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Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/ddr/main.c')
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/main.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/main.c b/arch/powerpc/cpu/mpc8xxx/ddr/main.c
index c8fa123539..62a73ddf4c 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/main.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/main.c
@@ -174,7 +174,19 @@ int step_assign_addresses(fsl_ddr_info_t *pinfo,
switch (pinfo->memctl_opts[i].data_bus_width) {
case 2:
/* 16-bit */
- printf("can't handle 16-bit mode yet\n");
+ for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
+ unsigned int dw;
+ if (!pinfo->dimm_params[i][j].n_ranks)
+ continue;
+ dw = pinfo->dimm_params[i][j].primary_sdram_width;
+ if ((dw == 72 || dw == 64)) {
+ dbw_cap_adj[i] = 2;
+ break;
+ } else if ((dw == 40 || dw == 32)) {
+ dbw_cap_adj[i] = 1;
+ break;
+ }
+ }
break;
case 1:
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