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 <Yuantian.Tang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

diff --git a/board/freescale/t104xrdb/t104xrdb.c b/board/freescale/t104xrdb/t104xrdb.c
index fb5b84940eaebdefcd7ac1bcd282f610e431377b..a5e5fffac4c8fc48da640d8a89b59d389acf234b 100644 (file)
--- 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);