diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/olpc/rev_a/auto.c | 14 | ||||
| -rw-r--r-- | src/northbridge/amd/gx2/northbridge.c | 9 |
2 files changed, 22 insertions, 1 deletions
diff --git a/src/mainboard/olpc/rev_a/auto.c b/src/mainboard/olpc/rev_a/auto.c index d61532f39e..f0cd85d042 100644 --- a/src/mainboard/olpc/rev_a/auto.c +++ b/src/mainboard/olpc/rev_a/auto.c @@ -149,7 +149,18 @@ static void msr_init(void) __builtin_wrmsr(0x40000021, 0x80fffe0, 0x20000000); } - +static void gpio_init(void) +{ + unsigned long m; + + /* Make sure events enable for gpio 12 is off */ + + m = inl(GPIOL_EVENTS_ENABLE); + m &= ~GPIOL_12_SET; + m |= GPIOL_12_CLEAR; + outl(m, GPIOL_EVENTS_ENABLE); +} + static void main(unsigned long bist) { static const struct mem_controller memctrl [] = { @@ -166,6 +177,7 @@ static void main(unsigned long bist) * for cs5536 */ cs5536_setup_onchipuart(); + gpio_init(); uart_init(); console_init(); diff --git a/src/northbridge/amd/gx2/northbridge.c b/src/northbridge/amd/gx2/northbridge.c index 82175a5a66..1bb83868e3 100644 --- a/src/northbridge/amd/gx2/northbridge.c +++ b/src/northbridge/amd/gx2/northbridge.c @@ -276,11 +276,20 @@ static void enable_shadow(device_t dev) static void northbridge_init(device_t dev) { + unsigned long m; + struct northbridge_amd_gx2_config *nb = (struct northbridge_amd_gx2_config *)dev->chip_info; printk_debug("northbridge: %s()\n", __FUNCTION__); enable_shadow(dev); irq_init_steering(dev, nb->irqmap); + + /* HACK HACK HACK HACK */ + /* 0x1000 is where GPIO is being assigned */ + m = inl(0x1038); + m &= ~GPIOL_12_SET; + m |= GPIOL_12_CLEAR; + outl(m, 0x1038); } /* due to vsa interactions, we need not not touch the nb settings ... */ |