X-Git-Url: http://git.ozo.com/?a=blobdiff_plain;f=target%2Flinux%2Fxburst%2Ffiles-2.6.32%2Farch%2Fmips%2Fjz4740%2Freset.c;fp=target%2Flinux%2Fxburst%2Ffiles-2.6.32%2Farch%2Fmips%2Fjz4740%2Freset.c;h=a4b2292f101ab17022d9c0e8cd123b6401961718;hb=809c03fe4c0f90c640b26e6a2792553b592c68f2;hp=0000000000000000000000000000000000000000;hpb=19682a7752733bc6a45026d69c27575b9b7755fd;p=openwrt-10.03%2F.git

diff --git a/target/linux/xburst/files-2.6.32/arch/mips/jz4740/reset.c b/target/linux/xburst/files-2.6.32/arch/mips/jz4740/reset.c
new file mode 100644
index 000000000..a4b2292f1
--- /dev/null
+++ b/target/linux/xburst/files-2.6.32/arch/mips/jz4740/reset.c
@@ -0,0 +1,50 @@
+/*
+ * linux/arch/mips/jz4740/reset.c
+ *
+ * JZ4740 reset routines.
+ *
+ * Copyright (c) 2006-2007  Ingenic Semiconductor Inc.
+ * Author: <yliu@ingenic.cn>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <asm/io.h>
+#include <asm/pgtable.h>
+#include <asm/processor.h>
+#include <asm/reboot.h>
+#include <asm/system.h>
+#include <asm/mach-jz4740/regs.h>
+#include <asm/mach-jz4740/timer.h>
+#include <asm/mach-jz4740/jz4740.h>
+
+void jz_restart(char *command)
+{
+	printk(KERN_NOTICE "Restarting after 4 ms\n");
+	REG_WDT_TCSR = WDT_TCSR_PRESCALE4 | WDT_TCSR_EXT_EN;
+	REG_WDT_TCNT = 0;
+	REG_WDT_TDR = JZ_EXTAL/1000;   /* reset after 4ms */
+	jz4740_timer_enable_watchdog();
+	REG_WDT_TCER = WDT_TCER_TCEN;  /* wdt start */
+	while (1);
+}
+
+void jz_halt(void)
+{
+	/* Put CPU to power down mode */
+	while (!(REG_RTC_RCR & RTC_RCR_WRDY));
+	REG_RTC_HCR = RTC_HCR_PD;
+
+	while (1)
+		__asm__(".set\tmips3\n\t"
+	                "wait\n\t"
+			".set\tmips0");
+}
+
+void jz_power_off(void)
+{
+	jz_halt();
+}