diff options
Diffstat (limited to 'src')
49 files changed, 142 insertions, 148 deletions
diff --git a/src/include/gpiolib.h b/src/include/gpio.h index 436f26ac04..af06697050 100644 --- a/src/include/gpiolib.h +++ b/src/include/gpio.h @@ -17,11 +17,22 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef __SRC_INCLUDE_GPIOLIB_H__ -#define __SRC_INCLUDE_GPIOLIB_H__ +#ifndef __SRC_INCLUDE_GPIO_H__ +#define __SRC_INCLUDE_GPIO_H__ -/* A generic type, use accessor macros to actually access the hardware. */ -typedef unsigned gpio_t; +#include <soc/gpio.h> +#include <types.h> + +/* <soc/gpio.h> must typedef a gpio_t that fits in 32 bits. */ +_Static_assert(sizeof(gpio_t) <= sizeof(u32), "gpio_t doesn't fit in lb_gpio"); + +/* The following functions must be implemented by SoC/board code. */ +int gpio_get(gpio_t gpio); +void gpio_set(gpio_t gpio, int value); +void gpio_input_pulldown(gpio_t gpio); +void gpio_input_pullup(gpio_t gpio); +void gpio_input(gpio_t gpio); +void gpio_output(gpio_t gpio, int value); /* * Read the value presented by the set of GPIOs, when each pin is interpreted @@ -36,16 +47,6 @@ typedef unsigned gpio_t; * tertiary: 1: pins are interpreted as a quad coded tertiary. * 0: pins are interpreted as a set of two bit fields. */ -int gpio_get_in_tristate_values(gpio_t gpio[], int num_gpio, int tertiary); - -/* - * The following functions are not provided by the common library, but must be - * implemented by the appropriate SOC/board instead. - */ -int gpio_get_in_value(gpio_t gpio); -void gpio_set_out_value(gpio_t gpio, int value); -void gpio_input_pulldown(gpio_t gpio); -void gpio_input_pullup(gpio_t gpio); -void gpio_input(gpio_t gpio); +int gpio_get_tristates(gpio_t gpio[], int num_gpio, int tertiary); -#endif +#endif /* __SRC_INCLUDE_GPIO_H__ */ diff --git a/src/lib/tristate_gpios.c b/src/lib/tristate_gpios.c index 8e93e3704a..5ee5580ae8 100644 --- a/src/lib/tristate_gpios.c +++ b/src/lib/tristate_gpios.c @@ -18,9 +18,9 @@ */ #include <delay.h> -#include <gpiolib.h> +#include <gpio.h> -int gpio_get_in_tristate_values(gpio_t gpio[], int num_gpio, int tertiary) +int gpio_get_tristates(gpio_t gpio[], int num_gpio, int tertiary) { /* * GPIOs which are tied to stronger external pull up or pull down @@ -45,7 +45,7 @@ int gpio_get_in_tristate_values(gpio_t gpio[], int num_gpio, int tertiary) /* Get gpio values at internal pull up */ for (index = 0; index < num_gpio; ++index) - value[index] = gpio_get_in_value(gpio[index]); + value[index] = gpio_get(gpio[index]); /* Enable internal pull down */ for (index = 0; index < num_gpio; ++index) @@ -67,7 +67,7 @@ int gpio_get_in_tristate_values(gpio_t gpio[], int num_gpio, int tertiary) id *= 3; else id <<= 2; - temp = gpio_get_in_value(gpio[index]); + temp = gpio_get(gpio[index]); id += ((value[index] ^ temp) << 1) | temp; } diff --git a/src/mainboard/google/nyan/boardid.c b/src/mainboard/google/nyan/boardid.c index 4628cb60e0..85a55fc329 100644 --- a/src/mainboard/google/nyan/boardid.c +++ b/src/mainboard/google/nyan/boardid.c @@ -19,17 +19,17 @@ #include <boardid.h> #include <console/console.h> -#include <soc/gpio.h> +#include <gpio.h> uint8_t board_id(void) { static int id = -1; if (id < 0) { - id = gpio_get_in_value(GPIO(Q3)) << 0 | - gpio_get_in_value(GPIO(T1)) << 1 | - gpio_get_in_value(GPIO(X1)) << 2 | - gpio_get_in_value(GPIO(X4)) << 3; + id = gpio_get(GPIO(Q3)) << 0 | + gpio_get(GPIO(T1)) << 1 | + gpio_get(GPIO(X1)) << 2 | + gpio_get(GPIO(X4)) << 3; printk(BIOS_SPEW, "Board ID: %#x.\n", id); } diff --git a/src/mainboard/google/nyan/bootblock.c b/src/mainboard/google/nyan/bootblock.c index 1f23d43dd3..bc3cd3efa2 100644 --- a/src/mainboard/google/nyan/bootblock.c +++ b/src/mainboard/google/nyan/bootblock.c @@ -21,10 +21,10 @@ #include <bootblock_common.h> #include <console/console.h> #include <device/i2c.h> +#include <gpio.h> #include <soc/addressmap.h> #include <soc/clk_rst.h> #include <soc/clock.h> -#include <soc/gpio.h> #include <soc/nvidia/tegra/i2c.h> #include <soc/pinmux.h> #include <soc/spi.h> /* FIXME: move back to soc code? */ diff --git a/src/mainboard/google/nyan/chromeos.c b/src/mainboard/google/nyan/chromeos.c index 1210f75ad9..91a3f13de6 100644 --- a/src/mainboard/google/nyan/chromeos.c +++ b/src/mainboard/google/nyan/chromeos.c @@ -22,7 +22,7 @@ #include <console/console.h> #include <ec/google/chromeec/ec.h> #include <ec/google/chromeec/ec_commands.h> -#include <soc/gpio.h> +#include <gpio.h> #include <string.h> #include <vendorcode/google/chromeos/chromeos.h> @@ -33,7 +33,7 @@ void fill_lb_gpios(struct lb_gpios *gpios) /* Write Protect: active low */ gpios->gpios[count].port = GPIO_R1_INDEX; gpios->gpios[count].polarity = ACTIVE_LOW; - gpios->gpios[count].value = gpio_get_in_value(GPIO(R1)); + gpios->gpios[count].value = gpio_get(GPIO(R1)); strncpy((char *)gpios->gpios[count].name, "write protect", GPIO_MAX_NAME_LENGTH); count++; @@ -49,14 +49,14 @@ void fill_lb_gpios(struct lb_gpios *gpios) /* Lid: active high */ gpios->gpios[count].port = GPIO_R4_INDEX; gpios->gpios[count].polarity = ACTIVE_HIGH; - gpios->gpios[count].value = gpio_get_in_value(GPIO(R4)); + gpios->gpios[count].value = gpio_get(GPIO(R4)); strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH); count++; /* Power: active low */ gpios->gpios[count].port = GPIO_Q0_INDEX; gpios->gpios[count].polarity = ACTIVE_LOW; - gpios->gpios[count].value = gpio_get_in_value(GPIO(Q0)); + gpios->gpios[count].value = gpio_get(GPIO(Q0)); strncpy((char *)gpios->gpios[count].name, "power", GPIO_MAX_NAME_LENGTH); count++; @@ -91,5 +91,5 @@ int get_recovery_mode_switch(void) int get_write_protect_state(void) { - return !gpio_get_in_value(GPIO(R1)); + return !gpio_get(GPIO(R1)); } diff --git a/src/mainboard/google/nyan/early_configs.c b/src/mainboard/google/nyan/early_configs.c index 046e2bd419..de9fe8ef9d 100644 --- a/src/mainboard/google/nyan/early_configs.c +++ b/src/mainboard/google/nyan/early_configs.c @@ -17,10 +17,10 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <gpio.h> #include <soc/addressmap.h> #include <soc/clock.h> #include <soc/early_configs.h> -#include <soc/gpio.h> #include <soc/nvidia/tegra/i2c.h> static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE; diff --git a/src/mainboard/google/nyan/mainboard.c b/src/mainboard/google/nyan/mainboard.c index f4aa93adc2..dce4cbcbd5 100644 --- a/src/mainboard/google/nyan/mainboard.c +++ b/src/mainboard/google/nyan/mainboard.c @@ -21,10 +21,10 @@ #include <device/device.h> #include <elog.h> #include <boot/coreboot_tables.h> +#include <gpio.h> #include <soc/addressmap.h> #include <soc/clock.h> #include <soc/clk_rst.h> -#include <soc/gpio.h> #include <soc/mc.h> #include <soc/nvidia/tegra/i2c.h> #include <soc/nvidia/tegra/usb.h> diff --git a/src/mainboard/google/nyan/reset.c b/src/mainboard/google/nyan/reset.c index de096c6520..e58890e604 100644 --- a/src/mainboard/google/nyan/reset.c +++ b/src/mainboard/google/nyan/reset.c @@ -18,7 +18,7 @@ */ #include <arch/io.h> -#include <soc/gpio.h> +#include <gpio.h> #include <reset.h> void hard_reset(void) diff --git a/src/mainboard/google/nyan_big/boardid.c b/src/mainboard/google/nyan_big/boardid.c index 335da87a50..00f646d392 100644 --- a/src/mainboard/google/nyan_big/boardid.c +++ b/src/mainboard/google/nyan_big/boardid.c @@ -19,7 +19,7 @@ #include <boardid.h> #include <console/console.h> -#include <soc/gpio.h> +#include <gpio.h> #include <stdlib.h> uint8_t board_id(void) @@ -29,7 +29,7 @@ uint8_t board_id(void) if (id < 0) { gpio_t gpio[] = {GPIO(Q3), GPIO(T1), GPIO(X1), GPIO(X4)}; - id = gpio_get_in_tristate_values(gpio, ARRAY_SIZE(gpio), 0); + id = gpio_get_tristates(gpio, ARRAY_SIZE(gpio), 0); printk(BIOS_SPEW, "Board TRISTATE ID: %#x.\n", id); } diff --git a/src/mainboard/google/nyan_big/bootblock.c b/src/mainboard/google/nyan_big/bootblock.c index b24862e8b9..c471cb841a 100644 --- a/src/mainboard/google/nyan_big/bootblock.c +++ b/src/mainboard/google/nyan_big/bootblock.c @@ -21,10 +21,10 @@ #include <bootblock_common.h> #include <console/console.h> #include <device/i2c.h> +#include <gpio.h> #include <soc/addressmap.h> #include <soc/clk_rst.h> #include <soc/clock.h> -#include <soc/gpio.h> #include <soc/nvidia/tegra/i2c.h> #include <soc/pinmux.h> #include <soc/spi.h> /* FIXME: move back to soc code? */ diff --git a/src/mainboard/google/nyan_big/chromeos.c b/src/mainboard/google/nyan_big/chromeos.c index 28da0538f1..7073198a78 100644 --- a/src/mainboard/google/nyan_big/chromeos.c +++ b/src/mainboard/google/nyan_big/chromeos.c @@ -22,7 +22,7 @@ #include <console/console.h> #include <ec/google/chromeec/ec.h> #include <ec/google/chromeec/ec_commands.h> -#include <soc/gpio.h> +#include <gpio.h> #include <string.h> #include <vendorcode/google/chromeos/chromeos.h> @@ -33,7 +33,7 @@ void fill_lb_gpios(struct lb_gpios *gpios) /* Write Protect: active low */ gpios->gpios[count].port = GPIO_R1_INDEX; gpios->gpios[count].polarity = ACTIVE_LOW; - gpios->gpios[count].value = gpio_get_in_value(GPIO(R1)); + gpios->gpios[count].value = gpio_get(GPIO(R1)); strncpy((char *)gpios->gpios[count].name, "write protect", GPIO_MAX_NAME_LENGTH); count++; @@ -49,14 +49,14 @@ void fill_lb_gpios(struct lb_gpios *gpios) /* Lid: active high */ gpios->gpios[count].port = GPIO_R4_INDEX; gpios->gpios[count].polarity = ACTIVE_HIGH; - gpios->gpios[count].value = gpio_get_in_value(GPIO(R4)); + gpios->gpios[count].value = gpio_get(GPIO(R4)); strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH); count++; /* Power: active low */ gpios->gpios[count].port = GPIO_Q0_INDEX; gpios->gpios[count].polarity = ACTIVE_LOW; - gpios->gpios[count].value = gpio_get_in_value(GPIO(Q0)); + gpios->gpios[count].value = gpio_get(GPIO(Q0)); strncpy((char *)gpios->gpios[count].name, "power", GPIO_MAX_NAME_LENGTH); count++; @@ -91,5 +91,5 @@ int get_recovery_mode_switch(void) int get_write_protect_state(void) { - return !gpio_get_in_value(GPIO(R1)); + return !gpio_get(GPIO(R1)); } diff --git a/src/mainboard/google/nyan_big/early_configs.c b/src/mainboard/google/nyan_big/early_configs.c index 046e2bd419..de9fe8ef9d 100644 --- a/src/mainboard/google/nyan_big/early_configs.c +++ b/src/mainboard/google/nyan_big/early_configs.c @@ -17,10 +17,10 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <gpio.h> #include <soc/addressmap.h> #include <soc/clock.h> #include <soc/early_configs.h> -#include <soc/gpio.h> #include <soc/nvidia/tegra/i2c.h> static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE; diff --git a/src/mainboard/google/nyan_big/mainboard.c b/src/mainboard/google/nyan_big/mainboard.c index 63d9d5c93e..712269a708 100644 --- a/src/mainboard/google/nyan_big/mainboard.c +++ b/src/mainboard/google/nyan_big/mainboard.c @@ -21,10 +21,10 @@ #include <boot/coreboot_tables.h> #include <device/device.h> #include <elog.h> +#include <gpio.h> #include <soc/addressmap.h> #include <soc/clk_rst.h> #include <soc/clock.h> -#include <soc/gpio.h> #include <soc/mc.h> #include <soc/nvidia/tegra/i2c.h> #include <soc/pmc.h> diff --git a/src/mainboard/google/nyan_big/reset.c b/src/mainboard/google/nyan_big/reset.c index de096c6520..e58890e604 100644 --- a/src/mainboard/google/nyan_big/reset.c +++ b/src/mainboard/google/nyan_big/reset.c @@ -18,7 +18,7 @@ */ #include <arch/io.h> -#include <soc/gpio.h> +#include <gpio.h> #include <reset.h> void hard_reset(void) diff --git a/src/mainboard/google/nyan_blaze/boardid.c b/src/mainboard/google/nyan_blaze/boardid.c index 335da87a50..00f646d392 100644 --- a/src/mainboard/google/nyan_blaze/boardid.c +++ b/src/mainboard/google/nyan_blaze/boardid.c @@ -19,7 +19,7 @@ #include <boardid.h> #include <console/console.h> -#include <soc/gpio.h> +#include <gpio.h> #include <stdlib.h> uint8_t board_id(void) @@ -29,7 +29,7 @@ uint8_t board_id(void) if (id < 0) { gpio_t gpio[] = {GPIO(Q3), GPIO(T1), GPIO(X1), GPIO(X4)}; - id = gpio_get_in_tristate_values(gpio, ARRAY_SIZE(gpio), 0); + id = gpio_get_tristates(gpio, ARRAY_SIZE(gpio), 0); printk(BIOS_SPEW, "Board TRISTATE ID: %#x.\n", id); } diff --git a/src/mainboard/google/nyan_blaze/bootblock.c b/src/mainboard/google/nyan_blaze/bootblock.c index b24862e8b9..c471cb841a 100644 --- a/src/mainboard/google/nyan_blaze/bootblock.c +++ b/src/mainboard/google/nyan_blaze/bootblock.c @@ -21,10 +21,10 @@ #include <bootblock_common.h> #include <console/console.h> #include <device/i2c.h> +#include <gpio.h> #include <soc/addressmap.h> #include <soc/clk_rst.h> #include <soc/clock.h> -#include <soc/gpio.h> #include <soc/nvidia/tegra/i2c.h> #include <soc/pinmux.h> #include <soc/spi.h> /* FIXME: move back to soc code? */ diff --git a/src/mainboard/google/nyan_blaze/chromeos.c b/src/mainboard/google/nyan_blaze/chromeos.c index 0b944d1667..7718849fe8 100644 --- a/src/mainboard/google/nyan_blaze/chromeos.c +++ b/src/mainboard/google/nyan_blaze/chromeos.c @@ -21,7 +21,7 @@ #include <console/console.h> #include <ec/google/chromeec/ec.h> #include <ec/google/chromeec/ec_commands.h> -#include <soc/gpio.h> +#include <gpio.h> #include <string.h> #include <vendorcode/google/chromeos/chromeos.h> @@ -37,7 +37,7 @@ void fill_lb_gpios(struct lb_gpios *gpios) /* Write Protect: active low */ gpios->gpios[count].port = GPIO_R1_INDEX; gpios->gpios[count].polarity = ACTIVE_LOW; - gpios->gpios[count].value = gpio_get_in_value(GPIO(R1)); + gpios->gpios[count].value = gpio_get(GPIO(R1)); strncpy((char *)gpios->gpios[count].name, "write protect", GPIO_MAX_NAME_LENGTH); count++; @@ -53,14 +53,14 @@ void fill_lb_gpios(struct lb_gpios *gpios) /* Lid: active high */ gpios->gpios[count].port = GPIO_R4_INDEX; gpios->gpios[count].polarity = ACTIVE_HIGH; - gpios->gpios[count].value = gpio_get_in_value(GPIO(R4)); + gpios->gpios[count].value = gpio_get(GPIO(R4)); strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH); count++; /* Power: active low */ gpios->gpios[count].port = GPIO_Q0_INDEX; gpios->gpios[count].polarity = ACTIVE_LOW; - gpios->gpios[count].value = gpio_get_in_value(GPIO(Q0)); + gpios->gpios[count].value = gpio_get(GPIO(Q0)); strncpy((char *)gpios->gpios[count].name, "power", GPIO_MAX_NAME_LENGTH); count++; @@ -95,5 +95,5 @@ int get_recovery_mode_switch(void) int get_write_protect_state(void) { - return !gpio_get_in_value(GPIO(R1)); + return !gpio_get(GPIO(R1)); } diff --git a/src/mainboard/google/nyan_blaze/early_configs.c b/src/mainboard/google/nyan_blaze/early_configs.c index 020f3fd8a8..de9fe8ef9d 100644 --- a/src/mainboard/google/nyan_blaze/early_configs.c +++ b/src/mainboard/google/nyan_blaze/early_configs.c @@ -17,9 +17,9 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <gpio.h> #include <soc/addressmap.h> #include <soc/clock.h> -#include <soc/gpio.h> #include <soc/early_configs.h> #include <soc/nvidia/tegra/i2c.h> diff --git a/src/mainboard/google/nyan_blaze/mainboard.c b/src/mainboard/google/nyan_blaze/mainboard.c index da49377166..9daa2bb6b3 100644 --- a/src/mainboard/google/nyan_blaze/mainboard.c +++ b/src/mainboard/google/nyan_blaze/mainboard.c @@ -21,10 +21,10 @@ #include <boot/coreboot_tables.h> #include <device/device.h> #include <elog.h> +#include <gpio.h> #include <soc/addressmap.h> #include <soc/clock.h> #include <soc/clk_rst.h> -#include <soc/gpio.h> #include <soc/mc.h> #include <soc/nvidia/tegra/i2c.h> #include <soc/nvidia/tegra/usb.h> diff --git a/src/mainboard/google/nyan_blaze/reset.c b/src/mainboard/google/nyan_blaze/reset.c index de096c6520..e58890e604 100644 --- a/src/mainboard/google/nyan_blaze/reset.c +++ b/src/mainboard/google/nyan_blaze/reset.c @@ -18,7 +18,7 @@ */ #include <arch/io.h> -#include <soc/gpio.h> +#include <gpio.h> #include <reset.h> void hard_reset(void) diff --git a/src/mainboard/google/rush/boardid.c b/src/mainboard/google/rush/boardid.c index 7ed2b53ed6..0c9d2c5e70 100644 --- a/src/mainboard/google/rush/boardid.c +++ b/src/mainboard/google/rush/boardid.c @@ -19,17 +19,17 @@ #include <boardid.h> #include <console/console.h> -#include <soc/gpio.h> +#include <gpio.h> uint8_t board_id(void) { static int id = -1; if (id < 0) { - id = gpio_get_in_value(GPIO(Q3)) << 0 | - gpio_get_in_value(GPIO(T1)) << 1 | - gpio_get_in_value(GPIO(X1)) << 2 | - gpio_get_in_value(GPIO(X4)) << 3; + id = gpio_get(GPIO(Q3)) << 0 | + gpio_get(GPIO(T1)) << 1 | + gpio_get(GPIO(X1)) << 2 | + gpio_get(GPIO(X4)) << 3; printk(BIOS_SPEW, "Board ID: %#x.\n", id); } diff --git a/src/mainboard/google/rush/chromeos.c b/src/mainboard/google/rush/chromeos.c index 5232344223..1a017f5078 100644 --- a/src/mainboard/google/rush/chromeos.c +++ b/src/mainboard/google/rush/chromeos.c @@ -21,7 +21,7 @@ #include <console/console.h> #include <ec/google/chromeec/ec.h> #include <ec/google/chromeec/ec_commands.h> -#include <soc/gpio.h> +#include <gpio.h> #include <string.h> #include <vendorcode/google/chromeos/chromeos.h> @@ -32,7 +32,7 @@ void fill_lb_gpios(struct lb_gpios *gpios) /* Write Protect: active low */ gpios->gpios[count].port = GPIO_R1_INDEX; gpios->gpios[count].polarity = ACTIVE_LOW; - gpios->gpios[count].value = gpio_get_in_value(GPIO(R1)); + gpios->gpios[count].value = gpio_get(GPIO(R1)); strncpy((char *)gpios->gpios[count].name, "write protect", GPIO_MAX_NAME_LENGTH); count++; @@ -90,5 +90,5 @@ int get_recovery_mode_switch(void) int get_write_protect_state(void) { - return !gpio_get_in_value(GPIO(R1)); + return !gpio_get(GPIO(R1)); } diff --git a/src/mainboard/google/rush/reset.c b/src/mainboard/google/rush/reset.c index dbaed0d95b..0fc6320489 100644 --- a/src/mainboard/google/rush/reset.c +++ b/src/mainboard/google/rush/reset.c @@ -18,7 +18,7 @@ */ #include <arch/io.h> -#include <soc/gpio.h> +#include <gpio.h> #include <reset.h> void hard_reset(void) diff --git a/src/mainboard/google/rush_ryu/boardid.c b/src/mainboard/google/rush_ryu/boardid.c index 9d99b90ddc..ba3a4be9e9 100644 --- a/src/mainboard/google/rush_ryu/boardid.c +++ b/src/mainboard/google/rush_ryu/boardid.c @@ -19,7 +19,6 @@ #include <boardid.h> #include <console/console.h> -#include <soc/gpio.h> #include <stdlib.h> #include "gpio.h" @@ -75,8 +74,7 @@ uint8_t board_id(void) int tristate_id; gpio_t gpio[] = { BD_ID0, BD_ID1 }; - tristate_id = gpio_get_in_tristate_values(gpio, - ARRAY_SIZE(gpio), 0); + tristate_id = gpio_get_tristates(gpio, ARRAY_SIZE(gpio), 0); for (i = 0; i < ARRAY_SIZE(bdid_map); i++) { if (tristate_id != bdid_map[i].tri_state_value) diff --git a/src/mainboard/google/rush_ryu/chromeos.c b/src/mainboard/google/rush_ryu/chromeos.c index 521fe59372..f752aeee6c 100644 --- a/src/mainboard/google/rush_ryu/chromeos.c +++ b/src/mainboard/google/rush_ryu/chromeos.c @@ -33,7 +33,7 @@ void fill_lb_gpios(struct lb_gpios *gpios) /* Write Protect: active low */ gpios->gpios[count].port = WRITE_PROTECT_L_INDEX; gpios->gpios[count].polarity = ACTIVE_LOW; - gpios->gpios[count].value = gpio_get_in_value(WRITE_PROTECT_L); + gpios->gpios[count].value = gpio_get(WRITE_PROTECT_L); strncpy((char *)gpios->gpios[count].name, "write protect", GPIO_MAX_NAME_LENGTH); count++; @@ -51,7 +51,7 @@ void fill_lb_gpios(struct lb_gpios *gpios) /* Power: active low */ gpios->gpios[count].port = POWER_BUTTON_INDEX, gpios->gpios[count].polarity = ACTIVE_HIGH; - gpios->gpios[count].value = gpio_get_in_value(POWER_BUTTON); + gpios->gpios[count].value = gpio_get(POWER_BUTTON); strncpy((char *)gpios->gpios[count].name, "power", GPIO_MAX_NAME_LENGTH); count++; @@ -86,5 +86,5 @@ int get_recovery_mode_switch(void) int get_write_protect_state(void) { - return !gpio_get_in_value(WRITE_PROTECT_L); + return !gpio_get(WRITE_PROTECT_L); } diff --git a/src/mainboard/google/rush_ryu/gpio.h b/src/mainboard/google/rush_ryu/gpio.h index 9c67420ff0..2792ec389f 100644 --- a/src/mainboard/google/rush_ryu/gpio.h +++ b/src/mainboard/google/rush_ryu/gpio.h @@ -20,7 +20,7 @@ #ifndef __MAINBOARD_GOOGLE_RUSH_RYU_GPIO_H__ #define __MAINBOARD_GOOGLE_RUSH_RYU_GPIO_H__ -#include <soc/gpio.h> +#include <gpio.h> /* Board ID definitions. */ enum { diff --git a/src/mainboard/google/rush_ryu/romstage.c b/src/mainboard/google/rush_ryu/romstage.c index 41c9149be4..fc2379f9b3 100644 --- a/src/mainboard/google/rush_ryu/romstage.c +++ b/src/mainboard/google/rush_ryu/romstage.c @@ -69,7 +69,7 @@ static void lte_modem_init(void) int mdm_det; /* A LTE modem is present if MDM_DET is pulled down by the modem */ - mdm_det = gpio_get_in_value(MDM_DET); + mdm_det = gpio_get(MDM_DET); if (mdm_det == 1) return; diff --git a/src/mainboard/google/storm/boardid.c b/src/mainboard/google/storm/boardid.c index a8dd84439b..878598bf92 100644 --- a/src/mainboard/google/storm/boardid.c +++ b/src/mainboard/google/storm/boardid.c @@ -18,15 +18,15 @@ */ #include <boardid.h> -#include <gpiolib.h> +#include <gpio.h> #include <console/console.h> #include <stdlib.h> /* * Storm boards dedicate to the board ID three GPIOs in tertiary mode: 29, 30 * and 68. On proto0 GPIO68 is used and tied low, so it reads as 'zero' by - * gpio_get_in_tristate_values(), whereas the other two pins are not connected - * and read as 'two'. This results in gpio_get_in_tristate_values() returning + * gpio_get_tristates(), whereas the other two pins are not connected + * and read as 'two'. This results in gpio_get_tristates() returning * 8 on proto0. * * Three tertitiary signals could represent 27 different values. To make @@ -45,8 +45,7 @@ static uint8_t get_board_id(void) gpio_t hw_rev_gpios[] = {29, 30, 68}; int offset = 19; - bid = gpio_get_in_tristate_values(hw_rev_gpios, - ARRAY_SIZE(hw_rev_gpios), 1); + bid = gpio_get_tristates(hw_rev_gpios, ARRAY_SIZE(hw_rev_gpios), 1); bid = (bid + offset) % 27; printk(BIOS_INFO, "Board ID %d\n", bid); diff --git a/src/mainboard/google/storm/cdp.c b/src/mainboard/google/storm/cdp.c index 7e1aeb66ad..78edb26048 100644 --- a/src/mainboard/google/storm/cdp.c +++ b/src/mainboard/google/storm/cdp.c @@ -1,7 +1,7 @@ /* * Copyright (c) 2012 - 2013 The Linux Foundation. All rights reserved.* */ -#include <soc/gpio.h> +#include <gpio.h> #include <soc/cdp.h> #include <types.h> diff --git a/src/mainboard/google/storm/mainboard.c b/src/mainboard/google/storm/mainboard.c index 552f968609..59e7ce7764 100644 --- a/src/mainboard/google/storm/mainboard.c +++ b/src/mainboard/google/storm/mainboard.c @@ -23,9 +23,8 @@ #include <console/console.h> #include <delay.h> #include <device/device.h> -#include <gpiolib.h> +#include <gpio.h> #include <soc/clock.h> -#include <soc/gpio.h> #include <soc/usb.h> #include <string.h> #include <symbols.h> @@ -46,7 +45,7 @@ static void setup_usb(void) #if !CONFIG_BOARD_VARIANT_AP148 gpio_tlmm_config_set(USB_ENABLE_GPIO, FUNC_SEL_GPIO, GPIO_PULL_UP, GPIO_10MA, GPIO_ENABLE); - gpio_set_out_value(USB_ENABLE_GPIO, 1); + gpio_set(USB_ENABLE_GPIO, 1); #endif usb_clock_config(); @@ -86,9 +85,9 @@ static void setup_tpm(void) * make it twice as long. If the output was driven low originally, the * reset pulse will be even longer. */ - gpio_set_out_value(TPM_RESET_GPIO, 0); + gpio_set(TPM_RESET_GPIO, 0); udelay(160); - gpio_set_out_value(TPM_RESET_GPIO, 1); + gpio_set(TPM_RESET_GPIO, 1); } #define SW_RESET_GPIO 26 @@ -106,7 +105,7 @@ static void deassert_sw_reset(void) gpio_tlmm_config_set(SW_RESET_GPIO, FUNC_SEL_GPIO, GPIO_PULL_UP, GPIO_4MA, GPIO_ENABLE); - gpio_set_out_value(SW_RESET_GPIO, 0); + gpio_set(SW_RESET_GPIO, 0); } static void mainboard_init(device_t dev) @@ -148,7 +147,7 @@ static int read_gpio(gpio_t gpio_num) gpio_tlmm_config_set(gpio_num, GPIO_FUNC_DISABLE, GPIO_NO_PULL, GPIO_2MA, GPIO_DISABLE); udelay(10); /* Should be enough to settle. */ - return gpio_get_in_value(gpio_num); + return gpio_get(gpio_num); } void fill_lb_gpios(struct lb_gpios *gpios) diff --git a/src/mainboard/google/veyron_pinky/board.h b/src/mainboard/google/veyron_pinky/board.h index 8d452c8a89..73eb5efc44 100644 --- a/src/mainboard/google/veyron_pinky/board.h +++ b/src/mainboard/google/veyron_pinky/board.h @@ -21,7 +21,7 @@ #define __MAINBOARD_GOOGLE_VEYRON_PINKY_BOARD_H #include <boardid.h> -#include <soc/gpio.h> +#include <gpio.h> #define PMIC_BUS 0 diff --git a/src/mainboard/google/veyron_pinky/boardid.c b/src/mainboard/google/veyron_pinky/boardid.c index 01e92a3d32..d8f4a3d7f7 100644 --- a/src/mainboard/google/veyron_pinky/boardid.c +++ b/src/mainboard/google/veyron_pinky/boardid.c @@ -19,7 +19,7 @@ #include <boardid.h> #include <console/console.h> -#include <soc/gpio.h> +#include <gpio.h> #include <stdlib.h> uint8_t board_id(void) @@ -38,7 +38,7 @@ uint8_t board_id(void) id = 0; for (i = 0; i < ARRAY_SIZE(pins); i++) { gpio_input(pins[i]); - id |= gpio_get_in_value(pins[i]) << i; + id |= gpio_get(pins[i]) << i; } printk(BIOS_SPEW, "Board ID: %#x.\n", id); } diff --git a/src/mainboard/google/veyron_pinky/chromeos.c b/src/mainboard/google/veyron_pinky/chromeos.c index 30cd277623..dc224a5a2f 100644 --- a/src/mainboard/google/veyron_pinky/chromeos.c +++ b/src/mainboard/google/veyron_pinky/chromeos.c @@ -21,7 +21,7 @@ #include <console/console.h> #include <ec/google/chromeec/ec.h> #include <ec/google/chromeec/ec_commands.h> -#include <soc/gpio.h> +#include <gpio.h> #include <string.h> #include <vendorcode/google/chromeos/chromeos.h> @@ -47,7 +47,7 @@ void fill_lb_gpios(struct lb_gpios *gpios) /* Write Protect: active low */ gpios->gpios[count].port = GPIO_WP.raw; gpios->gpios[count].polarity = ACTIVE_LOW; - gpios->gpios[count].value = gpio_get_in_value(GPIO_WP); + gpios->gpios[count].value = gpio_get(GPIO_WP); strncpy((char *)gpios->gpios[count].name, "write protect", GPIO_MAX_NAME_LENGTH); count++; @@ -63,14 +63,14 @@ void fill_lb_gpios(struct lb_gpios *gpios) /* Lid: active high */ gpios->gpios[count].port = GPIO_LID.raw; gpios->gpios[count].polarity = ACTIVE_HIGH; - gpios->gpios[count].value = gpio_get_in_value(GPIO_LID); + gpios->gpios[count].value = gpio_get(GPIO_LID); strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH); count++; /* Power:GPIO active high */ gpios->gpios[count].port = GPIO_POWER.raw; gpios->gpios[count].polarity = ACTIVE_HIGH; - gpios->gpios[count].value = gpio_get_in_value(GPIO_POWER); + gpios->gpios[count].value = gpio_get(GPIO_POWER); strncpy((char *)gpios->gpios[count].name, "power", GPIO_MAX_NAME_LENGTH); count++; @@ -99,7 +99,7 @@ int get_recovery_mode_switch(void) uint32_t ec_events; /* The GPIO is active low. */ - if (!gpio_get_in_value(GPIO_RECOVERY)) + if (!gpio_get(GPIO_RECOVERY)) return 1; ec_events = google_chromeec_get_events_b(); @@ -109,6 +109,6 @@ int get_recovery_mode_switch(void) int get_write_protect_state(void) { - return !gpio_get_in_value(GPIO_WP); + return !gpio_get(GPIO_WP); } diff --git a/src/mainboard/google/veyron_pinky/mainboard.c b/src/mainboard/google/veyron_pinky/mainboard.c index a8cc3c3aa4..2442472b67 100644 --- a/src/mainboard/google/veyron_pinky/mainboard.c +++ b/src/mainboard/google/veyron_pinky/mainboard.c @@ -19,13 +19,13 @@ #include <arch/cache.h> #include <arch/io.h> +#include <boot/coreboot_tables.h> #include <console/console.h> #include <delay.h> #include <device/device.h> -#include <edid.h> -#include <boot/coreboot_tables.h> #include <device/i2c.h> -#include <soc/gpio.h> +#include <edid.h> +#include <gpio.h> #include <soc/grf.h> #include <soc/soc.h> #include <soc/pmu.h> diff --git a/src/mainboard/google/veyron_pinky/reset.c b/src/mainboard/google/veyron_pinky/reset.c index a2777f86d6..9cbe9c1551 100644 --- a/src/mainboard/google/veyron_pinky/reset.c +++ b/src/mainboard/google/veyron_pinky/reset.c @@ -18,7 +18,7 @@ */ #include <arch/io.h> -#include <soc/gpio.h> +#include <gpio.h> #include <reset.h> #include "board.h" diff --git a/src/mainboard/google/veyron_pinky/sdram_configs.c b/src/mainboard/google/veyron_pinky/sdram_configs.c index 1a331cebef..a58c6dd3d3 100644 --- a/src/mainboard/google/veyron_pinky/sdram_configs.c +++ b/src/mainboard/google/veyron_pinky/sdram_configs.c @@ -18,8 +18,8 @@ */ #include <arch/io.h> #include <console/console.h> +#include <gpio.h> #include <soc/sdram.h> -#include <soc/gpio.h> #include <string.h> #include <types.h> @@ -56,10 +56,10 @@ u32 sdram_get_ram_code(void) gpio_input(GPIO_RAMCODE2); gpio_input(GPIO_RAMCODE3); - code = gpio_get_in_value(GPIO_RAMCODE3) << 3 - | gpio_get_in_value(GPIO_RAMCODE2) << 2 - | gpio_get_in_value(GPIO_RAMCODE1) << 1 - | gpio_get_in_value(GPIO_RAMCODE0) << 0; + code = gpio_get(GPIO_RAMCODE3) << 3 + | gpio_get(GPIO_RAMCODE2) << 2 + | gpio_get(GPIO_RAMCODE1) << 1 + | gpio_get(GPIO_RAMCODE0) << 0; return code; } diff --git a/src/soc/nvidia/tegra/gpio.c b/src/soc/nvidia/tegra/gpio.c index 9f09f24547..009334f74c 100644 --- a/src/soc/nvidia/tegra/gpio.c +++ b/src/soc/nvidia/tegra/gpio.c @@ -19,16 +19,15 @@ #include <arch/io.h> #include <console/console.h> +#include <gpio.h> #include <soc/addressmap.h> #include <stddef.h> #include <stdint.h> #include <delay.h> -#include <gpiolib.h> -#include "gpio.h" #include "pinmux.h" -void __gpio_input(gpio_t gpio, u32 pull) +static void __gpio_input(gpio_t gpio, u32 pull) { u32 pinmux_config = PINMUX_INPUT_ENABLE | pull; @@ -38,10 +37,10 @@ void __gpio_input(gpio_t gpio, u32 pull) pinmux_set_config(gpio >> GPIO_PINMUX_SHIFT, pinmux_config); } -void __gpio_output(gpio_t gpio, int value, u32 od) +static void __gpio_output(gpio_t gpio, int value, u32 od) { gpio_set_int_enable(gpio, 0); - gpio_set_out_value(gpio, value); + gpio_set(gpio, value); gpio_set_out_enable(gpio, 1); gpio_set_mode(gpio, GPIO_MODE_GPIO); pinmux_set_config(gpio >> GPIO_PINMUX_SHIFT, PINMUX_PULL_NONE | od); @@ -121,7 +120,7 @@ int gpio_get_out_enable(gpio_t gpio) return (port & (1 << bit)) != 0; } -void gpio_set_out_value(gpio_t gpio, int value) +void gpio_set(gpio_t gpio, int value) { int bit = gpio % GPIO_GPIOS_PER_PORT; gpio_write_port(gpio & ((1 << GPIO_PINMUX_SHIFT) - 1), @@ -137,7 +136,7 @@ int gpio_get_out_value(gpio_t gpio) return (port & (1 << bit)) != 0; } -int gpio_get_in_value(gpio_t gpio) +int gpio_get(gpio_t gpio) { int bit = gpio % GPIO_GPIOS_PER_PORT; u32 port = gpio_read_port(gpio & ((1 << GPIO_PINMUX_SHIFT) - 1), @@ -212,3 +211,13 @@ void gpio_input(gpio_t gpio) { __gpio_input(gpio, PINMUX_PULL_NONE); } + +void gpio_output(gpio_t gpio, int value) +{ + __gpio_output(gpio, value, 0); +} + +void gpio_output_open_drain(gpio_t gpio, int value) +{ + __gpio_output(gpio, value, PINMUX_OPEN_DRAIN); +} diff --git a/src/soc/nvidia/tegra/gpio.h b/src/soc/nvidia/tegra/gpio.h index 2ad3ab3e5f..72c7179f7c 100644 --- a/src/soc/nvidia/tegra/gpio.h +++ b/src/soc/nvidia/tegra/gpio.h @@ -21,29 +21,15 @@ #define __SOC_NVIDIA_TEGRA_GPIO_H__ #include <stdint.h> -#include <gpiolib.h> #include "pinmux.h" +typedef u32 gpio_t; + #define GPIO_PINMUX_SHIFT 16 #define GPIO(name) ((gpio_t)(GPIO_##name##_INDEX | \ (PINMUX_GPIO_##name << GPIO_PINMUX_SHIFT))) -void __gpio_output(gpio_t gpio, int value, u32 open_drain); -void __gpio_input(gpio_t gpio, u32 pull); - -/* Higher level function wrappers for common GPIO configurations. */ - -static inline void gpio_output(gpio_t gpio, int value) -{ - __gpio_output(gpio, value, 0); -} - -static inline void gpio_output_open_drain(gpio_t gpio, int value) -{ - __gpio_output(gpio, value, PINMUX_OPEN_DRAIN); -} - /* Functions to modify specific GPIO control values. */ enum gpio_mode { @@ -72,6 +58,8 @@ void gpio_get_int_level(gpio_t gpio, int *high_rise, int *edge, int *delta); void gpio_set_int_clear(gpio_t gpio); +void gpio_output_open_drain(gpio_t gpio, int value); + /* Hardware definitions. */ enum { diff --git a/src/soc/nvidia/tegra/software_i2c.c b/src/soc/nvidia/tegra/software_i2c.c index 35fc1af3cc..d1172bcde6 100644 --- a/src/soc/nvidia/tegra/software_i2c.c +++ b/src/soc/nvidia/tegra/software_i2c.c @@ -18,7 +18,7 @@ */ #include <device/i2c.h> -#include <soc/gpio.h> +#include <gpio.h> #include <soc/pinmux.h> #include "i2c.h" @@ -58,12 +58,12 @@ static void tegra_set_scl(unsigned bus, int high) static int tegra_get_sda(unsigned bus) { - return gpio_get_in_value(pins[bus].sda); + return gpio_get(pins[bus].sda); } static int tegra_get_scl(unsigned bus) { - return gpio_get_in_value(pins[bus].scl); + return gpio_get(pins[bus].scl); } static struct software_i2c_ops tegra_ops = { diff --git a/src/soc/nvidia/tegra124/chip.h b/src/soc/nvidia/tegra124/chip.h index c3652a182a..acabd37f7b 100644 --- a/src/soc/nvidia/tegra124/chip.h +++ b/src/soc/nvidia/tegra124/chip.h @@ -20,8 +20,8 @@ #ifndef __SOC_NVIDIA_TEGRA124_CHIP_H__ #define __SOC_NVIDIA_TEGRA124_CHIP_H__ #include <arch/cache.h> +#include <gpio.h> #include <soc/addressmap.h> -#include <soc/gpio.h> #define EFAULT 1 #define EINVAL 2 diff --git a/src/soc/qualcomm/ipq806x/gpio.c b/src/soc/qualcomm/ipq806x/gpio.c index 46dca4e3c3..a0a3df9495 100644 --- a/src/soc/qualcomm/ipq806x/gpio.c +++ b/src/soc/qualcomm/ipq806x/gpio.c @@ -29,7 +29,7 @@ */ #include <arch/io.h> -#include <soc/gpio.h> +#include <gpio.h> #include <soc/iomap.h> /******************************************************* @@ -116,7 +116,7 @@ unsigned *out - Value of GPIO output Return : None *******************************************************/ -int gpio_get_in_value(gpio_t gpio) +int gpio_get(gpio_t gpio) { if (gpio_not_valid(gpio)) return -1; @@ -126,7 +126,7 @@ int gpio_get_in_value(gpio_t gpio) GPIO_IO_IN_MASK; } -void gpio_set_out_value(gpio_t gpio, int value) +void gpio_set(gpio_t gpio, int value) { if (gpio_not_valid(gpio)) return; diff --git a/src/soc/qualcomm/ipq806x/include/soc/gpio.h b/src/soc/qualcomm/ipq806x/include/soc/gpio.h index 276022c0af..35429917ed 100644 --- a/src/soc/qualcomm/ipq806x/include/soc/gpio.h +++ b/src/soc/qualcomm/ipq806x/include/soc/gpio.h @@ -33,7 +33,7 @@ #ifndef __SOC_QUALCOMM_IPQ806X_GPIO_H_ #define __SOC_QUALCOMM_IPQ806X_GPIO_H_ -#include <gpiolib.h> +#include <types.h> #define GPIO_FUNC_ENABLE 1 #define GPIO_FUNC_DISABLE 0 @@ -90,6 +90,8 @@ #define GPIO_IO_IN_SHIFT 0 #define GPIO_IO_OUT_SHIFT 1 +typedef u32 gpio_t; + void gpio_tlmm_config_set(gpio_t gpio, unsigned int func, unsigned int pull, unsigned int drvstr, unsigned int enable); diff --git a/src/soc/qualcomm/ipq806x/spi.c b/src/soc/qualcomm/ipq806x/spi.c index 4cf64ebadc..0f72cac6be 100644 --- a/src/soc/qualcomm/ipq806x/spi.c +++ b/src/soc/qualcomm/ipq806x/spi.c @@ -4,7 +4,7 @@ #include <arch/io.h> #include <delay.h> -#include <soc/gpio.h> +#include <gpio.h> #include <soc/iomap.h> #include <soc/spi.h> #include <stdlib.h> diff --git a/src/soc/qualcomm/ipq806x/uart.c b/src/soc/qualcomm/ipq806x/uart.c index 3e8e187fde..0a19e9a4f2 100644 --- a/src/soc/qualcomm/ipq806x/uart.c +++ b/src/soc/qualcomm/ipq806x/uart.c @@ -36,8 +36,8 @@ #include <console/console.h> #include <console/uart.h> #include <delay.h> +#include <gpio.h> #include <soc/clock.h> -#include <soc/gpio.h> #include <soc/gsbi.h> #include <soc/ipq_uart.h> #include <stdint.h> diff --git a/src/soc/rockchip/rk3288/gpio.c b/src/soc/rockchip/rk3288/gpio.c index c3784ec4a8..b84d6a0821 100644 --- a/src/soc/rockchip/rk3288/gpio.c +++ b/src/soc/rockchip/rk3288/gpio.c @@ -19,10 +19,10 @@ #include <arch/io.h> #include <console/console.h> -#include <soc/soc.h> -#include <soc/gpio.h> +#include <gpio.h> #include <soc/grf.h> #include <soc/pmu.h> +#include <soc/soc.h> #include <stdlib.h> struct rk3288_gpio_regs *gpio_port[] = { @@ -72,7 +72,7 @@ void gpio_input_pullup(gpio_t gpio) __gpio_input(gpio, PULLUP); } -int gpio_get_in_value(gpio_t gpio) +int gpio_get(gpio_t gpio) { return (readl(&gpio_port[gpio.port]->ext_porta) >> gpio.num) & 0x1; } diff --git a/src/soc/rockchip/rk3288/include/soc/gpio.h b/src/soc/rockchip/rk3288/include/soc/gpio.h index c459de9321..6a0055ecb6 100644 --- a/src/soc/rockchip/rk3288/include/soc/gpio.h +++ b/src/soc/rockchip/rk3288/include/soc/gpio.h @@ -67,10 +67,4 @@ enum { GPIO_D, }; -void gpio_input(gpio_t gpio); -void gpio_input_pulldown(gpio_t gpio); -void gpio_input_pullup(gpio_t gpio); -void gpio_output(gpio_t gpio, int value); -int gpio_get_in_value(gpio_t gpio); - -#endif /* _ASM_ROCKCHIP_GPIO_H_ */ +#endif /* __SOC_ROCKCHIP_RK3288_GPIO_H__ */ diff --git a/src/soc/rockchip/rk3288/soc.c b/src/soc/rockchip/rk3288/soc.c index e379644680..3048547ff9 100644 --- a/src/soc/rockchip/rk3288/soc.c +++ b/src/soc/rockchip/rk3288/soc.c @@ -22,7 +22,7 @@ #include <console/console.h> #include <delay.h> #include <device/device.h> -#include <soc/gpio.h> +#include <gpio.h> #include <soc/soc.h> #include <stddef.h> #include <stdlib.h> diff --git a/src/soc/samsung/exynos5250/include/soc/gpio.h b/src/soc/samsung/exynos5250/include/soc/gpio.h index bbe97a1048..398e7b02de 100644 --- a/src/soc/samsung/exynos5250/include/soc/gpio.h +++ b/src/soc/samsung/exynos5250/include/soc/gpio.h @@ -22,6 +22,8 @@ #include <soc/cpu.h> +/* TODO: Align interface to src/include/gpio.h! */ + struct gpio_bank { unsigned int con; unsigned int dat; diff --git a/src/soc/samsung/exynos5420/include/soc/gpio.h b/src/soc/samsung/exynos5420/include/soc/gpio.h index 1c6a77b7c4..ee34bc3abf 100644 --- a/src/soc/samsung/exynos5420/include/soc/gpio.h +++ b/src/soc/samsung/exynos5420/include/soc/gpio.h @@ -22,6 +22,8 @@ #include <soc/cpu.h> +/* TODO: Align interface to src/include/gpio.h! */ + struct gpio_bank { unsigned int con; unsigned int dat; |