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author | Wolfgang Denk <wd@denx.de> | 2011-10-04 22:08:13 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2011-10-04 22:08:13 +0200 |
commit | 1fed668b3fb9c35932f58af00ff5539239fa4e1d (patch) | |
tree | eaaaead8ca19924af1823caae040f504be9b6d98 /board/freescale/p1010rdb/ddr.c | |
parent | c52575350fd6e794717f6bee4f81dbb8038fe22e (diff) | |
parent | 6d7b061af153bc5beb633c3bd15348284716a067 (diff) | |
download | u-boot-imx-1fed668b3fb9c35932f58af00ff5539239fa4e1d.zip u-boot-imx-1fed668b3fb9c35932f58af00ff5539239fa4e1d.tar.gz u-boot-imx-1fed668b3fb9c35932f58af00ff5539239fa4e1d.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
* 'master' of git://git.denx.de/u-boot-mpc85xx:
powerpc/p3060: Add SoC related support for P3060 platform
powerpc/85xx: Add support for setting up RAID engine liodns on P5020
powerpc/85xx: Refactor some defines out of corenet_ds.h
fm-eth: Add ability for board code to disable a port
powerpc/mpc8548: Add workaround for erratum NMG_LBC103
powerpc/mpc8548: Add workaround for erratum NMG_DDR120
powerpc/mpc85xxcds: Fix PCI speed
powerpc/mpc8548cds: Fix booting message
powerpc/p4080: Add support for secure boot flow
powerpc/85xx: Add Secure Boot support on P1010RDB for NOR, NAND & SPIFLASH
powerpc/85xx: Add PBL & SECUREBOOT support on P3041/P5020DS boards
powerpc/p2041rdb: remove watch dog related codes
powerpc/p2041rdb: updated description of cpld command
powerpc/p2041rdb: add more ddr frequencies support
powerpc/p2041rdb: set sysclk according to status of physical switch SW1
powerpc/p2041rdb: update cpld reset command according to CPLD 2.0
powerpc/mpc8349emds: Migrate from spd_sdram to unified DDR driver
powerpc/mpc83xx: Migrate from spd_sdram to unified DDR driver
powerpc/mpc8xxx: Add DDR2 to unified DDR driver
powerpc/mpc8xxx: Fix picos_to_mclk() and get_memory_clk_period_ps()
powerpc/mpc8xxx: Add SPD EEPROM address for single controller 2 slots
powerpc/mpc8xxx: Fix DDR code for empty first DIMM slot and enable DQS_en
powerpc/85xx: Refactor P2041RDB to use common p_corenet files
powerpc/85xx: refactor common P-Series CoreNet files for FSL boards
powerpc/85xx: Enable CMD_REGINFO on corenet boards
powerpc/85xx: p2041rdb - Remove unused 'execute' perm in TLB entries
powerpc/85xx: Fix USB protocol definitions for P1020RDB
powerpc/corenet_ds: Use separated speed tables for UDIMM and RDIMM
powerpc/mpc8xxx: Move DDR RCW overriding to common code
powerpc/mpc8xxx: Extend CWL table
powerpc/85xx: Cleanup how SVR_MAJ() is defined on MPC8536
powerpc/85xx: Cleanup extern in corenet_ds board code
powerpc/p2041rdb: Add ethernet support on P2041RDB board
powerpc/85xx: Add networking support to P1023RDS
powerpc/hydra: Add ethernet support on P5020/P3041 DS boards
powerpc/85xx: Add FMan ethernet support to P4080DS
powerpc/85xx: Add support for FMan ethernet in Independent mode
powerpc/mpc8548cds: Cleanup mpc8548cds.c
powerpc/mp: add support for discontiguous cores
powerpc/85xx: corenet_ds - Remove unused 'execute' perm in TLB entries
fdt: Add new fdt_create_phandle helper
fdt: Rename fdt_create_phandle to fdt_set_phandle
powerpc/85xx: Fix compile warnings/errors if CONFIG_SYS_DPAA_FMAN isn't set
fsl_ifc: Add the workaround for erratum IFC A-003399(enabled on P1010)
powerpc/P1010: Add workaround for erratum P1010-A003549 (related to IFC)
fsl_ifc: Add the workaround for erratum IFC-A002769 (enable on P1010)
powerpc/85xx: Expanding the window of CCSRBAR in AS=1 from 4k to 1M
powerpc/85xx: Add NAND/NAND_SPL support to P1010RDB
nand: Freescale Integrated Flash Controller NAND support
powerpc/85xx: Add basic support for P1010RDB
powerpc/85xx: Add support for new P102x/P2020 RDB style boards
powerpc/85xx: relocate CCSR before creating the initial RAM area
powerpc/85xx: introduce and document CONFIG_SYS_CCSRBAR macros
powerpc/85xx: Enable internal USB UTMI PHY on p204x/p3041/p50x0
powerpc/85xx: Add ULPI and UTMI USB Phy support for P1010/P1014
Diffstat (limited to 'board/freescale/p1010rdb/ddr.c')
-rw-r--r-- | board/freescale/p1010rdb/ddr.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/board/freescale/p1010rdb/ddr.c b/board/freescale/p1010rdb/ddr.c new file mode 100644 index 0000000..e5d8423 --- /dev/null +++ b/board/freescale/p1010rdb/ddr.c @@ -0,0 +1,250 @@ +/* + * Copyright 2010-2011 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/mmu.h> +#include <asm/immap_85xx.h> +#include <asm/processor.h> +#include <asm/fsl_ddr_sdram.h> +#include <asm/fsl_ddr_dimm_params.h> +#include <asm/io.h> +#include <asm/fsl_law.h> + +DECLARE_GLOBAL_DATA_PTR; + +#ifndef CONFIG_DDR_RAW_TIMING +#define CONFIG_SYS_DRAM_SIZE 1024 + +fsl_ddr_cfg_regs_t ddr_cfg_regs_800 = { + .cs[0].bnds = CONFIG_SYS_DDR_CS0_BNDS, + .cs[0].config = CONFIG_SYS_DDR_CS0_CONFIG, + .cs[0].config_2 = CONFIG_SYS_DDR_CS0_CONFIG_2, + .timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3_800, + .timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0_800, + .timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_800, + .timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_800, + .ddr_sdram_cfg = CONFIG_SYS_DDR_CONTROL, + .ddr_sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL_2, + .ddr_sdram_mode = CONFIG_SYS_DDR_MODE_1_800, + .ddr_sdram_mode_2 = CONFIG_SYS_DDR_MODE_2_800, + .ddr_sdram_md_cntl = CONFIG_SYS_DDR_MODE_CONTROL, + .ddr_sdram_interval = CONFIG_SYS_DDR_INTERVAL_800, + .ddr_data_init = CONFIG_MEM_INIT_VALUE, + .ddr_sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL_800, + .ddr_init_addr = CONFIG_SYS_DDR_INIT_ADDR, + .ddr_init_ext_addr = CONFIG_SYS_DDR_INIT_EXT_ADDR, + .timing_cfg_4 = CONFIG_SYS_DDR_TIMING_4, + .timing_cfg_5 = CONFIG_SYS_DDR_TIMING_5, + .ddr_zq_cntl = CONFIG_SYS_DDR_ZQ_CONTROL, + .ddr_wrlvl_cntl = CONFIG_SYS_DDR_WRLVL_CONTROL_800, + .ddr_sr_cntr = CONFIG_SYS_DDR_SR_CNTR, + .ddr_sdram_rcw_1 = CONFIG_SYS_DDR_RCW_1, + .ddr_sdram_rcw_2 = CONFIG_SYS_DDR_RCW_2 +}; + +fsl_ddr_cfg_regs_t ddr_cfg_regs_667 = { + .cs[0].bnds = CONFIG_SYS_DDR_CS0_BNDS, + .cs[0].config = CONFIG_SYS_DDR_CS0_CONFIG, + .cs[0].config_2 = CONFIG_SYS_DDR_CS0_CONFIG_2, + .timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3_667, + .timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0_667, + .timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_667, + .timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_667, + .ddr_sdram_cfg = CONFIG_SYS_DDR_CONTROL, + .ddr_sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL_2, + .ddr_sdram_mode = CONFIG_SYS_DDR_MODE_1_667, + .ddr_sdram_mode_2 = CONFIG_SYS_DDR_MODE_2_667, + .ddr_sdram_md_cntl = CONFIG_SYS_DDR_MODE_CONTROL, + .ddr_sdram_interval = CONFIG_SYS_DDR_INTERVAL_667, + .ddr_data_init = CONFIG_MEM_INIT_VALUE, + .ddr_sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL_667, + .ddr_init_addr = CONFIG_SYS_DDR_INIT_ADDR, + .ddr_init_ext_addr = CONFIG_SYS_DDR_INIT_EXT_ADDR, + .timing_cfg_4 = CONFIG_SYS_DDR_TIMING_4, + .timing_cfg_5 = CONFIG_SYS_DDR_TIMING_5, + .ddr_zq_cntl = CONFIG_SYS_DDR_ZQ_CONTROL, + .ddr_wrlvl_cntl = CONFIG_SYS_DDR_WRLVL_CONTROL_667, + .ddr_sr_cntr = CONFIG_SYS_DDR_SR_CNTR, + .ddr_sdram_rcw_1 = CONFIG_SYS_DDR_RCW_1, + .ddr_sdram_rcw_2 = CONFIG_SYS_DDR_RCW_2 +}; + +fixed_ddr_parm_t fixed_ddr_parm_0[] = { + {750, 850, &ddr_cfg_regs_800}, + {607, 749, &ddr_cfg_regs_667}, + {0, 0, NULL} +}; + +unsigned long get_sdram_size(void) +{ + struct cpu_type *cpu; + phys_size_t ddr_size; + + cpu = gd->cpu; + /* P1014 and it's derivatives support max 16it DDR width */ + if (cpu->soc_ver == SVR_P1014 || cpu->soc_ver == SVR_P1014_E) + ddr_size = (CONFIG_SYS_DRAM_SIZE / 2); + else + ddr_size = CONFIG_SYS_DRAM_SIZE; + + return ddr_size; +} + +/* + * Fixed sdram init -- doesn't use serial presence detect. + */ +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; + struct cpu_type *cpu; + +#if defined(CONFIG_SYS_RAMBOOT) + return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; +#endif + + 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)); + + cpu = gd->cpu; + /* P1014 and it's derivatives support max 16bit DDR width */ + if (cpu->soc_ver == SVR_P1014 || cpu->soc_ver == SVR_P1014_E) { + ddr_cfg_regs.ddr_sdram_cfg |= SDRAM_CFG_16_BE; + ddr_cfg_regs.cs[0].bnds = CONFIG_SYS_DDR_CS0_BNDS >> 1; + ddr_cfg_regs.ddr_sdram_cfg &= ~0x00180000; + ddr_cfg_regs.ddr_sdram_cfg |= 0x001080000; + } + + ddr_size = (phys_size_t) CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; + fsl_ddr_set_memctl_regs(&ddr_cfg_regs, 0); + + if (set_ddr_laws(CONFIG_SYS_DDR_SDRAM_BASE, ddr_size, + LAW_TRGT_IF_DDR_1) < 0) { + printf("ERROR setting Local Access Windows for DDR\n"); + return 0; + } + + return ddr_size; +} + +#else /* CONFIG_DDR_RAW_TIMING */ +/* + * Samsung K4B2G0846C-HCF8 + * The following timing are for "downshift" + * i.e. to use CL9 part as CL7 + * otherwise, tAA, tRCD, tRP will be 13500ps + * and tRC will be 49500ps + */ +dimm_params_t ddr_raw_timing = { + .n_ranks = 1, + .rank_density = 1073741824u, + .capacity = 1073741824u, + .primary_sdram_width = 32, + .ec_sdram_width = 0, + .registered_dimm = 0, + .mirrored_dimm = 0, + .n_row_addr = 15, + .n_col_addr = 10, + .n_banks_per_sdram_device = 8, + .edc_config = 0, + .burst_lengths_bitmask = 0x0c, + + .tCKmin_X_ps = 1875, + .caslat_X = 0x1e << 4, /* 5,6,7,8 */ + .tAA_ps = 13125, + .tWR_ps = 15000, + .tRCD_ps = 13125, + .tRRD_ps = 7500, + .tRP_ps = 13125, + .tRAS_ps = 37500, + .tRC_ps = 50625, + .tRFC_ps = 160000, + .tWTR_ps = 7500, + .tRTP_ps = 7500, + .refresh_rate_ps = 7800000, + .tFAW_ps = 37500, +}; + +int fsl_ddr_get_dimm_params(dimm_params_t *pdimm, + unsigned int controller_number, + unsigned int dimm_number) +{ + const char dimm_model[] = "Fixed DDR on board"; + + if ((controller_number == 0) && (dimm_number == 0)) { + memcpy(pdimm, &ddr_raw_timing, sizeof(dimm_params_t)); + memset(pdimm->mpart, 0, sizeof(pdimm->mpart)); + memcpy(pdimm->mpart, dimm_model, sizeof(dimm_model) - 1); + } + + return 0; +} + +void fsl_ddr_board_options(memctl_options_t *popts, + dimm_params_t *pdimm, + unsigned int ctrl_num) +{ + struct cpu_type *cpu; + int i; + popts->clk_adjust = 6; + popts->cpo_override = 0x1f; + popts->write_data_delay = 2; + popts->half_strength_driver_enable = 1; + /* Write leveling override */ + popts->wrlvl_en = 1; + popts->wrlvl_override = 1; + popts->wrlvl_sample = 0xf; + popts->wrlvl_start = 0x8; + popts->trwt_override = 1; + popts->trwt = 0; + + cpu = gd->cpu; + /* P1014 and it's derivatives support max 16it DDR width */ + if (cpu->soc_ver == SVR_P1014 || cpu->soc_ver == SVR_P1014_E) + popts->data_bus_width = DDR_DATA_BUS_WIDTH_16; + + for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { + popts->cs_local_opts[i].odt_rd_cfg = FSL_DDR_ODT_NEVER; + popts->cs_local_opts[i].odt_wr_cfg = FSL_DDR_ODT_CS; + } +} + +#endif /* CONFIG_DDR_RAW_TIMING */ |