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-rw-r--r--cpu/ppc4xx/405gp_pci.c4
-rw-r--r--cpu/ppc4xx/cpu.c20
-rw-r--r--cpu/ppc4xx/sdram.c8
3 files changed, 20 insertions, 12 deletions
diff --git a/cpu/ppc4xx/405gp_pci.c b/cpu/ppc4xx/405gp_pci.c
index 03128d3..9b711e2 100644
--- a/cpu/ppc4xx/405gp_pci.c
+++ b/cpu/ppc4xx/405gp_pci.c
@@ -475,7 +475,11 @@ void pci_440_init (struct pci_controller *hose)
pci_set_region(hose->regions + reg_num++,
CFG_PCI_TARGBASE,
CFG_PCI_MEMBASE,
+#ifdef CFG_PCI_MEMSIZE
+ CFG_PCI_MEMSIZE,
+#else
0x10000000,
+#endif
PCI_REGION_MEM );
#if defined(CONFIG_PCI_SYS_MEM_BUS) && defined(CONFIG_PCI_SYS_MEM_PHYS) && \
diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c
index f4a7208..faa5257 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
@@ -422,23 +426,15 @@ 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;
}
diff --git a/cpu/ppc4xx/sdram.c b/cpu/ppc4xx/sdram.c
index faeea5c..f06038e 100644
--- a/cpu/ppc4xx/sdram.c
+++ b/cpu/ppc4xx/sdram.c
@@ -351,6 +351,14 @@ long int initdram(int board_type)
int i;
int tr1_bank1;
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+ /*
+ * Soft-reset SDRAM controller.
+ */
+ mtsdr(sdr_srst, SDR0_SRST_DMC);
+ mtsdr(sdr_srst, 0x00000000);
+#endif
+
for (i=0; i<N_MB0CF; i++) {
/*
* Disable memory controller.