diff options
author | Simon Glass <sjg@chromium.org> | 2014-11-13 05:42:25 (GMT) |
---|---|---|
committer | Simon Glass <sjg@chromium.org> | 2014-11-21 06:34:15 (GMT) |
commit | 437c2b7cd04f017cf79dcde63e7d9035f8cd99e5 (patch) | |
tree | 49d82b32a7a6f3bf834c596cd66404912daf3455 /board | |
parent | 1b4f25ff8e6967f14494c5a0d173758a7a3ac279 (diff) | |
download | u-boot-437c2b7cd04f017cf79dcde63e7d9035f8cd99e5.tar.xz |
x86: chromebook_link: Enable GPIO support
Enable GPIO support and provide the required GPIO setup information to
the driver.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'board')
-rw-r--r-- | board/google/chromebook_link/link.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/board/google/chromebook_link/link.c b/board/google/chromebook_link/link.c index ffa9d60..88cee05 100644 --- a/board/google/chromebook_link/link.c +++ b/board/google/chromebook_link/link.c @@ -5,6 +5,7 @@ */ #include <common.h> +#include <asm/gpio.h> int arch_early_init_r(void) { @@ -15,3 +16,109 @@ int board_early_init_r(void) { return 0; } + +static const struct pch_gpio_set1 pch_gpio_set1_mode = { + .gpio0 = GPIO_MODE_GPIO, /* NMI_DBG# */ + .gpio3 = GPIO_MODE_GPIO, /* ALS_INT# */ + .gpio5 = GPIO_MODE_GPIO, /* SIM_DET */ + .gpio7 = GPIO_MODE_GPIO, /* EC_SCI# */ + .gpio8 = GPIO_MODE_GPIO, /* EC_SMI# */ + .gpio9 = GPIO_MODE_GPIO, /* RECOVERY# */ + .gpio10 = GPIO_MODE_GPIO, /* SPD vector D3 */ + .gpio11 = GPIO_MODE_GPIO, /* smbalert#, let's keep it initialized */ + .gpio12 = GPIO_MODE_GPIO, /* TP_INT# */ + .gpio14 = GPIO_MODE_GPIO, /* Touch_INT_L */ + .gpio15 = GPIO_MODE_GPIO, /* EC_LID_OUT# (EC_WAKE#) */ + .gpio21 = GPIO_MODE_GPIO, /* EC_IN_RW */ + .gpio24 = GPIO_MODE_GPIO, /* DDR3L_EN */ + .gpio28 = GPIO_MODE_GPIO, /* SLP_ME_CSW_DEV# */ +}; + +static const struct pch_gpio_set1 pch_gpio_set1_direction = { + .gpio0 = GPIO_DIR_INPUT, + .gpio3 = GPIO_DIR_INPUT, + .gpio5 = GPIO_DIR_INPUT, + .gpio7 = GPIO_DIR_INPUT, + .gpio8 = GPIO_DIR_INPUT, + .gpio9 = GPIO_DIR_INPUT, + .gpio10 = GPIO_DIR_INPUT, + .gpio11 = GPIO_DIR_INPUT, + .gpio12 = GPIO_DIR_INPUT, + .gpio14 = GPIO_DIR_INPUT, + .gpio15 = GPIO_DIR_INPUT, + .gpio21 = GPIO_DIR_INPUT, + .gpio24 = GPIO_DIR_OUTPUT, + .gpio28 = GPIO_DIR_INPUT, +}; + +static const struct pch_gpio_set1 pch_gpio_set1_level = { + .gpio1 = GPIO_LEVEL_HIGH, + .gpio6 = GPIO_LEVEL_HIGH, + .gpio24 = GPIO_LEVEL_LOW, +}; + +static const struct pch_gpio_set1 pch_gpio_set1_invert = { + .gpio7 = GPIO_INVERT, + .gpio8 = GPIO_INVERT, + .gpio12 = GPIO_INVERT, + .gpio14 = GPIO_INVERT, + .gpio15 = GPIO_INVERT, +}; + +static const struct pch_gpio_set2 pch_gpio_set2_mode = { + .gpio36 = GPIO_MODE_GPIO, /* W_DISABLE_L */ + .gpio41 = GPIO_MODE_GPIO, /* SPD vector D0 */ + .gpio42 = GPIO_MODE_GPIO, /* SPD vector D1 */ + .gpio43 = GPIO_MODE_GPIO, /* SPD vector D2 */ + .gpio57 = GPIO_MODE_GPIO, /* PCH_SPI_WP_D */ + .gpio60 = GPIO_MODE_GPIO, /* DRAMRST_CNTRL_PCH */ +}; + +static const struct pch_gpio_set2 pch_gpio_set2_direction = { + .gpio36 = GPIO_DIR_OUTPUT, + .gpio41 = GPIO_DIR_INPUT, + .gpio42 = GPIO_DIR_INPUT, + .gpio43 = GPIO_DIR_INPUT, + .gpio57 = GPIO_DIR_INPUT, + .gpio60 = GPIO_DIR_OUTPUT, +}; + +static const struct pch_gpio_set2 pch_gpio_set2_level = { + .gpio36 = GPIO_LEVEL_HIGH, + .gpio60 = GPIO_LEVEL_HIGH, +}; + +static const struct pch_gpio_set3 pch_gpio_set3_mode = { +}; + +static const struct pch_gpio_set3 pch_gpio_set3_direction = { +}; + +static const struct pch_gpio_set3 pch_gpio_set3_level = { +}; + +static const struct pch_gpio_map link_gpio_map = { + .set1 = { + .mode = &pch_gpio_set1_mode, + .direction = &pch_gpio_set1_direction, + .level = &pch_gpio_set1_level, + .invert = &pch_gpio_set1_invert, + }, + .set2 = { + .mode = &pch_gpio_set2_mode, + .direction = &pch_gpio_set2_direction, + .level = &pch_gpio_set2_level, + }, + .set3 = { + .mode = &pch_gpio_set3_mode, + .direction = &pch_gpio_set3_direction, + .level = &pch_gpio_set3_level, + }, +}; + +int board_early_init_f(void) +{ + ich_gpio_set_gpio_map(&link_gpio_map); + + return 0; +} |