diff options
Diffstat (limited to 'arch/powerpc/include/asm/fsl_ddr_sdram.h')
| -rw-r--r-- | arch/powerpc/include/asm/fsl_ddr_sdram.h | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/arch/powerpc/include/asm/fsl_ddr_sdram.h b/arch/powerpc/include/asm/fsl_ddr_sdram.h deleted file mode 100644 index 2c3c514ba..000000000 --- a/arch/powerpc/include/asm/fsl_ddr_sdram.h +++ /dev/null @@ -1,377 +0,0 @@ -/* - * Copyright 2008-2011 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. - */ - -#ifndef FSL_DDR_MEMCTL_H -#define FSL_DDR_MEMCTL_H - -/* - * Pick a basic DDR Technology. - */ -#include <ddr_spd.h> - -#define SDRAM_TYPE_DDR1 2 -#define SDRAM_TYPE_DDR2 3 -#define SDRAM_TYPE_LPDDR1 6 -#define SDRAM_TYPE_DDR3 7 - -#define DDR_BL4 4 /* burst length 4 */ -#define DDR_BC4 DDR_BL4 /* burst chop for ddr3 */ -#define DDR_OTF 6 /* on-the-fly BC4 and BL8 */ -#define DDR_BL8 8 /* burst length 8 */ - -#define DDR3_RTT_OFF 0 -#define DDR3_RTT_60_OHM 1 /* RTT_Nom = RZQ/4 */ -#define DDR3_RTT_120_OHM 2 /* RTT_Nom = RZQ/2 */ -#define DDR3_RTT_40_OHM 3 /* RTT_Nom = RZQ/6 */ -#define DDR3_RTT_20_OHM 4 /* RTT_Nom = RZQ/12 */ -#define DDR3_RTT_30_OHM 5 /* RTT_Nom = RZQ/8 */ - -#define DDR2_RTT_OFF 0 -#define DDR2_RTT_75_OHM 1 -#define DDR2_RTT_150_OHM 2 -#define DDR2_RTT_50_OHM 3 - -#if defined(CONFIG_FSL_DDR1) -#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (1) -typedef ddr1_spd_eeprom_t generic_spd_eeprom_t; -#ifndef CONFIG_FSL_SDRAM_TYPE -#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR1 -#endif -#elif defined(CONFIG_FSL_DDR2) -#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (3) -typedef ddr2_spd_eeprom_t generic_spd_eeprom_t; -#ifndef CONFIG_FSL_SDRAM_TYPE -#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR2 -#endif -#elif defined(CONFIG_FSL_DDR3) -#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (3) /* FIXME */ -typedef ddr3_spd_eeprom_t generic_spd_eeprom_t; -#ifndef CONFIG_FSL_SDRAM_TYPE -#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR3 -#endif -#endif /* #if defined(CONFIG_FSL_DDR1) */ - -#define FSL_DDR_ODT_NEVER 0x0 -#define FSL_DDR_ODT_CS 0x1 -#define FSL_DDR_ODT_ALL_OTHER_CS 0x2 -#define FSL_DDR_ODT_OTHER_DIMM 0x3 -#define FSL_DDR_ODT_ALL 0x4 -#define FSL_DDR_ODT_SAME_DIMM 0x5 -#define FSL_DDR_ODT_CS_AND_OTHER_DIMM 0x6 -#define FSL_DDR_ODT_OTHER_CS_ONSAMEDIMM 0x7 - -/* define bank(chip select) interleaving mode */ -#define FSL_DDR_CS0_CS1 0x40 -#define FSL_DDR_CS2_CS3 0x20 -#define FSL_DDR_CS0_CS1_AND_CS2_CS3 (FSL_DDR_CS0_CS1 | FSL_DDR_CS2_CS3) -#define FSL_DDR_CS0_CS1_CS2_CS3 (FSL_DDR_CS0_CS1_AND_CS2_CS3 | 0x04) - -/* define memory controller interleaving mode */ -#define FSL_DDR_CACHE_LINE_INTERLEAVING 0x0 -#define FSL_DDR_PAGE_INTERLEAVING 0x1 -#define FSL_DDR_BANK_INTERLEAVING 0x2 -#define FSL_DDR_SUPERBANK_INTERLEAVING 0x3 -#define FSL_DDR_3WAY_1KB_INTERLEAVING 0xA -#define FSL_DDR_3WAY_4KB_INTERLEAVING 0xC -#define FSL_DDR_3WAY_8KB_INTERLEAVING 0xD -/* placeholder for 4-way interleaving */ -#define FSL_DDR_4WAY_1KB_INTERLEAVING 0x1A -#define FSL_DDR_4WAY_4KB_INTERLEAVING 0x1C -#define FSL_DDR_4WAY_8KB_INTERLEAVING 0x1D - -#define SDRAM_CS_CONFIG_EN 0x80000000 - -/* DDR_SDRAM_CFG - DDR SDRAM Control Configuration - */ -#define SDRAM_CFG_MEM_EN 0x80000000 -#define SDRAM_CFG_SREN 0x40000000 -#define SDRAM_CFG_ECC_EN 0x20000000 -#define SDRAM_CFG_RD_EN 0x10000000 -#define SDRAM_CFG_SDRAM_TYPE_DDR1 0x02000000 -#define SDRAM_CFG_SDRAM_TYPE_DDR2 0x03000000 -#define SDRAM_CFG_SDRAM_TYPE_MASK 0x07000000 -#define SDRAM_CFG_SDRAM_TYPE_SHIFT 24 -#define SDRAM_CFG_DYN_PWR 0x00200000 -#define SDRAM_CFG_DBW_MASK 0x00180000 -#define SDRAM_CFG_DBW_SHIFT 19 -#define SDRAM_CFG_32_BE 0x00080000 -#define SDRAM_CFG_16_BE 0x00100000 -#define SDRAM_CFG_8_BE 0x00040000 -#define SDRAM_CFG_NCAP 0x00020000 -#define SDRAM_CFG_2T_EN 0x00008000 -#define SDRAM_CFG_BI 0x00000001 - -#define SDRAM_CFG2_D_INIT 0x00000010 -#define SDRAM_CFG2_ODT_CFG_MASK 0x00600000 -#define SDRAM_CFG2_ODT_NEVER 0 -#define SDRAM_CFG2_ODT_ONLY_WRITE 1 -#define SDRAM_CFG2_ODT_ONLY_READ 2 -#define SDRAM_CFG2_ODT_ALWAYS 3 - -#define TIMING_CFG_2_CPO_MASK 0x0F800000 - -#if defined(CONFIG_P4080) -#define RD_TO_PRE_MASK 0xf -#define RD_TO_PRE_SHIFT 13 -#define WR_DATA_DELAY_MASK 0xf -#define WR_DATA_DELAY_SHIFT 9 -#else -#define RD_TO_PRE_MASK 0x7 -#define RD_TO_PRE_SHIFT 13 -#define WR_DATA_DELAY_MASK 0x7 -#define WR_DATA_DELAY_SHIFT 10 -#endif - -/* DDR_MD_CNTL */ -#define MD_CNTL_MD_EN 0x80000000 -#define MD_CNTL_CS_SEL_CS0 0x00000000 -#define MD_CNTL_CS_SEL_CS1 0x10000000 -#define MD_CNTL_CS_SEL_CS2 0x20000000 -#define MD_CNTL_CS_SEL_CS3 0x30000000 -#define MD_CNTL_CS_SEL_CS0_CS1 0x40000000 -#define MD_CNTL_CS_SEL_CS2_CS3 0x50000000 -#define MD_CNTL_MD_SEL_MR 0x00000000 -#define MD_CNTL_MD_SEL_EMR 0x01000000 -#define MD_CNTL_MD_SEL_EMR2 0x02000000 -#define MD_CNTL_MD_SEL_EMR3 0x03000000 -#define MD_CNTL_SET_REF 0x00800000 -#define MD_CNTL_SET_PRE 0x00400000 -#define MD_CNTL_CKE_CNTL_LOW 0x00100000 -#define MD_CNTL_CKE_CNTL_HIGH 0x00200000 -#define MD_CNTL_WRCW 0x00080000 -#define MD_CNTL_MD_VALUE(x) (x & 0x0000FFFF) - -/* DDR_CDR1 */ -#define DDR_CDR1_DHC_EN 0x80000000 -#define DDR_CDR1_ODT_SHIFT 17 -#define DDR_CDR1_ODT_MASK 0x6 -#define DDR_CDR2_ODT_MASK 0x1 -#define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT) -#define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK) - -#if (defined(CONFIG_SYS_FSL_DDR_VER) && \ - (CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7)) -#define DDR_CDR_ODT_OFF 0x0 -#define DDR_CDR_ODT_120ohm 0x1 -#define DDR_CDR_ODT_180ohm 0x2 -#define DDR_CDR_ODT_75ohm 0x3 -#define DDR_CDR_ODT_110ohm 0x4 -#define DDR_CDR_ODT_60hm 0x5 -#define DDR_CDR_ODT_70ohm 0x6 -#define DDR_CDR_ODT_47ohm 0x7 -#else -#define DDR_CDR_ODT_75ohm 0x0 -#define DDR_CDR_ODT_55ohm 0x1 -#define DDR_CDR_ODT_60ohm 0x2 -#define DDR_CDR_ODT_50ohm 0x3 -#define DDR_CDR_ODT_150ohm 0x4 -#define DDR_CDR_ODT_43ohm 0x5 -#define DDR_CDR_ODT_120ohm 0x6 -#endif - -/* Record of register values computed */ -typedef struct fsl_ddr_cfg_regs_s { - struct { - unsigned int bnds; - unsigned int config; - unsigned int config_2; - } cs[CONFIG_CHIP_SELECTS_PER_CTRL]; - unsigned int timing_cfg_3; - unsigned int timing_cfg_0; - unsigned int timing_cfg_1; - unsigned int timing_cfg_2; - unsigned int ddr_sdram_cfg; - unsigned int ddr_sdram_cfg_2; - unsigned int ddr_sdram_mode; - unsigned int ddr_sdram_mode_2; - unsigned int ddr_sdram_mode_3; - unsigned int ddr_sdram_mode_4; - unsigned int ddr_sdram_mode_5; - unsigned int ddr_sdram_mode_6; - unsigned int ddr_sdram_mode_7; - unsigned int ddr_sdram_mode_8; - unsigned int ddr_sdram_md_cntl; - unsigned int ddr_sdram_interval; - unsigned int ddr_data_init; - unsigned int ddr_sdram_clk_cntl; - unsigned int ddr_init_addr; - unsigned int ddr_init_ext_addr; - unsigned int timing_cfg_4; - unsigned int timing_cfg_5; - unsigned int ddr_zq_cntl; - unsigned int ddr_wrlvl_cntl; - unsigned int ddr_wrlvl_cntl_2; - unsigned int ddr_wrlvl_cntl_3; - unsigned int ddr_sr_cntr; - unsigned int ddr_sdram_rcw_1; - unsigned int ddr_sdram_rcw_2; - unsigned int ddr_eor; - unsigned int ddr_cdr1; - unsigned int ddr_cdr2; - unsigned int err_disable; - unsigned int err_int_en; - unsigned int debug[32]; -} fsl_ddr_cfg_regs_t; - -typedef struct memctl_options_partial_s { - unsigned int all_dimms_ecc_capable; - unsigned int all_dimms_tckmax_ps; - unsigned int all_dimms_burst_lengths_bitmask; - unsigned int all_dimms_registered; - unsigned int all_dimms_unbuffered; - /* unsigned int lowest_common_SPD_caslat; */ - unsigned int all_dimms_minimum_trcd_ps; -} memctl_options_partial_t; - -#define DDR_DATA_BUS_WIDTH_64 0 -#define DDR_DATA_BUS_WIDTH_32 1 -#define DDR_DATA_BUS_WIDTH_16 2 -/* - * Generalized parameters for memory controller configuration, - * might be a little specific to the FSL memory controller - */ -typedef struct memctl_options_s { - /* - * Memory organization parameters - * - * if DIMM is present in the system - * where DIMMs are with respect to chip select - * where chip selects are with respect to memory boundaries - */ - unsigned int registered_dimm_en; /* use registered DIMM support */ - - /* Options local to a Chip Select */ - struct cs_local_opts_s { - unsigned int auto_precharge; - unsigned int odt_rd_cfg; - unsigned int odt_wr_cfg; - unsigned int odt_rtt_norm; - unsigned int odt_rtt_wr; - } cs_local_opts[CONFIG_CHIP_SELECTS_PER_CTRL]; - - /* Special configurations for chip select */ - unsigned int memctl_interleaving; - unsigned int memctl_interleaving_mode; - unsigned int ba_intlv_ctl; - unsigned int addr_hash; - - /* Operational mode parameters */ - unsigned int ecc_mode; /* Use ECC? */ - /* Initialize ECC using memory controller? */ - unsigned int ecc_init_using_memctl; - unsigned int dqs_config; /* Use DQS? maybe only with DDR2? */ - /* SREN - self-refresh during sleep */ - unsigned int self_refresh_in_sleep; - unsigned int dynamic_power; /* DYN_PWR */ - /* memory data width to use (16-bit, 32-bit, 64-bit) */ - unsigned int data_bus_width; - unsigned int burst_length; /* BL4, OTF and BL8 */ - /* On-The-Fly Burst Chop enable */ - unsigned int otf_burst_chop_en; - /* mirrior DIMMs for DDR3 */ - unsigned int mirrored_dimm; - unsigned int quad_rank_present; - unsigned int ap_en; /* address parity enable for RDIMM */ - unsigned int x4_en; /* enable x4 devices */ - - /* Global Timing Parameters */ - unsigned int cas_latency_override; - unsigned int cas_latency_override_value; - unsigned int use_derated_caslat; - unsigned int additive_latency_override; - unsigned int additive_latency_override_value; - - unsigned int clk_adjust; /* */ - unsigned int cpo_override; - unsigned int write_data_delay; /* DQS adjust */ - - unsigned int wrlvl_override; - unsigned int wrlvl_sample; /* Write leveling */ - unsigned int wrlvl_start; - unsigned int wrlvl_ctl_2; - unsigned int wrlvl_ctl_3; - - unsigned int half_strength_driver_enable; - unsigned int twot_en; - unsigned int threet_en; - unsigned int bstopre; - unsigned int tcke_clock_pulse_width_ps; /* tCKE */ - unsigned int tfaw_window_four_activates_ps; /* tFAW -- FOUR_ACT */ - - /* Rtt impedance */ - unsigned int rtt_override; /* rtt_override enable */ - unsigned int rtt_override_value; /* that is Rtt_Nom for DDR3 */ - unsigned int rtt_wr_override_value; /* this is Rtt_WR for DDR3 */ - - /* Automatic self refresh */ - unsigned int auto_self_refresh_en; - unsigned int sr_it; - /* ZQ calibration */ - unsigned int zq_en; - /* Write leveling */ - unsigned int wrlvl_en; - /* RCW override for RDIMM */ - unsigned int rcw_override; - unsigned int rcw_1; - unsigned int rcw_2; - /* control register 1 */ - unsigned int ddr_cdr1; - unsigned int ddr_cdr2; - - unsigned int trwt_override; - unsigned int trwt; /* read-to-write turnaround */ -} memctl_options_t; - -extern phys_size_t fsl_ddr_sdram(void); -extern phys_size_t fsl_ddr_sdram_size(void); -extern int fsl_use_spd(void); -extern void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, - unsigned int ctrl_num, int step); -u32 fsl_ddr_get_intl3r(void); - -static void __board_assert_mem_reset(void) -{ -} - -static void __board_deassert_mem_reset(void) -{ -} - -void board_assert_mem_reset(void) - __attribute__((weak, alias("__board_assert_mem_reset"))); - -void board_deassert_mem_reset(void) - __attribute__((weak, alias("__board_deassert_mem_reset"))); - -static int __board_need_mem_reset(void) -{ - return 0; -} - -int board_need_mem_reset(void) - __attribute__((weak, alias("__board_need_mem_reset"))); - -/* - * The 85xx boards have a common prototype for fixed_sdram so put the - * declaration here. - */ -#ifdef CONFIG_MPC85xx -extern phys_size_t fixed_sdram(void); -#endif - -#if defined(CONFIG_DDR_ECC) -extern void ddr_enable_ecc(unsigned int dram_size); -#endif - - -typedef struct fixed_ddr_parm{ - int min_freq; - int max_freq; - fsl_ddr_cfg_regs_t *ddr_settings; -} fixed_ddr_parm_t; -#endif |