diff options
Diffstat (limited to 'util/flashrom/board_enable.c')
| -rw-r--r-- | util/flashrom/board_enable.c | 82 |
1 files changed, 80 insertions, 2 deletions
diff --git a/util/flashrom/board_enable.c b/util/flashrom/board_enable.c index 10608adca0..27d2d01988 100644 --- a/util/flashrom/board_enable.c +++ b/util/flashrom/board_enable.c @@ -138,7 +138,7 @@ static int board_via_epia_m(const char *name) } /* - * Suited for Asus A7V8X-MX SE and A7V400-MX. + * Suited for ASUS A7V8X-MX SE and A7V400-MX. * */ @@ -170,6 +170,83 @@ static int board_asus_a7v8x_mx(const char *name) } /* + * Suited for ASUS P5A. + * + * This is rather nasty code, but there's no way to do this cleanly. + * We're basically talking to some unknown device on SMBus, my guess + * is that it is the Winbond W83781D that lives near the DIP BIOS. + */ + +static int board_asus_p5a(const char *name) +{ + uint8_t tmp; + int i; + +#define ASUSP5A_LOOP 5000 + + outb(0x00, 0xE807); + outb(0xEF, 0xE803); + + outb(0xFF, 0xE800); + + for (i = 0; i < ASUSP5A_LOOP; i++) { + outb(0xE1, 0xFF); + if (inb(0xE800) & 0x04) + break; + } + + if (i == ASUSP5A_LOOP) { + printf("%s: Unable to contact device.\n", name); + return -1; + } + + outb(0x20, 0xE801); + outb(0x20, 0xE1); + + outb(0xFF, 0xE802); + + for (i = 0; i < ASUSP5A_LOOP; i++) { + tmp = inb(0xE800); + if (tmp & 0x70) + break; + } + + if ((i == ASUSP5A_LOOP) || !(tmp & 0x10)) { + printf("%s: failed to read device.\n", name); + return -1; + } + + tmp = inb(0xE804); + tmp &= ~0x02; + + outb(0x00, 0xE807); + outb(0xEE, 0xE803); + + outb(tmp, 0xE804); + + outb(0xFF, 0xE800); + outb(0xE1, 0xFF); + + outb(0x20, 0xE801); + outb(0x20, 0xE1); + + outb(0xFF, 0xE802); + + for (i = 0; i < ASUSP5A_LOOP; i++) { + tmp = inb(0xE800); + if (tmp & 0x70) + break; + } + + if ((i == ASUSP5A_LOOP) || !(tmp & 0x10)) { + printf("%s: failed to write to device.\n", name); + return -1; + } + + return 0; +} + +/* * We use 2 sets of ids here, you're free to choose which is which. This * to provide a very high degree of certainty when matching a board on * the basis of Subsystem/card ids. As not every vendor handles @@ -211,7 +288,8 @@ struct board_pciid_enable board_pciid_enables[] = { NULL, NULL, "VIA EPIA M/MII/...", board_via_epia_m}, {0x1106, 0x3177, 0x1043, 0x80A1, 0x1106, 0x3205, 0x1043, 0x8118, NULL, NULL, "ASUS A7V8-MX SE", board_asus_a7v8x_mx}, - + {0x10B9, 0x1541, 0x0000, 0x0000, 0x10B9, 0x1533, 0x0000, 0x0000, + "asus", "p5a", "ASUS P5A", board_asus_p5a}, {0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL} /* Keep this */ }; |