sram.c

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <intelblocks/sram.h>
#include <soc/iomap.h>
 
__weak void soc_sram_init(struct device *dev) { /* no-op */ }
 
static void sram_read_resources(struct device *dev)
{
        struct resource *res;
        pci_dev_read_resources(dev);
 
        res = new_resource(dev, PCI_BASE_ADDRESS_0);
        res->base = SRAM_BASE_0;
        res->size = SRAM_SIZE_0;
        res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
 
        res = new_resource(dev, PCI_BASE_ADDRESS_2);
        res->base = SRAM_BASE_2;
        res->size = SRAM_SIZE_2;
        res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
 
static const struct device_operations device_ops = {
        .read_resources         = sram_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_dev_enable_resources,
        .init                   = soc_sram_init,
        .ops_pci                = &pci_dev_ops_pci,
};
 
static const unsigned short pci_device_ids[] = {
        PCI_DID_INTEL_MTL_SOC_SRAM,
        PCI_DID_INTEL_MTL_IOE_M_SRAM,
        PCI_DID_INTEL_MTL_IOE_P_SRAM,
        PCI_DID_INTEL_MTL_CRASHLOG_SRAM,
        PCI_DID_INTEL_APL_SRAM,
        PCI_DID_INTEL_GLK_SRAM,
        PCI_DID_INTEL_ICL_SRAM,
        PCI_DID_INTEL_CMP_SRAM,
        PCI_DID_INTEL_CMP_H_SRAM,
        PCI_DID_INTEL_TGP_PMC_CRASHLOG_SRAM,
        PCI_DID_INTEL_TGL_H_SRAM,
        PCI_DID_INTEL_MCC_SRAM,
        PCI_DID_INTEL_JSP_SRAM,
        PCI_DID_INTEL_ADP_S_PMC_CRASHLOG_SRAM,
        PCI_DID_INTEL_ADP_P_PMC_CRASHLOG_SRAM,
        PCI_DID_INTEL_ADP_N_PMC_CRASHLOG_SRAM,
        0,
};
 
static const struct pci_driver sram __pci_driver = {
        .ops            = &device_ops,
        .vendor         = PCI_VID_INTEL,
        .devices        = pci_device_ids,
};