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authorWolfgang Denk <wd@denx.de>2011-10-04 22:08:13 +0200
committerWolfgang Denk <wd@denx.de>2011-10-04 22:08:13 +0200
commit1fed668b3fb9c35932f58af00ff5539239fa4e1d (patch)
treeeaaaead8ca19924af1823caae040f504be9b6d98 /board/freescale/p1010rdb/ddr.c
parentc52575350fd6e794717f6bee4f81dbb8038fe22e (diff)
parent6d7b061af153bc5beb633c3bd15348284716a067 (diff)
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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.c250
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 */