summaryrefslogtreecommitdiff
path: root/board/freescale/p1_p2_rdb_pc/ddr.c
diff options
context:
space:
mode:
authorWolfgang Denk <wd@denx.de>2011-10-04 20:08:13 (GMT)
committerWolfgang Denk <wd@denx.de>2011-10-04 20:08:13 (GMT)
commit1fed668b3fb9c35932f58af00ff5539239fa4e1d (patch)
treeeaaaead8ca19924af1823caae040f504be9b6d98 /board/freescale/p1_p2_rdb_pc/ddr.c
parentc52575350fd6e794717f6bee4f81dbb8038fe22e (diff)
parent6d7b061af153bc5beb633c3bd15348284716a067 (diff)
downloadu-boot-fsl-qoriq-1fed668b3fb9c35932f58af00ff5539239fa4e1d.tar.xz
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/p1_p2_rdb_pc/ddr.c')
-rw-r--r--board/freescale/p1_p2_rdb_pc/ddr.c292
1 files changed, 292 insertions, 0 deletions
diff --git a/board/freescale/p1_p2_rdb_pc/ddr.c b/board/freescale/p1_p2_rdb_pc/ddr.c
new file mode 100644
index 0000000..f0cbde7
--- /dev/null
+++ b/board/freescale/p1_p2_rdb_pc/ddr.c
@@ -0,0 +1,292 @@
+/*
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * Version 2 as published by the Free Software Foundation.
+ */
+
+#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>
+
+#ifdef CONFIG_DDR_RAW_TIMING
+#if defined(CONFIG_P1020RDB_PROTO) || \
+ defined(CONFIG_P1021RDB) || \
+ defined(CONFIG_P1020UTM)
+/* Micron MT41J256M8_187E */
+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 = 1870,
+ .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,
+};
+#elif defined(CONFIG_P2020RDB)
+/* Micron MT41J128M16_15E */
+dimm_params_t ddr_raw_timing = {
+ .n_ranks = 1,
+ .rank_density = 1073741824u,
+ .capacity = 1073741824u,
+ .primary_sdram_width = 64,
+ .ec_sdram_width = 0,
+ .registered_dimm = 0,
+ .mirrored_dimm = 0,
+ .n_row_addr = 14,
+ .n_col_addr = 10,
+ .n_banks_per_sdram_device = 8,
+ .edc_config = 0,
+ .burst_lengths_bitmask = 0x0c,
+
+ .tCKmin_X_ps = 1500,
+ .caslat_X = 0x7e << 4, /* 5,6,7,8,9,10 */
+ .tAA_ps = 13500,
+ .tWR_ps = 15000,
+ .tRCD_ps = 13500,
+ .tRRD_ps = 6000,
+ .tRP_ps = 13500,
+ .tRAS_ps = 36000,
+ .tRC_ps = 49500,
+ .tRFC_ps = 160000,
+ .tWTR_ps = 7500,
+ .tRTP_ps = 7500,
+ .refresh_rate_ps = 7800000,
+ .tFAW_ps = 30000,
+};
+#elif defined(CONFIG_P1020MBG)
+/* Micron MT41J512M8_187E */
+dimm_params_t ddr_raw_timing = {
+ .n_ranks = 2,
+ .rank_density = 1073741824u,
+ .capacity = 2147483648u,
+ .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 = 1870,
+ .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,
+};
+#elif defined(CONFIG_P1020RDB)
+/*
+ * 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,
+};
+#elif defined(CONFIG_P1024RDB) || \
+ defined(CONFIG_P1025RDB)
+/*
+ * Samsung K4B2G0846C-HCH9
+ * 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 = 1500,
+ .caslat_X = 0x3e << 4, /* 5,6,7,8,9 */
+ .tAA_ps = 13125,
+ .tWR_ps = 15000,
+ .tRCD_ps = 13125,
+ .tRRD_ps = 6000,
+ .tRP_ps = 13125,
+ .tRAS_ps = 36000,
+ .tRC_ps = 49125,
+ .tRFC_ps = 160000,
+ .tWTR_ps = 7500,
+ .tRTP_ps = 7500,
+ .refresh_rate_ps = 7800000,
+ .tFAW_ps = 30000,
+};
+#else
+#error Missing raw timing data for this board
+#endif
+
+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;
+}
+#endif /* CONFIG_DDR_RAW_TIMING */
+
+/* Fixed sdram init -- doesn't use serial presence detect. */
+phys_size_t fixed_sdram(void)
+{
+ sys_info_t sysinfo;
+ char buf[32];
+ size_t ddr_size;
+ fsl_ddr_cfg_regs_t ddr_cfg_regs = {
+ .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,
+#if CONFIG_CHIP_SELECTS_PER_CTRL > 1
+ .cs[1].bnds = CONFIG_SYS_DDR_CS1_BNDS,
+ .cs[1].config = CONFIG_SYS_DDR_CS1_CONFIG,
+ .cs[1].config_2 = CONFIG_SYS_DDR_CS1_CONFIG_2,
+#endif
+ .timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3,
+ .timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0,
+ .timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1,
+ .timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2,
+ .ddr_sdram_cfg = CONFIG_SYS_DDR_CONTROL,
+ .ddr_sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL_2,
+ .ddr_sdram_mode = CONFIG_SYS_DDR_MODE_1,
+ .ddr_sdram_mode_2 = CONFIG_SYS_DDR_MODE_2,
+ .ddr_sdram_md_cntl = CONFIG_SYS_DDR_MODE_CONTROL,
+ .ddr_sdram_interval = CONFIG_SYS_DDR_INTERVAL,
+ .ddr_data_init = CONFIG_SYS_DDR_DATA_INIT,
+ .ddr_sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL,
+ .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,
+ .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
+ };
+
+ get_sys_info(&sysinfo);
+ printf("Configuring DDR for %s MT/s data rate\n",
+ strmhz(buf, sysinfo.freqDDRBus));
+
+ ddr_size = 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;
+}
+
+void fsl_ddr_board_options(memctl_options_t *popts,
+ dimm_params_t *pdimm,
+ unsigned int ctrl_num)
+{
+ 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;
+
+ if (pdimm->primary_sdram_width == 64)
+ popts->data_bus_width = 0;
+ else if (pdimm->primary_sdram_width == 32)
+ popts->data_bus_width = 1;
+ else
+ printf("Error in DDR bus width configuration!\n");
+
+ 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;
+ }
+}