uboot-oxnas: re-add IC+ phy driver
KD20 got an IC+ phy, without the driver the phy is not properly initialized resulting in ethernet not working unless being already initialized by the vendor loader. upstream commit 368b4d2b49bbbf379d9334747fbbd2aaaafe4356 drivers: net: remove dead drivers removed icplus.c due to the lack of in-tree users. Partially revert that commit adding back the IC+ driver. Signed-off-by: Daniel Golle <daniel@makrotopia.org> SVN-Revision: 43508
This commit is contained in:
John Crispin
parent
a21c9fd655
commit
60edf49f7b
2 changed files with 130 additions and 0 deletions
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@ -76,6 +76,7 @@
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#define CONFIG_CMD_MII
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#define CONFIG_PHYLIB
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#define CONFIG_PHY_REALTEK
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#define CONFIG_PHY_ICPLUS
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/* spl */
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#ifdef CONFIG_SPL_BUILD
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129
package/boot/uboot-oxnas/patches/200-icplus-phy.patch
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129
package/boot/uboot-oxnas/patches/200-icplus-phy.patch
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@ -0,0 +1,129 @@
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From e719404ee1241af679a51879eaad291bc27e4817 Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Tue, 2 Dec 2014 14:46:05 +0100
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Subject: [PATCH] net/phy: add back icplus driver
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IC+ phy driver was removed due to the lack of users some time ago.
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Add it back, so we can use it.
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---
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drivers/net/phy/Makefile | 1 +
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drivers/net/phy/icplus.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++++
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drivers/net/phy/phy.c | 3 ++
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3 files changed, 84 insertions(+)
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create mode 100644 drivers/net/phy/icplus.c
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--- a/drivers/net/phy/Makefile
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+++ b/drivers/net/phy/Makefile
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@@ -15,6 +15,7 @@ obj-$(CONFIG_PHY_ATHEROS) += atheros.o
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obj-$(CONFIG_PHY_BROADCOM) += broadcom.o
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obj-$(CONFIG_PHY_DAVICOM) += davicom.o
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obj-$(CONFIG_PHY_ET1011C) += et1011c.o
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+obj-$(CONFIG_PHY_ICPLUS) += icplus.o
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obj-$(CONFIG_PHY_LXT) += lxt.o
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obj-$(CONFIG_PHY_MARVELL) += marvell.o
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obj-$(CONFIG_PHY_MICREL) += micrel.o
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--- /dev/null
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+++ b/drivers/net/phy/icplus.c
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@@ -0,0 +1,80 @@
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+/*
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+ * ICPlus PHY drivers
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+ *
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+ * SPDX-License-Identifier: GPL-2.0+
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+ *
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+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
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+ */
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+#include <phy.h>
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+
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+/* IP101A/G - IP1001 */
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+#define IP10XX_SPEC_CTRL_STATUS 16 /* Spec. Control Register */
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+#define IP1001_SPEC_CTRL_STATUS_2 20 /* IP1001 Spec. Control Reg 2 */
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+#define IP1001_PHASE_SEL_MASK 3 /* IP1001 RX/TXPHASE_SEL */
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+#define IP1001_APS_ON 11 /* IP1001 APS Mode bit */
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+#define IP101A_G_APS_ON 2 /* IP101A/G APS Mode bit */
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+#define IP101A_G_IRQ_CONF_STATUS 0x11 /* Conf Info IRQ & Status Reg */
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+#define IP101A_G_IRQ_PIN_USED (1<<15) /* INTR pin used */
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+#define IP101A_G_IRQ_DEFAULT IP101A_G_IRQ_PIN_USED
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+
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+static int ip1001_config(struct phy_device *phydev)
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+{
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+ int c;
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+
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+ /* Enable Auto Power Saving mode */
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+ c = phy_read(phydev, MDIO_DEVAD_NONE, IP1001_SPEC_CTRL_STATUS_2);
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+ if (c < 0)
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+ return c;
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+ c |= IP1001_APS_ON;
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+ c = phy_write(phydev, MDIO_DEVAD_NONE, IP1001_SPEC_CTRL_STATUS_2, c);
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+ if (c < 0)
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+ return c;
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+
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+ /* INTR pin used: speed/link/duplex will cause an interrupt */
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+ c = phy_write(phydev, MDIO_DEVAD_NONE, IP101A_G_IRQ_CONF_STATUS,
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+ IP101A_G_IRQ_DEFAULT);
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+ if (c < 0)
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+ return c;
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+
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+ if (phydev->interface == PHY_INTERFACE_MODE_RGMII) {
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+ /*
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+ * Additional delay (2ns) used to adjust RX clock phase
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+ * at RGMII interface
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+ */
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+ c = phy_read(phydev, MDIO_DEVAD_NONE, IP10XX_SPEC_CTRL_STATUS);
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+ if (c < 0)
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+ return c;
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+
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+ c |= IP1001_PHASE_SEL_MASK;
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+ c = phy_write(phydev, MDIO_DEVAD_NONE, IP10XX_SPEC_CTRL_STATUS,
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+ c);
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+ if (c < 0)
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+ return c;
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+ }
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+
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+ return 0;
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+}
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+
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+static int ip1001_startup(struct phy_device *phydev)
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+{
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+ genphy_update_link(phydev);
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+ genphy_parse_link(phydev);
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+
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+ return 0;
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+}
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+static struct phy_driver IP1001_driver = {
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+ .name = "ICPlus IP1001",
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+ .uid = 0x02430d90,
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+ .mask = 0x0ffffff0,
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+ .features = PHY_GBIT_FEATURES,
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+ .config = &ip1001_config,
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+ .startup = &ip1001_startup,
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+ .shutdown = &genphy_shutdown,
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+};
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+
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+int phy_icplus_init(void)
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+{
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+ phy_register(&IP1001_driver);
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+
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+ return 0;
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+}
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--- a/drivers/net/phy/phy.c
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+++ b/drivers/net/phy/phy.c
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@@ -454,6 +454,9 @@ int phy_init(void)
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#ifdef CONFIG_PHY_ET1011C
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phy_et1011c_init();
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#endif
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+#ifdef CONFIG_PHY_ICPLUS
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+ phy_icplus_init();
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+#endif
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#ifdef CONFIG_PHY_LXT
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phy_lxt_init();
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#endif
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--- a/include/phy.h
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+++ b/include/phy.h
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@@ -225,6 +225,7 @@ int phy_atheros_init(void);
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int phy_broadcom_init(void);
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int phy_davicom_init(void);
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int phy_et1011c_init(void);
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+int phy_icplus_init(void);
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int phy_lxt_init(void);
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int phy_marvell_init(void);
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int phy_micrel_init(void);
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