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authorKapil Porwal <kapilporwal@google.com>2022-11-28 18:53:40 +0530
committerFelix Held <felix-coreboot@felixheld.de>2022-12-05 14:32:04 +0000
commit65bcb57eea2c1c0a482f2678185920e24513b303 (patch)
tree3a31c9ab5cca65a786b51ad35dd7b9326aa300e3 /src/drivers/pcie
parent9b592f70d68575a4bb982bf3885ec034fa58e518 (diff)
soc/intel/cmn/block/{pcie/rtd3,usb4}: Use helper functions for _DSD
BUG=b:259716145 TEST=Verified SSDT on google/rex. Signed-off-by: Kapil Porwal <kapilporwal@google.com> Change-Id: Ib57dea9b16e4590ca2d75ac1512fdaf773ec50f6 Reviewed-on: https://review.coreboot.org/c/coreboot/+/70065 Reviewed-by: Tarun Tuli <taruntuli@google.com> Reviewed-by: Subrata Banik <subratabanik@google.com> Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/drivers/pcie')
-rw-r--r--src/drivers/pcie/rtd3/device/chip.c16
1 files changed, 1 insertions, 15 deletions
diff --git a/src/drivers/pcie/rtd3/device/chip.c b/src/drivers/pcie/rtd3/device/chip.c
index 349dffd037..88b85f15a0 100644
--- a/src/drivers/pcie/rtd3/device/chip.c
+++ b/src/drivers/pcie/rtd3/device/chip.c
@@ -12,15 +12,6 @@
#include "chip.h"
/*
- * This UUID and the resulting ACPI Device Property is defined by the
- * Power Management for Storage Hardware Devices:
- *
- * https://docs.microsoft.com/en-us/windows-hardware/design/component-guidelines/power-management-for-storage-hardware-devices-intro
- */
-#define PCIE_RTD3_STORAGE_UUID "5025030F-842F-4AB4-A561-99A5189762D0"
-#define PCIE_RTD3_STORAGE_PROPERTY "StorageD3Enable"
-
-/*
* Writes the ACPI power resources for a PCI device so it can enter D3Cold.
*
* If the device is a storage class, then the StorageD3Enable _DSD will
@@ -81,7 +72,6 @@
*/
static void pcie_rtd3_device_acpi_fill_ssdt(const struct device *dev)
{
- struct acpi_dp *dsd, *pkg;
const struct drivers_pcie_rtd3_device_config *config = config_of(dev);
/* Copy the GPIOs to avoid discards 'const' qualifier error */
struct acpi_gpio reset_gpio = config->reset_gpio;
@@ -114,11 +104,7 @@ static void pcie_rtd3_device_acpi_fill_ssdt(const struct device *dev)
/* Storage devices won't enter D3 without this property */
if ((dev->class >> 16) == PCI_BASE_CLASS_STORAGE) {
- dsd = acpi_dp_new_table("_DSD");
- pkg = acpi_dp_new_table(PCIE_RTD3_STORAGE_UUID);
- acpi_dp_add_integer(pkg, PCIE_RTD3_STORAGE_PROPERTY, 1);
- acpi_dp_add_package(dsd, pkg);
- acpi_dp_write(dsd);
+ acpi_device_add_storage_d3_enable(NULL);
printk(BIOS_INFO, "%s.%s: Added StorageD3Enable property\n", scope, name);
}