diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/ddr-gen3.c | 41 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/fsl_ddr_dimm_params.h | 4 |
4 files changed, 49 insertions, 1 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/ddr-gen3.c b/arch/powerpc/cpu/mpc85xx/ddr-gen3.c index 73b320b..c8c84a1 100644 --- a/arch/powerpc/cpu/mpc85xx/ddr-gen3.c +++ b/arch/powerpc/cpu/mpc85xx/ddr-gen3.c @@ -24,6 +24,8 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, #ifdef CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 volatile ccsr_local_ecm_t *ecm = (void *)CONFIG_SYS_MPC85xx_ECM_ADDR; u32 total_gb_size_per_controller; + unsigned int csn_bnds_backup = 0, cs_sa, cs_ea, *csn_bnds_t; + int csn = -1; #endif switch (ctrl_num) { @@ -40,6 +42,22 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, out_be32(&ddr->eor, regs->ddr_eor); +#ifdef CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 + for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { + cs_sa = (regs->cs[i].bnds >> 16) & 0xfff; + cs_ea = regs->cs[i].bnds & 0xfff; + if ((cs_sa <= 0xff) && (cs_ea >= 0xff)) { + csn = i; + csn_bnds_backup = regs->cs[i].bnds; + csn_bnds_t = (unsigned int *) ®s->cs[i].bnds; + *csn_bnds_t = regs->cs[i].bnds ^ 0x0F000F00; + debug("Found cs%d_bns (0x%08x) covering 0xff000000, " + "change it to 0x%x\n", + csn, csn_bnds_backup, regs->cs[i].bnds); + break; + } + } +#endif for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { if (i == 0) { out_be32(&ddr->cs0_bnds, regs->cs[i].bnds); @@ -308,5 +326,28 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, /* 10. Clear EEBACR[3] */ clrbits_be32(&ecm->eebacr, 10000000); debug("Clearing EEBACR[3] to 0x%08x\n", in_be32(&ecm->eebacr)); + + if (csn != -1) { + csn_bnds_t = (unsigned int *) ®s->cs[csn].bnds; + *csn_bnds_t = csn_bnds_backup; + debug("Change cs%d_bnds back to 0x%08x\n", + csn, regs->cs[csn].bnds); + setbits_be32(&ddr->sdram_cfg, 0x2); /* MEM_HALT */ + switch (csn) { + case 0: + out_be32(&ddr->cs0_bnds, regs->cs[csn].bnds); + break; + case 1: + out_be32(&ddr->cs1_bnds, regs->cs[csn].bnds); + break; + case 2: + out_be32(&ddr->cs2_bnds, regs->cs[csn].bnds); + break; + case 3: + out_be32(&ddr->cs3_bnds, regs->cs[csn].bnds); + break; + } + clrbits_be32(&ddr->sdram_cfg, 0x2); + } #endif /* CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 */ } diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c index 8ef6ca8..cefabe7 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c @@ -682,7 +682,9 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, | ((obc_cfg & 0x1) << 6) | ((ap_en & 0x1) << 5) | ((d_init & 0x1) << 4) +#ifdef CONFIG_FSL_DDR3 | ((rcw_en & 0x1) << 2) +#endif | ((md_en & 0x1) << 0) ); debug("FSLDDR: ddr_sdram_cfg_2 = 0x%08x\n", ddr->ddr_sdram_cfg_2); 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 a58e5a9..8b31ec0 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c @@ -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; } diff --git a/arch/powerpc/include/asm/fsl_ddr_dimm_params.h b/arch/powerpc/include/asm/fsl_ddr_dimm_params.h index be82602..982b809 100644 --- a/arch/powerpc/include/asm/fsl_ddr_dimm_params.h +++ b/arch/powerpc/include/asm/fsl_ddr_dimm_params.h @@ -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 { |