diff options
| author | Tang Yuantian <Yuantian.Tang@freescale.com> | 2014-11-21 11:17:16 +0800 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2014-12-15 09:17:12 -0800 |
| commit | 00233528559c913e4bfafb1505ebf65f78e02976 (patch) | |
| tree | 40606ab17bcdda7be1dc110624731476523ae775 /board/freescale/t104xrdb/ddr.c | |
| parent | 9c7c86f431866ee102cc68e6b5152f63250f49dc (diff) | |
| download | u-boot-00233528559c913e4bfafb1505ebf65f78e02976.tar.gz | |
mpc85xx/t104xrdb: convert deep sleep to generic board interface
A new 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/t104xrdb/ddr.c')
| -rw-r--r-- | board/freescale/t104xrdb/ddr.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/board/freescale/t104xrdb/ddr.c b/board/freescale/t104xrdb/ddr.c index 2c331eebf9..5aa11b12a4 100644 --- a/board/freescale/t104xrdb/ddr.c +++ b/board/freescale/t104xrdb/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> #include "ddr.h" DECLARE_GLOBAL_DATA_PTR; @@ -109,6 +110,19 @@ found: popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm); } +#if defined(CONFIG_DEEP_SLEEP) +void board_mem_sleep_setup(void) +{ + void __iomem *cpld_base = (void *)CONFIG_SYS_CPLD_BASE; + + /* does not provide HW signals for power management */ + clrbits_8(cpld_base + 0x17, 0x40); + /* Disable MCKE isolation */ + gpio_set_value(2, 0); + udelay(1); +} +#endif + phys_size_t initdram(int board_type) { phys_size_t dram_size; @@ -124,5 +138,10 @@ phys_size_t initdram(int board_type) #else dram_size = fsl_ddr_sdram_size(); #endif + +#if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD) + fsl_dp_resume(); +#endif + return dram_size; } |