1 files changed, 404 insertions, 0 deletions
diff --git a/target/linux/ifxmips/files-2.6.30/arch/mips/ifxmips/board.c b/target/linux/ifxmips/files-2.6.30/arch/mips/ifxmips/board.c
new file mode 100644
index 000000000..0f084a81b
--- /dev/null
+++ b/target/linux/ifxmips/files-2.6.30/arch/mips/ifxmips/board.c
@@ -0,0 +1,404 @@
+/*
+ *   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.
+ *
+ *   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) 2007 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/autoconf.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/mtd/physmap.h>
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/etherdevice.h>
+#include <linux/reboot.h>
+#include <linux/time.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+
+#include <ifxmips.h>
+#include <ifxmips_irq.h>
+
+#define MAX_BOARD_NAME_LEN		32
+#define MAX_IFXMIPS_DEVS		9
+
+#define SYSTEM_DANUBE			"Danube"
+#define SYSTEM_DANUBE_CHIPID1	0x00129083
+#define SYSTEM_DANUBE_CHIPID2	0x0012B083
+
+#define SYSTEM_TWINPASS			"Twinpass"
+#define SYSTEM_TWINPASS_CHIPID	0x0012D083
+
+enum {
+	EASY50712,
+	EASY4010,
+	ARV4519,
+};
+
+extern int ifxmips_pci_external_clock;
+extern int ifxmips_pci_req_mask;
+
+static unsigned int chiprev;
+static int cmdline_mac;
+char board_name[MAX_BOARD_NAME_LEN + 1] = { 0 };
+
+struct ifxmips_board {
+	int type;
+	char name[32];
+	unsigned int system_type;
+	struct platform_device **devs;
+	struct resource reset_resource;
+	struct resource gpiodev_resource;
+	struct gpio_led *ifxmips_leds;
+	struct gpio_led *gpio_leds;
+	int pci_external_clock;
+	int pci_req_mask;
+	int num_devs;
+};
+
+DEFINE_SPINLOCK(ebu_lock);
+EXPORT_SYMBOL_GPL(ebu_lock);
+
+static unsigned char ifxmips_ethaddr[6];
+static int ifxmips_brn;
+
+static struct gpio_led_platform_data ifxmips_led_data;
+
+static struct platform_device ifxmips_led = {
+	.id = 0,
+	.name = "ifxmips_led",
+	.dev = {
+		.platform_data = (void *) &ifxmips_led_data,
+	}
+};
+
+static struct platform_device ifxmips_gpio = {
+	.id = 0,
+	.name = "ifxmips_gpio",
+	.num_resources = 1,
+};
+
+static struct platform_device ifxmips_mii = {
+	.id = 0,
+	.name = "ifxmips_mii0",
+	.dev = {
+		.platform_data = ifxmips_ethaddr,
+	}
+};
+
+static struct platform_device ifxmips_wdt = {
+	.id = 0,
+	.name = "ifxmips_wdt",
+};
+
+static struct resource ifxmips_mtd_resource = {
+	.start  = IFXMIPS_FLASH_START,
+	.end    = IFXMIPS_FLASH_START + IFXMIPS_FLASH_MAX - 1,
+	.flags  = IORESOURCE_MEM,
+};
+
+static struct platform_device ifxmips_mtd = {
+	.id = 0,
+	.name = "ifxmips_mtd",
+	.num_resources  = 1,
+	.resource   = &ifxmips_mtd_resource,
+};
+
+static struct platform_device ifxmips_gpio_dev = {
+	.name     = "GPIODEV",
+	.id     = -1,
+	.num_resources    =	1,
+};
+
+#ifdef CONFIG_LEDS_GPIO
+static struct gpio_led arv4519_gpio_leds[] = {
+	{ .name = "ifx:green:power", .gpio = 3, .active_low = 1, },
+	{ .name = "ifx:red:power", .gpio = 7, .active_low = 1, },
+	{ .name = "ifx:green:adsl", .gpio = 4, .active_low = 1, },
+	{ .name = "ifx:green:internet", .gpio = 5, .active_low = 1, },
+	{ .name = "ifx:red:internet", .gpio = 8, .active_low = 1, },
+	{ .name = "ifx:green:wlan", .gpio = 6, .active_low = 1, },
+	{ .name = "ifx:green:usbpwr", .gpio = 14, .active_low = 1, },
+	{ .name = "ifx:green:usb", .gpio = 19, .active_low = 1, },
+};
+
+static struct gpio_led_platform_data ifxmips_gpio_led_data;
+
+static struct platform_device ifxmips_gpio_leds = {
+	.name = "leds-gpio",
+	.id = -1,
+	.dev = {
+		.platform_data = (void *) &ifxmips_gpio_led_data,
+	}
+};
+#endif
+
+static struct resource dwc_usb_res[] = {
+	{
+		.name = "dwc_usb_membase",
+		.flags = IORESOURCE_MEM,
+		.start = 0x1E101000,
+		.end = 0x1E101FFF
+	},
+	{
+		.name = "dwc_usb_irq",
+		.flags = IORESOURCE_IRQ,
+		.start = IFXMIPS_USB_INT,
+	}
+};
+
+static struct platform_device dwc_usb =
+{
+	.id = 0,
+	.name = "dwc_usb",
+	.resource = dwc_usb_res,
+	.num_resources = ARRAY_SIZE(dwc_usb_res),
+};
+
+struct platform_device *easy50712_devs[] = {
+	&ifxmips_led, &ifxmips_gpio, &ifxmips_mii,
+	&ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev, &dwc_usb
+};
+
+struct platform_device *easy4010_devs[] = {
+	&ifxmips_led, &ifxmips_gpio, &ifxmips_mii,
+	&ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev, &dwc_usb
+};
+
+struct platform_device *arv5419_devs[] = {
+	&ifxmips_gpio, &ifxmips_mii, &ifxmips_mtd,
+	&ifxmips_gpio_dev, &ifxmips_wdt, &dwc_usb,
+#ifdef CONFIG_LEDS_GPIO
+	&ifxmips_gpio_leds,
+#endif
+};
+
+static struct gpio_led easy50712_leds[] = {
+	{ .name = "ifx:green:test0", .gpio = 0,},
+	{ .name = "ifx:green:test1", .gpio = 1,},
+	{ .name = "ifx:green:test2", .gpio = 2,},
+	{ .name = "ifx:green:test3", .gpio = 3,},
+};
+
+static struct gpio_led easy4010_leds[] = {
+	{ .name = "ifx:green:test0", .gpio = 0,},
+	{ .name = "ifx:green:test1", .gpio = 1,},
+	{ .name = "ifx:green:test2", .gpio = 2,},
+	{ .name = "ifx:green:test3", .gpio = 3,},
+};
+
+static struct ifxmips_board boards[] = {
+	{
+		/* infineon eval kit */
+		.type = EASY50712,
+		.name = "EASY50712",
+		.system_type = SYSTEM_DANUBE_CHIPID1,
+		.devs = easy50712_devs,
+		.reset_resource = {.name = "reset", .start = 1, .end = 15,},
+		.gpiodev_resource = { .name = "gpio",
+			.start = (1 << 0) | (1 << 1),
+			.end = (1 << 0) | (1 << 1)},
+		.ifxmips_leds = easy50712_leds,
+	}, {
+		/* infineon eval kit */
+		.type = EASY4010,
+		.name = "EASY4010",
+		.system_type = SYSTEM_TWINPASS_CHIPID,
+		.devs = easy4010_devs,
+		.reset_resource = {.name = "reset", .start = 1, .end = 15},
+		.gpiodev_resource = { .name = "gpio",
+			.start = (1 << 0) | (1 << 1),
+			.end = (1 << 0) | (1 << 1)},
+		.ifxmips_leds = easy4010_leds,
+	}, {
+		/* arcaydian annex-a board used by thompson, airties, ... */
+		.type = ARV4519,
+		.name = "ARV4519",
+		.system_type = SYSTEM_DANUBE_CHIPID2,
+		.devs = arv5419_devs,
+		.reset_resource = {.name = "reset", .start = 1, .end = 14},
+		.pci_external_clock = 1,
+		.gpio_leds = arv4519_gpio_leds,
+	},
+};
+
+const char *get_system_type(void)
+{
+	chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
+
+	switch (chiprev) {
+	case SYSTEM_DANUBE_CHIPID1:
+	case SYSTEM_DANUBE_CHIPID2:
+		return SYSTEM_DANUBE;
+
+	case SYSTEM_TWINPASS_CHIPID:
+		return SYSTEM_TWINPASS;
+	}
+
+	return BOARD_SYSTEM_TYPE;
+}
+
+static int __init ifxmips_set_board_type(char *str)
+{
+	str = strchr(str, '=');
+	if (!str)
+		goto out;
+	str++;
+	if (strlen(str) > MAX_BOARD_NAME_LEN)
+		goto out;
+	strncpy(board_name, str, MAX_BOARD_NAME_LEN);
+	printk(KERN_INFO "bootloader told us, that this is a %s board\n",
+		board_name);
+out:
+	return 1;
+}
+__setup("ifxmips_board", ifxmips_set_board_type);
+
+static int __init ifxmips_set_ethaddr(char *str)
+{
+#define IS_HEX(x) \
+	(((x >= '0' && x <= '9') || (x >= 'a' && x <= 'f') \
+		|| (x >= 'A' && x <= 'F')) ? (1) : (0))
+	int i;
+	str = strchr(str, '=');
+	if (!str)
+		goto out;
+	str++;
+	if (strlen(str) != 17)
+		goto out;
+	for (i = 0; i < 6; i++) {
+		if (!IS_HEX(str[3 * i]) || !IS_HEX(str[(3 * i) + 1]))
+			goto out;
+		if ((i != 5) && (str[(3 * i) + 2] != ':'))
+			goto out;
+		ifxmips_ethaddr[i] = simple_strtoul(&str[3 * i], NULL, 16);
+	}
+	if (is_valid_ether_addr(ifxmips_ethaddr))
+		cmdline_mac = 1;
+out:
+	return 1;
+}
+__setup("ethaddr", ifxmips_set_ethaddr);
+
+int ifxmips_find_brn_block(void)
+{
+	unsigned char temp[8];
+	memcpy_fromio(temp,
+		(void *)KSEG1ADDR(IFXMIPS_FLASH_START + 0x800000 - 0x10000), 8);
+	if (memcmp(temp, "BRN-BOOT", 8) == 0) {
+		if (!cmdline_mac)
+			memcpy_fromio(ifxmips_ethaddr,
+				(void *)KSEG1ADDR(IFXMIPS_FLASH_START +
+					0x800000 - 0x10000 + 0x16), 6);
+		if (is_valid_ether_addr(ifxmips_ethaddr))
+			cmdline_mac = 1;
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+int ifxmips_has_brn_block(void)
+{
+	return ifxmips_brn;
+}
+EXPORT_SYMBOL(ifxmips_has_brn_block);
+
+struct ifxmips_board *ifxmips_find_board(void)
+{
+	int i;
+	if (!*board_name)
+		return 0;
+	for (i = 0; i < ARRAY_SIZE(boards); i++)
+		if ((boards[i].system_type == chiprev) &&
+		    (!strcmp(boards[i].name, board_name)))
+			return &boards[i];
+	return 0;
+}
+
+int __init ifxmips_init_devices(void)
+{
+	struct ifxmips_board *board;
+
+	chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
+	board = ifxmips_find_board();
+	ifxmips_brn = ifxmips_find_brn_block();
+
+	if (!cmdline_mac)
+		random_ether_addr(ifxmips_ethaddr);
+
+	if (!board) {
+		switch (chiprev) {
+		case SYSTEM_DANUBE_CHIPID1:
+		case SYSTEM_DANUBE_CHIPID2:
+		default:
+			board = &boards[0];
+			break;
+		case SYSTEM_TWINPASS_CHIPID:
+			board = &boards[1];
+			break;
+		}
+	}
+
+	switch (board->type) {
+	case EASY50712:
+		board->num_devs = ARRAY_SIZE(easy50712_devs);
+		ifxmips_led_data.num_leds = ARRAY_SIZE(easy50712_leds);
+		break;
+	case EASY4010:
+		board->num_devs = ARRAY_SIZE(easy4010_devs);
+		ifxmips_led_data.num_leds = ARRAY_SIZE(easy4010_leds);
+		break;
+	case ARV4519:
+		/* set some sane defaults for the gpios */
+		gpio_set_value(3, 0);
+		gpio_set_value(4, 0);
+		gpio_set_value(5, 0);
+		gpio_set_value(6, 0);
+		gpio_set_value(7, 1);
+		gpio_set_value(8, 1);
+		gpio_set_value(19, 0);
+		board->num_devs = ARRAY_SIZE(arv5419_devs);
+#ifdef CONFIG_LEDS_GPIO
+		ifxmips_gpio_led_data.num_leds = ARRAY_SIZE(arv4519_gpio_leds);
+#endif
+		break;
+	}
+#ifdef CONFIG_LEDS_GPIO
+	ifxmips_gpio_led_data.leds = board->gpio_leds;
+#endif
+	ifxmips_led_data.leds = board->ifxmips_leds;
+
+	printk(KERN_INFO "%s: adding %d devs\n",
+		__func__, board->num_devs);
+
+	ifxmips_gpio.resource = &board->reset_resource;
+	ifxmips_gpio_dev.resource = &board->gpiodev_resource;
+	if (board->pci_external_clock)
+		ifxmips_pci_external_clock = 1;
+	if (board->pci_req_mask)
+		ifxmips_pci_req_mask = board->pci_req_mask;
+	printk(KERN_INFO "using board definition %s\n", board->name);
+	return platform_add_devices(board->devs, board->num_devs);
+}
+
+arch_initcall(ifxmips_init_devices);