diff options
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 2c331ee..5aa11b1 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; } |