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

[karo-tx-uboot.git] / board / freescale / mx31pdk / mx31pdk.c

diff --git a/board/freescale/mx31pdk/mx31pdk.c b/board/freescale/mx31pdk/mx31pdk.c
index 0e7e0ce3477e32297be6b67dd558fcfddf3b6af7..4f6cfeeaa34bd3552acb941adf3131d7d320d28e 100644 (file)
--- a/board/freescale/mx31pdk/mx31pdk.c
+++ b/board/freescale/mx31pdk/mx31pdk.c
@@ -30,13 +30,31 @@
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/sys_proto.h>
 #include <watchdog.h>
+#include <power/pmic.h>
+#include <fsl_pmic.h>
+#include <errno.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#ifdef CONFIG_HW_WATCHDOG
-void hw_watchdog_reset(void)
+#ifdef CONFIG_SPL_BUILD
+void board_init_f(ulong bootflag)
 {
-       mxc_hw_watchdog_reset();
+       /*
+        * copy ourselves from where we are running to where we were
+        * linked at. Use ulong pointers as all addresses involved
+        * are 4-byte-aligned.
+        */
+       ulong *start_ptr, *end_ptr, *link_ptr, *run_ptr, *dst;
+       asm volatile ("ldr %0, =_start" : "=r"(start_ptr));
+       asm volatile ("ldr %0, =_end" : "=r"(end_ptr));
+       asm volatile ("ldr %0, =board_init_f" : "=r"(link_ptr));
+       asm volatile ("adr %0, board_init_f" : "=r"(run_ptr));
+       for (dst = start_ptr; dst < end_ptr; dst++)
+               *dst = *(dst+(run_ptr-link_ptr));
+       /*
+        * branch to nand_boot's link-time address.
+        */
+       asm volatile("ldr pc, =nand_boot");
 }
 #endif
 
@@ -79,8 +97,23 @@ int board_init(void)
 
 int board_late_init(void)
 {
+       u32 val;
+       struct pmic *p;
+       int ret;
+
+       ret = pmic_init(I2C_PMIC);
+       if (ret)
+               return ret;
+
+       p = pmic_get("FSL_PMIC");
+       if (!p)
+               return -ENODEV;
+       /* Enable RTC battery */
+       pmic_reg_read(p, REG_POWER_CTL0, &val);
+       pmic_reg_write(p, REG_POWER_CTL0, val | COINCHEN);
+       pmic_reg_write(p, REG_INT_STATUS1, RTCRSTI);
 #ifdef CONFIG_HW_WATCHDOG
-       mxc_hw_watchdog_enable();
+       hw_watchdog_init();
 #endif
        return 0;
 }