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 bc60632aa0b34662a10243f30c9f6a42f856bbb0..4f6cfeeaa34bd3552acb941adf3131d7d320d28e 100644 (file)
--- a/board/freescale/mx31pdk/mx31pdk.c
+++ b/board/freescale/mx31pdk/mx31pdk.c
@@ -36,10 +36,25 @@
 
 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
 
@@ -98,7 +113,7 @@ int board_late_init(void)
        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;
 }