2 * This file is part of the flashrom project.
4 * Copyright (C) 2000 Silicon Integrated System Corporation
5 * Copyright (C) 2005-2007 coresystems GmbH <stepan@coresystems.de>
6 * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 2 of the License.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 * Contains the chipset specific flash enables.
26 #define _LARGEFILE64_SOURCE
31 #include <sys/types.h>
39 * flashrom defaults to LPC flash devices. If a known SPI controller is found
40 * and the SPI strappings are set, this will be overwritten by the probing code.
42 * Eventually, this will become an array when multiple flash support works.
45 flashbus_t flashbus = BUS_TYPE_LPC;
48 static int enable_flash_ali_m1533(struct pci_dev *dev, const char *name)
53 * ROM Write enable, 0xFFFC0000-0xFFFDFFFF and
54 * 0xFFFE0000-0xFFFFFFFF ROM select enable.
56 tmp = pci_read_byte(dev, 0x47);
58 pci_write_byte(dev, 0x47, tmp);
63 static int enable_flash_sis630(struct pci_dev *dev, const char *name)
67 /* Enable 0xFFF8000~0xFFFF0000 decoding on SiS 540/630. */
68 b = pci_read_byte(dev, 0x40);
69 pci_write_byte(dev, 0x40, b | 0xb);
71 /* Flash write enable on SiS 540/630. */
72 b = pci_read_byte(dev, 0x45);
73 pci_write_byte(dev, 0x45, b | 0x40);
75 /* The same thing on SiS 950 Super I/O side... */
77 /* First probe for Super I/O on config port 0x2e. */
83 if (INB(0x2f) != 0x87) {
84 /* If that failed, try config port 0x4e. */
89 if (INB(0x4f) != 0x87) {
90 printf("Can not access SiS 950\n");
102 printf("2f is %#x\n", INB(0x2f));
103 b = INB(0x2f) | 0xfc;
114 * - Name: 82371AB PCI-TO-ISA / IDE XCELERATOR (PIIX4)
115 * - URL: http://www.intel.com/design/intarch/datashts/290562.htm
116 * - PDF: http://www.intel.com/design/intarch/datashts/29056201.pdf
117 * - Order Number: 290562-001
119 static int enable_flash_piix4(struct pci_dev *dev, const char *name)
122 uint16_t xbcs = 0x4e; /* X-Bus Chip Select register. */
124 old = pci_read_word(dev, xbcs);
126 /* Set bit 9: 1-Meg Extended BIOS Enable (PCI master accesses to
127 * FFF00000-FFF7FFFF are forwarded to ISA).
128 * Note: This bit is reserved on PIIX/PIIX3/MPIIX.
129 * Set bit 7: Extended BIOS Enable (PCI master accesses to
130 * FFF80000-FFFDFFFF are forwarded to ISA).
131 * Set bit 6: Lower BIOS Enable (PCI master, or ISA master accesses to
132 * the lower 64-Kbyte BIOS block (E0000-EFFFF) at the top
133 * of 1 Mbyte, or the aliases at the top of 4 Gbyte
134 * (FFFE0000-FFFEFFFF) result in the generation of BIOSCS#.
135 * Note: Accesses to FFFF0000-FFFFFFFF are always forwarded to ISA.
136 * Set bit 2: BIOSCS# Write Enable (1=enable, 0=disable).
138 if (dev->device_id == 0x122e || dev->device_id == 0x7000
139 || dev->device_id == 0x1234)
140 new = old | 0x00c4; /* PIIX/PIIX3/MPIIX: Bit 9 is reserved. */
147 pci_write_word(dev, xbcs, new);
149 if (pci_read_word(dev, xbcs) != new) {
150 printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", xbcs, new, name);
158 * See ie. page 375 of "Intel I/O Controller Hub 7 (ICH7) Family Datasheet"
159 * http://download.intel.com/design/chipsets/datashts/30701303.pdf
161 static int enable_flash_ich(struct pci_dev *dev, const char *name,
167 * Note: the ICH0-ICH5 BIOS_CNTL register is actually 16 bit wide, but
168 * just treating it as 8 bit wide seems to work fine in practice.
170 old = pci_read_byte(dev, bios_cntl);
172 printf_debug("\nBIOS Lock Enable: %sabled, ",
173 (old & (1 << 1)) ? "en" : "dis");
174 printf_debug("BIOS Write Enable: %sabled, ",
175 (old & (1 << 0)) ? "en" : "dis");
176 printf_debug("BIOS_CNTL is 0x%x\n", old);
183 pci_write_byte(dev, bios_cntl, new);
185 if (pci_read_byte(dev, bios_cntl) != new) {
186 printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", bios_cntl, new, name);
193 static int enable_flash_ich_4e(struct pci_dev *dev, const char *name)
195 return enable_flash_ich(dev, name, 0x4e);
198 static int enable_flash_ich_dc(struct pci_dev *dev, const char *name)
200 return enable_flash_ich(dev, name, 0xdc);
203 #define ICH_STRAP_RSVD 0x00
204 #define ICH_STRAP_SPI 0x01
205 #define ICH_STRAP_PCI 0x02
206 #define ICH_STRAP_LPC 0x03
208 static int enable_flash_vt8237s_spi(struct pci_dev *dev, const char *name)
212 mmio_base = (pci_read_long(dev, 0xbc)) << 8;
213 printf_debug("MMIO base at = 0x%x\n", mmio_base);
214 spibar = mmap(NULL, 0x70, PROT_READ | PROT_WRITE, MAP_SHARED,
217 if (spibar == MAP_FAILED) {
218 perror("Can't mmap memory using " MEM_DEV);
222 printf_debug("0x6c: 0x%04x (CLOCK/DEBUG)\n",
223 *(uint16_t *) (spibar + 0x6c));
225 flashbus = BUS_TYPE_VIA_SPI;
230 static int enable_flash_ich_dc_spi(struct pci_dev *dev, const char *name,
234 uint8_t old, new, bbs, buc;
235 uint16_t spibar_offset, tmp2;
238 //TODO: These names are incorrect for EP80579. For that, the solution would look like the commented line
239 //static const char *straps_names[] = {"SPI", "reserved", "reserved", "LPC" };
240 static const char *straps_names[] = { "reserved", "SPI", "PCI", "LPC" };
242 /* Enable Flash Writes */
243 ret = enable_flash_ich_dc(dev, name);
245 /* Get physical address of Root Complex Register Block */
246 tmp = pci_read_long(dev, 0xf0) & 0xffffc000;
247 printf_debug("\nRoot Complex Register Block address = 0x%x\n", tmp);
249 /* Map RCBA to virtual memory */
250 rcrb = mmap(0, 0x4000, PROT_READ | PROT_WRITE, MAP_SHARED, fd_mem,
252 if (rcrb == MAP_FAILED) {
253 perror("Can't mmap memory using " MEM_DEV);
257 gcs = *(volatile uint32_t *)(rcrb + 0x3410);
258 printf_debug("GCS = 0x%x: ", gcs);
259 printf_debug("BIOS Interface Lock-Down: %sabled, ",
260 (gcs & 0x1) ? "en" : "dis");
261 bbs = (gcs >> 10) & 0x3;
262 printf_debug("BOOT BIOS Straps: 0x%x (%s)\n", bbs, straps_names[bbs]);
264 buc = *(volatile uint8_t *)(rcrb + 0x3414);
265 printf_debug("Top Swap : %s\n",
266 (buc & 1) ? "enabled (A16 inverted)" : "not enabled");
268 /* It seems the ICH7 does not support SPI and LPC chips at the same
269 * time. At least not with our current code. So we prevent searching
270 * on ICH7 when the southbridge is strapped to LPC
273 if (ich_generation == 7 && bbs == ICH_STRAP_LPC) {
274 /* No further SPI initialization required */
278 switch (ich_generation) {
280 flashbus = BUS_TYPE_ICH7_SPI;
281 spibar_offset = 0x3020;
284 flashbus = BUS_TYPE_ICH9_SPI;
285 spibar_offset = 0x3020;
289 default: /* Future version might behave the same */
290 flashbus = BUS_TYPE_ICH9_SPI;
291 spibar_offset = 0x3800;
295 /* SPIBAR is at RCRB+0x3020 for ICH[78] and RCRB+0x3800 for ICH9. */
296 printf_debug("SPIBAR = 0x%x + 0x%04x\n", tmp, spibar_offset);
298 /* Assign Virtual Address */
299 spibar = rcrb + spibar_offset;
302 case BUS_TYPE_ICH7_SPI:
303 printf_debug("0x00: 0x%04x (SPIS)\n",
304 *(uint16_t *) (spibar + 0));
305 printf_debug("0x02: 0x%04x (SPIC)\n",
306 *(uint16_t *) (spibar + 2));
307 printf_debug("0x04: 0x%08x (SPIA)\n",
308 *(uint32_t *) (spibar + 4));
309 for (i = 0; i < 8; i++) {
312 printf_debug("0x%02x: 0x%08x (SPID%d)\n", offs,
313 *(uint32_t *) (spibar + offs), i);
314 printf_debug("0x%02x: 0x%08x (SPID%d+4)\n", offs + 4,
315 *(uint32_t *) (spibar + offs + 4), i);
317 printf_debug("0x50: 0x%08x (BBAR)\n",
318 *(uint32_t *) (spibar + 0x50));
319 printf_debug("0x54: 0x%04x (PREOP)\n",
320 *(uint16_t *) (spibar + 0x54));
321 printf_debug("0x56: 0x%04x (OPTYPE)\n",
322 *(uint16_t *) (spibar + 0x56));
323 printf_debug("0x58: 0x%08x (OPMENU)\n",
324 *(uint32_t *) (spibar + 0x58));
325 printf_debug("0x5c: 0x%08x (OPMENU+4)\n",
326 *(uint32_t *) (spibar + 0x5c));
327 for (i = 0; i < 4; i++) {
329 offs = 0x60 + (i * 4);
330 printf_debug("0x%02x: 0x%08x (PBR%d)\n", offs,
331 *(uint32_t *) (spibar + offs), i);
334 if ((*(uint16_t *) spibar) & (1 << 15)) {
335 printf("WARNING: SPI Configuration Lockdown activated.\n");
338 case BUS_TYPE_ICH9_SPI:
339 tmp2 = *(uint16_t *) (spibar + 0);
340 printf_debug("0x00: 0x%04x (HSFS)\n", tmp2);
341 printf_debug("FLOCKDN %i, ", (tmp >> 15 & 1));
342 printf_debug("FDV %i, ", (tmp >> 14) & 1);
343 printf_debug("FDOPSS %i, ", (tmp >> 13) & 1);
344 printf_debug("SCIP %i, ", (tmp >> 5) & 1);
345 printf_debug("BERASE %i, ", (tmp >> 3) & 3);
346 printf_debug("AEL %i, ", (tmp >> 2) & 1);
347 printf_debug("FCERR %i, ", (tmp >> 1) & 1);
348 printf_debug("FDONE %i\n", (tmp >> 0) & 1);
350 tmp = *(uint32_t *) (spibar + 0x50);
351 printf_debug("0x50: 0x%08x (FRAP)\n", tmp);
352 printf_debug("BMWAG %i, ", (tmp >> 24) & 0xff);
353 printf_debug("BMRAG %i, ", (tmp >> 16) & 0xff);
354 printf_debug("BRWA %i, ", (tmp >> 8) & 0xff);
355 printf_debug("BRRA %i\n", (tmp >> 0) & 0xff);
357 printf_debug("0x54: 0x%08x (FREG0)\n",
358 *(uint32_t *) (spibar + 0x54));
359 printf_debug("0x58: 0x%08x (FREG1)\n",
360 *(uint32_t *) (spibar + 0x58));
361 printf_debug("0x5C: 0x%08x (FREG2)\n",
362 *(uint32_t *) (spibar + 0x5C));
363 printf_debug("0x60: 0x%08x (FREG3)\n",
364 *(uint32_t *) (spibar + 0x60));
365 printf_debug("0x64: 0x%08x (FREG4)\n",
366 *(uint32_t *) (spibar + 0x64));
367 printf_debug("0x74: 0x%08x (PR0)\n",
368 *(uint32_t *) (spibar + 0x74));
369 printf_debug("0x78: 0x%08x (PR1)\n",
370 *(uint32_t *) (spibar + 0x78));
371 printf_debug("0x7C: 0x%08x (PR2)\n",
372 *(uint32_t *) (spibar + 0x7C));
373 printf_debug("0x80: 0x%08x (PR3)\n",
374 *(uint32_t *) (spibar + 0x80));
375 printf_debug("0x84: 0x%08x (PR4)\n",
376 *(uint32_t *) (spibar + 0x84));
377 /* printf_debug("0xA0: 0x%08x (BBAR)\n",
378 *(uint32_t *) (spibar + 0xA0)); ICH10 only? */
379 printf_debug("0xB0: 0x%08x (FDOC)\n",
380 *(uint32_t *) (spibar + 0xB0));
387 old = pci_read_byte(dev, 0xdc);
388 printf_debug("SPI Read Configuration: ");
389 new = (old >> 2) & 0x3;
394 printf_debug("prefetching %sabled, caching %sabled, ",
395 (new & 0x2) ? "en" : "dis",
396 (new & 0x1) ? "dis" : "en");
399 printf_debug("invalid prefetching/caching settings, ");
406 static int enable_flash_ich7(struct pci_dev *dev, const char *name)
408 return enable_flash_ich_dc_spi(dev, name, 7);
411 static int enable_flash_ich8(struct pci_dev *dev, const char *name)
413 return enable_flash_ich_dc_spi(dev, name, 8);
416 static int enable_flash_ich9(struct pci_dev *dev, const char *name)
418 return enable_flash_ich_dc_spi(dev, name, 9);
421 static int enable_flash_ich10(struct pci_dev *dev, const char *name)
423 return enable_flash_ich_dc_spi(dev, name, 10);
426 static int enable_flash_vt823x(struct pci_dev *dev, const char *name)
430 /* enable ROM decode range (1MB) FFC00000 - FFFFFFFF */
431 pci_write_byte(dev, 0x41, 0x7f);
433 /* ROM write enable */
434 val = pci_read_byte(dev, 0x40);
436 pci_write_byte(dev, 0x40, val);
438 if (pci_read_byte(dev, 0x40) != val) {
439 printf("\nWARNING: Failed to enable ROM Write on \"%s\"\n",
447 static int enable_flash_cs5530(struct pci_dev *dev, const char *name)
451 #define DECODE_CONTROL_REG2 0x5b /* F0 index 0x5b */
452 #define ROM_AT_LOGIC_CONTROL_REG 0x52 /* F0 index 0x52 */
454 #define LOWER_ROM_ADDRESS_RANGE (1 << 0)
455 #define ROM_WRITE_ENABLE (1 << 1)
456 #define UPPER_ROM_ADDRESS_RANGE (1 << 2)
457 #define BIOS_ROM_POSITIVE_DECODE (1 << 5)
459 /* Decode 0x000E0000-0x000FFFFF (128 KB), not just 64 KB, and
460 * decode 0xFF000000-0xFFFFFFFF (16 MB), not just 256 KB.
461 * Make the configured ROM areas writable.
463 reg8 = pci_read_byte(dev, ROM_AT_LOGIC_CONTROL_REG);
464 reg8 |= LOWER_ROM_ADDRESS_RANGE;
465 reg8 |= UPPER_ROM_ADDRESS_RANGE;
466 reg8 |= ROM_WRITE_ENABLE;
467 pci_write_byte(dev, ROM_AT_LOGIC_CONTROL_REG, reg8);
469 /* Set positive decode on ROM. */
470 reg8 = pci_read_byte(dev, DECODE_CONTROL_REG2);
471 reg8 |= BIOS_ROM_POSITIVE_DECODE;
472 pci_write_byte(dev, DECODE_CONTROL_REG2, reg8);
478 * Geode systems write protect the BIOS via RCONFs (cache settings similar
479 * to MTRRs). To unlock, change MSR 0x1808 top byte to 0x22. Reading and
480 * writing to MSRs, however requires instructions rdmsr/wrmsr, which are
481 * ring0 privileged instructions so only the kernel can do the read/write.
482 * This function, therefore, requires that the msr kernel module be loaded
483 * to access these instructions from user space using device /dev/cpu/0/msr.
485 * This hard-coded location could have potential problems on SMP machines
486 * since it assumes cpu0, but it is safe on the Geode which is not SMP.
488 * Geode systems also write protect the NOR flash chip itself via MSR_NORF_CTL.
489 * To enable write to NOR Boot flash for the benefit of systems that have such
490 * a setup, raise MSR 0x51400018 WE_CS3 (write enable Boot Flash Chip Select).
492 * This is probably not portable beyond Linux.
494 static int enable_flash_cs5536(struct pci_dev *dev, const char *name)
496 #define MSR_RCONF_DEFAULT 0x1808
497 #define MSR_NORF_CTL 0x51400018
500 unsigned char buf[8];
502 fd_msr = open("/dev/cpu/0/msr", O_RDWR);
508 if (lseek64(fd_msr, (off64_t) MSR_RCONF_DEFAULT, SEEK_SET) == -1) {
510 printf("Cannot operate on MSR. Did you run 'modprobe msr'?\n");
515 if (read(fd_msr, buf, 8) != 8) {
521 if (buf[7] != 0x22) {
523 if (lseek64(fd_msr, (off64_t) MSR_RCONF_DEFAULT,
530 if (write(fd_msr, buf, 8) < 0) {
537 if (lseek64(fd_msr, (off64_t) MSR_NORF_CTL, SEEK_SET) == -1) {
543 if (read(fd_msr, buf, 8) != 8) {
549 /* Raise WE_CS3 bit. */
552 if (lseek64(fd_msr, (off64_t) MSR_NORF_CTL, SEEK_SET) == -1) {
557 if (write(fd_msr, buf, 8) < 0) {
565 #undef MSR_RCONF_DEFAULT
570 static int enable_flash_sc1100(struct pci_dev *dev, const char *name)
574 pci_write_byte(dev, 0x52, 0xee);
576 new = pci_read_byte(dev, 0x52);
579 printf("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n", 0x52, new, name);
586 static int enable_flash_sis5595(struct pci_dev *dev, const char *name)
590 new = pci_read_byte(dev, 0x45);
592 new &= (~0x20); /* Clear bit 5. */
593 new |= 0x4; /* Set bit 2. */
595 pci_write_byte(dev, 0x45, new);
597 newer = pci_read_byte(dev, 0x45);
599 printf("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n", 0x45, new, name);
600 printf("Stuck at 0x%x\n", newer);
604 /* Extended BIOS enable = 1, Lower BIOS Enable = 1 */
605 new = pci_read_byte(dev, 0x40);
608 pci_write_byte(dev, 0x40, new);
609 newer = pci_read_byte(dev, 0x40);
611 printf("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n", 0x40, new, name);
612 printf("Stuck at 0x%x\n", newer);
618 /* Works for AMD-8111, VIA VT82C586A/B, VIA VT82C686A/B. */
619 static int enable_flash_amd8111(struct pci_dev *dev, const char *name)
623 /* Enable decoding at 0xffb00000 to 0xffffffff. */
624 old = pci_read_byte(dev, 0x43);
627 pci_write_byte(dev, 0x43, new);
628 if (pci_read_byte(dev, 0x43) != new) {
629 printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", 0x43, new, name);
633 /* Enable 'ROM write' bit. */
634 old = pci_read_byte(dev, 0x40);
638 pci_write_byte(dev, 0x40, new);
640 if (pci_read_byte(dev, 0x40) != new) {
641 printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", 0x40, new, name);
648 static int enable_flash_sb600(struct pci_dev *dev, const char *name)
653 /* Clear ROM Protect 0-3 */
654 for (reg = 0x50; reg < 0x60; reg += 4) {
655 old = pci_read_long(dev, reg);
656 new = old & 0xFFFFFFFC;
658 pci_write_byte(dev, reg, new);
659 if (pci_read_long(dev, reg) != new) {
660 printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", 0x50, new, name);
668 static int enable_flash_ck804(struct pci_dev *dev, const char *name)
672 old = pci_read_byte(dev, 0x88);
675 pci_write_byte(dev, 0x88, new);
676 if (pci_read_byte(dev, 0x88) != new) {
677 printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", 0x88, new, name);
681 old = pci_read_byte(dev, 0x6d);
685 pci_write_byte(dev, 0x6d, new);
687 if (pci_read_byte(dev, 0x6d) != new) {
688 printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", 0x6d, new, name);
695 /* ATI Technologies Inc IXP SB400 PCI-ISA Bridge (rev 80) */
696 static int enable_flash_sb400(struct pci_dev *dev, const char *name)
700 struct pci_dev *smbusdev;
702 /* Look for the SMBus device. */
703 pci_filter_init((struct pci_access *)0, &f);
707 for (smbusdev = pacc->devices; smbusdev; smbusdev = smbusdev->next) {
708 if (pci_filter_match(&f, smbusdev))
713 fprintf(stderr, "ERROR: SMBus device not found. Aborting.\n");
717 /* Enable some SMBus stuff. */
718 tmp = pci_read_byte(smbusdev, 0x79);
720 pci_write_byte(smbusdev, 0x79, tmp);
722 /* Change southbridge. */
723 tmp = pci_read_byte(dev, 0x48);
725 pci_write_byte(dev, 0x48, tmp);
727 /* Now become a bit silly. */
739 static int enable_flash_mcp55(struct pci_dev *dev, const char *name)
741 uint8_t old, new, byte;
744 /* Set the 0-16 MB enable bits. */
745 byte = pci_read_byte(dev, 0x88);
746 byte |= 0xff; /* 256K */
747 pci_write_byte(dev, 0x88, byte);
748 byte = pci_read_byte(dev, 0x8c);
749 byte |= 0xff; /* 1M */
750 pci_write_byte(dev, 0x8c, byte);
751 word = pci_read_word(dev, 0x90);
752 word |= 0x7fff; /* 16M */
753 pci_write_word(dev, 0x90, word);
755 old = pci_read_byte(dev, 0x6d);
759 pci_write_byte(dev, 0x6d, new);
761 if (pci_read_byte(dev, 0x6d) != new) {
762 printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", 0x6d, new, name);
769 static int enable_flash_ht1000(struct pci_dev *dev, const char *name)
773 /* Set the 4MB enable bit. */
774 byte = pci_read_byte(dev, 0x41);
776 pci_write_byte(dev, 0x41, byte);
778 byte = pci_read_byte(dev, 0x43);
780 pci_write_byte(dev, 0x43, byte);
785 typedef struct penable {
786 uint16_t vendor, device;
788 int (*doit) (struct pci_dev *dev, const char *name);
791 static const FLASH_ENABLE enables[] = {
792 {0x1039, 0x0630, "SiS630", enable_flash_sis630},
793 {0x8086, 0x122e, "Intel PIIX", enable_flash_piix4},
794 {0x8086, 0x1234, "Intel MPIIX", enable_flash_piix4},
795 {0x8086, 0x7000, "Intel PIIX3", enable_flash_piix4},
796 {0x8086, 0x7110, "Intel PIIX4/4E/4M", enable_flash_piix4},
797 {0x8086, 0x7198, "Intel 440MX", enable_flash_piix4},
798 {0x8086, 0x2410, "Intel ICH", enable_flash_ich_4e},
799 {0x8086, 0x2420, "Intel ICH0", enable_flash_ich_4e},
800 {0x8086, 0x2440, "Intel ICH2", enable_flash_ich_4e},
801 {0x8086, 0x244c, "Intel ICH2-M", enable_flash_ich_4e},
802 {0x8086, 0x2480, "Intel ICH3-S", enable_flash_ich_4e},
803 {0x8086, 0x248c, "Intel ICH3-M", enable_flash_ich_4e},
804 {0x8086, 0x24c0, "Intel ICH4/ICH4-L", enable_flash_ich_4e},
805 {0x8086, 0x24cc, "Intel ICH4-M", enable_flash_ich_4e},
806 {0x8086, 0x24d0, "Intel ICH5/ICH5R", enable_flash_ich_4e},
807 {0x8086, 0x25a1, "Intel 6300ESB", enable_flash_ich_4e},
808 {0x8086, 0x2640, "Intel ICH6/ICH6R", enable_flash_ich_dc},
809 {0x8086, 0x2641, "Intel ICH6-M", enable_flash_ich_dc},
810 {0x8086, 0x5031, "Intel EP80579", enable_flash_ich7},
811 {0x8086, 0x27b0, "Intel ICH7DH", enable_flash_ich7},
812 {0x8086, 0x27b8, "Intel ICH7/ICH7R", enable_flash_ich7},
813 {0x8086, 0x27b9, "Intel ICH7M", enable_flash_ich7},
814 {0x8086, 0x27bd, "Intel ICH7MDH", enable_flash_ich7},
815 {0x8086, 0x2810, "Intel ICH8/ICH8R", enable_flash_ich8},
816 {0x8086, 0x2811, "Intel ICH8M-E", enable_flash_ich8},
817 {0x8086, 0x2812, "Intel ICH8DH", enable_flash_ich8},
818 {0x8086, 0x2814, "Intel ICH8DO", enable_flash_ich8},
819 {0x8086, 0x2815, "Intel ICH8M", enable_flash_ich8},
820 {0x8086, 0x2912, "Intel ICH9DH", enable_flash_ich9},
821 {0x8086, 0x2914, "Intel ICH9DO", enable_flash_ich9},
822 {0x8086, 0x2916, "Intel ICH9R", enable_flash_ich9},
823 {0x8086, 0x2917, "Intel ICH9M-E", enable_flash_ich9},
824 {0x8086, 0x2918, "Intel ICH9", enable_flash_ich9},
825 {0x8086, 0x2919, "Intel ICH9M", enable_flash_ich9},
826 {0x8086, 0x3a14, "Intel ICH10DO", enable_flash_ich10},
827 {0x8086, 0x3a16, "Intel ICH10R", enable_flash_ich10},
828 {0x8086, 0x3a18, "Intel ICH10", enable_flash_ich10},
829 {0x8086, 0x3a1a, "Intel ICH10D", enable_flash_ich10},
830 {0x1106, 0x8231, "VIA VT8231", enable_flash_vt823x},
831 {0x1106, 0x3177, "VIA VT8235", enable_flash_vt823x},
832 {0x1106, 0x3227, "VIA VT8237", enable_flash_vt823x},
833 {0x1106, 0x3372, "VIA VT8237S", enable_flash_vt8237s_spi},
834 {0x1106, 0x8324, "VIA CX700", enable_flash_vt823x},
835 {0x1106, 0x0586, "VIA VT82C586A/B", enable_flash_amd8111},
836 {0x1106, 0x0686, "VIA VT82C686A/B", enable_flash_amd8111},
837 {0x1078, 0x0100, "AMD CS5530(A)", enable_flash_cs5530},
838 {0x100b, 0x0510, "AMD SC1100", enable_flash_sc1100},
839 {0x1039, 0x0008, "SiS5595", enable_flash_sis5595},
840 {0x1022, 0x2080, "AMD CS5536", enable_flash_cs5536},
841 {0x1022, 0x7468, "AMD8111", enable_flash_amd8111},
842 {0x1002, 0x438D, "ATI(AMD) SB600", enable_flash_sb600},
843 {0x10B9, 0x1533, "ALi M1533", enable_flash_ali_m1533},
844 {0x10de, 0x0050, "NVIDIA CK804", enable_flash_ck804}, /* LPC */
845 {0x10de, 0x0051, "NVIDIA CK804", enable_flash_ck804}, /* Pro */
846 /* Slave, should not be here, to fix known bug for A01. */
847 {0x10de, 0x00d3, "NVIDIA CK804", enable_flash_ck804},
848 {0x10de, 0x0260, "NVIDIA MCP51", enable_flash_ck804},
849 {0x10de, 0x0261, "NVIDIA MCP51", enable_flash_ck804},
850 {0x10de, 0x0262, "NVIDIA MCP51", enable_flash_ck804},
851 {0x10de, 0x0263, "NVIDIA MCP51", enable_flash_ck804},
852 {0x10de, 0x0360, "NVIDIA MCP55", enable_flash_mcp55}, /* M57SLI*/
853 {0x10de, 0x0361, "NVIDIA MCP55", enable_flash_mcp55}, /* LPC */
854 {0x10de, 0x0362, "NVIDIA MCP55", enable_flash_mcp55}, /* LPC */
855 {0x10de, 0x0363, "NVIDIA MCP55", enable_flash_mcp55}, /* LPC */
856 {0x10de, 0x0364, "NVIDIA MCP55", enable_flash_mcp55}, /* LPC */
857 {0x10de, 0x0365, "NVIDIA MCP55", enable_flash_mcp55}, /* LPC */
858 {0x10de, 0x0366, "NVIDIA MCP55", enable_flash_mcp55}, /* LPC */
859 {0x10de, 0x0367, "NVIDIA MCP55", enable_flash_mcp55}, /* Pro */
860 {0x10de, 0x0548, "NVIDIA MCP67", enable_flash_mcp55},
861 {0x1002, 0x4377, "ATI SB400", enable_flash_sb400},
862 {0x1166, 0x0205, "Broadcom HT-1000", enable_flash_ht1000},
865 void print_supported_chipsets(void)
869 printf("\nSupported chipsets:\n\n");
871 for (i = 0; i < ARRAY_SIZE(enables); i++)
872 printf("%s (%04x:%04x)\n", enables[i].name,
873 enables[i].vendor, enables[i].device);
876 int chipset_flash_enable(void)
878 struct pci_dev *dev = 0;
879 int ret = -2; /* Nothing! */
882 /* Now let's try to find the chipset we have... */
883 for (i = 0; i < ARRAY_SIZE(enables); i++) {
884 dev = pci_dev_find(enables[i].vendor, enables[i].device);
890 printf("Found chipset \"%s\", enabling flash write... ",
893 ret = enables[i].doit(dev, enables[i].name);