2 * Copyright (C) 2006, 2007 OpenWrt.org
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 #include <linux/autoconf.h>
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/version.h>
32 #include <linux/vlynq.h>
33 #include <linux/leds.h>
34 #include <linux/string.h>
36 #include <asm/addrspace.h>
37 #include <asm/ar7/ar7.h>
38 #include <asm/ar7/gpio.h>
39 #include <asm/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 if ((result = gpio_request(pdata->gpio_bit, "vlynq")))
56 ar7_device_reset(pdata->reset_bit);
58 if ((result = ar7_gpio_disable(pdata->gpio_bit)))
61 if ((result = ar7_gpio_enable(pdata->gpio_bit)))
64 if ((result = gpio_direction_output(pdata->gpio_bit, 0)))
65 goto out_gpio_enabled;
69 gpio_set_value(pdata->gpio_bit, 1);
75 ar7_gpio_disable(pdata->gpio_bit);
77 ar7_device_disable(pdata->reset_bit);
78 gpio_free(pdata->gpio_bit);
83 static void vlynq_off(struct vlynq_device *dev)
85 struct plat_vlynq_data *pdata = dev->dev.platform_data;
86 ar7_gpio_disable(pdata->gpio_bit);
87 gpio_free(pdata->gpio_bit);
88 ar7_device_disable(pdata->reset_bit);
91 static struct resource physmap_flash_resource = {
93 .flags = IORESOURCE_MEM,
98 static struct resource cpmac_low_res[] = {
101 .flags = IORESOURCE_MEM,
102 .start = AR7_REGS_MAC0,
103 .end = AR7_REGS_MAC0 + 0x7ff,
107 .flags = IORESOURCE_IRQ,
113 static struct resource cpmac_high_res[] = {
116 .flags = IORESOURCE_MEM,
117 .start = AR7_REGS_MAC1,
118 .end = AR7_REGS_MAC1 + 0x7ff,
122 .flags = IORESOURCE_IRQ,
128 static struct resource vlynq_low_res[] = {
131 .flags = IORESOURCE_MEM,
132 .start = AR7_REGS_VLYNQ0,
133 .end = AR7_REGS_VLYNQ0 + 0xff,
137 .flags = IORESOURCE_IRQ,
143 .flags = IORESOURCE_MEM,
149 .flags = IORESOURCE_IRQ,
155 static struct resource vlynq_high_res[] = {
158 .flags = IORESOURCE_MEM,
159 .start = AR7_REGS_VLYNQ1,
160 .end = AR7_REGS_VLYNQ1 + 0xff,
164 .flags = IORESOURCE_IRQ,
170 .flags = IORESOURCE_MEM,
176 .flags = IORESOURCE_IRQ,
182 static struct resource usb_res[] = {
185 .flags = IORESOURCE_MEM,
186 .start = AR7_REGS_USB,
187 .end = AR7_REGS_USB + 0xff,
191 .flags = IORESOURCE_IRQ,
197 .flags = IORESOURCE_MEM,
203 static struct physmap_flash_data physmap_flash_data = {
207 static struct plat_cpmac_data cpmac_low_data = {
210 .phy_mask = 0x80000000,
213 static struct plat_cpmac_data cpmac_high_data = {
216 .phy_mask = 0x7fffffff,
219 static struct plat_vlynq_data vlynq_low_data = {
221 .ops.off = vlynq_off,
226 static struct plat_vlynq_data vlynq_high_data = {
228 .ops.off = vlynq_off,
233 static struct platform_device physmap_flash = {
235 .name = "physmap-flash",
236 .dev.platform_data = &physmap_flash_data,
237 .resource = &physmap_flash_resource,
241 static u64 cpmac_dma_mask = DMA_32BIT_MASK;
242 static struct platform_device cpmac_low = {
246 .dma_mask = &cpmac_dma_mask,
247 .coherent_dma_mask = DMA_32BIT_MASK,
248 .platform_data = &cpmac_low_data,
250 .resource = cpmac_low_res,
251 .num_resources = ARRAY_SIZE(cpmac_low_res),
254 static struct platform_device cpmac_high = {
258 .dma_mask = &cpmac_dma_mask,
259 .coherent_dma_mask = DMA_32BIT_MASK,
260 .platform_data = &cpmac_high_data,
262 .resource = cpmac_high_res,
263 .num_resources = ARRAY_SIZE(cpmac_high_res),
266 static struct platform_device vlynq_low = {
269 .dev.platform_data = &vlynq_low_data,
270 .resource = vlynq_low_res,
271 .num_resources = ARRAY_SIZE(vlynq_low_res),
274 static struct platform_device vlynq_high = {
277 .dev.platform_data = &vlynq_high_data,
278 .resource = vlynq_high_res,
279 .num_resources = ARRAY_SIZE(vlynq_high_res),
283 /* This is proper way to define uart ports, but they are then detected
284 * as xscale and, obviously, don't work...
286 #if !defined(CONFIG_SERIAL_8250)
288 static struct plat_serial8250_port uart0_data = {
289 .mapbase = AR7_REGS_UART0,
290 .irq = AR7_IRQ_UART0,
293 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
296 static struct plat_serial8250_port uart1_data = {
297 .mapbase = UR8_REGS_UART1,
298 .irq = AR7_IRQ_UART1,
301 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
304 static struct plat_serial8250_port uart_data[] = {
310 static struct plat_serial8250_port uart_data_single[] = {
315 static struct platform_device uart = {
317 .name = "serial8250",
318 .dev.platform_data = uart_data_single
322 static struct gpio_led default_leds[] = {
323 { .name = "status", .gpio = 8, .active_low = 1, },
326 static struct gpio_led dsl502t_leds[] = {
327 { .name = "status", .gpio = 9, .active_low = 1, },
328 { .name = "ethernet", .gpio = 7, .active_low = 1, },
329 { .name = "usb", .gpio = 12, .active_low = 1, },
332 static struct gpio_led dg834g_leds[] = {
333 { .name = "ppp", .gpio = 6, .active_low = 1, },
334 { .name = "status", .gpio = 7, .active_low = 1, },
335 { .name = "adsl", .gpio = 8, .active_low = 1, },
336 { .name = "wifi", .gpio = 12, .active_low = 1, },
337 { .name = "power", .gpio = 14, .active_low = 1, .default_trigger = "default-on", },
340 static struct gpio_led fb_sl_leds[] = {
341 { .name = "1", .gpio = 7, },
342 { .name = "2", .gpio = 13, .active_low = 1, },
343 { .name = "3", .gpio = 10, .active_low = 1, },
344 { .name = "4", .gpio = 12, .active_low = 1, },
345 { .name = "5", .gpio = 9, .active_low = 1, },
348 static struct gpio_led fb_fon_leds[] = {
349 { .name = "1", .gpio = 8, },
350 { .name = "2", .gpio = 3, .active_low = 1, },
351 { .name = "3", .gpio = 5, },
352 { .name = "4", .gpio = 4, .active_low = 1, },
353 { .name = "5", .gpio = 11, .active_low = 1, },
356 static struct gpio_led_platform_data ar7_led_data;
358 static struct platform_device ar7_gpio_leds = {
362 .platform_data = &ar7_led_data,
366 static struct platform_device ar7_udc = {
370 .num_resources = ARRAY_SIZE(usb_res),
373 static inline unsigned char char2hex(char h)
376 case '0': case '1': case '2': case '3': case '4':
377 case '5': case '6': case '7': case '8': case '9':
379 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
381 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
388 static void cpmac_get_mac(int instance, unsigned char *dev_addr)
391 char name[5], default_mac[] = "00:00:00:12:34:56", *mac;
394 sprintf(name, "mac%c", 'a' + instance);
395 mac = prom_getenv(name);
397 sprintf(name, "mac%c", 'a');
398 mac = prom_getenv(name);
402 for (i = 0; i < 6; i++)
403 dev_addr[i] = (char2hex(mac[i * 3]) << 4) +
404 char2hex(mac[i * 3 + 1]);
407 static void __init detect_leds(void)
409 char *prId, *usb_prod;
412 ar7_led_data.num_leds = ARRAY_SIZE(default_leds);
413 ar7_led_data.leds = default_leds;
415 /* FIXME: the whole thing is unreliable */
416 prId = prom_getenv("ProductID");
417 usb_prod = prom_getenv("usb_prod");
419 /* If we can't get the product id from PROM, use the default LEDs */
423 if (strstr(prId, "Fritz_Box_FON")) {
424 ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds);
425 ar7_led_data.leds = fb_fon_leds;
426 } else if (strstr(prId, "Fritz_Box_")) {
427 ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds);
428 ar7_led_data.leds = fb_sl_leds;
429 } else if ((!strcmp(prId, "AR7RD") || !strcmp(prId, "AR7DB")) && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) {
430 ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds);
431 ar7_led_data.leds = dsl502t_leds;
432 } else if (strstr(prId, "DG834")) {
433 ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds);
434 ar7_led_data.leds = dg834g_leds;
438 static int __init ar7_register_devices(void)
442 #ifdef CONFIG_SERIAL_8250
444 static struct uart_port uart_port[2];
446 memset(uart_port, 0, sizeof(struct uart_port) * 2);
448 uart_port[0].type = PORT_AR7;
449 uart_port[0].line = 0;
450 uart_port[0].irq = AR7_IRQ_UART0;
451 uart_port[0].uartclk = ar7_bus_freq() / 2;
452 uart_port[0].iotype = UPIO_MEM;
453 uart_port[0].mapbase = AR7_REGS_UART0;
454 uart_port[0].membase = ioremap(uart_port[0].mapbase, 256);
455 uart_port[0].regshift = 2;
456 res = early_serial_setup(&uart_port[0]);
461 /* Only TNETD73xx have a second serial port */
462 if (ar7_has_second_uart()) {
463 uart_port[1].type = PORT_AR7;
464 uart_port[1].line = 1;
465 uart_port[1].irq = AR7_IRQ_UART1;
466 uart_port[1].uartclk = ar7_bus_freq() / 2;
467 uart_port[1].iotype = UPIO_MEM;
468 uart_port[1].mapbase = UR8_REGS_UART1;
469 uart_port[1].membase = ioremap(uart_port[1].mapbase, 256);
470 uart_port[1].regshift = 2;
471 res = early_serial_setup(&uart_port[1]);
476 #else /* !CONFIG_SERIAL_8250 */
478 uart_data[0].uartclk = ar7_bus_freq() / 2;
479 uart_data[1].uartclk = uart_data[0].uartclk;
481 /* Only TNETD73xx have a second serial port */
482 if (ar7_has_second_uart())
483 uart.dev.platform_data = uart_data;
485 res = platform_device_register(&uart);
489 #endif /* CONFIG_SERIAL_8250 */
491 res = platform_device_register(&physmap_flash);
495 res = platform_device_register(&vlynq_low);
499 ar7_device_disable(vlynq_low_data.reset_bit);
500 if (ar7_has_high_vlynq()) {
501 ar7_device_disable(vlynq_high_data.reset_bit);
502 res = platform_device_register(&vlynq_high);
507 if (ar7_has_high_cpmac()) {
508 cpmac_get_mac(1, cpmac_high_data.dev_addr);
509 res = platform_device_register(&cpmac_high);
513 cpmac_low_data.phy_mask = 0xffffffff;
516 cpmac_get_mac(0, cpmac_low_data.dev_addr);
517 res = platform_device_register(&cpmac_low);
522 res = platform_device_register(&ar7_gpio_leds);
526 res = platform_device_register(&ar7_udc);
532 arch_initcall(ar7_register_devices);