diff options
Diffstat (limited to 'src/cpu/ppc/ppc4xx/mem.c')
| -rw-r--r-- | src/cpu/ppc/ppc4xx/mem.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/src/cpu/ppc/ppc4xx/mem.c b/src/cpu/ppc/ppc4xx/mem.c deleted file mode 100644 index f1bd2f8b8e..0000000000 --- a/src/cpu/ppc/ppc4xx/mem.c +++ /dev/null @@ -1,59 +0,0 @@ -#include <ppc.h> -#include <mem.h> -#include <console/console.h> - -#define SDRAM0_CFGADDR 0x010 -#define SDRAM0_CFGDATA 0x011 - -#define SDRAM0_B0CR 0x40 -#define SDRAM0_B1CR 0x44 -#define SDRAM0_B2CR 0x48 -#define SDRAM0_B3CR 0x4C - -#define BA_MASK 0xffc00000 -#define BA_SHIFT 22 -#define SZ_MASK 0x000e0000 -#define SZ_SHIFT 17 -#define AM_MASK 0x0000e000 -#define AM_SHIFT 13 -#define BE_MASK 0x00000001 -#define BE_SHIFT 0 - -struct mem_range mem_bank[4]; - -void -getmemrange(int bank, unsigned int reg) -{ - unsigned int val; - unsigned int size; - - mtdcr(SDRAM0_CFGADDR, reg); - val = mfdcr(SDRAM0_CFGDATA); - - if ((val & BE_MASK) == 0) - { - mem_bank[bank].basek = 0; - mem_bank[bank].sizek = 0; - return; - } - - size = ((val & BA_MASK) >> BA_SHIFT); - mem_bank[bank].basek = size * 1024; - - size = 4 << ((val & SZ_MASK) >> SZ_SHIFT); - mem_bank[bank].sizek = size * 1024; - - printk_info("mem bank %d: basek %d, sizek %d\n", bank, mem_bank[bank].basek, mem_bank[bank].sizek); -} - -struct mem_range * -sizeram(void) -{ - getmemrange(0, SDRAM0_B0CR); - getmemrange(1, SDRAM0_B1CR); - getmemrange(2, SDRAM0_B2CR); - getmemrange(3, SDRAM0_B3CR); - - return mem_bank; -} - |