sb/intel/lynxpoint: Move `acpi_fill_fadt` to fadt.c

Other Intel southbridges do this.

Change-Id: I9b0c8be34e01b617352da4ff8ff37f4b44a4b334
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43374
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Maxim Polyakov <max.senia.poliak@gmail.com>

3 files changed, 146 insertions, 138 deletions

diff --git a/src/southbridge/intel/lynxpoint/Makefile.inc b/src/southbridge/intel/lynxpoint/Makefile.inc
index e3d056d4e6..48be615509 100644
--- a/src/southbridge/intel/lynxpoint/Makefile.inc
+++ b/src/southbridge/intel/lynxpoint/Makefile.inc
@@ -6,6 +6,7 @@ bootblock-y += bootblock.c
 
 ramstage-y += pch.c
 ramstage-y += azalia.c
+ramstage-y += fadt.c
 ramstage-y += lpc.c
 ramstage-y += pcie.c
 ramstage-y += sata.c
diff --git a/src/southbridge/intel/lynxpoint/fadt.c b/src/southbridge/intel/lynxpoint/fadt.c
new file mode 100644
index 0000000000..74b07adf30
--- /dev/null
+++ b/src/southbridge/intel/lynxpoint/fadt.c
@@ -0,0 +1,145 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/pci_ops.h>
+#include <acpi/acpi.h>
+#include <cpu/x86/smm.h>
+#include <southbridge/intel/lynxpoint/pch.h>
+#include "chip.h"
+
+void acpi_fill_fadt(acpi_fadt_t *fadt)
+{
+	struct device *dev = pcidev_on_root(0x1f, 0);
+	struct southbridge_intel_lynxpoint_config *cfg = dev->chip_info;
+	u16 pmbase = get_pmbase();
+
+	fadt->sci_int = 0x9;
+
+	if (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->pm1b_evt_blk = 0x0;
+	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
+	fadt->pm1b_cnt_blk = 0x0;
+	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
+	fadt->pm_tmr_blk = pmbase + PM1_TMR;
+	if (pch_is_lp())
+		fadt->gpe0_blk = pmbase + LP_GPE0_STS_1;
+	else
+		fadt->gpe0_blk = pmbase + GPE0_STS;
+	fadt->gpe1_blk = 0;
+
+	/*
+	 * Some of the lengths here are doubled. This is because they describe
+	 * blocks containing two registers, where the size of each register
+	 * is found by halving the block length. See Table 5-34 and section
+	 * 4.8.3 of the ACPI specification for details.
+	 */
+	fadt->pm1_evt_len = 2 * 2;
+	fadt->pm1_cnt_len = 2;
+	fadt->pm2_cnt_len = 1;
+	fadt->pm_tmr_len = 4;
+	if (pch_is_lp())
+		fadt->gpe0_blk_len = 2 * 16;
+	else
+		fadt->gpe0_blk_len = 2 * 8;
+	fadt->gpe1_blk_len = 0;
+	fadt->gpe1_base = 0;
+
+	fadt->p_lvl2_lat = 1;
+	fadt->p_lvl3_lat = 87;
+	fadt->flush_size = 0;
+	fadt->flush_stride = 0;
+	fadt->duty_offset = 0;
+	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;
+
+	if (cfg->docking_supported)
+		fadt->flags |= ACPI_FADT_DOCKING_SUPPORTED;
+
+	fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO;
+	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 = ACPI_ADDRESS_SPACE_IO;
+	fadt->x_pm1a_evt_blk.bit_width = 2 * 16;
+	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 = pmbase + PM1_STS;
+	fadt->x_pm1a_evt_blk.addrh = 0x0;
+
+	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
+	fadt->x_pm1b_evt_blk.bit_width = 0;
+	fadt->x_pm1b_evt_blk.bit_offset = 0;
+	fadt->x_pm1b_evt_blk.access_size = 0;
+	fadt->x_pm1b_evt_blk.addrl = 0x0;
+	fadt->x_pm1b_evt_blk.addrh = 0x0;
+
+	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
+	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 = pmbase + PM1_CNT;
+	fadt->x_pm1a_cnt_blk.addrh = 0x0;
+
+	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
+	fadt->x_pm1b_cnt_blk.bit_width = 0;
+	fadt->x_pm1b_cnt_blk.bit_offset = 0;
+	fadt->x_pm1b_cnt_blk.access_size = 0;
+	fadt->x_pm1b_cnt_blk.addrl = 0x0;
+	fadt->x_pm1b_cnt_blk.addrh = 0x0;
+
+	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
+	fadt->x_pm2_cnt_blk.bit_width = 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 = ACPI_ADDRESS_SPACE_IO;
+	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 = pmbase + PM1_TMR;
+	fadt->x_pm_tmr_blk.addrh = 0x0;
+
+	/*
+	 * Windows 10 requires x_gpe0_blk to be set starting with FADT revision 5.
+	 * The bit_width field intentionally overflows here.
+	 * The OSPM can instead use the values in `fadt->gpe0_blk{,_len}`, which
+	 * seems to work fine on Linux 5.0 and Windows 10.
+	 */
+	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 = 0x0;
+
+	fadt->x_gpe1_blk.space_id = ACPI_ADDRESS_SPACE_IO;
+	fadt->x_gpe1_blk.bit_width = 0;
+	fadt->x_gpe1_blk.bit_offset = 0;
+	fadt->x_gpe1_blk.access_size = 0;
+	fadt->x_gpe1_blk.addrl = 0x0;
+	fadt->x_gpe1_blk.addrh = 0x0;
+}
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c
index 26bd30ffe6..f3298b00c9 100644
--- a/src/southbridge/intel/lynxpoint/lpc.c
+++ b/src/southbridge/intel/lynxpoint/lpc.c
@@ -726,144 +726,6 @@ void southbridge_inject_dsdt(const struct device *dev)
 	}
 }
 
-void acpi_fill_fadt(acpi_fadt_t *fadt)
-{
-	struct device *dev = pcidev_on_root(0x1f, 0);
-	struct southbridge_intel_lynxpoint_config *cfg = dev->chip_info;
-	u16 pmbase = get_pmbase();
-
-	fadt->sci_int = 0x9;
-
-	if (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->pm1b_evt_blk = 0x0;
-	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm1b_cnt_blk = 0x0;
-	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
-	fadt->pm_tmr_blk = pmbase + PM1_TMR;
-	if (pch_is_lp())
-		fadt->gpe0_blk = pmbase + LP_GPE0_STS_1;
-	else
-		fadt->gpe0_blk = pmbase + GPE0_STS;
-	fadt->gpe1_blk = 0;
-
-	/*
-	 * Some of the lengths here are doubled. This is because they describe
-	 * blocks containing two registers, where the size of each register
-	 * is found by halving the block length. See Table 5-34 and section
-	 * 4.8.3 of the ACPI specification for details.
-	 */
-	fadt->pm1_evt_len = 2 * 2;
-	fadt->pm1_cnt_len = 2;
-	fadt->pm2_cnt_len = 1;
-	fadt->pm_tmr_len = 4;
-	if (pch_is_lp())
-		fadt->gpe0_blk_len = 2 * 16;
-	else
-		fadt->gpe0_blk_len = 2 * 8;
-	fadt->gpe1_blk_len = 0;
-	fadt->gpe1_base = 0;
-
-	fadt->p_lvl2_lat = 1;
-	fadt->p_lvl3_lat = 87;
-	fadt->flush_size = 0;
-	fadt->flush_stride = 0;
-	fadt->duty_offset = 0;
-	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;
-
-	if (cfg->docking_supported)
-		fadt->flags |= ACPI_FADT_DOCKING_SUPPORTED;
-
-	fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO;
-	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 = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1a_evt_blk.bit_width = 2 * 16;
-	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 = pmbase + PM1_STS;
-	fadt->x_pm1a_evt_blk.addrh = 0x0;
-
-	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
-	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	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 = pmbase + PM1_CNT;
-	fadt->x_pm1a_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm2_cnt_blk.bit_width = 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 = ACPI_ADDRESS_SPACE_IO;
-	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 = pmbase + PM1_TMR;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
-
-	/*
-	 * Windows 10 requires x_gpe0_blk to be set starting with FADT revision 5.
-	 * The bit_width field intentionally overflows here.
-	 * The OSPM can instead use the values in `fadt->gpe0_blk{,_len}`, which
-	 * seems to work fine on Linux 5.0 and Windows 10.
-	 */
-	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 = 0x0;
-
-	fadt->x_gpe1_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_gpe1_blk.bit_width = 0;
-	fadt->x_gpe1_blk.bit_offset = 0;
-	fadt->x_gpe1_blk.access_size = 0;
-	fadt->x_gpe1_blk.addrl = 0x0;
-	fadt->x_gpe1_blk.addrh = 0x0;
-}
-
 static const char *lpc_acpi_name(const struct device *dev)
 {
 	return "LPCB";