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https://github.com/AsahiLinux/u-boot
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71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
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*
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* Authors:
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* Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
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*/
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#include <common.h>
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#include <dm.h>
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#include <fdt_support.h>
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#include <linux/errno.h>
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#include "nvmxip.h"
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#include <asm/global_data.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define NVMXIP_QSPI_DRV_NAME "nvmxip_qspi"
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/**
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* nvmxip_qspi_of_to_plat() -read from DT
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* @dev: the NVMXIP device
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*
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* Read from the DT the NVMXIP information.
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*
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* Return:
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*
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* 0 on success. Otherwise, failure
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*/
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static int nvmxip_qspi_of_to_plat(struct udevice *dev)
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{
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struct nvmxip_plat *plat = dev_get_plat(dev);
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int ret;
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plat->phys_base = (phys_addr_t)dev_read_addr(dev);
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if (plat->phys_base == FDT_ADDR_T_NONE) {
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log_err("[%s]: can not get base address from device tree\n", dev->name);
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return -EINVAL;
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}
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ret = dev_read_u32(dev, "lba_shift", &plat->lba_shift);
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if (ret) {
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log_err("[%s]: can not get lba_shift from device tree\n", dev->name);
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return -EINVAL;
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}
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ret = dev_read_u32(dev, "lba", (u32 *)&plat->lba);
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if (ret) {
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log_err("[%s]: can not get lba from device tree\n", dev->name);
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return -EINVAL;
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}
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log_debug("[%s]: XIP device base addr: 0x%llx , lba_shift: %d , lbas: %lu\n",
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dev->name, plat->phys_base, plat->lba_shift, plat->lba);
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return 0;
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}
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static const struct udevice_id nvmxip_qspi_ids[] = {
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{ .compatible = "nvmxip,qspi" },
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{ /* sentinel */ }
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};
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U_BOOT_DRIVER(nvmxip_qspi) = {
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.name = NVMXIP_QSPI_DRV_NAME,
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.id = UCLASS_NVMXIP,
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.of_match = nvmxip_qspi_ids,
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.of_to_plat = nvmxip_qspi_of_to_plat,
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.plat_auto = sizeof(struct nvmxip_plat),
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};
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