diff options
Diffstat (limited to 'cpu/mpc86xx/spd_sdram.c')
| -rw-r--r-- | cpu/mpc86xx/spd_sdram.c | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/cpu/mpc86xx/spd_sdram.c b/cpu/mpc86xx/spd_sdram.c index f37ab43..265e033 100644 --- a/cpu/mpc86xx/spd_sdram.c +++ b/cpu/mpc86xx/spd_sdram.c @@ -948,19 +948,25 @@ unsigned int enable_ddr(unsigned int ddr_num) * Read both dimm slots and decide whether * or not to enable this controller. */ - memset((void *)&spd1,0,sizeof(spd1)); - memset((void *)&spd2,0,sizeof(spd2)); + memset((void *)&spd1, 0, sizeof(spd1)); + memset((void *)&spd2, 0, sizeof(spd2)); if (ddr_num == 1) { CFG_READ_SPD(SPD_EEPROM_ADDRESS1, 0, 1, (uchar *) &spd1, sizeof(spd1)); +#if defined(SPD_EEPROM_ADDRESS2) CFG_READ_SPD(SPD_EEPROM_ADDRESS2, 0, 1, (uchar *) &spd2, sizeof(spd2)); +#endif } else { +#if defined(SPD_EEPROM_ADDRESS3) CFG_READ_SPD(SPD_EEPROM_ADDRESS3, 0, 1, (uchar *) &spd1, sizeof(spd1)); +#endif +#if defined(SPD_EEPROM_ADDRESS4) CFG_READ_SPD(SPD_EEPROM_ADDRESS4, 0, 1, (uchar *) &spd2, sizeof(spd2)); +#endif } /* @@ -1105,21 +1111,27 @@ spd_sdram(void) { int memsize_ddr1_dimm1 = 0; int memsize_ddr1_dimm2 = 0; + int memsize_ddr1 = 0; + unsigned int law_size_ddr1; + volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile ccsr_local_mcm_t *mcm = &immap->im_local_mcm; +#ifdef CONFIG_DDR_INTERLEAVE + volatile ccsr_ddr_t *ddr1 = &immap->im_ddr1; +#endif + +#if (CONFIG_NUM_DDR_CONTROLLERS > 1) int memsize_ddr2_dimm1 = 0; int memsize_ddr2_dimm2 = 0; - int memsize_total = 0; - int memsize_ddr1 = 0; int memsize_ddr2 = 0; + unsigned int law_size_ddr2; +#endif + unsigned int ddr1_enabled = 0; unsigned int ddr2_enabled = 0; - unsigned int law_size_ddr1; - unsigned int law_size_ddr2; - volatile immap_t *immap = (immap_t *)CFG_IMMR; - volatile ccsr_local_mcm_t *mcm = &immap->im_local_mcm; + int memsize_total = 0; #ifdef CONFIG_DDR_INTERLEAVE unsigned int law_size_interleaved; - volatile ccsr_ddr_t *ddr1 = &immap->im_ddr1; volatile ccsr_ddr_t *ddr2 = &immap->im_ddr2; memsize_ddr1_dimm1 = spd_init(SPD_EEPROM_ADDRESS1, @@ -1194,9 +1206,11 @@ spd_sdram(void) (unsigned int)memsize_total * 1024*1024); memsize_total += memsize_ddr1_dimm1; +#if defined(SPD_EEPROM_ADDRESS2) memsize_ddr1_dimm2 = spd_init(SPD_EEPROM_ADDRESS2, 1, 2, (unsigned int)memsize_total * 1024*1024); +#endif memsize_total += memsize_ddr1_dimm2; /* @@ -1258,10 +1272,12 @@ spd_sdram(void) debug("\nDDR: LAWBAR8=0x%08x\n", mcm->lawbar8); debug("DDR: LAWAR8=0x%08x\n", mcm->lawar8); } + + debug("\nMemory size of DDR2 = 0x%08lx\n", memsize_ddr2); + #endif /* CONFIG_NUM_DDR_CONTROLLERS > 1 */ - debug("\nMemory sizes are DDR1 = 0x%08lx, DDR2 = 0x%08lx\n", - memsize_ddr1, memsize_ddr2); + debug("\nMemory size of DDR1 = 0x%08lx\n", memsize_ddr1); /* * If neither DDR controller is enabled return 0. |