From f49b8c1b5d9db6d349000b25312c672a1f6627b8 Mon Sep 17 00:00:00 2001 From: tang yuantian Date: Wed, 17 Dec 2014 15:42:54 +0800 Subject: mpc85xx/t102xrdb: 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. Besides, added SPI/SD/NAND boot deep sleep support. Signed-off-by: Tang Yuantian Reviewed-by: York Sun --- board/freescale/t102xrdb/ddr.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'board/freescale/t102xrdb/ddr.c') diff --git a/board/freescale/t102xrdb/ddr.c b/board/freescale/t102xrdb/ddr.c index a20330b1d01..a2a8f4ccf04 100644 --- a/board/freescale/t102xrdb/ddr.c +++ b/board/freescale/t102xrdb/ddr.c @@ -11,6 +11,7 @@ #include #include #include +#include DECLARE_GLOBAL_DATA_PTR; @@ -136,6 +137,19 @@ found: #endif } +#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; @@ -150,5 +164,10 @@ 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; } -- cgit v1.2.3