From 48f6a9a2bfffb77d00444865b40681aa5b41c6c7 Mon Sep 17 00:00:00 2001 From: Tang Yuantian Date: Thu, 17 Apr 2014 15:33:44 +0800 Subject: [PATCH] mpc85xx: Add deep sleep support on T1040QDS Add deep sleep support on T1040QDS platform. Signed-off-by: Tang Yuantian Reviewed-by: York Sun --- board/freescale/t1040qds/t1040qds.c | 12 ++++++++++++ include/configs/T1040QDS.h | 4 ++++ 2 files changed, 16 insertions(+) diff --git a/board/freescale/t1040qds/t1040qds.c b/board/freescale/t1040qds/t1040qds.c index 3dec4473e5..f1d7cdef6f 100644 --- a/board/freescale/t1040qds/t1040qds.c +++ b/board/freescale/t1040qds/t1040qds.c @@ -18,6 +18,7 @@ #include #include #include +#include #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 030ea7e660..745a2f22f9 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 -- 2.30.2