2 * Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org>
3 * Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <linux/init.h>
21 #include <linux/types.h>
22 #include <linux/module.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/platform_device.h>
26 #include <linux/mtd/physmap.h>
27 #include <linux/serial.h>
28 #include <linux/serial_8250.h>
29 #include <linux/ioport.h>
31 #include <linux/vlynq.h>
32 #include <linux/leds.h>
33 #include <linux/string.h>
34 #include <linux/etherdevice.h>
36 #include <asm/addrspace.h>
37 #include <asm/mach-ar7/ar7.h>
38 #include <asm/mach-ar7/gpio.h>
39 #include <asm/mach-ar7/prom.h>
41 struct plat_vlynq_data {
42 struct plat_vlynq_ops ops;
48 static int vlynq_on(struct vlynq_device *dev)
51 struct plat_vlynq_data *pdata = dev->dev.platform_data;
53 result = gpio_request(pdata->gpio_bit, "vlynq");
57 ar7_device_reset(pdata->reset_bit);
59 result = ar7_gpio_disable(pdata->gpio_bit);
63 result = ar7_gpio_enable(pdata->gpio_bit);
67 result = gpio_direction_output(pdata->gpio_bit, 0);
69 goto out_gpio_enabled;
73 gpio_set_value(pdata->gpio_bit, 1);
79 ar7_gpio_disable(pdata->gpio_bit);
81 ar7_device_disable(pdata->reset_bit);
82 gpio_free(pdata->gpio_bit);
87 static void vlynq_off(struct vlynq_device *dev)
89 struct plat_vlynq_data *pdata = dev->dev.platform_data;
90 ar7_gpio_disable(pdata->gpio_bit);
91 gpio_free(pdata->gpio_bit);
92 ar7_device_disable(pdata->reset_bit);
95 static struct resource physmap_flash_resource = {
97 .flags = IORESOURCE_MEM,
102 static struct resource cpmac_low_res[] = {
105 .flags = IORESOURCE_MEM,
106 .start = AR7_REGS_MAC0,
107 .end = AR7_REGS_MAC0 + 0x7ff,
111 .flags = IORESOURCE_IRQ,
117 static struct resource cpmac_high_res[] = {
120 .flags = IORESOURCE_MEM,
121 .start = AR7_REGS_MAC1,
122 .end = AR7_REGS_MAC1 + 0x7ff,
126 .flags = IORESOURCE_IRQ,
132 static struct resource vlynq_low_res[] = {
135 .flags = IORESOURCE_MEM,
136 .start = AR7_REGS_VLYNQ0,
137 .end = AR7_REGS_VLYNQ0 + 0xff,
141 .flags = IORESOURCE_IRQ,
147 .flags = IORESOURCE_MEM,
153 .flags = IORESOURCE_IRQ,
159 static struct resource vlynq_high_res[] = {
162 .flags = IORESOURCE_MEM,
163 .start = AR7_REGS_VLYNQ1,
164 .end = AR7_REGS_VLYNQ1 + 0xff,
168 .flags = IORESOURCE_IRQ,
174 .flags = IORESOURCE_MEM,
180 .flags = IORESOURCE_IRQ,
186 static struct resource usb_res[] = {
189 .flags = IORESOURCE_MEM,
190 .start = AR7_REGS_USB,
191 .end = AR7_REGS_USB + 0xff,
195 .flags = IORESOURCE_IRQ,
201 .flags = IORESOURCE_MEM,
207 static struct physmap_flash_data physmap_flash_data = {
211 static struct plat_cpmac_data cpmac_low_data = {
214 .phy_mask = 0x80000000,
217 static struct plat_cpmac_data cpmac_high_data = {
220 .phy_mask = 0x7fffffff,
223 static struct plat_vlynq_data vlynq_low_data = {
225 .ops.off = vlynq_off,
230 static struct plat_vlynq_data vlynq_high_data = {
232 .ops.off = vlynq_off,
237 static struct platform_device physmap_flash = {
239 .name = "physmap-flash",
240 .dev.platform_data = &physmap_flash_data,
241 .resource = &physmap_flash_resource,
245 static u64 cpmac_dma_mask = DMA_32BIT_MASK;
246 static struct platform_device cpmac_low = {
250 .dma_mask = &cpmac_dma_mask,
251 .coherent_dma_mask = DMA_32BIT_MASK,
252 .platform_data = &cpmac_low_data,
254 .resource = cpmac_low_res,
255 .num_resources = ARRAY_SIZE(cpmac_low_res),
258 static struct platform_device cpmac_high = {
262 .dma_mask = &cpmac_dma_mask,
263 .coherent_dma_mask = DMA_32BIT_MASK,
264 .platform_data = &cpmac_high_data,
266 .resource = cpmac_high_res,
267 .num_resources = ARRAY_SIZE(cpmac_high_res),
270 static struct platform_device vlynq_low = {
273 .dev.platform_data = &vlynq_low_data,
274 .resource = vlynq_low_res,
275 .num_resources = ARRAY_SIZE(vlynq_low_res),
278 static struct platform_device vlynq_high = {
281 .dev.platform_data = &vlynq_high_data,
282 .resource = vlynq_high_res,
283 .num_resources = ARRAY_SIZE(vlynq_high_res),
287 static struct gpio_led default_leds[] = {
295 static struct gpio_led dsl502t_leds[] = {
313 static struct gpio_led dg834g_leds[] = {
338 .default_trigger = "default-on",
342 static struct gpio_led fb_sl_leds[] = {
369 static struct gpio_led fb_fon_leds[] = {
395 static struct gpio_led_platform_data ar7_led_data;
397 static struct platform_device ar7_gpio_leds = {
401 .platform_data = &ar7_led_data,
405 static struct platform_device ar7_udc = {
409 .num_resources = ARRAY_SIZE(usb_res),
412 static inline unsigned char char2hex(char h)
415 case '0': case '1': case '2': case '3': case '4':
416 case '5': case '6': case '7': case '8': case '9':
418 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
420 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
427 static void cpmac_get_mac(int instance, unsigned char *dev_addr)
430 char name[5], default_mac[ETH_ALEN], *mac;
433 sprintf(name, "mac%c", 'a' + instance);
434 mac = prom_getenv(name);
436 sprintf(name, "mac%c", 'a');
437 mac = prom_getenv(name);
440 random_ether_addr(default_mac);
443 for (i = 0; i < 6; i++)
444 dev_addr[i] = (char2hex(mac[i * 3]) << 4) +
445 char2hex(mac[i * 3 + 1]);
448 static void __init detect_leds(void)
450 char *prid, *usb_prod;
453 ar7_led_data.num_leds = ARRAY_SIZE(default_leds);
454 ar7_led_data.leds = default_leds;
456 /* FIXME: the whole thing is unreliable */
457 prid = prom_getenv("ProductID");
458 usb_prod = prom_getenv("usb_prod");
460 /* If we can't get the product id from PROM, use the default LEDs */
464 if (strstr(prid, "Fritz_Box_FON")) {
465 ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds);
466 ar7_led_data.leds = fb_fon_leds;
467 } else if (strstr(prid, "Fritz_Box_")) {
468 ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds);
469 ar7_led_data.leds = fb_sl_leds;
470 } else if ((!strcmp(prid, "AR7RD") || !strcmp(prid, "AR7DB"))
471 && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) {
472 ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds);
473 ar7_led_data.leds = dsl502t_leds;
474 } else if (strstr(prid, "DG834")) {
475 ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds);
476 ar7_led_data.leds = dg834g_leds;
480 static int __init ar7_register_devices(void)
483 static struct uart_port uart_port[2];
485 memset(uart_port, 0, sizeof(struct uart_port) * 2);
487 uart_port[0].type = PORT_16550A;
488 uart_port[0].line = 0;
489 uart_port[0].irq = AR7_IRQ_UART0;
490 uart_port[0].uartclk = ar7_bus_freq() / 2;
491 uart_port[0].iotype = UPIO_MEM32;
492 uart_port[0].mapbase = AR7_REGS_UART0;
493 uart_port[0].membase = ioremap(uart_port[0].mapbase, 256);
494 uart_port[0].regshift = 2;
495 res = early_serial_setup(&uart_port[0]);
500 /* Only TNETD73xx have a second serial port */
501 if (ar7_has_second_uart()) {
502 uart_port[1].type = PORT_16550A;
503 uart_port[1].line = 1;
504 uart_port[1].irq = AR7_IRQ_UART1;
505 uart_port[1].uartclk = ar7_bus_freq() / 2;
506 uart_port[1].iotype = UPIO_MEM32;
507 uart_port[1].mapbase = UR8_REGS_UART1;
508 uart_port[1].membase = ioremap(uart_port[1].mapbase, 256);
509 uart_port[1].regshift = 2;
510 res = early_serial_setup(&uart_port[1]);
515 res = platform_device_register(&physmap_flash);
519 ar7_device_disable(vlynq_low_data.reset_bit);
520 res = platform_device_register(&vlynq_low);
524 if (ar7_has_high_vlynq()) {
525 ar7_device_disable(vlynq_high_data.reset_bit);
526 res = platform_device_register(&vlynq_high);
531 if (ar7_has_high_cpmac()) {
532 cpmac_get_mac(1, cpmac_high_data.dev_addr);
533 res = platform_device_register(&cpmac_high);
537 cpmac_low_data.phy_mask = 0xffffffff;
540 cpmac_get_mac(0, cpmac_low_data.dev_addr);
541 res = platform_device_register(&cpmac_low);
546 res = platform_device_register(&ar7_gpio_leds);
550 res = platform_device_register(&ar7_udc);
554 arch_initcall(ar7_register_devices);