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 <linux/reboot.h>
31 #include <linux/time.h>
33 #include <linux/gpio.h>
35 #include <asm/bootinfo.h>
39 #include <ifxmips_irq.h>
41 #define MAX_BOARD_NAME_LEN 32
42 #define MAX_IFXMIPS_DEVS 9
44 #define SYSTEM_DANUBE "Danube"
45 #define SYSTEM_DANUBE_CHIPID1 0x00129083
46 #define SYSTEM_DANUBE_CHIPID2 0x0012B083
48 #define SYSTEM_TWINPASS "Twinpass"
49 #define SYSTEM_TWINPASS_CHIPID 0x0012D083
58 extern int ifxmips_pci_external_clock;
59 extern int ifxmips_pci_req_mask;
61 static unsigned int chiprev;
62 static int cmdline_mac;
63 char board_name[MAX_BOARD_NAME_LEN + 1] = { 0 };
65 struct ifxmips_board {
68 unsigned int system_type;
69 struct platform_device **devs;
70 struct resource reset_resource;
71 struct resource gpiodev_resource;
72 struct gpio_led *ifxmips_leds;
73 struct gpio_led *gpio_leds;
74 int pci_external_clock;
79 DEFINE_SPINLOCK(ebu_lock);
80 EXPORT_SYMBOL_GPL(ebu_lock);
82 extern unsigned char ifxmips_ethaddr[6];
83 static int ifxmips_brn;
85 static struct gpio_led_platform_data ifxmips_led_data;
87 static struct platform_device ifxmips_led = {
89 .name = "ifxmips_led",
91 .platform_data = (void *) &ifxmips_led_data,
95 static struct platform_device ifxmips_gpio = {
97 .name = "ifxmips_gpio",
101 static struct platform_device ifxmips_mii = {
103 .name = "ifxmips_mii0",
105 .platform_data = ifxmips_ethaddr,
109 static struct platform_device ifxmips_wdt = {
111 .name = "ifxmips_wdt",
114 static struct platform_device ifxmips_ebu = {
116 .name = "ifxmips_ebu",
119 static struct resource ifxmips_mtd_resource = {
120 .start = IFXMIPS_FLASH_START,
121 .end = IFXMIPS_FLASH_START + IFXMIPS_FLASH_MAX - 1,
122 .flags = IORESOURCE_MEM,
125 static struct platform_device ifxmips_mtd = {
127 .name = "ifxmips_mtd",
129 .resource = &ifxmips_mtd_resource,
132 static struct platform_device ifxmips_gpio_dev = {
138 #ifdef CONFIG_LEDS_GPIO
139 static struct gpio_led arv4519_gpio_leds[] = {
140 { .name = "ifx:green:power", .gpio = 3, .active_low = 1, },
141 { .name = "ifx:red:power", .gpio = 7, .active_low = 1, },
142 { .name = "ifx:green:adsl", .gpio = 4, .active_low = 1, },
143 { .name = "ifx:green:internet", .gpio = 5, .active_low = 1, },
144 { .name = "ifx:red:internet", .gpio = 8, .active_low = 1, },
145 { .name = "ifx:green:wlan", .gpio = 6, .active_low = 1, },
146 { .name = "ifx:green:usbpwr", .gpio = 14, .active_low = 1, },
147 { .name = "ifx:green:usb", .gpio = 19, .active_low = 1, },
150 static struct gpio_led arv452_gpio_leds[] = {
151 { .name = "ifx:blue:power", .gpio = 3, .active_low = 1, },
152 { .name = "ifx:blue:adsl", .gpio = 4, .active_low = 1, },
153 { .name = "ifx:blue:internet", .gpio = 5, .active_low = 1, },
154 { .name = "ifx:red:power", .gpio = 6, .active_low = 1, },
155 { .name = "ifx:yello:wps", .gpio = 7, .active_low = 1, },
156 { .name = "ifx:red:wps", .gpio = 9, .active_low = 1, },
157 { .name = "ifx:blue:voip", .gpio = 32, .active_low = 1, },
158 { .name = "ifx:blue:fxs1", .gpio = 33, .active_low = 1, },
159 { .name = "ifx:blue:fxs2", .gpio = 34, .active_low = 1, },
160 { .name = "ifx:blue:fxo", .gpio = 35, .active_low = 1, },
161 { .name = "ifx:blue:voice", .gpio = 36, .active_low = 1, },
162 { .name = "ifx:blue:usb", .gpio = 37, .active_low = 1, },
163 { .name = "ifx:blue:wlan", .gpio = 38, .active_low = 1, },
164 { .name = "ifx:red:internet", .gpio = 41, .active_low = 1, },
167 static struct gpio_led_platform_data ifxmips_gpio_led_data;
169 static struct platform_device ifxmips_gpio_leds = {
173 .platform_data = (void *) &ifxmips_gpio_led_data,
178 static struct resource dwc_usb_res[] = {
180 .name = "dwc3884_membase",
181 .flags = IORESOURCE_MEM,
186 .name = "dwc3884_irq",
187 .flags = IORESOURCE_IRQ,
188 .start = IFXMIPS_USB_INT,
192 static struct platform_device dwc_usb =
195 .name = "dwc3884-hcd",
196 .resource = dwc_usb_res,
197 .num_resources = ARRAY_SIZE(dwc_usb_res),
200 struct platform_device *easy50712_devs[] = {
201 &ifxmips_led, &ifxmips_gpio, &ifxmips_mii,
202 &ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev, &dwc_usb
205 struct platform_device *easy4010_devs[] = {
206 &ifxmips_led, &ifxmips_gpio, &ifxmips_mii,
207 &ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev, &dwc_usb
210 struct platform_device *arv5419_devs[] = {
211 &ifxmips_gpio, &ifxmips_mii, &ifxmips_mtd,
212 &ifxmips_gpio_dev, &ifxmips_wdt, &dwc_usb,
213 #ifdef CONFIG_LEDS_GPIO
218 struct platform_device *arv452_devs[] = {
219 &ifxmips_gpio, &ifxmips_mii, &ifxmips_mtd,
220 &ifxmips_gpio_dev, &ifxmips_wdt, &dwc_usb,
222 #ifdef CONFIG_LEDS_GPIO
227 static struct gpio_led easy50712_leds[] = {
228 { .name = "ifx:green:test0", .gpio = 0,},
229 { .name = "ifx:green:test1", .gpio = 1,},
230 { .name = "ifx:green:test2", .gpio = 2,},
231 { .name = "ifx:green:test3", .gpio = 3,},
234 static struct gpio_led easy4010_leds[] = {
235 { .name = "ifx:green:test0", .gpio = 0,},
236 { .name = "ifx:green:test1", .gpio = 1,},
237 { .name = "ifx:green:test2", .gpio = 2,},
238 { .name = "ifx:green:test3", .gpio = 3,},
241 static struct ifxmips_board boards[] = {
243 /* infineon eval kit */
246 .system_type = SYSTEM_DANUBE_CHIPID1,
247 .devs = easy50712_devs,
248 .reset_resource = {.name = "reset", .start = 1, .end = 15,},
249 .gpiodev_resource = { .name = "gpio",
250 .start = (1 << 0) | (1 << 1),
251 .end = (1 << 0) | (1 << 1)},
252 .ifxmips_leds = easy50712_leds,
254 /* infineon eval kit */
257 .system_type = SYSTEM_TWINPASS_CHIPID,
258 .devs = easy4010_devs,
259 .reset_resource = {.name = "reset", .start = 1, .end = 15},
260 .gpiodev_resource = { .name = "gpio",
261 .start = (1 << 0) | (1 << 1),
262 .end = (1 << 0) | (1 << 1)},
263 .ifxmips_leds = easy4010_leds,
265 /* arcaydian annex-a board used by thompson, airties, ... */
268 .system_type = SYSTEM_DANUBE_CHIPID2,
269 .devs = arv5419_devs,
270 .reset_resource = {.name = "reset", .start = 1, .end = 14},
271 .pci_external_clock = 1,
272 #ifdef CONFIG_LEDS_GPIO
273 .gpio_leds = arv4519_gpio_leds,
276 /* arcaydian annex-b board used by airties, arcor */
279 .system_type = SYSTEM_DANUBE_CHIPID2,
281 .reset_resource = {.name = "reset", .start = 1, .end = 14},
282 .pci_external_clock = 1,
283 #ifdef CONFIG_LEDS_GPIO
284 .gpio_leds = arv452_gpio_leds,
289 const char *get_system_type(void)
291 chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
294 case SYSTEM_DANUBE_CHIPID1:
295 case SYSTEM_DANUBE_CHIPID2:
296 return SYSTEM_DANUBE;
298 case SYSTEM_TWINPASS_CHIPID:
299 return SYSTEM_TWINPASS;
302 return BOARD_SYSTEM_TYPE;
305 static int __init ifxmips_set_board_type(char *str)
307 str = strchr(str, '=');
311 if (strlen(str) > MAX_BOARD_NAME_LEN)
313 strncpy(board_name, str, MAX_BOARD_NAME_LEN);
314 printk(KERN_INFO "bootloader told us, that this is a %s board\n",
319 __setup("ifxmips_board", ifxmips_set_board_type);
321 static int __init ifxmips_set_ethaddr(char *str)
324 (((x >= '0' && x <= '9') || (x >= 'a' && x <= 'f') \
325 || (x >= 'A' && x <= 'F')) ? (1) : (0))
327 str = strchr(str, '=');
331 if (strlen(str) != 17)
333 for (i = 0; i < 6; i++) {
334 if (!IS_HEX(str[3 * i]) || !IS_HEX(str[(3 * i) + 1]))
336 if ((i != 5) && (str[(3 * i) + 2] != ':'))
338 ifxmips_ethaddr[i] = simple_strtoul(&str[3 * i], NULL, 16);
340 if (is_valid_ether_addr(ifxmips_ethaddr))
345 __setup("ethaddr", ifxmips_set_ethaddr);
347 int ifxmips_find_brn_block(void)
349 unsigned char temp[8];
351 (void *)KSEG1ADDR(IFXMIPS_FLASH_START + 0x800000 - 0x10000), 8);
352 if (memcmp(temp, "BRN-BOOT", 8) == 0) {
354 memcpy_fromio(ifxmips_ethaddr,
355 (void *)KSEG1ADDR(IFXMIPS_FLASH_START +
356 0x800000 - 0x10000 + 0x16), 6);
357 if (is_valid_ether_addr(ifxmips_ethaddr))
365 int ifxmips_has_brn_block(void)
369 EXPORT_SYMBOL(ifxmips_has_brn_block);
371 struct ifxmips_board *ifxmips_find_board(void)
376 for (i = 0; i < ARRAY_SIZE(boards); i++)
377 if ((boards[i].system_type == chiprev) &&
378 (!strcmp(boards[i].name, board_name)))
383 int __init ifxmips_init_devices(void)
385 struct ifxmips_board *board;
387 chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
388 board = ifxmips_find_board();
389 ifxmips_brn = ifxmips_find_brn_block();
392 random_ether_addr(ifxmips_ethaddr);
396 case SYSTEM_DANUBE_CHIPID1:
397 case SYSTEM_DANUBE_CHIPID2:
401 case SYSTEM_TWINPASS_CHIPID:
407 switch (board->type) {
409 board->num_devs = ARRAY_SIZE(easy50712_devs);
410 ifxmips_led_data.num_leds = ARRAY_SIZE(easy50712_leds);
413 board->num_devs = ARRAY_SIZE(easy4010_devs);
414 ifxmips_led_data.num_leds = ARRAY_SIZE(easy4010_leds);
417 /* set some sane defaults for the gpios */
418 gpio_set_value(3, 0);
419 gpio_set_value(4, 0);
420 gpio_set_value(5, 0);
421 gpio_set_value(6, 0);
422 gpio_set_value(7, 1);
423 gpio_set_value(8, 1);
424 gpio_set_value(19, 0);
425 board->num_devs = ARRAY_SIZE(arv5419_devs);
426 #ifdef CONFIG_LEDS_GPIO
427 ifxmips_gpio_led_data.num_leds = ARRAY_SIZE(arv4519_gpio_leds);
431 /* set some sane defaults for the gpios */
432 board->num_devs = ARRAY_SIZE(arv452_devs);
433 ifxmips_w32(0x8001e7ff, IFXMIPS_EBU_BUSCON1);
434 #ifdef CONFIG_LEDS_GPIO
435 ifxmips_gpio_led_data.num_leds = ARRAY_SIZE(arv452_gpio_leds);
439 #ifdef CONFIG_LEDS_GPIO
440 ifxmips_gpio_led_data.leds = board->gpio_leds;
442 ifxmips_led_data.leds = board->ifxmips_leds;
444 printk(KERN_INFO "%s: adding %d devs\n",
445 __func__, board->num_devs);
447 ifxmips_gpio.resource = &board->reset_resource;
448 ifxmips_gpio_dev.resource = &board->gpiodev_resource;
449 if (board->pci_external_clock)
450 ifxmips_pci_external_clock = 1;
451 if (board->pci_req_mask)
452 ifxmips_pci_req_mask = board->pci_req_mask;
453 printk(KERN_INFO "using board definition %s\n", board->name);
454 return platform_add_devices(board->devs, board->num_devs);
457 arch_initcall(ifxmips_init_devices);