e5d3b4e36e
Use existing functionality instead of reinventing it. TEST=none Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: Iaeab5cce05ccd860bc8de3775b7d1420653497a3 Reviewed-on: https://review.coreboot.org/c/coreboot/+/52525 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <acpi/acpi_device.h>
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#include <acpi/acpigen.h>
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#include <console/console.h>
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#include <device/device.h>
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#include <device/mmio.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include <device/pci_ops.h>
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#include "chip.h"
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#include <soc/acp.h>
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#include <soc/acpi.h>
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#include <soc/pci_devs.h>
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#include <soc/southbridge.h>
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#include <amdblocks/acpimmio.h>
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#include <commonlib/helpers.h>
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static void acp_update32(uintptr_t bar, uint32_t reg, uint32_t clear, uint32_t set)
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{
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clrsetbits32((void *)(bar + reg), clear, set);
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}
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static void init(struct device *dev)
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{
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const struct soc_amd_picasso_config *cfg;
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struct resource *res;
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uintptr_t bar;
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/* Set the proper I2S_PIN_CONFIG state */
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cfg = config_of_soc();
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res = dev->resource_list;
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if (!res || !res->base) {
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printk(BIOS_ERR, "Error, unable to configure pin in %s\n", __func__);
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return;
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}
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bar = (uintptr_t)res->base;
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acp_update32(bar, ACP_I2S_PIN_CONFIG, PIN_CONFIG_MASK, cfg->acp_pin_cfg);
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/* Enable ACP_PME_EN and ACP_I2S_WAKE_EN for I2S_WAKE event */
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acp_update32(bar, ACP_I2S_WAKE_EN, WAKE_EN_MASK, !!cfg->acp_i2s_wake_enable);
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acp_update32(bar, ACP_PME_EN, PME_EN_MASK, !!cfg->acp_pme_enable);
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}
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static const char *acp_acpi_name(const struct device *dev)
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{
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return "ACPD";
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}
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static struct device_operations acp_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = init,
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.ops_pci = &pci_dev_ops_pci,
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.scan_bus = scan_static_bus,
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.acpi_name = acp_acpi_name,
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.acpi_fill_ssdt = acpi_device_write_pci_dev,
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};
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static const struct pci_driver acp_driver __pci_driver = {
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.ops = &acp_ops,
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.vendor = PCI_VENDOR_ID_AMD,
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.device = PCI_DEVICE_ID_AMD_FAM17H_ACP,
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};
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