powerpc/mpc8xxx: Add x4 DDR device support

[karo-tx-uboot.git] / arch / powerpc / cpu / mpc8xxx / ddr / ddr3_dimm_params.c

diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c b/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
index 3e7c269e4025ab09de22c4901b1bcdce71192390..b67158c0ffae8284e0863513d345d02d4f612116 100644 (file)
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
@@ -129,6 +129,7 @@ ddr_compute_dimm_parameters(const ddr3_spd_eeprom_t *spd,
                pdimm->ec_sdram_width = 0;
        pdimm->data_width = pdimm->primary_sdram_width
                          + pdimm->ec_sdram_width;
+       pdimm->device_width = 1 << ((spd->organization & 0x7) + 2);
 
        /* These are the types defined by the JEDEC DDR3 SPD spec */
        pdimm->mirrored_dimm = 0;