* (C) Copyright 2003
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <malloc.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>
-#include <asm/arch/dma.h>
+#include <asm/imx-common/dma.h>
#include <bouncebuf.h>
struct mxsmmc_priv {
int (*mmc_is_wp)(int);
int (*mmc_cd)(int);
struct mxs_dma_desc *desc;
+ struct mmc_config cfg; /* mmc configuration */
};
-#if defined(CONFIG_MX23)
-static const unsigned int mxsmmc_id_offset = 1;
-#elif defined(CONFIG_MX28)
-static const unsigned int mxsmmc_id_offset = 0;
-#endif
-
#define MXSMMC_MAX_TIMEOUT 10000
#define MXSMMC_SMALL_TRANSFER 512
priv->desc->cmd.data |= MXS_DMA_DESC_IRQ | MXS_DMA_DESC_DEC_SEM |
(data_count << MXS_DMA_DESC_BYTES_OFFSET);
- dmach = MXS_DMA_CHANNEL_AHB_APBH_SSP0 + priv->id + mxsmmc_id_offset;
+ dmach = MXS_DMA_CHANNEL_AHB_APBH_SSP0 + priv->id;
mxs_dma_desc_append(dmach, priv->desc);
if (mxs_dma_go(dmach)) {
bounce_buffer_stop(&bbstate);
static int
mxsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
{
- struct mxsmmc_priv *priv = (struct mxsmmc_priv *)mmc->priv;
+ struct mxsmmc_priv *priv = mmc->priv;
struct mxs_ssp_regs *ssp_regs = priv->regs;
uint32_t reg;
int timeout;
static void mxsmmc_set_ios(struct mmc *mmc)
{
- struct mxsmmc_priv *priv = (struct mxsmmc_priv *)mmc->priv;
+ struct mxsmmc_priv *priv = mmc->priv;
struct mxs_ssp_regs *ssp_regs = priv->regs;
/* Set the clock speed */
static int mxsmmc_init(struct mmc *mmc)
{
- struct mxsmmc_priv *priv = (struct mxsmmc_priv *)mmc->priv;
+ struct mxsmmc_priv *priv = mmc->priv;
struct mxs_ssp_regs *ssp_regs = priv->regs;
/* Reset SSP */
return 0;
}
+static const struct mmc_ops mxsmmc_ops = {
+ .send_cmd = mxsmmc_send_cmd,
+ .set_ios = mxsmmc_set_ios,
+ .init = mxsmmc_init,
+};
+
int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int), int (*cd)(int))
{
struct mmc *mmc = NULL;
struct mxsmmc_priv *priv = NULL;
int ret;
-#if defined(CONFIG_MX23)
- const unsigned int mxsmmc_max_id = 2;
- const unsigned int mxsmmc_clk_id = 0;
-#elif defined(CONFIG_MX28)
- const unsigned int mxsmmc_max_id = 4;
- const unsigned int mxsmmc_clk_id = id;
-#endif
+ const unsigned int mxsmmc_clk_id = mxs_ssp_clock_by_bus(id);
- if (id >= mxsmmc_max_id)
+ if (!mxs_ssp_bus_id_valid(id))
return -ENODEV;
- mmc = malloc(sizeof(struct mmc));
- if (!mmc)
- return -ENOMEM;
-
priv = malloc(sizeof(struct mxsmmc_priv));
- if (!priv) {
- free(mmc);
+ if (!priv)
return -ENOMEM;
- }
priv->desc = mxs_dma_desc_alloc();
if (!priv->desc) {
free(priv);
- free(mmc);
return -ENOMEM;
}
- ret = mxs_dma_init_channel(id + mxsmmc_id_offset);
+ ret = mxs_dma_init_channel(MXS_DMA_CHANNEL_AHB_APBH_SSP0 + id);
if (ret)
return ret;
priv->id = id;
priv->regs = mxs_ssp_regs_by_bus(id);
- sprintf(mmc->name, "MXS MMC");
- mmc->send_cmd = mxsmmc_send_cmd;
- mmc->set_ios = mxsmmc_set_ios;
- mmc->init = mxsmmc_init;
- mmc->getcd = NULL;
- mmc->priv = priv;
+ priv->cfg.name = "MXS MMC";
+ priv->cfg.ops = &mxsmmc_ops;
- mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
+ priv->cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
- mmc->host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT |
- MMC_MODE_HS_52MHz | MMC_MODE_HS;
+ priv->cfg.host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT |
+ MMC_MODE_HS_52MHz | MMC_MODE_HS |
+ MMC_MODE_HC;
/*
* SSPCLK = 480 * 18 / 29 / 1 = 297.731 MHz
* CLOCK_DIVIDE has to be an even value from 2 to 254, and
* CLOCK_RATE could be any integer from 0 to 255.
*/
- mmc->f_min = 400000;
- mmc->f_max = mxc_get_clock(MXC_SSP0_CLK + mxsmmc_clk_id) * 1000 / 2;
- mmc->b_max = 0x20;
+ priv->cfg.f_min = 400000;
+ priv->cfg.f_max = mxc_get_clock(MXC_SSP0_CLK + mxsmmc_clk_id) * 1000 / 2;
+ priv->cfg.b_max = 0x20;
- mmc_register(mmc);
+ mmc = mmc_create(&priv->cfg, priv);
+ if (mmc == NULL) {
+ mxs_dma_desc_free(priv->desc);
+ free(priv);
+ return -ENOMEM;
+ }
return 0;
}
projects / karo-tx-uboot.git / blobdiff