ARM: mx28: Remove CONFIG_ARCH_CPU_INIT

[oweals/u-boot.git] / arch / arm / cpu / arm926ejs / at91 / reset.c

diff --git a/arch/arm/cpu/arm926ejs/at91/reset.c b/arch/arm/cpu/arm926ejs/at91/reset.c
index 1b67e77887f762f4ebda6c3394824a67866e0b6b..f6a7cb7a86a3a6b602f7852d5f24075da9551422 100644 (file)
--- a/arch/arm/cpu/arm926ejs/at91/reset.c
+++ b/arch/arm/cpu/arm926ejs/at91/reset.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2007-2008
- * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Stelian Pop <stelian@popies.net>
  * Lead Tech Design <www.leadtechdesign.com>
  *
  * See file CREDITS for list of people who contributed to this
@@ -23,22 +23,23 @@
  */
 
 #include <common.h>
+#include <asm/io.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/at91_rstc.h>
-#include <asm/arch/io.h>
 
-/*
- * Reset the cpu by setting up the watchdog timer and let him time out.
- */
+/* Reset the cpu by telling the reset controller to do so */
 void reset_cpu(ulong ignored)
 {
-       at91_rstc_t *rstc = (at91_rstc_t *) AT91_RSTC_BASE;
-
-       /* this is the way Linux does it */
-
-       writel(AT91_RSTC_KEY | AT91_RSTC_CR_PROCRST | AT91_RSTC_CR_PERRST,
-               &rstc->cr);
+       at91_rstc_t *rstc = (at91_rstc_t *) ATMEL_BASE_RSTC;
 
-       while (1);
-       /* Never reached */
+       writel(AT91_RSTC_KEY
+               | AT91_RSTC_CR_PROCRST  /* Processor Reset */
+               | AT91_RSTC_CR_PERRST   /* Peripheral Reset */
+#ifdef CONFIG_AT91RESET_EXTRST
+               | AT91_RSTC_CR_EXTRST   /* External Reset (assert nRST pin) */
+#endif
+               , &rstc->cr);
+       /* never reached */
+       while (1)
+               ;
 }