diff options
| author | Teresa Remmet | 2023-08-17 10:57:11 +0200 |
|---|---|---|
| committer | Stefano Babic | 2023-10-16 11:29:58 +0200 |
| commit | 2943b8c5636aa8ed81a65cc011066c979498b24d (patch) | |
| tree | 123deef6a17de109f45d29ea95dd6fd0b9d8056e | |
| parent | 5445f293c4d49612f4d5220cf3a6841dfb6a7f5d (diff) | |
board: phytec: phycore_imx8mp: Add 4000MTS RAM timings based on PCB rev
Starting with PCB revision 3 we can safely make use of higher RAM
frequency again. Make use of the EEPROM detection to determine the
revision and use the updated RAM timings for new SoMs.
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Reviewed-by: Yannic Moog <y.moog@phytec.de>
Tested-by: Yannic Moog <y.moog@phytec.de>
| -rw-r--r-- | board/phytec/phycore_imx8mp/spl.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/board/phytec/phycore_imx8mp/spl.c b/board/phytec/phycore_imx8mp/spl.c index 49406f2eafa..d38f6368fe3 100644 --- a/board/phytec/phycore_imx8mp/spl.c +++ b/board/phytec/phycore_imx8mp/spl.c @@ -46,6 +46,67 @@ void spl_dram_init(void) if (!ret) phytec_print_som_info(NULL); + ret = phytec_get_rev(NULL); + if (ret >= 3 && ret != PHYTEC_EEPROM_INVAL) { + dram_timing.ddrc_cfg[3].val = 0x1323; + dram_timing.ddrc_cfg[4].val = 0x1e84800; + dram_timing.ddrc_cfg[5].val = 0x7a0118; + dram_timing.ddrc_cfg[8].val = 0xc00307a3; + dram_timing.ddrc_cfg[9].val = 0xc50000; + dram_timing.ddrc_cfg[10].val = 0xf4003f; + dram_timing.ddrc_cfg[11].val = 0xf30000; + dram_timing.ddrc_cfg[14].val = 0x2028222a; + dram_timing.ddrc_cfg[15].val = 0x8083f; + dram_timing.ddrc_cfg[16].val = 0xe0e000; + dram_timing.ddrc_cfg[17].val = 0x12040a12; + dram_timing.ddrc_cfg[18].val = 0x2050f0f; + dram_timing.ddrc_cfg[19].val = 0x1010009; + dram_timing.ddrc_cfg[20].val = 0x502; + dram_timing.ddrc_cfg[21].val = 0x20800; + dram_timing.ddrc_cfg[22].val = 0xe100002; + dram_timing.ddrc_cfg[23].val = 0x120; + dram_timing.ddrc_cfg[24].val = 0xc80064; + dram_timing.ddrc_cfg[25].val = 0x3e8001e; + dram_timing.ddrc_cfg[26].val = 0x3207a12; + dram_timing.ddrc_cfg[28].val = 0x4a3820e; + dram_timing.ddrc_cfg[30].val = 0x230e; + dram_timing.ddrc_cfg[37].val = 0x799; + dram_timing.ddrc_cfg[38].val = 0x9141d1c; + dram_timing.ddrc_cfg[74].val = 0x302; + dram_timing.ddrc_cfg[83].val = 0x599; + dram_timing.ddrc_cfg[99].val = 0x302; + dram_timing.ddrc_cfg[108].val = 0x599; + dram_timing.ddrphy_cfg[66].val = 0x18; + dram_timing.ddrphy_cfg[75].val = 0x1e3; + dram_timing.ddrphy_cfg[77].val = 0x1e3; + dram_timing.ddrphy_cfg[79].val = 0x1e3; + dram_timing.ddrphy_cfg[145].val = 0x3e8; + dram_timing.fsp_msg[0].drate = 4000; + dram_timing.fsp_msg[0].fsp_cfg[1].val = 0xfa0; + dram_timing.fsp_msg[0].fsp_cfg[10].val = 0x3ff4; + dram_timing.fsp_msg[0].fsp_cfg[11].val = 0xf3; + dram_timing.fsp_msg[0].fsp_cfg[15].val = 0x3ff4; + dram_timing.fsp_msg[0].fsp_cfg[16].val = 0xf3; + dram_timing.fsp_msg[0].fsp_cfg[22].val = 0xf400; + dram_timing.fsp_msg[0].fsp_cfg[23].val = 0xf33f; + dram_timing.fsp_msg[0].fsp_cfg[28].val = 0xf400; + dram_timing.fsp_msg[0].fsp_cfg[29].val = 0xf33f; + dram_timing.fsp_msg[3].drate = 4000; + dram_timing.fsp_msg[3].fsp_cfg[1].val = 0xfa0; + dram_timing.fsp_msg[3].fsp_cfg[11].val = 0x3ff4; + dram_timing.fsp_msg[3].fsp_cfg[12].val = 0xf3; + dram_timing.fsp_msg[3].fsp_cfg[16].val = 0x3ff4; + dram_timing.fsp_msg[3].fsp_cfg[17].val = 0xf3; + dram_timing.fsp_msg[3].fsp_cfg[23].val = 0xf400; + dram_timing.fsp_msg[3].fsp_cfg[24].val = 0xf33f; + dram_timing.fsp_msg[3].fsp_cfg[29].val = 0xf400; + dram_timing.fsp_msg[3].fsp_cfg[30].val = 0xf33f; + dram_timing.ddrphy_pie[480].val = 0x465; + dram_timing.ddrphy_pie[481].val = 0xfa; + dram_timing.ddrphy_pie[482].val = 0x9c4; + dram_timing.fsp_table[0] = 4000; + } + out: ddr_init(&dram_timing); } |