diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c index 2592873..c28f9cd 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c @@ -451,8 +451,8 @@ static void set_timing_cfg_1(fsl_ddr_cfg_regs_t *ddr, | ((caslat_ctrl & 0xF) << 16) | ((refrec_ctrl & 0xF) << 12) | ((wrrec_mclk & 0x0F) << 8) - | ((acttoact_mclk & 0x07) << 4) - | ((wrtord_mclk & 0x07) << 0) + | ((acttoact_mclk & 0x0F) << 4) + | ((wrtord_mclk & 0x0F) << 0) ); debug("FSLDDR: timing_cfg_1 = 0x%08x\n", ddr->timing_cfg_1); } @@ -659,6 +659,7 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, unsigned int dqs_cfg; /* DQS configuration */ unsigned int odt_cfg = 0; /* ODT configuration */ unsigned int num_pr; /* Number of posted refreshes */ + unsigned int slow = 0; /* DDR will be run less than 1250 */ unsigned int obc_cfg; /* On-The-Fly Burst Chop Cfg */ unsigned int ap_en; /* Address Parity Enable */ unsigned int d_init; /* DRAM data initialization */ @@ -692,6 +693,10 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, obc_cfg = 0; #endif +#if (CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7) + slow = get_ddr_freq(0) < 1249000000; +#endif + if (popts->registered_dimm_en) { rcw_en = 1; ap_en = popts->ap_en; @@ -720,6 +725,7 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, | ((dqs_cfg & 0x3) << 26) | ((odt_cfg & 0x3) << 21) | ((num_pr & 0xf) << 12) + | ((slow & 1) << 11) | (qd_en << 9) | (unq_mrs_en << 8) | ((obc_cfg & 0x1) << 6) @@ -1347,6 +1353,11 @@ static void set_ddr_wrlvl_cntl(fsl_ddr_cfg_regs_t *ddr, unsigned int wrlvl_en, | ((wrlvl_start & 0x1F) << 0) ); debug("FSLDDR: wrlvl_cntl = 0x%08x\n", ddr->ddr_wrlvl_cntl); + ddr->ddr_wrlvl_cntl_2 = popts->wrlvl_ctl_2; + debug("FSLDDR: wrlvl_cntl_2 = 0x%08x\n", ddr->ddr_wrlvl_cntl_2); + ddr->ddr_wrlvl_cntl_3 = popts->wrlvl_ctl_3; + debug("FSLDDR: wrlvl_cntl_3 = 0x%08x\n", ddr->ddr_wrlvl_cntl_3); + } /* DDR Self Refresh Counter (DDR_SR_CNTR) */ @@ -1370,6 +1381,12 @@ static void set_ddr_cdr1(fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts) debug("FSLDDR: ddr_cdr1 = 0x%08x\n", ddr->ddr_cdr1); } +static void set_ddr_cdr2(fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts) +{ + ddr->ddr_cdr2 = popts->ddr_cdr2; + debug("FSLDDR: ddr_cdr2 = 0x%08x\n", ddr->ddr_cdr2); +} + unsigned int check_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr) { @@ -1569,6 +1586,7 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, cas_latency, additive_latency); set_ddr_cdr1(ddr, popts); + set_ddr_cdr2(ddr, popts); set_ddr_sdram_cfg(ddr, popts, common_dimm); ip_rev = fsl_ddr_get_version(); if (ip_rev > 0x40400) |