X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/4c2865ecebb5e6975d8cbbeaf37b478b7cd75604..59f0b5d7218274f52c546fbf61d3e6c30472632d:/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c

diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c
index 3b575f620..fd6122f58 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c
@@ -1,7 +1,7 @@
 /*
  *  Ralink RT288x SoC platform device registration
  *
- *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  *
  *  This program is free software; you can redistribute it and/or modify it
@@ -14,6 +14,8 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/physmap.h>
 #include <linux/etherdevice.h>
+#include <linux/err.h>
+#include <linux/clk.h>
 
 #include <asm/addrspace.h>
 
@@ -154,7 +156,13 @@ static struct platform_device rt288x_eth_device = {
 
 void __init rt288x_register_ethernet(void)
 {
-	rt288x_eth_data.sys_freq = rt288x_sys_freq;
+	struct clk *clk;
+
+	clk = clk_get(NULL, "sys");
+	if (IS_ERR(clk))
+		panic("unable to get SYS clock, err=%ld", PTR_ERR(clk));
+
+	rt288x_eth_data.sys_freq = clk_get_rate(clk);
 	rt288x_eth_data.reset_fe = rt288x_fe_reset;
 	rt288x_eth_data.min_pkt_len = 64;
 
@@ -163,3 +171,30 @@ void __init rt288x_register_ethernet(void)
 
 	platform_device_register(&rt288x_eth_device);
 }
+
+static struct resource rt288x_wdt_resources[] = {
+	{
+		.start	= RT2880_TIMER_BASE,
+		.end	= RT2880_TIMER_BASE + RT2880_TIMER_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device rt288x_wdt_device = {
+	.name		= "ramips-wdt",
+	.id		= -1,
+	.resource	= rt288x_wdt_resources,
+	.num_resources	= ARRAY_SIZE(rt288x_wdt_resources),
+};
+
+void __init rt288x_register_wdt(void)
+{
+	u32 t;
+
+	/* enable WDT reset output on pin SRAM_CS_N */
+	t = rt288x_sysc_rr(SYSC_REG_CLKCFG);
+	t |= CLKCFG_SRAM_CS_N_WDT;
+	rt288x_sysc_wr(t, SYSC_REG_CLKCFG);
+
+	platform_device_register(&rt288x_wdt_device);
+}