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-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c2
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/main.c26
2 files changed, 17 insertions, 11 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c b/arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c
index 9adde31010..e958e138dd 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c
@@ -44,7 +44,6 @@ compute_cas_latency_ddr3(const dimm_params_t *dimm_params,
printf("DDR clock (MCLK cycle %u ps) is faster than "
"the slowest DIMM(s) (tCKmin %u ps) can support.\n",
mclk_ps, tCKmin_X_ps);
- return 1;
}
/* determine the acutal cas latency */
caslat_actual = (tAAmin_ps + mclk_ps - 1) / mclk_ps;
@@ -60,7 +59,6 @@ compute_cas_latency_ddr3(const dimm_params_t *dimm_params,
if (caslat_actual * mclk_ps > 20000) {
printf("The choosen cas latency %d is too large\n",
caslat_actual);
- return 1;
}
outpdimm->lowest_common_SPD_caslat = caslat_actual;
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/main.c b/arch/powerpc/cpu/mpc8xxx/ddr/main.c
index 5311a262a2..7a8636de16 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/main.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/main.c
@@ -186,7 +186,7 @@ const char * step_to_string(unsigned int step) {
return step_string_tbl[s];
}
-unsigned long long step_assign_addresses(fsl_ddr_info_t *pinfo,
+static unsigned long long __step_assign_addresses(fsl_ddr_info_t *pinfo,
unsigned int dbw_cap_adj[])
{
int i, j;
@@ -354,6 +354,11 @@ unsigned long long step_assign_addresses(fsl_ddr_info_t *pinfo,
return total_mem;
}
+/* Use weak function to allow board file to override the address assignment */
+__attribute__((weak, alias("__step_assign_addresses")))
+unsigned long long step_assign_addresses(fsl_ddr_info_t *pinfo,
+ unsigned int dbw_cap_adj[]);
+
unsigned long long
fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
unsigned int size_only)
@@ -541,14 +546,17 @@ phys_size_t fsl_ddr_sdram(void)
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;
+ if (info.memctl_opts[0].memctl_interleaving) {
+ 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. */
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