several cleanups for ifxmips. removes all code that has not been cleaned up properly
[openwrt/openwrt.git] / target / linux / ifxmips / files / arch / mips / ifxmips / board.c
index 28f2e263c143c71a5058ed2957bb456209e4b80c..364d33baa794802853be7d634f7c3d8adf8cfb71 100644 (file)
@@ -13,7 +13,7 @@
  *   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/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/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_BOARD_NAME_LEN             32
 #define MAX_IFXMIPS_DEVS               9
 
-#define BOARD_DANUBE                   "Danube"
-#define BOARD_DANUBE_CHIPID            0x10129083
+#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,
+};
 
-#define BOARD_TWINPASS                 "Twinpass"
-#define BOARD_TWINPASS_CHIPID  0x3012D083
+extern int ifxmips_pci_external_clock;
 
 static unsigned int chiprev;
-static struct platform_device *ifxmips_devs[MAX_IFXMIPS_DEVS];
+static int cmdline_mac;
+char board_name[MAX_BOARD_NAME_LEN + 1] = { 0 };
 
-static struct platform_device
-ifxmips_led[] =
-{
-       {
-               .id = 0,
-               .name = "ifxmips_led",
-       },
+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;
 };
 
-static struct platform_device
-ifxmips_gpio[] =
-{
-       {
-               .id = 0,
-               .name = "ifxmips_gpio",
-       },
-};
+DEFINE_SPINLOCK(ebu_lock);
+EXPORT_SYMBOL_GPL(ebu_lock);
 
-static struct platform_device
-ifxmips_mii[] =
-{
-       {
-               .id = 0,
-               .name = "ifxmips_mii0",
-       },
-};
+static unsigned char ifxmips_ethaddr[6];
+static int ifxmips_brn;
 
-static struct platform_device
-ifxmips_wdt[] =
-{
-       {
-               .id = 0,
-               .name = "ifxmips_wdt",
-       },
+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_asc0[] =
-{
-       {
-               .id = 0,
-               .name = "ifxmips_asc",
-       },
+static struct platform_device ifxmips_gpio = {
+       .id = 0,
+       .name = "ifxmips_gpio",
+       .num_resources = 1,
 };
 
-static struct platform_device
-ifxmips_asc1[] =
-{
-       {
-               .id = 1,
-               .name = "ifxmips_asc",
-       },
+static struct platform_device ifxmips_mii = {
+       .id = 0,
+       .name = "ifxmips_mii0",
+       .dev = {
+               .platform_data = ifxmips_ethaddr,
+       }
 };
 
-static struct physmap_flash_data
-ifxmips_mtd_data = {
-       .width    = 2,
+static struct platform_device ifxmips_wdt = {
+       .id = 0,
+       .name = "ifxmips_wdt",
 };
 
-static struct resource
-ifxmips_mtd_resource = {
+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",
-               .dev = {
-                       .platform_data = &ifxmips_mtd_data,
-               },
-               .num_resources  = 1,
-               .resource   = &ifxmips_mtd_resource,
-       },
+static struct platform_device ifxmips_mtd = {
+       .id = 0,
+       .name = "ifxmips_mtd",
+       .num_resources  = 1,
+       .resource   = &ifxmips_mtd_resource,
 };
 
-#ifdef CONFIG_GPIO_DEVICE
-static struct resource
-ifxmips_gpio_dev_resources[] = {
-       {
-               .name = "gpio",
-               .flags  = 0,
-               .start = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) |
-                       (1 << 4) | (1 << 5) | (1 << 8) | (1 << 9) | (1 << 12),
-               .end = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) |
-                       (1 << 4) | (1 << 5) | (1 << 8) | (1 << 9) | (1 << 12),
-       },
+static struct platform_device ifxmips_gpio_dev = {
+       .name     = "GPIODEV",
+       .id     = -1,
+       .num_resources    =     1,
 };
 
-static struct platform_device
-ifxmips_gpio_dev[] = {
-       {
-               .name     = "GPIODEV",
-               .id     = -1,
-               .num_resources    = ARRAY_SIZE(ifxmips_gpio_dev_resources),
-               .resource   = ifxmips_gpio_dev_resources,
+#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
 
-const char*
-get_system_type(void)
+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 =
 {
-       chiprev = ifxmips_r32(IFXMIPS_MPS_CHIPID);
-       switch(chiprev)
+       .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[] = {
        {
-       case BOARD_DANUBE_CHIPID:
-               return BOARD_DANUBE;
+               /* 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 BOARD_TWINPASS_CHIPID:
-               return BOARD_TWINPASS;
+       case SYSTEM_TWINPASS_CHIPID:
+               return SYSTEM_TWINPASS;
        }
 
        return BOARD_SYSTEM_TYPE;
 }
 
-int __init
-ifxmips_init_devices(void)
+static int __init ifxmips_set_board_type(char *str)
 {
-       int dev = 0;
-
-       ifxmips_devs[dev++] = ifxmips_led;
-       ifxmips_devs[dev++] = ifxmips_gpio;
-       ifxmips_devs[dev++] = ifxmips_mii;
-       ifxmips_devs[dev++] = ifxmips_mtd;
-       ifxmips_devs[dev++] = ifxmips_wdt;
-       //ifxmips_devs[dev++] = ifxmips_asc0;
-       ifxmips_devs[dev++] = ifxmips_asc1;
-#ifdef CONFIG_GPIO_DEVICE
-       ifxmips_devs[dev++] = ifxmips_gpio_dev;
+       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 = ifxmips_find_board();
+
+       chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
+       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
-       return platform_add_devices(ifxmips_devs, dev);
+       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;
+       printk(KERN_INFO "using board definition %s\n", board->name);
+       return platform_add_devices(board->devs, board->num_devs);
 }
 
 arch_initcall(ifxmips_init_devices);