Bladeren bron

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>
Rajesh Bhagat 7 jaren geleden
bovenliggende
commit
554d33f3db
1 gewijzigde bestanden met toevoegingen van 3 en 1 verwijderingen
  1. 3 1
      drivers/ddr/fsl/fsl_ddr_gen4.c

+ 3 - 1
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,