(23)
|
|
+#define MT7620_L4_VALID BIT(23)
|
|
+
|
|
+#define SYSC_REG_RESET_CTRL 0x34
|
|
+#define MAX_RX_LENGTH 1536
|
|
+
|
|
+#define CDMA_ICS_EN BIT(2)
|
|
+#define CDMA_UCS_EN BIT(1)
|
|
+#define CDMA_TCS_EN BIT(0)
|
|
+
|
|
+#define GDMA_ICS_EN BIT(22)
|
|
+#define GDMA_TCS_EN BIT(21)
|
|
+#define GDMA_UCS_EN BIT(20)
|
|
+
|
|
+static const u32 rt5350_reg_table[FE_REG_COUNT] = {
|
|
+ [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
|
|
+ [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
|
|
+ [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
|
|
+ [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
|
|
+ [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
|
|
+ [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
|
|
+ [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
|
|
+ [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
|
|
+ [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
|
|
+ [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
|
|
+ [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
|
|
+ [FE_REG_FE_DMA_VID_BASE] = MT7620_DMA_VID,
|
|
+};
|
|
+
|
|
+static void mt7620_fe_reset(void)
|
|
+{
|
|
+ rt_sysc_w32(MT7620A_RESET_FE | MT7620A_RESET_ESW, SYSC_REG_RESET_CTRL);
|
|
+ rt_sysc_w32(0, SYSC_REG_RESET_CTRL);
|
|
+}
|
|
+
|
|
+static void mt7620_fwd_config(struct fe_priv *priv)
|
|
+{
|
|
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~7, MT7620A_GDMA1_FWD_CFG);
|
|
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN | GDMA_TCS_EN | GDMA_UCS_EN), MT7620A_GDMA1_FWD_CFG);
|
|
+ fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) | (CDMA_ICS_EN | CDMA_UCS_EN | CDMA_TCS_EN), MT7620A_CDMA_CSG_CFG);
|
|
+}
|
|
+
|
|
+static void mt7620_tx_dma(struct fe_priv *priv, int idx, int len)
|
|
+{
|
|
+ if (len)
|
|
+ priv->tx_dma[idx].txd2 = TX_DMA_LSO | TX_DMA_PLEN0(len);
|
|
+ else
|
|
+ priv->tx_dma[idx].txd2 = TX_DMA_LSO | TX_DMA_DONE;
|
|
+}
|
|
+
|
|
+static void mt7620_rx_dma(struct fe_priv *priv, int idx, int len)
|
|
+{
|
|
+ priv->rx_dma[idx].rxd2 = RX_DMA_PLEN0(len);
|
|
+}
|
|
+
|
|
+static struct fe_soc_data mt7620_data = {
|
|
+ .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
|
|
+ .reset_fe = mt7620_fe_reset,
|
|
+ .set_mac = mt7620_set_mac,
|
|
+ .fwd_config = mt7620_fwd_config,
|
|
+ .tx_dma = mt7620_tx_dma,
|
|
+ .rx_dma = mt7620_rx_dma,
|
|
+ .switch_init = mt7620_gsw_probe,
|
|
+ .switch_config = mt7620_gsw_config,
|
|
+ .port_init = mt7620_port_init,
|
|
+ .min_pkt_len = 0,
|
|
+ .reg_table = rt5350_reg_table,
|
|
+ .pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS | MT7620A_DMA_2B_OFFSET,
|
|
+ .rx_dly_int = RT5350_RX_DLY_INT,
|
|
+ .tx_dly_int = RT5350_TX_DLY_INT,
|
|
+ .checksum_bit = MT7620_L4_VALID,
|
|
+ .has_carrier = mt7620a_has_carrier,
|
|
+ .mdio_read = mt7620_mdio_read,
|
|
+ .mdio_write = mt7620_mdio_write,
|
|
+ .mdio_adjust_link = mt7620_mdio_link_adjust,
|
|
+};
|
|
+
|
|
+const struct of_device_id of_fe_match[] = {
|
|
+ { .compatible = "ralink,mt7620a-eth", .data = &mt7620_data },
|
|
+ {},
|
|
+};
|
|
+
|
|
+MODULE_DEVICE_TABLE(of, of_fe_match);
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/soc_rt2880.c
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/soc_rt2880.c 2013-10-08 17:26:47.076172688 +0200
|
|
@@ -0,0 +1,51 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#include <linux/module.h>
|
|
+
|
|
+#include <asm/mach-ralink/ralink_regs.h>
|
|
+
|
|
+#include "ralink_soc_eth.h"
|
|
+#include "mdio_rt2880.h"
|
|
+
|
|
+#define SYSC_REG_RESET_CTRL 0x034
|
|
+#define RT2880_RESET_FE BIT(18)
|
|
+
|
|
+void rt2880_fe_reset(void)
|
|
+{
|
|
+ rt_sysc_w32(RT2880_RESET_FE, SYSC_REG_RESET_CTRL);
|
|
+}
|
|
+
|
|
+struct fe_soc_data rt2880_data = {
|
|
+ .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
|
|
+ .reset_fe = rt2880_fe_reset,
|
|
+ .min_pkt_len = 64,
|
|
+ .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS,
|
|
+ .checksum_bit = RX_DMA_L4VALID,
|
|
+ .rx_dly_int = FE_RX_DLY_INT,
|
|
+ .tx_dly_int = FE_TX_DLY_INT,
|
|
+ .mdio_read = rt2880_mdio_read,
|
|
+ .mdio_write = rt2880_mdio_write,
|
|
+ .mdio_adjust_link = rt2880_mdio_link_adjust,
|
|
+};
|
|
+
|
|
+const struct of_device_id of_fe_match[] = {
|
|
+ { .compatible = "ralink,rt2880-eth", .data = &rt2880_data },
|
|
+ {},
|
|
+};
|
|
+
|
|
+MODULE_DEVICE_TABLE(of, of_fe_match);
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/soc_rt305x.c
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/soc_rt305x.c 2013-10-08 17:26:47.076172688 +0200
|
|
@@ -0,0 +1,113 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#include <linux/module.h>
|
|
+
|
|
+#include <asm/mach-ralink/ralink_regs.h>
|
|
+
|
|
+#include "ralink_soc_eth.h"
|
|
+
|
|
+#define RT305X_RESET_FE BIT(21)
|
|
+#define RT305X_RESET_ESW BIT(23)
|
|
+#define SYSC_REG_RESET_CTRL 0x034
|
|
+
|
|
+static const u32 rt5350_reg_table[FE_REG_COUNT] = {
|
|
+ [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
|
|
+ [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
|
|
+ [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
|
|
+ [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
|
|
+ [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
|
|
+ [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
|
|
+ [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
|
|
+ [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
|
|
+ [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
|
|
+ [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
|
|
+ [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
|
|
+ [FE_REG_FE_DMA_VID_BASE] = 0,
|
|
+};
|
|
+
|
|
+static void rt305x_fe_reset(void)
|
|
+{
|
|
+ rt_sysc_w32(RT305X_RESET_FE, SYSC_REG_RESET_CTRL);
|
|
+ rt_sysc_w32(0, SYSC_REG_RESET_CTRL);
|
|
+}
|
|
+
|
|
+static void rt5350_set_mac(struct fe_priv *priv, unsigned char *mac)
|
|
+{
|
|
+ unsigned long flags;
|
|
+
|
|
+ spin_lock_irqsave(&priv->page_lock, flags);
|
|
+ fe_w32((mac[0] << 8) | mac[1], RT5350_SDM_MAC_ADRH);
|
|
+ fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
|
|
+ RT5350_SDM_MAC_ADRL);
|
|
+ spin_unlock_irqrestore(&priv->page_lock, flags);
|
|
+}
|
|
+
|
|
+static void rt5350_fwd_config(struct fe_priv *priv)
|
|
+{
|
|
+ unsigned long sysclk = priv->sysclk;
|
|
+
|
|
+ if (sysclk) {
|
|
+ sysclk /= FE_US_CYC_CNT_DIVISOR;
|
|
+ sysclk <<= FE_US_CYC_CNT_SHIFT;
|
|
+
|
|
+ fe_w32((fe_r32(FE_FE_GLO_CFG) &
|
|
+ ~(FE_US_CYC_CNT_MASK << FE_US_CYC_CNT_SHIFT)) | sysclk,
|
|
+ FE_FE_GLO_CFG);
|
|
+ }
|
|
+
|
|
+ fe_w32(fe_r32(RT5350_SDM_CFG) & ~0xffff, RT5350_SDM_CFG);
|
|
+ fe_w32(fe_r32(RT5350_SDM_CFG) | RT5350_SDM_ICS_EN | RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN,
|
|
+ RT5350_SDM_CFG);
|
|
+}
|
|
+
|
|
+static void rt5350_fe_reset(void)
|
|
+{
|
|
+ rt_sysc_w32(RT305X_RESET_FE | RT305X_RESET_ESW, SYSC_REG_RESET_CTRL);
|
|
+ rt_sysc_w32(0, SYSC_REG_RESET_CTRL);
|
|
+}
|
|
+
|
|
+static struct fe_soc_data rt3050_data = {
|
|
+ .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
|
|
+ .reset_fe = rt305x_fe_reset,
|
|
+ .min_pkt_len = 64,
|
|
+ .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS,
|
|
+ .checksum_bit = RX_DMA_L4VALID,
|
|
+ .rx_dly_int = FE_RX_DLY_INT,
|
|
+ .tx_dly_int = FE_TX_DLY_INT,
|
|
+};
|
|
+
|
|
+static struct fe_soc_data rt5350_data = {
|
|
+ .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
|
|
+ .reg_table = rt5350_reg_table,
|
|
+ .reset_fe = rt5350_fe_reset,
|
|
+ .set_mac = rt5350_set_mac,
|
|
+ .fwd_config = rt5350_fwd_config,
|
|
+ .min_pkt_len = 64,
|
|
+ .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS,
|
|
+ .checksum_bit = RX_DMA_L4VALID,
|
|
+ .rx_dly_int = RT5350_RX_DLY_INT,
|
|
+ .tx_dly_int = RT5350_TX_DLY_INT,
|
|
+};
|
|
+
|
|
+const struct of_device_id of_fe_match[] = {
|
|
+ { .compatible = "ralink,rt3050-eth", .data = &rt3050_data },
|
|
+ { .compatible = "ralink,rt5350-eth", .data = &rt5350_data },
|
|
+ {},
|
|
+};
|
|
+
|
|
+MODULE_DEVICE_TABLE(of, of_fe_match);
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/soc_rt3883.c
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/soc_rt3883.c 2013-10-08 17:26:47.076172688 +0200
|
|
@@ -0,0 +1,60 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; version 2 of the License
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#include <linux/module.h>
|
|
+
|
|
+#include <asm/mach-ralink/ralink_regs.h>
|
|
+
|
|
+#include "ralink_soc_eth.h"
|
|
+#include "mdio_rt2880.h"
|
|
+
|
|
+#define RT3883_SYSC_REG_RSTCTRL 0x34
|
|
+#define RT3883_RSTCTRL_FE BIT(21)
|
|
+
|
|
+static void rt3883_fe_reset(void)
|
|
+{
|
|
+ u32 t;
|
|
+
|
|
+ t = rt_sysc_r32(RT3883_SYSC_REG_RSTCTRL);
|
|
+ t |= RT3883_RSTCTRL_FE;
|
|
+ rt_sysc_w32(t , RT3883_SYSC_REG_RSTCTRL);
|
|
+
|
|
+ t &= ~RT3883_RSTCTRL_FE;
|
|
+ rt_sysc_w32(t, RT3883_SYSC_REG_RSTCTRL);
|
|
+}
|
|
+
|
|
+static struct fe_soc_data rt3883_data = {
|
|
+ .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
|
|
+ .reset_fe = rt3883_fe_reset,
|
|
+ .min_pkt_len = 64,
|
|
+ .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS,
|
|
+ .rx_dly_int = FE_RX_DLY_INT,
|
|
+ .tx_dly_int = FE_TX_DLY_INT,
|
|
+ .checksum_bit = RX_DMA_L4VALID,
|
|
+ .mdio_read = rt2880_mdio_read,
|
|
+ .mdio_write = rt2880_mdio_write,
|
|
+ .mdio_adjust_link = rt2880_mdio_link_adjust,
|
|
+ .port_init = rt2880_port_init,
|
|
+};
|
|
+
|
|
+const struct of_device_id of_fe_match[] = {
|
|
+ { .compatible = "ralink,rt3883-eth", .data = &rt3883_data },
|
|
+ {},
|
|
+};
|
|
+
|
|
+MODULE_DEVICE_TABLE(of, of_fe_match);
|
|
+
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/mt7530.c
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/mt7530.c 2013-10-08 17:29:27.020179572 +0200
|
|
@@ -0,0 +1,456 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or
|
|
+ * modify it under the terms of the GNU General Public License
|
|
+ * as published by the Free Software Foundation; either version 2
|
|
+ * of the License, or (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#include <linux/if.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/list.h>
|
|
+#include <linux/if_ether.h>
|
|
+#include <linux/skbuff.h>
|
|
+#include <linux/netdevice.h>
|
|
+#include <linux/netlink.h>
|
|
+#include <linux/bitops.h>
|
|
+#include <net/genetlink.h>
|
|
+#include <linux/switch.h>
|
|
+#include <linux/delay.h>
|
|
+#include <linux/phy.h>
|
|
+#include <linux/netdevice.h>
|
|
+#include <linux/etherdevice.h>
|
|
+#include <linux/lockdep.h>
|
|
+#include <linux/workqueue.h>
|
|
+#include <linux/of_device.h>
|
|
+
|
|
+#include "mt7530.h"
|
|
+
|
|
+#define MT7530_CPU_PORT 6
|
|
+#define MT7530_NUM_PORTS 7
|
|
+#define MT7530_NUM_VLANS 16
|
|
+#define MT7530_NUM_VIDS 16
|
|
+
|
|
+#define REG_ESW_VLAN_VTCR 0x90
|
|
+#define REG_ESW_VLAN_VAWD1 0x94
|
|
+#define REG_ESW_VLAN_VAWD2 0x98
|
|
+
|
|
+enum {
|
|
+ /* Global attributes. */
|
|
+ MT7530_ATTR_ENABLE_VLAN,
|
|
+};
|
|
+
|
|
+struct mt7530_port {
|
|
+ u16 pvid;
|
|
+};
|
|
+
|
|
+struct mt7530_vlan {
|
|
+ u8 ports;
|
|
+};
|
|
+
|
|
+struct mt7530_priv {
|
|
+ void __iomem *base;
|
|
+ struct mii_bus *bus;
|
|
+ struct switch_dev swdev;
|
|
+
|
|
+ bool global_vlan_enable;
|
|
+ struct mt7530_vlan vlans[MT7530_NUM_VLANS];
|
|
+ struct mt7530_port ports[MT7530_NUM_PORTS];
|
|
+};
|
|
+
|
|
+struct mt7530_mapping {
|
|
+ char *name;
|
|
+ u8 pvids[6];
|
|
+ u8 vlans[8];
|
|
+} mt7530_defaults[] = {
|
|
+ {
|
|
+ .name = "llllw",
|
|
+ .pvids = { 1, 1, 1, 1, 2, 1 },
|
|
+ .vlans = { 0, 0x4f, 0x50 },
|
|
+ }, {
|
|
+ .name = "wllll",
|
|
+ .pvids = { 2, 1, 1, 1, 1, 1 },
|
|
+ .vlans = { 0, 0x5e, 0x41 },
|
|
+ },
|
|
+};
|
|
+
|
|
+struct mt7530_mapping*
|
|
+mt7530_find_mapping(struct device_node *np)
|
|
+{
|
|
+ const char *map;
|
|
+ int i;
|
|
+
|
|
+ if (of_property_read_string(np, "ralink,port-map", &map))
|
|
+ return NULL;
|
|
+
|
|
+ for (i = 0; i < ARRAY_SIZE(mt7530_defaults); i++)
|
|
+ if (!strcmp(map, mt7530_defaults[i].name))
|
|
+ return &mt7530_defaults[i];
|
|
+
|
|
+ return NULL;
|
|
+}
|
|
+
|
|
+static void
|
|
+mt7530_apply_mapping(struct mt7530_priv *mt7530, struct mt7530_mapping *map)
|
|
+{
|
|
+ int i = 0;
|
|
+
|
|
+ mt7530->global_vlan_enable = 1;
|
|
+
|
|
+ for (i = 0; i < 6; i++)
|
|
+ mt7530->ports[i].pvid = map->pvids[i];
|
|
+ for (i = 0; i < 8; i++)
|
|
+ mt7530->vlans[i].ports = map->vlans[i];
|
|
+}
|
|
+
|
|
+static int
|
|
+mt7530_reset_switch(struct switch_dev *dev)
|
|
+{
|
|
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
|
|
+
|
|
+ memset(priv->ports, 0, sizeof(priv->ports));
|
|
+ memset(priv->vlans, 0, sizeof(priv->vlans));
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+mt7530_get_vlan_enable(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
|
|
+
|
|
+ val->value.i = priv->global_vlan_enable;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+mt7530_set_vlan_enable(struct switch_dev *dev,
|
|
+ const struct switch_attr *attr,
|
|
+ struct switch_val *val)
|
|
+{
|
|
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
|
|
+
|
|
+ priv->global_vlan_enable = val->value.i != 0;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static u32
|
|
+mt7530_r32(struct mt7530_priv *priv, u32 reg)
|
|
+{
|
|
+ if (priv->bus) {
|
|
+ u16 high, low;
|
|
+
|
|
+ mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
|
|
+ low = mdiobus_read(priv->bus, 0x1f, (reg >> 2) & 0xf);
|
|
+ high = mdiobus_read(priv->bus, 0x1f, 0x10);
|
|
+
|
|
+ return (high << 16) | (low & 0xffff);
|
|
+ }
|
|
+
|
|
+ return ioread32(priv->base + reg);
|
|
+}
|
|
+
|
|
+static void
|
|
+mt7530_w32(struct mt7530_priv *priv, u32 reg, u32 val)
|
|
+{
|
|
+ if (priv->bus) {
|
|
+ mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
|
|
+ mdiobus_write(priv->bus, 0x1f, (reg >> 2) & 0xf, val & 0xffff);
|
|
+ mdiobus_write(priv->bus, 0x1f, 0x10, val >> 16);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ iowrite32(val, priv->base + reg);
|
|
+}
|
|
+
|
|
+static void
|
|
+mt7530_vtcr(struct mt7530_priv *priv, u32 cmd, u32 val)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ mt7530_w32(priv, REG_ESW_VLAN_VTCR, BIT(31) | (cmd << 12) | val);
|
|
+
|
|
+ for (i = 0; i < 20; i++) {
|
|
+ u32 val = mt7530_r32(priv, REG_ESW_VLAN_VTCR);
|
|
+
|
|
+ if ((val & BIT(31)) == 0)
|
|
+ break;
|
|
+
|
|
+ udelay(1000);
|
|
+ }
|
|
+ if (i == 20)
|
|
+ printk("mt7530: vtcr timeout\n");
|
|
+}
|
|
+
|
|
+static int
|
|
+mt7530_get_port_pvid(struct switch_dev *dev, int port, int *val)
|
|
+{
|
|
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
|
|
+
|
|
+ if (port >= MT7530_NUM_PORTS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ *val = mt7530_r32(priv, 0x2014 + (0x100 * port));
|
|
+ *val &= 0xff;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+mt7530_set_port_pvid(struct switch_dev *dev, int port, int pvid)
|
|
+{
|
|
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
|
|
+
|
|
+ if (port >= MT7530_NUM_PORTS)
|
|
+ return -1;
|
|
+
|
|
+ priv->ports[port].pvid = pvid;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+mt7530_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
|
|
+{
|
|
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
|
|
+ u32 member;
|
|
+ int i;
|
|
+
|
|
+ val->len = 0;
|
|
+
|
|
+ if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VIDS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ mt7530_vtcr(priv, 0, val->port_vlan);
|
|
+ member = mt7530_r32(priv, REG_ESW_VLAN_VAWD1);
|
|
+ member >>= 16;
|
|
+ member &= 0xff;
|
|
+
|
|
+ for (i = 0; i < MT7530_NUM_PORTS; i++) {
|
|
+ struct switch_port *p;
|
|
+ if (!(member & BIT(i)))
|
|
+ continue;
|
|
+
|
|
+ p = &val->value.ports[val->len++];
|
|
+ p->id = i;
|
|
+ p->flags = 0;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+mt7530_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
|
|
+{
|
|
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
|
|
+ int ports = 0;
|
|
+ int i;
|
|
+
|
|
+ if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VIDS ||
|
|
+ val->len > MT7530_NUM_PORTS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ for (i = 0; i < val->len; i++) {
|
|
+ struct switch_port *p = &val->value.ports[i];
|
|
+
|
|
+ if (p->id >= MT7530_NUM_PORTS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ ports |= BIT(p->id);
|
|
+ }
|
|
+ priv->vlans[val->port_vlan].ports = ports;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+mt7530_apply_config(struct switch_dev *dev)
|
|
+{
|
|
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
|
|
+ int i;
|
|
+
|
|
+ if (!priv->global_vlan_enable) {
|
|
+ mt7530_w32(priv, 0x2004, 0xff000);
|
|
+ mt7530_w32(priv, 0x2104, 0xff000);
|
|
+ mt7530_w32(priv, 0x2204, 0xff000);
|
|
+ mt7530_w32(priv, 0x2304, 0xff000);
|
|
+ mt7530_w32(priv, 0x2404, 0xff000);
|
|
+ mt7530_w32(priv, 0x2504, 0xff000);
|
|
+ mt7530_w32(priv, 0x2604, 0xff000);
|
|
+ mt7530_w32(priv, 0x2010, 0x810000c);
|
|
+ mt7530_w32(priv, 0x2110, 0x810000c);
|
|
+ mt7530_w32(priv, 0x2210, 0x810000c);
|
|
+ mt7530_w32(priv, 0x2310, 0x810000c);
|
|
+ mt7530_w32(priv, 0x2410, 0x810000c);
|
|
+ mt7530_w32(priv, 0x2510, 0x810000c);
|
|
+ mt7530_w32(priv, 0x2610, 0x810000c);
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ // LAN/WAN ports as security mode
|
|
+ mt7530_w32(priv, 0x2004, 0xff0003);
|
|
+ mt7530_w32(priv, 0x2104, 0xff0003);
|
|
+ mt7530_w32(priv, 0x2204, 0xff0003);
|
|
+ mt7530_w32(priv, 0x2304, 0xff0003);
|
|
+ mt7530_w32(priv, 0x2404, 0xff0003);
|
|
+ mt7530_w32(priv, 0x2504, 0xff0003);
|
|
+ // LAN/WAN ports as transparent port
|
|
+ mt7530_w32(priv, 0x2010, 0x810000c0);
|
|
+ mt7530_w32(priv, 0x2110, 0x810000c0);
|
|
+ mt7530_w32(priv, 0x2210, 0x810000c0);
|
|
+ mt7530_w32(priv, 0x2310, 0x810000c0);
|
|
+ mt7530_w32(priv, 0x2410, 0x810000c0);
|
|
+ mt7530_w32(priv, 0x2510, 0x810000c0);
|
|
+ // set CPU/P7 port as user port
|
|
+ mt7530_w32(priv, 0x2610, 0x81000000);
|
|
+ mt7530_w32(priv, 0x2710, 0x81000000);
|
|
+
|
|
+ mt7530_w32(priv, 0x2604, 0x20ff0003);
|
|
+ mt7530_w32(priv, 0x2704, 0x20ff0003);
|
|
+ mt7530_w32(priv, 0x2610, 0x81000000);
|
|
+
|
|
+ for (i = 0; i < MT7530_NUM_VLANS; i++) {
|
|
+ u8 ports = priv->vlans[i].ports;
|
|
+
|
|
+ if (ports)
|
|
+ mt7530_w32(priv, REG_ESW_VLAN_VAWD1, BIT(30) | (ports << 16) | BIT(0));
|
|
+ else
|
|
+ mt7530_w32(priv, REG_ESW_VLAN_VAWD1, 0);
|
|
+
|
|
+ mt7530_vtcr(priv, 1, i);
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < MT7530_NUM_PORTS; i++)
|
|
+ mt7530_w32(priv, 0x2014 + (0x100 * i), 0x10000 | priv->ports[i].pvid);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+mt7530_get_port_link(struct switch_dev *dev, int port,
|
|
+ struct switch_port_link *link)
|
|
+{
|
|
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
|
|
+ u32 speed, pmsr;
|
|
+
|
|
+ if (port < 0 || port >= MT7530_NUM_PORTS)
|
|
+ return -EINVAL;
|
|
+
|
|
+ pmsr = mt7530_r32(priv, 0x3008 + (0x100 * port));
|
|
+
|
|
+ link->link = pmsr & 1;
|
|
+ link->duplex = (pmsr >> 1) & 1;
|
|
+ speed = (pmsr >> 2) & 3;
|
|
+
|
|
+ switch (speed) {
|
|
+ case 0:
|
|
+ link->speed = SWITCH_PORT_SPEED_10;
|
|
+ break;
|
|
+ case 1:
|
|
+ link->speed = SWITCH_PORT_SPEED_100;
|
|
+ break;
|
|
+ case 2:
|
|
+ case 3: /* forced gige speed can be 2 or 3 */
|
|
+ link->speed = SWITCH_PORT_SPEED_1000;
|
|
+ break;
|
|
+ default:
|
|
+ link->speed = SWITCH_PORT_SPEED_UNKNOWN;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static const struct switch_attr mt7530_global[] = {
|
|
+ {
|
|
+ .type = SWITCH_TYPE_INT,
|
|
+ .name = "enable_vlan",
|
|
+ .description = "VLAN mode (1:enabled)",
|
|
+ .max = 1,
|
|
+ .id = MT7530_ATTR_ENABLE_VLAN,
|
|
+ .get = mt7530_get_vlan_enable,
|
|
+ .set = mt7530_set_vlan_enable,
|
|
+ },
|
|
+};
|
|
+
|
|
+static const struct switch_attr mt7530_port[] = {
|
|
+};
|
|
+
|
|
+static const struct switch_attr mt7530_vlan[] = {
|
|
+};
|
|
+
|
|
+static const struct switch_dev_ops mt7530_ops = {
|
|
+ .attr_global = {
|
|
+ .attr = mt7530_global,
|
|
+ .n_attr = ARRAY_SIZE(mt7530_global),
|
|
+ },
|
|
+ .attr_port = {
|
|
+ .attr = mt7530_port,
|
|
+ .n_attr = ARRAY_SIZE(mt7530_port),
|
|
+ },
|
|
+ .attr_vlan = {
|
|
+ .attr = mt7530_vlan,
|
|
+ .n_attr = ARRAY_SIZE(mt7530_vlan),
|
|
+ },
|
|
+ .get_vlan_ports = mt7530_get_vlan_ports,
|
|
+ .set_vlan_ports = mt7530_set_vlan_ports,
|
|
+ .get_port_pvid = mt7530_get_port_pvid,
|
|
+ .set_port_pvid = mt7530_set_port_pvid,
|
|
+ .get_port_link = mt7530_get_port_link,
|
|
+ .apply_config = mt7530_apply_config,
|
|
+ .reset_switch = mt7530_reset_switch,
|
|
+};
|
|
+
|
|
+int
|
|
+mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus)
|
|
+{
|
|
+ struct switch_dev *swdev;
|
|
+ struct mt7530_priv *mt7530;
|
|
+ struct mt7530_mapping *map;
|
|
+ int ret;
|
|
+
|
|
+ if (bus && bus->phy_map[0x1f]->phy_id != 0x1beef)
|
|
+ return 0;
|
|
+
|
|
+ mt7530 = devm_kzalloc(dev, sizeof(struct mt7530_priv), GFP_KERNEL);
|
|
+ if (!mt7530)
|
|
+ return -ENOMEM;
|
|
+
|
|
+ mt7530->base = base;
|
|
+ mt7530->bus = bus;
|
|
+ mt7530->global_vlan_enable = 1;
|
|
+
|
|
+ swdev = &mt7530->swdev;
|
|
+ swdev->name = "mt7530";
|
|
+ swdev->alias = "mt7530";
|
|
+ swdev->cpu_port = MT7530_CPU_PORT;
|
|
+ swdev->ports = MT7530_NUM_PORTS;
|
|
+ swdev->vlans = MT7530_NUM_VLANS;
|
|
+ swdev->ops = &mt7530_ops;
|
|
+
|
|
+ ret = register_switch(swdev, NULL);
|
|
+ if (ret) {
|
|
+ dev_err(dev, "failed to register mt7530\n");
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
+ dev_info(dev, "loaded mt7530 driver\n");
|
|
+
|
|
+ map = mt7530_find_mapping(dev->of_node);
|
|
+ if (map)
|
|
+ mt7530_apply_mapping(mt7530, map);
|
|
+ mt7530_apply_config(swdev);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
Index: linux-3.10.13/drivers/net/ethernet/ralink/mt7530.h
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.10.13/drivers/net/ethernet/ralink/mt7530.h 2013-10-08 17:29:59.596180829 +0200
|
|
@@ -0,0 +1,20 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or
|
|
+ * modify it under the terms of the GNU General Public License
|
|
+ * as published by the Free Software Foundation; either version 2
|
|
+ * of the License, or (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#ifndef _MT7530_H__
|
|
+#define _MT7530_H__
|
|
+
|
|
+int mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus);
|
|
+
|
|
+#endif
|