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authorStefan Roese <sr@denx.de>2006-10-07 11:30:52 +0200
committerStefan Roese <sr@denx.de>2006-10-07 11:30:52 +0200
commitf3443867e90d2979a7dd1c65b0d537777e1f9850 (patch)
tree8247e64ae645a4b5a51768850c5ad3bd8c0fd3e1 /cpu/ppc4xx/cpu.c
parent64cd52efd1dc51a4a5a0cf10efe5362fab27de29 (diff)
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Add CONFIG_BOARD_RESET to configure board specific reset function
Patch by Stefan Roese, 07 Oct 2006
Diffstat (limited to 'cpu/ppc4xx/cpu.c')
-rw-r--r--cpu/ppc4xx/cpu.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c
index 94478db..4e81ce2 100644
--- a/cpu/ppc4xx/cpu.c
+++ b/cpu/ppc4xx/cpu.c
@@ -41,6 +41,10 @@
DECLARE_GLOBAL_DATA_PTR;
#endif
+#if defined(CONFIG_BOARD_RESET)
+void board_reset(void);
+#endif
+
#if defined(CONFIG_440)
#define FREQ_EBC (sys_info.freqEPB)
#else
@@ -414,23 +418,15 @@ int ppc440spe_revB() {
int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
-#if defined(CONFIG_YOSEMITE) || defined(CONFIG_YELLOWSTONE)
- /*give reset to BCSR*/
- *(unsigned char*)(CFG_BCSR_BASE | 0x06) = 0x09;
-
+#if defined(CONFIG_BOARD_RESET)
+ board_reset();
#else
-
/*
* Initiate system reset in debug control register DBCR
*/
- __asm__ __volatile__("lis 3, 0x3000" ::: "r3");
-#if defined(CONFIG_440)
- __asm__ __volatile__("mtspr 0x134, 3");
-#else
- __asm__ __volatile__("mtspr 0x3f2, 3");
-#endif
+ mtspr(dbcr0, 0x30000000);
+#endif /* defined(CONFIG_BOARD_RESET) */
-#endif/* defined(CONFIG_YOSEMITE) || defined(CONFIG_YELLOWSTONE)*/
return 1;
}