Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson. Felix Held has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/61567 )
Change subject: soc/amd/*/i2c: introduce and use MISC_I2CX_PAD_CTRL(bus) macro ......................................................................
soc/amd/*/i2c: introduce and use MISC_I2CX_PAD_CTRL(bus) macro
Signed-off-by: Felix Held felix-coreboot@felixheld.de Change-Id: I9d098a55a5c6f6e022c3896750c752e2759e101b --- M src/soc/amd/cezanne/i2c.c M src/soc/amd/cezanne/include/soc/southbridge.h M src/soc/amd/picasso/i2c.c M src/soc/amd/picasso/include/soc/southbridge.h M src/soc/amd/sabrina/i2c.c M src/soc/amd/sabrina/include/soc/southbridge.h 6 files changed, 9 insertions(+), 12 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/67/61567/1
diff --git a/src/soc/amd/cezanne/i2c.c b/src/soc/amd/cezanne/i2c.c index 153fa7c..1fcab6a 100644 --- a/src/soc/amd/cezanne/i2c.c +++ b/src/soc/amd/cezanne/i2c.c @@ -37,13 +37,11 @@ { const struct soc_amd_cezanne_config *config = config_of_soc(); uint32_t pad_ctrl; - int misc_reg;
if (bus >= ARRAY_SIZE(config->i2c_pad_ctrl_rx_sel)) return;
- 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; @@ -55,7 +53,7 @@ pad_ctrl |= cfg->speed == I2C_SPEED_STANDARD ? 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/cezanne/include/soc/southbridge.h b/src/soc/amd/cezanne/include/soc/southbridge.h index 113395e..9c68d38 100644 --- a/src/soc/amd/cezanne/include/soc/southbridge.h +++ b/src/soc/amd/cezanne/include/soc/southbridge.h @@ -116,6 +116,7 @@ #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)) diff --git a/src/soc/amd/picasso/i2c.c b/src/soc/amd/picasso/i2c.c index 925a832..40cf556 100644 --- a/src/soc/amd/picasso/i2c.c +++ b/src/soc/amd/picasso/i2c.c @@ -41,10 +41,8 @@ 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 @@ 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 d439e92..2a3e38b 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)) diff --git a/src/soc/amd/sabrina/i2c.c b/src/soc/amd/sabrina/i2c.c index f3eaf4e..89751d5 100644 --- a/src/soc/amd/sabrina/i2c.c +++ b/src/soc/amd/sabrina/i2c.c @@ -39,13 +39,11 @@ { const struct soc_amd_sabrina_config *config = config_of_soc(); uint32_t pad_ctrl; - int misc_reg;
if (bus >= ARRAY_SIZE(config->i2c_pad_ctrl_rx_sel)) return;
- 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 @@ pad_ctrl |= cfg->speed == I2C_SPEED_STANDARD ? 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/sabrina/include/soc/southbridge.h b/src/soc/amd/sabrina/include/soc/southbridge.h index 7b5644b..e85a052 100644 --- a/src/soc/amd/sabrina/include/soc/southbridge.h +++ b/src/soc/amd/sabrina/include/soc/southbridge.h @@ -117,6 +117,7 @@ #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))