diff options
Diffstat (limited to 'plat/imx/common/imx8m/dram.c')
| -rw-r--r-- | plat/imx/common/imx8m/dram.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/plat/imx/common/imx8m/dram.c b/plat/imx/common/imx8m/dram.c index 26d464fe..e00ca96d 100644 --- a/plat/imx/common/imx8m/dram.c +++ b/plat/imx/common/imx8m/dram.c @@ -67,20 +67,13 @@ void dram_phy_init(void) } } - void dram_info_init(unsigned long dram_timing_base) { uint32_t current_fsp, ddr_type; /* get the dram type */ ddr_type = mmio_read_32(DDRC_MSTR(0)) & DDR_TYPE_MASK; - - if (ddr_type == DDRC_LPDDR4) { - dram_info.dram_type = ddr_type; - } else { - /* TODO DDR4 support will be added later */ - return; - } + dram_info.dram_type = ddr_type; /* init the boot_fsp & current_fsp */ current_fsp = mmio_read_32(DDRC_DFIMISC(0)); @@ -95,7 +88,7 @@ void dram_info_init(unsigned long dram_timing_base) dram_info.timing_info = (struct dram_timing_info *)dram_timing_base; /* switch to the highest frequency point */ - if(current_fsp != 0x0) { + if(ddr_type == DDRC_LPDDR4 && current_fsp != 0x0) { /* flush the L1/L2 cache */ dcsw_op_all(DCCSW); lpddr4_swffc(dev_fsp, 0x0); @@ -105,16 +98,18 @@ void dram_info_init(unsigned long dram_timing_base) void dram_enter_retention(void) { - /* TODO add the ddr4 support in the furture */ if (dram_info.dram_type == DDRC_LPDDR4) lpddr4_enter_retention(); + else if (dram_info.dram_type == DDRC_DDR4) + ddr4_enter_retention(); } void dram_exit_retention(void) { - /* TODO add the ddr4 support in the furture */ if (dram_info.dram_type == DDRC_LPDDR4) lpddr4_exit_retention(); + else if (dram_info.dram_type == DDRC_DDR4) + ddr4_exit_retention(); } int dram_dvfs_handler(uint32_t smc_fid, |