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-rw-r--r--board/freescale/ls1021atwr/ls1021atwr.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/board/freescale/ls1021atwr/ls1021atwr.c b/board/freescale/ls1021atwr/ls1021atwr.c
index 445ea24..4918c11 100644
--- a/board/freescale/ls1021atwr/ls1021atwr.c
+++ b/board/freescale/ls1021atwr/ls1021atwr.c
@@ -436,8 +436,10 @@ int board_early_init_f(void)
}
#if defined(CONFIG_DEEP_SLEEP)
- if (is_warm_boot())
- fsl_dp_disable_console();
+ if (is_warm_boot()) {
+ timer_init();
+ dram_init();
+ }
#endif
return 0;
@@ -446,6 +448,8 @@ int board_early_init_f(void)
#ifdef CONFIG_SPL_BUILD
void board_init_f(ulong dummy)
{
+ void (*second_uboot)(void);
+
/* Clear the BSS */
memset(__bss_start, 0, __bss_end - __bss_start);
@@ -466,6 +470,17 @@ void board_init_f(ulong dummy)
enable_layerscape_ns_access();
#endif
+ /*
+ * if it is woken up from deep sleep, then jump to second
+ * stage uboot and continue executing without recopying
+ * it from SD since it has already been reserved in memeory
+ * in last boot.
+ */
+ if (is_warm_boot()) {
+ second_uboot = (void (*)(void))CONFIG_SYS_TEXT_BASE;
+ second_uboot();
+ }
+
board_init_r(NULL, 0);
}
#endif