diff options
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 46fc64e..2d4d10f 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; } |