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| author | Stefano Babic <sbabic@denx.de> | 2014-09-22 15:51:01 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2014-09-22 15:51:01 +0200 |
| commit | 42817eb85de1d7dec399c75dbd133ea6b5351a72 (patch) | |
| tree | cf93368fd5642cc995055f764103f85d7abbedf1 /drivers/ddr | |
| parent | 7a56bddd7fb9fe27c775cadd18ebde6f883d7cff (diff) | |
| parent | 2a8c9c86b92a9ccee3c27286de317e19bb0530b3 (diff) | |
| download | u-boot-imx-42817eb85de1d7dec399c75dbd133ea6b5351a72.zip u-boot-imx-42817eb85de1d7dec399c75dbd133ea6b5351a72.tar.gz u-boot-imx-42817eb85de1d7dec399c75dbd133ea6b5351a72.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'drivers/ddr')
| -rw-r--r-- | drivers/ddr/fsl/arm_ddr_gen3.c | 2 | ||||
| -rw-r--r-- | drivers/ddr/fsl/ctrl_regs.c | 8 | ||||
| -rw-r--r-- | drivers/ddr/fsl/interactive.c | 2 |
3 files changed, 11 insertions, 1 deletions
diff --git a/drivers/ddr/fsl/arm_ddr_gen3.c b/drivers/ddr/fsl/arm_ddr_gen3.c index d4ed9ae..59f2fd6 100644 --- a/drivers/ddr/fsl/arm_ddr_gen3.c +++ b/drivers/ddr/fsl/arm_ddr_gen3.c @@ -194,7 +194,7 @@ step2: * For example, 2GB on 666MT/s 64-bit bus takes about 402ms * Let's wait for 800ms */ - bus_width = 3 - ((ddr->sdram_cfg & SDRAM_CFG_DBW_MASK) + bus_width = 3 - ((ddr_in32(&ddr->sdram_cfg) & SDRAM_CFG_DBW_MASK) >> SDRAM_CFG_DBW_SHIFT); timeout = ((total_gb_size_per_controller << (6 - bus_width)) * 100 / (get_ddr_freq(0) >> 20)) << 1; diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c index 04e4178..d9cac22 100644 --- a/drivers/ddr/fsl/ctrl_regs.c +++ b/drivers/ddr/fsl/ctrl_regs.c @@ -693,6 +693,7 @@ static void set_ddr_sdram_cfg(fsl_ddr_cfg_regs_t *ddr, unsigned int x32_en = 0; /* x32 enable */ unsigned int pchb8 = 0; /* precharge bit 8 enable */ unsigned int hse; /* Global half strength override */ + unsigned int acc_ecc_en = 0; /* Accumulated ECC enable */ unsigned int mem_halt = 0; /* memory controller halt */ unsigned int bi = 0; /* Bypass initialization */ @@ -736,6 +737,9 @@ static void set_ddr_sdram_cfg(fsl_ddr_cfg_regs_t *ddr, ba_intlv_ctl = popts->ba_intlv_ctl; hse = popts->half_strength_driver_enable; + /* set when ddr bus width < 64 */ + acc_ecc_en = (dbw != 0 && ecc_en == 1) ? 1 : 0; + ddr->ddr_sdram_cfg = (0 | ((mem_en & 0x1) << 31) | ((sren & 0x1) << 30) @@ -752,6 +756,7 @@ static void set_ddr_sdram_cfg(fsl_ddr_cfg_regs_t *ddr, | ((x32_en & 0x1) << 5) | ((pchb8 & 0x1) << 4) | ((hse & 0x1) << 3) + | ((acc_ecc_en & 0x1) << 2) | ((mem_halt & 0x1) << 1) | ((bi & 0x1) << 0) ); @@ -2271,6 +2276,9 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, if (ip_rev > 0x40400) unq_mrs_en = 1; + if (ip_rev > 0x40700) + ddr->debug[18] = popts->cswl_override; + set_ddr_sdram_cfg_2(ddr, popts, unq_mrs_en); set_ddr_sdram_mode(ddr, popts, common_dimm, cas_latency, additive_latency, unq_mrs_en); diff --git a/drivers/ddr/fsl/interactive.c b/drivers/ddr/fsl/interactive.c index 7fb4187..6aa16b2 100644 --- a/drivers/ddr/fsl/interactive.c +++ b/drivers/ddr/fsl/interactive.c @@ -511,6 +511,7 @@ static void fsl_ddr_options_edit(fsl_ddr_info_t *pinfo, CTRL_OPTIONS(wrlvl_override), CTRL_OPTIONS(wrlvl_sample), CTRL_OPTIONS(wrlvl_start), + CTRL_OPTIONS(cswl_override), CTRL_OPTIONS(rcw_override), CTRL_OPTIONS(rcw_1), CTRL_OPTIONS(rcw_2), @@ -801,6 +802,7 @@ static void print_memctl_options(const memctl_options_t *popts) CTRL_OPTIONS(wrlvl_override), CTRL_OPTIONS(wrlvl_sample), CTRL_OPTIONS(wrlvl_start), + CTRL_OPTIONS_HEX(cswl_override), CTRL_OPTIONS(rcw_override), CTRL_OPTIONS(rcw_1), CTRL_OPTIONS(rcw_2), |