| /* |
| * Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org> |
| * Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/types.h> |
| #include <linux/module.h> |
| #include <linux/delay.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/platform_device.h> |
| #include <linux/mtd/physmap.h> |
| #include <linux/serial.h> |
| #include <linux/serial_8250.h> |
| #include <linux/ioport.h> |
| #include <linux/io.h> |
| #include <linux/vlynq.h> |
| #include <linux/leds.h> |
| #include <linux/string.h> |
| #include <linux/etherdevice.h> |
| #include <linux/phy.h> |
| #include <linux/phy_fixed.h> |
| |
| #include <asm/addrspace.h> |
| #include <asm/mach-ar7/ar7.h> |
| #include <asm/mach-ar7/gpio.h> |
| #include <asm/mach-ar7/prom.h> |
| |
| struct plat_vlynq_data { |
| struct plat_vlynq_ops ops; |
| int gpio_bit; |
| int reset_bit; |
| }; |
| |
| |
| static int vlynq_on(struct vlynq_device *dev) |
| { |
| int result; |
| struct plat_vlynq_data *pdata = dev->dev.platform_data; |
| |
| result = gpio_request(pdata->gpio_bit, "vlynq"); |
| if (result) |
| goto out; |
| |
| ar7_device_reset(pdata->reset_bit); |
| |
| result = ar7_gpio_disable(pdata->gpio_bit); |
| if (result) |
| goto out_enabled; |
| |
| result = ar7_gpio_enable(pdata->gpio_bit); |
| if (result) |
| goto out_enabled; |
| |
| result = gpio_direction_output(pdata->gpio_bit, 0); |
| if (result) |
| goto out_gpio_enabled; |
| |
| msleep(50); |
| |
| gpio_set_value(pdata->gpio_bit, 1); |
| msleep(50); |
| |
| return 0; |
| |
| out_gpio_enabled: |
| ar7_gpio_disable(pdata->gpio_bit); |
| out_enabled: |
| ar7_device_disable(pdata->reset_bit); |
| gpio_free(pdata->gpio_bit); |
| out: |
| return result; |
| } |
| |
| static void vlynq_off(struct vlynq_device *dev) |
| { |
| struct plat_vlynq_data *pdata = dev->dev.platform_data; |
| ar7_gpio_disable(pdata->gpio_bit); |
| gpio_free(pdata->gpio_bit); |
| ar7_device_disable(pdata->reset_bit); |
| } |
| |
| static struct resource physmap_flash_resource = { |
| .name = "mem", |
| .flags = IORESOURCE_MEM, |
| .start = 0x10000000, |
| .end = 0x107fffff, |
| }; |
| |
| static struct resource cpmac_low_res[] = { |
| { |
| .name = "regs", |
| .flags = IORESOURCE_MEM, |
| .start = AR7_REGS_MAC0, |
| .end = AR7_REGS_MAC0 + 0x7ff, |
| }, |
| { |
| .name = "irq", |
| .flags = IORESOURCE_IRQ, |
| .start = 27, |
| .end = 27, |
| }, |
| }; |
| |
| static struct resource cpmac_high_res[] = { |
| { |
| .name = "regs", |
| .flags = IORESOURCE_MEM, |
| .start = AR7_REGS_MAC1, |
| .end = AR7_REGS_MAC1 + 0x7ff, |
| }, |
| { |
| .name = "irq", |
| .flags = IORESOURCE_IRQ, |
| .start = 41, |
| .end = 41, |
| }, |
| }; |
| |
| static struct resource vlynq_low_res[] = { |
| { |
| .name = "regs", |
| .flags = IORESOURCE_MEM, |
| .start = AR7_REGS_VLYNQ0, |
| .end = AR7_REGS_VLYNQ0 + 0xff, |
| }, |
| { |
| .name = "irq", |
| .flags = IORESOURCE_IRQ, |
| .start = 29, |
| .end = 29, |
| }, |
| { |
| .name = "mem", |
| .flags = IORESOURCE_MEM, |
| .start = 0x04000000, |
| .end = 0x04ffffff, |
| }, |
| { |
| .name = "devirq", |
| .flags = IORESOURCE_IRQ, |
| .start = 80, |
| .end = 111, |
| }, |
| }; |
| |
| static struct resource vlynq_high_res[] = { |
| { |
| .name = "regs", |
| .flags = IORESOURCE_MEM, |
| .start = AR7_REGS_VLYNQ1, |
| .end = AR7_REGS_VLYNQ1 + 0xff, |
| }, |
| { |
| .name = "irq", |
| .flags = IORESOURCE_IRQ, |
| .start = 33, |
| .end = 33, |
| }, |
| { |
| .name = "mem", |
| .flags = IORESOURCE_MEM, |
| .start = 0x0c000000, |
| .end = 0x0cffffff, |
| }, |
| { |
| .name = "devirq", |
| .flags = IORESOURCE_IRQ, |
| .start = 112, |
| .end = 143, |
| }, |
| }; |
| |
| static struct resource usb_res[] = { |
| { |
| .name = "regs", |
| .flags = IORESOURCE_MEM, |
| .start = AR7_REGS_USB, |
| .end = AR7_REGS_USB + 0xff, |
| }, |
| { |
| .name = "irq", |
| .flags = IORESOURCE_IRQ, |
| .start = 32, |
| .end = 32, |
| }, |
| { |
| .name = "mem", |
| .flags = IORESOURCE_MEM, |
| .start = 0x03400000, |
| .end = 0x034001fff, |
| }, |
| }; |
| |
| static struct physmap_flash_data physmap_flash_data = { |
| .width = 2, |
| }; |
| |
| static struct fixed_phy_status fixed_phy_status __initdata = { |
| .link = 1, |
| .speed = 100, |
| .duplex = 1, |
| }; |
| |
| static struct plat_cpmac_data cpmac_low_data = { |
| .reset_bit = 17, |
| .power_bit = 20, |
| .phy_mask = 0x80000000, |
| }; |
| |
| static struct plat_cpmac_data cpmac_high_data = { |
| .reset_bit = 21, |
| .power_bit = 22, |
| .phy_mask = 0x7fffffff, |
| }; |
| |
| static struct plat_vlynq_data vlynq_low_data = { |
| .ops.on = vlynq_on, |
| .ops.off = vlynq_off, |
| .reset_bit = 20, |
| .gpio_bit = 18, |
| }; |
| |
| static struct plat_vlynq_data vlynq_high_data = { |
| .ops.on = vlynq_on, |
| .ops.off = vlynq_off, |
| .reset_bit = 16, |
| .gpio_bit = 19, |
| }; |
| |
| static struct platform_device physmap_flash = { |
| .id = 0, |
| .name = "physmap-flash", |
| .dev.platform_data = &physmap_flash_data, |
| .resource = &physmap_flash_resource, |
| .num_resources = 1, |
| }; |
| |
| static u64 cpmac_dma_mask = DMA_BIT_MASK(32); |
| static struct platform_device cpmac_low = { |
| .id = 0, |
| .name = "cpmac", |
| .dev = { |
| .dma_mask = &cpmac_dma_mask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .platform_data = &cpmac_low_data, |
| }, |
| .resource = cpmac_low_res, |
| .num_resources = ARRAY_SIZE(cpmac_low_res), |
| }; |
| |
| static struct platform_device cpmac_high = { |
| .id = 1, |
| .name = "cpmac", |
| .dev = { |
| .dma_mask = &cpmac_dma_mask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .platform_data = &cpmac_high_data, |
| }, |
| .resource = cpmac_high_res, |
| .num_resources = ARRAY_SIZE(cpmac_high_res), |
| }; |
| |
| static struct platform_device vlynq_low = { |
| .id = 0, |
| .name = "vlynq", |
| .dev.platform_data = &vlynq_low_data, |
| .resource = vlynq_low_res, |
| .num_resources = ARRAY_SIZE(vlynq_low_res), |
| }; |
| |
| static struct platform_device vlynq_high = { |
| .id = 1, |
| .name = "vlynq", |
| .dev.platform_data = &vlynq_high_data, |
| .resource = vlynq_high_res, |
| .num_resources = ARRAY_SIZE(vlynq_high_res), |
| }; |
| |
| |
| static struct gpio_led default_leds[] = { |
| { |
| .name = "status", |
| .gpio = 8, |
| .active_low = 1, |
| }, |
| }; |
| |
| static struct gpio_led dsl502t_leds[] = { |
| { |
| .name = "status", |
| .gpio = 9, |
| .active_low = 1, |
| }, |
| { |
| .name = "ethernet", |
| .gpio = 7, |
| .active_low = 1, |
| }, |
| { |
| .name = "usb", |
| .gpio = 12, |
| .active_low = 1, |
| }, |
| }; |
| |
| static struct gpio_led dg834g_leds[] = { |
| { |
| .name = "ppp", |
| .gpio = 6, |
| .active_low = 1, |
| }, |
| { |
| .name = "status", |
| .gpio = 7, |
| .active_low = 1, |
| }, |
| { |
| .name = "adsl", |
| .gpio = 8, |
| .active_low = 1, |
| }, |
| { |
| .name = "wifi", |
| .gpio = 12, |
| .active_low = 1, |
| }, |
| { |
| .name = "power", |
| .gpio = 14, |
| .active_low = 1, |
| .default_trigger = "default-on", |
| }, |
| }; |
| |
| static struct gpio_led fb_sl_leds[] = { |
| { |
| .name = "1", |
| .gpio = 7, |
| }, |
| { |
| .name = "2", |
| .gpio = 13, |
| .active_low = 1, |
| }, |
| { |
| .name = "3", |
| .gpio = 10, |
| .active_low = 1, |
| }, |
| { |
| .name = "4", |
| .gpio = 12, |
| .active_low = 1, |
| }, |
| { |
| .name = "5", |
| .gpio = 9, |
| .active_low = 1, |
| }, |
| }; |
| |
| static struct gpio_led fb_fon_leds[] = { |
| { |
| .name = "1", |
| .gpio = 8, |
| }, |
| { |
| .name = "2", |
| .gpio = 3, |
| .active_low = 1, |
| }, |
| { |
| .name = "3", |
| .gpio = 5, |
| }, |
| { |
| .name = "4", |
| .gpio = 4, |
| .active_low = 1, |
| }, |
| { |
| .name = "5", |
| .gpio = 11, |
| .active_low = 1, |
| }, |
| }; |
| |
| static struct gpio_led_platform_data ar7_led_data; |
| |
| static struct platform_device ar7_gpio_leds = { |
| .name = "leds-gpio", |
| .id = -1, |
| .dev = { |
| .platform_data = &ar7_led_data, |
| } |
| }; |
| |
| static struct platform_device ar7_udc = { |
| .id = -1, |
| .name = "ar7_udc", |
| .resource = usb_res, |
| .num_resources = ARRAY_SIZE(usb_res), |
| }; |
| |
| static struct resource ar7_wdt_res = { |
| .name = "regs", |
| .start = -1, /* Filled at runtime */ |
| .end = -1, /* Filled at runtime */ |
| .flags = IORESOURCE_MEM, |
| }; |
| |
| static struct platform_device ar7_wdt = { |
| .id = -1, |
| .name = "ar7_wdt", |
| .resource = &ar7_wdt_res, |
| .num_resources = 1, |
| }; |
| |
| static inline unsigned char char2hex(char h) |
| { |
| switch (h) { |
| case '0': case '1': case '2': case '3': case '4': |
| case '5': case '6': case '7': case '8': case '9': |
| return h - '0'; |
| case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': |
| return h - 'A' + 10; |
| case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': |
| return h - 'a' + 10; |
| default: |
| return 0; |
| } |
| } |
| |
| static void cpmac_get_mac(int instance, unsigned char *dev_addr) |
| { |
| int i; |
| char name[5], default_mac[ETH_ALEN], *mac; |
| |
| mac = NULL; |
| sprintf(name, "mac%c", 'a' + instance); |
| mac = prom_getenv(name); |
| if (!mac) { |
| sprintf(name, "mac%c", 'a'); |
| mac = prom_getenv(name); |
| } |
| if (!mac) { |
| random_ether_addr(default_mac); |
| mac = default_mac; |
| } |
| for (i = 0; i < 6; i++) |
| dev_addr[i] = (char2hex(mac[i * 3]) << 4) + |
| char2hex(mac[i * 3 + 1]); |
| } |
| |
| static void __init detect_leds(void) |
| { |
| char *prid, *usb_prod; |
| |
| /* Default LEDs */ |
| ar7_led_data.num_leds = ARRAY_SIZE(default_leds); |
| ar7_led_data.leds = default_leds; |
| |
| /* FIXME: the whole thing is unreliable */ |
| prid = prom_getenv("ProductID"); |
| usb_prod = prom_getenv("usb_prod"); |
| |
| /* If we can't get the product id from PROM, use the default LEDs */ |
| if (!prid) |
| return; |
| |
| if (strstr(prid, "Fritz_Box_FON")) { |
| ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds); |
| ar7_led_data.leds = fb_fon_leds; |
| } else if (strstr(prid, "Fritz_Box_")) { |
| ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds); |
| ar7_led_data.leds = fb_sl_leds; |
| } else if ((!strcmp(prid, "AR7RD") || !strcmp(prid, "AR7DB")) |
| && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) { |
| ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds); |
| ar7_led_data.leds = dsl502t_leds; |
| } else if (strstr(prid, "DG834")) { |
| ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds); |
| ar7_led_data.leds = dg834g_leds; |
| } |
| } |
| |
| static int __init ar7_register_devices(void) |
| { |
| u16 chip_id; |
| int res; |
| #ifdef CONFIG_SERIAL_8250 |
| static struct uart_port uart_port[2]; |
| |
| memset(uart_port, 0, sizeof(struct uart_port) * 2); |
| |
| uart_port[0].type = PORT_16550A; |
| uart_port[0].line = 0; |
| uart_port[0].irq = AR7_IRQ_UART0; |
| uart_port[0].uartclk = ar7_bus_freq() / 2; |
| uart_port[0].iotype = UPIO_MEM32; |
| uart_port[0].mapbase = AR7_REGS_UART0; |
| uart_port[0].membase = ioremap(uart_port[0].mapbase, 256); |
| uart_port[0].regshift = 2; |
| res = early_serial_setup(&uart_port[0]); |
| if (res) |
| return res; |
| |
| |
| /* Only TNETD73xx have a second serial port */ |
| if (ar7_has_second_uart()) { |
| uart_port[1].type = PORT_16550A; |
| uart_port[1].line = 1; |
| uart_port[1].irq = AR7_IRQ_UART1; |
| uart_port[1].uartclk = ar7_bus_freq() / 2; |
| uart_port[1].iotype = UPIO_MEM32; |
| uart_port[1].mapbase = UR8_REGS_UART1; |
| uart_port[1].membase = ioremap(uart_port[1].mapbase, 256); |
| uart_port[1].regshift = 2; |
| res = early_serial_setup(&uart_port[1]); |
| if (res) |
| return res; |
| } |
| #endif /* CONFIG_SERIAL_8250 */ |
| res = platform_device_register(&physmap_flash); |
| if (res) |
| return res; |
| |
| ar7_device_disable(vlynq_low_data.reset_bit); |
| res = platform_device_register(&vlynq_low); |
| if (res) |
| return res; |
| |
| if (ar7_has_high_vlynq()) { |
| ar7_device_disable(vlynq_high_data.reset_bit); |
| res = platform_device_register(&vlynq_high); |
| if (res) |
| return res; |
| } |
| |
| if (ar7_has_high_cpmac()) { |
| res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status); |
| if (res && res != -ENODEV) |
| return res; |
| cpmac_get_mac(1, cpmac_high_data.dev_addr); |
| res = platform_device_register(&cpmac_high); |
| if (res) |
| return res; |
| } else { |
| cpmac_low_data.phy_mask = 0xffffffff; |
| } |
| |
| res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status); |
| if (res && res != -ENODEV) |
| return res; |
| |
| cpmac_get_mac(0, cpmac_low_data.dev_addr); |
| res = platform_device_register(&cpmac_low); |
| if (res) |
| return res; |
| |
| detect_leds(); |
| res = platform_device_register(&ar7_gpio_leds); |
| if (res) |
| return res; |
| |
| res = platform_device_register(&ar7_udc); |
| |
| chip_id = ar7_chip_id(); |
| switch (chip_id) { |
| case AR7_CHIP_7100: |
| case AR7_CHIP_7200: |
| ar7_wdt_res.start = AR7_REGS_WDT; |
| break; |
| case AR7_CHIP_7300: |
| ar7_wdt_res.start = UR8_REGS_WDT; |
| break; |
| default: |
| break; |
| } |
| |
| ar7_wdt_res.end = ar7_wdt_res.start + 0x20; |
| |
| res = platform_device_register(&ar7_wdt); |
| |
| return res; |
| } |
| arch_initcall(ar7_register_devices); |