diff mbox

[U-Boot,1/2] mpc85xx: Add deep sleep support on T1040QDS

Message ID 1397720026-17849-1-git-send-email-Yuantian.Tang@freescale.com
State Accepted
Delegated to: York Sun
Headers show

Commit Message

tang yuantian April 17, 2014, 7:33 a.m. UTC
From: Tang Yuantian <yuantian.tang@freescale.com>

Add deep sleep support on T1040QDS platform.

Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
---
 board/freescale/t1040qds/t1040qds.c | 12 ++++++++++++
 include/configs/T1040QDS.h          |  4 ++++
 2 files changed, 16 insertions(+)

Comments

York Sun April 23, 2014, 10:39 p.m. UTC | #1
On 04/17/2014 12:33 AM, Tang Yuantian wrote:
> From: Tang Yuantian <yuantian.tang@freescale.com>
> 
> Add deep sleep support on T1040QDS platform.
> 
> Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
> ---

Applied to u-boot-mpc85xx/master, thanks.

York
diff mbox

Patch

diff --git a/board/freescale/t1040qds/t1040qds.c b/board/freescale/t1040qds/t1040qds.c
index 3dec447..f1d7cde 100644
--- a/board/freescale/t1040qds/t1040qds.c
+++ b/board/freescale/t1040qds/t1040qds.c
@@ -18,6 +18,7 @@ 
 #include <asm/fsl_portals.h>
 #include <asm/fsl_liodn.h>
 #include <fm_eth.h>
+#include <asm/mpc85xx_gpio.h>
 
 #include "../common/qixis.h"
 #include "t1040qds.h"
@@ -245,3 +246,14 @@  int board_need_mem_reset(void)
 {
 	return 1;
 }
+
+#ifdef CONFIG_DEEP_SLEEP
+void board_mem_sleep_setup(void)
+{
+	/* does not provide HW signals for power management */
+	QIXIS_WRITE(pwr_ctl[1], (QIXIS_READ(pwr_ctl[1]) & ~0x2));
+	/* Disable MCKE isolation */
+	gpio_set_value(2, 0);
+	udelay(1);
+}
+#endif
diff --git a/include/configs/T1040QDS.h b/include/configs/T1040QDS.h
index 030ea7e..745a2f2 100644
--- a/include/configs/T1040QDS.h
+++ b/include/configs/T1040QDS.h
@@ -43,6 +43,10 @@ 
 #define CONFIG_SYS_BOOK3E_HV		/* Category E.HV supported */
 #define CONFIG_MP			/* support multiple processors */
 
+/* support deep sleep */
+#define CONFIG_DEEP_SLEEP
+#define CONFIG_SILENT_CONSOLE
+
 #ifndef CONFIG_SYS_TEXT_BASE
 #define CONFIG_SYS_TEXT_BASE	0xeff40000
 #endif