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| author | Kumar Gala <galak@kernel.crashing.org> | 2009-09-01 22:01:54 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2009-09-08 09:10:04 -0500 |
| commit | 2abbd31da6d900473ed678ca50789ee58bc9bb00 (patch) | |
| tree | 04faa2d9df989a87f184b745848e657dd03ff634 /cpu | |
| parent | 13d46ab2572c0283d34f93bebc9a41295ef84ca5 (diff) | |
| download | u-boot-imx-2abbd31da6d900473ed678ca50789ee58bc9bb00.zip u-boot-imx-2abbd31da6d900473ed678ca50789ee58bc9bb00.tar.gz u-boot-imx-2abbd31da6d900473ed678ca50789ee58bc9bb00.tar.bz2 | |
ppc/8xxx: Remove ddr_pd_cntl register since it doesn't exist
The ddr_pd_cntl isn't defined in any reference manual and thus we wil
remove especially since we set it to 0, which would most likely be its
POR value.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/mpc85xx/ddr-gen3.c | 1 | ||||
| -rw-r--r-- | cpu/mpc8xxx/ddr/ctrl_regs.c | 23 |
2 files changed, 0 insertions, 24 deletions
diff --git a/cpu/mpc85xx/ddr-gen3.c b/cpu/mpc85xx/ddr-gen3.c index 8ac3d5f..0691ca4 100644 --- a/cpu/mpc85xx/ddr-gen3.c +++ b/cpu/mpc85xx/ddr-gen3.c @@ -74,7 +74,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, out_be32(&ddr->timing_cfg_5, regs->timing_cfg_5); out_be32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl); out_be32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl); - out_be32(&ddr->ddr_pd_cntl, regs->ddr_pd_cntl); out_be32(&ddr->ddr_sr_cntr, regs->ddr_sr_cntr); out_be32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1); out_be32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2); diff --git a/cpu/mpc8xxx/ddr/ctrl_regs.c b/cpu/mpc8xxx/ddr/ctrl_regs.c index 1689d68..5e63c5d 100644 --- a/cpu/mpc8xxx/ddr/ctrl_regs.c +++ b/cpu/mpc8xxx/ddr/ctrl_regs.c @@ -1066,28 +1066,6 @@ static void set_ddr_sr_cntr(fsl_ddr_cfg_regs_t *ddr, unsigned int sr_it) ddr->ddr_sr_cntr = (sr_it & 0xF) << 16; } -/* DDR Pre-Drive Conditioning Control (DDR_PD_CNTL) */ -static void set_ddr_pd_cntl(fsl_ddr_cfg_regs_t *ddr) -{ - /* Termination value during pre-drive conditioning */ - unsigned int tvpd = 0; - unsigned int pd_en = 0; /* Pre-Drive Conditioning Enable */ - unsigned int pdar = 0; /* Pre-Drive After Read */ - unsigned int pdaw = 0; /* Pre-Drive After Write */ - unsigned int pd_on = 0; /* Pre-Drive Conditioning On */ - unsigned int pd_off = 0; /* Pre-Drive Conditioning Off */ - - ddr->ddr_pd_cntl = (0 - | ((pd_en & 0x1) << 31) - | ((tvpd & 0x7) << 28) - | ((pdar & 0x7F) << 20) - | ((pdaw & 0x7F) << 12) - | ((pd_on & 0x1F) << 6) - | ((pd_off & 0x1F) << 0) - ); -} - - /* DDR SDRAM Register Control Word 1 (DDR_SDRAM_RCW_1) */ static void set_ddr_sdram_rcw_1(fsl_ddr_cfg_regs_t *ddr) { @@ -1355,7 +1333,6 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, set_ddr_zq_cntl(ddr, zq_en); set_ddr_wrlvl_cntl(ddr, wrlvl_en); - set_ddr_pd_cntl(ddr); set_ddr_sr_cntr(ddr, sr_it); set_ddr_sdram_rcw_1(ddr); |