11454100f4
Signed-off-by: Florian Fainelli <florian@openwrt.org> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2490/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
694 lines
15 KiB
C
694 lines
15 KiB
C
/*
|
|
* 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 <linux/gpio.h>
|
|
#include <linux/clk.h>
|
|
|
|
#include <asm/addrspace.h>
|
|
#include <asm/mach-ar7/ar7.h>
|
|
#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 ret;
|
|
struct plat_vlynq_data *pdata = dev->dev.platform_data;
|
|
|
|
ret = gpio_request(pdata->gpio_bit, "vlynq");
|
|
if (ret)
|
|
goto out;
|
|
|
|
ar7_device_reset(pdata->reset_bit);
|
|
|
|
ret = ar7_gpio_disable(pdata->gpio_bit);
|
|
if (ret)
|
|
goto out_enabled;
|
|
|
|
ret = ar7_gpio_enable(pdata->gpio_bit);
|
|
if (ret)
|
|
goto out_enabled;
|
|
|
|
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;
|
|
|
|
out_gpio_enabled:
|
|
ar7_gpio_disable(pdata->gpio_bit);
|
|
out_enabled:
|
|
ar7_device_disable(pdata->reset_bit);
|
|
gpio_free(pdata->gpio_bit);
|
|
out:
|
|
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 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 plat_vlynq_data vlynq_low_data = {
|
|
.ops = {
|
|
.on = vlynq_on,
|
|
.off = vlynq_off,
|
|
},
|
|
.reset_bit = 20,
|
|
.gpio_bit = 18,
|
|
};
|
|
|
|
static struct plat_vlynq_data vlynq_high_data = {
|
|
.ops = {
|
|
.on = vlynq_on,
|
|
.off = vlynq_off,
|
|
},
|
|
.reset_bit = 16,
|
|
.gpio_bit = 19,
|
|
};
|
|
|
|
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),
|
|
};
|
|
|
|
/*****************************************************************************
|
|
* 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 = "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 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 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 void __init cpmac_get_mac(int instance, unsigned char *dev_addr)
|
|
{
|
|
char name[5], *mac;
|
|
|
|
sprintf(name, "mac%c", 'a' + instance);
|
|
mac = prom_getenv(name);
|
|
if (!mac && instance) {
|
|
sprintf(name, "mac%c", 'a');
|
|
mac = prom_getenv(name);
|
|
}
|
|
|
|
if (mac) {
|
|
if (sscanf(mac, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
|
|
&dev_addr[0], &dev_addr[1],
|
|
&dev_addr[2], &dev_addr[3],
|
|
&dev_addr[4], &dev_addr[5]) != 6) {
|
|
pr_warning("cannot parse mac address, "
|
|
"using random address\n");
|
|
random_ether_addr(dev_addr);
|
|
}
|
|
} else
|
|
random_ether_addr(dev_addr);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* 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 = 0x03401fff,
|
|
},
|
|
};
|
|
|
|
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,
|
|
},
|
|
};
|
|
|
|
static struct gpio_led titan_leds[] = {
|
|
{ .name = "status", .gpio = 8, .active_low = 1, },
|
|
{ .name = "wifi", .gpio = 13, .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",
|
|
.dev = {
|
|
.platform_data = &ar7_led_data,
|
|
}
|
|
};
|
|
|
|
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;
|
|
} else if (strstr(prid, "CYWM") || strstr(prid, "CYWL")) {
|
|
ar7_led_data.num_leds = ARRAY_SIZE(titan_leds);
|
|
ar7_led_data.leds = titan_leds;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* 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_uarts(void)
|
|
{
|
|
#ifdef CONFIG_SERIAL_8250
|
|
static struct uart_port uart_port __initdata;
|
|
struct clk *bus_clk;
|
|
int res;
|
|
|
|
memset(&uart_port, 0, sizeof(struct uart_port));
|
|
|
|
bus_clk = clk_get(NULL, "bus");
|
|
if (IS_ERR(bus_clk))
|
|
panic("unable to get bus clk\n");
|
|
|
|
uart_port.type = PORT_AR7;
|
|
uart_port.uartclk = clk_get_rate(bus_clk) / 2;
|
|
uart_port.iotype = UPIO_MEM32;
|
|
uart_port.regshift = 2;
|
|
|
|
uart_port.line = 0;
|
|
uart_port.irq = AR7_IRQ_UART0;
|
|
uart_port.mapbase = AR7_REGS_UART0;
|
|
uart_port.membase = ioremap(uart_port.mapbase, 256);
|
|
|
|
res = early_serial_setup(&uart_port);
|
|
if (res)
|
|
return res;
|
|
|
|
/* Only TNETD73xx have a second serial port */
|
|
if (ar7_has_second_uart()) {
|
|
uart_port.line = 1;
|
|
uart_port.irq = AR7_IRQ_UART1;
|
|
uart_port.mapbase = UR8_REGS_UART1;
|
|
uart_port.membase = ioremap(uart_port.mapbase, 256);
|
|
|
|
res = early_serial_setup(&uart_port);
|
|
if (res)
|
|
return res;
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __init titan_fixup_devices(void)
|
|
{
|
|
/* Set vlynq0 data */
|
|
vlynq_low_data.reset_bit = 15;
|
|
vlynq_low_data.gpio_bit = 14;
|
|
|
|
/* Set vlynq1 data */
|
|
vlynq_high_data.reset_bit = 16;
|
|
vlynq_high_data.gpio_bit = 7;
|
|
|
|
/* Set vlynq0 resources */
|
|
vlynq_low_res[0].start = TITAN_REGS_VLYNQ0;
|
|
vlynq_low_res[0].end = TITAN_REGS_VLYNQ0 + 0xff;
|
|
vlynq_low_res[1].start = 33;
|
|
vlynq_low_res[1].end = 33;
|
|
vlynq_low_res[2].start = 0x0c000000;
|
|
vlynq_low_res[2].end = 0x0fffffff;
|
|
vlynq_low_res[3].start = 80;
|
|
vlynq_low_res[3].end = 111;
|
|
|
|
/* Set vlynq1 resources */
|
|
vlynq_high_res[0].start = TITAN_REGS_VLYNQ1;
|
|
vlynq_high_res[0].end = TITAN_REGS_VLYNQ1 + 0xff;
|
|
vlynq_high_res[1].start = 34;
|
|
vlynq_high_res[1].end = 34;
|
|
vlynq_high_res[2].start = 0x40000000;
|
|
vlynq_high_res[2].end = 0x43ffffff;
|
|
vlynq_high_res[3].start = 112;
|
|
vlynq_high_res[3].end = 143;
|
|
|
|
/* Set cpmac0 data */
|
|
cpmac_low_data.phy_mask = 0x40000000;
|
|
|
|
/* Set cpmac1 data */
|
|
cpmac_high_data.phy_mask = 0x80000000;
|
|
|
|
/* Set cpmac0 resources */
|
|
cpmac_low_res[0].start = TITAN_REGS_MAC0;
|
|
cpmac_low_res[0].end = TITAN_REGS_MAC0 + 0x7ff;
|
|
|
|
/* Set cpmac1 resources */
|
|
cpmac_high_res[0].start = TITAN_REGS_MAC1;
|
|
cpmac_high_res[0].end = TITAN_REGS_MAC1 + 0x7ff;
|
|
}
|
|
|
|
static int __init ar7_register_devices(void)
|
|
{
|
|
void __iomem *bootcr;
|
|
u32 val;
|
|
int res;
|
|
|
|
res = ar7_register_uarts();
|
|
if (res)
|
|
pr_err("unable to setup uart(s): %d\n", res);
|
|
|
|
res = platform_device_register(&physmap_flash);
|
|
if (res)
|
|
pr_warning("unable to register physmap-flash: %d\n", res);
|
|
|
|
if (ar7_is_titan())
|
|
titan_fixup_devices();
|
|
|
|
ar7_device_disable(vlynq_low_data.reset_bit);
|
|
res = platform_device_register(&vlynq_low);
|
|
if (res)
|
|
pr_warning("unable to register vlynq-low: %d\n", res);
|
|
|
|
if (ar7_has_high_vlynq()) {
|
|
ar7_device_disable(vlynq_high_data.reset_bit);
|
|
res = platform_device_register(&vlynq_high);
|
|
if (res)
|
|
pr_warning("unable to register vlynq-high: %d\n", res);
|
|
}
|
|
|
|
if (ar7_has_high_cpmac()) {
|
|
res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
|
|
if (!res) {
|
|
cpmac_get_mac(1, cpmac_high_data.dev_addr);
|
|
|
|
res = platform_device_register(&cpmac_high);
|
|
if (res)
|
|
pr_warning("unable to register cpmac-high: %d\n", res);
|
|
} else
|
|
pr_warning("unable to add cpmac-high phy: %d\n", res);
|
|
} else
|
|
cpmac_low_data.phy_mask = 0xffffffff;
|
|
|
|
res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
|
|
if (!res) {
|
|
cpmac_get_mac(0, cpmac_low_data.dev_addr);
|
|
res = platform_device_register(&cpmac_low);
|
|
if (res)
|
|
pr_warning("unable to register cpmac-low: %d\n", res);
|
|
} else
|
|
pr_warning("unable to add cpmac-low phy: %d\n", res);
|
|
|
|
detect_leds();
|
|
res = platform_device_register(&ar7_gpio_leds);
|
|
if (res)
|
|
pr_warning("unable to register leds: %d\n", res);
|
|
|
|
res = platform_device_register(&ar7_udc);
|
|
if (res)
|
|
pr_warning("unable to register usb slave: %d\n", res);
|
|
|
|
/* Register watchdog only if enabled in hardware */
|
|
bootcr = ioremap_nocache(AR7_REGS_DCL, 4);
|
|
val = readl(bootcr);
|
|
iounmap(bootcr);
|
|
if (val & AR7_WDT_HW_ENA) {
|
|
if (ar7_has_high_vlynq())
|
|
ar7_wdt_res.start = UR8_REGS_WDT;
|
|
else
|
|
ar7_wdt_res.start = AR7_REGS_WDT;
|
|
|
|
ar7_wdt_res.end = ar7_wdt_res.start + 0x20;
|
|
res = platform_device_register(&ar7_wdt);
|
|
if (res)
|
|
pr_warning("unable to register watchdog: %d\n", res);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
device_initcall(ar7_register_devices);
|