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Diffstat (limited to 'src/soc/intel/apollolake/pmc.c')
-rw-r--r--src/soc/intel/apollolake/pmc.c98
1 files changed, 16 insertions, 82 deletions
diff --git a/src/soc/intel/apollolake/pmc.c b/src/soc/intel/apollolake/pmc.c
index a4b91e1b64..58cb71a43f 100644
--- a/src/soc/intel/apollolake/pmc.c
+++ b/src/soc/intel/apollolake/pmc.c
@@ -1,7 +1,7 @@
/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2016 Intel Corp.
+ * Copyright (C) 2016-2017 Intel Corp.
* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
*
* This program is free software; you can redistribute it and/or modify
@@ -15,74 +15,27 @@
* GNU General Public License for more details.
*/
+#include "chip.h"
+#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <console/console.h>
-#include <cpu/x86/smm.h>
+#include <intelblocks/pmc.h>
#include <intelblocks/pmclib.h>
#include <soc/iomap.h>
-#include <soc/gpio.h>
-#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <timer.h>
-#include "chip.h"
-/*
- * The ACPI IO BAR (offset 0x20) is not PCI compliant. We've observed cases
- * where the BAR reads back as 0, but the IO window is open. This also means
- * that it will not respond to PCI probing. In the event that probing the BAR
- * fails, we still need to create a resource for it.
- */
-static void read_resources(device_t dev)
+/* Fill up PMC resource structure */
+int pmc_soc_get_resources(struct pmc_resource_config *cfg)
{
- struct resource *res;
- pci_dev_read_resources(dev);
-
- res = new_resource(dev, PCI_BASE_ADDRESS_0);
- res->base = PMC_BAR0;
- res->size = PMC_BAR0_SIZE;
- res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
-
- res = new_resource(dev, PCI_BASE_ADDRESS_4);
- res->base = ACPI_BASE_ADDRESS;
- res->size = ACPI_BASE_SIZE;
- res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
-}
-
-/*
- * Part 2:
- * Resources are assigned, and no other device was given an IO resource to
- * overlap with our ACPI BAR. But because the resource is FIXED,
- * pci_dev_set_resources() will not store it for us. We need to do that
- * explicitly.
- */
-static void set_resources(device_t dev)
-{
- struct resource *res;
-
- pci_dev_set_resources(dev);
-
- res = find_resource(dev, PCI_BASE_ADDRESS_0);
- pci_write_config32(dev, res->index, res->base);
- dev->command |= PCI_COMMAND_MEMORY;
- res->flags |= IORESOURCE_STORED;
- report_resource_stored(dev, res, " PMC BAR");
-
- res = find_resource(dev, PCI_BASE_ADDRESS_4);
- pci_write_config32(dev, res->index, res->base);
- dev->command |= PCI_COMMAND_IO;
- res->flags |= IORESOURCE_STORED;
- report_resource_stored(dev, res, " ACPI BAR");
-}
-
-static void pch_set_acpi_mode(void)
-{
- if (IS_ENABLED(CONFIG_HAVE_SMI_HANDLER) && !acpi_is_wakeup_s3()) {
- printk(BIOS_DEBUG, "Disabling ACPI via APMC:");
- outb(APM_CNT_ACPI_DISABLE, APM_CNT);
- printk(BIOS_DEBUG, "Done.\n");
- }
+ cfg->pwrmbase_offset = PCI_BASE_ADDRESS_0;
+ cfg->pwrmbase_addr = PMC_BAR0;
+ cfg->pwrmbase_size = PMC_BAR0_SIZE;
+ cfg->abase_offset = PCI_BASE_ADDRESS_4;
+ cfg->abase_addr = ACPI_BASE_ADDRESS;
+ cfg->abase_size = ACPI_BASE_SIZE;
+
+ return 0;
}
static int choose_slp_s3_assertion_width(int width_usecs)
@@ -138,14 +91,14 @@ static void set_slp_s3_assertion_width(int width_usecs)
write32((void *)gen_pmcon3, reg);
}
-static void pmc_init(struct device *dev)
+void pmc_soc_init(struct device *dev)
{
const struct soc_intel_apollolake_config *cfg = dev->chip_info;
/* Set up GPE configuration */
pmc_gpe_init();
pmc_fixup_power_state();
- pch_set_acpi_mode();
+ pmc_set_acpi_mode();
if (cfg != NULL)
set_slp_s3_assertion_width(cfg->slp_s3_assertion_width_usecs);
@@ -156,22 +109,3 @@ static void pmc_init(struct device *dev)
/* Now that things have been logged clear out the PMC state. */
pmc_clear_prsts();
}
-
-static const struct device_operations device_ops = {
- .read_resources = read_resources,
- .set_resources = set_resources,
- .enable_resources = pci_dev_enable_resources,
- .init = &pmc_init,
-};
-
-static const unsigned short pci_device_ids[] = {
- PCI_DEVICE_ID_INTEL_APL_PMC,
- PCI_DEVICE_ID_INTEL_GLK_PMC,
- 0,
-};
-
-static const struct pci_driver pmc __pci_driver = {
- .ops = &device_ops,
- .vendor = PCI_VENDOR_ID_INTEL,
- .devices= pci_device_ids,
-};