[flashrom] [PATCH] Fix PIIX4 GPO set

[Michael Karcher]

Intel datasheet says "byte accesses only". Looks like they mean it.

Signed-off-by: Michael Karcher 
---
 board_enable.c |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/board_enable.c b/board_enable.c
index 5d89929..76b5a6a 100644
--- a/board_enable.c
+++ b/board_enable.c
@@ -578,6 +578,7 @@ static int board_artecgroup_dbe6x(const char *name)
  */
 static int intel_piix4_gpo_set(unsigned int gpo, int raise)
 {
+	unsigned int gpo_byte, gpo_bit;
    struct pci_dev *dev;
    uint32_t tmp, base;

@@ -632,12 +633,14 @@ static int intel_piix4_gpo_set(unsigned int gpo, int raise)
    /* PM IO base */
    base = pci_read_long(dev, 0x40) & 0x0000FFC0;

-	tmp = INL(base + 0x34); /* GPO register */
+	gpo_byte = gpo >> 3;
+	gpo_bit = gpo & 7;
+	tmp = INB(base + 0x34 + gpo_byte); /* GPO register */
    if (raise)
-		tmp |= 0x01 << gpo;
+		tmp |= 0x01 << gpo_bit;
    else
-		tmp |= ~(0x01 << gpo);
-	OUTL(tmp, base + 0x34);
+		tmp |= ~(0x01 << gpo_bit);
+	OUTB(tmp, base + 0x34 + gpo_byte);

return 0;
 }