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Diffstat (limited to 'cpu/mpc85xx/cpu_init.c')
-rw-r--r--cpu/mpc85xx/cpu_init.c38
1 files changed, 37 insertions, 1 deletions
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c
index fdb9ecbd509..c0ff1d5120d 100644
--- a/cpu/mpc85xx/cpu_init.c
+++ b/cpu/mpc85xx/cpu_init.c
@@ -31,6 +31,8 @@
#include <asm/processor.h>
#include <ioports.h>
#include <asm/io.h>
+#include <asm/mmu.h>
+#include <asm/fsl_law.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -122,6 +124,34 @@ void config_8560_ioports (volatile ccsr_cpm_t * cpm)
}
#endif
+/* We run cpu_init_early_f in AS = 1 */
+void cpu_init_early_f(void)
+{
+ set_tlb(0, CFG_CCSRBAR, CFG_CCSRBAR,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 1, 0, BOOKE_PAGESZ_4K, 0);
+
+ /* set up CCSR if we want it moved */
+#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
+ {
+ u32 temp;
+
+ set_tlb(0, CFG_CCSRBAR_DEFAULT, CFG_CCSRBAR_DEFAULT,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 1, 1, BOOKE_PAGESZ_4K, 0);
+
+ temp = in_be32((volatile u32 *)CFG_CCSRBAR_DEFAULT);
+ out_be32((volatile u32 *)CFG_CCSRBAR_DEFAULT, CFG_CCSRBAR >> 12);
+
+ temp = in_be32((volatile u32 *)CFG_CCSRBAR);
+ }
+#endif
+
+ init_laws();
+ invalidate_tlb(0);
+ init_tlbs();
+}
+
/*
* Breathe some life into the CPU...
*
@@ -134,13 +164,15 @@ void cpu_init_f (void)
volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
extern void m8560_cpm_reset (void);
+ disable_tlb(14);
+ disable_tlb(15);
+
/* Pointer is writable since we allocated a register for it */
gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
/* Clear initial global data */
memset ((void *) gd, 0, sizeof (gd_t));
-
#ifdef CONFIG_CPM2
config_8560_ioports((ccsr_cpm_t *)CFG_MPC85xx_CPM_ADDR);
#endif
@@ -222,11 +254,15 @@ void cpu_init_f (void)
int cpu_init_r(void)
{
#ifdef CONFIG_CLEAR_LAW0
+#ifdef CONFIG_FSL_LAW
+ disable_law(0);
+#else
volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
/* clear alternate boot location LAW (used for sdram, or ddr bank) */
ecm->lawar0 = 0;
#endif
+#endif
#if defined(CONFIG_L2_CACHE)
volatile ccsr_l2cache_t *l2cache = (void *)CFG_MPC85xx_L2_ADDR;