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PPC: Add print_bats() to lib_ppc/bat_rw.c

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This function prints the values of all the BAT register
pairs - I needed this for debug earlier this week; adding it to
lib_ppc so others can use it (and add it to reginfo commands
if so desired).

Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
This commit is contained in:
Becky Bruce 2008-05-09 15:41:35 -05:00 committed by Wolfgang Denk
parent c148f24c15
commit d5b9b8cdb8
2 changed files with 42 additions and 0 deletions
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1
include/asm-ppc/mmu.h
View file

@ -149,6 +149,7 @@ typedef enum {
extern int read_bat(ppc_bat_t bat, unsigned long *upper, unsigned long *lower);
extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower);
extern void print_bats(void);
#endif /* __ASSEMBLY__ */

41
lib_ppc/bat_rw.c
View file

@ -183,3 +183,44 @@ int read_bat (ppc_bat_t bat, unsigned long *upper, unsigned long *lower)
return (0);
}
void print_bats(void)
{
printf("BAT registers:\n");
printf ("\tIBAT0L = 0x%08X ", mfspr (IBAT0L));
printf ("\tIBAT0U = 0x%08X\n", mfspr (IBAT0U));
printf ("\tDBAT0L = 0x%08X ", mfspr (DBAT0L));
printf ("\tDBAT0U = 0x%08X\n", mfspr (DBAT0U));
printf ("\tIBAT1L = 0x%08X ", mfspr (IBAT1L));
printf ("\tIBAT1U = 0x%08X\n", mfspr (IBAT1U));
printf ("\tDBAT1L = 0x%08X ", mfspr (DBAT1L));
printf ("\tDBAT1U = 0x%08X\n", mfspr (DBAT1U));
printf ("\tIBAT2L = 0x%08X ", mfspr (IBAT2L));
printf ("\tIBAT2U = 0x%08X\n", mfspr (IBAT2U));
printf ("\tDBAT2L = 0x%08X ", mfspr (DBAT2L));
printf ("\tDBAT2U = 0x%08X\n", mfspr (DBAT2U));
printf ("\tIBAT3L = 0x%08X ", mfspr (IBAT3L));
printf ("\tIBAT3U = 0x%08X\n", mfspr (IBAT3U));
printf ("\tDBAT3L = 0x%08X ", mfspr (DBAT3L));
printf ("\tDBAT3U = 0x%08X\n", mfspr (DBAT3U));
#ifdef CONFIG_HIGH_BATS
printf ("\tIBAT4L = 0x%08X ", mfspr (IBAT4L));
printf ("\tIBAT4U = 0x%08X\n", mfspr (IBAT4U));
printf ("\tDBAT4L = 0x%08X ", mfspr (DBAT4L));
printf ("\tDBAT4U = 0x%08X\n", mfspr (DBAT4U));
printf ("\tIBAT5L = 0x%08X ", mfspr (IBAT5L));
printf ("\tIBAT5U = 0x%08X\n", mfspr (IBAT5U));
printf ("\tDBAT5L = 0x%08X ", mfspr (DBAT5L));
printf ("\tDBAT5U = 0x%08X\n", mfspr (DBAT5U));
printf ("\tIBAT6L = 0x%08X ", mfspr (IBAT6L));
printf ("\tIBAT6U = 0x%08X\n", mfspr (IBAT6U));
printf ("\tDBAT6L = 0x%08X ", mfspr (DBAT6L));
printf ("\tDBAT6U = 0x%08X\n", mfspr (DBAT6U));
printf ("\tIBAT7L = 0x%08X ", mfspr (IBAT7L));
printf ("\tIBAT7U = 0x%08X\n", mfspr (IBAT7U));
printf ("\tDBAT7L = 0x%08X ", mfspr (DBAT7L));
printf ("\tDBAT7U = 0x%08X\n", mfspr (DBAT7U));
#endif
}