soc/intel/xeon_sp/skx: Clean up FADT

Both `acpi_fill_fadt` and `soc_fill_fadt` set many FADT fields. Since
the latter runs later, the values programmed in it overwrite any other
values. Drop unused assignments and consolidate everything in a single
function. Use `acpi_fill_fadt` as it is mandatory (no weak definition).

Change-Id: Ia8248f20dae2b93426f309605bb2076592b08df4
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43386
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Maxim Polyakov <max.senia.poliak@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 19 insertions, 92 deletions

diff --git a/src/soc/intel/xeon_sp/skx/acpi.c b/src/soc/intel/xeon_sp/skx/acpi.c
index 7148a478e0..cdc89d0939 100644
--- a/src/soc/intel/xeon_sp/skx/acpi.c
+++ b/src/soc/intel/xeon_sp/skx/acpi.c
@@ -221,15 +221,31 @@ void generate_cpu_entries(const struct device *device)
 	acpigen_write_processor_cnot(threads_per_package);
 }
 
-void soc_fill_fadt(acpi_fadt_t *fadt)
+void acpi_fill_fadt(acpi_fadt_t *fadt)
 {
-	uint16_t pmbase = ACPI_BASE_ADDRESS;
+	const uint16_t pmbase = ACPI_BASE_ADDRESS;
+
+	fadt->header.revision = get_acpi_table_revision(FADT);
+
+	fadt->sci_int = acpi_sci_irq();
+
+	/* TODO: enabled SMM mode switch when SMM handlers are set up. */
+	if (0 && permanent_smi_handler()) {
+		fadt->smi_cmd = APM_CNT;
+		fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
+		fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
+	}
 
 	/* Power Control */
+	fadt->pm1a_evt_blk = pmbase + PM1_STS;
+	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
 	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
+	fadt->gpe0_blk = pmbase + GPE0_STS(0);
 
 	/* Control Registers - Length */
+	fadt->pm1_evt_len = 4;
+	fadt->pm1_cnt_len = 2;
 	fadt->pm2_cnt_len = 1;
 	fadt->pm_tmr_len = 4;
 	/* There are 4 GPE0 STS/EN pairs each 32 bits wide. */
@@ -242,7 +258,7 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 	fadt->duty_width = 0;
 
 	/* RTC Registers */
-	fadt->day_alrm = 0x0D;
+	fadt->day_alrm = 0x0d;
 	fadt->mon_alrm = 0x00;
 	fadt->century = 0x00;
 	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
@@ -302,95 +318,6 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_gpe0_blk.addrh = 0x00;
 }
 
-void acpi_fill_fadt(acpi_fadt_t *fadt)
-{
-	const uint16_t pmbase = ACPI_BASE_ADDRESS;
-
-	fadt->header.revision = get_acpi_table_revision(FADT);
-
-	fadt->sci_int = acpi_sci_irq();
-
-	/* TODO: enabled SMM mode switch when SMM handlers are set up. */
-	if (0 && permanent_smi_handler()) {
-		fadt->smi_cmd = APM_CNT;
-		fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
-		fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
-	}
-
-	fadt->pm1a_evt_blk = pmbase + PM1_STS;
-	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
-	fadt->pm_tmr_blk = pmbase + PM1_TMR;
-	fadt->gpe0_blk = pmbase + GPE0_STS(0);
-
-	fadt->pm1_evt_len = 4;
-	fadt->pm1_cnt_len = 2;
-	fadt->pm2_cnt_len = 1;
-	fadt->pm_tmr_len = 4;
-	/* There are 4 GPE0 STS/EN pairs each 32 bits wide. */
-	fadt->gpe0_blk_len = 2 * GPE0_REG_MAX * sizeof(uint32_t);
-	fadt->p_lvl2_lat = 1;
-	fadt->p_lvl3_lat = 87;
-	fadt->flush_size = 1024;
-	fadt->flush_stride = 16;
-	fadt->duty_offset = 1;
-	fadt->duty_width = 0;
-	fadt->day_alrm = 0xd;
-	fadt->mon_alrm = 0x00;
-	fadt->century = 0x00;
-	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_FREE;
-	if (!CONFIG(NO_FADT_8042))
-		fadt->iapc_boot_arch |= ACPI_FADT_8042;
-
-	fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
-			ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
-			ACPI_FADT_RESET_REGISTER | ACPI_FADT_SEALED_CASE |
-			ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK;
-
-	fadt->reset_reg.space_id = 1;
-	fadt->reset_reg.bit_width = 8;
-	fadt->reset_reg.bit_offset = 0;
-	fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->reset_reg.addrl = 0xcf9;
-	fadt->reset_reg.addrh = 0;
-	fadt->reset_value = 6;
-
-	fadt->x_pm1a_evt_blk.space_id = 1;
-	fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
-	fadt->x_pm1a_evt_blk.bit_offset = 0;
-	fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
-	fadt->x_pm1a_evt_blk.addrh = 0x0;
-
-	fadt->x_pm1a_cnt_blk.space_id = 1;
-	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
-	fadt->x_pm1a_cnt_blk.bit_offset = 0;
-	fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
-	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
-	fadt->x_pm1a_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm2_cnt_blk.space_id = 1;
-	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
-	fadt->x_pm2_cnt_blk.bit_offset = 0;
-	fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_pm2_cnt_blk.addrl = pmbase + PM2_CNT;
-	fadt->x_pm2_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm_tmr_blk.space_id = 1;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
-
-	fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
-	fadt->x_gpe0_blk.bit_offset = 0;
-	fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
-	fadt->x_gpe0_blk.addrh = 0;
-}
-
 static acpi_tstate_t xeon_sp_tss_table[] = {
 	{ 100, 1000, 0, 0x00, 0 },
 	{ 88, 875, 0, 0x1e, 0 },