soc/intel/cannonlake: Implement SoC sleep state array

Adapted from Alderlake implementation, modified as needed.
Device names missing from soc_acpi_name() were added as well.

TEST=build/boot Win11, Linux on google/hatch (akemi).

Change-Id: Ib2c733c04e29f0f9e7e2e6dbf36c2a7618fdc23f
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78522
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>

2 files changed, 71 insertions, 0 deletions

diff --git a/src/soc/intel/cannonlake/acpi.c b/src/soc/intel/cannonlake/acpi.c
index 62462a88827d..ff93e2a666d5 100644
--- a/src/soc/intel/cannonlake/acpi.c
+++ b/src/soc/intel/cannonlake/acpi.c
@@ -160,6 +160,76 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 	if (config->s0ix_enable)
 		fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
 }
+
+static struct min_sleep_state min_pci_sleep_states[] = {
+	{ SA_DEVFN_ROOT,	ACPI_DEVICE_SLEEP_D3 },
+	{ SA_DEVFN_PEG0,	ACPI_DEVICE_SLEEP_D3 },
+	{ SA_DEVFN_PEG1,	ACPI_DEVICE_SLEEP_D3 },
+	{ SA_DEVFN_PEG2,	ACPI_DEVICE_SLEEP_D3 },
+	{ SA_DEVFN_IGD,		ACPI_DEVICE_SLEEP_D3 },
+	{ SA_DEVFN_TS,		ACPI_DEVICE_SLEEP_D3 },
+	{ SA_DEVFN_IPU,		ACPI_DEVICE_SLEEP_D3 },
+	{ SA_DEVFN_GNA,		ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_UFS,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_GSPI2,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_ISH,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_XHCI,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_USBOTG,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_CNViWIFI,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_SDCARD,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_I2C0,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_I2C1,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_I2C2,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_I2C3,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_CSE,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_SATA,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_I2C4,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_I2C5,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_UART2,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_EMMC,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_PCIE1,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE2,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE3,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE4,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE5,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE6,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE7,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE8,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE9,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE10,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE11,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE12,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE13,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE14,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE15,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE16,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE17,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE18,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE19,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE20,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE21,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE22,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE23,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_PCIE24,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_UART0,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_UART1,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_GSPI0,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_GSPI1,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_LPC,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_P2SB,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_HDA,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_SMBUS,	ACPI_DEVICE_SLEEP_D0 },
+	{ PCH_DEVFN_SPI,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_GBE,	ACPI_DEVICE_SLEEP_D3 },
+	{ PCH_DEVFN_TRACEHUB,	ACPI_DEVICE_SLEEP_D3 },
+};
+
+struct min_sleep_state *soc_get_min_sleep_state_array(size_t *size)
+{
+	*size = ARRAY_SIZE(min_pci_sleep_states);
+	return min_pci_sleep_states;
+}
+
 uint32_t soc_read_sci_irq_select(void)
 {
 	return read32p(soc_read_pmc_base() + IRQ_REG);
diff --git a/src/soc/intel/cannonlake/chip.c b/src/soc/intel/cannonlake/chip.c
index 0ece32c64628..7d406344f005 100644
--- a/src/soc/intel/cannonlake/chip.c
+++ b/src/soc/intel/cannonlake/chip.c
@@ -81,6 +81,7 @@ const char *soc_acpi_name(const struct device *dev)
 	case SA_DEVFN_ROOT:	return "MCHC";
 	case SA_DEVFN_IGD:	return "GFX0";
 	case PCH_DEVFN_ISH:	return "ISHB";
+	case SA_DEVFN_GNA:	return "GNA";
 	case PCH_DEVFN_XHCI:	return "XHCI";
 	case PCH_DEVFN_USBOTG:	return "XDCI";
 	case PCH_DEVFN_THERMAL:	return "THRM";