am33xx: CPSW init and definitions

[platform/kernel/u-boot.git] / arch / arm / cpu / armv7 / am33xx / clock.c

diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock.c
index 16beb4f..e3c4fd8 100644 (file)
--- a/arch/arm/cpu/armv7/am33xx/clock.c
+++ b/arch/arm/cpu/armv7/am33xx/clock.c
@@ -24,6 +24,7 @@
 
 #define PRCM_MOD_EN            0x2
 #define PRCM_FORCE_WAKEUP      0x2
+#define PRCM_FUNCTL            0x0
 
 #define PRCM_EMIF_CLK_ACTIVITY BIT(2)
 #define PRCM_L3_GCLK_ACTIVITY  BIT(4)
@@ -38,7 +39,7 @@
 #define CLK_MODE_SEL           0x7
 #define CLK_MODE_MASK          0xfffffff8
 #define CLK_DIV_SEL            0xFFFFFFE0
-
+#define CPGMAC0_IDLE           0x30000
 
 const struct cm_perpll *cmper = (struct cm_perpll *)CM_PER;
 const struct cm_wkuppll *cmwkup = (struct cm_wkuppll *)CM_WKUP;
@@ -138,6 +139,11 @@ static void enable_per_clocks(void)
        writel(PRCM_MOD_EN, &cmper->i2c1clkctrl);
        while (readl(&cmper->i2c1clkctrl) != PRCM_MOD_EN)
                ;
+
+       /* Ethernet */
+       writel(PRCM_MOD_EN, &cmper->cpgmac0clkctrl);
+       while ((readl(&cmper->cpgmac0clkctrl) & CPGMAC0_IDLE) != PRCM_FUNCTL)
+               ;
 }
 
 static void mpu_pll_config(void)