mpc85xx: add kernel support for the TL-WDR4900 v1 board

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35690 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 571 insertions, 0 deletions

diff --git a/target/linux/mpc85xx/config-3.7 b/target/linux/mpc85xx/config-3.7
index e92c6e6b2c..f3d68dcff6 100644
--- a/target/linux/mpc85xx/config-3.7
+++ b/target/linux/mpc85xx/config-3.7
@@ -258,6 +258,7 @@ CONFIG_SWIOTLB=y
 CONFIG_SYSCTL_EXCEPTION_TRACE=y
 CONFIG_TASK_SIZE=0xc0000000
 CONFIG_TICK_CPU_ACCOUNTING=y
+CONFIG_TL_WDR4900_V1=y
 # CONFIG_TQM8540 is not set
 # CONFIG_TQM8541 is not set
 # CONFIG_TQM8548 is not set
diff --git a/target/linux/mpc85xx/patches-3.7/140-powerpc-85xx-tl-wdr4900-v1-support.patch b/target/linux/mpc85xx/patches-3.7/140-powerpc-85xx-tl-wdr4900-v1-support.patch
new file mode 100644
index 0000000000..970988c16a
--- /dev/null
+++ b/target/linux/mpc85xx/patches-3.7/140-powerpc-85xx-tl-wdr4900-v1-support.patch
@@ -0,0 +1,570 @@
+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 +1,166 @@
++/*
++ * 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";
++*/
++	};
++
++	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 {
++				/* interrupts = <3 1 0 0>; */
++				reg = <0x0>;
++			};
++		};
++
++		enet0: ethernet@b0000 {
++			phy-handle = <&phy0>;
++			phy-connection-type = "rgmii-id";
++		};
++	};
++
++	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=$object/cuboot-tl-wdr4900-v1.o
++	link_address='0x1000000'
++        ;;
+     *-amigaone)
+         link_address='0x800000'
+         ;;
+--- a/arch/powerpc/platforms/85xx/Kconfig
++++ b/arch/powerpc/platforms/85xx/Kconfig
+@@ -147,6 +147,17 @@ config STX_GP3
+ 	select CPM2
+ 	select DEFAULT_UIMAGE
+ 
++config TL_WDR4900_V1
++	bool "TP-Link TL-WDR4900 v1"
++	select DEFAULT_UIMAGE
++	select ARCH_REQUIRE_GPIOLIB
++	select GPIO_MPC8XXX
++	help
++	  This option enables support for the TP-Link TL-WDR4900 v1 board.
++
++	  This board is a Concurrent Dual-Band wireless router with a
++	  Freescale P1014 SoC.
++
+ config TQM8540
+ 	bool "TQ Components TQM8540"
+ 	help
+--- a/arch/powerpc/platforms/85xx/Makefile
++++ b/arch/powerpc/platforms/85xx/Makefile
+@@ -24,6 +24,7 @@ obj-$(CONFIG_P5020_DS)    += p5020_ds.o
+ obj-$(CONFIG_P5040_DS)    += p5040_ds.o corenet_ds.o
+ obj-$(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_SOCRATES)    += socrates.o socrates_fpga_pic.o
+ obj-$(CONFIG_KSI8560)	  += ksi8560.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,
++};