/*
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* Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#include <common.h>
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#include <clk.h>
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#include <dm.h>
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#include <dm/device-internal.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/vendor.h>
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#include "rkflash_blk.h"
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#include "rkflash_api.h"
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static struct flash_operation nandc_flash_op = {
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#ifdef CONFIG_RKNANDC_NAND
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IF_TYPE_RKNAND,
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rknand_flash_init,
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rknand_flash_get_density,
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rknand_flash_read,
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rknand_flash_write,
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NULL,
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rknand_flash_vendor_read,
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rknand_flash_vendor_write,
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#else
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-1, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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#endif
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};
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int rknand_scan_namespace(void)
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{
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struct uclass *uc;
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struct udevice *dev;
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int ret;
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ret = uclass_get(UCLASS_RKNAND, &uc);
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if (ret)
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return ret;
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uclass_foreach_dev(dev, uc) {
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debug("%s %d %p\n", __func__, __LINE__, dev);
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ret = device_probe(dev);
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if (ret)
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return ret;
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}
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return 0;
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}
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static int rknand_blk_bind(struct udevice *udev)
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{
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struct udevice *bdev;
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int ret;
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ret = blk_create_devicef(udev, "rkflash_blk", "blk",
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IF_TYPE_RKNAND,
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0, 512, 0, &bdev);
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if (ret) {
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debug("Cannot create block device\n");
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return ret;
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}
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return 0;
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}
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static int rockchip_nand_ofdata_to_platdata(struct udevice *dev)
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{
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struct rkflash_info *priv = dev_get_priv(dev);
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priv->ioaddr = dev_read_addr_ptr(dev);
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return 0;
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}
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static int rockchip_nand_probe(struct udevice *udev)
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{
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int ret;
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struct rkflash_info *priv = dev_get_priv(udev);
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debug("%s %d %p ndev = %p\n", __func__, __LINE__, udev, priv);
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ret = nandc_flash_init(priv->ioaddr);
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if (ret) {
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debug("nandc_flash_init failed, ret %d", ret);
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return ret;
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}
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ret = nandc_flash_op.flash_init(udev);
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if (!ret) {
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priv->flash_con_type = nandc_flash_op.id;
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priv->density = nandc_flash_op.flash_get_capacity(udev);
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priv->read = nandc_flash_op.flash_read;
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priv->write = nandc_flash_op.flash_write;
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priv->erase = nandc_flash_op.flash_erase;
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#ifdef CONFIG_ROCKCHIP_VENDOR_PARTITION
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flash_vendor_dev_ops_register(nandc_flash_op.vendor_read,
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nandc_flash_op.vendor_write);
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#endif
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debug("%s probe success\n", __func__);
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} else {
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pr_err("ret %d\n", ret);
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}
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return ret;
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}
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UCLASS_DRIVER(rknand) = {
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.id = UCLASS_RKNAND,
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.name = "rknand",
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.flags = DM_UC_FLAG_SEQ_ALIAS,
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};
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static const struct udevice_id rockchip_nand_ids[] = {
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{ .compatible = "rockchip,rk-nandc" },
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{ }
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};
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U_BOOT_DRIVER(rknand) = {
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.name = "rknand",
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.id = UCLASS_RKNAND,
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.of_match = rockchip_nand_ids,
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.bind = rknand_blk_bind,
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.probe = rockchip_nand_probe,
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.priv_auto_alloc_size = sizeof(struct rkflash_info),
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.ofdata_to_platdata = rockchip_nand_ofdata_to_platdata,
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};
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