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/prom.h>
44 /*****************************************************************************
46 ****************************************************************************/
47 struct plat_vlynq_data {
48 struct plat_vlynq_ops ops;
53 static int vlynq_on(struct vlynq_device *dev)
56 struct plat_vlynq_data *pdata = dev->dev.platform_data;
58 ret = gpio_request(pdata->gpio_bit, "vlynq");
62 ar7_device_reset(pdata->reset_bit);
64 ret = ar7_gpio_disable(pdata->gpio_bit);
68 ret = ar7_gpio_enable(pdata->gpio_bit);
72 ret = gpio_direction_output(pdata->gpio_bit, 0);
74 goto out_gpio_enabled;
78 gpio_set_value(pdata->gpio_bit, 1);
85 ar7_gpio_disable(pdata->gpio_bit);
87 ar7_device_disable(pdata->reset_bit);
88 gpio_free(pdata->gpio_bit);
93 static void vlynq_off(struct vlynq_device *dev)
95 struct plat_vlynq_data *pdata = dev->dev.platform_data;
97 ar7_gpio_disable(pdata->gpio_bit);
98 gpio_free(pdata->gpio_bit);
99 ar7_device_disable(pdata->reset_bit);
102 static struct resource vlynq_low_res[] = {
105 .flags = IORESOURCE_MEM,
106 .start = AR7_REGS_VLYNQ0,
107 .end = AR7_REGS_VLYNQ0 + 0xff,
111 .flags = IORESOURCE_IRQ,
117 .flags = IORESOURCE_MEM,
123 .flags = IORESOURCE_IRQ,
129 static struct resource vlynq_high_res[] = {
132 .flags = IORESOURCE_MEM,
133 .start = AR7_REGS_VLYNQ1,
134 .end = AR7_REGS_VLYNQ1 + 0xff,
138 .flags = IORESOURCE_IRQ,
144 .flags = IORESOURCE_MEM,
150 .flags = IORESOURCE_IRQ,
156 static struct plat_vlynq_data vlynq_low_data = {
165 static struct plat_vlynq_data vlynq_high_data = {
174 static struct platform_device vlynq_low = {
178 .platform_data = &vlynq_low_data,
180 .resource = vlynq_low_res,
181 .num_resources = ARRAY_SIZE(vlynq_low_res),
184 static struct platform_device vlynq_high = {
188 .platform_data = &vlynq_high_data,
190 .resource = vlynq_high_res,
191 .num_resources = ARRAY_SIZE(vlynq_high_res),
194 /*****************************************************************************
196 ****************************************************************************/
197 static struct resource physmap_flash_resource = {
199 .flags = IORESOURCE_MEM,
204 static const char *ar7_probe_types[] = { "ar7part", NULL };
206 static struct physmap_flash_data physmap_flash_data = {
208 .part_probe_types = ar7_probe_types,
211 static struct platform_device physmap_flash = {
212 .name = "physmap-flash",
214 .platform_data = &physmap_flash_data,
216 .resource = &physmap_flash_resource,
220 /*****************************************************************************
222 ****************************************************************************/
223 static struct resource cpmac_low_res[] = {
226 .flags = IORESOURCE_MEM,
227 .start = AR7_REGS_MAC0,
228 .end = AR7_REGS_MAC0 + 0x7ff,
232 .flags = IORESOURCE_IRQ,
238 static struct resource cpmac_high_res[] = {
241 .flags = IORESOURCE_MEM,
242 .start = AR7_REGS_MAC1,
243 .end = AR7_REGS_MAC1 + 0x7ff,
247 .flags = IORESOURCE_IRQ,
253 static struct fixed_phy_status fixed_phy_status __initdata = {
259 static struct plat_cpmac_data cpmac_low_data = {
262 .phy_mask = 0x80000000,
265 static struct plat_cpmac_data cpmac_high_data = {
268 .phy_mask = 0x7fffffff,
271 static u64 cpmac_dma_mask = DMA_BIT_MASK(32);
273 static struct platform_device cpmac_low = {
277 .dma_mask = &cpmac_dma_mask,
278 .coherent_dma_mask = DMA_BIT_MASK(32),
279 .platform_data = &cpmac_low_data,
281 .resource = cpmac_low_res,
282 .num_resources = ARRAY_SIZE(cpmac_low_res),
285 static struct platform_device cpmac_high = {
289 .dma_mask = &cpmac_dma_mask,
290 .coherent_dma_mask = DMA_BIT_MASK(32),
291 .platform_data = &cpmac_high_data,
293 .resource = cpmac_high_res,
294 .num_resources = ARRAY_SIZE(cpmac_high_res),
297 static void __init cpmac_get_mac(int instance, unsigned char *dev_addr)
301 sprintf(name, "mac%c", 'a' + instance);
302 mac = prom_getenv(name);
303 if (!mac && instance) {
304 sprintf(name, "mac%c", 'a');
305 mac = prom_getenv(name);
309 if (!mac_pton(mac, dev_addr)) {
310 pr_warn("cannot parse mac address, using random address\n");
311 eth_random_addr(dev_addr);
314 eth_random_addr(dev_addr);
317 /*****************************************************************************
319 ****************************************************************************/
320 static struct resource usb_res[] = {
323 .flags = IORESOURCE_MEM,
324 .start = AR7_REGS_USB,
325 .end = AR7_REGS_USB + 0xff,
329 .flags = IORESOURCE_IRQ,
335 .flags = IORESOURCE_MEM,
341 static struct platform_device ar7_udc = {
344 .num_resources = ARRAY_SIZE(usb_res),
347 /*****************************************************************************
349 ****************************************************************************/
350 static struct gpio_led default_leds[] = {
358 static struct gpio_led titan_leds[] = {
359 { .name = "status", .gpio = 8, .active_low = 1, },
360 { .name = "wifi", .gpio = 13, .active_low = 1, },
363 static struct gpio_led dsl502t_leds[] = {
381 static struct gpio_led dg834g_leds[] = {
406 .default_trigger = "default-on",
410 static struct gpio_led fb_sl_leds[] = {
437 static struct gpio_led fb_fon_leds[] = {
463 static struct gpio_led gt701_leds[] = {
465 .name = "inet:green",
485 .name = "power:green",
488 .default_trigger = "default-on",
497 static struct gpio_led_platform_data ar7_led_data;
499 static struct platform_device ar7_gpio_leds = {
502 .platform_data = &ar7_led_data,
506 static void __init detect_leds(void)
508 char *prid, *usb_prod;
511 ar7_led_data.num_leds = ARRAY_SIZE(default_leds);
512 ar7_led_data.leds = default_leds;
514 /* FIXME: the whole thing is unreliable */
515 prid = prom_getenv("ProductID");
516 usb_prod = prom_getenv("usb_prod");
518 /* If we can't get the product id from PROM, use the default LEDs */
522 if (strstr(prid, "Fritz_Box_FON")) {
523 ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds);
524 ar7_led_data.leds = fb_fon_leds;
525 } else if (strstr(prid, "Fritz_Box_")) {
526 ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds);
527 ar7_led_data.leds = fb_sl_leds;
528 } else if ((!strcmp(prid, "AR7RD") || !strcmp(prid, "AR7DB"))
529 && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) {
530 ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds);
531 ar7_led_data.leds = dsl502t_leds;
532 } else if (strstr(prid, "DG834")) {
533 ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds);
534 ar7_led_data.leds = dg834g_leds;
535 } else if (strstr(prid, "CYWM") || strstr(prid, "CYWL")) {
536 ar7_led_data.num_leds = ARRAY_SIZE(titan_leds);
537 ar7_led_data.leds = titan_leds;
538 } else if (strstr(prid, "GT701")) {
539 ar7_led_data.num_leds = ARRAY_SIZE(gt701_leds);
540 ar7_led_data.leds = gt701_leds;
544 /*****************************************************************************
546 ****************************************************************************/
547 static struct resource ar7_wdt_res = {
549 .flags = IORESOURCE_MEM,
550 .start = -1, /* Filled at runtime */
551 .end = -1, /* Filled at runtime */
554 static struct platform_device ar7_wdt = {
556 .resource = &ar7_wdt_res,
560 /*****************************************************************************
562 ****************************************************************************/
563 static int __init ar7_register_uarts(void)
565 #ifdef CONFIG_SERIAL_8250
566 static struct uart_port uart_port __initdata;
570 memset(&uart_port, 0, sizeof(struct uart_port));
572 bus_clk = clk_get(NULL, "bus");
574 panic("unable to get bus clk");
576 uart_port.type = PORT_AR7;
577 uart_port.uartclk = clk_get_rate(bus_clk) / 2;
578 uart_port.iotype = UPIO_MEM32;
579 uart_port.regshift = 2;
582 uart_port.irq = AR7_IRQ_UART0;
583 uart_port.mapbase = AR7_REGS_UART0;
584 uart_port.membase = ioremap(uart_port.mapbase, 256);
586 res = early_serial_setup(&uart_port);
590 /* Only TNETD73xx have a second serial port */
591 if (ar7_has_second_uart()) {
593 uart_port.irq = AR7_IRQ_UART1;
594 uart_port.mapbase = UR8_REGS_UART1;
595 uart_port.membase = ioremap(uart_port.mapbase, 256);
597 res = early_serial_setup(&uart_port);
606 static void __init titan_fixup_devices(void)
608 /* Set vlynq0 data */
609 vlynq_low_data.reset_bit = 15;
610 vlynq_low_data.gpio_bit = 14;
612 /* Set vlynq1 data */
613 vlynq_high_data.reset_bit = 16;
614 vlynq_high_data.gpio_bit = 7;
616 /* Set vlynq0 resources */
617 vlynq_low_res[0].start = TITAN_REGS_VLYNQ0;
618 vlynq_low_res[0].end = TITAN_REGS_VLYNQ0 + 0xff;
619 vlynq_low_res[1].start = 33;
620 vlynq_low_res[1].end = 33;
621 vlynq_low_res[2].start = 0x0c000000;
622 vlynq_low_res[2].end = 0x0fffffff;
623 vlynq_low_res[3].start = 80;
624 vlynq_low_res[3].end = 111;
626 /* Set vlynq1 resources */
627 vlynq_high_res[0].start = TITAN_REGS_VLYNQ1;
628 vlynq_high_res[0].end = TITAN_REGS_VLYNQ1 + 0xff;
629 vlynq_high_res[1].start = 34;
630 vlynq_high_res[1].end = 34;
631 vlynq_high_res[2].start = 0x40000000;
632 vlynq_high_res[2].end = 0x43ffffff;
633 vlynq_high_res[3].start = 112;
634 vlynq_high_res[3].end = 143;
636 /* Set cpmac0 data */
637 cpmac_low_data.phy_mask = 0x40000000;
639 /* Set cpmac1 data */
640 cpmac_high_data.phy_mask = 0x80000000;
642 /* Set cpmac0 resources */
643 cpmac_low_res[0].start = TITAN_REGS_MAC0;
644 cpmac_low_res[0].end = TITAN_REGS_MAC0 + 0x7ff;
646 /* Set cpmac1 resources */
647 cpmac_high_res[0].start = TITAN_REGS_MAC1;
648 cpmac_high_res[0].end = TITAN_REGS_MAC1 + 0x7ff;
651 static int __init ar7_register_devices(void)
653 void __iomem *bootcr;
657 res = ar7_register_uarts();
659 pr_err("unable to setup uart(s): %d\n", res);
661 res = platform_device_register(&physmap_flash);
663 pr_warn("unable to register physmap-flash: %d\n", res);
666 titan_fixup_devices();
668 ar7_device_disable(vlynq_low_data.reset_bit);
669 res = platform_device_register(&vlynq_low);
671 pr_warn("unable to register vlynq-low: %d\n", res);
673 if (ar7_has_high_vlynq()) {
674 ar7_device_disable(vlynq_high_data.reset_bit);
675 res = platform_device_register(&vlynq_high);
677 pr_warn("unable to register vlynq-high: %d\n", res);
680 if (ar7_has_high_cpmac()) {
681 res = fixed_phy_add(PHY_POLL, cpmac_high.id,
682 &fixed_phy_status, -1);
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, -1);
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);