Commit 08b3f759 authored by York Sun's avatar York Sun Committed by Kumar Gala

powerpc/mpc8xxx: fix recognition of DIMMs with ECC and Address Parity

To recognize DIMMs with ECC capability by testing ECC bit only. Not to be
confused by Address Parity bit.
Signed-off-by: default avatarYork Sun <yorksun@freescale.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 55f7934d
......@@ -367,7 +367,8 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params,
/* Determine if all DIMMs ECC capable. */
temp1 = 1;
for (i = 0; i < number_of_dimms; i++) {
if (dimm_params[i].n_ranks && dimm_params[i].edc_config != 2) {
if (dimm_params[i].n_ranks &&
!(dimm_params[i].edc_config & EDC_ECC)) {
temp1 = 0;
break;
}
......
......@@ -9,6 +9,10 @@
#ifndef DDR2_DIMM_PARAMS_H
#define DDR2_DIMM_PARAMS_H
#define EDC_DATA_PARITY 1
#define EDC_ECC 2
#define EDC_AC_PARITY 4
/* Parameters for a DDR2 dimm computed from the SPD */
typedef struct dimm_params_s {
......
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