diff options
Diffstat (limited to 'drivers/ddr')
-rw-r--r-- | drivers/ddr/fsl/arm_ddr_gen3.c | 103 | ||||
-rw-r--r-- | drivers/ddr/fsl/ctrl_regs.c | 5 | ||||
-rw-r--r-- | drivers/ddr/fsl/main.c | 17 | ||||
-rw-r--r-- | drivers/ddr/fsl/options.c | 17 | ||||
-rw-r--r-- | drivers/ddr/fsl/util.c | 15 |
5 files changed, 94 insertions, 63 deletions
diff --git a/drivers/ddr/fsl/arm_ddr_gen3.c b/drivers/ddr/fsl/arm_ddr_gen3.c index bf113908fd..d4ed9aec2a 100644 --- a/drivers/ddr/fsl/arm_ddr_gen3.c +++ b/drivers/ddr/fsl/arm_ddr_gen3.c @@ -11,6 +11,7 @@ #include <fsl_ddr_sdram.h> #include <asm/processor.h> #include <fsl_immap.h> +#include <fsl_ddr.h> #if (CONFIG_CHIP_SELECTS_PER_CTRL > 4) #error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL @@ -63,54 +64,54 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, goto step2; if (regs->ddr_eor) - out_be32(&ddr->eor, regs->ddr_eor); + ddr_out32(&ddr->eor, regs->ddr_eor); for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { if (i == 0) { - out_be32(&ddr->cs0_bnds, regs->cs[i].bnds); - out_be32(&ddr->cs0_config, regs->cs[i].config); - out_be32(&ddr->cs0_config_2, regs->cs[i].config_2); + ddr_out32(&ddr->cs0_bnds, regs->cs[i].bnds); + ddr_out32(&ddr->cs0_config, regs->cs[i].config); + ddr_out32(&ddr->cs0_config_2, regs->cs[i].config_2); } else if (i == 1) { - out_be32(&ddr->cs1_bnds, regs->cs[i].bnds); - out_be32(&ddr->cs1_config, regs->cs[i].config); - out_be32(&ddr->cs1_config_2, regs->cs[i].config_2); + ddr_out32(&ddr->cs1_bnds, regs->cs[i].bnds); + ddr_out32(&ddr->cs1_config, regs->cs[i].config); + ddr_out32(&ddr->cs1_config_2, regs->cs[i].config_2); } else if (i == 2) { - out_be32(&ddr->cs2_bnds, regs->cs[i].bnds); - out_be32(&ddr->cs2_config, regs->cs[i].config); - out_be32(&ddr->cs2_config_2, regs->cs[i].config_2); + ddr_out32(&ddr->cs2_bnds, regs->cs[i].bnds); + ddr_out32(&ddr->cs2_config, regs->cs[i].config); + ddr_out32(&ddr->cs2_config_2, regs->cs[i].config_2); } else if (i == 3) { - out_be32(&ddr->cs3_bnds, regs->cs[i].bnds); - out_be32(&ddr->cs3_config, regs->cs[i].config); - out_be32(&ddr->cs3_config_2, regs->cs[i].config_2); + ddr_out32(&ddr->cs3_bnds, regs->cs[i].bnds); + ddr_out32(&ddr->cs3_config, regs->cs[i].config); + ddr_out32(&ddr->cs3_config_2, regs->cs[i].config_2); } } - out_be32(&ddr->timing_cfg_3, regs->timing_cfg_3); - out_be32(&ddr->timing_cfg_0, regs->timing_cfg_0); - out_be32(&ddr->timing_cfg_1, regs->timing_cfg_1); - out_be32(&ddr->timing_cfg_2, regs->timing_cfg_2); - out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); - out_be32(&ddr->sdram_mode, regs->ddr_sdram_mode); - out_be32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2); - out_be32(&ddr->sdram_mode_3, regs->ddr_sdram_mode_3); - out_be32(&ddr->sdram_mode_4, regs->ddr_sdram_mode_4); - out_be32(&ddr->sdram_mode_5, regs->ddr_sdram_mode_5); - out_be32(&ddr->sdram_mode_6, regs->ddr_sdram_mode_6); - out_be32(&ddr->sdram_mode_7, regs->ddr_sdram_mode_7); - out_be32(&ddr->sdram_mode_8, regs->ddr_sdram_mode_8); - out_be32(&ddr->sdram_md_cntl, regs->ddr_sdram_md_cntl); - out_be32(&ddr->sdram_interval, regs->ddr_sdram_interval); - out_be32(&ddr->sdram_data_init, regs->ddr_data_init); - out_be32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl); - out_be32(&ddr->init_addr, regs->ddr_init_addr); - out_be32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); - - out_be32(&ddr->timing_cfg_4, regs->timing_cfg_4); - out_be32(&ddr->timing_cfg_5, regs->timing_cfg_5); - out_be32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl); - out_be32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl); + ddr_out32(&ddr->timing_cfg_3, regs->timing_cfg_3); + ddr_out32(&ddr->timing_cfg_0, regs->timing_cfg_0); + ddr_out32(&ddr->timing_cfg_1, regs->timing_cfg_1); + ddr_out32(&ddr->timing_cfg_2, regs->timing_cfg_2); + ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); + ddr_out32(&ddr->sdram_mode, regs->ddr_sdram_mode); + ddr_out32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2); + ddr_out32(&ddr->sdram_mode_3, regs->ddr_sdram_mode_3); + ddr_out32(&ddr->sdram_mode_4, regs->ddr_sdram_mode_4); + ddr_out32(&ddr->sdram_mode_5, regs->ddr_sdram_mode_5); + ddr_out32(&ddr->sdram_mode_6, regs->ddr_sdram_mode_6); + ddr_out32(&ddr->sdram_mode_7, regs->ddr_sdram_mode_7); + ddr_out32(&ddr->sdram_mode_8, regs->ddr_sdram_mode_8); + ddr_out32(&ddr->sdram_md_cntl, regs->ddr_sdram_md_cntl); + ddr_out32(&ddr->sdram_interval, regs->ddr_sdram_interval); + ddr_out32(&ddr->sdram_data_init, regs->ddr_data_init); + ddr_out32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl); + ddr_out32(&ddr->init_addr, regs->ddr_init_addr); + ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); + + ddr_out32(&ddr->timing_cfg_4, regs->timing_cfg_4); + ddr_out32(&ddr->timing_cfg_5, regs->timing_cfg_5); + ddr_out32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl); + ddr_out32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl); #ifndef CONFIG_SYS_FSL_DDR_EMU /* * Skip these two registers if running on emulator @@ -118,23 +119,23 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, */ if (regs->ddr_wrlvl_cntl_2) - out_be32(&ddr->ddr_wrlvl_cntl_2, regs->ddr_wrlvl_cntl_2); + ddr_out32(&ddr->ddr_wrlvl_cntl_2, regs->ddr_wrlvl_cntl_2); if (regs->ddr_wrlvl_cntl_3) - out_be32(&ddr->ddr_wrlvl_cntl_3, regs->ddr_wrlvl_cntl_3); + ddr_out32(&ddr->ddr_wrlvl_cntl_3, regs->ddr_wrlvl_cntl_3); #endif - out_be32(&ddr->ddr_sr_cntr, regs->ddr_sr_cntr); - out_be32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1); - out_be32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2); - out_be32(&ddr->ddr_cdr1, regs->ddr_cdr1); - out_be32(&ddr->ddr_cdr2, regs->ddr_cdr2); - out_be32(&ddr->err_disable, regs->err_disable); - out_be32(&ddr->err_int_en, regs->err_int_en); + ddr_out32(&ddr->ddr_sr_cntr, regs->ddr_sr_cntr); + ddr_out32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1); + ddr_out32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2); + ddr_out32(&ddr->ddr_cdr1, regs->ddr_cdr1); + ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2); + ddr_out32(&ddr->err_disable, regs->err_disable); + ddr_out32(&ddr->err_int_en, regs->err_int_en); for (i = 0; i < 32; i++) { if (regs->debug[i]) { debug("Write to debug_%d as %08x\n", i + 1, regs->debug[i]); - out_be32(&ddr->debug[i], regs->debug[i]); + ddr_out32(&ddr->debug[i], regs->debug[i]); } } @@ -155,7 +156,7 @@ step2: /* Set, but do not enable the memory */ temp_sdram_cfg = regs->ddr_sdram_cfg; temp_sdram_cfg &= ~(SDRAM_CFG_MEM_EN); - out_be32(&ddr->sdram_cfg, temp_sdram_cfg); + ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg); /* * 500 painful micro-seconds must elapse between @@ -167,8 +168,8 @@ step2: asm volatile("dsb sy;isb"); /* Let the controller go */ - temp_sdram_cfg = in_be32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; - out_be32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN); + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; + ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN); asm volatile("dsb sy;isb"); total_gb_size_per_controller = 0; @@ -202,7 +203,7 @@ step2: debug("Need to wait up to %d * 10ms\n", timeout); /* Poll DDR_SDRAM_CFG_2[D_INIT] bit until auto-data init is done. */ - while ((in_be32(&ddr->sdram_cfg_2) & SDRAM_CFG2_D_INIT) && + while ((ddr_in32(&ddr->sdram_cfg_2) & SDRAM_CFG2_D_INIT) && (timeout >= 0)) { udelay(10000); /* throttle polling rate */ timeout--; diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c index 6bf22cfbd6..0882932b07 100644 --- a/drivers/ddr/fsl/ctrl_regs.c +++ b/drivers/ddr/fsl/ctrl_regs.c @@ -25,8 +25,8 @@ static u32 fsl_ddr_get_version(void) u32 ver_major_minor_errata; ddr = (void *)_DDR_ADDR; - ver_major_minor_errata = (in_be32(&ddr->ip_rev1) & 0xFFFF) << 8; - ver_major_minor_errata |= (in_be32(&ddr->ip_rev2) & 0xFF00) >> 8; + ver_major_minor_errata = (ddr_in32(&ddr->ip_rev1) & 0xFFFF) << 8; + ver_major_minor_errata |= (ddr_in32(&ddr->ip_rev2) & 0xFF00) >> 8; return ver_major_minor_errata; } @@ -145,6 +145,7 @@ static void set_csn_config(int dimm_number, int i, fsl_ddr_cfg_regs_t *ddr, if (!popts->memctl_interleaving) break; switch (popts->memctl_interleaving_mode) { + case FSL_DDR_256B_INTERLEAVING: case FSL_DDR_CACHE_LINE_INTERLEAVING: case FSL_DDR_PAGE_INTERLEAVING: case FSL_DDR_BANK_INTERLEAVING: diff --git a/drivers/ddr/fsl/main.c b/drivers/ddr/fsl/main.c index d0cd58925c..d62ca63c77 100644 --- a/drivers/ddr/fsl/main.c +++ b/drivers/ddr/fsl/main.c @@ -17,6 +17,18 @@ #include <fsl_ddr_sdram.h> #include <fsl_ddr.h> +/* + * CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY is the physical address from the view + * of DDR controllers. It is the same as CONFIG_SYS_DDR_SDRAM_BASE for + * all Power SoCs. But it could be different for ARM SoCs. For example, + * fsl_lsch3 has a mapping mechanism to map DDR memory to ranges (in order) of + * 0x00_8000_0000 ~ 0x00_ffff_ffff + * 0x80_8000_0000 ~ 0xff_ffff_ffff + */ +#ifndef CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY +#define CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY CONFIG_SYS_DDR_SDRAM_BASE +#endif + #ifdef CONFIG_PPC #include <asm/fsl_law.h> @@ -255,7 +267,7 @@ static unsigned long long __step_assign_addresses(fsl_ddr_info_t *pinfo, debug("dbw_cap_adj[%d]=%d\n", i, dbw_cap_adj[i]); } - current_mem_base = CONFIG_SYS_DDR_SDRAM_BASE; + current_mem_base = CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY; total_mem = 0; if (pinfo->memctl_opts[0].memctl_interleaving) { rank_density = pinfo->dimm_params[0][0].rank_density >> @@ -279,6 +291,7 @@ static unsigned long long __step_assign_addresses(fsl_ddr_info_t *pinfo, for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { if (pinfo->memctl_opts[i].memctl_interleaving) { switch (pinfo->memctl_opts[i].memctl_interleaving_mode) { + case FSL_DDR_256B_INTERLEAVING: case FSL_DDR_CACHE_LINE_INTERLEAVING: case FSL_DDR_PAGE_INTERLEAVING: case FSL_DDR_BANK_INTERLEAVING: @@ -536,7 +549,7 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step, } total_mem = 1 + (((unsigned long long)max_end << 24ULL) | - 0xFFFFFFULL) - CONFIG_SYS_DDR_SDRAM_BASE; + 0xFFFFFFULL) - CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY; } return total_mem; diff --git a/drivers/ddr/fsl/options.c b/drivers/ddr/fsl/options.c index 4aafcceaf5..b0cf046fdc 100644 --- a/drivers/ddr/fsl/options.c +++ b/drivers/ddr/fsl/options.c @@ -818,21 +818,33 @@ unsigned int populate_memctl_options(int all_dimms_registered, * If memory controller interleaving is enabled, then the data * bus widths must be programmed identically for all memory controllers. * - * XXX: Attempt to set all controllers to the same chip select + * Attempt to set all controllers to the same chip select * interleaving mode. It will do a best effort to get the * requested ranks interleaved together such that the result * should be a subset of the requested configuration. + * + * if CONFIG_SYS_FSL_DDR_INTLV_256B is defined, mandatory interleaving + * with 256 Byte is enabled. */ #if (CONFIG_NUM_DDR_CONTROLLERS > 1) if (!hwconfig_sub_f("fsl_ddr", "ctlr_intlv", buf)) +#ifdef CONFIG_SYS_FSL_DDR_INTLV_256B + ; +#else goto done; - +#endif if (pdimm[0].n_ranks == 0) { printf("There is no rank on CS0 for controller %d.\n", ctrl_num); popts->memctl_interleaving = 0; goto done; } popts->memctl_interleaving = 1; +#ifdef CONFIG_SYS_FSL_DDR_INTLV_256B + popts->memctl_interleaving_mode = FSL_DDR_256B_INTERLEAVING; + popts->memctl_interleaving = 1; + debug("256 Byte interleaving\n"); + goto done; +#endif /* * test null first. if CONFIG_HWCONFIG is not defined * hwconfig_arg_cmp returns non-zero @@ -1085,6 +1097,7 @@ void check_interleaving_options(fsl_ddr_info_t *pinfo) "Memory controller interleaving disabled.\n"); } else { switch (check_intlv) { + case FSL_DDR_256B_INTERLEAVING: case FSL_DDR_CACHE_LINE_INTERLEAVING: case FSL_DDR_PAGE_INTERLEAVING: case FSL_DDR_BANK_INTERLEAVING: diff --git a/drivers/ddr/fsl/util.c b/drivers/ddr/fsl/util.c index 0658261d8d..ad53658fc9 100644 --- a/drivers/ddr/fsl/util.c +++ b/drivers/ddr/fsl/util.c @@ -146,21 +146,21 @@ void board_add_ram_info(int use_default) u32 *mcintl3r = (void *) (CONFIG_SYS_IMMR + 0x18004); #endif #if (CONFIG_NUM_DDR_CONTROLLERS > 1) - uint32_t cs0_config = in_be32(&ddr->cs0_config); + uint32_t cs0_config = ddr_in32(&ddr->cs0_config); #endif - uint32_t sdram_cfg = in_be32(&ddr->sdram_cfg); + uint32_t sdram_cfg = ddr_in32(&ddr->sdram_cfg); int cas_lat; #if CONFIG_NUM_DDR_CONTROLLERS >= 2 if (!(sdram_cfg & SDRAM_CFG_MEM_EN)) { ddr = (void __iomem *)CONFIG_SYS_FSL_DDR2_ADDR; - sdram_cfg = in_be32(&ddr->sdram_cfg); + sdram_cfg = ddr_in32(&ddr->sdram_cfg); } #endif #if CONFIG_NUM_DDR_CONTROLLERS >= 3 if (!(sdram_cfg & SDRAM_CFG_MEM_EN)) { ddr = (void __iomem *)CONFIG_SYS_FSL_DDR3_ADDR; - sdram_cfg = in_be32(&ddr->sdram_cfg); + sdram_cfg = ddr_in32(&ddr->sdram_cfg); } #endif puts(" (DDR"); @@ -188,8 +188,8 @@ void board_add_ram_info(int use_default) puts(", 64-bit"); /* Calculate CAS latency based on timing cfg values */ - cas_lat = ((in_be32(&ddr->timing_cfg_1) >> 16) & 0xf) + 1; - if ((in_be32(&ddr->timing_cfg_3) >> 12) & 1) + cas_lat = ((ddr_in32(&ddr->timing_cfg_1) >> 16) & 0xf) + 1; + if ((ddr_in32(&ddr->timing_cfg_3) >> 12) & 1) cas_lat += (8 << 1); printf(", CL=%d", cas_lat >> 1); if (cas_lat & 0x1) @@ -228,6 +228,9 @@ void board_add_ram_info(int use_default) puts(" DDR Controller Interleaving Mode: "); switch ((cs0_config >> 24) & 0xf) { + case FSL_DDR_256B_INTERLEAVING: + puts("256B"); + break; case FSL_DDR_CACHE_LINE_INTERLEAVING: puts("cache line"); break; |