This board has soldered DDR chips. To reduce the SPL image size, use static DDR setting instead of dynamic DDR driver.
Signed-off-by: York Sun york.sun@nxp.com
---
Changes in v3: Minor cosmetic fix.
Changes in v2: Drop checking secure boot in this patch after rebasing to latest mater. Recent change in SPL makes the image size bigger.
board/freescale/ls1043ardb/ddr.c | 46 +++++++++++++++++++++++++++ board/freescale/ls1043ardb/ddr.h | 69 ++++++++++++++++++++++++++++++++++++++++ include/configs/ls1043ardb.h | 6 ++-- 3 files changed, 118 insertions(+), 3 deletions(-)
diff --git a/board/freescale/ls1043ardb/ddr.c b/board/freescale/ls1043ardb/ddr.c index 354b864..fc0c1f6 100644 --- a/board/freescale/ls1043ardb/ddr.c +++ b/board/freescale/ls1043ardb/ddr.c @@ -169,18 +169,64 @@ int fsl_ddr_get_dimm_params(dimm_params_t *pdimm,
return 0; } +#else + +phys_size_t fixed_sdram(void) +{ + int i; + char buf[32]; + fsl_ddr_cfg_regs_t ddr_cfg_regs; + phys_size_t ddr_size; + ulong ddr_freq, ddr_freq_mhz; + + ddr_freq = get_ddr_freq(0); + ddr_freq_mhz = ddr_freq / 1000000; + + printf("Configuring DDR for %s MT/s data rate\n", + strmhz(buf, ddr_freq)); + + for (i = 0; fixed_ddr_parm_0[i].max_freq > 0; i++) { + if ((ddr_freq_mhz > fixed_ddr_parm_0[i].min_freq) && + (ddr_freq_mhz <= fixed_ddr_parm_0[i].max_freq)) { + memcpy(&ddr_cfg_regs, + fixed_ddr_parm_0[i].ddr_settings, + sizeof(ddr_cfg_regs)); + break; + } + } + + if (fixed_ddr_parm_0[i].max_freq == 0) + panic("Unsupported DDR data rate %s MT/s data rate\n", + strmhz(buf, ddr_freq)); + + ddr_size = (phys_size_t)2048 * 1024 * 1024; + fsl_ddr_set_memctl_regs(&ddr_cfg_regs, 0, 0); + + return ddr_size; +} #endif
int fsl_initdram(void) { phys_size_t dram_size;
+#ifdef CONFIG_SYS_DDR_RAW_TIMING #if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_SPL) puts("Initializing DDR....\n"); dram_size = fsl_ddr_sdram(); #else dram_size = fsl_ddr_sdram_size(); #endif +#else +#if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_SPL) + puts("Initialzing DDR using fixed setting\n"); + dram_size = fixed_sdram(); +#else + gd->ram_size = 0x80000000; + + return 0; +#endif +#endif erratum_a008850_post();
#ifdef CONFIG_FSL_DEEP_SLEEP diff --git a/board/freescale/ls1043ardb/ddr.h b/board/freescale/ls1043ardb/ddr.h index a77ddf3..6bc0eb6 100644 --- a/board/freescale/ls1043ardb/ddr.h +++ b/board/freescale/ls1043ardb/ddr.h @@ -45,4 +45,73 @@ static const struct board_specific_parameters *udimms[] = { udimm0, };
+#ifndef CONFIG_SYS_DDR_RAW_TIMING +fsl_ddr_cfg_regs_t ddr_cfg_regs_1600 = { + .cs[0].bnds = 0x0000007F, + .cs[1].bnds = 0, + .cs[2].bnds = 0, + .cs[3].bnds = 0, + .cs[0].config = 0x80040322, + .cs[0].config_2 = 0, + .cs[1].config = 0, + .cs[1].config_2 = 0, + .cs[2].config = 0, + .cs[3].config = 0, + .timing_cfg_3 = 0x010C1000, + .timing_cfg_0 = 0x91550018, + .timing_cfg_1 = 0xBBB48C42, + .timing_cfg_2 = 0x0048C111, + .ddr_sdram_cfg = 0xC50C0008, + .ddr_sdram_cfg_2 = 0x00401100, + .ddr_sdram_cfg_3 = 0, + .ddr_sdram_mode = 0x03010210, + .ddr_sdram_mode_2 = 0, + .ddr_sdram_mode_3 = 0x00010210, + .ddr_sdram_mode_4 = 0, + .ddr_sdram_mode_5 = 0x00010210, + .ddr_sdram_mode_6 = 0, + .ddr_sdram_mode_7 = 0x00010210, + .ddr_sdram_mode_8 = 0, + .ddr_sdram_mode_9 = 0x00000500, + .ddr_sdram_mode_10 = 0x04000000, + .ddr_sdram_mode_11 = 0x00000400, + .ddr_sdram_mode_12 = 0x04000000, + .ddr_sdram_mode_13 = 0x00000400, + .ddr_sdram_mode_14 = 0x04000000, + .ddr_sdram_mode_15 = 0x00000400, + .ddr_sdram_mode_16 = 0x04000000, + .ddr_sdram_interval = 0x18600618, + .ddr_data_init = 0xDEADBEEF, + .ddr_sdram_clk_cntl = 0x03000000, + .ddr_init_addr = 0, + .ddr_init_ext_addr = 0, + .timing_cfg_4 = 0x00000002, + .timing_cfg_5 = 0x03401400, + .timing_cfg_6 = 0, + .timing_cfg_7 = 0x13300000, + .timing_cfg_8 = 0x02115600, + .timing_cfg_9 = 0, + .ddr_zq_cntl = 0x8A090705, + .ddr_wrlvl_cntl = 0x8675F607, + .ddr_wrlvl_cntl_2 = 0x07090800, + .ddr_wrlvl_cntl_3 = 0, + .ddr_sr_cntr = 0, + .ddr_sdram_rcw_1 = 0, + .ddr_sdram_rcw_2 = 0, + .ddr_cdr1 = 0x80040000, + .ddr_cdr2 = 0x0000A181, + .dq_map_0 = 0, + .dq_map_1 = 0, + .dq_map_2 = 0, + .dq_map_3 = 0, + .debug[28] = 0x00700046, + +}; + +fixed_ddr_parm_t fixed_ddr_parm_0[] = { + {1550, 1650, &ddr_cfg_regs_1600}, + {0, 0, NULL} +}; + +#endif #endif diff --git a/include/configs/ls1043ardb.h b/include/configs/ls1043ardb.h index ca1d862..da87497 100644 --- a/include/configs/ls1043ardb.h +++ b/include/configs/ls1043ardb.h @@ -28,13 +28,13 @@
#define CONFIG_SYS_SPD_BUS_NUM 0
-#define CONFIG_FSL_DDR_BIST #ifndef CONFIG_SPL -#define CONFIG_FSL_DDR_INTERACTIVE /* Interactive debugging */ -#endif #define CONFIG_SYS_DDR_RAW_TIMING +#define CONFIG_FSL_DDR_INTERACTIVE /* Interactive debugging */ +#define CONFIG_FSL_DDR_BIST #define CONFIG_ECC_INIT_VIA_DDRCONTROLLER #define CONFIG_MEM_INIT_VALUE 0xdeadbeef +#endif
#ifdef CONFIG_RAMBOOT_PBL #define CONFIG_SYS_FSL_PBL_PBI board/freescale/ls1043ardb/ls1043ardb_pbi.cfg