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https://github.com/brain-hackers/u-boot-brain
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f98833dbe6
Add a quirk to identify that the controller is Renesas RCar variant of the Matsushita SD IP and another quirk indicating it can support Renesas RCar HS200/HS400/SDR104 modes. Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Jaehoon Chung <jh80.chung@samsung.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/*
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* Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
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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 <fdtdec.h>
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#include <mmc.h>
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#include <dm.h>
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#include <linux/compat.h>
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#include <linux/dma-direction.h>
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#include <linux/io.h>
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#include <linux/sizes.h>
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#include <power/regulator.h>
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#include <asm/unaligned.h>
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#include "matsushita-common.h"
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static const struct dm_mmc_ops renesas_sdhi_ops = {
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.send_cmd = matsu_sd_send_cmd,
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.set_ios = matsu_sd_set_ios,
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.get_cd = matsu_sd_get_cd,
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};
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#define RENESAS_GEN2_QUIRKS MATSU_SD_CAP_RCAR_GEN2
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#define RENESAS_GEN3_QUIRKS \
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MATSU_SD_CAP_64BIT | MATSU_SD_CAP_RCAR_GEN3 | MATSU_SD_CAP_RCAR_UHS
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static const struct udevice_id renesas_sdhi_match[] = {
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{ .compatible = "renesas,sdhi-r8a7790", .data = RENESAS_GEN2_QUIRKS },
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{ .compatible = "renesas,sdhi-r8a7791", .data = RENESAS_GEN2_QUIRKS },
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{ .compatible = "renesas,sdhi-r8a7792", .data = RENESAS_GEN2_QUIRKS },
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{ .compatible = "renesas,sdhi-r8a7793", .data = RENESAS_GEN2_QUIRKS },
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{ .compatible = "renesas,sdhi-r8a7794", .data = RENESAS_GEN2_QUIRKS },
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{ .compatible = "renesas,sdhi-r8a7795", .data = RENESAS_GEN3_QUIRKS },
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{ .compatible = "renesas,sdhi-r8a7796", .data = RENESAS_GEN3_QUIRKS },
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{ .compatible = "renesas,sdhi-r8a77965", .data = RENESAS_GEN3_QUIRKS },
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{ .compatible = "renesas,sdhi-r8a77970", .data = RENESAS_GEN3_QUIRKS },
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{ .compatible = "renesas,sdhi-r8a77995", .data = RENESAS_GEN3_QUIRKS },
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{ /* sentinel */ }
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};
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static int renesas_sdhi_probe(struct udevice *dev)
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{
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u32 quirks = dev_get_driver_data(dev);
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struct fdt_resource reg_res;
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DECLARE_GLOBAL_DATA_PTR;
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int ret;
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if (quirks == RENESAS_GEN2_QUIRKS) {
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ret = fdt_get_resource(gd->fdt_blob, dev_of_offset(dev),
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"reg", 0, ®_res);
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if (ret < 0) {
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dev_err(dev, "\"reg\" resource not found, ret=%i\n",
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ret);
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return ret;
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}
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if (fdt_resource_size(®_res) == 0x100)
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quirks |= MATSU_SD_CAP_16BIT;
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}
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return matsu_sd_probe(dev, quirks);
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}
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U_BOOT_DRIVER(renesas_sdhi) = {
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.name = "renesas-sdhi",
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.id = UCLASS_MMC,
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.of_match = renesas_sdhi_match,
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.bind = matsu_sd_bind,
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.probe = renesas_sdhi_probe,
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.priv_auto_alloc_size = sizeof(struct matsu_sd_priv),
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.platdata_auto_alloc_size = sizeof(struct matsu_sd_plat),
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.ops = &renesas_sdhi_ops,
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};
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