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| author | david <david_wu@quantatw.com> | 2015-01-19 17:11:36 +0800 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2015-12-26 20:51:29 +0100 |
| commit | 80ef7b778e5e5ec8b2940c875df76bb705855ede (patch) | |
| tree | 5579af966b3bae3ccb72e0f58179cc325441e4bd /src/superio | |
| parent | 0fa4f6f23d6bec4216e0be27526a009db50c8938 (diff) | |
| download | coreboot-80ef7b778e5e5ec8b2940c875df76bb705855ede.tar.xz | |
IT8772F: Clean up it8772f includes and add a LED API
- Remove it8772f c includes
- Add a new LED API, it8772f_gpio_led
- Stumpy: using it8772f_gpio_led
BUG=chrome-os-partner:28232
BRANCH=Guado
TEST=emerge-guado coreboot chromeos-bootimage
Change-Id: I08de52515d3c1e7e85d1761c09a0cebffda7dda3
Signed-off-by: David Wu <David_Wu@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/241813
Tested-by: David Wu <david_wu@quantatw.com>
Reviewed-by: Shawn N <shawnn@chromium.org>
Commit-Queue: David Wu <david_wu@quantatw.com>
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/12797
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Diffstat (limited to 'src/superio')
| -rw-r--r-- | src/superio/ite/it8772f/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/superio/ite/it8772f/early_init.c | 19 | ||||
| -rw-r--r-- | src/superio/ite/it8772f/it8772f.h | 20 |
3 files changed, 40 insertions, 0 deletions
diff --git a/src/superio/ite/it8772f/Makefile.inc b/src/superio/ite/it8772f/Makefile.inc index f39e2ba409..a0bf94db75 100644 --- a/src/superio/ite/it8772f/Makefile.inc +++ b/src/superio/ite/it8772f/Makefile.inc @@ -16,3 +16,4 @@ romstage-$(CONFIG_SUPERIO_ITE_IT8772F) += early_init.c ramstage-$(CONFIG_SUPERIO_ITE_IT8772F) += superio.c +smm-$(CONFIG_SUPERIO_ITE_IT8772F) += early_init.c diff --git a/src/superio/ite/it8772f/early_init.c b/src/superio/ite/it8772f/early_init.c index 893e69b312..eed1e9c39f 100644 --- a/src/superio/ite/it8772f/early_init.c +++ b/src/superio/ite/it8772f/early_init.c @@ -81,3 +81,22 @@ void it8772f_gpio_setup(pnp_devfn_t dev, int set, u8 select, u8 polarity, it8772f_sio_write(dev, GPIO_REG_PULLUP(set), pullup); it8772f_exit_conf(dev); } + +/* Configure LED GPIOs */ +void it8772f_gpio_led(pnp_devfn_t dev,int set, u8 select, u8 polarity, u8 pullup, + u8 output, u8 enable, u8 led_pin_map, u8 led_freq) +{ + set--; /* Set 1 is offset 0 */ + it8772f_enter_conf(dev); + it8772f_sio_write(dev, IT8772F_CONFIG_REG_LDN, IT8772F_GPIO); + if (set < 5) { + it8772f_sio_write(dev, IT8772F_GPIO_LED_BLINK1_PINMAP, led_pin_map); + it8772f_sio_write(dev, IT8772F_GPIO_LED_BLINK1_CONTROL, led_freq); + it8772f_sio_write(dev, GPIO_REG_SELECT(set), select); + it8772f_sio_write(dev, GPIO_REG_ENABLE(set), enable); + it8772f_sio_write(dev, GPIO_REG_POLARITY(set), polarity); + } + it8772f_sio_write(dev, GPIO_REG_OUTPUT(set), output); + it8772f_sio_write(dev, GPIO_REG_PULLUP(set), pullup); + it8772f_exit_conf(dev); +} diff --git a/src/superio/ite/it8772f/it8772f.h b/src/superio/ite/it8772f/it8772f.h index a113bc7a35..8e82bef6ab 100644 --- a/src/superio/ite/it8772f/it8772f.h +++ b/src/superio/ite/it8772f/it8772f.h @@ -92,12 +92,29 @@ /* GPIO interface */ #define IT8772F_GPIO_LED_BLINK1_PINMAP 0xf8 + +#define SIO_GPIO_BLINK_GPIO10 0x08 +#define SIO_GPIO_BLINK_GPIO45 0x25 + #define IT8772F_GPIO_LED_BLINK1_CONTROL 0xf9 +#define IT8772F_GPIO_BLINK_FREQUENCY_4_HZ (0<<1) +#define IT8772F_GPIO_BLINK_FREQUENCY_1_HZ (1<<1) +#define IT8772F_GPIO_BLINK_FREQUENCY_1_4_HZ (2<<1) +#define IT8772F_GPIO_BLINK_FREQUENCY_1_8_HZ (3<<1) + #define GPIO_REG_SELECT(x) (0x25 + (x)) + +/* GPIO Polarity Select: 1: Inverting, 0: Non-inverting */ #define GPIO_REG_POLARITY(x) (0xb0 + (x)) + +/* GPIO Inernal Pull-up: 1: Enable, 0: Disable */ #define GPIO_REG_PULLUP(x) (0xb8 + (x)) + +/* GPIO Fucntion Select: 1: Simple I/O, 0: Alternate function */ #define GPIO_REG_ENABLE(x) (0xc0 + (x)) + +/* GPIO Mode: 0: input mode, 1: output mode */ #define GPIO_REG_OUTPUT(x) (0xc8 + (x)) #include <arch/io.h> @@ -116,5 +133,8 @@ void it8772f_gpio_setup(pnp_devfn_t dev, int set, u8 select, u8 polarity, void it8772f_enter_conf(pnp_devfn_t dev); void it8772f_exit_conf(pnp_devfn_t dev); +void it8772f_gpio_led(pnp_devfn_t dev, int set, u8 select, u8 polarity, u8 pullup, + u8 output, u8 enable, u8 led_pin_map, u8 led_freq); + #endif /* SUPERIO_ITE_IT8772F_H */ |