1 files changed, 555 insertions, 0 deletions

diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c
new file mode 100644
index 00000000000..2ecab615593
--- /dev/null
+++ b/arch/mips/ar7/platform.c
@@ -0,0 +1,555 @@
+/*
+ * 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 <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 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 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)
+{
+        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()) {
+                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;
+        }
+
+        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);
+
+        return res;
+}
+arch_initcall(ar7_register_devices);