From 0f1fa36ffffbd34c8512eeacade7139bcffda47c Mon Sep 17 00:00:00 2001 From: Tang Yuantian Date: Wed, 7 May 2014 10:25:06 +0800 Subject: [PATCH] powerpc/t104xrdb: Toggle deep sleep management signals after resume T104xrdb has several sleep management signals that are used for deep sleep. They are enabled by OS to enter deep sleep and should be disabled by u-boot when cores wake up. Signed-off-by: Tang Yuantian Reviewed-by: York Sun --- board/freescale/t104xrdb/t104xrdb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/board/freescale/t104xrdb/t104xrdb.c b/board/freescale/t104xrdb/t104xrdb.c index fb5b849..a5e5fff 100644 --- a/board/freescale/t104xrdb/t104xrdb.c +++ b/board/freescale/t104xrdb/t104xrdb.c @@ -109,6 +109,8 @@ void ft_board_setup(void *blob, bd_t *bd) #ifdef CONFIG_DEEP_SLEEP void board_mem_sleep_setup(void) { + /* does not provide HW signals for power management */ + CPLD_WRITE(misc_ctl_status, (CPLD_READ(misc_ctl_status) & ~0x40)); /* Disable MCKE isolation */ gpio_set_value(2, 0); udelay(1);