summaryrefslogtreecommitdiff
path: root/src/soc/amd/cezanne
diff options
context:
space:
mode:
authorFred Reitberger <reitbergerfred@gmail.com>2022-10-17 11:49:55 -0400
committerFelix Held <felix-coreboot@felixheld.de>2022-10-18 16:09:44 +0000
commit13831223bec0fada21a703fa23b06663942f11de (patch)
treeb6de37653ca1a965e7df16fbed4d88b72ec15fe6 /src/soc/amd/cezanne
parentf2b36036c7b2906071543a8c9590fdbb0f53dfc9 (diff)
soc/amd/*/i2c: Move reset_i2c_peripherals to i2c.c
Move i2c SoC related code from early_fch.c to i2c.c TEST=build boards for each SoC Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com> Change-Id: I69d4b32cf95ce74586bd8971c7ee4b56c1c2fc04 Reviewed-on: https://review.coreboot.org/c/coreboot/+/68499 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de> Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com> Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Diffstat (limited to 'src/soc/amd/cezanne')
-rw-r--r--src/soc/amd/cezanne/early_fch.c18
-rw-r--r--src/soc/amd/cezanne/i2c.c19
-rw-r--r--src/soc/amd/cezanne/include/soc/i2c.h1
3 files changed, 20 insertions, 18 deletions
diff --git a/src/soc/amd/cezanne/early_fch.c b/src/soc/amd/cezanne/early_fch.c
index 3addcf8c5d..4935f661db 100644
--- a/src/soc/amd/cezanne/early_fch.c
+++ b/src/soc/amd/cezanne/early_fch.c
@@ -12,13 +12,6 @@
#include "chip.h"
-/* Table to switch SCL pins to outputs to initially reset the I2C peripherals */
-static const struct soc_i2c_scl_pin i2c_scl_pins[] = {
- I2C_RESET_SCL_PIN(I2C0_SCL_PIN, GPIO_I2C0_SCL),
- I2C_RESET_SCL_PIN(I2C1_SCL_PIN, GPIO_I2C1_SCL),
- I2C_RESET_SCL_PIN(I2C2_SCL_PIN, GPIO_I2C2_SCL),
- I2C_RESET_SCL_PIN(I2C3_SCL_PIN, GPIO_I2C3_SCL),
-};
static void lpc_configure_decodes(void)
{
@@ -26,17 +19,6 @@ static void lpc_configure_decodes(void)
lpc_enable_port80();
}
-static void reset_i2c_peripherals(void)
-{
- const struct soc_amd_cezanne_config *cfg = config_of_soc();
- struct soc_i2c_peripheral_reset_info reset_info;
-
- reset_info.i2c_scl_reset_mask = cfg->i2c_scl_reset & GPIO_I2C_MASK;
- reset_info.i2c_scl = i2c_scl_pins;
- reset_info.num_pins = ARRAY_SIZE(i2c_scl_pins);
- sb_reset_i2c_peripherals(&reset_info);
-}
-
/* Before console init */
void fch_pre_init(void)
{
diff --git a/src/soc/amd/cezanne/i2c.c b/src/soc/amd/cezanne/i2c.c
index ae49a064e0..98e2413ee9 100644
--- a/src/soc/amd/cezanne/i2c.c
+++ b/src/soc/amd/cezanne/i2c.c
@@ -6,6 +6,14 @@
#include <soc/southbridge.h>
#include "chip.h"
+/* Table to switch SCL pins to outputs to initially reset the I2C peripherals */
+static const struct soc_i2c_scl_pin i2c_scl_pins[] = {
+ I2C_RESET_SCL_PIN(I2C0_SCL_PIN, GPIO_I2C0_SCL),
+ I2C_RESET_SCL_PIN(I2C1_SCL_PIN, GPIO_I2C1_SCL),
+ I2C_RESET_SCL_PIN(I2C2_SCL_PIN, GPIO_I2C2_SCL),
+ I2C_RESET_SCL_PIN(I2C3_SCL_PIN, GPIO_I2C3_SCL),
+};
+
#if ENV_X86
static const struct soc_i2c_ctrlr_info i2c_ctrlr[I2C_CTRLR_COUNT] = {
{ I2C_MASTER_MODE, APU_I2C0_BASE, "I2C0" },
@@ -32,6 +40,17 @@ void i2c_set_bar(unsigned int bus, uintptr_t bar)
}
#endif
+void reset_i2c_peripherals(void)
+{
+ const struct soc_amd_cezanne_config *cfg = config_of_soc();
+ struct soc_i2c_peripheral_reset_info reset_info;
+
+ reset_info.i2c_scl_reset_mask = cfg->i2c_scl_reset & GPIO_I2C_MASK;
+ reset_info.i2c_scl = i2c_scl_pins;
+ reset_info.num_pins = ARRAY_SIZE(i2c_scl_pins);
+ sb_reset_i2c_peripherals(&reset_info);
+}
+
void soc_i2c_misc_init(unsigned int bus, const struct dw_i2c_bus_config *cfg)
{
const struct soc_amd_cezanne_config *config = config_of_soc();
diff --git a/src/soc/amd/cezanne/include/soc/i2c.h b/src/soc/amd/cezanne/include/soc/i2c.h
index dba16db2db..c0e3e800bb 100644
--- a/src/soc/amd/cezanne/include/soc/i2c.h
+++ b/src/soc/amd/cezanne/include/soc/i2c.h
@@ -24,5 +24,6 @@
#define I2C3_SCL_PIN_IOMUX_GPIOxx GPIO_19_IOMUX_GPIOxx
void i2c_set_bar(unsigned int bus, uintptr_t bar);
+void reset_i2c_peripherals(void);
#endif /* AMD_CEZANNE_I2C_H */