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ACPI: Separate ChromeOS NVS in ASL 

For builds with MAINBOARD_HAS_CHROMEOS=y but CHROMEOS=n, there
is reduced dsdt.aml size and reduced GNVS allocation from cbmem.

More importantly, it's less error-prone when the OperationRegion
size is not hard-coded inside the .asl files.

Change-Id: I54b0d63a41561f9a5d9ebde77967e6d21ee014cd
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49477
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Kyösti Mälkki 2021-01-12 15:23:25 +02:00
parent fa5f9b5aff
commit ae7ac8a723
14 changed files with 41 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/acpi/acpigen_extern.asl
View File

@ -18,3 +18,9 @@ External (NVB1, IntObj)
External (NVS1, IntObj)
OperationRegion (DNVS, SystemMemory, NVB1, NVS1)
#endif
#if CONFIG(CHROMEOS)
External (NVB2, IntObj)
External (NVS2, IntObj)
OperationRegion (CNVS, SystemMemory, NVB2, NVS2)
#endif

4
src/acpi/dsdt_top.asl
View File

@ -1,3 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpigen_extern.asl>
#if CONFIG(CHROMEOS)
#include <vendorcode/google/chromeos/acpi/gnvs.asl>
#endif

11
src/acpi/gnvs.c
View File

@ -41,7 +41,7 @@ void acpi_create_gnvs(void)
gnvs_size = 0x100;
if (CONFIG(ACPI_HAS_DEVICE_NVS))
gnvs_size = 0x2000;
else if (CONFIG(MAINBOARD_HAS_CHROMEOS))
else if (CONFIG(CHROMEOS))
gnvs_size = 0x1000;
gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, gnvs_size);
@ -72,9 +72,16 @@ void acpi_fill_gnvs(void)
acpigen_write_scope("\\");
acpigen_write_name_dword("NVB0", (uintptr_t)gnvs);
acpigen_write_name_dword("NVS0", CONFIG(MAINBOARD_HAS_CHROMEOS) ? 0x1000 : 0x100);
acpigen_write_name_dword("NVS0", 0x100);
acpigen_pop_len();
if (CONFIG(CHROMEOS)) {
acpigen_write_scope("\\");
acpigen_write_name_dword("NVB2", (uintptr_t)gnvs + GNVS_CHROMEOS_ACPI_OFFSET);
acpigen_write_name_dword("NVS2", 0xf00);
acpigen_pop_len();
}
if (CONFIG(ACPI_HAS_DEVICE_NVS)) {
acpigen_write_scope("\\");
acpigen_write_name_dword("NVB1", (uintptr_t)gnvs + GNVS_DEVICE_NVS_OFFSET);

3
src/soc/amd/picasso/acpi/globalnvs.asl
View File

@ -21,7 +21,4 @@ Field (GNVS, ByteAcc, NoLock, Preserve)
TMPS, 8, // 0x17 - Temperature Sensor ID
TCRT, 8, // 0x18 - Critical Threshold
TPSV, 8, // 0x19 - Passive Threshold
/* ChromeOS stuff (0x100 -> 0xfff, size 0xeff) */
Offset (0x100),
#include <vendorcode/google/chromeos/acpi/gnvs.asl>
}

3
src/soc/amd/stoneyridge/acpi/globalnvs.asl
View File

@ -42,7 +42,4 @@ Field (GNVS, ByteAcc, NoLock, Preserve)
FW01, 32, // 0x28 - xHCI FW RAM addr, boot RAM
FW03, 32, // 0x2c - xHCI FW RAM addr, Instruction RAM
EH10, 32, // 0x30 - EHCI BAR
/* ChromeOS stuff (0x100 -> 0xfff, size 0xeff) */
Offset (0x100),
#include <vendorcode/google/chromeos/acpi/gnvs.asl>
}

4
src/soc/intel/apollolake/acpi/globalnvs.asl
View File

@ -28,8 +28,4 @@ Field (GNVS, ByteAcc, NoLock, Preserve)
ELNG, 64, // 0x35 - 0x3C EPC Length
A4GB, 64, // 0x3D - 0x44 Base of above 4GB MMIO Resource
A4GS, 64, // 0x45 - 0x4C Length of above 4GB MMIO Resource
/* ChromeOS stuff (0x100 -> 0xfff, size 0xeff) */
Offset (0x100),
#include <vendorcode/google/chromeos/acpi/gnvs.asl>
}

4
src/soc/intel/baytrail/acpi/globalnvs.asl
View File

@ -42,10 +42,6 @@ Field (GNVS, ByteAcc, NoLock, Preserve)
CMEM, 32, /* 0x30 - CBMEM TOC */
TOLM, 32, /* 0x34 - Top of Low Memory */
CBMC, 32, /* 0x38 - coreboot mem console pointer */
/* ChromeOS specific */
Offset (0x100),
#include <vendorcode/google/chromeos/acpi/gnvs.asl>
}
/* Set flag to enable USB charging in S3 */

4
src/soc/intel/braswell/acpi/globalnvs.asl
View File

@ -44,10 +44,6 @@ Field (GNVS, ByteAcc, NoLock, Preserve)
CMEM, 32, /* 0x30 - CBMEM TOC */
TOLM, 32, /* 0x34 - Top of Low Memory */
CBMC, 32, /* 0x38 - coreboot mem console pointer */
/* ChromeOS specific */
Offset (0x100),
#include <vendorcode/google/chromeos/acpi/gnvs.asl>
}
/* Set flag to enable USB charging in S3 */

4
src/soc/intel/broadwell/pch/acpi/globalnvs.asl
View File

@ -34,10 +34,6 @@ Field (GNVS, ByteAcc, NoLock, Preserve)
CBMC, 32, // 0x1c - 0x1f - coreboot Memory Console
PM1I, 64, // 0x20 - 0x27 - PM1 wake status bit
GPEI, 64, // 0x28 - 0x2f - GPE wake status bit
/* ChromeOS specific */
Offset (0x100),
#include <vendorcode/google/chromeos/acpi/gnvs.asl>
}
/* Set flag to enable USB charging in S3 */

4
src/soc/intel/common/block/acpi/acpi/globalnvs.asl
View File

@ -26,8 +26,4 @@ Field (GNVS, ByteAcc, NoLock, Preserve)
UIOR, 8, // 0x2f - UART debug controller init on S3 resume
A4GB, 64, // 0x30 - 0x37 Base of above 4GB MMIO Resource
A4GS, 64, // 0x38 - 0x3f Length of above 4GB MMIO Resource
/* ChromeOS specific */
Offset (0x100),
#include <vendorcode/google/chromeos/acpi/gnvs.asl>
}

4
src/soc/intel/skylake/acpi/globalnvs.asl
View File

@ -46,10 +46,6 @@ Field (GNVS, ByteAcc, NoLock, Preserve)
ELNG, 64, // 0x4C - 0x53 EPC Length
A4GB, 64, // 0x54 - 0x5B Base of above 4GB MMIO Resource
A4GS, 64, // 0x5C - 0x63 Length of above 4GB MMIO Resource
/* ChromeOS specific */
Offset (0x100),
#include <vendorcode/google/chromeos/acpi/gnvs.asl>
}
/* Set flag to enable USB charging in S3 */

4
src/southbridge/intel/bd82x6x/acpi/globalnvs.asl
View File

@ -103,10 +103,6 @@ Field (GNVS, ByteAcc, NoLock, Preserve)
Offset (0xf5),
TPIQ, 8, // 0xf5 - trackpad IRQ value
CBMC, 32,
/* ChromeOS specific */
Offset (0x100),
#include <vendorcode/google/chromeos/acpi/gnvs.asl>
}
/* Set flag to enable USB charging in S3 */

4
src/southbridge/intel/lynxpoint/acpi/globalnvs.asl
View File

@ -93,10 +93,6 @@ Field (GNVS, ByteAcc, NoLock, Preserve)
Offset (0xa0),
CBMC, 32, // 0xa0 - coreboot mem console pointer
/* ChromeOS specific */
Offset (0x100),
#include <vendorcode/google/chromeos/acpi/gnvs.asl>
}
/* Set flag to enable USB charging in S3 */

3
src/vendorcode/google/chromeos/acpi/gnvs.asl
View File

@ -4,6 +4,8 @@
* the mainboard's chromeos.asl
*/
Field (CNVS, ByteAcc, NoLock, Preserve)
{
VBT0, 32, // 0x000 - Boot Reason
VBT1, 32, // 0x004 - Active Main Firmware
VBT2, 32, // 0x008 - Active EC Firmware
@ -24,3 +26,4 @@ ROVL, 32, // 0xdca - size of RO_VPD
RWVP, 32, // 0xdce - pointer to RW_VPD
RWVL, 32, // 0xdd2 - size of RW_VPD
// 0xdd6
}