diff options
Diffstat (limited to 'util/flashrom/board_enable.c')
| -rw-r--r-- | util/flashrom/board_enable.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/util/flashrom/board_enable.c b/util/flashrom/board_enable.c index f267787f44..e2a87c64b5 100644 --- a/util/flashrom/board_enable.c +++ b/util/flashrom/board_enable.c @@ -548,6 +548,51 @@ static int board_biostar_p4m80_m4(const char *name) } /** + * Winbond W83697HF Super I/O + VIA VT8235 southbridge + * + * Suited for: + * - MSI KT4V and KT4V-L: AMD K7 + VIA KT400 + VT8235 + * - MSI KT3 Ultra2: AMD K7 + VIA KT333 + VT8235 + */ +static int board_msi_kt4v(const char *name) +{ + struct pci_dev *dev; + uint8_t val; + uint32_t val2; + uint16_t port; + + dev = pci_dev_find(0x1106, 0x3177); /* VT8235 ISA bridge */ + if (!dev) { + fprintf(stderr, "\nERROR: VT823x ISA bridge not found.\n"); + return -1; + } + + val = pci_read_byte(dev, 0x59); + val &= 0x0c; + pci_write_byte(dev, 0x59, val); + + /* We need the I/O Base Address for this board's flash enable. */ + port = pci_read_word(dev, 0x88) & 0xff80; + + /* Starting at 'I/O Base + 0x4c' is the GPO Port Output Value. + * We must assert GPO12 for our enable, which is in 0x4d. + */ + val2 = INB(port + 0x4d); + val2 |= 0x10; + OUTB(val2, port + 0x4d); + + /* Raise ROM MEMW# line on Winbond W83697 Super I/O. */ + w836xx_ext_enter(0x2e); + if (!(wbsio_read(0x2e, 0x24) & 0x02)) { /* Flash ROM enabled? */ + /* Enable MEMW# and set ROM size select to max. (4M). */ + wbsio_mask(0x2e, 0x24, 0x28, 0x28); + } + w836xx_ext_leave(0x2e); + + return 0; +} + +/** * We use 2 sets of IDs here, you're free to choose which is which. This * is to provide a very high degree of certainty when matching a board on * the basis of subsystem/card IDs. As not every vendor handles @@ -581,6 +626,8 @@ struct board_pciid_enable { }; struct board_pciid_enable board_pciid_enables[] = { + {0x1106, 0x0571, 0x1462, 0x7120, 0x0000, 0x0000, 0x0000, 0x0000, + "msi", "kt4v", "MSI KT4V", board_msi_kt4v}, {0x8086, 0x1a30, 0x1043, 0x8070, 0x8086, 0x244b, 0x1043, 0x8028, NULL, NULL, "ASUS P4B266", ich2_gpio22_raise}, {0x10de, 0x0360, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |