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lenovo/x201: Unpower USB on undocking 

Change-Id: I9b496e8ff92ee575d0b780eab0cb45ea05506d30
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6708
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Vladimir Serbinenko 2014-08-19 00:48:39 +02:00
parent dc9cfa431e
commit f319ae40d7
3 changed files with 11 additions and 1 deletions
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2
src/mainboard/lenovo/x201/acpi/dock.asl
View File

@ -33,11 +33,13 @@ Scope (\_SB)
{
if (Arg0) {
/* connect dock */
Store (1, \GP28)
Store (1, \_SB.PCI0.LPCB.EC.DKR1)
Store (1, \_SB.PCI0.LPCB.EC.DKR2)
Store (1, \_SB.PCI0.LPCB.EC.DKR3)
} else {
/* disconnect dock */
Store (0, \GP28)
Store (0, \_SB.PCI0.LPCB.EC.DKR1)
Store (0, \_SB.PCI0.LPCB.EC.DKR2)
Store (0, \_SB.PCI0.LPCB.EC.DKR3)

8
src/mainboard/lenovo/x201/dock.c
View File

@ -42,16 +42,24 @@ void h8_mainboard_init_dock (void)
void dock_connect(void)
{
u16 gpiobase = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc;
ec_set_bit(0x02, 0);
ec_set_bit(0x1a, 0);
ec_set_bit(0xfe, 4);
outl(inl(gpiobase + 0x0c) | (1 << 28), gpiobase + 0x0c);
}
void dock_disconnect(void)
{
u16 gpiobase = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc;
ec_clr_bit(0x02, 0);
ec_clr_bit(0x1a, 0);
ec_clr_bit(0xfe, 4);
outl(inl(gpiobase + 0x0c) & ~(1 << 28), gpiobase + 0x0c);
}
int dock_present(void)

2
src/mainboard/lenovo/x201/gpio.h
View File

@ -156,7 +156,7 @@ const struct pch_gpio_set1 pch_gpio_set1_level = {
.gpio25 = GPIO_LEVEL_HIGH,
.gpio26 = GPIO_LEVEL_HIGH,
.gpio27 = GPIO_LEVEL_HIGH,
.gpio28 = GPIO_LEVEL_HIGH,
.gpio28 = GPIO_LEVEL_LOW,
.gpio29 = GPIO_LEVEL_HIGH,
.gpio30 = GPIO_LEVEL_HIGH,
.gpio31 = GPIO_LEVEL_HIGH,