diff options
Diffstat (limited to 'board/freescale/ls1021atwr')
| -rw-r--r-- | board/freescale/ls1021atwr/ls1021atwr.c | 19 |
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 |