diff options
| author | tang yuantian <Yuantian.Tang@freescale.com> | 2014-12-18 09:55:07 +0800 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2015-01-16 09:31:26 -0800 |
| commit | 2c537642e98969e1810c6fdeff3099584f674a66 (patch) | |
| tree | a53ff683a6ac9be6323ba432575909eebff13647 /board/freescale/t102xqds/ddr.c | |
| parent | e26416a3f1631b906776a4e965313b3269faf259 (diff) | |
| download | u-boot-2c537642e98969e1810c6fdeff3099584f674a66.tar.gz | |
mpc85xx/t102xqds: convert deep sleep to generic board interface
A new deep sleep interface is introduced to support generic
board structure. Converts it to use new interface.
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'board/freescale/t102xqds/ddr.c')
| -rw-r--r-- | board/freescale/t102xqds/ddr.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/board/freescale/t102xqds/ddr.c b/board/freescale/t102xqds/ddr.c index 46fc64e528..2d4d10f351 100644 --- a/board/freescale/t102xqds/ddr.c +++ b/board/freescale/t102xqds/ddr.c @@ -11,6 +11,7 @@ #include <fsl_ddr_sdram.h> #include <fsl_ddr_dimm_params.h> #include <asm/fsl_law.h> +#include <asm/mpc85xx_gpio.h> DECLARE_GLOBAL_DATA_PTR; @@ -152,6 +153,19 @@ found: #endif } +#if defined(CONFIG_DEEP_SLEEP) +void board_mem_sleep_setup(void) +{ + void __iomem *qixis_base = (void *)QIXIS_BASE; + + /* does not provide HW signals for power management */ + clrbits_8(qixis_base + 0x21, 0x2); + /* Disable MCKE isolation */ + gpio_set_value(2, 0); + udelay(1); +} +#endif + phys_size_t initdram(int board_type) { phys_size_t dram_size; @@ -166,5 +180,10 @@ phys_size_t initdram(int board_type) /* DDR has been initialised by first stage boot loader */ dram_size = fsl_ddr_sdram_size(); #endif + +#if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD) + fsl_dp_resume(); +#endif + return dram_size; } |