/* * This file is part of the flashrom project. * * Copyright (C) 2000 Silicon Integrated System Corporation * Copyright (C) 2005-2009 coresystems GmbH * Copyright (C) 2006 Uwe Hermann * Copyright (C) 2007,2008,2009 Carl-Daniel Hailfinger * Copyright (C) 2009 Kontron Modular Computers GmbH * Copyright (C) 2011, 2012 Stefan Tauner * Copyright (C) 2017 secunet Security Networks AG * (Written by Nico Huber for secunet) * * 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. */ /* * Contains the chipset specific flash enables. */ #include #include #include #include #include #include #include "flash.h" #include "programmer.h" #include "hwaccess_physmap.h" #include "platform/pci.h" #define NOT_DONE_YET 1 #if defined(__i386__) || defined(__x86_64__) #include "hwaccess_x86_io.h" #include "hwaccess_x86_msr.h" static int enable_flash_ali_m1533(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t tmp; /* * ROM Write enable, 0xFFFC0000-0xFFFDFFFF and * 0xFFFE0000-0xFFFFFFFF ROM select enable. */ tmp = pci_read_byte(dev, 0x47); tmp |= 0x46; rpci_write_byte(dev, 0x47, tmp); return 0; } static int enable_flash_rdc_r8610(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t tmp; /* enable ROMCS for writes */ tmp = pci_read_byte(dev, 0x43); tmp |= 0x80; pci_write_byte(dev, 0x43, tmp); /* read the bootstrapping register */ tmp = pci_read_byte(dev, 0x40) & 0x3; switch (tmp) { case 3: internal_buses_supported &= BUS_FWH; break; case 2: internal_buses_supported &= BUS_LPC; break; default: internal_buses_supported &= BUS_PARALLEL; break; } return 0; } static int enable_flash_sis85c496(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t tmp; tmp = pci_read_byte(dev, 0xd0); tmp |= 0xf8; rpci_write_byte(dev, 0xd0, tmp); return 0; } static int enable_flash_sis_mapping(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { #define SIS_MAPREG 0x40 uint8_t new, newer; /* Extended BIOS enable = 1, Lower BIOS Enable = 1 */ /* This is 0xFFF8000~0xFFFF0000 decoding on SiS 540/630. */ new = pci_read_byte(dev, SIS_MAPREG); new &= (~0x04); /* No idea why we clear bit 2. */ new |= 0xb; /* 0x3 for some chipsets, bit 7 seems to be don't care. */ rpci_write_byte(dev, SIS_MAPREG, new); newer = pci_read_byte(dev, SIS_MAPREG); if (newer != new) { /* FIXME: share this with other code? */ msg_pinfo("Setting register 0x%x to 0x%02x on %s failed (WARNING ONLY).\n", SIS_MAPREG, new, name); msg_pinfo("Stuck at 0x%02x.\n", newer); return -1; } return 0; } static struct pci_dev *find_southbridge(uint16_t vendor, const char *name) { struct pci_dev *sbdev; sbdev = pcidev_find_vendorclass(vendor, 0x0601); if (!sbdev) sbdev = pcidev_find_vendorclass(vendor, 0x0680); if (!sbdev) sbdev = pcidev_find_vendorclass(vendor, 0x0000); if (!sbdev) msg_perr("No southbridge found for %s!\n", name); if (sbdev) msg_pdbg("Found southbridge %04x:%04x at %02x:%02x:%01x\n", sbdev->vendor_id, sbdev->device_id, sbdev->bus, sbdev->dev, sbdev->func); return sbdev; } static int enable_flash_sis501(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t tmp; int ret = 0; struct pci_dev *sbdev; sbdev = find_southbridge(dev->vendor_id, name); if (!sbdev) return -1; ret = enable_flash_sis_mapping(cfg, sbdev, name); tmp = sio_read(0x22, 0x80); tmp &= (~0x20); tmp |= 0x4; sio_write(0x22, 0x80, tmp); tmp = sio_read(0x22, 0x70); tmp &= (~0x20); tmp |= 0x4; sio_write(0x22, 0x70, tmp); return ret; } static int enable_flash_sis5511(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t tmp; int ret = 0; struct pci_dev *sbdev; sbdev = find_southbridge(dev->vendor_id, name); if (!sbdev) return -1; ret = enable_flash_sis_mapping(cfg, sbdev, name); tmp = sio_read(0x22, 0x50); tmp &= (~0x20); tmp |= 0x4; sio_write(0x22, 0x50, tmp); return ret; } static int enable_flash_sis5x0(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name, uint8_t dis_mask, uint8_t en_mask) { #define SIS_REG 0x45 uint8_t new, newer; int ret = 0; struct pci_dev *sbdev; sbdev = find_southbridge(dev->vendor_id, name); if (!sbdev) return -1; ret = enable_flash_sis_mapping(cfg, sbdev, name); new = pci_read_byte(sbdev, SIS_REG); new &= (~dis_mask); new |= en_mask; rpci_write_byte(sbdev, SIS_REG, new); newer = pci_read_byte(sbdev, SIS_REG); if (newer != new) { /* FIXME: share this with other code? */ msg_pinfo("Setting register 0x%x to 0x%02x on %s failed (WARNING ONLY).\n", SIS_REG, new, name); msg_pinfo("Stuck at 0x%02x\n", newer); ret = -1; } return ret; } static int enable_flash_sis530(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_sis5x0(cfg, dev, name, 0x20, 0x04); } static int enable_flash_sis540(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_sis5x0(cfg, dev, name, 0x80, 0x40); } /* Datasheet: * - Name: 82371AB PCI-TO-ISA / IDE XCELERATOR (PIIX4) * - URL: http://www.intel.com/design/intarch/datashts/290562.htm * - PDF: http://www.intel.com/design/intarch/datashts/29056201.pdf * - Order Number: 290562-001 */ static int enable_flash_piix4(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint16_t old, new; uint16_t xbcs = 0x4e; /* X-Bus Chip Select register. */ internal_buses_supported &= BUS_PARALLEL; old = pci_read_word(dev, xbcs); /* Set bit 9: 1-Meg Extended BIOS Enable (PCI master accesses to * FFF00000-FFF7FFFF are forwarded to ISA). * Note: This bit is reserved on PIIX/PIIX3/MPIIX. * Set bit 7: Extended BIOS Enable (PCI master accesses to * FFF80000-FFFDFFFF are forwarded to ISA). * Set bit 6: Lower BIOS Enable (PCI master, or ISA master accesses to * the lower 64-Kbyte BIOS block (E0000-EFFFF) at the top * of 1 Mbyte, or the aliases at the top of 4 Gbyte * (FFFE0000-FFFEFFFF) result in the generation of BIOSCS#. * Note: Accesses to FFFF0000-FFFFFFFF are always forwarded to ISA. * Set bit 2: BIOSCS# Write Enable (1=enable, 0=disable). */ if (dev->device_id == 0x122e || dev->device_id == 0x7000 || dev->device_id == 0x1234) new = old | 0x00c4; /* PIIX/PIIX3/MPIIX: Bit 9 is reserved. */ else new = old | 0x02c4; if (new == old) return 0; rpci_write_word(dev, xbcs, new); if (pci_read_word(dev, xbcs) != new) { /* FIXME: share this with other code? */ msg_pinfo("Setting register 0x%04x to 0x%04x on %s failed (WARNING ONLY).\n", xbcs, new, name); return -1; } return 0; } /* Handle BIOS_CNTL (aka. BCR). Disable locks and enable writes. The register can either be in PCI config space * at the offset given by 'bios_cntl' or at the memory-mapped address 'addr'. * * Note: the ICH0-ICH5 BIOS_CNTL register is actually 16 bit wide, in Poulsbo, Tunnel Creek and other Atom * chipsets/SoCs it is even 32b, but just treating it as 8 bit wide seems to work fine in practice. */ static int enable_flash_ich_bios_cntl_common(enum ich_chipset ich_generation, void *addr, struct pci_dev *dev, uint8_t bios_cntl) { uint8_t old, new, wanted; switch (ich_generation) { case CHIPSET_ICH_UNKNOWN: return ERROR_FLASHROM_FATAL; /* Non-SPI-capable */ case CHIPSET_ICH: case CHIPSET_ICH2345: break; /* Some Atom chipsets are special: The second byte of BIOS_CNTL (D9h) contains a prefetch bit similar to * what other SPI-capable chipsets have at DCh. Others like Bay Trail use a memmapped register. * The Tunnel Creek datasheet contains a lot of details about the SPI controller, among other things it * mentions that the prefetching and caching does only happen for direct memory reads. * Therefore - at least for Tunnel Creek - it should not matter to flashrom because we use the * programmed access only and not memory mapping. */ case CHIPSET_TUNNEL_CREEK: case CHIPSET_POULSBO: case CHIPSET_CENTERTON: old = pci_read_byte(dev, bios_cntl + 1); msg_pdbg("BIOS Prefetch Enable: %sabled, ", (old & 1) ? "en" : "dis"); break; case CHIPSET_BAYTRAIL: case CHIPSET_ICH7: default: /* Future version might behave the same */ if (ich_generation == CHIPSET_BAYTRAIL) old = (mmio_readl(addr) >> 2) & 0x3; else old = (pci_read_byte(dev, bios_cntl) >> 2) & 0x3; msg_pdbg("SPI Read Configuration: "); if (old == 3) msg_pdbg("invalid prefetching/caching settings, "); else msg_pdbg("prefetching %sabled, caching %sabled, ", (old & 0x2) ? "en" : "dis", (old & 0x1) ? "dis" : "en"); } if (ich_generation == CHIPSET_BAYTRAIL) wanted = old = mmio_readl(addr); else wanted = old = pci_read_byte(dev, bios_cntl); /* * Quote from the 6 Series datasheet (Document Number: 324645-004): * "Bit 5: SMM BIOS Write Protect Disable (SMM_BWP) * 1 = BIOS region SMM protection is enabled. * The BIOS Region is not writable unless all processors are in SMM." * In earlier chipsets this bit is reserved. * * Try to unset it in any case. * It won't hurt and makes sense in some cases according to Stefan Reinauer. * * At least in Centerton aforementioned bit is located at bit 7. It is unspecified in all other Atom * and Desktop chipsets before Ibex Peak/5 Series, but we reset bit 5 anyway. */ int smm_bwp_bit; if (ich_generation == CHIPSET_CENTERTON) smm_bwp_bit = 7; else smm_bwp_bit = 5; wanted &= ~(1 << smm_bwp_bit); /* Tunnel Creek has a cache disable at bit 2 of the lowest BIOS_CNTL byte. */ if (ich_generation == CHIPSET_TUNNEL_CREEK) wanted |= (1 << 2); wanted |= (1 << 0); /* Set BIOS Write Enable */ wanted &= ~(1 << 1); /* Disable lock (futile) */ /* Only write the register if it's necessary */ if (wanted != old) { if (ich_generation == CHIPSET_BAYTRAIL) { rmmio_writel(wanted, addr); new = mmio_readl(addr); } else { rpci_write_byte(dev, bios_cntl, wanted); new = pci_read_byte(dev, bios_cntl); } } else new = old; msg_pdbg("\nBIOS_CNTL = 0x%02x: ", new); msg_pdbg("BIOS Lock Enable: %sabled, ", (new & (1 << 1)) ? "en" : "dis"); msg_pdbg("BIOS Write Enable: %sabled\n", (new & (1 << 0)) ? "en" : "dis"); if (new & (1 << smm_bwp_bit)) msg_pwarn("Warning: BIOS region SMM protection is enabled!\n"); if (new != wanted) msg_pwarn("Warning: Setting BIOS Control at 0x%x from 0x%02x to 0x%02x failed.\n" "New value is 0x%02x.\n", bios_cntl, old, wanted, new); /* Return an error if we could not set the write enable only. */ if (!(new & (1 << 0))) return -1; return 0; } static int enable_flash_ich_bios_cntl_config_space(struct pci_dev *dev, enum ich_chipset ich_generation, uint8_t bios_cntl) { return enable_flash_ich_bios_cntl_common(ich_generation, NULL, dev, bios_cntl); } static int enable_flash_ich_bios_cntl_memmapped(enum ich_chipset ich_generation, void *addr) { return enable_flash_ich_bios_cntl_common(ich_generation, addr, NULL, 0); } static int enable_flash_ich_fwh_decode(const struct programmer_cfg *cfg, struct pci_dev *dev, enum ich_chipset ich_generation) { uint8_t fwh_sel1 = 0, fwh_sel2 = 0, fwh_dec_en_lo = 0, fwh_dec_en_hi = 0; /* silence compilers */ bool implemented = 0; void *ilb = NULL; /* Only for Baytrail */ switch (ich_generation) { case CHIPSET_ICH: /* FIXME: Unlike later chipsets, ICH and ICH-0 do only support mapping of the top-most 4MB * and therefore do only feature FWH_DEC_EN (E3h, different default too) and FWH_SEL (E8h). */ break; case CHIPSET_ICH2345: fwh_sel1 = 0xe8; fwh_sel2 = 0xee; fwh_dec_en_lo = 0xf0; fwh_dec_en_hi = 0xe3; implemented = 1; break; case CHIPSET_POULSBO: case CHIPSET_TUNNEL_CREEK: /* FIXME: Similar to ICH and ICH-0, Tunnel Creek and Poulsbo do only feature one register each, * FWH_DEC_EN (D7h) and FWH_SEL (D0h). */ break; case CHIPSET_CENTERTON: /* FIXME: Similar to above FWH_DEC_EN (D4h) and FWH_SEL (D0h). */ break; case CHIPSET_BAYTRAIL: { uint32_t ilb_base = pci_read_long(dev, 0x50) & 0xfffffe00; /* bits 31:9 */ if (ilb_base == 0) { msg_perr("Error: Invalid ILB_BASE_ADDRESS\n"); return ERROR_FLASHROM_FATAL; } ilb = rphysmap("BYT IBASE", ilb_base, 512); fwh_sel1 = 0x18; fwh_dec_en_lo = 0xd8; fwh_dec_en_hi = 0xd9; implemented = 1; break; } case CHIPSET_ICH6: case CHIPSET_ICH7: default: /* Future version might behave the same */ fwh_sel1 = 0xd0; fwh_sel2 = 0xd4; fwh_dec_en_lo = 0xd8; fwh_dec_en_hi = 0xd9; implemented = 1; break; } char *idsel = extract_programmer_param_str(cfg, "fwh_idsel"); if (idsel && strlen(idsel)) { if (!implemented) { msg_perr("Error: fwh_idsel= specified, but (yet) unsupported on this chipset.\n"); goto idsel_garbage_out; } errno = 0; /* Base 16, nothing else makes sense. */ uint64_t fwh_idsel = (uint64_t)strtoull(idsel, NULL, 16); if (errno) { msg_perr("Error: fwh_idsel= specified, but value could not be converted.\n"); goto idsel_garbage_out; } uint64_t fwh_mask = 0xffffffff; if (fwh_sel2 > 0) fwh_mask |= (0xffffULL << 32); if (fwh_idsel & ~fwh_mask) { msg_perr("Error: fwh_idsel= specified, but value had unused bits set.\n"); goto idsel_garbage_out; } uint64_t fwh_idsel_old; if (ich_generation == CHIPSET_BAYTRAIL) { fwh_idsel_old = mmio_readl(ilb + fwh_sel1); rmmio_writel(fwh_idsel, ilb + fwh_sel1); } else { fwh_idsel_old = (uint64_t)pci_read_long(dev, fwh_sel1) << 16; rpci_write_long(dev, fwh_sel1, (fwh_idsel >> 16) & 0xffffffff); if (fwh_sel2 > 0) { fwh_idsel_old |= pci_read_word(dev, fwh_sel2); rpci_write_word(dev, fwh_sel2, fwh_idsel & 0xffff); } } msg_pdbg("Setting IDSEL from 0x%012" PRIx64 " to 0x%012" PRIx64 " for top 16 MB.\n", fwh_idsel_old, fwh_idsel); /* FIXME: Decode settings are not changed. */ } else if (idsel) { msg_perr("Error: fwh_idsel= specified, but no value given.\n"); idsel_garbage_out: free(idsel); return ERROR_FLASHROM_FATAL; } free(idsel); if (!implemented) { msg_pdbg2("FWH IDSEL handling is not implemented on this chipset.\n"); return 0; } /* Ignore all legacy ranges below 1 MB. * We currently only support flashing the chip which responds to * IDSEL=0. To support IDSEL!=0, flashbase and decode size calculations * have to be adjusted. */ int max_decode_fwh_idsel = 0, max_decode_fwh_decode = 0; bool contiguous = 1; uint32_t fwh_conf; if (ich_generation == CHIPSET_BAYTRAIL) fwh_conf = mmio_readl(ilb + fwh_sel1); else fwh_conf = pci_read_long(dev, fwh_sel1); int i; /* FWH_SEL1 */ for (i = 7; i >= 0; i--) { int tmp = (fwh_conf >> (i * 4)) & 0xf; msg_pdbg("0x%08x/0x%08x FWH IDSEL: 0x%x\n", (0x1ff8 + i) * 0x80000, (0x1ff0 + i) * 0x80000, tmp); if ((tmp == 0) && contiguous) { max_decode_fwh_idsel = (8 - i) * 0x80000; } else { contiguous = 0; } } if (fwh_sel2 > 0) { /* FWH_SEL2 */ fwh_conf = pci_read_word(dev, fwh_sel2); for (i = 3; i >= 0; i--) { int tmp = (fwh_conf >> (i * 4)) & 0xf; msg_pdbg("0x%08x/0x%08x FWH IDSEL: 0x%x\n", (0xff4 + i) * 0x100000, (0xff0 + i) * 0x100000, tmp); if ((tmp == 0) && contiguous) { max_decode_fwh_idsel = (8 - i) * 0x100000; } else { contiguous = 0; } } } contiguous = 1; /* FWH_DEC_EN1 */ fwh_conf = pci_read_byte(dev, fwh_dec_en_hi); fwh_conf <<= 8; fwh_conf |= pci_read_byte(dev, fwh_dec_en_lo); for (i = 7; i >= 0; i--) { int tmp = (fwh_conf >> (i + 0x8)) & 0x1; msg_pdbg("0x%08x/0x%08x FWH decode %sabled\n", (0x1ff8 + i) * 0x80000, (0x1ff0 + i) * 0x80000, tmp ? "en" : "dis"); if ((tmp == 1) && contiguous) { max_decode_fwh_decode = (8 - i) * 0x80000; } else { contiguous = 0; } } for (i = 3; i >= 0; i--) { int tmp = (fwh_conf >> i) & 0x1; msg_pdbg("0x%08x/0x%08x FWH decode %sabled\n", (0xff4 + i) * 0x100000, (0xff0 + i) * 0x100000, tmp ? "en" : "dis"); if ((tmp == 1) && contiguous) { max_decode_fwh_decode = (8 - i) * 0x100000; } else { contiguous = 0; } } max_rom_decode.fwh = min(max_decode_fwh_idsel, max_decode_fwh_decode); msg_pdbg("Maximum FWH chip size: 0x%"PRIx32" bytes\n", max_rom_decode.fwh); return 0; } static int enable_flash_ich_fwh(const struct programmer_cfg *cfg, struct pci_dev *dev, enum ich_chipset ich_generation, uint8_t bios_cntl) { int err; /* Configure FWH IDSEL decoder maps. */ if ((err = enable_flash_ich_fwh_decode(cfg, dev, ich_generation)) != 0) return err; internal_buses_supported &= BUS_FWH; return enable_flash_ich_bios_cntl_config_space(dev, ich_generation, bios_cntl); } static int enable_flash_ich0(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_fwh(cfg, dev, CHIPSET_ICH, 0x4e); } static int enable_flash_ich2345(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_fwh(cfg, dev, CHIPSET_ICH2345, 0x4e); } static int enable_flash_ich6(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_fwh(cfg, dev, CHIPSET_ICH6, 0xdc); } static int enable_flash_poulsbo(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_fwh(cfg, dev, CHIPSET_POULSBO, 0xd8); } static enum chipbustype enable_flash_ich_report_gcs( struct pci_dev *const dev, const enum ich_chipset ich_generation, const uint8_t *const rcrb) { uint32_t gcs; const char *reg_name; bool bild, top_swap; switch (ich_generation) { case CHIPSET_BAYTRAIL: reg_name = "GCS"; gcs = mmio_readl(rcrb + 0); bild = gcs & 1; top_swap = (gcs & 2) >> 1; break; case CHIPSET_100_SERIES_SUNRISE_POINT: case CHIPSET_C620_SERIES_LEWISBURG: case CHIPSET_C740_SERIES_EMMITSBURG: case CHIPSET_300_SERIES_CANNON_POINT: case CHIPSET_400_SERIES_COMET_POINT: case CHIPSET_500_SERIES_TIGER_POINT: case CHIPSET_600_SERIES_ALDER_POINT: case CHIPSET_METEOR_LAKE: case CHIPSET_PANTHER_LAKE: case CHIPSET_ELKHART_LAKE: case CHIPSET_APOLLO_LAKE: case CHIPSET_GEMINI_LAKE: case CHIPSET_JASPER_LAKE: reg_name = "BIOS_SPI_BC"; gcs = pci_read_long(dev, 0xdc); bild = (gcs >> 7) & 1; top_swap = (gcs >> 4) & 1; break; default: reg_name = "GCS"; gcs = mmio_readl(rcrb + 0x3410); bild = gcs & 1; top_swap = mmio_readb(rcrb + 0x3414) & 1; break; } msg_pdbg("%s = 0x%"PRIx32": ", reg_name, gcs); msg_pdbg("BIOS Interface Lock-Down: %sabled, ", bild ? "en" : "dis"); struct boot_straps { const char *name; enum chipbustype bus; }; static const struct boot_straps boot_straps_EP80579[] = { { "SPI", BUS_SPI }, { "reserved", BUS_NONE }, { "reserved", BUS_NONE }, { "LPC", BUS_LPC | BUS_FWH } }; static const struct boot_straps boot_straps_ich7_nm10[] = { { "reserved", BUS_NONE }, { "SPI", BUS_SPI }, { "PCI", BUS_NONE }, { "LPC", BUS_LPC | BUS_FWH } }; static const struct boot_straps boot_straps_tunnel_creek[] = { { "SPI", BUS_SPI }, { "LPC", BUS_LPC | BUS_FWH } }; static const struct boot_straps boot_straps_ich8910[] = { { "SPI", BUS_SPI }, { "SPI", BUS_SPI }, { "PCI", BUS_NONE }, { "LPC", BUS_LPC | BUS_FWH } }; static const struct boot_straps boot_straps_pch567[] = { { "LPC", BUS_LPC | BUS_FWH }, { "reserved", BUS_NONE }, { "PCI", BUS_NONE }, { "SPI", BUS_SPI } }; static const struct boot_straps boot_straps_pch89_baytrail[] = { { "LPC", BUS_LPC | BUS_FWH }, { "reserved", BUS_NONE }, { "reserved", BUS_NONE }, { "SPI", BUS_SPI } }; static const struct boot_straps boot_straps_pch8_lp[] = { { "SPI", BUS_SPI }, { "LPC", BUS_LPC | BUS_FWH } }; static const struct boot_straps boot_straps_pch500[] = { { "SPI", BUS_SPI }, { "eSPI", BUS_NONE } }; static const struct boot_straps boot_straps_apl[] = { { "SPI", BUS_SPI }, { "reserved", BUS_NONE } }; static const struct boot_straps boot_straps_unknown[] = { { "unknown", BUS_NONE }, { "unknown", BUS_NONE }, { "unknown", BUS_NONE }, { "unknown", BUS_NONE } }; const struct boot_straps *boot_straps; switch (ich_generation) { case CHIPSET_ICH7: /* EP80579 may need further changes, but this is the least * intrusive way to get correct BOOT Strap printing without * changing the rest of its code path). */ if (dev->device_id == 0x5031) boot_straps = boot_straps_EP80579; else boot_straps = boot_straps_ich7_nm10; break; case CHIPSET_ICH8: case CHIPSET_ICH9: case CHIPSET_ICH10: boot_straps = boot_straps_ich8910; break; case CHIPSET_TUNNEL_CREEK: boot_straps = boot_straps_tunnel_creek; break; case CHIPSET_5_SERIES_IBEX_PEAK: case CHIPSET_6_SERIES_COUGAR_POINT: case CHIPSET_7_SERIES_PANTHER_POINT: boot_straps = boot_straps_pch567; break; case CHIPSET_8_SERIES_LYNX_POINT: case CHIPSET_9_SERIES_WILDCAT_POINT: case CHIPSET_BAYTRAIL: boot_straps = boot_straps_pch89_baytrail; break; case CHIPSET_8_SERIES_LYNX_POINT_LP: case CHIPSET_9_SERIES_WILDCAT_POINT_LP: case CHIPSET_100_SERIES_SUNRISE_POINT: case CHIPSET_C620_SERIES_LEWISBURG: case CHIPSET_300_SERIES_CANNON_POINT: case CHIPSET_400_SERIES_COMET_POINT: boot_straps = boot_straps_pch8_lp; break; case CHIPSET_500_SERIES_TIGER_POINT: case CHIPSET_600_SERIES_ALDER_POINT: case CHIPSET_C740_SERIES_EMMITSBURG: case CHIPSET_METEOR_LAKE: case CHIPSET_PANTHER_LAKE: boot_straps = boot_straps_pch500; break; case CHIPSET_APOLLO_LAKE: case CHIPSET_GEMINI_LAKE: case CHIPSET_JASPER_LAKE: case CHIPSET_ELKHART_LAKE: boot_straps = boot_straps_apl; break; case CHIPSET_8_SERIES_WELLSBURG: // FIXME: check datasheet case CHIPSET_CENTERTON: // FIXME: Datasheet does not mention GCS at all boot_straps = boot_straps_unknown; break; default: msg_gerr("%s: unknown ICH generation. Please report!\n", __func__); boot_straps = boot_straps_unknown; break; } uint8_t bbs; switch (ich_generation) { case CHIPSET_TUNNEL_CREEK: bbs = (gcs >> 1) & 0x1; break; case CHIPSET_8_SERIES_LYNX_POINT_LP: case CHIPSET_9_SERIES_WILDCAT_POINT_LP: /* LP PCHs use a single bit for BBS */ bbs = (gcs >> 10) & 0x1; break; case CHIPSET_100_SERIES_SUNRISE_POINT: case CHIPSET_C620_SERIES_LEWISBURG: case CHIPSET_300_SERIES_CANNON_POINT: case CHIPSET_400_SERIES_COMET_POINT: case CHIPSET_500_SERIES_TIGER_POINT: case CHIPSET_600_SERIES_ALDER_POINT: case CHIPSET_METEOR_LAKE: case CHIPSET_PANTHER_LAKE: case CHIPSET_APOLLO_LAKE: case CHIPSET_GEMINI_LAKE: case CHIPSET_JASPER_LAKE: case CHIPSET_ELKHART_LAKE: bbs = (gcs >> 6) & 0x1; break; default: /* Other chipsets use two bits for BBS */ bbs = (gcs >> 10) & 0x3; break; } msg_pdbg("Boot BIOS Straps: 0x%x (%s)\n", bbs, boot_straps[bbs].name); /* Centerton has its TS bit in [GPE0BLK] + 0x30 while the exact location for Tunnel Creek is unknown. */ if (ich_generation != CHIPSET_TUNNEL_CREEK && ich_generation != CHIPSET_CENTERTON) msg_pdbg("Top Swap: %s\n", (top_swap) ? "enabled (A16(+) inverted)" : "not enabled"); return boot_straps[bbs].bus; } static int enable_flash_ich_spi(const struct programmer_cfg *cfg, struct pci_dev *dev, enum ich_chipset ich_generation, uint8_t bios_cntl) { /* Get physical address of Root Complex Register Block */ uint32_t rcra = pci_read_long(dev, 0xf0) & 0xffffc000; msg_pdbg("Root Complex Register Block address = 0x%"PRIx32"\n", rcra); /* Map RCBA to virtual memory */ void *rcrb = rphysmap("ICH RCRB", rcra, 0x4000); if (rcrb == ERROR_PTR) return ERROR_FLASHROM_FATAL; const enum chipbustype boot_buses = enable_flash_ich_report_gcs(dev, ich_generation, rcrb); /* Handle FWH-related parameters and initialization */ int ret_fwh = enable_flash_ich_fwh(cfg, dev, ich_generation, bios_cntl); if (ret_fwh == ERROR_FLASHROM_FATAL) return ret_fwh; /* * It seems that the ICH7 does not support SPI and LPC chips at the same time. When booted * from LPC, the SCIP bit will never clear, which causes long delays and many error messages. * To avoid this, we will not enable SPI on ICH7 when the southbridge is strapped to LPC. */ if (ich_generation == CHIPSET_ICH7 && (boot_buses & BUS_LPC)) return 0; /* SPIBAR is at RCRB+0x3020 for ICH[78], Tunnel Creek and Centerton, and RCRB+0x3800 for ICH9. */ uint16_t spibar_offset; switch (ich_generation) { case CHIPSET_BAYTRAIL: case CHIPSET_ICH_UNKNOWN: return ERROR_FLASHROM_FATAL; case CHIPSET_ICH7: case CHIPSET_ICH8: case CHIPSET_TUNNEL_CREEK: case CHIPSET_CENTERTON: spibar_offset = 0x3020; break; case CHIPSET_ICH9: default: /* Future version might behave the same */ spibar_offset = 0x3800; break; } msg_pdbg("SPIBAR = 0x%0*" PRIxPTR " + 0x%04x\n", PRIxPTR_WIDTH, (uintptr_t)rcrb, spibar_offset); void *spibar = rcrb + spibar_offset; /* This adds BUS_SPI */ int ret_spi = ich_init_spi(cfg, spibar, ich_generation); if (ret_spi == ERROR_FLASHROM_FATAL) return ret_spi; if (((boot_buses & BUS_FWH) && ret_fwh) || ((boot_buses & BUS_SPI) && ret_spi)) return ERROR_FLASHROM_NONFATAL; /* Suppress unknown laptop warning if we booted from SPI. */ if (boot_buses & BUS_SPI) cfg->bcfg->laptop_ok = true; return 0; } static int enable_flash_tunnelcreek(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_TUNNEL_CREEK, 0xd8); } static int enable_flash_s12x0(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_CENTERTON, 0xd8); } static int enable_flash_ich7(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_ICH7, 0xdc); } static int enable_flash_ich8(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_ICH8, 0xdc); } static int enable_flash_ich9(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_ICH9, 0xdc); } static int enable_flash_ich10(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_ICH10, 0xdc); } /* Ibex Peak aka. 5 series & 3400 series */ static int enable_flash_pch5(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_5_SERIES_IBEX_PEAK, 0xdc); } /* Cougar Point aka. 6 series & c200 series */ static int enable_flash_pch6(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_6_SERIES_COUGAR_POINT, 0xdc); } /* Panther Point aka. 7 series */ static int enable_flash_pch7(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_7_SERIES_PANTHER_POINT, 0xdc); } /* Lynx Point aka. 8 series */ static int enable_flash_pch8(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_8_SERIES_LYNX_POINT, 0xdc); } /* Lynx Point LP aka. 8 series low-power */ static int enable_flash_pch8_lp(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_8_SERIES_LYNX_POINT_LP, 0xdc); } /* Wellsburg (for Haswell-EP Xeons) */ static int enable_flash_pch8_wb(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_8_SERIES_WELLSBURG, 0xdc); } /* Wildcat Point */ static int enable_flash_pch9(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_9_SERIES_WILDCAT_POINT, 0xdc); } /* Wildcat Point LP */ static int enable_flash_pch9_lp(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return enable_flash_ich_spi(cfg, dev, CHIPSET_9_SERIES_WILDCAT_POINT_LP, 0xdc); } /* Sunrise Point */ static int enable_flash_pch100_shutdown(void *const pci_acc) { pci_cleanup(pci_acc); return 0; } static int enable_flash_pch100_or_c620(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name, const int slot, const int func, const enum ich_chipset pch_generation) { int ret = ERROR_FLASHROM_FATAL; /* * The SPI PCI device is usually hidden (by hiding PCI vendor * and device IDs). So we need a PCI access method that works * even when the OS doesn't know the PCI device. We can't use * this method globally since it would bring along other con- * straints (e.g. on PCI domains, extended PCIe config space). */ struct pci_access *const pci_acc = pci_alloc(); struct pci_access *const saved_pacc = pacc; if (!pci_acc) { msg_perr("Can't allocate PCI accessor.\n"); return ret; } pci_acc->method = PCI_ACCESS_I386_TYPE1; pci_init(pci_acc); register_shutdown(enable_flash_pch100_shutdown, pci_acc); struct pci_dev *const spi_dev = pci_get_dev(pci_acc, dev->domain, dev->bus, slot, func); if (!spi_dev) { msg_perr("Can't allocate PCI device.\n"); return ret; } /* Modify pacc so the rpci_write can register the undo callback with a * device using the correct pci_access */ pacc = pci_acc; const enum chipbustype boot_buses = enable_flash_ich_report_gcs(spi_dev, pch_generation, NULL); const int ret_bc = enable_flash_ich_bios_cntl_config_space(spi_dev, pch_generation, 0xdc); if (ret_bc == ERROR_FLASHROM_FATAL) goto _freepci_ret; const uint32_t phys_spibar = pci_read_long(spi_dev, PCI_BASE_ADDRESS_0) & 0xfffff000; void *const spibar = rphysmap("SPIBAR", phys_spibar, 0x1000); if (spibar == ERROR_PTR) goto _freepci_ret; msg_pdbg("SPIBAR = 0x%0*" PRIxPTR " (phys = 0x%08"PRIx32")\n", PRIxPTR_WIDTH, (uintptr_t)spibar, phys_spibar); /* This adds BUS_SPI */ const int ret_spi = ich_init_spi(cfg, spibar, pch_generation); if (ret_spi != ERROR_FLASHROM_FATAL) { if (ret_bc || ret_spi) ret = ERROR_FLASHROM_NONFATAL; else ret = 0; } /* Suppress unknown laptop warning if we booted from SPI. */ if (!ret && (boot_buses & BUS_SPI)) cfg->bcfg->laptop_ok = true; _freepci_ret: pci_free_dev(spi_dev); pacc = saved_pacc; return ret; } static int enable_flash_pch100(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x1f, 5, CHIPSET_100_SERIES_SUNRISE_POINT); } static int enable_flash_c620(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x1f, 5, CHIPSET_C620_SERIES_LEWISBURG); } static int enable_flash_c740(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x1f, 5, CHIPSET_C740_SERIES_EMMITSBURG); } static int enable_flash_pch300(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x1f, 5, CHIPSET_300_SERIES_CANNON_POINT); } static int enable_flash_pch400(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x1f, 5, CHIPSET_400_SERIES_COMET_POINT); } static int enable_flash_pch500(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x1f, 5, CHIPSET_500_SERIES_TIGER_POINT); } static int enable_flash_pch600(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x1f, 5, CHIPSET_600_SERIES_ALDER_POINT); } static int enable_flash_mtl(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x1f, 5, CHIPSET_METEOR_LAKE); } static int enable_flash_ptl(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x1f, 5, CHIPSET_PANTHER_LAKE); } static int enable_flash_mcc(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x1f, 5, CHIPSET_ELKHART_LAKE); } static int enable_flash_jsl(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x1f, 5, CHIPSET_JASPER_LAKE); } static int enable_flash_apl(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x0d, 2, CHIPSET_APOLLO_LAKE); } static int enable_flash_glk(const struct programmer_cfg *cfg, struct pci_dev *const dev, const char *const name) { return enable_flash_pch100_or_c620(cfg, dev, name, 0x0d, 2, CHIPSET_GEMINI_LAKE); } /* Silvermont architecture: Bay Trail(-T/-I), Avoton/Rangeley. * These have a distinctly different behavior compared to other Intel chipsets and hence are handled separately. * * Differences include: * - RCBA at LPC config 0xF0 too but mapped range is only 4 B long instead of 16 kB. * - GCS at [RCRB] + 0 (instead of [RCRB] + 0x3410). * - TS (Top Swap) in GCS (instead of [RCRB] + 0x3414). * - SPIBAR (coined SBASE) at LPC config 0x54 (instead of [RCRB] + 0x3800). * - BIOS_CNTL (coined BCR) at [SPIBAR] + 0xFC (instead of LPC config 0xDC). */ static int enable_flash_silvermont(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { enum ich_chipset ich_generation = CHIPSET_BAYTRAIL; /* Get physical address of Root Complex Register Block */ uint32_t rcba = pci_read_long(dev, 0xf0) & 0xfffffc00; msg_pdbg("Root Complex Register Block address = 0x%"PRIx32"\n", rcba); /* Handle GCS (in RCRB) */ void *rcrb = physmap("BYT RCRB", rcba, 4); if (rcrb == ERROR_PTR) return ERROR_FLASHROM_FATAL; const enum chipbustype boot_buses = enable_flash_ich_report_gcs(dev, ich_generation, rcrb); physunmap(rcrb, 4); /* Handle fwh_idsel parameter */ int ret_fwh = enable_flash_ich_fwh_decode(cfg, dev, ich_generation); if (ret_fwh == ERROR_FLASHROM_FATAL) return ret_fwh; internal_buses_supported &= BUS_FWH; /* Get physical address of SPI Base Address and map it */ uint32_t sbase = pci_read_long(dev, 0x54) & 0xfffffe00; msg_pdbg("SPI_BASE_ADDRESS = 0x%"PRIx32"\n", sbase); void *spibar = rphysmap("BYT SBASE", sbase, 512); /* Last defined address on Bay Trail is 0x100 */ if (spibar == ERROR_PTR) return ERROR_FLASHROM_FATAL; /* Enable Flash Writes. * Silvermont-based: BCR at SBASE + 0xFC (some bits of BCR are also accessible via BC at IBASE + 0x1C). */ enable_flash_ich_bios_cntl_memmapped(ich_generation, spibar + 0xFC); int ret_spi = ich_init_spi(cfg, spibar, ich_generation); if (ret_spi == ERROR_FLASHROM_FATAL) return ret_spi; if (((boot_buses & BUS_FWH) && ret_fwh) || ((boot_buses & BUS_SPI) && ret_spi)) return ERROR_FLASHROM_NONFATAL; /* Suppress unknown laptop warning if we booted from SPI. */ if (boot_buses & BUS_SPI) cfg->bcfg->laptop_ok = true; return 0; } static int via_no_byte_merge(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t val; val = pci_read_byte(dev, 0x71); if (val & 0x40) { msg_pdbg("Disabling byte merging\n"); val &= ~0x40; rpci_write_byte(dev, 0x71, val); } return NOT_DONE_YET; /* need to find south bridge, too */ } static int enable_flash_vt823x(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t val; /* Enable ROM decode range (1MB) FFC00000 - FFFFFFFF. */ rpci_write_byte(dev, 0x41, 0x7f); /* ROM write enable */ val = pci_read_byte(dev, 0x40); val |= 0x10; rpci_write_byte(dev, 0x40, val); if (pci_read_byte(dev, 0x40) != val) { msg_pwarn("\nWarning: Failed to enable flash write on \"%s\"\n", name); return -1; } if (dev->device_id == 0x3227) { /* VT8237/VT8237R */ /* All memory cycles, not just ROM ones, go to LPC. */ val = pci_read_byte(dev, 0x59); val &= ~0x80; rpci_write_byte(dev, 0x59, val); } return 0; } static int enable_flash_vt_vx(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { struct pci_dev *south_north = pcidev_find(0x1106, 0xa353); if (south_north == NULL) { msg_perr("Could not find South-North Module Interface Control device!\n"); return ERROR_FLASHROM_FATAL; } msg_pdbg("Strapped to "); if ((pci_read_byte(south_north, 0x56) & 0x01) == 0) { msg_pdbg("LPC.\n"); return enable_flash_vt823x(cfg, dev, name); } msg_pdbg("SPI.\n"); uint32_t mmio_base; void *mmio_base_physmapped; uint32_t spi_cntl; #define SPI_CNTL_LEN 0x08 uint32_t spi0_mm_base = 0; switch(dev->device_id) { case 0x8353: /* VX800/VX820 */ spi0_mm_base = pci_read_long(dev, 0xbc) << 8; if (spi0_mm_base == 0x0) { msg_pdbg ("MMIO not enabled!\n"); return ERROR_FLASHROM_FATAL; } break; case 0x8409: /* VX855/VX875 */ case 0x8410: /* VX900 */ mmio_base = pci_read_long(dev, 0xbc) << 8; if (mmio_base == 0x0) { msg_pdbg ("MMIO not enabled!\n"); return ERROR_FLASHROM_FATAL; } mmio_base_physmapped = physmap("VIA VX MMIO register", mmio_base, SPI_CNTL_LEN); if (mmio_base_physmapped == ERROR_PTR) return ERROR_FLASHROM_FATAL; /* Offset 0 - Bit 0 holds SPI Bus0 Enable Bit. */ spi_cntl = mmio_readl(mmio_base_physmapped) + 0x00; if ((spi_cntl & 0x01) == 0) { msg_pdbg ("SPI Bus0 disabled!\n"); physunmap(mmio_base_physmapped, SPI_CNTL_LEN); return ERROR_FLASHROM_FATAL; } /* Offset 1-3 has SPI Bus Memory Map Base Address: */ spi0_mm_base = spi_cntl & 0xFFFFFF00; /* Offset 4 - Bit 0 holds SPI Bus1 Enable Bit. */ spi_cntl = mmio_readl(mmio_base_physmapped) + 0x04; if ((spi_cntl & 0x01) == 1) msg_pdbg2("SPI Bus1 is enabled too.\n"); physunmap(mmio_base_physmapped, SPI_CNTL_LEN); break; default: msg_perr("%s: Unsupported chipset %x:%x!\n", __func__, dev->vendor_id, dev->device_id); return ERROR_FLASHROM_FATAL; } return via_init_spi(spi0_mm_base); } static int enable_flash_vt8237s_spi(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { return via_init_spi(pci_read_long(dev, 0xbc) << 8); } static int enable_flash_cs5530(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t reg8; #define DECODE_CONTROL_REG2 0x5b /* F0 index 0x5b */ #define ROM_AT_LOGIC_CONTROL_REG 0x52 /* F0 index 0x52 */ #define CS5530_RESET_CONTROL_REG 0x44 /* F0 index 0x44 */ #define CS5530_USB_SHADOW_REG 0x43 /* F0 index 0x43 */ #define LOWER_ROM_ADDRESS_RANGE (1 << 0) #define ROM_WRITE_ENABLE (1 << 1) #define UPPER_ROM_ADDRESS_RANGE (1 << 2) #define BIOS_ROM_POSITIVE_DECODE (1 << 5) #define CS5530_ISA_MASTER (1 << 7) #define CS5530_ENABLE_SA2320 (1 << 2) #define CS5530_ENABLE_SA20 (1 << 6) internal_buses_supported &= BUS_PARALLEL; /* Decode 0x000E0000-0x000FFFFF (128 kB), not just 64 kB, and * decode 0xFF000000-0xFFFFFFFF (16 MB), not just 256 kB. * FIXME: Should we really touch the low mapping below 1 MB? Flashrom * ignores that region completely. * Make the configured ROM areas writable. */ reg8 = pci_read_byte(dev, ROM_AT_LOGIC_CONTROL_REG); reg8 |= LOWER_ROM_ADDRESS_RANGE; reg8 |= UPPER_ROM_ADDRESS_RANGE; reg8 |= ROM_WRITE_ENABLE; rpci_write_byte(dev, ROM_AT_LOGIC_CONTROL_REG, reg8); /* Set positive decode on ROM. */ reg8 = pci_read_byte(dev, DECODE_CONTROL_REG2); reg8 |= BIOS_ROM_POSITIVE_DECODE; rpci_write_byte(dev, DECODE_CONTROL_REG2, reg8); reg8 = pci_read_byte(dev, CS5530_RESET_CONTROL_REG); if (reg8 & CS5530_ISA_MASTER) { /* We have A0-A23 available. */ max_rom_decode.parallel = 16 * 1024 * 1024; } else { reg8 = pci_read_byte(dev, CS5530_USB_SHADOW_REG); if (reg8 & CS5530_ENABLE_SA2320) { /* We have A0-19, A20-A23 available. */ max_rom_decode.parallel = 16 * 1024 * 1024; } else if (reg8 & CS5530_ENABLE_SA20) { /* We have A0-19, A20 available. */ max_rom_decode.parallel = 2 * 1024 * 1024; } else { /* A20 and above are not active. */ max_rom_decode.parallel = 1024 * 1024; } } return 0; } /* * Geode systems write protect the BIOS via RCONFs (cache settings similar * to MTRRs). To unlock, change MSR 0x1808 top byte to 0x22. * * Geode systems also write protect the NOR flash chip itself via MSR_NORF_CTL. * To enable write to NOR Boot flash for the benefit of systems that have such * a setup, raise MSR 0x51400018 WE_CS3 (write enable Boot Flash Chip Select). */ static int enable_flash_cs5536(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { #define MSR_RCONF_DEFAULT 0x1808 #define MSR_NORF_CTL 0x51400018 msr_t msr; /* Geode only has a single core */ if (msr_setup(0)) return -1; msr = msr_read(MSR_RCONF_DEFAULT); if ((msr.hi >> 24) != 0x22) { msr.hi &= 0xfbffffff; msr_write(MSR_RCONF_DEFAULT, msr); } msr = msr_read(MSR_NORF_CTL); /* Raise WE_CS3 bit. */ msr.lo |= 0x08; msr_write(MSR_NORF_CTL, msr); msr_cleanup(); #undef MSR_RCONF_DEFAULT #undef MSR_NORF_CTL return 0; } static int enable_flash_sc1100(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { #define SC_REG 0x52 uint8_t new; rpci_write_byte(dev, SC_REG, 0xee); new = pci_read_byte(dev, SC_REG); if (new != 0xee) { /* FIXME: share this with other code? */ msg_pinfo("Setting register 0x%x to 0x%02x on %s failed (WARNING ONLY).\n", SC_REG, new, name); return -1; } return 0; } /* Works for AMD-768, AMD-8111, VIA VT82C586A/B, VIA VT82C596, VIA VT82C686A/B. * * ROM decode control register matrix * AMD-768 AMD-8111 VT82C586A/B VT82C596 VT82C686A/B * 7 FFC0_0000h–FFFF_FFFFh <- FFFE0000h-FFFEFFFFh <- <- * 6 FFB0_0000h–FFBF_FFFFh <- FFF80000h-FFFDFFFFh <- <- * 5 00E8... <- <- FFF00000h-FFF7FFFFh <- */ static int enable_flash_amd_via(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name, uint8_t decode_val) { #define AMD_MAPREG 0x43 #define AMD_ENREG 0x40 uint8_t old, new; old = pci_read_byte(dev, AMD_MAPREG); new = old | decode_val; if (new != old) { rpci_write_byte(dev, AMD_MAPREG, new); if (pci_read_byte(dev, AMD_MAPREG) != new) { msg_pwarn("Setting register 0x%x to 0x%02x on %s failed (WARNING ONLY).\n", AMD_MAPREG, new, name); } else msg_pdbg("Changed ROM decode range to 0x%02x successfully.\n", new); } /* Enable 'ROM write' bit. */ old = pci_read_byte(dev, AMD_ENREG); new = old | 0x01; if (new == old) return 0; rpci_write_byte(dev, AMD_ENREG, new); if (pci_read_byte(dev, AMD_ENREG) != new) { msg_pwarn("Setting register 0x%x to 0x%02x on %s failed (WARNING ONLY).\n", AMD_ENREG, new, name); return ERROR_FLASHROM_NONFATAL; } msg_pdbg2("Set ROM enable bit successfully.\n"); return 0; } static int enable_flash_amd_768_8111(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { /* Enable decoding of 0xFFB00000 to 0xFFFFFFFF (5 MB). */ max_rom_decode.lpc = 5 * 1024 * 1024; return enable_flash_amd_via(cfg, dev, name, 0xC0); } static int enable_flash_vt82c586(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { /* Enable decoding of 0xFFF80000 to 0xFFFFFFFF. (512 kB) */ max_rom_decode.parallel = 512 * 1024; return enable_flash_amd_via(cfg, dev, name, 0xC0); } /* Works for VT82C686A/B too. */ static int enable_flash_vt82c596(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { /* Enable decoding of 0xFFF00000 to 0xFFFFFFFF. (1 MB) */ max_rom_decode.parallel = 1024 * 1024; return enable_flash_amd_via(cfg, dev, name, 0xE0); } static int enable_flash_sb600(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint32_t prot; uint8_t reg; int ret; /* Clear ROM protect 0-3. */ for (reg = 0x50; reg < 0x60; reg += 4) { prot = pci_read_long(dev, reg); /* No protection flags for this region?*/ if ((prot & 0x3) == 0) continue; msg_pdbg("Chipset %s%sprotected flash from 0x%08"PRIx32" to 0x%08"PRIx32", unlocking...", (prot & 0x2) ? "read " : "", (prot & 0x1) ? "write " : "", (prot & 0xfffff800), (prot & 0xfffff800) + (((prot & 0x7fc) << 8) | 0x3ff)); prot &= 0xfffffffc; rpci_write_byte(dev, reg, prot); prot = pci_read_long(dev, reg); if ((prot & 0x3) != 0) { msg_perr("Disabling %s%sprotection of flash addresses from 0x%08"PRIx32" to 0x%08"PRIx32" failed.\n", (prot & 0x2) ? "read " : "", (prot & 0x1) ? "write " : "", (prot & 0xfffff800), (prot & 0xfffff800) + (((prot & 0x7fc) << 8) | 0x3ff)); continue; } msg_pdbg("done.\n"); } internal_buses_supported &= BUS_LPC | BUS_FWH; ret = sb600_probe_spi(cfg, dev); /* Read ROM strap override register. */ OUTB(0x8f, 0xcd6); reg = INB(0xcd7); reg &= 0x0e; msg_pdbg("ROM strap override is %sactive", (reg & 0x02) ? "" : "not "); if (reg & 0x02) { switch ((reg & 0x0c) >> 2) { case 0x00: msg_pdbg(": LPC"); break; case 0x01: msg_pdbg(": PCI"); break; case 0x02: msg_pdbg(": FWH"); break; case 0x03: msg_pdbg(": SPI"); break; } } msg_pdbg("\n"); /* Force enable SPI ROM in SB600 PM register. * If we enable SPI ROM here, we have to disable it after we leave. * But how can we know which ROM we are going to handle? So we have * to trade off. We only access LPC ROM if we boot via LPC ROM. And * only SPI ROM if we boot via SPI ROM. If you want to access SPI on * boards with LPC straps, you have to use the code below. */ /* OUTB(0x8f, 0xcd6); OUTB(0x0e, 0xcd7); */ return ret; } /* sets bit 0 in 0x6d */ static int enable_flash_nvidia_common(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t old, new; old = pci_read_byte(dev, 0x6d); new = old | 0x01; if (new == old) return 0; rpci_write_byte(dev, 0x6d, new); if (pci_read_byte(dev, 0x6d) != new) { msg_pinfo("Setting register 0x6d to 0x%02x on %s failed.\n", new, name); return 1; } return 0; } static int enable_flash_nvidia_nforce2(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { rpci_write_byte(dev, 0x92, 0); if (enable_flash_nvidia_common(cfg, dev, name)) return ERROR_FLASHROM_NONFATAL; else return 0; } static int enable_flash_ck804(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint32_t segctrl; uint8_t reg, old, new; unsigned int err = 0; /* 0x8A is special: it is a single byte and only one nibble is touched. */ reg = 0x8A; segctrl = pci_read_byte(dev, reg); if ((segctrl & 0x3) != 0x0) { if ((segctrl & 0xC) != 0x0) { msg_pinfo("Can not unlock existing protection in register 0x%02x.\n", reg); err++; } else { msg_pdbg("Unlocking protection in register 0x%02x... ", reg); rpci_write_byte(dev, reg, segctrl & 0xF0); segctrl = pci_read_byte(dev, reg); if ((segctrl & 0x3) != 0x0) { msg_pinfo("Could not unlock protection in register 0x%02x (new value: 0x%"PRIx32").\n", reg, segctrl); err++; } else msg_pdbg("OK\n"); } } for (reg = 0x8C; reg <= 0x94; reg += 4) { segctrl = pci_read_long(dev, reg); if ((segctrl & 0x33333333) == 0x00000000) { /* reads and writes are unlocked */ continue; } if ((segctrl & 0xCCCCCCCC) != 0x00000000) { msg_pinfo("Can not unlock existing protection in register 0x%02x.\n", reg); err++; continue; } msg_pdbg("Unlocking protection in register 0x%02x... ", reg); rpci_write_long(dev, reg, 0x00000000); segctrl = pci_read_long(dev, reg); if ((segctrl & 0x33333333) != 0x00000000) { msg_pinfo("Could not unlock protection in register 0x%02x (new value: 0x%08"PRIx32").\n", reg, segctrl); err++; } else msg_pdbg("OK\n"); } if (err > 0) { msg_pinfo("%d locks could not be disabled, disabling writes (reads may also fail).\n", err); programmer_may_write = false; } reg = 0x88; old = pci_read_byte(dev, reg); new = old | 0xC0; if (new != old) { rpci_write_byte(dev, reg, new); if (pci_read_byte(dev, reg) != new) { /* FIXME: share this with other code? */ msg_pinfo("Setting register 0x%02x to 0x%02x on %s failed.\n", reg, new, name); err++; } } if (enable_flash_nvidia_common(cfg, dev, name)) err++; if (err > 0) return ERROR_FLASHROM_NONFATAL; else return 0; } static int enable_flash_osb4(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t tmp; internal_buses_supported &= BUS_PARALLEL; tmp = INB(0xc06); tmp |= 0x1; OUTB(tmp, 0xc06); tmp = INB(0xc6f); tmp |= 0x40; OUTB(tmp, 0xc6f); return 0; } /* ATI Technologies Inc IXP SB400 PCI-ISA Bridge (rev 80) */ static int enable_flash_sb400(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t tmp; struct pci_dev *smbusdev; /* Look for the SMBus device. */ smbusdev = pcidev_find(0x1002, 0x4372); if (!smbusdev) { msg_perr("ERROR: SMBus device not found. Aborting.\n"); return ERROR_FLASHROM_FATAL; } /* Enable some SMBus stuff. */ tmp = pci_read_byte(smbusdev, 0x79); tmp |= 0x01; rpci_write_byte(smbusdev, 0x79, tmp); /* Change southbridge. */ tmp = pci_read_byte(dev, 0x48); tmp |= 0x21; rpci_write_byte(dev, 0x48, tmp); /* Now become a bit silly. */ tmp = INB(0xc6f); OUTB(tmp, 0xeb); OUTB(tmp, 0xeb); tmp |= 0x40; OUTB(tmp, 0xc6f); OUTB(tmp, 0xeb); OUTB(tmp, 0xeb); return 0; } static int enable_flash_mcp55(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t val; uint16_t wordval; /* Set the 0-16 MB enable bits. */ val = pci_read_byte(dev, 0x88); val |= 0xff; /* 256K */ rpci_write_byte(dev, 0x88, val); val = pci_read_byte(dev, 0x8c); val |= 0xff; /* 1M */ rpci_write_byte(dev, 0x8c, val); wordval = pci_read_word(dev, 0x90); wordval |= 0x7fff; /* 16M */ rpci_write_word(dev, 0x90, wordval); if (enable_flash_nvidia_common(cfg, dev, name)) return ERROR_FLASHROM_NONFATAL; else return 0; } /* * The MCP6x/MCP7x code is based on cleanroom reverse engineering. * It is assumed that LPC chips need the MCP55 code and SPI chips need the * code provided in enable_flash_mcp6x_7x_common. */ static int enable_flash_mcp6x_7x(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { int ret = 0, want_spi = 0; uint8_t val; /* dev is the ISA bridge. No idea what the stuff below does. */ val = pci_read_byte(dev, 0x8a); msg_pdbg("ISA/LPC bridge reg 0x8a contents: 0x%02x, bit 6 is %i, bit 5 " "is %i\n", val, (val >> 6) & 0x1, (val >> 5) & 0x1); switch ((val >> 5) & 0x3) { case 0x0: ret = enable_flash_mcp55(cfg, dev, name); internal_buses_supported &= BUS_LPC; msg_pdbg("Flash bus type is LPC\n"); break; case 0x2: want_spi = 1; /* SPI is added in mcp6x_spi_init if it works. * Do we really want to disable LPC in this case? */ internal_buses_supported = BUS_NONE; msg_pdbg("Flash bus type is SPI\n"); break; default: /* Should not happen. */ internal_buses_supported = BUS_NONE; msg_pwarn("Flash bus type is unknown (none)\n"); msg_pinfo("Please send the log files created by \"flashrom -p internal -o logfile\" to\n" "flashrom@flashrom.org with \"your board name: flashrom -V\" as the subject to\n" "help us finish support for your chipset. Thanks.\n"); return ERROR_FLASHROM_NONFATAL; } /* Force enable SPI and disable LPC? Not a good idea. */ #if 0 val |= (1 << 6); val &= ~(1 << 5); rpci_write_byte(dev, 0x8a, val); #endif if (mcp6x_spi_init(want_spi)) ret = 1; /* Suppress unknown laptop warning if we booted from SPI. */ if (!ret && want_spi) cfg->bcfg->laptop_ok = true; return ret; } static int enable_flash_ht1000(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { uint8_t val; /* Set the 4MB enable bit. */ val = pci_read_byte(dev, 0x41); val |= 0x0e; rpci_write_byte(dev, 0x41, val); val = pci_read_byte(dev, 0x43); val |= (1 << 4); rpci_write_byte(dev, 0x43, val); return 0; } /* * Usually on the x86 architectures (and on other PC-like platforms like some * Alphas or Itanium) the system flash is mapped right below 4G. On the AMD * Elan SC520 only a small piece of the system flash is mapped there, but the * complete flash is mapped somewhere below 1G. The position can be determined * by the BOOTCS PAR register. */ static int get_flashbase_sc520(const struct programmer_cfg *cfg, struct pci_dev *dev, const char *name) { int i, bootcs_found = 0; uint32_t parx = 0; void *mmcr; /* 1. Map MMCR */ mmcr = physmap("Elan SC520 MMCR", 0xfffef000, getpagesize()); if (mmcr == ERROR_PTR) return ERROR_FLASHROM_FATAL; /* 2. Scan PAR0 (0x88) - PAR15 (0xc4) for * BOOTCS region (PARx[31:29] = 100b)e */ for (i = 0x88; i <= 0xc4; i += 4) { parx = mmio_readl(mmcr + i); if ((parx >> 29) == 4) { bootcs_found = 1; break; /* BOOTCS found */ } } /* 3. PARx[25] = 1b --> flashbase[29:16] = PARx[13:0] * PARx[25] = 0b --> flashbase[29:12] = PARx[17:0] */ if (bootcs_found) { if (parx & (1 << 25)) { parx &= (1 << 14) - 1; /* Mask [13:0] */ flashbase = parx << 16; } else { parx &= (1 << 18) - 1; /* Mask [17:0] */ flashbase = parx << 12; } } else { msg_pinfo("AMD Elan SC520 detected, but no BOOTCS. " "Assuming flash at 4G.\n"); } /* 4. Clean up */ physunmap(mmcr, getpagesize()); return 0; } #endif #define B_P (BUS_PARALLEL) #define B_PFL (BUS_NONSPI) #define B_PFLS (BUS_NONSPI | BUS_SPI) #define B_FL (BUS_FWH | BUS_LPC) #define B_FLS (BUS_FWH | BUS_LPC | BUS_SPI) #define B_FS (BUS_FWH | BUS_SPI) #define B_L (BUS_LPC) #define B_LS (BUS_LPC | BUS_SPI) #define B_S (BUS_SPI) /* Please keep this list numerically sorted by vendor/device ID. */ const struct penable chipset_enables[] = { #if defined(__i386__) || defined(__x86_64__) {0x1002, 0x4377, B_PFL, OK, "ATI", "SB400", enable_flash_sb400}, {0x1002, 0x438d, B_FLS, OK, "AMD", "SB600", enable_flash_sb600}, {0x1002, 0x439d, B_FLS, OK, "AMD", "SB7x0/SB8x0/SB9x0", enable_flash_sb600}, {0x100b, 0x0510, B_PFL, NT, "AMD", "SC1100", enable_flash_sc1100}, {0x1022, 0x2080, B_PFL, OK, "AMD", "CS5536", enable_flash_cs5536}, {0x1022, 0x2090, B_PFL, OK, "AMD", "CS5536", enable_flash_cs5536}, {0x1022, 0x3000, B_PFL, OK, "AMD", "Elan SC520", get_flashbase_sc520}, {0x1022, 0x7440, B_PFL, OK, "AMD", "AMD-768", enable_flash_amd_768_8111}, {0x1022, 0x7468, B_PFL, OK, "AMD", "AMD-8111", enable_flash_amd_768_8111}, {0x1022, 0x780e, B_FLS, OK, "AMD", "FCH", enable_flash_sb600}, {0x1022, 0x790e, B_FLS, OK, "AMD", "FP4", enable_flash_sb600}, {0x1039, 0x0406, B_PFL, NT, "SiS", "501/5101/5501", enable_flash_sis501}, {0x1039, 0x0496, B_PFL, NT, "SiS", "85C496+497", enable_flash_sis85c496}, {0x1039, 0x0530, B_PFL, OK, "SiS", "530", enable_flash_sis530}, {0x1039, 0x0540, B_PFL, NT, "SiS", "540", enable_flash_sis540}, {0x1039, 0x0620, B_PFL, NT, "SiS", "620", enable_flash_sis530}, {0x1039, 0x0630, B_PFL, OK, "SiS", "630", enable_flash_sis540}, {0x1039, 0x0635, B_PFL, NT, "SiS", "635", enable_flash_sis540}, {0x1039, 0x0640, B_PFL, NT, "SiS", "640", enable_flash_sis540}, {0x1039, 0x0645, B_PFL, NT, "SiS", "645", enable_flash_sis540}, {0x1039, 0x0646, B_PFL, OK, "SiS", "645DX", enable_flash_sis540}, {0x1039, 0x0648, B_PFL, OK, "SiS", "648", enable_flash_sis540}, {0x1039, 0x0650, B_PFL, OK, "SiS", "650", enable_flash_sis540}, {0x1039, 0x0651, B_PFL, OK, "SiS", "651", enable_flash_sis540}, {0x1039, 0x0655, B_PFL, NT, "SiS", "655", enable_flash_sis540}, {0x1039, 0x0661, B_PFL, OK, "SiS", "661", enable_flash_sis540}, {0x1039, 0x0730, B_PFL, OK, "SiS", "730", enable_flash_sis540}, {0x1039, 0x0733, B_PFL, NT, "SiS", "733", enable_flash_sis540}, {0x1039, 0x0735, B_PFL, OK, "SiS", "735", enable_flash_sis540}, {0x1039, 0x0740, B_PFL, NT, "SiS", "740", enable_flash_sis540}, {0x1039, 0x0741, B_PFL, OK, "SiS", "741", enable_flash_sis540}, {0x1039, 0x0745, B_PFL, OK, "SiS", "745", enable_flash_sis540}, {0x1039, 0x0746, B_PFL, NT, "SiS", "746", enable_flash_sis540}, {0x1039, 0x0748, B_PFL, NT, "SiS", "748", enable_flash_sis540}, {0x1039, 0x0755, B_PFL, OK, "SiS", "755", enable_flash_sis540}, {0x1039, 0x5511, B_PFL, NT, "SiS", "5511", enable_flash_sis5511}, {0x1039, 0x5571, B_PFL, NT, "SiS", "5571", enable_flash_sis530}, {0x1039, 0x5591, B_PFL, NT, "SiS", "5591/5592", enable_flash_sis530}, {0x1039, 0x5596, B_PFL, NT, "SiS", "5596", enable_flash_sis5511}, {0x1039, 0x5597, B_PFL, NT, "SiS", "5597/5598/5581/5120", enable_flash_sis530}, {0x1039, 0x5600, B_PFL, NT, "SiS", "600", enable_flash_sis530}, {0x1078, 0x0100, B_P, OK, "AMD", "CS5530(A)", enable_flash_cs5530}, {0x10b9, 0x1533, B_PFL, OK, "ALi", "M1533", enable_flash_ali_m1533}, {0x10de, 0x0030, B_PFL, OK, "NVIDIA", "nForce4/MCP4", enable_flash_nvidia_nforce2}, {0x10de, 0x0050, B_PFL, OK, "NVIDIA", "CK804", enable_flash_ck804}, /* LPC */ {0x10de, 0x0051, B_PFL, OK, "NVIDIA", "CK804", enable_flash_ck804}, /* Pro */ {0x10de, 0x0060, B_PFL, OK, "NVIDIA", "NForce2", enable_flash_nvidia_nforce2}, {0x10de, 0x00e0, B_PFL, OK, "NVIDIA", "NForce3", enable_flash_nvidia_nforce2}, /* Slave, should not be here, to fix known bug for A01. */ {0x10de, 0x00d3, B_PFL, OK, "NVIDIA", "CK804", enable_flash_ck804}, {0x10de, 0x0260, B_PFL, OK, "NVIDIA", "MCP51", enable_flash_ck804}, {0x10de, 0x0261, B_PFL, OK, "NVIDIA", "MCP51", enable_flash_ck804}, {0x10de, 0x0262, B_PFL, NT, "NVIDIA", "MCP51", enable_flash_ck804}, {0x10de, 0x0263, B_PFL, NT, "NVIDIA", "MCP51", enable_flash_ck804}, {0x10de, 0x0360, B_L, OK, "NVIDIA", "MCP55", enable_flash_mcp55}, /* M57SLI*/ /* 10de:0361 is present in Tyan S2915 OEM systems, but not connected to * the flash chip. Instead, 10de:0364 is connected to the flash chip. * Until we have PCI device class matching or some fallback mechanism, * this is needed to get flashrom working on Tyan S2915 and maybe other * dual-MCP55 boards. */ #if 0 {0x10de, 0x0361, B_L, NT, "NVIDIA", "MCP55", enable_flash_mcp55}, /* LPC */ #endif {0x10de, 0x0362, B_L, OK, "NVIDIA", "MCP55", enable_flash_mcp55}, /* LPC */ {0x10de, 0x0363, B_L, OK, "NVIDIA", "MCP55", enable_flash_mcp55}, /* LPC */ {0x10de, 0x0364, B_L, OK, "NVIDIA", "MCP55", enable_flash_mcp55}, /* LPC */ {0x10de, 0x0365, B_L, OK, "NVIDIA", "MCP55", enable_flash_mcp55}, /* LPC */ {0x10de, 0x0366, B_L, OK, "NVIDIA", "MCP55", enable_flash_mcp55}, /* LPC */ {0x10de, 0x0367, B_L, OK, "NVIDIA", "MCP55", enable_flash_mcp55}, /* Pro */ {0x10de, 0x03e0, B_LS, OK, "NVIDIA", "MCP61", enable_flash_mcp6x_7x}, {0x10de, 0x03e1, B_LS, OK, "NVIDIA", "MCP61", enable_flash_mcp6x_7x}, {0x10de, 0x03e3, B_LS, NT, "NVIDIA", "MCP61", enable_flash_mcp6x_7x}, {0x10de, 0x0440, B_LS, NT, "NVIDIA", "MCP65", enable_flash_mcp6x_7x}, {0x10de, 0x0441, B_LS, NT, "NVIDIA", "MCP65", enable_flash_mcp6x_7x}, {0x10de, 0x0442, B_LS, NT, "NVIDIA", "MCP65", enable_flash_mcp6x_7x}, {0x10de, 0x0443, B_LS, NT, "NVIDIA", "MCP65", enable_flash_mcp6x_7x}, {0x10de, 0x0548, B_LS, OK, "NVIDIA", "MCP67", enable_flash_mcp6x_7x}, {0x10de, 0x075c, B_LS, OK, "NVIDIA", "MCP78S", enable_flash_mcp6x_7x}, {0x10de, 0x075d, B_LS, OK, "NVIDIA", "MCP78S", enable_flash_mcp6x_7x}, {0x10de, 0x07d7, B_LS, OK, "NVIDIA", "MCP73", enable_flash_mcp6x_7x}, {0x10de, 0x0aac, B_LS, OK, "NVIDIA", "MCP79", enable_flash_mcp6x_7x}, {0x10de, 0x0aad, B_LS, NT, "NVIDIA", "MCP79", enable_flash_mcp6x_7x}, {0x10de, 0x0aae, B_LS, NT, "NVIDIA", "MCP79", enable_flash_mcp6x_7x}, {0x10de, 0x0aaf, B_LS, NT, "NVIDIA", "MCP79", enable_flash_mcp6x_7x}, {0x10de, 0x0d80, B_LS, NT, "NVIDIA", "MCP89", enable_flash_mcp6x_7x}, /* VIA northbridges */ {0x1106, 0x0585, B_PFLS, NT, "VIA", "VT82C585VPX", via_no_byte_merge}, {0x1106, 0x0595, B_PFLS, NT, "VIA", "VT82C595", via_no_byte_merge}, {0x1106, 0x0597, B_PFLS, NT, "VIA", "VT82C597", via_no_byte_merge}, {0x1106, 0x0601, B_PFLS, NT, "VIA", "VT8601/VT8601A", via_no_byte_merge}, {0x1106, 0x0691, B_PFLS, OK, "VIA", "VT82C69x", via_no_byte_merge}, {0x1106, 0x8601, B_PFLS, NT, "VIA", "VT8601T", via_no_byte_merge}, /* VIA southbridges */ {0x1106, 0x0586, B_PFL, OK, "VIA", "VT82C586A/B", enable_flash_vt82c586}, {0x1106, 0x0596, B_PFL, OK, "VIA", "VT82C596", enable_flash_vt82c596}, {0x1106, 0x0686, B_PFL, OK, "VIA", "VT82C686A/B", enable_flash_vt82c596}, {0x1106, 0x3074, B_FL, OK, "VIA", "VT8233", enable_flash_vt823x}, {0x1106, 0x3147, B_FL, OK, "VIA", "VT8233A", enable_flash_vt823x}, {0x1106, 0x3177, B_FL, OK, "VIA", "VT8235", enable_flash_vt823x}, {0x1106, 0x3227, B_FL, OK, "VIA", "VT8237(R)", enable_flash_vt823x}, {0x1106, 0x3287, B_FL, OK, "VIA", "VT8251", enable_flash_vt823x}, {0x1106, 0x3337, B_FL, OK, "VIA", "VT8237A", enable_flash_vt823x}, {0x1106, 0x3372, B_LS, OK, "VIA", "VT8237S", enable_flash_vt8237s_spi}, {0x1106, 0x8231, B_FL, NT, "VIA", "VT8231", enable_flash_vt823x}, {0x1106, 0x8324, B_FL, OK, "VIA", "CX700", enable_flash_vt823x}, {0x1106, 0x8353, B_FLS, NT, "VIA", "VX800/VX820", enable_flash_vt_vx}, {0x1106, 0x8409, B_FLS, OK, "VIA", "VX855/VX875", enable_flash_vt_vx}, {0x1106, 0x8410, B_FLS, OK, "VIA", "VX900", enable_flash_vt_vx}, {0x1166, 0x0200, B_P, OK, "Broadcom", "OSB4", enable_flash_osb4}, {0x1166, 0x0205, B_PFL, OK, "Broadcom", "HT-1000", enable_flash_ht1000}, {0x17f3, 0x6030, B_PFL, OK, "RDC", "R8610/R3210", enable_flash_rdc_r8610}, {0x8086, 0x0c60, B_FS, NT, "Intel", "S12x0", enable_flash_s12x0}, {0x8086, 0x0f1c, B_FS, OK, "Intel", "Bay Trail", enable_flash_silvermont}, {0x8086, 0x0f1d, B_FS, NT, "Intel", "Bay Trail", enable_flash_silvermont}, {0x8086, 0x0f1e, B_FS, NT, "Intel", "Bay Trail", enable_flash_silvermont}, {0x8086, 0x0f1f, B_FS, NT, "Intel", "Bay Trail", enable_flash_silvermont}, {0x8086, 0x122e, B_P, OK, "Intel", "PIIX", enable_flash_piix4}, {0x8086, 0x1234, B_P, NT, "Intel", "MPIIX", enable_flash_piix4}, {0x8086, 0x1c44, B_FS, DEP, "Intel", "Z68", enable_flash_pch6}, {0x8086, 0x1c46, B_FS, DEP, "Intel", "P67", enable_flash_pch6}, {0x8086, 0x1c47, B_FS, NT, "Intel", "UM67", enable_flash_pch6}, {0x8086, 0x1c49, B_FS, DEP, "Intel", "HM65", enable_flash_pch6}, {0x8086, 0x1c4a, B_FS, DEP, "Intel", "H67", enable_flash_pch6}, {0x8086, 0x1c4b, B_FS, NT, "Intel", "HM67", enable_flash_pch6}, {0x8086, 0x1c4c, B_FS, NT, "Intel", "Q65", enable_flash_pch6}, {0x8086, 0x1c4d, B_FS, DEP, "Intel", "QS67", enable_flash_pch6}, {0x8086, 0x1c4e, B_FS, DEP, "Intel", "Q67", enable_flash_pch6}, {0x8086, 0x1c4f, B_FS, DEP, "Intel", "QM67", enable_flash_pch6}, {0x8086, 0x1c50, B_FS, NT, "Intel", "B65", enable_flash_pch6}, {0x8086, 0x1c52, B_FS, NT, "Intel", "C202", enable_flash_pch6}, {0x8086, 0x1c54, B_FS, DEP, "Intel", "C204", enable_flash_pch6}, {0x8086, 0x1c56, B_FS, NT, "Intel", "C206", enable_flash_pch6}, {0x8086, 0x1c5c, B_FS, DEP, "Intel", "H61", enable_flash_pch6}, {0x8086, 0x1d40, B_FS, DEP, "Intel", "C60x/X79", enable_flash_pch6}, {0x8086, 0x1d41, B_FS, DEP, "Intel", "C60x/X79", enable_flash_pch6}, {0x8086, 0x1e41, B_FS, DEP, "Intel", "Desktop Sample", enable_flash_pch7}, {0x8086, 0x1e42, B_FS, DEP, "Intel", "Mobile Sample", enable_flash_pch7}, {0x8086, 0x1e43, B_FS, DEP, "Intel", "SFF Sample", enable_flash_pch7}, {0x8086, 0x1e44, B_FS, DEP, "Intel", "Z77", enable_flash_pch7}, {0x8086, 0x1e46, B_FS, NT, "Intel", "Z75", enable_flash_pch7}, {0x8086, 0x1e47, B_FS, DEP, "Intel", "Q77", enable_flash_pch7}, {0x8086, 0x1e48, B_FS, DEP, "Intel", "Q75", enable_flash_pch7}, {0x8086, 0x1e49, B_FS, DEP, "Intel", "B75", enable_flash_pch7}, {0x8086, 0x1e4a, B_FS, DEP, "Intel", "H77", enable_flash_pch7}, {0x8086, 0x1e53, B_FS, DEP, "Intel", "C216", enable_flash_pch7}, {0x8086, 0x1e55, B_FS, DEP, "Intel", "QM77", enable_flash_pch7}, {0x8086, 0x1e56, B_FS, DEP, "Intel", "QS77", enable_flash_pch7}, {0x8086, 0x1e57, B_FS, DEP, "Intel", "HM77", enable_flash_pch7}, {0x8086, 0x1e58, B_FS, NT, "Intel", "UM77", enable_flash_pch7}, {0x8086, 0x1e59, B_FS, DEP, "Intel", "HM76", enable_flash_pch7}, {0x8086, 0x1e5d, B_FS, DEP, "Intel", "HM75", enable_flash_pch7}, {0x8086, 0x1e5e, B_FS, NT, "Intel", "HM70", enable_flash_pch7}, {0x8086, 0x1e5f, B_FS, DEP, "Intel", "NM70", enable_flash_pch7}, {0x8086, 0x1f38, B_FS, DEP, "Intel", "Avoton/Rangeley", enable_flash_silvermont}, {0x8086, 0x1f39, B_FS, NT, "Intel", "Avoton/Rangeley", enable_flash_silvermont}, {0x8086, 0x1f3a, B_FS, NT, "Intel", "Avoton/Rangeley", enable_flash_silvermont}, {0x8086, 0x1f3b, B_FS, NT, "Intel", "Avoton/Rangeley", enable_flash_silvermont}, {0x8086, 0x229c, B_FS, OK, "Intel", "Braswell", enable_flash_silvermont}, {0x8086, 0x2310, B_FS, NT, "Intel", "DH89xxCC (Cave Creek)", enable_flash_pch7}, {0x8086, 0x2390, B_FS, NT, "Intel", "Coleto Creek", enable_flash_pch7}, {0x8086, 0x2410, B_FL, OK, "Intel", "ICH", enable_flash_ich0}, {0x8086, 0x2420, B_FL, OK, "Intel", "ICH0", enable_flash_ich0}, {0x8086, 0x2440, B_FL, OK, "Intel", "ICH2", enable_flash_ich2345}, {0x8086, 0x244c, B_FL, OK, "Intel", "ICH2-M", enable_flash_ich2345}, {0x8086, 0x2450, B_FL, NT, "Intel", "C-ICH", enable_flash_ich2345}, {0x8086, 0x2480, B_FL, OK, "Intel", "ICH3-S", enable_flash_ich2345}, {0x8086, 0x248c, B_FL, OK, "Intel", "ICH3-M", enable_flash_ich2345}, {0x8086, 0x24c0, B_FL, OK, "Intel", "ICH4/ICH4-L", enable_flash_ich2345}, {0x8086, 0x24cc, B_FL, OK, "Intel", "ICH4-M", enable_flash_ich2345}, {0x8086, 0x24d0, B_FL, OK, "Intel", "ICH5/ICH5R", enable_flash_ich2345}, {0x8086, 0x25a1, B_FL, OK, "Intel", "6300ESB", enable_flash_ich2345}, {0x8086, 0x2640, B_FL, OK, "Intel", "ICH6/ICH6R", enable_flash_ich6}, {0x8086, 0x2641, B_FL, OK, "Intel", "ICH6-M", enable_flash_ich6}, {0x8086, 0x2642, B_FL, NT, "Intel", "ICH6W/ICH6RW", enable_flash_ich6}, {0x8086, 0x2670, B_FL, OK, "Intel", "631xESB/632xESB/3100", enable_flash_ich6}, {0x8086, 0x27b0, B_FS, OK, "Intel", "ICH7DH", enable_flash_ich7}, {0x8086, 0x27b8, B_FS, OK, "Intel", "ICH7/ICH7R", enable_flash_ich7}, {0x8086, 0x27b9, B_FS, OK, "Intel", "ICH7M", enable_flash_ich7}, {0x8086, 0x27bc, B_FS, OK, "Intel", "NM10", enable_flash_ich7}, {0x8086, 0x27bd, B_FS, OK, "Intel", "ICH7MDH", enable_flash_ich7}, {0x8086, 0x2810, B_FS, DEP, "Intel", "ICH8/ICH8R", enable_flash_ich8}, {0x8086, 0x2811, B_FS, DEP, "Intel", "ICH8M-E", enable_flash_ich8}, {0x8086, 0x2812, B_FS, DEP, "Intel", "ICH8DH", enable_flash_ich8}, {0x8086, 0x2814, B_FS, DEP, "Intel", "ICH8DO", enable_flash_ich8}, {0x8086, 0x2815, B_FS, DEP, "Intel", "ICH8M", enable_flash_ich8}, {0x8086, 0x2910, B_FS, DEP, "Intel", "ICH9 Eng. Sample", enable_flash_ich9}, {0x8086, 0x2912, B_FS, DEP, "Intel", "ICH9DH", enable_flash_ich9}, {0x8086, 0x2914, B_FS, DEP, "Intel", "ICH9DO", enable_flash_ich9}, {0x8086, 0x2916, B_FS, DEP, "Intel", "ICH9R", enable_flash_ich9}, {0x8086, 0x2917, B_FS, DEP, "Intel", "ICH9M-E", enable_flash_ich9}, {0x8086, 0x2918, B_FS, DEP, "Intel", "ICH9", enable_flash_ich9}, {0x8086, 0x2919, B_FS, DEP, "Intel", "ICH9M", enable_flash_ich9}, {0x8086, 0x3a10, B_FS, NT, "Intel", "ICH10R Eng. Sample", enable_flash_ich10}, {0x8086, 0x3a14, B_FS, DEP, "Intel", "ICH10DO", enable_flash_ich10}, {0x8086, 0x3a16, B_FS, DEP, "Intel", "ICH10R", enable_flash_ich10}, {0x8086, 0x3a18, B_FS, DEP, "Intel", "ICH10", enable_flash_ich10}, {0x8086, 0x3a1a, B_FS, DEP, "Intel", "ICH10D", enable_flash_ich10}, {0x8086, 0x3a1e, B_FS, NT, "Intel", "ICH10 Eng. Sample", enable_flash_ich10}, {0x8086, 0x3b00, B_FS, NT, "Intel", "3400 Desktop", enable_flash_pch5}, {0x8086, 0x3b01, B_FS, NT, "Intel", "3400 Mobile", enable_flash_pch5}, {0x8086, 0x3b02, B_FS, NT, "Intel", "P55", enable_flash_pch5}, {0x8086, 0x3b03, B_FS, DEP, "Intel", "PM55", enable_flash_pch5}, {0x8086, 0x3b06, B_FS, DEP, "Intel", "H55", enable_flash_pch5}, {0x8086, 0x3b07, B_FS, DEP, "Intel", "QM57", enable_flash_pch5}, {0x8086, 0x3b08, B_FS, NT, "Intel", "H57", enable_flash_pch5}, {0x8086, 0x3b09, B_FS, DEP, "Intel", "HM55", enable_flash_pch5}, {0x8086, 0x3b0a, B_FS, NT, "Intel", "Q57", enable_flash_pch5}, {0x8086, 0x3b0b, B_FS, NT, "Intel", "HM57", enable_flash_pch5}, {0x8086, 0x3b0d, B_FS, NT, "Intel", "3400 Mobile SFF", enable_flash_pch5}, {0x8086, 0x3b0e, B_FS, NT, "Intel", "B55", enable_flash_pch5}, {0x8086, 0x3b0f, B_FS, DEP, "Intel", "QS57", enable_flash_pch5}, {0x8086, 0x3b12, B_FS, NT, "Intel", "3400", enable_flash_pch5}, {0x8086, 0x3b14, B_FS, DEP, "Intel", "3420", enable_flash_pch5}, {0x8086, 0x3b16, B_FS, NT, "Intel", "3450", enable_flash_pch5}, {0x8086, 0x3b1e, B_FS, NT, "Intel", "B55", enable_flash_pch5}, {0x8086, 0x5031, B_FS, OK, "Intel", "EP80579", enable_flash_ich7}, {0x8086, 0x7000, B_P, OK, "Intel", "PIIX3", enable_flash_piix4}, {0x8086, 0x7110, B_P, OK, "Intel", "PIIX4/4E/4M", enable_flash_piix4}, {0x8086, 0x7198, B_P, OK, "Intel", "440MX", enable_flash_piix4}, {0x8086, 0x8119, B_FL, OK, "Intel", "SCH Poulsbo", enable_flash_poulsbo}, {0x8086, 0x8186, B_FS, OK, "Intel", "Atom E6xx(T) (Tunnel Creek)", enable_flash_tunnelcreek}, {0x8086, 0x8c40, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c41, B_FS, NT, "Intel", "Lynx Point Mobile Eng. Sample", enable_flash_pch8}, {0x8086, 0x8c42, B_FS, NT, "Intel", "Lynx Point Desktop Eng. Sample",enable_flash_pch8}, {0x8086, 0x8c43, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c44, B_FS, DEP, "Intel", "Z87", enable_flash_pch8}, {0x8086, 0x8c45, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c46, B_FS, NT, "Intel", "Z85", enable_flash_pch8}, {0x8086, 0x8c47, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c48, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c49, B_FS, NT, "Intel", "HM86", enable_flash_pch8}, {0x8086, 0x8c4a, B_FS, DEP, "Intel", "H87", enable_flash_pch8}, {0x8086, 0x8c4b, B_FS, DEP, "Intel", "HM87", enable_flash_pch8}, {0x8086, 0x8c4c, B_FS, NT, "Intel", "Q85", enable_flash_pch8}, {0x8086, 0x8c4d, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c4e, B_FS, NT, "Intel", "Q87", enable_flash_pch8}, {0x8086, 0x8c4f, B_FS, NT, "Intel", "QM87", enable_flash_pch8}, {0x8086, 0x8c50, B_FS, DEP, "Intel", "B85", enable_flash_pch8}, {0x8086, 0x8c51, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c52, B_FS, NT, "Intel", "C222", enable_flash_pch8}, {0x8086, 0x8c53, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c54, B_FS, DEP, "Intel", "C224", enable_flash_pch8}, {0x8086, 0x8c55, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c56, B_FS, NT, "Intel", "C226", enable_flash_pch8}, {0x8086, 0x8c57, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c58, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c59, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c5a, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c5b, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c5c, B_FS, DEP, "Intel", "H81", enable_flash_pch8}, {0x8086, 0x8c5d, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c5e, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8c5f, B_FS, NT, "Intel", "Lynx Point", enable_flash_pch8}, {0x8086, 0x8cc1, B_FS, NT, "Intel", "9 Series", enable_flash_pch9}, {0x8086, 0x8cc2, B_FS, NT, "Intel", "9 Series Engineering Sample", enable_flash_pch9}, {0x8086, 0x8cc3, B_FS, NT, "Intel", "9 Series", enable_flash_pch9}, {0x8086, 0x8cc4, B_FS, DEP, "Intel", "Z97", enable_flash_pch9}, {0x8086, 0x8cc6, B_FS, DEP, "Intel", "H97", enable_flash_pch9}, {0x8086, 0x8d40, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d41, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d42, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d43, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d44, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d45, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d46, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d47, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d48, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d49, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d4a, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d4b, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d4c, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d4d, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d4e, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d4f, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d50, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d51, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d52, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d53, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d54, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d55, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d56, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d57, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d58, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d59, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d5a, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d5b, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d5c, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d5d, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d5e, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x8d5f, B_FS, NT, "Intel", "C610/X99 (Wellsburg)", enable_flash_pch8_wb}, {0x8086, 0x9c41, B_FS, NT, "Intel", "Lynx Point LP Eng. Sample", enable_flash_pch8_lp}, {0x8086, 0x9c43, B_FS, NT, "Intel", "Lynx Point LP Premium", enable_flash_pch8_lp}, {0x8086, 0x9c45, B_FS, NT, "Intel", "Lynx Point LP Mainstream", enable_flash_pch8_lp}, {0x8086, 0x9c47, B_FS, NT, "Intel", "Lynx Point LP Value", enable_flash_pch8_lp}, {0x8086, 0x9cc1, B_FS, NT, "Intel", "Haswell U Sample", enable_flash_pch9_lp}, {0x8086, 0x9cc2, B_FS, NT, "Intel", "Broadwell U Sample", enable_flash_pch9_lp}, {0x8086, 0x9cc3, B_FS, DEP, "Intel", "Broadwell U Premium", enable_flash_pch9_lp}, {0x8086, 0x9cc5, B_FS, DEP, "Intel", "Broadwell U Base", enable_flash_pch9_lp}, {0x8086, 0x9cc6, B_FS, NT, "Intel", "Broadwell Y Sample", enable_flash_pch9_lp}, {0x8086, 0x9cc7, B_FS, NT, "Intel", "Broadwell Y Premium", enable_flash_pch9_lp}, {0x8086, 0x9cc9, B_FS, NT, "Intel", "Broadwell Y Base", enable_flash_pch9_lp}, {0x8086, 0x9ccb, B_FS, NT, "Intel", "Broadwell H", enable_flash_pch9}, {0x8086, 0x9d41, B_S, NT, "Intel", "Skylake / Kaby Lake Sample", enable_flash_pch100}, {0x8086, 0x9d43, B_S, NT, "Intel", "Skylake U Base", enable_flash_pch100}, {0x8086, 0x9d46, B_S, NT, "Intel", "Skylake Y Premium", enable_flash_pch100}, {0x8086, 0x9d48, B_S, DEP, "Intel", "Skylake U Premium", enable_flash_pch100}, {0x8086, 0x9d4b, B_S, NT, "Intel", "Kaby Lake Y w/ iHDCP2.2 Prem.", enable_flash_pch100}, {0x8086, 0x9d4e, B_S, DEP, "Intel", "Kaby Lake U w/ iHDCP2.2 Prem.", enable_flash_pch100}, {0x8086, 0x9d50, B_S, NT, "Intel", "Kaby Lake U w/ iHDCP2.2 Base", enable_flash_pch100}, {0x8086, 0x9d51, B_S, NT, "Intel", "Kabe Lake w/ iHDCP2.2 Sample", enable_flash_pch100}, {0x8086, 0x9d53, B_S, NT, "Intel", "Kaby Lake U Base", enable_flash_pch100}, {0x8086, 0x9d56, B_S, NT, "Intel", "Kaby Lake Y Premium", enable_flash_pch100}, {0x8086, 0x9d58, B_S, NT, "Intel", "Kaby Lake U Premium", enable_flash_pch100}, {0x8086, 0x9d84, B_S, DEP, "Intel", "Cannon Lake U Premium", enable_flash_pch300}, {0x8086, 0x0284, B_S, DEP, "Intel", "Comet Lake U Premium", enable_flash_pch400}, {0x8086, 0x0285, B_S, DEP, "Intel", "Comet Lake U Base", enable_flash_pch400}, {0x8086, 0xa082, B_S, DEP, "Intel", "Tiger Lake U Premium", enable_flash_pch500}, {0x8086, 0xa088, B_S, DEP, "Intel", "Tiger Lake UP3", enable_flash_pch500}, {0x8086, 0xa141, B_S, NT, "Intel", "Sunrise Point Desktop Sample", enable_flash_pch100}, {0x8086, 0xa142, B_S, NT, "Intel", "Sunrise Point Unknown Sample", enable_flash_pch100}, {0x8086, 0xa143, B_S, DEP, "Intel", "H110", enable_flash_pch100}, {0x8086, 0xa144, B_S, NT, "Intel", "H170", enable_flash_pch100}, {0x8086, 0xa145, B_S, NT, "Intel", "Z170", enable_flash_pch100}, {0x8086, 0xa146, B_S, NT, "Intel", "Q170", enable_flash_pch100}, {0x8086, 0xa147, B_S, NT, "Intel", "Q150", enable_flash_pch100}, {0x8086, 0xa148, B_S, NT, "Intel", "B150", enable_flash_pch100}, {0x8086, 0xa149, B_S, NT, "Intel", "C236", enable_flash_pch100}, {0x8086, 0xa14a, B_S, NT, "Intel", "C232", enable_flash_pch100}, {0x8086, 0xa14b, B_S, NT, "Intel", "Sunrise Point Server Sample", enable_flash_pch100}, {0x8086, 0xa14d, B_S, NT, "Intel", "QM170", enable_flash_pch100}, {0x8086, 0xa14e, B_S, NT, "Intel", "HM170", enable_flash_pch100}, {0x8086, 0xa150, B_S, DEP, "Intel", "CM236", enable_flash_pch100}, {0x8086, 0xa151, B_S, NT, "Intel", "QMS180", enable_flash_pch100}, {0x8086, 0xa152, B_S, NT, "Intel", "HM175", enable_flash_pch100}, {0x8086, 0xa153, B_S, NT, "Intel", "QM175", enable_flash_pch100}, {0x8086, 0xa154, B_S, NT, "Intel", "CM238", enable_flash_pch100}, {0x8086, 0xa155, B_S, NT, "Intel", "QMU185", enable_flash_pch100}, {0x8086, 0xa1a4, B_S, DEP, "Intel", "C620 Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1c0, B_S, NT, "Intel", "C620 Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1c1, B_S, NT, "Intel", "C621 Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1c2, B_S, NT, "Intel", "C622 Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1c3, B_S, NT, "Intel", "C624 Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1c4, B_S, NT, "Intel", "C625 Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1c5, B_S, NT, "Intel", "C626 Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1c6, B_S, NT, "Intel", "C627 Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1c7, B_S, NT, "Intel", "C628 Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1c8, B_S, NT, "Intel", "C620 Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1c9, B_S, NT, "Intel", "C620 Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1ca, B_S, NT, "Intel", "C629 Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1cb, B_S, NT, "Intel", "C621A Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1cc, B_S, NT, "Intel", "C627A Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa1cd, B_S, NT, "Intel", "C629A Series Chipset (QS/PRQ)", enable_flash_c620}, {0x8086, 0xa240, B_S, NT, "Intel", "C620 Series Chipset Supersku", enable_flash_c620}, {0x8086, 0xa241, B_S, NT, "Intel", "C620 Series Chipset Supersku", enable_flash_c620}, {0x8086, 0xa242, B_S, NT, "Intel", "C624 Series Chipset Supersku", enable_flash_c620}, {0x8086, 0xa243, B_S, NT, "Intel", "C627 Series Chipset Supersku", enable_flash_c620}, {0x8086, 0xa244, B_S, NT, "Intel", "C621 Series Chipset Supersku", enable_flash_c620}, {0x8086, 0xa245, B_S, NT, "Intel", "C627 Series Chipset Supersku", enable_flash_c620}, {0x8086, 0xa246, B_S, NT, "Intel", "C628 Series Chipset Supersku", enable_flash_c620}, {0x8086, 0xa247, B_S, NT, "Intel", "C620 Series Chipset Supersku", enable_flash_c620}, {0x8086, 0xa248, B_S, NT, "Intel", "C620 Series Chipset Supersku", enable_flash_c620}, {0x8086, 0xa249, B_S, NT, "Intel", "C620 Series Chipset Supersku", enable_flash_c620}, {0x8086, 0x1bca, B_S, DEP, "Intel", "Emmitsburg Chipset SKU", enable_flash_c740}, {0x8086, 0xa2c4, B_S, NT, "Intel", "H270", enable_flash_pch100}, {0x8086, 0xa2c5, B_S, NT, "Intel", "Z270", enable_flash_pch100}, {0x8086, 0xa2c6, B_S, NT, "Intel", "Q270", enable_flash_pch100}, {0x8086, 0xa2c7, B_S, NT, "Intel", "Q250", enable_flash_pch100}, {0x8086, 0xa2c8, B_S, NT, "Intel", "B250", enable_flash_pch100}, {0x8086, 0xa2c9, B_S, NT, "Intel", "Z370", enable_flash_pch100}, {0x8086, 0xa2ca, B_S, DEP, "Intel", "H310C", enable_flash_pch100}, {0x8086, 0xa2cc, B_S, DEP, "Intel", "B365", enable_flash_pch100}, {0x8086, 0xa2d2, B_S, NT, "Intel", "X299", enable_flash_pch100}, {0x8086, 0x5ae8, B_S, DEP, "Intel", "Apollo Lake", enable_flash_apl}, {0x8086, 0x5af0, B_S, DEP, "Intel", "Apollo Lake", enable_flash_apl}, {0x8086, 0x3197, B_S, NT, "Intel", "Gemini Lake", enable_flash_glk}, {0x8086, 0x31e8, B_S, DEP, "Intel", "Gemini Lake", enable_flash_glk}, {0x8086, 0x4da4, B_S, DEP, "Intel", "Jasper Lake", enable_flash_jsl}, {0x8086, 0x4b24, B_S, DEP, "Intel", "Elkhart Lake", enable_flash_mcc}, {0x8086, 0xa303, B_S, NT, "Intel", "H310", enable_flash_pch300}, {0x8086, 0xa304, B_S, NT, "Intel", "H370", enable_flash_pch300}, {0x8086, 0xa305, B_S, DEP, "Intel", "Z390", enable_flash_pch300}, {0x8086, 0xa306, B_S, NT, "Intel", "Q370", enable_flash_pch300}, {0x8086, 0xa308, B_S, NT, "Intel", "B360", enable_flash_pch300}, {0x8086, 0xa309, B_S, DEP, "Intel", "C246", enable_flash_pch300}, {0x8086, 0xa30a, B_S, NT, "Intel", "C242", enable_flash_pch300}, {0x8086, 0xa30c, B_S, NT, "Intel", "QM370", enable_flash_pch300}, {0x8086, 0xa30d, B_S, NT, "Intel", "HM370", enable_flash_pch300}, {0x8086, 0xa30e, B_S, DEP, "Intel", "CM246", enable_flash_pch300}, {0x8086, 0x3482, B_S, DEP, "Intel", "Ice Lake U Premium", enable_flash_pch300}, {0x8086, 0xa3c8, B_S, OK, "Intel", "B460", enable_flash_pch400}, {0x8086, 0x0684, B_S, NT, "Intel", "H470", enable_flash_pch400}, {0x8086, 0x0685, B_S, NT, "Intel", "Z490", enable_flash_pch400}, {0x8086, 0x0687, B_S, NT, "Intel", "Q470", enable_flash_pch400}, {0x8086, 0x068c, B_S, NT, "Intel", "QM480", enable_flash_pch400}, {0x8086, 0x068d, B_S, NT, "Intel", "HM470", enable_flash_pch400}, {0x8086, 0x068e, B_S, NT, "Intel", "WM490", enable_flash_pch400}, {0x8086, 0x0697, B_S, NT, "Intel", "W480", enable_flash_pch400}, {0x8086, 0x4384, B_S, NT, "Intel", "Q570", enable_flash_pch500}, {0x8086, 0x4385, B_S, NT, "Intel", "Z590", enable_flash_pch500}, {0x8086, 0x4386, B_S, NT, "Intel", "H570", enable_flash_pch500}, {0x8086, 0x4387, B_S, NT, "Intel", "B560", enable_flash_pch500}, {0x8086, 0x4388, B_S, NT, "Intel", "H510", enable_flash_pch500}, {0x8086, 0x438f, B_S, NT, "Intel", "W580", enable_flash_pch500}, {0x8086, 0x4389, B_S, NT, "Intel", "WM590", enable_flash_pch500}, {0x8086, 0x438a, B_S, NT, "Intel", "QM580", enable_flash_pch500}, {0x8086, 0x438b, B_S, DEP, "Intel", "HM570", enable_flash_pch500}, {0x8086, 0x54a4, B_S, DEP, "Intel", "Alder Lake-N", enable_flash_pch600}, {0x8086, 0x51a4, B_S, DEP, "Intel", "Alder Lake-P", enable_flash_pch600}, {0x8086, 0x7a87, B_S, NT, "Intel", "H610", enable_flash_pch600}, {0x8086, 0x7a86, B_S, NT, "Intel", "B660", enable_flash_pch600}, {0x8086, 0x7a85, B_S, NT, "Intel", "H670", enable_flash_pch600}, {0x8086, 0x7a83, B_S, NT, "Intel", "Q670", enable_flash_pch600}, {0x8086, 0x7a84, B_S, DEP, "Intel", "Z690", enable_flash_pch600}, {0x8086, 0x7a88, B_S, NT, "Intel", "W680", enable_flash_pch600}, {0x8086, 0x7a8a, B_S, NT, "Intel", "W685", enable_flash_pch600}, {0x8086, 0x7a8d, B_S, NT, "Intel", "WM690", enable_flash_pch600}, {0x8086, 0x7a8c, B_S, NT, "Intel", "HM670", enable_flash_pch600}, {0x8086, 0x7e23, B_S, DEP, "Intel", "Meteor Lake-P/M", enable_flash_mtl}, {0x8086, 0xe323, B_S, DEP, "Intel", "Panther Lake-U/H 12Xe", enable_flash_ptl}, {0x8086, 0xe423, B_S, DEP, "Intel", "Panther Lake-H 4Xe", enable_flash_ptl}, #endif {0}, }; int chipset_flash_enable(const struct programmer_cfg *cfg) { struct pci_dev *dev = NULL; int ret = -2; /* Nothing! */ int i; /* Now let's try to find the chipset we have... */ for (i = 0; chipset_enables[i].vendor_name != NULL; i++) { dev = pcidev_find(chipset_enables[i].vendor_id, chipset_enables[i].device_id); if (!dev) continue; if (ret != -2) { msg_pwarn("Warning: unexpected second chipset match: " "\"%s %s\"\n" "ignoring, please report lspci and board URL " "to flashrom@flashrom.org\n" "with \'CHIPSET: your board name\' in the " "subject line.\n", chipset_enables[i].vendor_name, chipset_enables[i].device_name); continue; } msg_pinfo("Found chipset \"%s %s\"", chipset_enables[i].vendor_name, chipset_enables[i].device_name); msg_pdbg(" with PCI ID %04x:%04x", chipset_enables[i].vendor_id, chipset_enables[i].device_id); msg_pinfo(".\n"); if (chipset_enables[i].status == BAD) { msg_perr("ERROR: This chipset is not supported yet.\n"); return ERROR_FLASHROM_FATAL; } if (chipset_enables[i].status == NT) { msg_pinfo("This chipset is marked as untested. If " "you are using an up-to-date version\nof " "flashrom *and* were (not) able to " "successfully update your firmware with it,\n" "then please email a report to " "flashrom@flashrom.org including a verbose " "(-V) log.\nThank you!\n"); } if (!(chipset_enables[i].buses & (internal_buses_supported | BUS_SPI))) { msg_pdbg("Skipping chipset enable: No supported buses enabled.\n"); continue; } msg_pinfo("Enabling flash write... "); ret = chipset_enables[i].doit(cfg, dev, chipset_enables[i].device_name); if (ret == NOT_DONE_YET) { ret = -2; msg_pinfo("OK - searching further chips.\n"); } else if (ret < 0) msg_pinfo("FAILED!\n"); else if (ret == 0) msg_pinfo("OK.\n"); else if (ret == ERROR_FLASHROM_NONFATAL) msg_pinfo("PROBLEMS, continuing anyway\n"); if (ret == ERROR_FLASHROM_FATAL) { msg_perr("FATAL ERROR!\n"); return ret; } } return ret; }