On Thu, 2023-08-17 at 10:57 +0200, Teresa Remmet wrote:
Due to PCB layout constraints in PCB revisions until including 1549.2, a RAM frequency of 2 GHz can cause rare instabilities. Set the RAM frequency to 1.5 GHz to achieve a stable system under all conditions.
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
Changes in v2:
- none
board/phytec/phycore_imx8mp/lpddr4_timing.c | 278 ++++++++++---------
1 file changed, 135 insertions(+), 143 deletions(-)
diff --git a/board/phytec/phycore_imx8mp/lpddr4_timing.c b/board/phytec/phycore_imx8mp/lpddr4_timing.c index e59dd74377cb..f2707b859606 100644 --- a/board/phytec/phycore_imx8mp/lpddr4_timing.c +++ b/board/phytec/phycore_imx8mp/lpddr4_timing.c @@ -13,63 +13,68 @@ static struct dram_cfg_param ddr_ddrc_cfg[] = { { 0x3d400304, 0x1 }, { 0x3d400030, 0x1 }, { 0x3d400000, 0xa1080020 }, - { 0x3d400020, 0x323 }, - { 0x3d400024, 0x1e84800 }, - { 0x3d400064, 0x7a0118 }, - { 0x3d4000d0, 0xc00307a3 }, - { 0x3d4000d4, 0xc50000 }, - { 0x3d4000dc, 0xf4003f }, - { 0x3d4000e0, 0x330000 }, + { 0x3d400020, 0x1223 }, + { 0x3d400024, 0x16e3600 }, + { 0x3d400064, 0x5b00d2 }, + { 0x3d400070, 0x7027f90 }, + { 0x3d400074, 0x790 }, + { 0x3d4000d0, 0xc00305ba }, + { 0x3d4000d4, 0x940000 }, + { 0x3d4000dc, 0xd4002d }, + { 0x3d4000e0, 0xf10000 }, { 0x3d4000e8, 0x660048 }, { 0x3d4000ec, 0x160048 }, - { 0x3d400100, 0x2028222a }, - { 0x3d400104, 0x807bf }, - { 0x3d40010c, 0xe0e000 }, - { 0x3d400110, 0x12040a12 }, - { 0x3d400114, 0x2050f0f }, - { 0x3d400118, 0x1010009 }, - { 0x3d40011c, 0x501 }, - { 0x3d400130, 0x20800 }, - { 0x3d400134, 0xe100002 }, - { 0x3d400138, 0x120 }, - { 0x3d400144, 0xc80064 }, - { 0x3d400180, 0x3e8001e }, - { 0x3d400184, 0x3207a12 }, + { 0x3d400100, 0x191e1920 }, + { 0x3d400104, 0x60630 }, + { 0x3d40010c, 0xb0b000 }, + { 0x3d400110, 0xe04080e }, + { 0x3d400114, 0x2040c0c }, + { 0x3d400118, 0x1010007 }, + { 0x3d40011c, 0x401 }, + { 0x3d400130, 0x20600 }, + { 0x3d400134, 0xc100002 }, + { 0x3d400138, 0xd8 }, + { 0x3d400144, 0x96004b }, + { 0x3d400180, 0x2ee0017 }, + { 0x3d400184, 0x2605b8e }, { 0x3d400188, 0x0 }, - { 0x3d400190, 0x49f820e }, + { 0x3d400190, 0x49b820a }, { 0x3d400194, 0x80303 }, - { 0x3d4001b4, 0x1f0e }, + { 0x3d4001b4, 0x1b0a }, { 0x3d4001a0, 0xe0400018 }, { 0x3d4001a4, 0xdf00e4 }, { 0x3d4001a8, 0x80000000 }, { 0x3d4001b0, 0x11 }, - { 0x3d4001c0, 0x1 }, + { 0x3d4001c0, 0x7 }, { 0x3d4001c4, 0x1 }, { 0x3d4000f4, 0xc99 }, - { 0x3d400108, 0x9121c1c }, + { 0x3d400108, 0x7101817 }, { 0x3d400200, 0x1f }, + { 0x3d400208, 0x0 }, { 0x3d40020c, 0x0 }, { 0x3d400210, 0x1f1f }, { 0x3d400204, 0x80808 }, { 0x3d400214, 0x7070707 }, { 0x3d400218, 0x7070707 }, - { 0x3d40021c, 0xf07 }, - { 0x3d400250, 0x1f05 }, - { 0x3d400254, 0x1f }, - { 0x3d400264, 0x90003ff }, - { 0x3d40026c, 0x20003ff }, + { 0x3d40021c, 0xf0f }, + { 0x3d400250, 0x1705 }, + { 0x3d400254, 0x2c }, + { 0x3d40025c, 0x4000030 }, + { 0x3d400264, 0x900093e7 }, + { 0x3d40026c, 0x2005574 }, { 0x3d400400, 0x111 }, + { 0x3d400404, 0x72ff }, { 0x3d400408, 0x72ff }, - { 0x3d400494, 0x1000e00 }, - { 0x3d400498, 0x3ff0000 }, - { 0x3d40049c, 0x1000e00 }, - { 0x3d4004a0, 0x3ff0000 }, - { 0x3d402020, 0x21 }, + { 0x3d400494, 0x2100e07 }, + { 0x3d400498, 0x620096 }, + { 0x3d40049c, 0x1100e07 }, + { 0x3d4004a0, 0xc8012c }, + { 0x3d402020, 0x1021 }, { 0x3d402024, 0x30d400 }, - { 0x3d402050, 0x20d040 }, + { 0x3d402050, 0x20d000 }, { 0x3d402064, 0xc001c }, { 0x3d4020dc, 0x840000 }, - { 0x3d4020e0, 0x330000 }, + { 0x3d4020e0, 0xf30000 }, { 0x3d4020e8, 0x660048 }, { 0x3d4020ec, 0x160048 }, { 0x3d402100, 0xa040305 }, @@ -89,12 +94,12 @@ static struct dram_cfg_param ddr_ddrc_cfg[] = { { 0x3d402194, 0x80303 }, { 0x3d4021b4, 0x100 }, { 0x3d4020f4, 0xc99 }, - { 0x3d403020, 0x21 }, + { 0x3d403020, 0x1021 }, { 0x3d403024, 0xc3500 }, - { 0x3d403050, 0x20d040 }, + { 0x3d403050, 0x20d000 }, { 0x3d403064, 0x30007 }, { 0x3d4030dc, 0x840000 }, - { 0x3d4030e0, 0x330000 }, + { 0x3d4030e0, 0xf30000 }, { 0x3d4030e8, 0x660048 }, { 0x3d4030ec, 0x160048 }, { 0x3d403100, 0xa010102 }, @@ -137,12 +142,12 @@ static struct dram_cfg_param ddr_ddrphy_cfg[] = { { 0x110a7, 0x6 }, { 0x120a0, 0x0 }, { 0x120a1, 0x1 }, - { 0x120a2, 0x3 }, - { 0x120a3, 0x2 }, - { 0x120a4, 0x5 }, - { 0x120a5, 0x4 }, - { 0x120a6, 0x7 }, - { 0x120a7, 0x6 }, + { 0x120a2, 0x2 }, + { 0x120a3, 0x3 }, + { 0x120a4, 0x4 }, + { 0x120a5, 0x5 }, + { 0x120a6, 0x6 }, + { 0x120a7, 0x7 }, { 0x130a0, 0x0 }, { 0x130a1, 0x1 }, { 0x130a2, 0x2 }, @@ -185,7 +190,7 @@ static struct dram_cfg_param ddr_ddrphy_cfg[] = { { 0x7055, 0x1ff }, { 0x8055, 0x1ff }, { 0x9055, 0x1ff }, - { 0x200c5, 0x18 }, + { 0x200c5, 0x19 }, { 0x1200c5, 0x7 }, { 0x2200c5, 0x7 }, { 0x2002e, 0x2 }, @@ -194,11 +199,11 @@ static struct dram_cfg_param ddr_ddrphy_cfg[] = { { 0x90204, 0x0 }, { 0x190204, 0x0 }, { 0x290204, 0x0 }, - { 0x20024, 0x1e3 }, + { 0x20024, 0x1a3 }, { 0x2003a, 0x2 }, - { 0x120024, 0x1e3 }, + { 0x120024, 0x1a3 }, { 0x2003a, 0x2 }, - { 0x220024, 0x1e3 }, + { 0x220024, 0x1a3 }, { 0x2003a, 0x2 }, { 0x20056, 0x3 }, { 0x120056, 0x3 }, @@ -264,7 +269,7 @@ static struct dram_cfg_param ddr_ddrphy_cfg[] = { { 0x20018, 0x3 }, { 0x20075, 0x4 }, { 0x20050, 0x0 }, - { 0x20008, 0x3e8 }, + { 0x20008, 0x2ee }, { 0x120008, 0x64 }, { 0x220008, 0x19 }, { 0x20088, 0x9 }, @@ -310,19 +315,15 @@ static struct dram_cfg_param ddr_ddrphy_cfg[] = { { 0x200f6, 0x0 }, { 0x200f7, 0xf000 }, { 0x20025, 0x0 }, - { 0x2002d, 0x0 }, - { 0x12002d, 0x0 }, - { 0x22002d, 0x0 }, + { 0x2002d, 0x1 }, + { 0x12002d, 0x1 }, + { 0x22002d, 0x1 }, { 0x2007d, 0x212 }, { 0x12007d, 0x212 }, { 0x22007d, 0x212 }, { 0x2007c, 0x61 }, { 0x12007c, 0x61 }, { 0x22007c, 0x61 }, - { 0x1004a, 0x500 }, - { 0x1104a, 0x500 }, - { 0x1204a, 0x500 }, - { 0x1304a, 0x500 }, { 0x2002c, 0x0 }, }; @@ -1052,7 +1053,7 @@ static struct dram_cfg_param ddr_ddrphy_trained_csr[] = { /* P0 message block paremeter for training firmware */ static struct dram_cfg_param ddr_fsp0_cfg[] = { { 0xd0000, 0x0 }, - { 0x54003, 0xfa0 }, + { 0x54003, 0xbb8 }, { 0x54004, 0x2 }, { 0x54005, 0x2228 }, { 0x54006, 0x14 }, @@ -1061,26 +1062,26 @@ static struct dram_cfg_param ddr_fsp0_cfg[] = { { 0x5400b, 0x2 }, { 0x5400f, 0x100 }, { 0x54012, 0x110 }, - { 0x54019, 0x3ff4 }, - { 0x5401a, 0x33 }, + { 0x54019, 0x2dd4 }, + { 0x5401a, 0xf1 }, { 0x5401b, 0x4866 }, { 0x5401c, 0x4800 }, { 0x5401e, 0x16 }, - { 0x5401f, 0x3ff4 }, - { 0x54020, 0x33 }, + { 0x5401f, 0x2dd4 }, + { 0x54020, 0xf1 }, { 0x54021, 0x4866 }, { 0x54022, 0x4800 }, { 0x54024, 0x16 }, { 0x5402b, 0x1000 }, { 0x5402c, 0x1 }, - { 0x54032, 0xf400 }, - { 0x54033, 0x333f }, + { 0x54032, 0xd400 }, + { 0x54033, 0xf12d }, { 0x54034, 0x6600 }, { 0x54035, 0x48 }, { 0x54036, 0x48 }, { 0x54037, 0x1600 }, - { 0x54038, 0xf400 }, - { 0x54039, 0x333f }, + { 0x54038, 0xd400 }, + { 0x54039, 0xf12d }, { 0x5403a, 0x6600 }, { 0x5403b, 0x48 }, { 0x5403c, 0x48 }, @@ -1102,25 +1103,25 @@ static struct dram_cfg_param ddr_fsp1_cfg[] = { { 0x5400f, 0x100 }, { 0x54012, 0x110 }, { 0x54019, 0x84 }, - { 0x5401a, 0x33 }, + { 0x5401a, 0xf3 }, { 0x5401b, 0x4866 }, { 0x5401c, 0x4800 }, { 0x5401e, 0x16 }, { 0x5401f, 0x84 }, - { 0x54020, 0x33 }, + { 0x54020, 0xf3 }, { 0x54021, 0x4866 }, { 0x54022, 0x4800 }, { 0x54024, 0x16 }, { 0x5402b, 0x1000 }, { 0x5402c, 0x1 }, { 0x54032, 0x8400 }, - { 0x54033, 0x3300 }, + { 0x54033, 0xf300 }, { 0x54034, 0x6600 }, { 0x54035, 0x48 }, { 0x54036, 0x48 }, { 0x54037, 0x1600 }, { 0x54038, 0x8400 }, - { 0x54039, 0x3300 }, + { 0x54039, 0xf300 }, { 0x5403a, 0x6600 }, { 0x5403b, 0x48 }, { 0x5403c, 0x48 }, @@ -1142,25 +1143,25 @@ static struct dram_cfg_param ddr_fsp2_cfg[] = { { 0x5400f, 0x100 }, { 0x54012, 0x110 }, { 0x54019, 0x84 }, - { 0x5401a, 0x33 }, + { 0x5401a, 0xf3 }, { 0x5401b, 0x4866 }, { 0x5401c, 0x4800 }, { 0x5401e, 0x16 }, { 0x5401f, 0x84 }, - { 0x54020, 0x33 }, + { 0x54020, 0xf3 }, { 0x54021, 0x4866 }, { 0x54022, 0x4800 }, { 0x54024, 0x16 }, { 0x5402b, 0x1000 }, { 0x5402c, 0x1 }, { 0x54032, 0x8400 }, - { 0x54033, 0x3300 }, + { 0x54033, 0xf300 }, { 0x54034, 0x6600 }, { 0x54035, 0x48 }, { 0x54036, 0x48 }, { 0x54037, 0x1600 }, { 0x54038, 0x8400 }, - { 0x54039, 0x3300 }, + { 0x54039, 0xf300 }, { 0x5403a, 0x6600 }, { 0x5403b, 0x48 }, { 0x5403c, 0x48 }, @@ -1171,37 +1172,36 @@ static struct dram_cfg_param ddr_fsp2_cfg[] = { /* P0 2D message block paremeter for training firmware */ static struct dram_cfg_param ddr_fsp0_2d_cfg[] = { { 0xd0000, 0x0 }, - { 0x54003, 0xfa0 }, + { 0x54003, 0xbb8 }, { 0x54004, 0x2 }, { 0x54005, 0x2228 }, { 0x54006, 0x14 }, { 0x54008, 0x61 }, { 0x54009, 0xc8 }, { 0x5400b, 0x2 }, - { 0x5400d, 0x100 }, { 0x5400f, 0x100 }, { 0x54010, 0x1f7f }, { 0x54012, 0x110 }, - { 0x54019, 0x3ff4 }, - { 0x5401a, 0x33 }, + { 0x54019, 0x2dd4 }, + { 0x5401a, 0xf1 }, { 0x5401b, 0x4866 }, { 0x5401c, 0x4800 }, { 0x5401e, 0x16 }, - { 0x5401f, 0x3ff4 }, - { 0x54020, 0x33 }, + { 0x5401f, 0x2dd4 }, + { 0x54020, 0xf1 }, { 0x54021, 0x4866 }, { 0x54022, 0x4800 }, { 0x54024, 0x16 }, { 0x5402b, 0x1000 }, { 0x5402c, 0x1 }, - { 0x54032, 0xf400 }, - { 0x54033, 0x333f }, + { 0x54032, 0xd400 }, + { 0x54033, 0xf12d }, { 0x54034, 0x6600 }, { 0x54035, 0x48 }, { 0x54036, 0x48 }, { 0x54037, 0x1600 }, - { 0x54038, 0xf400 }, - { 0x54039, 0x333f }, + { 0x54038, 0xd400 }, + { 0x54039, 0xf12d }, { 0x5403a, 0x6600 }, { 0x5403b, 0x48 }, { 0x5403c, 0x48 }, @@ -1629,67 +1629,58 @@ static struct dram_cfg_param ddr_phy_pie[] = { { 0x90155, 0x20 }, { 0x90156, 0x2aa }, { 0x90157, 0x9 }, - { 0x90158, 0x0 }, - { 0x90159, 0x400 }, - { 0x9015a, 0x10e }, - { 0x9015b, 0x8 }, - { 0x9015c, 0xe8 }, - { 0x9015d, 0x109 }, - { 0x9015e, 0x0 }, - { 0x9015f, 0x8140 }, - { 0x90160, 0x10c }, - { 0x90161, 0x10 }, - { 0x90162, 0x8138 }, - { 0x90163, 0x10c }, - { 0x90164, 0x8 }, - { 0x90165, 0x7c8 }, - { 0x90166, 0x101 }, - { 0x90167, 0x8 }, - { 0x90168, 0x448 }, + { 0x90158, 0x8 }, + { 0x90159, 0xe8 }, + { 0x9015a, 0x109 }, + { 0x9015b, 0x0 }, + { 0x9015c, 0x8140 }, + { 0x9015d, 0x10c }, + { 0x9015e, 0x10 }, + { 0x9015f, 0x8138 }, + { 0x90160, 0x104 }, + { 0x90161, 0x8 }, + { 0x90162, 0x448 }, + { 0x90163, 0x109 }, + { 0x90164, 0xf }, + { 0x90165, 0x7c0 }, + { 0x90166, 0x109 }, + { 0x90167, 0x0 }, + { 0x90168, 0xe8 }, { 0x90169, 0x109 }, - { 0x9016a, 0xf }, - { 0x9016b, 0x7c0 }, + { 0x9016a, 0x47 }, + { 0x9016b, 0x630 }, { 0x9016c, 0x109 }, - { 0x9016d, 0x0 }, - { 0x9016e, 0xe8 }, + { 0x9016d, 0x8 }, + { 0x9016e, 0x618 }, { 0x9016f, 0x109 }, - { 0x90170, 0x47 }, - { 0x90171, 0x630 }, + { 0x90170, 0x8 }, + { 0x90171, 0xe0 }, { 0x90172, 0x109 }, - { 0x90173, 0x8 }, - { 0x90174, 0x618 }, + { 0x90173, 0x0 }, + { 0x90174, 0x7c8 }, { 0x90175, 0x109 }, { 0x90176, 0x8 }, - { 0x90177, 0xe0 }, - { 0x90178, 0x109 }, + { 0x90177, 0x8140 }, + { 0x90178, 0x10c }, { 0x90179, 0x0 }, - { 0x9017a, 0x7c8 }, + { 0x9017a, 0x478 }, { 0x9017b, 0x109 }, - { 0x9017c, 0x8 }, - { 0x9017d, 0x8140 }, - { 0x9017e, 0x10c }, - { 0x9017f, 0x0 }, - { 0x90180, 0x478 }, - { 0x90181, 0x109 }, - { 0x90182, 0x0 }, - { 0x90183, 0x1 }, - { 0x90184, 0x8 }, - { 0x90185, 0x8 }, - { 0x90186, 0x4 }, - { 0x90187, 0x8 }, - { 0x90188, 0x8 }, - { 0x90189, 0x7c8 }, - { 0x9018a, 0x101 }, - { 0x90006, 0x0 }, - { 0x90007, 0x0 }, - { 0x90008, 0x8 }, + { 0x9017c, 0x0 }, + { 0x9017d, 0x1 }, + { 0x9017e, 0x8 }, + { 0x9017f, 0x8 }, + { 0x90180, 0x4 }, + { 0x90181, 0x0 }, + { 0x90006, 0x8 }, + { 0x90007, 0x7c8 }, + { 0x90008, 0x109 }, { 0x90009, 0x0 }, - { 0x9000a, 0x0 }, - { 0x9000b, 0x0 }, + { 0x9000a, 0x400 }, + { 0x9000b, 0x106 }, { 0xd00e7, 0x400 }, { 0x90017, 0x0 }, { 0x9001f, 0x29 }, - { 0x90026, 0x6a }, + { 0x90026, 0x68 }, { 0x400d0, 0x0 }, { 0x400d1, 0x101 }, { 0x400d2, 0x105 }, @@ -1699,15 +1690,16 @@ static struct dram_cfg_param ddr_phy_pie[] = { { 0x400d6, 0x20a }, { 0x400d7, 0x20b }, { 0x2003a, 0x2 }, - { 0x2000b, 0x7d }, - { 0x2000c, 0xfa }, - { 0x2000d, 0x9c4 }, + { 0x200be, 0x3 }, + { 0x2000b, 0x34b }, + { 0x2000c, 0xbb }, + { 0x2000d, 0x753 }, { 0x2000e, 0x2c }, - { 0x12000b, 0xc }, + { 0x12000b, 0x70 }, { 0x12000c, 0x19 }, { 0x12000d, 0xfa }, { 0x12000e, 0x10 }, - { 0x22000b, 0x3 }, + { 0x22000b, 0x1c }, { 0x22000c, 0x6 }, { 0x22000d, 0x3e }, { 0x22000e, 0x10 }, @@ -1804,8 +1796,8 @@ static struct dram_cfg_param ddr_phy_pie[] = { static struct dram_fsp_msg ddr_dram_fsp_msg[] = { { - /* P0 4000mts 1D */ - .drate = 4000, + /* P0 3000mts 1D */ + .drate = 3000, .fw_type = FW_1D_IMAGE, .fsp_cfg = ddr_fsp0_cfg, .fsp_cfg_num = ARRAY_SIZE(ddr_fsp0_cfg), @@ -1825,8 +1817,8 @@ static struct dram_fsp_msg ddr_dram_fsp_msg[] = { .fsp_cfg_num = ARRAY_SIZE(ddr_fsp2_cfg), }, { - /* P0 4000mts 2D */ - .drate = 4000, + /* P0 3000mts 2D */ + .drate = 3000, .fw_type = FW_2D_IMAGE, .fsp_cfg = ddr_fsp0_2d_cfg, .fsp_cfg_num = ARRAY_SIZE(ddr_fsp0_2d_cfg), @@ -1845,5 +1837,5 @@ struct dram_timing_info dram_timing = { .ddrphy_trained_csr_num = ARRAY_SIZE(ddr_ddrphy_trained_csr), .ddrphy_pie = ddr_phy_pie, .ddrphy_pie_num = ARRAY_SIZE(ddr_phy_pie), - .fsp_table = { 4000, 400, 100, }, + .fsp_table = { 3000, 400, 100, }, };