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ARM: AM43xx: Write sdram_config to secure_emif_sdram_config

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The register secure_emif_sdram_config in control module is copied to
the EMIF sdram_config register when it is coming out of DeepSleep0 in
order to ensure that the EMIF comes up for the correct type of DDR.
Without this, resume can hang from within the kernel.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
This commit is contained in:
Dave Gerlach 2014-02-18 07:32:00 -05:00 committed by Tom Rini
parent 4800be4a0c
commit f84880f0f3
1 changed files with 1 additions and 0 deletions
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arch/arm/cpu/armv7/am33xx/ddr.c
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@ -96,6 +96,7 @@ void config_sdram_emif4d5(const struct emif_regs *regs, int nr)
writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl);
writel(regs->sdram_config, &emif_reg[nr]->emif_sdram_config);
writel(regs->sdram_config, &cstat->secure_emif_sdram_config);
if (emif_sdram_type() == EMIF_SDRAM_TYPE_LPDDR2) {
configure_mr(nr, 0);