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author | Stefan Roese <sr@denx.de> | 2008-10-21 11:43:08 +0200 |
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committer | Stefan Roese <sr@denx.de> | 2008-10-21 11:43:08 +0200 |
commit | f61f1e150c84f5b9347fca79a4bc5f2286c545d2 (patch) | |
tree | ab90f076f18e56b2b3e8c9375b95917daa78c1d9 /cpu/mpc8xxx/ddr/ctrl_regs.c | |
parent | ec081c2c190148b374e86a795fb6b1c49caeb549 (diff) | |
parent | f82642e33899766892499b163e60560fbbf87773 (diff) | |
download | u-boot-imx-f61f1e150c84f5b9347fca79a4bc5f2286c545d2.zip u-boot-imx-f61f1e150c84f5b9347fca79a4bc5f2286c545d2.tar.gz u-boot-imx-f61f1e150c84f5b9347fca79a4bc5f2286c545d2.tar.bz2 |
Merge branch 'master' of /home/stefan/git/u-boot/u-boot
Diffstat (limited to 'cpu/mpc8xxx/ddr/ctrl_regs.c')
-rw-r--r-- | cpu/mpc8xxx/ddr/ctrl_regs.c | 74 |
1 files changed, 62 insertions, 12 deletions
diff --git a/cpu/mpc8xxx/ddr/ctrl_regs.c b/cpu/mpc8xxx/ddr/ctrl_regs.c index e6c2a5c..1783e92 100644 --- a/cpu/mpc8xxx/ddr/ctrl_regs.c +++ b/cpu/mpc8xxx/ddr/ctrl_regs.c @@ -95,16 +95,10 @@ static void set_csn_config(int i, fsl_ddr_cfg_regs_t *ddr, col_bits_cs_n = dimm_params[i/2].n_col_addr - 8; } - /* FIXME: intlv_en, intlv_ctl only on CS0_CONFIG */ - if (i != 0) { - intlv_en = 0; - intlv_ctl = 0; - } - ddr->cs[i].config = (0 | ((cs_n_en & 0x1) << 31) | ((intlv_en & 0x3) << 29) - | ((intlv_en & 0xf) << 24) + | ((intlv_ctl & 0xf) << 24) | ((ap_n_en & 0x1) << 23) /* XXX: some implementation only have 1 bit starting at left */ @@ -117,6 +111,7 @@ static void set_csn_config(int i, fsl_ddr_cfg_regs_t *ddr, | ((row_bits_cs_n & 0x7) << 8) | ((col_bits_cs_n & 0x7) << 0) ); + debug("FSLDDR: cs[%d]_config = 0x%08x\n", i,ddr->cs[i].config); } /* Chip Select Configuration 2 (CSn_CONFIG_2) */ @@ -126,6 +121,7 @@ static void set_csn_config_2(int i, fsl_ddr_cfg_regs_t *ddr) unsigned int pasr_cfg = 0; /* Partial array self refresh config */ ddr->cs[i].config_2 = ((pasr_cfg & 7) << 24); + debug("FSLDDR: cs[%d]_config_2 = 0x%08x\n", i, ddr->cs[i].config_2); } /* -3E = 667 CL5, -25 = CL6 800, -25E = CL5 800 */ @@ -196,6 +192,7 @@ static void set_timing_cfg_3(fsl_ddr_cfg_regs_t *ddr, | ((ext_caslat & 0x1) << 12) | ((cntl_adj & 0x7) << 0) ); + debug("FSLDDR: timing_cfg_3 = 0x%08x\n", ddr->timing_cfg_3); } /* DDR SDRAM Timing Configuration 1 (TIMING_CFG_1) */ @@ -263,6 +260,7 @@ static void set_timing_cfg_1(fsl_ddr_cfg_regs_t *ddr, | ((acttoact_mclk & 0x07) << 4) | ((wrtord_mclk & 0x07) << 0) ); + debug("FSLDDR: timing_cfg_1 = 0x%08x\n", ddr->timing_cfg_1); } /* DDR SDRAM Timing Configuration 2 (TIMING_CFG_2) */ @@ -319,6 +317,7 @@ static void set_timing_cfg_2(fsl_ddr_cfg_regs_t *ddr, | ((cke_pls & 0x7) << 6) | ((four_act & 0x1f) << 0) ); + debug("FSLDDR: timing_cfg_2 = 0x%08x\n", ddr->timing_cfg_2); } /* DDR SDRAM control configuration (DDR_SDRAM_CFG) */ @@ -385,6 +384,7 @@ static void set_ddr_sdram_cfg(fsl_ddr_cfg_regs_t *ddr, | ((mem_halt & 0x1) << 1) | ((bi & 0x1) << 0) ); + debug("FSLDDR: ddr_sdram_cfg = 0x%08x\n", ddr->ddr_sdram_cfg); } /* DDR SDRAM control configuration 2 (DDR_SDRAM_CFG_2) */ @@ -449,6 +449,7 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, | ((rcw_en & 0x1) << 2) | ((md_en & 0x1) << 0) ); + debug("FSLDDR: ddr_sdram_cfg_2 = 0x%08x\n", ddr->ddr_sdram_cfg_2); } /* DDR SDRAM Mode configuration 2 (DDR_SDRAM_MODE_2) */ @@ -461,6 +462,7 @@ static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr) | ((esdmode2 & 0xFFFF) << 16) | ((esdmode3 & 0xFFFF) << 0) ); + debug("FSLDDR: ddr_sdram_mode_2 = 0x%08x\n", ddr->ddr_sdram_mode_2); } /* DDR SDRAM Interval Configuration (DDR_SDRAM_INTERVAL) */ @@ -480,6 +482,7 @@ static void set_ddr_sdram_interval(fsl_ddr_cfg_regs_t *ddr, | ((refint & 0xFFFF) << 16) | ((bstopre & 0x3FFF) << 0) ); + debug("FSLDDR: ddr_sdram_interval = 0x%08x\n", ddr->ddr_sdram_interval); } /* DDR SDRAM Mode configuration set (DDR_SDRAM_MODE) */ @@ -613,6 +616,7 @@ static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr, | ((esdmode & 0xFFFF) << 16) | ((sdmode & 0xFFFF) << 0) ); + debug("FSLDDR: ddr_sdram_mode = 0x%08x\n", ddr->ddr_sdram_mode); } @@ -675,6 +679,7 @@ static void set_timing_cfg_4(fsl_ddr_cfg_regs_t *ddr) | ((wwt & 0xf) << 16) | (dll_lock & 0x3) ); + debug("FSLDDR: timing_cfg_4 = 0x%08x\n", ddr->timing_cfg_4); } /* DDR SDRAM Timing Configuration 5 (TIMING_CFG_5) */ @@ -691,6 +696,7 @@ static void set_timing_cfg_5(fsl_ddr_cfg_regs_t *ddr) | ((wodt_on & 0xf) << 12) | ((wodt_off & 0xf) << 8) ); + debug("FSLDDR: timing_cfg_5 = 0x%08x\n", ddr->timing_cfg_5); } /* DDR ZQ Calibration Control (DDR_ZQ_CNTL) */ @@ -874,8 +880,13 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { phys_size_t sa = 0; phys_size_t ea = 0; - if (popts->ba_intlv_ctl && i > 0) { - /* Don't set up boundaries if bank interleaving */ + + if (popts->ba_intlv_ctl && (i > 0) && + ((popts->ba_intlv_ctl & 0x60) != FSL_DDR_CS2_CS3 )) { + /* Don't set up boundaries for other CS + * other than CS0, if bank interleaving + * is enabled and not CS2+CS3 interleaved. + */ break; } @@ -894,7 +905,9 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, * on each controller is twice the amount present on * each controller. */ - ea = (2 * common_dimm->total_mem >> dbw_cap_adj) - 1; + unsigned long long rank_density + = dimm_params[0].capacity; + ea = (2 * (rank_density >> dbw_cap_adj)) - 1; } else if (!popts->memctl_interleaving && popts->ba_intlv_ctl) { /* @@ -906,8 +919,44 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, * controller needs to be programmed into its * respective CS0_BNDS. */ - sa = common_dimm->base_address; - ea = sa + (common_dimm->total_mem >> dbw_cap_adj) - 1; + unsigned long long rank_density + = dimm_params[i/2].rank_density; + switch (popts->ba_intlv_ctl & FSL_DDR_CS0_CS1_CS2_CS3) { + case FSL_DDR_CS0_CS1_CS2_CS3: + /* CS0+CS1+CS2+CS3 interleaving, only CS0_CNDS + * needs to be set. + */ + sa = common_dimm->base_address; + ea = sa + (4 * (rank_density >> dbw_cap_adj))-1; + break; + case FSL_DDR_CS0_CS1_AND_CS2_CS3: + /* CS0+CS1 and CS2+CS3 interleaving, CS0_CNDS + * and CS2_CNDS need to be set. + */ + if (!(i&1)) { + sa = dimm_params[i/2].base_address; + ea = sa + (i * (rank_density >> + dbw_cap_adj)) - 1; + } + break; + case FSL_DDR_CS0_CS1: + /* CS0+CS1 interleaving, CS0_CNDS needs + * to be set + */ + sa = common_dimm->base_address; + ea = sa + (2 * (rank_density >> dbw_cap_adj))-1; + break; + case FSL_DDR_CS2_CS3: + /* CS2+CS3 interleaving*/ + if (i == 2) { + sa = dimm_params[i/2].base_address; + ea = sa + (2 * (rank_density >> + dbw_cap_adj)) - 1; + } + break; + default: /* No bank(chip-select) interleaving */ + break; + } } else if (popts->memctl_interleaving && !popts->ba_intlv_ctl) { /* @@ -955,6 +1004,7 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, | ((ea & 0xFFF) << 0) /* ending address MSB */ ); + debug("FSLDDR: cs[%d]_bnds = 0x%08x\n", i, ddr->cs[i].bnds); set_csn_config(i, ddr, popts, dimm_params); set_csn_config_2(i, ddr); } |