85xx: Move LAW init code into C
Move the initialization of the LAWs into C code and provide an API
to allow modification of LAWs after init.
Board code is responsible to provide a law_table and num_law_entries.
We should be able to use the same code on 86xx as well.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c
index fdb9ecb..9a65142 100644
--- a/cpu/mpc85xx/cpu_init.c
+++ b/cpu/mpc85xx/cpu_init.c
@@ -31,6 +31,7 @@
#include <asm/processor.h>
#include <ioports.h>
#include <asm/io.h>
+#include <asm/fsl_law.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -140,6 +141,9 @@
/* Clear initial global data */
memset ((void *) gd, 0, sizeof (gd_t));
+#ifdef CONFIG_FSL_LAW
+ init_laws();
+#endif
#ifdef CONFIG_CPM2
config_8560_ioports((ccsr_cpm_t *)CFG_MPC85xx_CPM_ADDR);
@@ -222,11 +226,15 @@
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;