imx6: clock: Enable External Memory Interface [EIM] clock (eim_slow_clock)

[platform/kernel/u-boot.git] / arch / arm / cpu / armv7 / mx6 / clock.c

diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
index 96fbd81..2995628 100644 (file)
--- a/arch/arm/cpu/armv7/mx6/clock.c
+++ b/arch/arm/cpu/armv7/mx6/clock.c
@@ -1384,6 +1384,20 @@ void select_ldb_di_clock_source(enum ldb_di_clock clk)
 }
 #endif
 
+#ifndef CONFIG_SYS_NO_FLASH
+void enable_eim_clk(unsigned char enable)
+{
+       u32 reg;
+
+       reg = __raw_readl(&imx_ccm->CCGR6);
+       if (enable)
+               reg |= MXC_CCM_CCGR6_EMI_SLOW_MASK;
+       else
+               reg &= ~MXC_CCM_CCGR6_EMI_SLOW_MASK;
+       __raw_writel(reg, &imx_ccm->CCGR6);
+}
+#endif
+
 /***************************************************/
 
 U_BOOT_CMD(