diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2022-02-02 20:52:54 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-02-03 23:44:24 +0000 |
| commit | bb42f67240c7d69a8784a03565da1239908fe402 (patch) | |
| tree | 0c3faf0ff3e61859228e7e826831a2009e64a986 /src/soc/amd/picasso | |
| parent | 42d8cbf4d28fb13169a413c16507495f18fb9bab (diff) | |
| download | coreboot-bb42f67240c7d69a8784a03565da1239908fe402.tar.gz coreboot-bb42f67240c7d69a8784a03565da1239908fe402.tar.bz2 coreboot-bb42f67240c7d69a8784a03565da1239908fe402.zip | |
soc/amd/*/i2c: introduce and use MISC_I2C_PAD_CTRL(bus) macro
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I9d098a55a5c6f6e022c3896750c752e2759e101b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61567
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Diffstat (limited to 'src/soc/amd/picasso')
| -rw-r--r-- | src/soc/amd/picasso/i2c.c | 6 | ||||
| -rw-r--r-- | src/soc/amd/picasso/include/soc/southbridge.h | 1 |
2 files changed, 3 insertions, 4 deletions
diff --git a/src/soc/amd/picasso/i2c.c b/src/soc/amd/picasso/i2c.c index 925a8324ea63..40cf556b04c7 100644 --- a/src/soc/amd/picasso/i2c.c +++ b/src/soc/amd/picasso/i2c.c @@ -41,10 +41,8 @@ void i2c_set_bar(unsigned int bus, uintptr_t bar) void soc_i2c_misc_init(unsigned int bus, const struct dw_i2c_bus_config *cfg) { uint32_t pad_ctrl; - int misc_reg; - misc_reg = MISC_I2C0_PAD_CTRL + sizeof(uint32_t) * bus; - pad_ctrl = misc_read32(misc_reg); + pad_ctrl = misc_read32(MISC_I2C_PAD_CTRL(bus)); pad_ctrl &= ~I2C_PAD_CTRL_NG_MASK; pad_ctrl |= I2C_PAD_CTRL_NG_NORMAL; @@ -57,7 +55,7 @@ void soc_i2c_misc_init(unsigned int bus, const struct dw_i2c_bus_config *cfg) I2C_PAD_CTRL_FALLSLEW_STD : I2C_PAD_CTRL_FALLSLEW_LOW; pad_ctrl |= I2C_PAD_CTRL_FALLSLEW_EN; - misc_write32(misc_reg, pad_ctrl); + misc_write32(MISC_I2C_PAD_CTRL(bus), pad_ctrl); } const struct soc_i2c_ctrlr_info *soc_get_i2c_ctrlr_info(size_t *num_ctrlrs) diff --git a/src/soc/amd/picasso/include/soc/southbridge.h b/src/soc/amd/picasso/include/soc/southbridge.h index d439e92a2114..2a3e38b43cd1 100644 --- a/src/soc/amd/picasso/include/soc/southbridge.h +++ b/src/soc/amd/picasso/include/soc/southbridge.h @@ -96,6 +96,7 @@ #define MISC_I2C1_PAD_CTRL 0xdc #define MISC_I2C2_PAD_CTRL 0xe0 #define MISC_I2C3_PAD_CTRL 0xe4 +#define MISC_I2C_PAD_CTRL(bus) (MISC_I2C0_PAD_CTRL + 4 * (bus)) #define I2C_PAD_CTRL_NG_MASK (BIT(0) | BIT(1) | BIT(2) | BIT(3)) #define I2C_PAD_CTRL_NG_NORMAL 0xc #define I2C_PAD_CTRL_RX_SEL_MASK (BIT(4) | BIT(5)) |