upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
1.6 KiB
75 lines
1.6 KiB
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2016 Socionext Inc.
|
|
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <clk.h>
|
|
#include <fdtdec.h>
|
|
#include <mmc.h>
|
|
#include <dm.h>
|
|
#include <linux/compat.h>
|
|
#include <linux/dma-direction.h>
|
|
#include <linux/io.h>
|
|
#include <linux/sizes.h>
|
|
#include <power/regulator.h>
|
|
#include <asm/unaligned.h>
|
|
|
|
#include "tmio-common.h"
|
|
|
|
static const struct dm_mmc_ops uniphier_sd_ops = {
|
|
.send_cmd = tmio_sd_send_cmd,
|
|
.set_ios = tmio_sd_set_ios,
|
|
.get_cd = tmio_sd_get_cd,
|
|
};
|
|
|
|
static const struct udevice_id uniphier_sd_match[] = {
|
|
{ .compatible = "socionext,uniphier-sdhc", .data = 0 },
|
|
{ /* sentinel */ }
|
|
};
|
|
|
|
static int uniphier_sd_probe(struct udevice *dev)
|
|
{
|
|
struct tmio_sd_priv *priv = dev_get_priv(dev);
|
|
#ifndef CONFIG_SPL_BUILD
|
|
struct clk clk;
|
|
int ret;
|
|
|
|
ret = clk_get_by_index(dev, 0, &clk);
|
|
if (ret < 0) {
|
|
dev_err(dev, "failed to get host clock\n");
|
|
return ret;
|
|
}
|
|
|
|
/* set to max rate */
|
|
priv->mclk = clk_set_rate(&clk, ULONG_MAX);
|
|
if (IS_ERR_VALUE(priv->mclk)) {
|
|
dev_err(dev, "failed to set rate for host clock\n");
|
|
clk_free(&clk);
|
|
return priv->mclk;
|
|
}
|
|
|
|
ret = clk_enable(&clk);
|
|
clk_free(&clk);
|
|
if (ret) {
|
|
dev_err(dev, "failed to enable host clock\n");
|
|
return ret;
|
|
}
|
|
#else
|
|
priv->mclk = 100000000;
|
|
#endif
|
|
|
|
return tmio_sd_probe(dev, 0);
|
|
}
|
|
|
|
U_BOOT_DRIVER(uniphier_mmc) = {
|
|
.name = "uniphier-mmc",
|
|
.id = UCLASS_MMC,
|
|
.of_match = uniphier_sd_match,
|
|
.bind = tmio_sd_bind,
|
|
.probe = uniphier_sd_probe,
|
|
.priv_auto_alloc_size = sizeof(struct tmio_sd_priv),
|
|
.platdata_auto_alloc_size = sizeof(struct tmio_sd_plat),
|
|
.ops = &uniphier_sd_ops,
|
|
};
|
|
|