summaryrefslogtreecommitdiff
path: root/src/soc
diff options
context:
space:
mode:
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/amd/common/block/gpio_banks/gpio.c52
-rw-r--r--src/soc/amd/common/block/include/amdblocks/smi.h1
-rw-r--r--src/soc/amd/common/block/smi/smi_util.c5
3 files changed, 12 insertions, 46 deletions
diff --git a/src/soc/amd/common/block/gpio_banks/gpio.c b/src/soc/amd/common/block/gpio_banks/gpio.c
index 1d664cb54a..711b779e51 100644
--- a/src/soc/amd/common/block/gpio_banks/gpio.c
+++ b/src/soc/amd/common/block/gpio_banks/gpio.c
@@ -45,12 +45,6 @@ static void program_smi(uint32_t flags, int gevent_num)
configure_gevent_smi(gevent_num, SMI_MODE_SMI, level);
}
-struct sci_trigger_regs {
- uint32_t mask;
- uint32_t polarity;
- uint32_t level;
-};
-
/*
* For each general purpose event, GPE, the choice of edge/level triggered
* event is represented as a single bit in SMI_SCI_LEVEL register.
@@ -58,37 +52,24 @@ struct sci_trigger_regs {
* In a similar fashion, polarity (rising/falling, hi/lo) of each GPE is
* represented as a single bit in SMI_SCI_TRIG register.
*/
-static void fill_sci_trigger(uint32_t flags, int gpe, struct sci_trigger_regs *regs)
+static void program_sci(uint32_t flags, int gevent_num)
{
- uint32_t mask = 1 << gpe;
+ struct sci_source sci;
- regs->mask |= mask;
+ sci.scimap = gevent_num;
+ sci.gpe = gevent_num;
if (is_gpio_event_level_triggered(flags))
- regs->level |= mask;
+ sci.level = SMI_SCI_LVL;
else
- regs->level &= ~mask;
+ sci.level = SMI_SCI_EDG;
if (is_gpio_event_active_high(flags))
- regs->polarity |= mask;
+ sci.direction = SMI_SCI_LVL_HIGH;
else
- regs->polarity &= ~mask;
-}
-
-/* TODO: See configure_scimap() implementations. */
-static void set_sci_trigger(const struct sci_trigger_regs *regs)
-{
- uint32_t value;
+ sci.direction = SMI_SCI_LVL_LOW;
- value = smi_read32(SMI_SCI_TRIG);
- value &= ~regs->mask;
- value |= regs->polarity;
- smi_write32(SMI_SCI_TRIG, value);
-
- value = smi_read32(SMI_SCI_LEVEL);
- value &= ~regs->mask;
- value |= regs->level;
- smi_write32(SMI_SCI_LEVEL, value);
+ configure_scimap(&sci);
}
uintptr_t gpio_get_address(gpio_t gpio_num)
@@ -179,8 +160,7 @@ uint16_t gpio_acpi_pin(gpio_t gpio)
return gpio;
}
-static void set_single_gpio(const struct soc_amd_gpio *g,
- struct sci_trigger_regs *sci_trigger_cfg)
+static void set_single_gpio(const struct soc_amd_gpio *g)
{
static const struct soc_amd_event *gev_tbl;
static size_t gev_items;
@@ -214,16 +194,12 @@ static void set_single_gpio(const struct soc_amd_gpio *g,
if (g->flags & GPIO_FLAG_SMI) {
program_smi(g->flags, gevent_num);
} else if (g->flags & GPIO_FLAG_SCI) {
- fill_sci_trigger(g->flags, gevent_num, sci_trigger_cfg);
- soc_route_sci(gevent_num);
+ program_sci(g->flags, gevent_num);
}
}
void program_gpios(const struct soc_amd_gpio *gpio_list_ptr, size_t size)
{
- struct sci_trigger_regs sci_trigger_cfg = { 0 };
- const bool can_set_smi_flags = !(CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK) &&
- ENV_SEPARATE_VERSTAGE);
size_t i;
if (!gpio_list_ptr || !size)
@@ -242,7 +218,7 @@ void program_gpios(const struct soc_amd_gpio *gpio_list_ptr, size_t size)
master_switch_clr(GPIO_MASK_STS_EN | GPIO_INTERRUPT_EN);
for (i = 0; i < size; i++)
- set_single_gpio(&gpio_list_ptr[i], &sci_trigger_cfg);
+ set_single_gpio(&gpio_list_ptr[i]);
/*
* Re-enable interrupt status generation.
@@ -252,10 +228,6 @@ void program_gpios(const struct soc_amd_gpio *gpio_list_ptr, size_t size)
* to be missed during boot.
*/
master_switch_set(GPIO_INTERRUPT_EN);
-
- /* Set all SCI trigger polarity (high/low) and level (edge/level). */
- if (can_set_smi_flags)
- set_sci_trigger(&sci_trigger_cfg);
}
int gpio_interrupt_status(gpio_t gpio)
diff --git a/src/soc/amd/common/block/include/amdblocks/smi.h b/src/soc/amd/common/block/include/amdblocks/smi.h
index 60602a8f31..b870f16cdb 100644
--- a/src/soc/amd/common/block/include/amdblocks/smi.h
+++ b/src/soc/amd/common/block/include/amdblocks/smi.h
@@ -46,7 +46,6 @@ void configure_gevent_smi(uint8_t gevent, uint8_t mode, uint8_t level);
void configure_scimap(const struct sci_source *sci);
void disable_gevent_smi(uint8_t gevent);
void gpe_configure_sci(const struct sci_source *scis, size_t num_gpes);
-void soc_route_sci(uint8_t event);
void clear_all_smi_status(void);
void clear_smi_sci_status(void);
diff --git a/src/soc/amd/common/block/smi/smi_util.c b/src/soc/amd/common/block/smi/smi_util.c
index b763c3ba1a..ac2f4b450c 100644
--- a/src/soc/amd/common/block/smi/smi_util.c
+++ b/src/soc/amd/common/block/smi/smi_util.c
@@ -72,11 +72,6 @@ void southbridge_smi_set_eos(void)
smi_write32(SMI_REG_SMITRIG0, reg);
}
-void soc_route_sci(uint8_t event)
-{
- smi_write8(SMI_SCI_MAP(event), event);
-}
-
/**
* Configure generation of SCIs.
*/