soc/amd/cezanne: Fill FADT and MADT

The MADT doesn't populate the IO-APICs yet since we need FSP to
configure those.

The FADT differs from picasso in the following ways:
* The duty_offset is supposed to be 0
* Don't clear x_firmware_ctl_l
* Make the extended addresses use MMIO

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Ib6c3a01084a0de33894885b47c637a292d252ed4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50510
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

2 files changed, 102 insertions, 2 deletions

diff --git a/src/soc/amd/cezanne/acpi.c b/src/soc/amd/cezanne/acpi.c
index 94ca81ba12..ae86d12e19 100644
--- a/src/soc/amd/cezanne/acpi.c
+++ b/src/soc/amd/cezanne/acpi.c
@@ -3,10 +3,32 @@
 /* ACPI - create the Fixed ACPI Description Tables (FADT) */
 
 #include <acpi/acpi.h>
+#include <amdblocks/acpi.h>
+#include <amdblocks/acpimmio.h>
+#include <arch/smp/mpspec.h>
+#include <console/console.h>
+#include <cpu/x86/smm.h>
+#include <soc/acpi.h>
+#include <soc/iomap.h>
+#include <types.h>
+#include "chip.h"
 
 unsigned long acpi_fill_madt(unsigned long current)
 {
-	/* TODO */
+	/* create all subtables for processors */
+	current = acpi_create_madt_lapics(current);
+
+	/* TODO: Add IOAPIC and GNB-IOAPIC */
+
+	current += acpi_create_madt_irqoverride(
+		(acpi_madt_irqoverride_t *)current,
+		MP_BUS_ISA, 0, 2,
+		MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT);
+	current += acpi_create_madt_irqoverride(
+		(acpi_madt_irqoverride_t *)current,
+		MP_BUS_ISA, ACPI_SCI_IRQ, ACPI_SCI_IRQ,
+		MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW);
+
 	return current;
 }
 
@@ -16,5 +38,77 @@ unsigned long acpi_fill_madt(unsigned long current)
  */
 void acpi_fill_fadt(acpi_fadt_t *fadt)
 {
-	/* TODO */
+	const struct soc_amd_common_config *cfg = soc_get_common_config();
+
+	printk(BIOS_DEBUG, "pm_base: 0x%04x\n", ACPI_IO_BASE);
+
+	fadt->sci_int = ACPI_SCI_IRQ;
+
+	if (permanent_smi_handler()) {
+		fadt->smi_cmd = APM_CNT;
+		fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
+		fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
+	}
+
+	fadt->pstate_cnt = 0;
+
+	fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK;
+	fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK;
+	fadt->pm_tmr_blk = ACPI_PM_TMR_BLK;
+	fadt->gpe0_blk = ACPI_GPE0_BLK;
+
+	fadt->pm1_evt_len = 4;	/* 32 bits */
+	fadt->pm1_cnt_len = 2;	/* 16 bits */
+	fadt->pm_tmr_len = 4;	/* 32 bits */
+	fadt->gpe0_blk_len = 8;	/* 64 bits */
+
+	fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED;
+	fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
+	fadt->duty_offset = 0;	/* Not supported */
+	fadt->duty_width = 0;	/* Not supported */
+	fadt->day_alrm = RTC_DATE_ALARM;
+	fadt->mon_alrm = 0;
+	fadt->century = RTC_ALT_CENTURY;
+	fadt->iapc_boot_arch = cfg->fadt_boot_arch; /* legacy free default */
+	fadt->flags |=	ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */
+			ACPI_FADT_C1_SUPPORTED |
+			ACPI_FADT_S4_RTC_WAKE |
+			ACPI_FADT_32BIT_TIMER |
+			ACPI_FADT_PCI_EXPRESS_WAKE |
+			ACPI_FADT_PLATFORM_CLOCK |
+			ACPI_FADT_S4_RTC_VALID |
+			ACPI_FADT_REMOTE_POWER_ON;
+	fadt->flags |= cfg->fadt_flags; /* additional board-specific flags */
+
+	/*
+	 * The Cezanne PPR defines the ACPI registers starting at PMx00000500. This translates
+	 * to 0x300 + 0x500 = 0x800 which is identical to acpimmio_acpi.
+	 */
+	fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_MEMORY;
+	fadt->x_pm1a_evt_blk.bit_width = 32;
+	fadt->x_pm1a_evt_blk.bit_offset = 0;
+	fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
+	fadt->x_pm1a_evt_blk.addrl = (u32)acpimmio_acpi + MMIO_ACPI_PM1_EVT_BLK;
+	fadt->x_pm1a_evt_blk.addrh = 0x0;
+
+	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_MEMORY;
+	fadt->x_pm1a_cnt_blk.bit_width = 16;
+	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 = (u32)acpimmio_acpi + MMIO_ACPI_PM1_CNT_BLK;
+	fadt->x_pm1a_cnt_blk.addrh = 0x0;
+
+	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_MEMORY;
+	fadt->x_pm_tmr_blk.bit_width = 32;
+	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 = (u32)acpimmio_acpi + MMIO_ACPI_PM_TMR_BLK;
+	fadt->x_pm_tmr_blk.addrh = 0x0;
+
+	fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_MEMORY;
+	fadt->x_gpe0_blk.bit_width = 64;
+	fadt->x_gpe0_blk.bit_offset = 0;
+	fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
+	fadt->x_gpe0_blk.addrl = (u32)acpimmio_acpi + MMIO_ACPI_GPE0_BLK;
+	fadt->x_gpe0_blk.addrh = 0x0;
 }
diff --git a/src/soc/amd/cezanne/include/soc/acpi.h b/src/soc/amd/cezanne/include/soc/acpi.h
index 6927d93cff..1b1d2fbb14 100644
--- a/src/soc/amd/cezanne/include/soc/acpi.h
+++ b/src/soc/amd/cezanne/include/soc/acpi.h
@@ -3,5 +3,11 @@
 #ifndef AMD_CEZANNE_ACPI_H
 #define AMD_CEZANNE_ACPI_H
 
+#define ACPI_SCI_IRQ 9
+
+/* RTC Registers */
+#define RTC_DATE_ALARM		0x0d
+#define RTC_ALT_CENTURY		0x32
+#define RTC_CENTURY		0x48
 
 #endif /* AMD_CEZANNE_ACPI_H */