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Flashrom: add support for ASUS P5A (Socket 7, ALi based). 

* Add support for the ALi M1533 to chipset_enable.c
* Add some SMBus poking needed for the ASUS P5A, to board_enable.c

Since PCI subsystem IDs are worthless with this board, people will
have to name the board directly.

Signed-off-by: Luc Verhaegen <libv@skynet.be>
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2677 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Luc Verhaegen 2007-05-20 16:16:13 +00:00 committed by Uwe Hermann
parent 9a2193e6f1
commit a56b998796
3 changed files with 96 additions and 3 deletions
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3
util/flashrom/README
View File

@ -51,7 +51,8 @@ The following boards require the specification of the board name, if
no LinuxBIOS table is found:
* IWILL DK8-HTX: use -m iwill:dk8_htx
* agami Aruma: use -m AGAMI:ARUMA
* Agami Aruma: use -m AGAMI:ARUMA
* ASUS P5A: use -m asus:p5a
ROM Layout Support

82
util/flashrom/board_enable.c
View File

@ -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.
*
*/
@ -169,6 +169,83 @@ static int board_asus_a7v8x_mx(const char *name)
return 0;
}
/*
* 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
@ -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 */
};

14
util/flashrom/chipset_enable.c
View File

@ -18,6 +18,19 @@
#include "flash.h"
#include "debug.h"
static int enable_flash_ali_m1533(struct pci_dev *dev, char *name)
{
uint8_t tmp;
/* ROM Write enable, 0xFFFC0000-0xFFFDFFFF and
0xFFFE0000-0xFFFFFFFF ROM select enable. */
tmp = pci_read_byte(dev, 0x47);
tmp |= 0x46;
pci_write_byte(dev, 0x47, tmp);
return 0;
}
static int enable_flash_sis630(struct pci_dev *dev, char *name)
{
char b;
@ -410,6 +423,7 @@ static FLASH_ENABLE enables[] = {
{0x100b, 0x0510, "SC1100", enable_flash_sc1100},
{0x1039, 0x0008, "SIS5595", enable_flash_sis5595},
{0x1022, 0x7468, "AMD8111", enable_flash_amd8111},
{0x10B9, 0x1533, "ALi M1533", enable_flash_ali_m1533},
/* this fallthrough looks broken. */
{0x10de, 0x0050, "NVIDIA CK804", enable_flash_ck804}, /* LPC */
{0x10de, 0x0051, "NVIDIA CK804", enable_flash_ck804}, /* Pro */