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>
35 #include <linux/phy.h>
36 #include <linux/phy_fixed.h>
37 #include <linux/gpio.h>
38 #include <linux/clk.h>
40 #include <asm/addrspace.h>
41 #include <asm/mach-ar7/ar7.h>
42 #include <asm/mach-ar7/gpio.h>
43 #include <asm/mach-ar7/prom.h>
45 /*****************************************************************************
47 ****************************************************************************/
48 struct plat_vlynq_data {
49 struct plat_vlynq_ops ops;
54 static int vlynq_on(struct vlynq_device *dev)
57 struct plat_vlynq_data *pdata = dev->dev.platform_data;
59 ret = gpio_request(pdata->gpio_bit, "vlynq");
63 ar7_device_reset(pdata->reset_bit);
65 ret = ar7_gpio_disable(pdata->gpio_bit);
69 ret = ar7_gpio_enable(pdata->gpio_bit);
73 ret = gpio_direction_output(pdata->gpio_bit, 0);
75 goto out_gpio_enabled;
79 gpio_set_value(pdata->gpio_bit, 1);
86 ar7_gpio_disable(pdata->gpio_bit);
88 ar7_device_disable(pdata->reset_bit);
89 gpio_free(pdata->gpio_bit);
94 static void vlynq_off(struct vlynq_device *dev)
96 struct plat_vlynq_data *pdata = dev->dev.platform_data;
98 ar7_gpio_disable(pdata->gpio_bit);
99 gpio_free(pdata->gpio_bit);
100 ar7_device_disable(pdata->reset_bit);
103 static struct resource vlynq_low_res[] = {
106 .flags = IORESOURCE_MEM,
107 .start = AR7_REGS_VLYNQ0,
108 .end = AR7_REGS_VLYNQ0 + 0xff,
112 .flags = IORESOURCE_IRQ,
118 .flags = IORESOURCE_MEM,
124 .flags = IORESOURCE_IRQ,
130 static struct resource vlynq_high_res[] = {
133 .flags = IORESOURCE_MEM,
134 .start = AR7_REGS_VLYNQ1,
135 .end = AR7_REGS_VLYNQ1 + 0xff,
139 .flags = IORESOURCE_IRQ,
145 .flags = IORESOURCE_MEM,
151 .flags = IORESOURCE_IRQ,
157 static struct plat_vlynq_data vlynq_low_data = {
166 static struct plat_vlynq_data vlynq_high_data = {
175 static struct platform_device vlynq_low = {
179 .platform_data = &vlynq_low_data,
181 .resource = vlynq_low_res,
182 .num_resources = ARRAY_SIZE(vlynq_low_res),
185 static struct platform_device vlynq_high = {
189 .platform_data = &vlynq_high_data,
191 .resource = vlynq_high_res,
192 .num_resources = ARRAY_SIZE(vlynq_high_res),
195 /*****************************************************************************
197 ****************************************************************************/
198 static struct resource physmap_flash_resource = {
200 .flags = IORESOURCE_MEM,
205 static const char *ar7_probe_types[] = { "ar7part", NULL };
207 static struct physmap_flash_data physmap_flash_data = {
209 .part_probe_types = ar7_probe_types,
212 static struct platform_device physmap_flash = {
213 .name = "physmap-flash",
215 .platform_data = &physmap_flash_data,
217 .resource = &physmap_flash_resource,
221 /*****************************************************************************
223 ****************************************************************************/
224 static struct resource cpmac_low_res[] = {
227 .flags = IORESOURCE_MEM,
228 .start = AR7_REGS_MAC0,
229 .end = AR7_REGS_MAC0 + 0x7ff,
233 .flags = IORESOURCE_IRQ,
239 static struct resource cpmac_high_res[] = {
242 .flags = IORESOURCE_MEM,
243 .start = AR7_REGS_MAC1,
244 .end = AR7_REGS_MAC1 + 0x7ff,
248 .flags = IORESOURCE_IRQ,
254 static struct fixed_phy_status fixed_phy_status __initdata = {
260 static struct plat_cpmac_data cpmac_low_data = {
263 .phy_mask = 0x80000000,
266 static struct plat_cpmac_data cpmac_high_data = {
269 .phy_mask = 0x7fffffff,
272 static u64 cpmac_dma_mask = DMA_BIT_MASK(32);
274 static struct platform_device cpmac_low = {
278 .dma_mask = &cpmac_dma_mask,
279 .coherent_dma_mask = DMA_BIT_MASK(32),
280 .platform_data = &cpmac_low_data,
282 .resource = cpmac_low_res,
283 .num_resources = ARRAY_SIZE(cpmac_low_res),
286 static struct platform_device cpmac_high = {
290 .dma_mask = &cpmac_dma_mask,
291 .coherent_dma_mask = DMA_BIT_MASK(32),
292 .platform_data = &cpmac_high_data,
294 .resource = cpmac_high_res,
295 .num_resources = ARRAY_SIZE(cpmac_high_res),
298 static void __init cpmac_get_mac(int instance, unsigned char *dev_addr)
302 sprintf(name, "mac%c", 'a' + instance);
303 mac = prom_getenv(name);
304 if (!mac && instance) {
305 sprintf(name, "mac%c", 'a');
306 mac = prom_getenv(name);
310 if (!mac_pton(mac, dev_addr)) {
311 pr_warn("cannot parse mac address, using random address\n");
312 eth_random_addr(dev_addr);
315 eth_random_addr(dev_addr);
318 /*****************************************************************************
320 ****************************************************************************/
321 static struct resource usb_res[] = {
324 .flags = IORESOURCE_MEM,
325 .start = AR7_REGS_USB,
326 .end = AR7_REGS_USB + 0xff,
330 .flags = IORESOURCE_IRQ,
336 .flags = IORESOURCE_MEM,
342 static struct platform_device ar7_udc = {
345 .num_resources = ARRAY_SIZE(usb_res),
348 /*****************************************************************************
350 ****************************************************************************/
351 static struct gpio_led default_leds[] = {
359 static struct gpio_led titan_leds[] = {
360 { .name = "status", .gpio = 8, .active_low = 1, },
361 { .name = "wifi", .gpio = 13, .active_low = 1, },
364 static struct gpio_led dsl502t_leds[] = {
382 static struct gpio_led dg834g_leds[] = {
407 .default_trigger = "default-on",
411 static struct gpio_led fb_sl_leds[] = {
438 static struct gpio_led fb_fon_leds[] = {
464 static struct gpio_led gt701_leds[] = {
466 .name = "inet:green",
486 .name = "power:green",
489 .default_trigger = "default-on",
498 static struct gpio_led_platform_data ar7_led_data;
500 static struct platform_device ar7_gpio_leds = {
503 .platform_data = &ar7_led_data,
507 static void __init detect_leds(void)
509 char *prid, *usb_prod;
512 ar7_led_data.num_leds = ARRAY_SIZE(default_leds);
513 ar7_led_data.leds = default_leds;
515 /* FIXME: the whole thing is unreliable */
516 prid = prom_getenv("ProductID");
517 usb_prod = prom_getenv("usb_prod");
519 /* If we can't get the product id from PROM, use the default LEDs */
523 if (strstr(prid, "Fritz_Box_FON")) {
524 ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds);
525 ar7_led_data.leds = fb_fon_leds;
526 } else if (strstr(prid, "Fritz_Box_")) {
527 ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds);
528 ar7_led_data.leds = fb_sl_leds;
529 } else if ((!strcmp(prid, "AR7RD") || !strcmp(prid, "AR7DB"))
530 && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) {
531 ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds);
532 ar7_led_data.leds = dsl502t_leds;
533 } else if (strstr(prid, "DG834")) {
534 ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds);
535 ar7_led_data.leds = dg834g_leds;
536 } else if (strstr(prid, "CYWM") || strstr(prid, "CYWL")) {
537 ar7_led_data.num_leds = ARRAY_SIZE(titan_leds);
538 ar7_led_data.leds = titan_leds;
539 } else if (strstr(prid, "GT701")) {
540 ar7_led_data.num_leds = ARRAY_SIZE(gt701_leds);
541 ar7_led_data.leds = gt701_leds;
545 /*****************************************************************************
547 ****************************************************************************/
548 static struct resource ar7_wdt_res = {
550 .flags = IORESOURCE_MEM,
551 .start = -1, /* Filled at runtime */
552 .end = -1, /* Filled at runtime */
555 static struct platform_device ar7_wdt = {
557 .resource = &ar7_wdt_res,
561 /*****************************************************************************
563 ****************************************************************************/
564 static int __init ar7_register_uarts(void)
566 #ifdef CONFIG_SERIAL_8250
567 static struct uart_port uart_port __initdata;
571 memset(&uart_port, 0, sizeof(struct uart_port));
573 bus_clk = clk_get(NULL, "bus");
575 panic("unable to get bus clk");
577 uart_port.type = PORT_AR7;
578 uart_port.uartclk = clk_get_rate(bus_clk) / 2;
579 uart_port.iotype = UPIO_MEM32;
580 uart_port.regshift = 2;
583 uart_port.irq = AR7_IRQ_UART0;
584 uart_port.mapbase = AR7_REGS_UART0;
585 uart_port.membase = ioremap(uart_port.mapbase, 256);
587 res = early_serial_setup(&uart_port);
591 /* Only TNETD73xx have a second serial port */
592 if (ar7_has_second_uart()) {
594 uart_port.irq = AR7_IRQ_UART1;
595 uart_port.mapbase = UR8_REGS_UART1;
596 uart_port.membase = ioremap(uart_port.mapbase, 256);
598 res = early_serial_setup(&uart_port);
607 static void __init titan_fixup_devices(void)
609 /* Set vlynq0 data */
610 vlynq_low_data.reset_bit = 15;
611 vlynq_low_data.gpio_bit = 14;
613 /* Set vlynq1 data */
614 vlynq_high_data.reset_bit = 16;
615 vlynq_high_data.gpio_bit = 7;
617 /* Set vlynq0 resources */
618 vlynq_low_res[0].start = TITAN_REGS_VLYNQ0;
619 vlynq_low_res[0].end = TITAN_REGS_VLYNQ0 + 0xff;
620 vlynq_low_res[1].start = 33;
621 vlynq_low_res[1].end = 33;
622 vlynq_low_res[2].start = 0x0c000000;
623 vlynq_low_res[2].end = 0x0fffffff;
624 vlynq_low_res[3].start = 80;
625 vlynq_low_res[3].end = 111;
627 /* Set vlynq1 resources */
628 vlynq_high_res[0].start = TITAN_REGS_VLYNQ1;
629 vlynq_high_res[0].end = TITAN_REGS_VLYNQ1 + 0xff;
630 vlynq_high_res[1].start = 34;
631 vlynq_high_res[1].end = 34;
632 vlynq_high_res[2].start = 0x40000000;
633 vlynq_high_res[2].end = 0x43ffffff;
634 vlynq_high_res[3].start = 112;
635 vlynq_high_res[3].end = 143;
637 /* Set cpmac0 data */
638 cpmac_low_data.phy_mask = 0x40000000;
640 /* Set cpmac1 data */
641 cpmac_high_data.phy_mask = 0x80000000;
643 /* Set cpmac0 resources */
644 cpmac_low_res[0].start = TITAN_REGS_MAC0;
645 cpmac_low_res[0].end = TITAN_REGS_MAC0 + 0x7ff;
647 /* Set cpmac1 resources */
648 cpmac_high_res[0].start = TITAN_REGS_MAC1;
649 cpmac_high_res[0].end = TITAN_REGS_MAC1 + 0x7ff;
652 static int __init ar7_register_devices(void)
654 void __iomem *bootcr;
658 res = ar7_register_uarts();
660 pr_err("unable to setup uart(s): %d\n", res);
662 res = platform_device_register(&physmap_flash);
664 pr_warn("unable to register physmap-flash: %d\n", res);
667 titan_fixup_devices();
669 ar7_device_disable(vlynq_low_data.reset_bit);
670 res = platform_device_register(&vlynq_low);
672 pr_warn("unable to register vlynq-low: %d\n", res);
674 if (ar7_has_high_vlynq()) {
675 ar7_device_disable(vlynq_high_data.reset_bit);
676 res = platform_device_register(&vlynq_high);
678 pr_warn("unable to register vlynq-high: %d\n", res);
681 if (ar7_has_high_cpmac()) {
682 res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
684 cpmac_get_mac(1, cpmac_high_data.dev_addr);
686 res = platform_device_register(&cpmac_high);
688 pr_warn("unable to register cpmac-high: %d\n",
691 pr_warn("unable to add cpmac-high phy: %d\n", res);
693 cpmac_low_data.phy_mask = 0xffffffff;
695 res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
697 cpmac_get_mac(0, cpmac_low_data.dev_addr);
698 res = platform_device_register(&cpmac_low);
700 pr_warn("unable to register cpmac-low: %d\n", res);
702 pr_warn("unable to add cpmac-low phy: %d\n", res);
705 res = platform_device_register(&ar7_gpio_leds);
707 pr_warn("unable to register leds: %d\n", res);
709 res = platform_device_register(&ar7_udc);
711 pr_warn("unable to register usb slave: %d\n", res);
713 /* Register watchdog only if enabled in hardware */
714 bootcr = ioremap_nocache(AR7_REGS_DCL, 4);
717 if (val & AR7_WDT_HW_ENA) {
718 if (ar7_has_high_vlynq())
719 ar7_wdt_res.start = UR8_REGS_WDT;
721 ar7_wdt_res.start = AR7_REGS_WDT;
723 ar7_wdt_res.end = ar7_wdt_res.start + 0x20;
724 res = platform_device_register(&ar7_wdt);
726 pr_warn("unable to register watchdog: %d\n", res);
731 device_initcall(ar7_register_devices);