From 406d86e5990ac171f18ef6e2973672d8fbfe1556 Mon Sep 17 00:00:00 2001 From: Gabor Juhos <juhosg@openwrt.org> Date: Wed, 20 Feb 2013 08:40:33 +0100 Subject: [PATCH] powerpc: 85xx: add support for the TP-Link TL-WDR4900 v1 board This patch adds support for the TP-Link TL-WDR4900 v1 concurrent dual-band wireless router. The devices uses the Freescale P1014 SoC. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> --- arch/powerpc/boot/Makefile | 3 + arch/powerpc/boot/cuboot-tl-wdr4900-v1.c | 164 ++++++++++++++++++++++++++ arch/powerpc/boot/dts/tl-wdr4900-v1.dts | 166 +++++++++++++++++++++++++++ arch/powerpc/boot/wrapper | 4 + arch/powerpc/platforms/85xx/Kconfig | 11 ++ arch/powerpc/platforms/85xx/Makefile | 1 + arch/powerpc/platforms/85xx/tl_wdr4900_v1.c | 145 +++++++++++++++++++++++ 7 files changed, 494 insertions(+) create mode 100644 arch/powerpc/boot/cuboot-tl-wdr4900-v1.c create mode 100644 arch/powerpc/boot/dts/tl-wdr4900-v1.dts create mode 100644 arch/powerpc/platforms/85xx/tl_wdr4900_v1.c --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -98,6 +98,8 @@ src-plat-$(CONFIG_EMBEDDED6xx) += cuboot src-plat-$(CONFIG_AMIGAONE) += cuboot-amigaone.c src-plat-$(CONFIG_PPC_PS3) += ps3-head.S ps3-hvcall.S ps3.c src-plat-$(CONFIG_EPAPR_BOOT) += epapr.c +src-plat-$(CONFIG_TL_WDR4900_V1) += cuboot-tl-wdr4900-v1.c + src-wlib := $(sort $(src-wlib-y)) src-plat := $(sort $(src-plat-y)) @@ -278,6 +280,7 @@ image-$(CONFIG_TQM8555) += cuImage.tqm image-$(CONFIG_TQM8560) += cuImage.tqm8560 image-$(CONFIG_SBC8548) += cuImage.sbc8548 image-$(CONFIG_KSI8560) += cuImage.ksi8560 +image-$(CONFIG_TL_WDR4900_V1) += cuImage.tl-wdr4900-v1 # Board ports in arch/powerpc/platform/embedded6xx/Kconfig image-$(CONFIG_STORCENTER) += cuImage.storcenter --- /dev/null +++ b/arch/powerpc/boot/cuboot-tl-wdr4900-v1.c @@ -0,0 +1,164 @@ +/* + * U-Boot compatibility wrapper for the TP-Link TL-WDR4900 v1 board + * + * Copyright (c) 2013 Gabor Juhos <juhosg@openwrt.org> + * + * Based on: + * cuboot-85xx.c + * Author: Scott Wood <scottwood@freescale.com> + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * simpleboot.c + * Authors: Scott Wood <scottwood@freescale.com> + * Grant Likely <grant.likely@secretlab.ca> + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * Copyright (c) 2008 Secret Lab Technologies Ltd. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ops.h" +#include "types.h" +#include "io.h" +#include "stdio.h" +#include <libfdt.h> + +BSS_STACK(4*1024); + +static unsigned long bus_freq; +static unsigned long int_freq; +static u64 mem_size; +static unsigned char enetaddr[6]; + +static void process_boot_dtb(void *boot_dtb) +{ + const u32 *na, *ns, *reg, *val32; + const char *path; + u64 memsize64; + int node, size, i; + + /* Make sure FDT blob is sane */ + if (fdt_check_header(boot_dtb) != 0) + fatal("Invalid device tree blob\n"); + + /* Find the #address-cells and #size-cells properties */ + node = fdt_path_offset(boot_dtb, "/"); + if (node < 0) + fatal("Cannot find root node\n"); + na = fdt_getprop(boot_dtb, node, "#address-cells", &size); + if (!na || (size != 4)) + fatal("Cannot find #address-cells property"); + + ns = fdt_getprop(boot_dtb, node, "#size-cells", &size); + if (!ns || (size != 4)) + fatal("Cannot find #size-cells property"); + + /* Find the memory range */ + node = fdt_node_offset_by_prop_value(boot_dtb, -1, "device_type", + "memory", sizeof("memory")); + if (node < 0) + fatal("Cannot find memory node\n"); + reg = fdt_getprop(boot_dtb, node, "reg", &size); + if (size < (*na+*ns) * sizeof(u32)) + fatal("cannot get memory range\n"); + + /* Only interested in memory based at 0 */ + for (i = 0; i < *na; i++) + if (*reg++ != 0) + fatal("Memory range is not based at address 0\n"); + + /* get the memsize and trucate it to under 4G on 32 bit machines */ + memsize64 = 0; + for (i = 0; i < *ns; i++) + memsize64 = (memsize64 << 32) | *reg++; + if (sizeof(void *) == 4 && memsize64 >= 0x100000000ULL) + memsize64 = 0xffffffff; + + mem_size = memsize64; + + /* get clock frequencies */ + node = fdt_node_offset_by_prop_value(boot_dtb, -1, "device_type", + "cpu", sizeof("cpu")); + if (!node) + fatal("Cannot find cpu node\n"); + + val32 = fdt_getprop(boot_dtb, node, "clock-frequency", &size); + if (!val32 || (size != 4)) + fatal("Cannot get clock frequency"); + + int_freq = *val32; + + val32 = fdt_getprop(boot_dtb, node, "bus-frequency", &size); + if (!val32 || (size != 4)) + fatal("Cannot get bus frequency"); + + bus_freq = *val32; + + path = fdt_get_alias(boot_dtb, "ethernet0"); + if (path) { + const void *p; + + node = fdt_path_offset(boot_dtb, path); + if (node < 0) + fatal("Cannot find ethernet0 node"); + + p = fdt_getprop(boot_dtb, node, "mac-address", &size); + if (!p || (size < 6)) { + printf("no mac-address property, finding local\n\r"); + p = fdt_getprop(boot_dtb, node, "local-mac-address", &size); + } + + if (!p || (size < 6)) + fatal("cannot get MAC addres"); + + memcpy(enetaddr, p, sizeof(enetaddr)); + } +} + +static void platform_fixups(void) +{ + void *soc; + + dt_fixup_memory(0, mem_size); + + dt_fixup_mac_address_by_alias("ethernet0", enetaddr); + dt_fixup_cpu_clocks(int_freq, bus_freq / 8, bus_freq); + + /* Unfortunately, the specific model number is encoded in the + * soc node name in existing dts files -- once that is fixed, + * this can do a simple path lookup. + */ + soc = find_node_by_devtype(NULL, "soc"); + if (soc) { + void *serial = NULL; + + setprop(soc, "bus-frequency", &bus_freq, sizeof(bus_freq)); + + while ((serial = find_node_by_devtype(serial, "serial"))) { + if (get_parent(serial) != soc) + continue; + + setprop(serial, "clock-frequency", &bus_freq, + sizeof(bus_freq)); + } + } +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + mem_size = 64 * 1024 * 1024; + + simple_alloc_init(_end, mem_size - (u32)_end - 1024*1024, 32, 64); + + fdt_init(_dtb_start); + serial_console_init(); + + printf("\n\r-- TL-WDR4900 v1 boot wrapper --\n\r"); + + process_boot_dtb((void *) r3); + + platform_ops.fixups = platform_fixups; +} --- /dev/null +++ b/arch/powerpc/boot/dts/tl-wdr4900-v1.dts @@ -0,0 +1,212 @@ +/* + * TP-Link TL-WDR4900 v1 Device Tree Source + * + * Copyright 2013 Gabor Juhos <juhosg@openwrt.org> + * + * 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. + */ + +/include/ "fsl/p1010si-pre.dtsi" + +/ { + model = "TP-Link TL-WDR4900 v1"; + compatible = "tp-link,TL-WDR4900v1"; + + chosen { + bootargs = "console=ttyS0,115200"; +/* + linux,stdout-path = "/soc@ffe00000/serial@4500"; +*/ + }; + + aliases { + spi0 = &spi0; + }; + + memory { + device_type = "memory"; + }; + + soc: soc@ffe00000 { + ranges = <0x0 0x0 0xffe00000 0x100000>; + + spi0: spi@7000 { + flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "spansion,s25fl129p1"; + reg = <0>; + spi-max-frequency = <25000000>; + + u-boot@0 { + reg = <0x0 0x0050000>; + label = "u-boot"; + read-only; + }; + + dtb@50000 { + reg = <0x00050000 0x00010000>; + label = "dtb"; + read-only; + }; + + kernel@60000 { + reg = <0x00060000 0x002a0000>; + label = "kernel"; + }; + + rootfs@300000 { + reg = <0x00300000 0x00ce0000>; + label = "rootfs"; + }; + + config@fe0000 { + reg = <0x00fe0000 0x00010000>; + label = "config"; + read-only; + }; + + caldata@ff0000 { + reg = <0x00ff0000 0x00010000>; + label = "caldata"; + read-only; + }; + + firmware@60000 { + reg = <0x00060000 0x00f80000>; + label = "firmware"; + }; + }; + }; + + gpio0: gpio-controller@f000 { + }; + + usb@22000 { + phy_type = "utmi"; + dr_mode = "host"; + }; + + mdio@24000 { + phy0: ethernet-phy@0 { + reg = <0x0>; + qca,ar8327-initvals = < + 0x00004 0x07600000 /* PAD0_MODE */ + 0x00008 0x00000000 /* PAD5_MODE */ + 0x0000c 0x01000000 /* PAD6_MODE */ + 0x00010 0x40000000 /* POWER_ON_STRIP */ + 0x00050 0xcf35cf35 /* LED_CTRL0 */ + 0x00054 0xcf35cf35 /* LED_CTRL1 */ + 0x00058 0xcf35cf35 /* LED_CTRL2 */ + 0x0005c 0x03ffff00 /* LED_CTRL3 */ + 0x0007c 0x0000007e /* PORT0_STATUS */ + >; + }; + }; + + mdio@25000 { + status = "disabled"; + }; + + mdio@26000 { + status = "disabled"; + }; + + enet0: ethernet@b0000 { + phy-handle = <&phy0>; + phy-connection-type = "rgmii-id"; + }; + + enet1: ethernet@b1000 { + status = "disabled"; + }; + + enet2: ethernet@b2000 { + status = "disabled"; + }; + + sdhc@2e000 { + status = "disabled"; + }; + + serial1: serial@4600 { + status = "disabled"; + }; + + can0: can@1c000 { + status = "disabled"; + }; + + can1: can@1d000 { + status = "disabled"; + }; + }; + + pci0: pcie@ffe09000 { + reg = <0 0xffe09000 0 0x1000>; + ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x10000>; + pcie@0 { + ranges = <0x2000000 0x0 0xa0000000 + 0x2000000 0x0 0xa0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; + + pci1: pcie@ffe0a000 { + reg = <0 0xffe0a000 0 0x1000>; + ranges = <0x2000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0 0xffc00000 0x0 0x10000>; + pcie@0 { + ranges = <0x2000000 0x0 0x80000000 + 0x2000000 0x0 0x80000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; + + ifc: ifc@ffe1e000 { + status = "disabled"; + }; + + leds { + compatible = "gpio-leds"; + + system { + gpios = <&gpio0 2 1>; /* active low */ + label = "tp-link:blue:system"; + }; + + usb1 { + gpios = <&gpio0 3 1>; /* active low */ + label = "tp-link:green:usb1"; + }; + + usb2 { + gpios = <&gpio0 4 1>; /* active low */ + label = "tp-link:green:usb2"; + }; + }; + + buttons { + compatible = "gpio-keys"; + + reset { + label = "Reset button"; + gpios = <&gpio0 5 1>; /* active low */ + linux,code = <0x198>; /* KEY_RESTART */ + }; + }; +}; + +/include/ "fsl/p1010si-post.dtsi" --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -197,6 +197,10 @@ cuboot*) *-mpc85*|*-tqm85*|*-sbc85*) platformo=$object/cuboot-85xx.o ;; + *-tl-wdr4900-v1) + platformo=$object/cuboot-tl-wdr4900-v1.o + link_address='0x1000000' + ;; *-amigaone) link_address='0x800000' ;; --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -147,6 +147,17 @@ config STX_GP3 select CPM2 select DEFAULT_UIMAGE +config TL_WDR4900_V1 + bool "TP-Link TL-WDR4900 v1" + select DEFAULT_UIMAGE + select ARCH_REQUIRE_GPIOLIB + select GPIO_MPC8XXX + help + This option enables support for the TP-Link TL-WDR4900 v1 board. + + This board is a Concurrent Dual-Band wireless router with a + Freescale P1014 SoC. + config TQM8540 bool "TQ Components TQM8540" help --- a/arch/powerpc/platforms/85xx/Makefile +++ b/arch/powerpc/platforms/85xx/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_T4240_QDS) += t4240_qds.o obj-$(CONFIG_B4_QDS) += b4_qds.o corenet_ds.o obj-$(CONFIG_STX_GP3) += stx_gp3.o obj-$(CONFIG_TQM85xx) += tqm85xx.o +obj-$(CONFIG_TL_WDR4900_V1) += tl_wdr4900_v1.o obj-$(CONFIG_SBC8548) += sbc8548.o obj-$(CONFIG_PPA8548) += ppa8548.o obj-$(CONFIG_SOCRATES) += socrates.o socrates_fpga_pic.o --- /dev/null +++ b/arch/powerpc/platforms/85xx/tl_wdr4900_v1.c @@ -0,0 +1,145 @@ +/* + * TL-WDR4900 v1 board setup + * + * Copyright (c) 2013 Gabor Juhos <juhosg@openwrt.org> + * + * Based on: + * p1010rdb.c: + * P1010RDB Board Setup + * Copyright 2011 Freescale Semiconductor Inc. + * + * 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. + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/of_platform.h> +#include <linux/ath9k_platform.h> +#include <linux/leds.h> + +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <mm/mmu_decl.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/mpic.h> + +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> + +#include "mpc85xx.h" + +void __init tl_wdr4900_v1_pic_init(void) +{ + struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN | + MPIC_SINGLE_DEST_CPU, + 0, 256, " OpenPIC "); + + BUG_ON(mpic == NULL); + + mpic_init(mpic); +} + +#ifdef CONFIG_PCI +static struct gpio_led tl_wdr4900_v1_wmac_leds_gpio[] = { + { + .name = "tp-link:blue:wps", + .gpio = 1, + .active_low = 1, + }, +}; + +static struct ath9k_platform_data tl_wdr4900_v1_wmac0_data = { + .led_pin = 0, + .eeprom_name = "pci_wmac0.eeprom", + .leds = tl_wdr4900_v1_wmac_leds_gpio, + .num_leds = ARRAY_SIZE(tl_wdr4900_v1_wmac_leds_gpio), +}; + +static struct ath9k_platform_data tl_wdr4900_v1_wmac1_data = { + .led_pin = 0, + .eeprom_name = "pci_wmac1.eeprom", +}; + +static void tl_wdr4900_v1_pci_wmac_fixup(struct pci_dev *dev) +{ + if (!machine_is(tl_wdr4900_v1)) + return; + + if (dev->bus->number == 1 && + PCI_SLOT(dev->devfn) == 0) { + dev->dev.platform_data = &tl_wdr4900_v1_wmac0_data; + return; + } + + if (dev->bus->number == 3 && + PCI_SLOT(dev->devfn) == 0 && + dev->device == 0xabcd) { + dev->dev.platform_data = &tl_wdr4900_v1_wmac1_data; + + /* + * The PCI header of the AR9381 chip is not programmed + * correctly by the bootloader and the device uses wrong + * data due to that. Replace the broken values with the + * correct ones. + */ + dev->device = 0x30; + dev->class = 0x028000; + + pr_info("pci %s: AR9381 fixup applied\n", pci_name(dev)); + } +} + +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, + tl_wdr4900_v1_pci_wmac_fixup); +#endif /* CONFIG_PCI */ + +/* + * Setup the architecture + */ +static void __init tl_wdr4900_v1_setup_arch(void) +{ + if (ppc_md.progress) + ppc_md.progress("tl_wdr4900_v1_setup_arch()", 0); + + fsl_pci_assign_primary(); + + printk(KERN_INFO "TL-WDR4900 v1 board from TP-Link\n"); +} + +machine_arch_initcall(tl_wdr4900_v1, mpc85xx_common_publish_devices); +machine_arch_initcall(tl_wdr4900_v1, swiotlb_setup_bus_notifier); + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init tl_wdr4900_v1_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (of_flat_dt_is_compatible(root, "tp-link,TL-WDR4900v1")) + return 1; + + return 0; +} + +define_machine(tl_wdr4900_v1) { + .name = "Freescale P1014", + .probe = tl_wdr4900_v1_probe, + .setup_arch = tl_wdr4900_v1_setup_arch, + .init_IRQ = tl_wdr4900_v1_pic_init, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +};