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authorKyösti Mälkki <kyosti.malkki@gmail.com>2023-04-10 17:03:32 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2023-04-26 10:53:16 +0000
commite742b68f1ac9324ce1f700323f1226e86d068a8c (patch)
treeb7fc74a0d5a1d6b3ba0773b59839d2bc15fddcb0 /src/southbridge/amd/pi
parentae1b2d49cf0ad09ff8f1e3904a9e7b23d6fb423b (diff)
arch/x86/ioapic: Promote ioapic_get_sci_pin()
Platform needs to implement this to provide information about SCI IRQ pin and polarity, to be used for filling in ACPI FADT and MADT entries. Change-Id: Icea7e9ca4abf3997c01617d2f78f25036d85a52f Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/74337 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/southbridge/amd/pi')
-rw-r--r--src/southbridge/amd/pi/hudson/fadt.c2
-rw-r--r--src/southbridge/amd/pi/hudson/hudson.h2
-rw-r--r--src/southbridge/amd/pi/hudson/sm.c7
3 files changed, 9 insertions, 2 deletions
diff --git a/src/southbridge/amd/pi/hudson/fadt.c b/src/southbridge/amd/pi/hudson/fadt.c
index 1865d36b2c..fe65fb23da 100644
--- a/src/southbridge/amd/pi/hudson/fadt.c
+++ b/src/southbridge/amd/pi/hudson/fadt.c
@@ -25,8 +25,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
{
printk(BIOS_DEBUG, "pm_base: 0x%04x\n", HUDSON_ACPI_IO_BASE);
- fadt->sci_int = 9; /* HUDSON - IRQ 09 - ACPI SCI */
-
if (permanent_smi_handler()) {
fadt->smi_cmd = ACPI_SMI_CTL_PORT;
fadt->acpi_enable = ACPI_SMI_CMD_ENABLE;
diff --git a/src/southbridge/amd/pi/hudson/hudson.h b/src/southbridge/amd/pi/hudson/hudson.h
index e202824936..231766b472 100644
--- a/src/southbridge/amd/pi/hudson/hudson.h
+++ b/src/southbridge/amd/pi/hudson/hudson.h
@@ -42,6 +42,8 @@
#define ACPI_GPE0_BLK (HUDSON_ACPI_IO_BASE + 0x10) /* 8 bytes */
#define ACPI_CPU_CONTROL (HUDSON_ACPI_IO_BASE + 0x08) /* 6 bytes */
+#define ACPI_SCI_IRQ 9
+
#define ACPI_SMI_CTL_PORT 0xb2
#define ACPI_SMI_CMD_CST_CONTROL 0xde
#define ACPI_SMI_CMD_PST_CONTROL 0xad
diff --git a/src/southbridge/amd/pi/hudson/sm.c b/src/southbridge/amd/pi/hudson/sm.c
index 2dc2ae3924..593f54805d 100644
--- a/src/southbridge/amd/pi/hudson/sm.c
+++ b/src/southbridge/amd/pi/hudson/sm.c
@@ -19,6 +19,13 @@
* HUDSON enables SATA by default in SMBUS Control.
*/
+void ioapic_get_sci_pin(u8 *gsi, u8 *irq, u8 *flags)
+{
+ *gsi = ACPI_SCI_IRQ;
+ *irq = ACPI_SCI_IRQ;
+ *flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW;
+}
+
static void sm_init(struct device *dev)
{
register_new_ioapic_gsi0(VIO_APIC_VADDR);