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authorRajesh Bhagat <rajesh.bhagat@nxp.com>2018-01-17 16:13:06 +0530
committerYork Sun <york.sun@nxp.com>2018-01-23 11:20:03 -0800
commit554d33f3db3cdbb02f440ab3b667ff2bc3cfa2b1 (patch)
tree32f7d0ba67574dbb9c660935008e0abcf9743f7b /drivers/ddr
parent23a12cb3d05ee2caa860bee7b6f0ebcb40afacce (diff)
downloadu-boot-554d33f3db3cdbb02f440ab3b667ff2bc3cfa2b1.tar.gz
ddr: fsl: set cdr1 first in case 0.9v VDD is enabled for some SoCs
Sets DDR configuration parameter cdr1 before all other settings to support case 0.9v VDD is enabled for some SoCs Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com> Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'drivers/ddr')
-rw-r--r--drivers/ddr/fsl/fsl_ddr_gen4.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c
index 058c9b9da8..b3a27ec5a8 100644
--- a/drivers/ddr/fsl/fsl_ddr_gen4.c
+++ b/drivers/ddr/fsl/fsl_ddr_gen4.c
@@ -95,6 +95,9 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
if (step == 2)
goto step2;
+ /* Set cdr1 first in case 0.9v VDD is enabled for some SoCs*/
+ ddr_out32(&ddr->ddr_cdr1, regs->ddr_cdr1);
+
if (regs->ddr_eor)
ddr_out32(&ddr->eor, regs->ddr_eor);
@@ -183,7 +186,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
ddr_out32(&ddr->ddr_sdram_rcw_4, regs->ddr_sdram_rcw_4);
ddr_out32(&ddr->ddr_sdram_rcw_5, regs->ddr_sdram_rcw_5);
ddr_out32(&ddr->ddr_sdram_rcw_6, regs->ddr_sdram_rcw_6);
- ddr_out32(&ddr->ddr_cdr1, regs->ddr_cdr1);
#ifdef CONFIG_DEEP_SLEEP
if (is_warm_boot()) {
ddr_out32(&ddr->sdram_cfg_2,