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powerpc/t104xrdb: Toggle deep sleep management signals after resume

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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>
This commit is contained in:
Tang Yuantian 2014-05-07 10:25:06 +08:00 • committed by York Sun
parent 477c894ff4
commit 0f1fa36fff
1 changed files with 2 additions and 0 deletions
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2
board/freescale/t104xrdb/t104xrdb.c
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@ -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);