From: Ye Li <ye...@nxp.com> Since the MX6UL/SL/SX only has one DDR channel, in CCM_CCDR register the bit[17] for mmdc_ch0 is reserved and its proper state should be 1. When clear this bit, the periph_clk_sel cannot be set and that CDHIPR[periph_clk_sel_busy] handshake never clears.
Signed-off-by: Ye Li <ye...@nxp.com> Signed-off-by: Peng Fan <van.free...@gmail.com> --- arch/arm/cpu/armv7/mx6/soc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 91a3deb..bdd41b0 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -278,7 +278,10 @@ static void clear_mmdc_ch_mask(void) reg = readl(&mxc_ccm->ccdr); /* Clear MMDC channel mask */ - reg &= ~(MXC_CCM_CCDR_MMDC_CH1_HS_MASK | MXC_CCM_CCDR_MMDC_CH0_HS_MASK); + if (is_cpu_type(MXC_CPU_MX6SX) || is_cpu_type(MXC_CPU_MX6UL) || is_cpu_type(MXC_CPU_MX6SL)) + reg &= ~(MXC_CCM_CCDR_MMDC_CH1_HS_MASK); + else + reg &= ~(MXC_CCM_CCDR_MMDC_CH1_HS_MASK | MXC_CCM_CCDR_MMDC_CH0_HS_MASK); writel(reg, &mxc_ccm->ccdr); } -- 2.6.2 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot