/* * This file is part of the coreboot project. * * Copyright (C) 2007-2008 coresystems GmbH * 2012 secunet Security Networks AG * Copyright (C) 2015 Damien Zammit * * 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_X4X_H__ #define __NORTHBRIDGE_INTEL_X4X_H__ /* * 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 D0EN (1 << 0) #define D1EN (1 << 1) #define IGD0EN (1 << 3) #define IGD1EN (1 << 4) #define D3F0EN (1 << 6) #define D3F1EN (1 << 7) #define D3F2EN (1 << 8) #define D3F3EN (1 << 9) #define PEG1EN (1 << 13) #define BOARD_DEVEN (D0EN | D1EN | IGD0EN | IGD1EN | PEG1EN) #define D0F0_PCIEXBAR_LO 0x60 #define D0F0_PCIEXBAR_HI 0x64 #define D0F0_DMIBAR_LO 0x68 #define D0F0_DMIBAR_HI 0x6c #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_GBSM 0xa4 #define D0F0_BGSM 0xa8 #define D0F0_TSEG 0xac #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 PMSTS_MCHBAR 0x0f14 /* Self refresh channel status */ #define PMSTS_WARM_RESET (1 << 8) #define PMSTS_BOTH_SELFREFRESH (3 << 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 0x0c20 /* 64 bit */ /* * 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 #define NOP_CMD 0x2 #define PRECHARGE_CMD 0x4 #define MRS_CMD 0x6 #define EMRS_CMD 0x8 #define EMRS1_CMD (EMRS_CMD | 0x10) #define EMRS2_CMD (EMRS_CMD | 0x20) #define EMRS3_CMD (EMRS_CMD | 0x30) #define ZQCAL_CMD 0xa #define CBR_CMD 0xc #define NORMALOP_CMD 0xe #define TOTAL_CHANNELS 2 #define TOTAL_DIMMS 4 #define DIMMS_PER_CHANNEL (TOTAL_DIMMS / TOTAL_CHANNELS) #define RAW_CARD_UNPOPULATED 0xff #define DIMM_IS_POPULATED(dimms, idx) (dimms[idx].card_type != RAW_CARD_UNPOPULATED) #define IF_DIMM_POPULATED(dimms, idx) if (dimms[idx].card_type != RAW_CARD_UNPOPULATED) #define ONLY_DIMMA_IS_POPULATED(dimms, ch) ( \ (DIMM_IS_POPULATED(dimms, (ch == 0) ? 0 : 2) && \ !DIMM_IS_POPULATED(dimms, (ch == 0) ? 1 : 3))) #define ONLY_DIMMB_IS_POPULATED(dimms, ch) ( \ (DIMM_IS_POPULATED(dimms, (ch == 0) ? 1 : 3) && \ !DIMM_IS_POPULATED(dimms, (ch == 0) ? 0 : 2))) #define BOTH_DIMMS_ARE_POPULATED(dimms, ch) ( \ (DIMM_IS_POPULATED(dimms, (ch == 0) ? 0 : 2) && \ (DIMM_IS_POPULATED(dimms, (ch == 0) ? 1 : 3)))) #define FOR_EACH_DIMM(idx) \ for (idx = 0; idx < TOTAL_DIMMS; ++idx) #define FOR_EACH_POPULATED_DIMM(dimms, idx) \ FOR_EACH_DIMM(idx) IF_DIMM_POPULATED(dimms, idx) #define FOR_EACH_DIMM_IN_CHANNEL(ch, idx) \ for (idx = (ch) << 1; idx < ((ch) << 1) + DIMMS_PER_CHANNEL; ++idx) #define FOR_EACH_POPULATED_DIMM_IN_CHANNEL(dimms, ch, idx) \ FOR_EACH_DIMM_IN_CHANNEL(ch, idx) IF_DIMM_POPULATED(dimms, idx) #define CHANNEL_IS_POPULATED(dimms, idx) ((dimms[idx<<1].card_type != RAW_CARD_UNPOPULATED) || (dimms[(idx<<1) + 1].card_type != RAW_CARD_UNPOPULATED)) #define CHANNEL_IS_CARDF(dimms, idx) ((dimms[idx<<1].card_type == 0xf) || (dimms[(idx<<1) + 1].card_type == 0xf)) #define IF_CHANNEL_POPULATED(dimms, idx) if ((dimms[idx<<1].card_type != RAW_CARD_UNPOPULATED) || (dimms[(idx<<1) + 1].card_type != RAW_CARD_UNPOPULATED)) #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 #define RANK_IS_POPULATED(dimms, ch, r) \ (((dimms[ch<<1].card_type != RAW_CARD_UNPOPULATED) && ((r) < dimms[ch<<1].ranks)) || \ ((dimms[(ch<<1) + 1].card_type != RAW_CARD_UNPOPULATED) && ((r) >= 2) && ((r) < (dimms[(ch<<1) + 1].ranks + 2)))) #define IF_RANK_POPULATED(dimms, ch, r) \ if (((dimms[ch<<1].card_type != RAW_CARD_UNPOPULATED) && ((r) < dimms[ch<<1].ranks)) || \ ((dimms[(ch<<1) + 1].card_type != RAW_CARD_UNPOPULATED) && ((r) >= 2) && ((r) < (dimms[(ch<<1) + 1].ranks + 2)))) #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 fsb_clock { FSB_CLOCK_800MHz = 0, FSB_CLOCK_1066MHz = 1, FSB_CLOCK_1333MHz = 2, }; enum mem_clock { MEM_CLOCK_400MHz = 0, MEM_CLOCK_533MHz = 1, MEM_CLOCK_667MHz = 2, MEM_CLOCK_800MHz = 3, MEM_CLOCK_1066MHz = 4, MEM_CLOCK_1333MHz = 5, }; enum ddr { DDR2 = 2, DDR3 = 3, }; enum ddrxspd { DDR2SPD = 0x8, DDR3SPD = 0xb, }; enum chip_width { /* as in DDR3 spd */ CHIP_WIDTH_x4 = 0, CHIP_WIDTH_x8 = 1, CHIP_WIDTH_x16 = 2, CHIP_WIDTH_x32 = 3, }; enum chip_cap { /* 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, }; struct timings { unsigned int CAS; enum fsb_clock fsb_clk; enum mem_clock mem_clk; unsigned int tRAS; unsigned int tRP; unsigned int tRCD; unsigned int tWR; unsigned int tRFC; unsigned int tWTR; unsigned int tRRD; unsigned int tRTP; }; struct dimminfo { unsigned int card_type; /* 0xff: unpopulated, 0xa - 0xf: raw card type A - F */ enum chip_width width; enum chip_cap chip_capacity; unsigned int page_size; /* of whole DIMM in Bytes (4096 or 8192) */ unsigned int sides; unsigned int banks; unsigned int ranks; unsigned int rows; unsigned int cols; unsigned int cas_latencies; unsigned int tAAmin; unsigned int tCKmin; unsigned int tWR; unsigned int tRP; unsigned int tRCD; unsigned int tRAS; unsigned int rank_capacity_mb; /* per rank in Megabytes */ u8 spd_data[256]; }; /* The setup is up to two DIMMs per channel */ struct sysinfo { int txt_enabled; int cores; int boot_path; int max_ddr2_mhz; int max_ddr3_mt; enum fsb_clock max_fsb; int max_fsb_mhz; int max_render_mhz; int enable_igd; int enable_peg; u16 ggc; int dimm_config[2]; int dimms_per_ch; int spd_type; int channel_capacity[2]; struct timings selected_timings; struct dimminfo dimms[4]; u8 spd_map[4]; }; #define BOOT_PATH_NORMAL 0 #define BOOT_PATH_WARM_RESET 1 #define BOOT_PATH_RESUME 2 enum ddr2_signals { CLKSET0 = 0, CTRL0, CLKSET1, CMD, CTRL1, CTRL2, CTRL3, DQS1, DQS2, DQS3, DQS4, DQS5, DQS6, DQS7, DQS8, DQ1, DQ2, DQ3, DQ4, DQ5, DQ6, DQ7, DQ8 }; #ifndef __BOOTBLOCK__ void x4x_early_init(void); void x4x_late_init(int s3resume); u32 decode_igd_memory_size(u32 gms); u32 decode_igd_gtt_size(u32 gsm); u8 decode_pciebar(u32 *const base, u32 *const len); void sdram_initialize(int boot_path, const u8 *spd_map); void raminit_ddr2(struct sysinfo *); struct acpi_rsdp; #ifndef __SIMPLE_DEVICE__ unsigned long northbridge_write_acpi_tables(device_t device, unsigned long start, struct acpi_rsdp *rsdp); #endif /* __SIMPLE_DEVICE__ */ #endif #endif /* __NORTHBRIDGE_INTEL_X4X_H__ */