| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007-2008 coresystems GmbH |
| * 2012 secunet Security Networks AG |
| * |
| * 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; version 2 of the License. |
| * |
| * 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. |
| */ |
| |
| #ifndef __NORTHBRIDGE_INTEL_GM45_GM45_H__ |
| #define __NORTHBRIDGE_INTEL_GM45_GM45_H__ |
| |
| #include <southbridge/intel/i82801ix/i82801ix.h> |
| |
| #ifndef __ACPI__ |
| |
| #include <stdint.h> |
| |
| typedef enum { |
| FSB_CLOCK_1067MHz = 0, |
| FSB_CLOCK_800MHz = 1, |
| FSB_CLOCK_667MHz = 2, |
| } fsb_clock_t; |
| |
| typedef enum { /* Steppings below B1 were pre-production, |
| conversion stepping A1 is... ? |
| We'll support B1, B2, B3, and conversion stepping A1. */ |
| STEPPING_A0 = 0, |
| STEPPING_A1 = 1, |
| STEPPING_A2 = 2, |
| STEPPING_A3 = 3, |
| STEPPING_B0 = 4, |
| STEPPING_B1 = 5, |
| STEPPING_B2 = 6, |
| STEPPING_B3 = 7, |
| STEPPING_CONVERSION_A1 = 9, |
| } stepping_t; |
| |
| typedef enum { |
| GMCH_GM45 = 0, |
| GMCH_GM47, |
| GMCH_GM49, |
| GMCH_GE45, |
| GMCH_GL40, |
| GMCH_GL43, |
| GMCH_GS40, |
| GMCH_GS45, |
| GMCH_PM45, |
| GMCH_UNKNOWN |
| } gmch_gfx_t; |
| |
| typedef enum { |
| MEM_CLOCK_533MHz = 0, |
| MEM_CLOCK_400MHz = 1, |
| MEM_CLOCK_333MHz = 2, |
| MEM_CLOCK_1067MT = 0, |
| MEM_CLOCK_800MT = 1, |
| MEM_CLOCK_667MT = 2, |
| } mem_clock_t; |
| |
| typedef enum { |
| DDR1 = 1, |
| DDR2 = 2, |
| DDR3 = 3, |
| } ddr_t; |
| |
| typedef enum { |
| CHANNEL_MODE_SINGLE, |
| CHANNEL_MODE_DUAL_ASYNC, |
| CHANNEL_MODE_DUAL_INTERLEAVED, |
| } channel_mode_t; |
| |
| typedef enum { /* as in DDR3 spd */ |
| CHIP_WIDTH_x4 = 0, |
| CHIP_WIDTH_x8 = 1, |
| CHIP_WIDTH_x16 = 2, |
| CHIP_WIDTH_x32 = 3, |
| } chip_width_t; |
| |
| typedef enum { /* as in DDR3 spd */ |
| CHIP_CAP_256M = 0, |
| CHIP_CAP_512M = 1, |
| CHIP_CAP_1G = 2, |
| CHIP_CAP_2G = 3, |
| CHIP_CAP_4G = 4, |
| CHIP_CAP_8G = 5, |
| CHIP_CAP_16G = 6, |
| } chip_capacity_t; |
| |
| typedef struct { |
| unsigned int CAS; |
| fsb_clock_t fsb_clock; |
| mem_clock_t mem_clock; |
| channel_mode_t channel_mode; |
| unsigned int tRAS; |
| unsigned int tRP; |
| unsigned int tRCD; |
| unsigned int tRFC; |
| unsigned int tWR; |
| unsigned int tRD; |
| unsigned int tRRD; |
| unsigned int tFAW; |
| unsigned int tWL; |
| } timings_t; |
| |
| typedef struct { |
| unsigned int card_type; /* 0x0: unpopulated, |
| 0xa - 0xf: raw card type A - F */ |
| chip_width_t chip_width; |
| chip_capacity_t chip_capacity; |
| unsigned int page_size; /* of whole DIMM in Bytes (4096 or 8192) */ |
| unsigned int banks; |
| unsigned int ranks; |
| unsigned int rank_capacity_mb; /* per rank in Megabytes */ |
| } dimminfo_t; |
| |
| /* The setup is one DIMM per channel, so there's no need to find a |
| common timing setup between multiple chips (but chip and controller |
| still need to be coordinated */ |
| typedef struct { |
| stepping_t stepping; |
| int txt_enabled; |
| int cores; |
| gmch_gfx_t gfx_type; |
| int max_ddr2_mhz; |
| int max_ddr3_mt; |
| fsb_clock_t max_fsb; |
| int max_fsb_mhz; |
| int max_render_mhz; |
| int enable_igd; |
| int enable_peg; |
| u16 ggc; |
| |
| /* to be filled in romstage main: */ |
| int spd_type; |
| timings_t selected_timings; |
| dimminfo_t dimms[2]; |
| u8 spd_map[4]; |
| int gs45_low_power_mode; /* low power mode of GMCH_GS45 */ |
| int sff; /* small form factor option (soldered down DIMM) */ |
| } sysinfo_t; |
| #define TOTAL_CHANNELS 2 |
| #define CHANNEL_IS_POPULATED(dimms, idx) (dimms[idx].card_type != 0) |
| #define CHANNEL_IS_CARDF(dimms, idx) (dimms[idx].card_type == 0xf) |
| #define IF_CHANNEL_POPULATED(dimms, idx) if (dimms[idx].card_type != 0) |
| #define FOR_EACH_CHANNEL(idx) \ |
| for (idx = 0; idx < TOTAL_CHANNELS; ++idx) |
| #define FOR_EACH_POPULATED_CHANNEL(dimms, idx) \ |
| FOR_EACH_CHANNEL(idx) IF_CHANNEL_POPULATED(dimms, idx) |
| |
| #define RANKS_PER_CHANNEL 4 /* Only two may be populated */ |
| #define IF_RANK_POPULATED(dimms, ch, r) \ |
| if (dimms[ch].card_type && ((r) < dimms[ch].ranks)) |
| #define FOR_EACH_RANK_IN_CHANNEL(r) \ |
| for (r = 0; r < RANKS_PER_CHANNEL; ++r) |
| #define FOR_EACH_POPULATED_RANK_IN_CHANNEL(dimms, ch, r) \ |
| FOR_EACH_RANK_IN_CHANNEL(r) IF_RANK_POPULATED(dimms, ch, r) |
| #define FOR_EACH_RANK(ch, r) \ |
| FOR_EACH_CHANNEL(ch) FOR_EACH_RANK_IN_CHANNEL(r) |
| #define FOR_EACH_POPULATED_RANK(dimms, ch, r) \ |
| FOR_EACH_RANK(ch, r) IF_RANK_POPULATED(dimms, ch, r) |
| |
| #define DDR3_MAX_CAS 18 |
| |
| enum { |
| VCO_2666 = 4, |
| VCO_3200 = 0, |
| VCO_4000 = 1, |
| VCO_5333 = 2, |
| }; |
| |
| #endif |
| |
| /* Offsets of read/write training results in CMOS. |
| They will be restored upon S3 resumes. */ |
| #define CMOS_READ_TRAINING 0x80 /* 16 bytes */ |
| #define CMOS_WRITE_TRAINING 0x90 /* 16 bytes |
| (could be reduced to 10 bytes) */ |
| |
| |
| #ifndef __ACPI__ |
| #define DEFAULT_MCHBAR ((u8 *)0xfed14000) |
| #define DEFAULT_DMIBAR ((u8 *)0xfed18000) |
| #else |
| #define DEFAULT_MCHBAR 0xfed14000 |
| #define DEFAULT_DMIBAR 0xfed18000 |
| #endif |
| #define DEFAULT_EPBAR 0xfed19000 |
| #define DEFAULT_HECIBAR ((u8 *)0xfed1a000) |
| |
| |
| #define IOMMU_BASE1 0xfed90000 |
| #define IOMMU_BASE2 0xfed91000 |
| #define IOMMU_BASE3 0xfed92000 |
| #define IOMMU_BASE4 0xfed93000 |
| |
| /* |
| * D0:F0 |
| */ |
| #define D0F0_EPBAR_LO 0x40 |
| #define D0F0_EPBAR_HI 0x44 |
| #define D0F0_MCHBAR_LO 0x48 |
| #define D0F0_MCHBAR_HI 0x4c |
| #define D0F0_GGC 0x52 |
| #define D0F0_DEVEN 0x54 |
| #define D0F0_PCIEXBAR_LO 0x60 |
| #define D0F0_PCIEXBAR_HI 0x64 |
| #define D0F0_DMIBAR_LO 0x68 |
| #define D0F0_DMIBAR_HI 0x6c |
| #define D0F0_PMBASE 0x78 |
| #define D0F0_PAM(x) (0x90+(x)) /* 0-6*/ |
| #define D0F0_REMAPBASE 0x98 |
| #define D0F0_REMAPLIMIT 0x9a |
| #define D0F0_SMRAM 0x9d |
| #define D0F0_ESMRAMC 0x9e |
| #define D0F0_TOM 0xa0 |
| #define D0F0_TOUUD 0xa2 |
| #define D0F0_TOLUD 0xb0 |
| #define D0F0_SKPD 0xdc /* Scratchpad Data */ |
| #define D0F0_CAPID0 0xe0 |
| |
| /* |
| * D1:F0 PEG |
| */ |
| #define PEG_CAP 0xa2 |
| #define SLOTCAP 0xb4 |
| #define PEGLC 0xec |
| #define D1F0_VCCAP 0x104 |
| #define D1F0_VC0RCTL 0x114 |
| |
| /* |
| * Graphics frequencies |
| */ |
| #define GCFGC_PCIDEV PCI_DEV(0, 2, 0) |
| #define GCFGC_OFFSET 0xf0 |
| #define GCFGC_CR_SHIFT 0 |
| #define GCFGC_CR_MASK (0xf << GCFGC_CR_SHIFT) |
| #define GCFGC_CS_SHIFT 8 |
| #define GCFGC_CS_MASK (0xf << GCFGC_CS_SHIFT) |
| #define GCFGC_CD_SHIFT 12 |
| #define GCFGC_CD_MASK (0x1 << GCFGC_CD_SHIFT) |
| #define GCFGC_UPDATE_SHIFT 5 |
| #define GCFGC_UPDATE (0x1 << GCFGC_UPDATE_SHIFT) |
| |
| /* |
| * MCHBAR |
| */ |
| |
| #define MCHBAR8(x) *((volatile u8 *)(DEFAULT_MCHBAR + x)) |
| #define MCHBAR16(x) *((volatile u16 *)(DEFAULT_MCHBAR + x)) |
| #define MCHBAR32(x) *((volatile u32 *)(DEFAULT_MCHBAR + x)) |
| |
| #define HPLLVCO_MCHBAR 0x0c0f |
| |
| #define PMSTS_MCHBAR 0x0f14 /* Self refresh channel status */ |
| #define PMSTS_WARM_RESET (1 << 1) |
| #define PMSTS_BOTH_SELFREFRESH (1 << 0) |
| |
| #define CLKCFG_MCHBAR 0x0c00 |
| #define CLKCFG_FSBCLK_SHIFT 0 |
| #define CLKCFG_FSBCLK_MASK (7 << CLKCFG_FSBCLK_SHIFT) |
| #define CLKCFG_MEMCLK_SHIFT 4 |
| #define CLKCFG_MEMCLK_MASK (7 << CLKCFG_MEMCLK_SHIFT) |
| #define CLKCFG_UPDATE (1 << 12) |
| |
| #define SSKPD_MCHBAR 0x0c1c |
| #define SSKPD_CLK_SHIFT 0 |
| #define SSKPD_CLK_MASK (7 << SSKPD_CLK_SHIFT) |
| |
| #define DCC_MCHBAR 0x200 |
| #define DCC_NO_CHANXOR (1 << 10) |
| #define DCC_INTERLEAVED (1 << 1) |
| #define DCC_CMD_SHIFT 16 |
| #define DCC_CMD_MASK (7 << DCC_CMD_SHIFT) |
| #define DCC_CMD_NOP (1 << DCC_CMD_SHIFT) |
| /* For mode register mr0: */ |
| #define DCC_SET_MREG (3 << DCC_CMD_SHIFT) |
| /* For extended mode registers mr1 to mr3: */ |
| #define DCC_SET_EREG (4 << DCC_CMD_SHIFT) |
| #define DCC_SET_EREG_SHIFT 21 |
| #define DCC_SET_EREG_MASK (DCC_CMD_MASK | (3 << DCC_SET_EREG_SHIFT)) |
| #define DCC_SET_EREGx(x) ((DCC_SET_EREG | \ |
| ((x - 1) << DCC_SET_EREG_SHIFT)) & \ |
| DCC_SET_EREG_MASK) |
| |
| /* Per channel DRAM Row Attribute registers (32-bit) */ |
| #define CxDRA_MCHBAR(x) (0x1208 + (x * 0x0100)) |
| #define CxDRA_PAGESIZE_SHIFT(r) (r * 4) /* Per rank r */ |
| #define CxDRA_PAGESIZE_MASKr(r) (0x7 << CxDRA_PAGESIZE_SHIFT(r)) |
| #define CxDRA_PAGESIZE_MASK 0x0000ffff |
| #define CxDRA_PAGESIZE(r, p) /* for log2(dimm page size in bytes) p */ \ |
| (((p - 10) << CxDRA_PAGESIZE_SHIFT(r)) & CxDRA_PAGESIZE_MASKr(r)) |
| #define CxDRA_BANKS_SHIFT(r) ((r * 3) + 16) |
| #define CxDRA_BANKS_MASKr(r) (0x3 << CxDRA_BANKS_SHIFT(r)) |
| #define CxDRA_BANKS_MASK 0x07ff0000 |
| #define CxDRA_BANKS(r, b) /* for number of banks b */ \ |
| ((b << (CxDRA_BANKS_SHIFT(r) - 3)) & CxDRA_BANKS_MASKr(r)) |
| |
| /* |
| * Per channel DRAM Row Boundary registers (32-bit) |
| * Every two ranks share one register and must be programmed at the same time. |
| * All registers (4 ranks per channel) have to be set. |
| */ |
| #define CxDRBy_MCHBAR(x, r) (0x1200 + (x * 0x0100) + ((r/2) * 4)) |
| #define CxDRBy_BOUND_SHIFT(r) ((r % 2) * 16) |
| #define CxDRBy_BOUND_MASK(r) (0x1fc << CxDRBy_BOUND_SHIFT(r)) |
| #define CxDRBy_BOUND_MB(r, b) /* for boundary in MB b */ \ |
| (((b >> 5) << CxDRBy_BOUND_SHIFT(r)) & CxDRBy_BOUND_MASK(r)) |
| |
| #define CxDRC0_MCHBAR(x) (0x1230 + (x * 0x0100)) |
| #define CxDRC0_RANKEN0 (1 << 24) /* Rank Enable */ |
| #define CxDRC0_RANKEN1 (1 << 25) |
| #define CxDRC0_RANKEN2 (1 << 26) |
| #define CxDRC0_RANKEN3 (1 << 27) |
| #define CxDRC0_RANKEN(r) (1 << (24 + r)) |
| #define CxDRC0_RANKEN_MASK (0xf << 24) |
| #define CxDRC0_RMS_SHIFT 8 /* Refresh Mode Select */ |
| #define CxDRC0_RMS_MASK (7 << CxDRC0_RMS_SHIFT) |
| #define CxDRC0_RMS_78US (2 << CxDRC0_RMS_SHIFT) |
| #define CxDRC0_RMS_39US (3 << CxDRC0_RMS_SHIFT) |
| |
| #define CxDRC1_MCHBAR(x) (0x1234 + (x * 0x0100)) |
| #define CxDRC1_SSDS_SHIFT 24 |
| #define CxDRC1_SSDS_MASK (0xff << CxDRC1_SSDS_SHIFT) |
| #define CxDRC1_DS (0x91 << CxDRC1_SSDS_SHIFT) |
| #define CxDRC1_SS (0xb1 << CxDRC1_SSDS_SHIFT) |
| #define CxDRC1_NOTPOP(r) (1 << (16 + r)) /* Write 1 for Not Populated */ |
| #define CxDRC1_NOTPOP_MASK (0xf << 16) |
| #define CxDRC1_MUSTWR (3 << 11) |
| |
| #define CxDRC2_MCHBAR(x) (0x1238 + (x * 0x0100)) |
| #define CxDRC2_NOTPOP(r) (1 << (24 + r)) /* Write 1 for Not Populated */ |
| #define CxDRC2_NOTPOP_MASK (0xf << 24) |
| #define CxDRC2_MUSTWR (1 << 12) |
| #define CxDRC2_CLK1067MT (1 << 0) |
| |
| /* DRAM Timing registers (32-bit each) */ |
| #define CxDRT0_MCHBAR(x) (0x1210 + (x * 0x0100)) |
| #define CxDRT0_BtB_WtP_SHIFT 26 |
| #define CxDRT0_BtB_WtP_MASK (0x1f << CxDRT0_BtB_WtP_SHIFT) |
| #define CxDRT0_BtB_WtR_SHIFT 20 |
| #define CxDRT0_BtB_WtR_MASK (0x1f << CxDRT0_BtB_WtR_SHIFT) |
| #define CxDRT1_MCHBAR(x) (0x1214 + (x * 0x0100)) |
| #define CxDRT2_MCHBAR(x) (0x1218 + (x * 0x0100)) |
| #define CxDRT3_MCHBAR(x) (0x121c + (x * 0x0100)) |
| #define CxDRT4_MCHBAR(x) (0x1220 + (x * 0x0100)) |
| #define CxDRT5_MCHBAR(x) (0x1224 + (x * 0x0100)) |
| #define CxDRT6_MCHBAR(x) (0x1228 + (x * 0x0100)) |
| |
| /* Clock disable registers (32-bit each) */ |
| #define CxDCLKDIS_MCHBAR(x) (0x120c + (x * 0x0100)) |
| #define CxDCLKDIS_MASK 3 |
| #define CxDCLKDIS_ENABLE 3 /* Always enable both clock pairs. */ |
| |
| /* On-Die-Termination registers (2x 32-bit per channel) */ |
| #define CxODT_HIGH(x) (0x124c + (x * 0x0100)) |
| #define CxODT_LOW(x) (0x1248 + (x * 0x0100)) |
| |
| /* Write Training registers. */ |
| #define CxWRTy_MCHBAR(ch, s) (0x1470 + (ch * 0x0100) + ((3 - s) * 4)) |
| |
| #define CxGTEW(x) (0x1270+(x*0x100)) |
| #define CxGTC(x) (0x1274+(x*0x100)) |
| #define CxDTPEW(x) (0x1278+(x*0x100)) |
| #define CxDTAEW(x) (0x1280+(x*0x100)) |
| #define CxDTC(x) (0x1288+(x*0x100)) |
| |
| |
| /* |
| * DMIBAR |
| */ |
| |
| #define DMIBAR8(x) *((volatile u8 *)(DEFAULT_DMIBAR + x)) |
| #define DMIBAR16(x) *((volatile u16 *)(DEFAULT_DMIBAR + x)) |
| #define DMIBAR32(x) *((volatile u32 *)(DEFAULT_DMIBAR + x)) |
| |
| #define DMIVC0RCTL 0x14 |
| #define DMIVC1RCTL 0x20 |
| #define DMIVC1RSTS 0x26 |
| #define DMIESD 0x44 |
| #define DMILE1D 0x50 |
| #define DMILE1A 0x58 |
| #define DMILE2D 0x60 |
| #define DMILE2A 0x68 |
| |
| |
| /* |
| * EPBAR |
| */ |
| |
| #define EPBAR8(x) *((volatile u8 *)(DEFAULT_EPBAR + x)) |
| #define EPBAR16(x) *((volatile u16 *)(DEFAULT_EPBAR + x)) |
| #define EPBAR32(x) *((volatile u32 *)(DEFAULT_EPBAR + x)) |
| |
| #define EPESD 0x44 |
| #define EPLE1D 0x50 |
| #define EPLE1A 0x58 |
| #define EPLE2D 0x60 |
| |
| |
| #ifndef __ACPI__ |
| void gm45_early_init(void); |
| void gm45_early_reset(void); |
| |
| void enter_raminit_or_reset(void); |
| void get_gmch_info(sysinfo_t *); |
| void raminit(sysinfo_t *, int s3resume); |
| void raminit_thermal(const sysinfo_t *); |
| void init_igd(const sysinfo_t *const); |
| void init_pm(const sysinfo_t *, int do_freq_scaling_cfg); |
| void igd_compute_ggc(sysinfo_t *const sysinfo); |
| |
| int raminit_read_vco_index(void); |
| u32 raminit_get_rank_addr(unsigned int channel, unsigned int rank); |
| |
| void raminit_rcomp_calibration(stepping_t stepping); |
| void raminit_reset_readwrite_pointers(void); |
| void raminit_receive_enable_calibration(const timings_t *, const dimminfo_t *); |
| void raminit_write_training(const mem_clock_t, const dimminfo_t *, int s3resume); |
| void raminit_read_training(const dimminfo_t *, int s3resume); |
| |
| void gm45_late_init(stepping_t); |
| |
| u32 decode_igd_memory_size(u32 gms); |
| u32 decode_igd_gtt_size(u32 gsm); |
| u32 decode_tseg_size(u8 esmramc); |
| |
| void init_iommu(void); |
| |
| /* romstage mainboard hookups */ |
| void mb_setup_superio(void); /* optional */ |
| void get_mb_spd_addrmap(u8 spd_addrmap[4]); |
| void mb_pre_raminit_setup(sysinfo_t *); /* optional */ |
| void mb_post_raminit_setup(void); /* optional */ |
| |
| struct blc_pwm_t { |
| char ascii_string[13]; |
| int pwm_freq; /* In Hz */ |
| }; |
| int get_blc_values(const struct blc_pwm_t **entries); |
| u16 get_blc_pwm_freq_value(const char *edid_ascii_string); |
| |
| |
| #include <device/device.h> |
| |
| struct acpi_rsdp; |
| unsigned long northbridge_write_acpi_tables(struct device *device, unsigned long start, struct acpi_rsdp *rsdp); |
| |
| #endif /* !__ACPI__ */ |
| #endif /* __NORTHBRIDGE_INTEL_GM45_GM45_H__ */ |