chromeos: update old boards to use lb_add_gpios notation

Instead of manually filling out the lb_gpios struct,
use the newer lb_add_gpios notation, which is more
compact and less error-prone.

BUG=b:124141368
TEST=util/lint/checkpatch.pl -g origin/master..HEAD
TEST=util/abuild/abuild -B -e -y -c 50 -p none -x
BRANCH=none

Change-Id: I90795f32be5de881c94519933f36127098c184df
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32031
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Joel Kitching 2019-03-23 12:41:04 +08:00 committed by Patrick Georgi
parent f7f41a663f
commit 2e1f65545f
11 changed files with 164 additions and 393 deletions

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@ -33,53 +33,28 @@
#if ENV_RAMSTAGE
#include <boot/coreboot_tables.h>
#define GPIO_COUNT 6
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct device *dev = pcidev_on_root(0x1f, 0);
u16 gpio_base = pci_read_config16(dev, GPIOBASE) & 0xfffe;
int lidswitch = 0;
if (!gpio_base)
return;
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: GPIO active Low */
gpios->gpios[0].port = WP_GPIO;
gpios->gpios[0].polarity = ACTIVE_LOW;
gpios->gpios[0].value = !get_write_protect_state();
strncpy((char *)gpios->gpios[0].name,"write protect",
GPIO_MAX_NAME_LENGTH);
{WP_GPIO, ACTIVE_LOW, !get_write_protect_state(),
"write protect"},
/* Recovery: virtual GPIO active high */
gpios->gpios[1].port = -1;
gpios->gpios[1].polarity = ACTIVE_HIGH;
gpios->gpios[1].value = get_recovery_mode_switch();
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
/* lid switch value from EC */
gpios->gpios[3].port = -1;
gpios->gpios[3].polarity = ACTIVE_HIGH;
gpios->gpios[3].value = get_lid_switch();
strncpy((char *)gpios->gpios[3].name,"lid", GPIO_MAX_NAME_LENGTH);
printk(BIOS_DEBUG,"LID SWITCH FROM EC: %x\n", lidswitch);
{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
/* Power Button - Hardcode Low as power button may still be pressed
when read here.*/
gpios->gpios[4].port = -1;
gpios->gpios[4].polarity = ACTIVE_HIGH;
gpios->gpios[4].value = 0;
strncpy((char *)gpios->gpios[4].name,"power", GPIO_MAX_NAME_LENGTH);
/* Power Button - Hardcode Low as power button may still be
* pressed when read here.*/
{-1, ACTIVE_HIGH, 0, "power"},
/* Was VGA Option ROM loaded? */
gpios->gpios[5].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[5].polarity = ACTIVE_HIGH;
gpios->gpios[5].value = gfx_get_init_done();
strncpy((char *)gpios->gpios[5].name,"oprom", GPIO_MAX_NAME_LENGTH);
/* -1 indicates that this is a pseudo GPIO */
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
#endif

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@ -25,44 +25,21 @@
void fill_lb_gpios(struct lb_gpios *gpios)
{
int count = 0;
/* Write Protect: active low */
gpios->gpios[count].port = EXYNOS5_GPD1;
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value = gpio_get_value(GPIO_D16); // WP_GPIO
strncpy((char *)gpios->gpios[count].name, "write protect",
GPIO_MAX_NAME_LENGTH);
count++;
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: active low (WP_GPIO) */
{EXYNOS5_GPD1, ACTIVE_LOW, gpio_get_value(GPIO_D16),
"write protect"},
/* Recovery: active low */
gpios->gpios[count].port = -1;
gpios->gpios[count].polarity = ACTIVE_HIGH;
gpios->gpios[count].value = get_recovery_mode_switch();
strncpy((char *)gpios->gpios[count].name, "recovery",
GPIO_MAX_NAME_LENGTH);
count++;
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
/* Lid: active high */
gpios->gpios[count].port = EXYNOS5_GPX3;
gpios->gpios[count].polarity = ACTIVE_HIGH;
gpios->gpios[count].value = gpio_get_value(GPIO_X35); // LID_GPIO
strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH);
count++;
/* Lid: active high (LID_GPIO) */
{EXYNOS5_GPX3, ACTIVE_HIGH, gpio_get_value(GPIO_X35), "lid"},
/* Power: virtual GPIO active low */
gpios->gpios[count].port = EXYNOS5_GPX1;
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value =
gpio_get_value(GPIO_X13); // POWER_GPIO
strncpy((char *)gpios->gpios[count].name, "power",
GPIO_MAX_NAME_LENGTH);
count++;
gpios->size = sizeof(*gpios) + (count * sizeof(struct lb_gpio));
gpios->count = count;
printk(BIOS_ERR, "Added %d GPIOS size %d\n", count, gpios->size);
/* Power: virtual GPIO active low (POWER_GPIO) */
{EXYNOS5_GPX1, ACTIVE_LOW, gpio_get_value(GPIO_X13), "power"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
int get_recovery_mode_switch(void)

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@ -24,46 +24,21 @@
void fill_lb_gpios(struct lb_gpios *gpios)
{
int count = 0;
/* TBD(twarren@nvidia.com): Any analogs for these on Foster-FFD? */
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: active low */
gpios->gpios[count].port = -1;
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value = get_write_protect_state();
strncpy((char *)gpios->gpios[count].name, "write protect",
GPIO_MAX_NAME_LENGTH);
count++;
{-1, ACTIVE_LOW, get_write_protect_state(), "write protect"},
/* Recovery: active high */
gpios->gpios[count].port = -1;
gpios->gpios[count].polarity = ACTIVE_HIGH;
gpios->gpios[count].value = get_recovery_mode_switch();
strncpy((char *)gpios->gpios[count].name, "recovery",
GPIO_MAX_NAME_LENGTH);
count++;
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
/* TODO: Power: active low / high depending on board id */
gpios->gpios[count].port = GPIO(X5);
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value = -1;
strncpy((char *)gpios->gpios[count].name, "power",
GPIO_MAX_NAME_LENGTH);
count++;
{GPIO(X5), ACTIVE_LOW, -1, "power"},
/* TODO: Reset: active low (output) */
gpios->gpios[count].port = GPIO(I5);
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value = -1;
strncpy((char *)gpios->gpios[count].name, "reset",
GPIO_MAX_NAME_LENGTH);
count++;
gpios->size = sizeof(*gpios) + (count * sizeof(struct lb_gpio));
gpios->count = count;
printk(BIOS_ERR, "Added %d GPIOS size %d\n", count, gpios->size);
{GPIO(I5), ACTIVE_LOW, -1, "reset"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
int get_recovery_mode_switch(void)

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@ -22,43 +22,28 @@
#ifndef __PRE_RAM__
#include <boot/coreboot_tables.h>
#define GPIO_COUNT 6
void fill_lb_gpios(struct lb_gpios *gpios)
{
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: GPIO57 = PCH_SPI_WP_D */
gpios->gpios[0].port = 57;
gpios->gpios[0].polarity = ACTIVE_HIGH;
gpios->gpios[0].value = get_write_protect_state();
strncpy((char *)gpios->gpios[0].name,"write protect",
GPIO_MAX_NAME_LENGTH);
{57, ACTIVE_HIGH, get_write_protect_state(), "write protect"},
/* Recovery: the "switch" comes from the EC */
gpios->gpios[1].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[1].polarity = ACTIVE_HIGH;
gpios->gpios[1].value = get_recovery_mode_switch();
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
/* -1 indicates that this is a pseudo GPIO */
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
/* Lid: the "switch" comes from the EC */
gpios->gpios[2].port = -1;
gpios->gpios[2].polarity = ACTIVE_HIGH;
gpios->gpios[2].value = get_lid_switch();
strncpy((char *)gpios->gpios[2].name,"lid", GPIO_MAX_NAME_LENGTH);
{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
/* Power Button: hard-coded as not pressed; we'll detect later presses
* via SMI. */
gpios->gpios[3].port = -1;
gpios->gpios[3].polarity = ACTIVE_HIGH;
gpios->gpios[3].value = 0;
strncpy((char *)gpios->gpios[3].name,"power", GPIO_MAX_NAME_LENGTH);
/* Power Button: hard-coded as not pressed; we'll detect later
* presses via SMI. */
{-1, ACTIVE_HIGH, 0, "power"},
/* Did we load the VGA Option ROM? */
gpios->gpios[5].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[5].polarity = ACTIVE_HIGH;
gpios->gpios[5].value = gfx_get_init_done();
strncpy((char *)gpios->gpios[5].name,"oprom", GPIO_MAX_NAME_LENGTH);
/* -1 indicates that this is a pseudo GPIO */
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
#endif

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@ -30,50 +30,29 @@
#if ENV_RAMSTAGE
#include <boot/coreboot_tables.h>
#define GPIO_COUNT 6
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct device *dev = pcidev_on_root(0x1f, 0);
u16 gpio_base = pci_read_config32(dev, GPIOBASE) & 0xfffe;
u16 gen_pmcon_1 = pci_read_config32(dev, GEN_PMCON_1);
if (!gpio_base)
return;
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: GPIO70 active high */
gpios->gpios[0].port = 70;
gpios->gpios[0].polarity = ACTIVE_LOW;
gpios->gpios[0].value = !get_write_protect_state();
strncpy((char *)gpios->gpios[0].name,"write protect", GPIO_MAX_NAME_LENGTH);
{70, ACTIVE_LOW, !get_write_protect_state(), "write protect"},
/* Recovery: Virtual GPIO in the EC (Servo GPIO68 active low) */
gpios->gpios[1].port = -1;
gpios->gpios[1].polarity = ACTIVE_HIGH;
gpios->gpios[1].value = get_recovery_mode_switch();
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
/* Lid switch GPIO active high (open). */
gpios->gpios[3].port = 15;
gpios->gpios[3].polarity = ACTIVE_HIGH;
gpios->gpios[3].value = get_lid_switch();
strncpy((char *)gpios->gpios[3].name,"lid", GPIO_MAX_NAME_LENGTH);
{15, ACTIVE_HIGH, get_lid_switch(), "lid"},
/* Power Button */
gpios->gpios[4].port = 101;
gpios->gpios[4].polarity = ACTIVE_LOW;
gpios->gpios[4].value = (gen_pmcon_1 >> 9) & 1;
strncpy((char *)gpios->gpios[4].name,"power", GPIO_MAX_NAME_LENGTH);
{101, ACTIVE_LOW, (gen_pmcon_1 >> 9) & 1, "power"},
/* Did we load the VGA Option ROM? */
gpios->gpios[5].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[5].polarity = ACTIVE_HIGH;
gpios->gpios[5].value = gfx_get_init_done();
strncpy((char *)gpios->gpios[5].name,"oprom", GPIO_MAX_NAME_LENGTH);
/* -1 indicates that this is a pseudo GPIO */
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
#endif

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@ -25,44 +25,21 @@
void fill_lb_gpios(struct lb_gpios *gpios)
{
int count = 0;
/* Write Protect: active low */
gpios->gpios[count].port = EXYNOS5_GPX3;
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value = gpio_get_value(GPIO_X30); // WP_GPIO
strncpy((char *)gpios->gpios[count].name, "write protect",
GPIO_MAX_NAME_LENGTH);
count++;
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: active low (WP_GPIO) */
{EXYNOS5_GPX3, ACTIVE_LOW, gpio_get_value(GPIO_X30),
"write protect"},
/* Recovery: active low */
gpios->gpios[count].port = -1;
gpios->gpios[count].polarity = ACTIVE_HIGH;
gpios->gpios[count].value = get_recovery_mode_switch();
strncpy((char *)gpios->gpios[count].name, "recovery",
GPIO_MAX_NAME_LENGTH);
count++;
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
/* Lid: active high */
gpios->gpios[count].port = EXYNOS5_GPX3;
gpios->gpios[count].polarity = ACTIVE_HIGH;
gpios->gpios[count].value = gpio_get_value(GPIO_X34); // LID_GPIO
strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH);
count++;
/* Lid: active high (LID_GPIO) */
{EXYNOS5_GPX3, ACTIVE_HIGH, gpio_get_value(GPIO_X34), "lid"},
/* Power: virtual GPIO active low */
gpios->gpios[count].port = EXYNOS5_GPX1;
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value =
gpio_get_value(GPIO_X12); // POWER_GPIO
strncpy((char *)gpios->gpios[count].name, "power",
GPIO_MAX_NAME_LENGTH);
count++;
gpios->size = sizeof(*gpios) + (count * sizeof(struct lb_gpio));
gpios->count = count;
printk(BIOS_ERR, "Added %d GPIOS size %d\n", count, gpios->size);
/* Power: virtual GPIO active low (POWER_GPIO) */
{EXYNOS5_GPX1, ACTIVE_LOW, gpio_get_value(GPIO_X12), "power"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
int get_recovery_mode_switch(void)

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@ -29,49 +29,30 @@
#if ENV_RAMSTAGE
#include <boot/coreboot_tables.h>
#define GPIO_COUNT 7
void fill_lb_gpios(struct lb_gpios *gpios)
{
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: GPIO7 */
gpios->gpios[0].port = 7;
gpios->gpios[0].polarity = ACTIVE_LOW;
gpios->gpios[0].value = !get_write_protect_state();
strncpy((char *)gpios->gpios[0].name,"write protect",
GPIO_MAX_NAME_LENGTH);
{7, ACTIVE_LOW, !get_write_protect_state(), "write protect"},
/* Recovery: Virtual switch */
gpios->gpios[1].port = -1;
gpios->gpios[1].polarity = ACTIVE_HIGH;
gpios->gpios[1].value = get_recovery_mode_switch();
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
/* Lid Switch: Virtual switch */
gpios->gpios[3].port = -1;
gpios->gpios[3].polarity = ACTIVE_HIGH;
gpios->gpios[3].value = get_lid_switch();
strncpy((char *)gpios->gpios[3].name,"lid", GPIO_MAX_NAME_LENGTH);
{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
/* Power Button: Virtual switch */
gpios->gpios[4].port = -1;
gpios->gpios[4].polarity = ACTIVE_HIGH;
gpios->gpios[4].value = 0; /* Hard-code to de-asserted */
strncpy((char *)gpios->gpios[4].name,"power", GPIO_MAX_NAME_LENGTH);
/* Hard-code value to de-asserted */
{-1, ACTIVE_HIGH, 0, "power"},
/* Was VGA Option ROM loaded? */
gpios->gpios[5].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[5].polarity = ACTIVE_HIGH;
gpios->gpios[5].value = gfx_get_init_done();
strncpy((char *)gpios->gpios[5].name,"oprom", GPIO_MAX_NAME_LENGTH);
/* -1 indicates that this is a pseudo GPIO */
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
/* EC is in RW mode when it isn't in recovery mode. */
gpios->gpios[6].port = -1;
gpios->gpios[6].polarity = ACTIVE_HIGH;
gpios->gpios[6].value = !get_recovery_mode_switch();
strncpy((char *)gpios->gpios[6].name,"ec_in_rw", GPIO_MAX_NAME_LENGTH);
{-1, ACTIVE_HIGH, !get_recovery_mode_switch(), "ec_in_rw"}
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
#endif

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@ -26,52 +26,25 @@
#if ENV_RAMSTAGE
#include <boot/coreboot_tables.h>
#define GPIO_COUNT 6
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct device *dev = pcidev_on_root(0x1f, 0);
u16 gpio_base = pci_read_config32(dev, GPIOBASE) & 0xfffe;
if (!gpio_base)
return;
u32 gp_lvl = inl(gpio_base + GP_LVL);
u32 gp_lvl3 = inl(gpio_base + GP_LVL3);
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: GPIO22 */
gpios->gpios[0].port = 0;
gpios->gpios[0].polarity = ACTIVE_LOW;
gpios->gpios[0].value = (gp_lvl >> 22) & 1;
strncpy((char *)gpios->gpios[0].name,"write protect",
GPIO_MAX_NAME_LENGTH);
{0, ACTIVE_LOW, get_write_protect_state(), "write protect"},
/* Recovery: GPIO69 - SV_DETECT - J8E3 (silkscreen: J8E2) */
gpios->gpios[1].port = 69;
gpios->gpios[1].polarity = ACTIVE_HIGH;
gpios->gpios[1].value = (gp_lvl3 >> (69-64)) & 1;
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
{69, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
/* Hard code the lid switch GPIO to open. */
gpios->gpios[3].port = -1;
gpios->gpios[3].polarity = ACTIVE_HIGH;
gpios->gpios[3].value = 1;
strncpy((char *)gpios->gpios[3].name,"lid", GPIO_MAX_NAME_LENGTH);
{-1, ACTIVE_HIGH, 1, "lid"},
/* Power Button */
gpios->gpios[4].port = -1;
gpios->gpios[4].polarity = ACTIVE_HIGH;
gpios->gpios[4].value = 0;
strncpy((char *)gpios->gpios[4].name,"power", GPIO_MAX_NAME_LENGTH);
{-1, ACTIVE_HIGH, 0, "power"},
/* Did we load the VGA option ROM? */
gpios->gpios[5].port = -1;
gpios->gpios[5].polarity = ACTIVE_HIGH;
gpios->gpios[5].value = gfx_get_init_done();
strncpy((char *)gpios->gpios[5].name,"oprom", GPIO_MAX_NAME_LENGTH);
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
#endif
@ -86,7 +59,8 @@ int get_recovery_mode_switch(void)
int get_write_protect_state(void)
{
return 0;
/* Write protect is active low, so invert it here */
return !get_gpio(22);
}
static const struct cros_gpio cros_gpios[] = {

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@ -26,53 +26,25 @@
#if ENV_RAMSTAGE
#include <boot/coreboot_tables.h>
#define GPIO_COUNT 6
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct device *dev = pcidev_on_root(0x1f, 0);
u16 gpio_base = pci_read_config32(dev, GPIOBASE) & 0xfffe;
if (!gpio_base)
return;
u32 gp_lvl = inl(gpio_base + 0x0c);
u32 gp_lvl2 = inl(gpio_base + 0x38);
/* u32 gp_lvl3 = inl(gpio_base + 0x48); */
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: GPIO48 */
gpios->gpios[0].port = 48;
gpios->gpios[0].polarity = ACTIVE_LOW;
gpios->gpios[0].value = (gp_lvl2 >> (48-32)) & 1;
strncpy((char *)gpios->gpios[0].name,"write protect",
GPIO_MAX_NAME_LENGTH);
{48, ACTIVE_LOW, get_write_protect_state(), "write protect"},
/* Recovery: GPIO22 */
gpios->gpios[1].port = 22;
gpios->gpios[1].polarity = ACTIVE_LOW;
gpios->gpios[1].value = (gp_lvl >> 22) & 1;
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
{22, ACTIVE_LOW, get_recovery_mode_switch(), "recovery"},
/* Hard code the lid switch GPIO to open. */
gpios->gpios[3].port = -1;
gpios->gpios[3].polarity = ACTIVE_HIGH;
gpios->gpios[3].value = 1;
strncpy((char *)gpios->gpios[3].name,"lid", GPIO_MAX_NAME_LENGTH);
{-1, ACTIVE_HIGH, 1, "lid"},
/* Power Button */
gpios->gpios[4].port = -1;
gpios->gpios[4].polarity = ACTIVE_HIGH;
gpios->gpios[4].value = 0;
strncpy((char *)gpios->gpios[4].name,"power", GPIO_MAX_NAME_LENGTH);
{-1, ACTIVE_HIGH, 0, "power"},
/* Did we load the VGA option ROM? */
gpios->gpios[5].port = -1;
gpios->gpios[5].polarity = ACTIVE_HIGH;
gpios->gpios[5].value = gfx_get_init_done();
strncpy((char *)gpios->gpios[5].name,"oprom", GPIO_MAX_NAME_LENGTH);
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
#endif
@ -82,6 +54,12 @@ int get_recovery_mode_switch(void)
return !get_gpio(22);
}
int get_write_protect_state(void)
{
/* Write protect is active low, so invert it here */
return !get_gpio(48);
}
static const struct cros_gpio cros_gpios[] = {
CROS_GPIO_REC_AL(22, CROS_GPIO_DEVICE_NAME),
CROS_GPIO_DEV_AH(57, CROS_GPIO_DEVICE_NAME),

View File

@ -34,46 +34,31 @@
#include "ec.h"
#include <ec/smsc/mec1308/ec.h>
#define GPIO_COUNT 5
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct device *dev = pcidev_on_root(0x1f, 0);
u16 gen_pmcon_1 = pci_read_config32(dev, GEN_PMCON_1);
u8 lid = ec_read(0x83);
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: GPIO24 = KBC3_SPI_WP# */
gpios->gpios[0].port = GPIO_SPI_WP;
gpios->gpios[0].polarity = ACTIVE_HIGH;
gpios->gpios[0].value = get_write_protect_state();
strncpy((char *)gpios->gpios[0].name,"write protect",
GPIO_MAX_NAME_LENGTH);
{GPIO_SPI_WP, ACTIVE_HIGH, get_write_protect_state(),
"write protect"},
/* Recovery: GPIO42 = CHP3_REC_MODE# */
gpios->gpios[1].port = GPIO_REC_MODE;
gpios->gpios[1].polarity = ACTIVE_LOW;
gpios->gpios[1].value = !get_recovery_mode_switch();
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
{GPIO_REC_MODE, ACTIVE_LOW, !get_recovery_mode_switch(),
"recovery"},
gpios->gpios[2].port = 100;
gpios->gpios[2].polarity = ACTIVE_HIGH;
gpios->gpios[2].value = lid & 1;
strncpy((char *)gpios->gpios[2].name,"lid", GPIO_MAX_NAME_LENGTH);
{100, ACTIVE_HIGH, lid & 1, "lid"},
/* Power Button */
gpios->gpios[3].port = 101;
gpios->gpios[3].polarity = ACTIVE_LOW;
gpios->gpios[3].value = (gen_pmcon_1 >> 9) & 1;
strncpy((char *)gpios->gpios[3].name,"power", GPIO_MAX_NAME_LENGTH);
{101, ACTIVE_LOW, (gen_pmcon_1 >> 9) & 1, "power"},
/* Did we load the VGA Option ROM? */
gpios->gpios[4].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[4].polarity = ACTIVE_HIGH;
gpios->gpios[4].value = gfx_get_init_done();
strncpy((char *)gpios->gpios[4].name,"oprom", GPIO_MAX_NAME_LENGTH);
/* -1 indicates that this is a pseudo GPIO */
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
#endif

View File

@ -31,46 +31,31 @@
#if ENV_RAMSTAGE
#include <boot/coreboot_tables.h>
#define GPIO_COUNT 5
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct device *dev = pcidev_on_root(0x1f, 0);
u16 gen_pmcon_1 = pci_read_config32(dev, GEN_PMCON_1);
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: GPIO68 = CHP3_SPI_WP */
gpios->gpios[0].port = GPIO_SPI_WP;
gpios->gpios[0].polarity = ACTIVE_HIGH;
gpios->gpios[0].value = get_write_protect_state();
strncpy((char *)gpios->gpios[0].name,"write protect",
GPIO_MAX_NAME_LENGTH);
{GPIO_SPI_WP, ACTIVE_HIGH, get_write_protect_state(),
"write protect"},
/* Recovery: GPIO42 = CHP3_REC_MODE# */
gpios->gpios[1].port = GPIO_REC_MODE;
gpios->gpios[1].polarity = ACTIVE_LOW;
gpios->gpios[1].value = !get_recovery_mode_switch();
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
{GPIO_REC_MODE, ACTIVE_LOW, !get_recovery_mode_switch(),
"recovery"},
/* Hard code the lid switch GPIO to open. */
gpios->gpios[2].port = 100;
gpios->gpios[2].polarity = ACTIVE_HIGH;
gpios->gpios[2].value = 1;
strncpy((char *)gpios->gpios[2].name,"lid", GPIO_MAX_NAME_LENGTH);
{100, ACTIVE_HIGH, 1, "lid"},
/* Power Button */
gpios->gpios[3].port = 101;
gpios->gpios[3].polarity = ACTIVE_LOW;
gpios->gpios[3].value = (gen_pmcon_1 >> 9) & 1;
strncpy((char *)gpios->gpios[3].name,"power", GPIO_MAX_NAME_LENGTH);
{101, ACTIVE_LOW, (gen_pmcon_1 >> 9) & 1, "power"},
/* Did we load the VGA Option ROM? */
gpios->gpios[4].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[4].polarity = ACTIVE_HIGH;
gpios->gpios[4].value = gfx_get_init_done();
strncpy((char *)gpios->gpios[4].name,"oprom", GPIO_MAX_NAME_LENGTH);
/* -1 indicates that this is a pseudo GPIO */
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
#endif