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authorFlorian Fainelli <florian@openwrt.org>2009-07-15 12:09:34 +0200
committerRalf Baechle <ralf@linux-mips.org>2009-09-17 20:07:48 +0200
commitd47fbb5996269f3081deb7a1b4ba717557256555 (patch)
tree7f2c8fce4a9d8d37708692a9a654974f197d362c
parent6f4c7b32e156ac67ae170554cfba0929272c7adf (diff)
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MIPS: AR7: Make board code register ar7_wdt as a platform device
This patch makes the board code register the ar7_wdt driver as a platform device. We move the dynamic resource calculation here since the driver should not be aware of the AR7 SoC version it is running on. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/ar7/platform.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c
index cf50fa29b198..e2278c04459d 100644
--- a/arch/mips/ar7/platform.c
+++ b/arch/mips/ar7/platform.c
@@ -417,6 +417,20 @@ static struct platform_device ar7_udc = {
.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) {
@@ -487,6 +501,7 @@ static void __init detect_leds(void)
static int __init ar7_register_devices(void)
{
+ u16 chip_id;
int res;
#ifdef CONFIG_SERIAL_8250
static struct uart_port uart_port[2];
@@ -565,6 +580,23 @@ static int __init ar7_register_devices(void)
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);