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86xx: Add print_laws function to fsl_law.c

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This can be used for debug, and will be used by board code
to help implement reginfo.

Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
This commit is contained in:
Becky Bruce 2008-01-23 16:31:05 -06:00 committed by Jon Loeliger
parent 9cd32426f2
commit ddcebcb638
2 changed files with 20 additions and 0 deletions
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19
drivers/misc/fsl_law.c
View file

@ -28,6 +28,7 @@
#include <asm/io.h>
#define LAWAR_EN 0x80000000
#define FSL_HW_NUM_LAWS 10 /* number of LAWs in the hw implementation */
void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id)
{
@ -53,6 +54,24 @@ void disable_law(u8 idx)
return;
}
void print_laws(void)
{
volatile u32 *base = (volatile u32 *)(CFG_IMMR + 0xc08);
volatile u32 *lawbar = base;
volatile u32 *lawar = base + 2;
int i;
printf("\nLocal Access Window Configuration\n");
for(i = 0; i < FSL_HW_NUM_LAWS; i++) {
printf("\tLAWBAR%d : 0x%08x, LAWAR%d : 0x%08x\n",
i, in_be32(lawbar), i, in_be32(lawar));
lawbar += 8;
lawar += 8;
}
return;
}
void init_laws(void)
{
int i;

1
include/asm-ppc/fsl_law.h
View file

@ -73,6 +73,7 @@ struct law_entry {
extern void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
extern void disable_law(u8 idx);
extern void init_laws(void);
extern void print_laws(void);
/* define in board code */
extern struct law_entry law_table[];