Re: [U-Boot] [PATCH] powerpc/t104xrdb: Toggle deep sleep management signals after resume

[York Sun]

On 05/06/2014 07:25 PM, Tang Yuantian wrote:
 From: Tang Yuantian yuantian.t...@freescale.com
 
 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.t...@freescale.com
 ---


Applied to u-boot-mpc85xx/master.

York


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[U-Boot] [PATCH] powerpc/t104xrdb: Toggle deep sleep management signals after resume

[Tang Yuantian]

From: Tang Yuantian yuantian.t...@freescale.com

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.t...@freescale.com
---
 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 24b8dba..c87519c 100644
--- a/board/freescale/t104xrdb/t104xrdb.c
+++ b/board/freescale/t104xrdb/t104xrdb.c
@@ -108,6 +108,8 @@ 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);
-- 
1.8.5

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