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Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/ddr/main.c')
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/main.c26
1 files changed, 24 insertions, 2 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/main.c b/arch/powerpc/cpu/mpc8xxx/ddr/main.c
index b47268c20..d6b73c7af 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/main.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/main.c
@@ -77,7 +77,19 @@ static void __get_spd(generic_spd_eeprom_t *spd, u8 i2c_address)
sizeof(generic_spd_eeprom_t));
if (ret) {
- printf("DDR: failed to read SPD from address %u\n", i2c_address);
+ if (i2c_address ==
+#ifdef SPD_EEPROM_ADDRESS
+ SPD_EEPROM_ADDRESS
+#elif defined(SPD_EEPROM_ADDRESS1)
+ SPD_EEPROM_ADDRESS1
+#endif
+ ) {
+ printf("DDR: failed to read SPD from address %u\n",
+ i2c_address);
+ } else {
+ debug("DDR: failed to read SPD from address %u\n",
+ i2c_address);
+ }
memset(spd, 0, sizeof(generic_spd_eeprom_t));
}
}
@@ -526,6 +538,17 @@ phys_size_t fsl_ddr_sdram(void)
#endif
total_memory = fsl_ddr_compute(&info, STEP_GET_SPD, 0);
+ /* setup 3-way interleaving before enabling DDRC */
+ switch (info.memctl_opts[0].memctl_interleaving_mode) {
+ case FSL_DDR_3WAY_1KB_INTERLEAVING:
+ case FSL_DDR_3WAY_4KB_INTERLEAVING:
+ case FSL_DDR_3WAY_8KB_INTERLEAVING:
+ fsl_ddr_set_intl3r(info.memctl_opts[0].memctl_interleaving_mode);
+ break;
+ default:
+ break;
+ }
+
/* Program configuration registers. */
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
debug("Programming controller %u\n", i);
@@ -561,7 +584,6 @@ phys_size_t fsl_ddr_sdram(void)
case FSL_DDR_3WAY_8KB_INTERLEAVING:
law_memctl = LAW_TRGT_IF_DDR_INTLV_123;
if (i == 0) {
- fsl_ddr_set_intl3r(info.memctl_opts[i].memctl_interleaving_mode);
fsl_ddr_set_lawbar(&info.common_timing_params[i],
law_memctl, i);
}