From: Emanuele Ghidoli emanuele.ghidoli@toradex.com
Deduplicate similar DDRC configurations and LPDDR4 training patterns by patching a single configuration.
The aim is to reduce the SPL memory footprint and simplify maintenance of lpddr4_timing.c
Signed-off-by: Emanuele Ghidoli emanuele.ghidoli@toradex.com Signed-off-by: Marcel Ziswiler marcel.ziswiler@toradex.com ---
board/toradex/verdin-imx8mp/lpddr4_timing.c | 380 ++++---------------- board/toradex/verdin-imx8mp/lpddr4_timing.h | 11 + board/toradex/verdin-imx8mp/spl.c | 6 +- 3 files changed, 75 insertions(+), 322 deletions(-) create mode 100644 board/toradex/verdin-imx8mp/lpddr4_timing.h
diff --git a/board/toradex/verdin-imx8mp/lpddr4_timing.c b/board/toradex/verdin-imx8mp/lpddr4_timing.c index 4f0bbe6ce16..29ea31e1461 100644 --- a/board/toradex/verdin-imx8mp/lpddr4_timing.c +++ b/board/toradex/verdin-imx8mp/lpddr4_timing.c @@ -13,6 +13,33 @@
#include <linux/kernel.h> #include <asm/arch/ddr.h> +#include "lpddr4_timing.h" + +struct dram_cfg_param ddr_ddrc_cfg_single_rank_patch[] = { + { 0x3d400000, 0xa1080020}, + { 0x3d400200, 0x1f}, + { 0x3d40021c, 0xf07} +}; + +struct dram_cfg_param ddr_fsp0_cfg_single_rank_patch[] = { + { 0x54012, 0x110}, + { 0x5402c, 0x1} +}; + +struct dram_cfg_param ddr_fsp1_cfg_single_rank_patch[] = { + { 0x54012, 0x110}, + { 0x5402c, 0x1} +}; + +struct dram_cfg_param ddr_fsp2_cfg_single_rank_patch[] = { + { 0x54012, 0x110}, + { 0x5402c, 0x1} +}; + +struct dram_cfg_param ddr_fsp0_2d_cfg_single_rank_patch[] = { + { 0x54012, 0x110}, + { 0x5402c, 0x1} +};
struct dram_cfg_param ddr_ddrc_cfg[] = { /** Initialize DDRC registers **/ @@ -1835,311 +1862,7 @@ struct dram_fsp_msg ddr_dram_fsp_msg[] = { }, };
-struct dram_cfg_param ddr_ddrc_cfg2[] = { - /** Initialize DDRC registers **/ - { 0x3d400304, 0x1 }, - { 0x3d400030, 0x1 }, - { 0x3d400000, 0xa1080020 }, - { 0x3d400020, 0x1303 }, - { 0x3d400024, 0x1e84800 }, - { 0x3d400064, 0x7a017c }, - { 0x3d400070, 0x7027f90 }, - { 0x3d400074, 0x790 }, - { 0x3d4000d0, 0xc00307a3 }, - { 0x3d4000d4, 0xc50000 }, - { 0x3d4000dc, 0xf4003f }, - { 0x3d4000e0, 0x330000 }, - { 0x3d4000e8, 0x660048 }, - { 0x3d4000ec, 0x160048 }, - { 0x3d400100, 0x2028222a }, - { 0x3d400104, 0x8083f }, - { 0x3d40010c, 0xe0e000 }, - { 0x3d400110, 0x12040a12 }, - { 0x3d400114, 0x2050f0f }, - { 0x3d400118, 0x1010009 }, - { 0x3d40011c, 0x502 }, - { 0x3d400130, 0x20800 }, - { 0x3d400134, 0xe100002 }, - { 0x3d400138, 0x184 }, - { 0x3d400144, 0xc80064 }, - { 0x3d400180, 0x3e8001e }, - { 0x3d400184, 0x3207a12 }, - { 0x3d400188, 0x0 }, - { 0x3d400190, 0x49f820e }, - { 0x3d400194, 0x80303 }, - { 0x3d4001b4, 0x1f0e }, - { 0x3d4001a0, 0xe0400018 }, - { 0x3d4001a4, 0xdf00e4 }, - { 0x3d4001a8, 0x80000000 }, - { 0x3d4001b0, 0x11 }, - { 0x3d4001c0, 0x1 }, - { 0x3d4001c4, 0x1 }, - { 0x3d4000f4, 0x799 }, - { 0x3d400108, 0x9121b1c }, - { 0x3d400200, 0x1f }, - { 0x3d400208, 0x0 }, - { 0x3d40020c, 0x0 }, - { 0x3d400210, 0x1f1f }, - { 0x3d400204, 0x80808 }, - { 0x3d400214, 0x7070707 }, - { 0x3d400218, 0x7070707 }, - { 0x3d40021c, 0xf07 }, - { 0x3d400250, 0x1705 }, - { 0x3d400254, 0x2c }, - { 0x3d40025c, 0x4000030 }, - { 0x3d400264, 0x900093e7 }, - { 0x3d40026c, 0x2005574 }, - { 0x3d400400, 0x111 }, - { 0x3d400404, 0x72ff }, - { 0x3d400408, 0x72ff }, - { 0x3d400494, 0x2100e07 }, - { 0x3d400498, 0x620096 }, - { 0x3d40049c, 0x1100e07 }, - { 0x3d4004a0, 0xc8012c }, - { 0x3d402020, 0x1001 }, - { 0x3d402024, 0x30d400 }, - { 0x3d402050, 0x20d000 }, - { 0x3d402064, 0xc0026 }, - { 0x3d4020dc, 0x840000 }, - { 0x3d4020e0, 0x330000 }, - { 0x3d4020e8, 0x660048 }, - { 0x3d4020ec, 0x160048 }, - { 0x3d402100, 0xa040305 }, - { 0x3d402104, 0x30407 }, - { 0x3d402108, 0x203060b }, - { 0x3d40210c, 0x505000 }, - { 0x3d402110, 0x2040202 }, - { 0x3d402114, 0x2030202 }, - { 0x3d402118, 0x1010004 }, - { 0x3d40211c, 0x302 }, - { 0x3d402130, 0x20300 }, - { 0x3d402134, 0xa100002 }, - { 0x3d402138, 0x27 }, - { 0x3d402144, 0x14000a }, - { 0x3d402180, 0x640004 }, - { 0x3d402190, 0x3818200 }, - { 0x3d402194, 0x80303 }, - { 0x3d4021b4, 0x100 }, - { 0x3d4020f4, 0x599 }, - { 0x3d403020, 0x1001 }, - { 0x3d403024, 0xc3500 }, - { 0x3d403050, 0x20d000 }, - { 0x3d403064, 0x3000a }, - { 0x3d4030dc, 0x840000 }, - { 0x3d4030e0, 0x330000 }, - { 0x3d4030e8, 0x660048 }, - { 0x3d4030ec, 0x160048 }, - { 0x3d403100, 0xa010102 }, - { 0x3d403104, 0x30404 }, - { 0x3d403108, 0x203060b }, - { 0x3d40310c, 0x505000 }, - { 0x3d403110, 0x2040202 }, - { 0x3d403114, 0x2030202 }, - { 0x3d403118, 0x1010004 }, - { 0x3d40311c, 0x302 }, - { 0x3d403130, 0x20300 }, - { 0x3d403134, 0xa100002 }, - { 0x3d403138, 0xa }, - { 0x3d403144, 0x50003 }, - { 0x3d403180, 0x190004 }, - { 0x3d403190, 0x3818200 }, - { 0x3d403194, 0x80303 }, - { 0x3d4031b4, 0x100 }, - { 0x3d4030f4, 0x599 }, - { 0x3d400028, 0x0 }, -}; - -/* P0 message block parameter for training firmware */ -struct dram_cfg_param ddr_fsp0_cfg2[] = { - { 0xd0000, 0x0 }, - { 0x54003, 0xfa0 }, - { 0x54004, 0x2 }, - { 0x54005, 0x2228 }, - { 0x54006, 0x14 }, - { 0x54008, 0x131f }, - { 0x54009, 0xc8 }, - { 0x5400b, 0x2 }, - { 0x5400f, 0x100 }, - { 0x54012, 0x110 }, - { 0x54019, 0x3ff4 }, - { 0x5401a, 0x33 }, - { 0x5401b, 0x4866 }, - { 0x5401c, 0x4800 }, - { 0x5401e, 0x16 }, - { 0x5401f, 0x3ff4 }, - { 0x54020, 0x33 }, - { 0x54021, 0x4866 }, - { 0x54022, 0x4800 }, - { 0x54024, 0x16 }, - { 0x5402b, 0x1000 }, - { 0x5402c, 0x1 }, - { 0x54032, 0xf400 }, - { 0x54033, 0x333f }, - { 0x54034, 0x6600 }, - { 0x54035, 0x48 }, - { 0x54036, 0x48 }, - { 0x54037, 0x1600 }, - { 0x54038, 0xf400 }, - { 0x54039, 0x333f }, - { 0x5403a, 0x6600 }, - { 0x5403b, 0x48 }, - { 0x5403c, 0x48 }, - { 0x5403d, 0x1600 }, - { 0xd0000, 0x1 }, -}; - -/* P1 message block parameter for training firmware */ -struct dram_cfg_param ddr_fsp1_cfg2[] = { - { 0xd0000, 0x0 }, - { 0x54002, 0x101 }, - { 0x54003, 0x190 }, - { 0x54004, 0x2 }, - { 0x54005, 0x2228 }, - { 0x54006, 0x14 }, - { 0x54008, 0x121f }, - { 0x54009, 0xc8 }, - { 0x5400b, 0x2 }, - { 0x5400f, 0x100 }, - { 0x54012, 0x110 }, - { 0x54019, 0x84 }, - { 0x5401a, 0x33 }, - { 0x5401b, 0x4866 }, - { 0x5401c, 0x4800 }, - { 0x5401e, 0x16 }, - { 0x5401f, 0x84 }, - { 0x54020, 0x33 }, - { 0x54021, 0x4866 }, - { 0x54022, 0x4800 }, - { 0x54024, 0x16 }, - { 0x5402b, 0x1000 }, - { 0x5402c, 0x1 }, - { 0x54032, 0x8400 }, - { 0x54033, 0x3300 }, - { 0x54034, 0x6600 }, - { 0x54035, 0x48 }, - { 0x54036, 0x48 }, - { 0x54037, 0x1600 }, - { 0x54038, 0x8400 }, - { 0x54039, 0x3300 }, - { 0x5403a, 0x6600 }, - { 0x5403b, 0x48 }, - { 0x5403c, 0x48 }, - { 0x5403d, 0x1600 }, - { 0xd0000, 0x1 }, -}; - -/* P2 message block parameter for training firmware */ -struct dram_cfg_param ddr_fsp2_cfg2[] = { - { 0xd0000, 0x0 }, - { 0x54002, 0x102 }, - { 0x54003, 0x64 }, - { 0x54004, 0x2 }, - { 0x54005, 0x2228 }, - { 0x54006, 0x14 }, - { 0x54008, 0x121f }, - { 0x54009, 0xc8 }, - { 0x5400b, 0x2 }, - { 0x5400f, 0x100 }, - { 0x54012, 0x110 }, - { 0x54019, 0x84 }, - { 0x5401a, 0x33 }, - { 0x5401b, 0x4866 }, - { 0x5401c, 0x4800 }, - { 0x5401e, 0x16 }, - { 0x5401f, 0x84 }, - { 0x54020, 0x33 }, - { 0x54021, 0x4866 }, - { 0x54022, 0x4800 }, - { 0x54024, 0x16 }, - { 0x5402b, 0x1000 }, - { 0x5402c, 0x1 }, - { 0x54032, 0x8400 }, - { 0x54033, 0x3300 }, - { 0x54034, 0x6600 }, - { 0x54035, 0x48 }, - { 0x54036, 0x48 }, - { 0x54037, 0x1600 }, - { 0x54038, 0x8400 }, - { 0x54039, 0x3300 }, - { 0x5403a, 0x6600 }, - { 0x5403b, 0x48 }, - { 0x5403c, 0x48 }, - { 0x5403d, 0x1600 }, - { 0xd0000, 0x1 }, -}; - -/* P0 2D message block parameter for training firmware */ -struct dram_cfg_param ddr_fsp0_2d_cfg2[] = { - { 0xd0000, 0x0 }, - { 0x54003, 0xfa0 }, - { 0x54004, 0x2 }, - { 0x54005, 0x2228 }, - { 0x54006, 0x14 }, - { 0x54008, 0x61 }, - { 0x54009, 0xc8 }, - { 0x5400b, 0x2 }, - { 0x5400f, 0x100 }, - { 0x54010, 0x1f7f }, - { 0x54012, 0x110 }, - { 0x54019, 0x3ff4 }, - { 0x5401a, 0x33 }, - { 0x5401b, 0x4866 }, - { 0x5401c, 0x4800 }, - { 0x5401e, 0x16 }, - { 0x5401f, 0x3ff4 }, - { 0x54020, 0x33 }, - { 0x54021, 0x4866 }, - { 0x54022, 0x4800 }, - { 0x54024, 0x16 }, - { 0x5402b, 0x1000 }, - { 0x5402c, 0x1 }, - { 0x54032, 0xf400 }, - { 0x54033, 0x333f }, - { 0x54034, 0x6600 }, - { 0x54035, 0x48 }, - { 0x54036, 0x48 }, - { 0x54037, 0x1600 }, - { 0x54038, 0xf400 }, - { 0x54039, 0x333f }, - { 0x5403a, 0x6600 }, - { 0x5403b, 0x48 }, - { 0x5403c, 0x48 }, - { 0x5403d, 0x1600 }, - { 0xd0000, 0x1 }, -}; - -struct dram_fsp_msg ddr_dram_fsp_msg2[] = { - { - /* P0 4000mts 1D */ - .drate = 4000, - .fw_type = FW_1D_IMAGE, - .fsp_cfg = ddr_fsp0_cfg2, - .fsp_cfg_num = ARRAY_SIZE(ddr_fsp0_cfg2), - }, - { - /* P1 400mts 1D */ - .drate = 400, - .fw_type = FW_1D_IMAGE, - .fsp_cfg = ddr_fsp1_cfg2, - .fsp_cfg_num = ARRAY_SIZE(ddr_fsp1_cfg2), - }, - { - /* P2 100mts 1D */ - .drate = 100, - .fw_type = FW_1D_IMAGE, - .fsp_cfg = ddr_fsp2_cfg2, - .fsp_cfg_num = ARRAY_SIZE(ddr_fsp2_cfg2), - }, - { - /* P0 4000mts 2D */ - .drate = 4000, - .fw_type = FW_2D_IMAGE, - .fsp_cfg = ddr_fsp0_2d_cfg2, - .fsp_cfg_num = ARRAY_SIZE(ddr_fsp0_2d_cfg2), - }, -}; - -/* quad die, dual rank aka 8 GB DDR timing config params */ +/* ddr timing config params */ struct dram_timing_info dram_timing = { .ddrc_cfg = ddr_ddrc_cfg, .ddrc_cfg_num = ARRAY_SIZE(ddr_ddrc_cfg), @@ -2154,17 +1877,36 @@ struct dram_timing_info dram_timing = { .fsp_table = { 4000, 400, 100, }, };
-/* dual die, single rank aka 1 GB (untested), 2 GB or 4 GB DDR timing config params */ -struct dram_timing_info dram_timing2 = { - .ddrc_cfg = ddr_ddrc_cfg2, - .ddrc_cfg_num = ARRAY_SIZE(ddr_ddrc_cfg2), - .ddrphy_cfg = ddr_ddrphy_cfg, - .ddrphy_cfg_num = ARRAY_SIZE(ddr_ddrphy_cfg), - .fsp_msg = ddr_dram_fsp_msg2, - .fsp_msg_num = ARRAY_SIZE(ddr_dram_fsp_msg2), - .ddrphy_trained_csr = ddr_ddrphy_trained_csr, - .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, }, -}; +static void apply_cfg_patch(struct dram_cfg_param *cfg, int cfg_sz, + struct dram_cfg_param *patch, int patch_sz) +{ + int i, j; + + for (i = 0; i < cfg_sz; i++) + for (j = 0; j < patch_sz; j++) + if (cfg[i].reg == patch[j].reg) + cfg[i].val = patch[j].val; +} + +void lpddr4_single_rank_training_patch(void) +{ + apply_cfg_patch(ddr_ddrc_cfg, ARRAY_SIZE(ddr_ddrc_cfg), + ddr_ddrc_cfg_single_rank_patch, + ARRAY_SIZE(ddr_ddrc_cfg_single_rank_patch)); + + apply_cfg_patch(ddr_fsp0_cfg, ARRAY_SIZE(ddr_fsp0_cfg), + ddr_fsp0_cfg_single_rank_patch, + ARRAY_SIZE(ddr_fsp0_cfg_single_rank_patch)); + + apply_cfg_patch(ddr_fsp1_cfg, ARRAY_SIZE(ddr_fsp1_cfg), + ddr_fsp1_cfg_single_rank_patch, + ARRAY_SIZE(ddr_fsp1_cfg_single_rank_patch)); + + apply_cfg_patch(ddr_fsp2_cfg, ARRAY_SIZE(ddr_fsp2_cfg), + ddr_fsp2_cfg_single_rank_patch, + ARRAY_SIZE(ddr_fsp2_cfg_single_rank_patch)); + + apply_cfg_patch(ddr_fsp0_2d_cfg, ARRAY_SIZE(ddr_fsp0_2d_cfg), + ddr_fsp0_2d_cfg_single_rank_patch, + ARRAY_SIZE(ddr_fsp0_2d_cfg_single_rank_patch)); +} diff --git a/board/toradex/verdin-imx8mp/lpddr4_timing.h b/board/toradex/verdin-imx8mp/lpddr4_timing.h new file mode 100644 index 00000000000..95e74e37baf --- /dev/null +++ b/board/toradex/verdin-imx8mp/lpddr4_timing.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright 2022 Toradex + */ + +#ifndef __LPDDR4_TIMING_H__ +#define __LPDDR4_TIMING_H__ + +void lpddr4_single_rank_training_patch(void); + +#endif /* __LPDDR4_TIMING_H__ */ diff --git a/board/toradex/verdin-imx8mp/spl.c b/board/toradex/verdin-imx8mp/spl.c index 7b383cc0d53..ab5bcbc0929 100644 --- a/board/toradex/verdin-imx8mp/spl.c +++ b/board/toradex/verdin-imx8mp/spl.c @@ -21,8 +21,7 @@ #include <dm/uclass.h> #include <power/pmic.h> #include <power/pca9450.h> - -extern struct dram_timing_info dram_timing2; +#include "lpddr4_timing.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -38,7 +37,8 @@ void spl_dram_init(void) */ if (ddr_init(&dram_timing)) { printf("Dual rank failed, attempting single rank configuration.\n"); - ddr_init(&dram_timing2); + lpddr4_single_rank_training_patch(); + ddr_init(&dram_timing); } }