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Diffstat (limited to 'arch/mips/ar7/platform.c')
-rw-r--r--arch/mips/ar7/platform.c587
1 files changed, 307 insertions, 280 deletions
diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c
index 1db191cd49c3..76a358ec15f0 100644
--- a/arch/mips/ar7/platform.c
+++ b/arch/mips/ar7/platform.c
@@ -42,39 +42,42 @@
#include <asm/mach-ar7/gpio.h>
#include <asm/mach-ar7/prom.h>
+/*****************************************************************************
+ * VLYNQ Bus
+ ****************************************************************************/
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;
+ int ret;
struct plat_vlynq_data *pdata = dev->dev.platform_data;
- result = gpio_request(pdata->gpio_bit, "vlynq");
- if (result)
+ ret = gpio_request(pdata->gpio_bit, "vlynq");
+ if (ret)
goto out;
ar7_device_reset(pdata->reset_bit);
- result = ar7_gpio_disable(pdata->gpio_bit);
- if (result)
+ ret = ar7_gpio_disable(pdata->gpio_bit);
+ if (ret)
goto out_enabled;
- result = ar7_gpio_enable(pdata->gpio_bit);
- if (result)
+ ret = ar7_gpio_enable(pdata->gpio_bit);
+ if (ret)
goto out_enabled;
- result = gpio_direction_output(pdata->gpio_bit, 0);
- if (result)
+ ret = gpio_direction_output(pdata->gpio_bit, 0);
+ if (ret)
goto out_gpio_enabled;
msleep(50);
gpio_set_value(pdata->gpio_bit, 1);
+
msleep(50);
return 0;
@@ -85,320 +88,384 @@ out_enabled:
ar7_device_disable(pdata->reset_bit);
gpio_free(pdata->gpio_bit);
out:
- return result;
+ return ret;
}
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[] = {
+static struct resource vlynq_low_res[] = {
{
- .name = "regs",
- .flags = IORESOURCE_MEM,
- .start = AR7_REGS_MAC0,
- .end = AR7_REGS_MAC0 + 0x7ff,
+ .name = "regs",
+ .flags = IORESOURCE_MEM,
+ .start = AR7_REGS_VLYNQ0,
+ .end = AR7_REGS_VLYNQ0 + 0xff,
},
{
- .name = "irq",
- .flags = IORESOURCE_IRQ,
- .start = 27,
- .end = 27,
+ .name = "irq",
+ .flags = IORESOURCE_IRQ,
+ .start = 29,
+ .end = 29,
},
-};
-
-static struct resource cpmac_high_res[] = {
{
- .name = "regs",
- .flags = IORESOURCE_MEM,
- .start = AR7_REGS_MAC1,
- .end = AR7_REGS_MAC1 + 0x7ff,
+ .name = "mem",
+ .flags = IORESOURCE_MEM,
+ .start = 0x04000000,
+ .end = 0x04ffffff,
},
{
- .name = "irq",
- .flags = IORESOURCE_IRQ,
- .start = 41,
- .end = 41,
+ .name = "devirq",
+ .flags = IORESOURCE_IRQ,
+ .start = 80,
+ .end = 111,
},
};
-static struct resource vlynq_low_res[] = {
+static struct resource vlynq_high_res[] = {
{
- .name = "regs",
- .flags = IORESOURCE_MEM,
- .start = AR7_REGS_VLYNQ0,
- .end = AR7_REGS_VLYNQ0 + 0xff,
+ .name = "regs",
+ .flags = IORESOURCE_MEM,
+ .start = AR7_REGS_VLYNQ1,
+ .end = AR7_REGS_VLYNQ1 + 0xff,
},
{
- .name = "irq",
- .flags = IORESOURCE_IRQ,
- .start = 29,
- .end = 29,
+ .name = "irq",
+ .flags = IORESOURCE_IRQ,
+ .start = 33,
+ .end = 33,
},
{
- .name = "mem",
- .flags = IORESOURCE_MEM,
- .start = 0x04000000,
- .end = 0x04ffffff,
+ .name = "mem",
+ .flags = IORESOURCE_MEM,
+ .start = 0x0c000000,
+ .end = 0x0cffffff,
},
{
- .name = "devirq",
- .flags = IORESOURCE_IRQ,
- .start = 80,
- .end = 111,
+ .name = "devirq",
+ .flags = IORESOURCE_IRQ,
+ .start = 112,
+ .end = 143,
},
};
-static struct resource vlynq_high_res[] = {
- {
- .name = "regs",
- .flags = IORESOURCE_MEM,
- .start = AR7_REGS_VLYNQ1,
- .end = AR7_REGS_VLYNQ1 + 0xff,
+static struct plat_vlynq_data vlynq_low_data = {
+ .ops = {
+ .on = vlynq_on,
+ .off = vlynq_off,
},
- {
- .name = "irq",
- .flags = IORESOURCE_IRQ,
- .start = 33,
- .end = 33,
+ .reset_bit = 20,
+ .gpio_bit = 18,
+};
+
+static struct plat_vlynq_data vlynq_high_data = {
+ .ops = {
+ .on = vlynq_on,
+ .off = vlynq_off,
},
- {
- .name = "mem",
- .flags = IORESOURCE_MEM,
- .start = 0x0c000000,
- .end = 0x0cffffff,
+ .reset_bit = 26,
+ .gpio_bit = 19,
+};
+
+static struct platform_device vlynq_low = {
+ .id = 0,
+ .name = "vlynq",
+ .dev = {
+ .platform_data = &vlynq_low_data,
},
- {
- .name = "devirq",
- .flags = IORESOURCE_IRQ,
- .start = 112,
- .end = 143,
+ .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 resource usb_res[] = {
- {
- .name = "regs",
- .flags = IORESOURCE_MEM,
- .start = AR7_REGS_USB,
- .end = AR7_REGS_USB + 0xff,
+/*****************************************************************************
+ * Flash
+ ****************************************************************************/
+static struct resource physmap_flash_resource = {
+ .name = "mem",
+ .flags = IORESOURCE_MEM,
+ .start = 0x10000000,
+ .end = 0x107fffff,
+};
+
+static struct physmap_flash_data physmap_flash_data = {
+ .width = 2,
+};
+
+static struct platform_device physmap_flash = {
+ .name = "physmap-flash",
+ .dev = {
+ .platform_data = &physmap_flash_data,
},
+ .resource = &physmap_flash_resource,
+ .num_resources = 1,
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+static struct resource cpmac_low_res[] = {
{
- .name = "irq",
- .flags = IORESOURCE_IRQ,
- .start = 32,
- .end = 32,
+ .name = "regs",
+ .flags = IORESOURCE_MEM,
+ .start = AR7_REGS_MAC0,
+ .end = AR7_REGS_MAC0 + 0x7ff,
},
{
- .name = "mem",
- .flags = IORESOURCE_MEM,
- .start = 0x03400000,
- .end = 0x03401fff,
+ .name = "irq",
+ .flags = IORESOURCE_IRQ,
+ .start = 27,
+ .end = 27,
},
};
-static struct physmap_flash_data physmap_flash_data = {
- .width = 2,
+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 fixed_phy_status fixed_phy_status __initdata = {
- .link = 1,
- .speed = 100,
- .duplex = 1,
+ .link = 1,
+ .speed = 100,
+ .duplex = 1,
};
static struct plat_cpmac_data cpmac_low_data = {
- .reset_bit = 17,
- .power_bit = 20,
- .phy_mask = 0x80000000,
+ .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,
+ .reset_bit = 21,
+ .power_bit = 22,
+ .phy_mask = 0x7fffffff,
};
static u64 cpmac_dma_mask = DMA_BIT_MASK(32);
+
static struct platform_device cpmac_low = {
- .id = 0,
- .name = "cpmac",
+ .id = 0,
+ .name = "cpmac",
.dev = {
- .dma_mask = &cpmac_dma_mask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- .platform_data = &cpmac_low_data,
+ .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),
+ .resource = cpmac_low_res,
+ .num_resources = ARRAY_SIZE(cpmac_low_res),
};
static struct platform_device cpmac_high = {
- .id = 1,
- .name = "cpmac",
+ .id = 1,
+ .name = "cpmac",
.dev = {
- .dma_mask = &cpmac_dma_mask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- .platform_data = &cpmac_high_data,
+ .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),
+ .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 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 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 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]);
+}
+
+/*****************************************************************************
+ * USB
+ ****************************************************************************/
+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 platform_device ar7_udc = {
+ .name = "ar7_udc",
+ .resource = usb_res,
+ .num_resources = ARRAY_SIZE(usb_res),
+};
+/*****************************************************************************
+ * LEDs
+ ****************************************************************************/
static struct gpio_led default_leds[] = {
{
- .name = "status",
- .gpio = 8,
- .active_low = 1,
+ .name = "status",
+ .gpio = 8,
+ .active_low = 1,
},
};
static struct gpio_led dsl502t_leds[] = {
{
- .name = "status",
- .gpio = 9,
- .active_low = 1,
+ .name = "status",
+ .gpio = 9,
+ .active_low = 1,
},
{
- .name = "ethernet",
- .gpio = 7,
- .active_low = 1,
+ .name = "ethernet",
+ .gpio = 7,
+ .active_low = 1,
},
{
- .name = "usb",
- .gpio = 12,
- .active_low = 1,
+ .name = "usb",
+ .gpio = 12,
+ .active_low = 1,
},
};
static struct gpio_led dg834g_leds[] = {
{
- .name = "ppp",
- .gpio = 6,
- .active_low = 1,
+ .name = "ppp",
+ .gpio = 6,
+ .active_low = 1,
},
{
- .name = "status",
- .gpio = 7,
- .active_low = 1,
+ .name = "status",
+ .gpio = 7,
+ .active_low = 1,
},
{
- .name = "adsl",
- .gpio = 8,
- .active_low = 1,
+ .name = "adsl",
+ .gpio = 8,
+ .active_low = 1,
},
{
- .name = "wifi",
- .gpio = 12,
- .active_low = 1,
+ .name = "wifi",
+ .gpio = 12,
+ .active_low = 1,
},
{
- .name = "power",
- .gpio = 14,
- .active_low = 1,
- .default_trigger = "default-on",
+ .name = "power",
+ .gpio = 14,
+ .active_low = 1,
+ .default_trigger = "default-on",
},
};
static struct gpio_led fb_sl_leds[] = {
{
- .name = "1",
- .gpio = 7,
+ .name = "1",
+ .gpio = 7,
},
{
- .name = "2",
- .gpio = 13,
- .active_low = 1,
+ .name = "2",
+ .gpio = 13,
+ .active_low = 1,
},
{
- .name = "3",
- .gpio = 10,
- .active_low = 1,
+ .name = "3",
+ .gpio = 10,
+ .active_low = 1,
},
{
- .name = "4",
- .gpio = 12,
- .active_low = 1,
+ .name = "4",
+ .gpio = 12,
+ .active_low = 1,
},
{
- .name = "5",
- .gpio = 9,
- .active_low = 1,
+ .name = "5",
+ .gpio = 9,
+ .active_low = 1,
},
};
static struct gpio_led fb_fon_leds[] = {
{
- .name = "1",
- .gpio = 8,
+ .name = "1",
+ .gpio = 8,
},
{
- .name = "2",
- .gpio = 3,
- .active_low = 1,
+ .name = "2",
+ .gpio = 3,
+ .active_low = 1,
},
{
- .name = "3",
- .gpio = 5,
+ .name = "3",
+ .gpio = 5,
},
{
- .name = "4",
- .gpio = 4,
- .active_low = 1,
+ .name = "4",
+ .gpio = 4,
+ .active_low = 1,
},
{
- .name = "5",
- .gpio = 11,
- .active_low = 1,
+ .name = "5",
+ .gpio = 11,
+ .active_low = 1,
},
};
@@ -406,69 +473,11 @@ 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;
@@ -501,6 +510,25 @@ static void __init detect_leds(void)
}
}
+/*****************************************************************************
+ * Watchdog
+ ****************************************************************************/
+static struct resource ar7_wdt_res = {
+ .name = "regs",
+ .flags = IORESOURCE_MEM,
+ .start = -1, /* Filled at runtime */
+ .end = -1, /* Filled at runtime */
+};
+
+static struct platform_device ar7_wdt = {
+ .name = "ar7_wdt",
+ .resource = &ar7_wdt_res,
+ .num_resources = 1,
+};
+
+/*****************************************************************************
+ * Init
+ ****************************************************************************/
static int __init ar7_register_devices(void)
{
u16 chip_id;
@@ -516,29 +544,28 @@ static int __init ar7_register_devices(void)
if (IS_ERR(bus_clk))
panic("unable to get bus clk\n");
- uart_port[0].type = PORT_16550A;
- uart_port[0].line = 0;
- uart_port[0].irq = AR7_IRQ_UART0;
- uart_port[0].uartclk = clk_get_rate(bus_clk) / 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;
+ uart_port[0].type = PORT_16550A;
+ uart_port[0].line = 0;
+ uart_port[0].irq = AR7_IRQ_UART0;
+ uart_port[0].uartclk = clk_get_rate(bus_clk) / 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 = clk_get_rate(bus_clk) / 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;
+ uart_port[1].type = PORT_16550A;
+ uart_port[1].line = 1;
+ uart_port[1].irq = AR7_IRQ_UART1;
+ uart_port[1].uartclk = clk_get_rate(bus_clk) / 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;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-20 17:21:43 +0300