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 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
34 #include <linux/leds.h>
37 #include <asm/addrspace.h>
38 #include <asm/ar7/ar7.h>
39 #include <asm/ar7/gpio.h>
40 #include <asm/ar7/prom.h>
42 struct plat_vlynq_data {
43 struct plat_vlynq_ops ops;
49 static int vlynq_on(struct vlynq_device *dev)
52 struct plat_vlynq_data *pdata = dev->dev.platform_data;
54 if ((result = gpio_request(pdata->gpio_bit, "vlynq")))
57 ar7_device_reset(pdata->reset_bit);
59 if ((result = ar7_gpio_disable(pdata->gpio_bit)))
62 if ((result = ar7_gpio_enable(pdata->gpio_bit)))
65 if ((result = gpio_direction_output(pdata->gpio_bit, 0)))
66 goto out_gpio_enabled;
70 gpio_set_value(pdata->gpio_bit, 1);
76 ar7_gpio_disable(pdata->gpio_bit);
78 ar7_device_disable(pdata->reset_bit);
79 gpio_free(pdata->gpio_bit);
84 static void vlynq_off(struct vlynq_device *dev)
86 struct plat_vlynq_data *pdata = dev->dev.platform_data;
87 ar7_gpio_disable(pdata->gpio_bit);
88 gpio_free(pdata->gpio_bit);
89 ar7_device_disable(pdata->reset_bit);
92 static struct resource physmap_flash_resource = {
94 .flags = IORESOURCE_MEM,
99 static struct resource cpmac_low_res[] = {
102 .flags = IORESOURCE_MEM,
103 .start = AR7_REGS_MAC0,
104 .end = AR7_REGS_MAC0 + 0x7ff,
108 .flags = IORESOURCE_IRQ,
114 static struct resource cpmac_high_res[] = {
117 .flags = IORESOURCE_MEM,
118 .start = AR7_REGS_MAC1,
119 .end = AR7_REGS_MAC1 + 0x7ff,
123 .flags = IORESOURCE_IRQ,
129 static struct resource vlynq_low_res[] = {
132 .flags = IORESOURCE_MEM,
133 .start = AR7_REGS_VLYNQ0,
134 .end = AR7_REGS_VLYNQ0 + 0xff,
138 .flags = IORESOURCE_IRQ,
144 .flags = IORESOURCE_MEM,
150 .flags = IORESOURCE_IRQ,
156 static struct resource vlynq_high_res[] = {
159 .flags = IORESOURCE_MEM,
160 .start = AR7_REGS_VLYNQ1,
161 .end = AR7_REGS_VLYNQ1 + 0xff,
165 .flags = IORESOURCE_IRQ,
171 .flags = IORESOURCE_MEM,
177 .flags = IORESOURCE_IRQ,
183 static struct resource usb_res[] = {
186 .flags = IORESOURCE_MEM,
187 .start = AR7_REGS_USB,
188 .end = AR7_REGS_USB + 0xff,
192 .flags = IORESOURCE_IRQ,
198 .flags = IORESOURCE_MEM,
204 static struct physmap_flash_data physmap_flash_data = {
208 static struct plat_cpmac_data cpmac_low_data = {
211 .phy_mask = 0x80000000,
214 static struct plat_cpmac_data cpmac_high_data = {
217 .phy_mask = 0x7fffffff,
220 static struct plat_vlynq_data vlynq_low_data = {
222 .ops.off = vlynq_off,
227 static struct plat_vlynq_data vlynq_high_data = {
229 .ops.off = vlynq_off,
234 static struct platform_device physmap_flash = {
236 .name = "physmap-flash",
237 .dev.platform_data = &physmap_flash_data,
238 .resource = &physmap_flash_resource,
242 static u64 cpmac_dma_mask = DMA_32BIT_MASK;
243 static struct platform_device cpmac_low = {
247 .dma_mask = &cpmac_dma_mask,
248 .coherent_dma_mask = DMA_32BIT_MASK,
249 .platform_data = &cpmac_low_data,
251 .resource = cpmac_low_res,
252 .num_resources = ARRAY_SIZE(cpmac_low_res),
255 static struct platform_device cpmac_high = {
259 .dma_mask = &cpmac_dma_mask,
260 .coherent_dma_mask = DMA_32BIT_MASK,
261 .platform_data = &cpmac_high_data,
263 .resource = cpmac_high_res,
264 .num_resources = ARRAY_SIZE(cpmac_high_res),
267 static struct platform_device vlynq_low = {
270 .dev.platform_data = &vlynq_low_data,
271 .resource = vlynq_low_res,
272 .num_resources = ARRAY_SIZE(vlynq_low_res),
275 static struct platform_device vlynq_high = {
278 .dev.platform_data = &vlynq_high_data,
279 .resource = vlynq_high_res,
280 .num_resources = ARRAY_SIZE(vlynq_high_res),
284 /* This is proper way to define uart ports, but they are then detected
285 * as xscale and, obviously, don't work...
287 #if !defined(CONFIG_SERIAL_8250)
289 static struct plat_serial8250_port uart0_data = {
290 .mapbase = AR7_REGS_UART0,
291 .irq = AR7_IRQ_UART0,
294 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
297 static struct plat_serial8250_port uart1_data = {
298 .mapbase = UR8_REGS_UART1,
299 .irq = AR7_IRQ_UART1,
302 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
305 static struct plat_serial8250_port uart_data[] = {
311 static struct plat_serial8250_port uart_data_single[] = {
316 static struct platform_device uart = {
318 .name = "serial8250",
319 .dev.platform_data = uart_data_single
323 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
324 static struct gpio_led default_leds[] = {
325 { .name = "status", .gpio = 8, .active_low = 1, },
328 static struct gpio_led fb_leds[] = {
329 { .name = "1", .gpio = 7, },
330 { .name = "2", .gpio = 13, .active_low = 1, },
331 { .name = "3", .gpio = 10, .active_low = 1, },
332 { .name = "4", .gpio = 12, .active_low = 1, },
333 { .name = "5", .gpio = 9, .active_low = 1, },
336 static struct gpio_led fb_fon_leds[] = {
337 { .name = "1", .gpio = 8, },
338 { .name = "2", .gpio = 3, .active_low = 1, },
339 { .name = "3", .gpio = 5, },
340 { .name = "4", .gpio = 4, .active_low = 1, },
341 { .name = "5", .gpio = 11, .active_low = 1, },
344 static struct gpio_led_platform_data ar7_led_data;
346 static struct platform_device ar7_gpio_leds = {
350 .platform_data = &ar7_led_data,
355 static struct platform_device ar7_udc = {
359 .num_resources = ARRAY_SIZE(usb_res),
362 static inline unsigned char char2hex(char h)
365 case '0': case '1': case '2': case '3': case '4':
366 case '5': case '6': case '7': case '8': case '9':
368 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
370 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
377 static void cpmac_get_mac(int instance, unsigned char *dev_addr)
380 char name[5], default_mac[] = "00:00:00:12:34:56", *mac;
383 sprintf(name, "mac%c", 'a' + instance);
384 mac = prom_getenv(name);
386 sprintf(name, "mac%c", 'a');
387 mac = prom_getenv(name);
391 for (i = 0; i < 6; i++)
392 dev_addr[i] = (char2hex(mac[i * 3]) << 4) +
393 char2hex(mac[i * 3 + 1]);
396 static int __init ar7_register_devices(void)
400 #ifdef CONFIG_SERIAL_8250
402 static struct uart_port uart_port[2];
404 memset(uart_port, 0, sizeof(struct uart_port) * 2);
406 uart_port[0].type = PORT_AR7;
407 uart_port[0].line = 0;
408 uart_port[0].irq = AR7_IRQ_UART0;
409 uart_port[0].uartclk = ar7_bus_freq() / 2;
410 uart_port[0].iotype = UPIO_MEM;
411 uart_port[0].mapbase = AR7_REGS_UART0;
412 uart_port[0].membase = ioremap(uart_port[0].mapbase, 256);
413 uart_port[0].regshift = 2;
414 res = early_serial_setup(&uart_port[0]);
419 /* Only TNETD73xx have a second serial port */
420 if (ar7_has_second_uart()) {
421 uart_port[1].type = PORT_AR7;
422 uart_port[1].line = 1;
423 uart_port[1].irq = AR7_IRQ_UART1;
424 uart_port[1].uartclk = ar7_bus_freq() / 2;
425 uart_port[1].iotype = UPIO_MEM;
426 uart_port[1].mapbase = UR8_REGS_UART1;
427 uart_port[1].membase = ioremap(uart_port[1].mapbase, 256);
428 uart_port[1].regshift = 2;
429 res = early_serial_setup(&uart_port[1]);
434 #else /* !CONFIG_SERIAL_8250 */
436 uart_data[0].uartclk = ar7_bus_freq() / 2;
437 uart_data[1].uartclk = uart_data[0].uartclk;
439 /* Only TNETD73xx have a second serial port */
440 if (ar7_has_second_uart())
441 uart.dev.platform_data = uart_data;
443 res = platform_device_register(&uart);
447 #endif /* CONFIG_SERIAL_8250 */
449 res = platform_device_register(&physmap_flash);
453 res = platform_device_register(&vlynq_low);
457 ar7_device_disable(vlynq_low_data.reset_bit);
458 if (ar7_has_high_vlynq()) {
459 ar7_device_disable(vlynq_high_data.reset_bit);
460 res = platform_device_register(&vlynq_high);
465 if (ar7_has_high_cpmac()) {
466 cpmac_get_mac(1, cpmac_high_data.dev_addr);
467 res = platform_device_register(&cpmac_high);
471 cpmac_low_data.phy_mask = 0xffffffff;
474 cpmac_get_mac(0, cpmac_low_data.dev_addr);
475 res = platform_device_register(&cpmac_low);
479 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
480 #warning FIXME: add model detection
481 ar7_led_data.num_leds = ARRAY_SIZE(default_leds);
482 ar7_led_data.leds = default_leds;
483 res = platform_device_register(&ar7_gpio_leds);
488 res = platform_device_register(&ar7_udc);
494 arch_initcall(ar7_register_devices);