/*
- * arch/mips/ifxmips/board.c
- *
* 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
* 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>
- *
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
*/
#include <linux/autoconf.h>
#include <linux/mtd/physmap.h>
#include <linux/kernel.h>
#include <linux/reboot.h>
-#include <linux/platform_device.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/reboot.h>
-#include <asm/time.h>
#include <asm/irq.h>
-#include <asm/io.h>
+#include <asm/ifxmips/ifxmips.h>
+#include <asm/ifxmips/ifxmips_irq.h>
-#define MAX_IFXMIPS_DEVS 5
+#define MAX_BOARD_NAME_LEN 32
+#define MAX_IFXMIPS_DEVS 9
-static struct platform_device *ifxmips_devs[MAX_IFXMIPS_DEVS];
+#define SYSTEM_DANUBE "Danube"
+#define SYSTEM_DANUBE_CHIPID1 0x00129083
+#define SYSTEM_DANUBE_CHIPID2 0x0012B083
-static struct platform_device ifxmips_led[] =
-{
- {
- .id = 0,
- .name = "ifxmips_led",
- },
+#define SYSTEM_TWINPASS "Twinpass"
+#define SYSTEM_TWINPASS_CHIPID 0x0012D083
+
+enum {
+ EASY50712,
+ EASY4010,
+ ARV4519,
};
-static struct platform_device ifxmips_gpio[] =
-{
+extern int ifxmips_pci_external_clock;
+
+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 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[] = {
{
- .id = 0,
- .name = "ifxmips_gpio",
+ .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 ifxmips_mii[] =
+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[] = {
{
- .id = 0,
- .name = "ifxmips_mii0",
+ /* 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)
{
- /*
- * This is where we detect what chip we are running on
- * Currently we support 3 chips
- * 1.) Danube
- * 2.) Twinpass (Danube without dsl phy)
- * 3.) KDbg74 (used for debuging)
- */
+ struct ifxmips_board *board = ifxmips_find_board();
+
+ chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
+ ifxmips_brn = ifxmips_find_brn_block();
+
+ if (!cmdline_mac)
+ random_ether_addr(ifxmips_ethaddr);
- int dev = 0;
+ 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;
+ }
+ }
- /* the following devices are generic for all targets */
+ 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;
- ifxmips_devs[dev++] = ifxmips_led;
- ifxmips_devs[dev++] = ifxmips_gpio;
- ifxmips_devs[dev++] = ifxmips_mii;
+ printk(KERN_INFO "%s: adding %d devs\n",
+ __func__, board->num_devs);
- return platform_add_devices(ifxmips_devs, dev);
+ ifxmips_gpio.resource = &board->reset_resource;
+ ifxmips_gpio_dev.resource = &board->gpiodev_resource;
+ if (board->pci_external_clock)
+ ifxmips_pci_external_clock = 1;
+ printk(KERN_INFO "using board definition %s\n", board->name);
+ return platform_add_devices(board->devs, board->num_devs);
}
arch_initcall(ifxmips_init_devices);
projects / openwrt / openwrt.git / blobdiff