baytrail: fix up FADT

The FADT for baytrail had incorrect offsets leading to
the kernel spewing a huge mess of ACPI errors. Fix these offsets
to be initialized in the chipset code.

BUG=chrome-os-partner:23505
BRANCH=None
TEST=Built and booted into kernel on rambi. Login screen comes up.

Change-Id: I89fc2a4fd800ff01cedf89b51cfb1369aceb9f03
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/175663
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/4941
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

3 files changed, 115 insertions, 108 deletions

diff --git a/src/mainboard/google/rambi/fadt.c b/src/mainboard/google/rambi/fadt.c
index 9c8bd60c9c..0bd33e14a1 100644
--- a/src/mainboard/google/rambi/fadt.c
+++ b/src/mainboard/google/rambi/fadt.c
@@ -18,15 +18,11 @@
  */
 
 #include <string.h>
-#include <device/pci.h>
-#include <arch/acpi.h>
-#include <cpu/x86/smm.h>
+#include <baytrail/acpi.h>
 
 void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 {
 	acpi_header_t *header = &(fadt->header);
-	/* FIXME: hard coded address. */
-	u16 pmbase = 0x400;
 
 	memset((void *) fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
@@ -42,114 +38,12 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	fadt->model = 1;
 	fadt->preferred_pm_profile = PM_MOBILE;
 
-	fadt->sci_int = 0x9;
-	fadt->smi_cmd = APM_CNT;
-	fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
-	fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
-	fadt->s4bios_req = 0x0;
-	fadt->pstate_cnt = 0;
-
-	fadt->pm1a_evt_blk = pmbase;
-	fadt->pm1b_evt_blk = 0x0;
-	fadt->pm1a_cnt_blk = pmbase + 0x4;
-	fadt->pm1b_cnt_blk = 0x0;
-	fadt->pm2_cnt_blk = pmbase + 0x50;
-	fadt->pm_tmr_blk = pmbase + 0x8;
-	fadt->gpe0_blk = pmbase + 0x80;
-	fadt->gpe1_blk = 0;
-
-	fadt->pm1_evt_len = 4;
-	fadt->pm1_cnt_len = 2;
-	fadt->pm2_cnt_len = 1;
-	fadt->pm_tmr_len = 4;
-	fadt->gpe0_blk_len = 32;
-	fadt->gpe1_blk_len = 0;
-	fadt->gpe1_base = 0;
-	fadt->cst_cnt = 0;
-	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_DEVICES | 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.resv = 0;
-	fadt->reset_reg.addrl = 0xcf9;
-	fadt->reset_reg.addrh = 0;
-
-	fadt->reset_value = 6;
 	fadt->x_firmware_ctl_l = (unsigned long)facs;
 	fadt->x_firmware_ctl_h = 0;
 	fadt->x_dsdt_l = (unsigned long)dsdt;
 	fadt->x_dsdt_h = 0;
 
-	fadt->x_pm1a_evt_blk.space_id = 1;
-	fadt->x_pm1a_evt_blk.bit_width = 32;
-	fadt->x_pm1a_evt_blk.bit_offset = 0;
-	fadt->x_pm1a_evt_blk.resv = 0;
-	fadt->x_pm1a_evt_blk.addrl = pmbase;
-	fadt->x_pm1a_evt_blk.addrh = 0x0;
-
-	fadt->x_pm1b_evt_blk.space_id = 1;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.resv = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
-	fadt->x_pm1a_cnt_blk.space_id = 1;
-	fadt->x_pm1a_cnt_blk.bit_width = 16;
-	fadt->x_pm1a_cnt_blk.bit_offset = 0;
-	fadt->x_pm1a_cnt_blk.resv = 0;
-	fadt->x_pm1a_cnt_blk.addrl = pmbase + 0x4;
-	fadt->x_pm1a_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm1b_cnt_blk.space_id = 1;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.resv = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm2_cnt_blk.space_id = 1;
-	fadt->x_pm2_cnt_blk.bit_width = 8;
-	fadt->x_pm2_cnt_blk.bit_offset = 0;
-	fadt->x_pm2_cnt_blk.resv = 0;
-	fadt->x_pm2_cnt_blk.addrl = pmbase + 0x50;
-	fadt->x_pm2_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm_tmr_blk.space_id = 1;
-	fadt->x_pm_tmr_blk.bit_width = 32;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.resv = 0;
-	fadt->x_pm_tmr_blk.addrl = pmbase + 0x8;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
-
-	fadt->x_gpe0_blk.space_id = 0;
-	fadt->x_gpe0_blk.bit_width = 0;
-	fadt->x_gpe0_blk.bit_offset = 0;
-	fadt->x_gpe0_blk.resv = 0;
-	fadt->x_gpe0_blk.addrl = 0;
-	fadt->x_gpe0_blk.addrh = 0x0;
-
-	fadt->x_gpe1_blk.space_id = 1;
-	fadt->x_gpe1_blk.bit_width = 0;
-	fadt->x_gpe1_blk.bit_offset = 0;
-	fadt->x_gpe1_blk.resv = 0;
-	fadt->x_gpe1_blk.addrl = 0x0;
-	fadt->x_gpe1_blk.addrh = 0x0;
+	acpi_fill_in_fadt(fadt);
 
 	header->checksum =
 	    acpi_checksum((void *) fadt, header->length);
diff --git a/src/soc/intel/baytrail/acpi.c b/src/soc/intel/baytrail/acpi.c
index b50b12e07d..e2e4937b21 100644
--- a/src/soc/intel/baytrail/acpi.c
+++ b/src/soc/intel/baytrail/acpi.c
@@ -20,11 +20,13 @@
 
 #include <arch/acpi.h>
 #include <arch/acpigen.h>
+#include <cpu/x86/smm.h>
 #include <types.h>
 #include <string.h>
 
 #include <baytrail/acpi.h>
 #include <baytrail/iomap.h>
+#include <baytrail/pmc.h>
 
 void acpi_create_intel_hpet(acpi_hpet_t * hpet)
 {
@@ -63,3 +65,113 @@ unsigned long acpi_fill_mcfg(unsigned long current)
 					     MCFG_BASE_ADDRESS, 0, 0, 255);
 	return current;
 }
+
+void acpi_fill_in_fadt(acpi_fadt_t *fadt)
+{
+	const uint16_t pmbase = ACPI_BASE_ADDRESS;
+
+	fadt->sci_int = 0x9;
+	fadt->smi_cmd = APM_CNT;
+	fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
+	fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
+	fadt->s4bios_req = 0x0;
+	fadt->pstate_cnt = 0;
+
+	fadt->pm1a_evt_blk = pmbase + PM1_STS;
+	fadt->pm1b_evt_blk = 0x0;
+	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
+	fadt->pm1b_cnt_blk = 0x0;
+	fadt->pm2_cnt_blk = pmbase + PM2A_CNT_BLK;
+	fadt->pm_tmr_blk = pmbase + PM1_TMR;
+	fadt->gpe0_blk = pmbase + GPE0_STS;
+	fadt->gpe1_blk = 0;
+
+	fadt->pm1_evt_len = 4;
+	fadt->pm1_cnt_len = 2;
+	fadt->pm2_cnt_len = 1;
+	fadt->pm_tmr_len = 4;
+	fadt->gpe0_blk_len = 8;
+	fadt->gpe1_blk_len = 0;
+	fadt->gpe1_base = 0;
+	fadt->cst_cnt = 0;
+	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_DEVICES | 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.resv = 0;
+	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 = 32;
+	fadt->x_pm1a_evt_blk.bit_offset = 0;
+	fadt->x_pm1a_evt_blk.resv = 0;
+	fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
+	fadt->x_pm1a_evt_blk.addrh = 0x0;
+
+	fadt->x_pm1b_evt_blk.space_id = 1;
+	fadt->x_pm1b_evt_blk.bit_width = 0;
+	fadt->x_pm1b_evt_blk.bit_offset = 0;
+	fadt->x_pm1b_evt_blk.resv = 0;
+	fadt->x_pm1b_evt_blk.addrl = 0x0;
+	fadt->x_pm1b_evt_blk.addrh = 0x0;
+
+	fadt->x_pm1a_cnt_blk.space_id = 1;
+	fadt->x_pm1a_cnt_blk.bit_width = 16;
+	fadt->x_pm1a_cnt_blk.bit_offset = 0;
+	fadt->x_pm1a_cnt_blk.resv = 0;
+	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
+	fadt->x_pm1a_cnt_blk.addrh = 0x0;
+
+	fadt->x_pm1b_cnt_blk.space_id = 1;
+	fadt->x_pm1b_cnt_blk.bit_width = 0;
+	fadt->x_pm1b_cnt_blk.bit_offset = 0;
+	fadt->x_pm1b_cnt_blk.resv = 0;
+	fadt->x_pm1b_cnt_blk.addrl = 0x0;
+	fadt->x_pm1b_cnt_blk.addrh = 0x0;
+
+	fadt->x_pm2_cnt_blk.space_id = 1;
+	fadt->x_pm2_cnt_blk.bit_width = 8;
+	fadt->x_pm2_cnt_blk.bit_offset = 0;
+	fadt->x_pm2_cnt_blk.resv = 0;
+	fadt->x_pm2_cnt_blk.addrl = pmbase + PM2A_CNT_BLK;
+	fadt->x_pm2_cnt_blk.addrh = 0x0;
+
+	fadt->x_pm_tmr_blk.space_id = 1;
+	fadt->x_pm_tmr_blk.bit_width = 32;
+	fadt->x_pm_tmr_blk.bit_offset = 0;
+	fadt->x_pm_tmr_blk.resv = 0;
+	fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
+	fadt->x_pm_tmr_blk.addrh = 0x0;
+
+	fadt->x_gpe0_blk.space_id = 1;
+	fadt->x_gpe0_blk.bit_width = 64;
+	fadt->x_gpe0_blk.bit_offset = 0;
+	fadt->x_gpe0_blk.resv = 0;
+	fadt->x_gpe0_blk.addrl = pmbase + GPE0_STS;
+	fadt->x_gpe0_blk.addrh = 0x0;
+
+	fadt->x_gpe1_blk.space_id = 1;
+	fadt->x_gpe1_blk.bit_width = 0;
+	fadt->x_gpe1_blk.bit_offset = 0;
+	fadt->x_gpe1_blk.resv = 0;
+	fadt->x_gpe1_blk.addrl = 0x0;
+	fadt->x_gpe1_blk.addrh = 0x0;
+
+}
diff --git a/src/soc/intel/baytrail/baytrail/acpi.h b/src/soc/intel/baytrail/baytrail/acpi.h
index b269e44a1d..bfb7d40d23 100644
--- a/src/soc/intel/baytrail/baytrail/acpi.h
+++ b/src/soc/intel/baytrail/baytrail/acpi.h
@@ -23,6 +23,7 @@
 #include <arch/acpi.h>
 
 void acpi_create_intel_hpet(acpi_hpet_t * hpet);
+void acpi_fill_in_fadt(acpi_fadt_t *fadt);
 
 #endif /* _BAYTRAIL_ACPI_H_ */