Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'

[karo-tx-uboot.git] / arch / arm / cpu / armv7 / am33xx / board.c

diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c
index 2ea3d698fb2cae43f92c4e9f2071fcee01d0c698..c7dad6681d14a2201562633de6a58a8dfb657b7a 100644 (file)
--- a/arch/arm/cpu/armv7/am33xx/board.c
+++ b/arch/arm/cpu/armv7/am33xx/board.c
@@ -27,10 +27,12 @@
 #include <miiphy.h>
 #include <cpsw.h>
 #include <asm/errno.h>
+#include <linux/compiler.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
 #include <linux/usb/musb.h>
 #include <asm/omap_musb.h>
+#include <asm/davinci_rtc.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -137,21 +139,33 @@ int arch_misc_init(void)
 }
 
 #if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT)
+/*
+ * This function is the place to do per-board things such as ramp up the
+ * MPU clock frequency.
+ */
+__weak void am33xx_spl_board_init(void)
+{
+       do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
+       do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
+}
+
+#if defined(CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC)
 static void rtc32k_enable(void)
 {
-       struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE;
+       struct davinci_rtc *rtc = (struct davinci_rtc *)RTC_BASE;
 
        /*
         * Unlock the RTC's registers.  For more details please see the
         * RTC_SS section of the TRM.  In order to unlock we need to
         * write these specific values (keys) in this order.
         */
-       writel(0x83e70b13, &rtc->kick0r);
-       writel(0x95a4f1e0, &rtc->kick1r);
+       writel(RTC_KICK0R_WE, &rtc->kick0r);
+       writel(RTC_KICK1R_WE, &rtc->kick1r);
 
        /* Enable the RTC 32K OSC by setting bits 3 and 6. */
        writel((1 << 3) | (1 << 6), &rtc->osc);
 }
+#endif
 
 static void uart_soft_reset(void)
 {
@@ -220,8 +234,18 @@ void s_init(void)
 #if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT)
        prcm_init();
        set_mux_conf_regs();
+#if defined(CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC)
        /* Enable RTC32K clock */
        rtc32k_enable();
+#endif
        sdram_init();
 #endif
 }
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+       /* Enable D-cache. I-cache is already enabled in start.S */
+       dcache_enable();
+}
+#endif /* !CONFIG_SYS_DCACHE_OFF */