diff options
| author | Shawn Nematbakhsh <shawnn@chromium.org> | 2013-10-18 17:13:18 -0700 |
|---|---|---|
| committer | Aaron Durbin <adurbin@google.com> | 2014-02-16 20:38:23 +0100 |
| commit | 9956b72d567268dec936238f8da5e3e8451bfb8c (patch) | |
| tree | 9171b5051ced3b1f1438eac7d29a77bde025d940 | |
| parent | 6c52ba77797c2ac62dcdb74e1bdd898003b9bc3b (diff) | |
| download | coreboot-9956b72d567268dec936238f8da5e3e8451bfb8c.tar.xz | |
baytrail: Modify GPIO pull-up specification method
Minor style changes to the way GPIO pull-ups are specified in
board-specific GPIO maps. Intent is to allow calls to GPIO_FUNC macro
from such maps.
BUG=chrome-os-partner:22863
TEST=Manual. Build + boot on bayleybay.
Change-Id: I80134b65d22d3ad8a049837dccc0985e321645da
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/173748
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: David James <davidjames@chromium.org>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4886
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
| -rw-r--r-- | src/soc/intel/baytrail/baytrail/gpio.h | 49 |
1 files changed, 18 insertions, 31 deletions
diff --git a/src/soc/intel/baytrail/baytrail/gpio.h b/src/soc/intel/baytrail/baytrail/gpio.h index a180ba73b7..8d7925b32b 100644 --- a/src/soc/intel/baytrail/baytrail/gpio.h +++ b/src/soc/intel/baytrail/baytrail/gpio.h @@ -105,9 +105,9 @@ #define PAD_PU_40K (3 << 9) /* config0[8:7] - Pull assign */ -#define PAD_PU_DISABLE (0 << 7) -#define PAD_PU_UP (1 << 7) -#define PAD_PU_DOWN (2 << 7) +#define PAD_PULL_DISABLE (0 << 7) +#define PAD_PULL_UP (1 << 7) +#define PAD_PULL_DOWN (2 << 7) /* config0[2:0] - Func. pin mux */ #define PAD_FUNC0 0x0 @@ -146,7 +146,7 @@ * legacy config -- so also configure the pad regs as GPIO. We rely upon * the fact that all GPNCORE pads are function 0 GPIO. */ #define GPIO_INPUT_PU_10K \ - { .pad_conf0 = PAD_PU_10K | PAD_PU_UP | PAD_CONFIG0_DEFAULT \ + { .pad_conf0 = PAD_PU_10K | PAD_PULL_UP | PAD_CONFIG0_DEFAULT \ | PAD_FUNC0, \ .pad_conf1 = PAD_CONFIG1_DEFAULT, \ .pad_val = PAD_VAL_INPUT_ENABLE, \ @@ -154,7 +154,7 @@ .io_sel = GPIO_DIR_INPUT } #define GPIO_INPUT_PD_10K \ - { .pad_conf0 = PAD_PU_10K | PAD_PU_DOWN | PAD_CONFIG0_DEFAULT \ + { .pad_conf0 = PAD_PU_10K | PAD_PULL_DOWN | PAD_CONFIG0_DEFAULT \ | PAD_FUNC0, \ .pad_conf1 = PAD_CONFIG1_DEFAULT, \ .pad_val = PAD_VAL_INPUT_ENABLE, \ @@ -162,7 +162,7 @@ .io_sel = GPIO_DIR_INPUT } #define GPIO_INPUT_NOPU \ - { .pad_conf0 = PAD_PU_10K | PAD_PU_DISABLE | PAD_CONFIG0_DEFAULT \ + { .pad_conf0 = PAD_PU_10K | PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT \ | PAD_FUNC0, \ .pad_conf1 = PAD_CONFIG1_DEFAULT, \ .pad_val = PAD_VAL_INPUT_ENABLE, \ @@ -170,7 +170,7 @@ .io_sel = GPIO_DIR_INPUT } #define GPIO_OUT_LOW \ - { .pad_conf0 = PAD_PU_DISABLE | PAD_CONFIG0_DEFAULT \ + { .pad_conf0 = PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT \ | PAD_FUNC0, \ .pad_conf1 = PAD_CONFIG1_DEFAULT, \ .pad_val = PAD_VAL_OUTPUT_ENABLE | PAD_VAL_LOW, \ @@ -179,7 +179,7 @@ .gp_lvl = GPIO_LEVEL_LOW } #define GPIO_OUT_HIGH \ - { .pad_conf0 = PAD_PU_DISABLE | PAD_CONFIG0_DEFAULT \ + { .pad_conf0 = PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT \ | PAD_FUNC0, \ .pad_conf1 = PAD_CONFIG1_DEFAULT, \ .pad_val = PAD_VAL_OUTPUT_ENABLE | PAD_VAL_HIGH, \ @@ -188,34 +188,21 @@ .gp_lvl = GPIO_LEVEL_HIGH } /* Define no-pull / PU / PD configs for each functional config option */ -#define _GPIO_FUNC(_func, _pu, _str) \ +#define GPIO_FUNC(_func, _pudir, _str) \ { .use_sel = GPIO_USE_PAD, \ - .pad_conf0 = PAD_FUNC##_func | PAD_PU_##_pu | PAD_PU_##_str | \ + .pad_conf0 = PAD_FUNC##_func | PAD_##_pudir | PAD_PU_##_str | \ PAD_CONFIG0_DEFAULT, \ .pad_conf1 = PAD_CONFIG1_DEFAULT, \ .pad_val = PAD_VAL_DEFAULT } -#define GPIO_FUNC0 _GPIO_FUNC(0, DISABLE, 10K) -#define GPIO_FUNC0_PU_10K _GPIO_FUNC(0, UP, 10K) -#define GPIO_FUNC0_PD_10K _GPIO_FUNC(0, DOWN, 10K) -#define GPIO_FUNC1 _GPIO_FUNC(1, DISABLE, 10K) -#define GPIO_FUNC1_PU_10K _GPIO_FUNC(1, UP, 10K) -#define GPIO_FUNC1_PD_10K _GPIO_FUNC(1, DOWN, 10K) -#define GPIO_FUNC2 _GPIO_FUNC(2, DISABLE, 10K) -#define GPIO_FUNC2_PU_10K _GPIO_FUNC(2, UP, 10K) -#define GPIO_FUNC2_PD_10K _GPIO_FUNC(2, DOWN, 10K) -#define GPIO_FUNC3 _GPIO_FUNC(3, DISABLE, 10K) -#define GPIO_FUNC3_PU_10K _GPIO_FUNC(3, UP, 10K) -#define GPIO_FUNC3_PD_10K _GPIO_FUNC(3, DOWN, 10K) -#define GPIO_FUNC4 _GPIO_FUNC(4, DISABLE, 10K) -#define GPIO_FUNC4_PU_10K _GPIO_FUNC(4, UP, 10K) -#define GPIO_FUNC4_PD_10K _GPIO_FUNC(4, DOWN, 10K) -#define GPIO_FUNC5 _GPIO_FUNC(5, DISABLE, 10K) -#define GPIO_FUNC5_PU_10K _GPIO_FUNC(5, UP, 10K) -#define GPIO_FUNC5_PD_10K _GPIO_FUNC(5, DOWN, 10K) -#define GPIO_FUNC6 _GPIO_FUNC(6, DISABLE, 10K) -#define GPIO_FUNC6_PU_10K _GPIO_FUNC(6, UP, 10K) -#define GPIO_FUNC6_PD_10K _GPIO_FUNC(6, DOWN, 10K) +/* Default functional configs -- no PU */ +#define GPIO_FUNC0 GPIO_FUNC(0, PULL_DISABLE, 10K) +#define GPIO_FUNC1 GPIO_FUNC(1, PULL_DISABLE, 10K) +#define GPIO_FUNC2 GPIO_FUNC(2, PULL_DISABLE, 10K) +#define GPIO_FUNC3 GPIO_FUNC(3, PULL_DISABLE, 10K) +#define GPIO_FUNC4 GPIO_FUNC(4, PULL_DISABLE, 10K) +#define GPIO_FUNC5 GPIO_FUNC(5, PULL_DISABLE, 10K) +#define GPIO_FUNC6 GPIO_FUNC(6, PULL_DISABLE, 10K) /* End marker */ #define GPIO_LIST_END 0xffffffff |