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wifipineapple-openwrt/target/linux/mpc85xx/patches-3.10/140-powerpc-85xx-tl-wdr4900...

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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,
+};
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