2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
16 * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
19 #include <linux/autoconf.h>
20 #include <linux/init.h>
21 #include <linux/module.h>
22 #include <linux/types.h>
23 #include <linux/string.h>
24 #include <linux/mtd/physmap.h>
25 #include <linux/kernel.h>
26 #include <linux/reboot.h>
27 #include <linux/platform_device.h>
28 #include <linux/leds.h>
29 #include <linux/etherdevice.h>
30 #include <asm/bootinfo.h>
31 #include <asm/reboot.h>
36 #include <asm/ifxmips/ifxmips.h>
38 #define MAX_BOARD_NAME_LEN 32
39 #define MAX_IFXMIPS_DEVS 9
41 #define SYSTEM_DANUBE "Danube"
42 #define SYSTEM_DANUBE_CHIPID1 0x10129083
43 #define SYSTEM_DANUBE_CHIPID2 0x3012B083
45 #define SYSTEM_TWINPASS "Twinpass"
46 #define SYSTEM_TWINPASS_CHIPID 0x3012D083
54 extern int ifxmips_pci_external_clock;
56 static unsigned int chiprev;
57 static int cmdline_mac = 0;
58 char board_name[MAX_BOARD_NAME_LEN + 1] = { 0 };
60 struct ifxmips_board {
63 unsigned int system_type;
64 struct platform_device **devs;
65 struct resource reset_resource;
66 struct resource gpiodev_resource;
67 struct gpio_led *ifxmips_leds;
68 struct gpio_led *gpio_leds;
69 int pci_external_clock;
73 spinlock_t ebu_lock = SPIN_LOCK_UNLOCKED;
74 EXPORT_SYMBOL_GPL(ebu_lock);
76 static unsigned char ifxmips_mii_mac[6];
77 static int ifxmips_brn = 0;
79 static struct gpio_led_platform_data ifxmips_led_data;
81 static struct platform_device
85 .name = "ifxmips_led",
87 .platform_data = (void *) &ifxmips_led_data,
91 static struct platform_device
95 .name = "ifxmips_gpio",
99 static struct platform_device
103 .name = "ifxmips_mii0",
105 .platform_data = ifxmips_mii_mac,
109 static struct platform_device
113 .name = "ifxmips_wdt",
116 static struct resource
117 ifxmips_mtd_resource = {
118 .start = IFXMIPS_FLASH_START,
119 .end = IFXMIPS_FLASH_START + IFXMIPS_FLASH_MAX - 1,
120 .flags = IORESOURCE_MEM,
123 static struct platform_device
127 .name = "ifxmips_mtd",
129 .resource = &ifxmips_mtd_resource,
132 static struct platform_device
139 #ifdef CONFIG_LEDS_GPIO
140 static struct gpio_led arv4519_gpio_leds[] = {
141 { .name = "ifx:green:power", .gpio = 3, .active_low = 1, },
142 { .name = "ifx:red:power", .gpio = 7, .active_low = 1, },
143 { .name = "ifx:green:adsl", .gpio = 4, .active_low = 1, },
144 { .name = "ifx:green:internet", .gpio = 5, .active_low = 1, },
145 { .name = "ifx:red:internet", .gpio = 8, .active_low = 1, },
146 { .name = "ifx:green:wlan", .gpio = 6, .active_low = 1, },
147 { .name = "ifx:green:usb", .gpio = 19, .active_low = 1, },
150 static struct gpio_led_platform_data ifxmips_gpio_led_data;
152 static struct platform_device ifxmips_gpio_leds = {
156 .platform_data = (void *) &ifxmips_gpio_led_data,
161 struct platform_device *easy50712_devs[] = {
162 &ifxmips_led, &ifxmips_gpio, &ifxmips_mii,
163 &ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev
166 struct platform_device *easy4010_devs[] = {
167 &ifxmips_led, &ifxmips_gpio, &ifxmips_mii,
168 &ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev
171 struct platform_device *arv5419_devs[] = {
172 &ifxmips_gpio, &ifxmips_mii, &ifxmips_mtd, &ifxmips_wdt,
173 #ifdef CONFIG_LEDS_GPIO
178 static struct gpio_led easy50712_leds[] = {
179 { .name = "ifx:green:test0", .gpio = 0,},
180 { .name = "ifx:green:test1", .gpio = 1,},
181 { .name = "ifx:green:test2", .gpio = 2,},
182 { .name = "ifx:green:test3", .gpio = 3,},
185 static struct gpio_led easy4010_leds[] = {
186 { .name = "ifx:green:test0", .gpio = 0,},
187 { .name = "ifx:green:test1", .gpio = 1,},
188 { .name = "ifx:green:test2", .gpio = 2,},
189 { .name = "ifx:green:test3", .gpio = 3,},
192 static struct ifxmips_board boards[] =
197 .system_type = SYSTEM_DANUBE_CHIPID1,
198 .devs = easy50712_devs,
199 .reset_resource = {.name = "reset", .start = 1, .end = 15,},
200 .gpiodev_resource = {.name = "gpio", .start = (1 << 0) | (1 << 1),
201 .end = (1 << 0) | (1 << 1)},
202 .ifxmips_leds = easy50712_leds,
206 .system_type = SYSTEM_TWINPASS_CHIPID,
207 .devs = easy4010_devs,
208 .reset_resource = {.name = "reset", .start = 1, .end = 15},
209 .gpiodev_resource = {.name = "gpio", .start = (1 << 0) | (1 << 1),
210 .end = (1 << 0) | (1 << 1)},
211 .ifxmips_leds = easy4010_leds,
215 .system_type = SYSTEM_DANUBE_CHIPID2,
216 .devs = arv5419_devs,
217 .reset_resource = {.name = "reset", .start = 1, .end = 14},
218 .pci_external_clock = 1,
219 .gpio_leds = arv4519_gpio_leds,
224 get_system_type(void)
226 chiprev = ifxmips_r32(IFXMIPS_MPS_CHIPID);
229 case SYSTEM_DANUBE_CHIPID1:
230 case SYSTEM_DANUBE_CHIPID2:
231 return SYSTEM_DANUBE;
233 case SYSTEM_TWINPASS_CHIPID:
234 return SYSTEM_TWINPASS;
237 return BOARD_SYSTEM_TYPE;
241 ifxmips_set_board_type(char *str)
243 str = strchr(str, '=');
247 if(strlen(str) > MAX_BOARD_NAME_LEN)
249 strncpy(board_name, str, MAX_BOARD_NAME_LEN);
250 printk("bootloader told us, that this is a %s board\n", board_name);
254 __setup("ifxmips_board", ifxmips_set_board_type);
257 ifxmips_set_mii0_mac(char *str)
260 (((x >='0' && x <= '9') || (x >='a' && x <= 'f') || (x >='A' && x <= 'F'))?(1):(0))
262 str = strchr(str, '=');
266 if(strlen(str) != 17)
268 for(i = 0; i < 6; i++)
270 if(!IS_HEX(str[3 * i]) || !IS_HEX(str[(3 * i) + 1]))
272 if((i != 5) && (str[(3 * i) + 2] != ':'))
274 ifxmips_mii_mac[i] = simple_strtoul(&str[3 * i], NULL, 16);
276 if(is_valid_ether_addr(ifxmips_mii_mac))
281 __setup("mii0_mac", ifxmips_set_mii0_mac);
284 ifxmips_find_brn_block(void){
285 unsigned char temp[8];
286 memcpy_fromio(temp, (void*)KSEG1ADDR(IFXMIPS_FLASH_START + 0x800000 - 0x10000), 8);
287 if(memcmp(temp, "BRN-BOOT", 8) == 0)
290 memcpy_fromio(ifxmips_mii_mac, (void*)KSEG1ADDR(IFXMIPS_FLASH_START + 0x800000 - 0x10000 + 0x16), 6);
299 ifxmips_has_brn_block(void)
303 EXPORT_SYMBOL(ifxmips_has_brn_block);
305 struct ifxmips_board*
306 ifxmips_find_board(void)
311 for(i = 0; i < ARRAY_SIZE(boards); i++)
312 if((boards[i].system_type == chiprev) && (!strcmp(boards[i].name, board_name)))
318 ifxmips_init_devices(void)
320 struct ifxmips_board *board = ifxmips_find_board();
322 chiprev = ifxmips_r32(IFXMIPS_MPS_CHIPID);
323 ifxmips_brn = ifxmips_find_brn_block();
326 random_ether_addr(ifxmips_mii_mac);
332 case SYSTEM_DANUBE_CHIPID1:
333 case SYSTEM_DANUBE_CHIPID2:
336 case SYSTEM_TWINPASS_CHIPID:
345 board->num_devs = ARRAY_SIZE(easy50712_devs);
346 ifxmips_led_data.num_leds = ARRAY_SIZE(easy50712_leds);
349 board->num_devs = ARRAY_SIZE(easy4010_devs);
350 ifxmips_led_data.num_leds = ARRAY_SIZE(easy4010_leds);
353 gpio_set_value(3, 0);
354 gpio_set_value(4, 0);
355 gpio_set_value(5, 0);
356 gpio_set_value(6, 0);
357 gpio_set_value(7, 1);
358 gpio_set_value(8, 1);
359 gpio_set_value(19, 0);
360 board->num_devs = ARRAY_SIZE(arv5419_devs);
361 #ifdef CONFIG_LEDS_GPIO
362 ifxmips_gpio_led_data.num_leds = ARRAY_SIZE(arv4519_gpio_leds);
366 #ifdef CONFIG_LEDS_GPIO
367 ifxmips_gpio_led_data.leds = board->gpio_leds;
369 ifxmips_led_data.leds = board->ifxmips_leds;
371 printk("%s:%s[%d]adding %d devs\n", __FILE__, __func__, __LINE__, board->num_devs);
373 ifxmips_gpio.resource = &board->reset_resource;
374 ifxmips_gpio_dev.resource = &board->gpiodev_resource;
375 if(board->pci_external_clock)
376 ifxmips_pci_external_clock = 1;
377 printk("using board definition %s\n", board->name);
378 return platform_add_devices(board->devs, board->num_devs);
381 arch_initcall(ifxmips_init_devices);