mirror of
https://github.com/AsahiLinux/u-boot
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caa4daa2ae
We use 'priv' for private data but often use 'platdata' for platform data. We can't really use 'pdata' since that is ambiguous (it could mean private or platform data). Rename some of the latter variables to end with 'plat' for consistency. Signed-off-by: Simon Glass <sjg@chromium.org>
90 lines
2 KiB
C
90 lines
2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2016 Socionext Inc.
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* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
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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 <malloc.h>
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#include <mmc.h>
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#include <dm.h>
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#include <dm/device_compat.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 "tmio-common.h"
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static const struct dm_mmc_ops uniphier_sd_ops = {
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.send_cmd = tmio_sd_send_cmd,
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.set_ios = tmio_sd_set_ios,
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.get_cd = tmio_sd_get_cd,
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};
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static const struct udevice_id uniphier_sd_match[] = {
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{ .compatible = "socionext,uniphier-sd-v2.91" },
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{ .compatible = "socionext,uniphier-sd-v3.1" },
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{ .compatible = "socionext,uniphier-sd-v3.1.1" },
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{ /* sentinel */ }
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};
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static ulong uniphier_sd_clk_get_rate(struct tmio_sd_priv *priv)
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{
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#if CONFIG_IS_ENABLED(CLK)
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return clk_get_rate(&priv->clk);
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#elif CONFIG_SPL_BUILD
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return 100000000;
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#else
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return 0;
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#endif
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}
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static int uniphier_sd_probe(struct udevice *dev)
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{
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struct tmio_sd_priv *priv = dev_get_priv(dev);
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priv->clk_get_rate = uniphier_sd_clk_get_rate;
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priv->read_poll_flag = TMIO_SD_DMA_INFO1_END_RD2;
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#ifndef CONFIG_SPL_BUILD
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int ret;
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ret = clk_get_by_index(dev, 0, &priv->clk);
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if (ret < 0) {
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dev_err(dev, "failed to get host clock\n");
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return ret;
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}
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/* set to max rate */
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ret = clk_set_rate(&priv->clk, ULONG_MAX);
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if (ret < 0) {
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dev_err(dev, "failed to set rate for host clock\n");
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clk_free(&priv->clk);
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return ret;
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}
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ret = clk_enable(&priv->clk);
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if (ret) {
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dev_err(dev, "failed to enable host clock\n");
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return ret;
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}
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#endif
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return tmio_sd_probe(dev, 0);
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}
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U_BOOT_DRIVER(uniphier_mmc) = {
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.name = "uniphier-mmc",
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.id = UCLASS_MMC,
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.of_match = uniphier_sd_match,
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.bind = tmio_sd_bind,
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.probe = uniphier_sd_probe,
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.priv_auto = sizeof(struct tmio_sd_priv),
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.plat_auto = sizeof(struct tmio_sd_plat),
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.ops = &uniphier_sd_ops,
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};
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