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-rw-r--r--arch/arm/cpu/armv7/mx6/soc.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 33a2939415..2aad0a15bb 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -189,10 +189,21 @@ static void set_ahb_rate(u32 val)
(div << MXC_CCM_CBCDR_AHB_PODF_OFFSET), &mxc_ccm->cbcdr);
}
+static void clear_mmdc_ch_mask(void)
+{
+ struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+ /* Clear MMDC channel mask */
+ writel(0, &mxc_ccm->ccdr);
+}
+
int arch_cpu_init(void)
{
init_aips();
+ /* Need to clear MMDC_CHx_MASK to make warm reset work. */
+ clear_mmdc_ch_mask();
+
/*
* When low freq boot is enabled, ROM will not set AHB
* freq, so we need to ensure AHB freq is 132MHz in such
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