+// SPDX-License-Identifier: GPL-2.0+
/*
* Freescale i.MX28 SSP MMC driver
*
* Based vaguely on the pxa mmc code:
* (C) Copyright 2003
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <malloc.h>
#include <mmc.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>
-#include <asm/imx-common/dma.h>
+#include <asm/mach-imx/dma.h>
#include <bouncebuf.h>
struct mxsmmc_priv {
}
}
- return timeout ? 0 : COMM_ERR;
+ return timeout ? 0 : -ECOMM;
}
static int mxsmmc_send_cmd_dma(struct mxsmmc_priv *priv, struct mmc_data *data)
mxs_dma_desc_append(dmach, priv->desc);
if (mxs_dma_go(dmach)) {
bounce_buffer_stop(&bbstate);
- return COMM_ERR;
+ return -ECOMM;
}
bounce_buffer_stop(&bbstate);
uint32_t ctrl0;
int ret;
- debug("MMC%d: CMD%d\n", mmc->block_dev.dev, cmd->cmdidx);
+ debug("MMC%d: CMD%d\n", mmc->block_dev.devnum, cmd->cmdidx);
/* Check bus busy */
timeout = MXSMMC_MAX_TIMEOUT;
}
if (!timeout) {
- printf("MMC%d: Bus busy timeout!\n", mmc->block_dev.dev);
- return TIMEOUT;
+ printf("MMC%d: Bus busy timeout!\n", mmc->block_dev.devnum);
+ return -ETIMEDOUT;
}
/* See if card is present */
if (!mxsmmc_cd(priv)) {
- printf("MMC%d: No card detected!\n", mmc->block_dev.dev);
- return NO_CARD_ERR;
+ printf("MMC%d: No card detected!\n", mmc->block_dev.devnum);
+ return -ENOMEDIUM;
}
/* Start building CTRL0 contents */
if (data->flags & MMC_DATA_READ) {
ctrl0 |= SSP_CTRL0_READ;
} else if (priv->mmc_is_wp &&
- priv->mmc_is_wp(mmc->block_dev.dev)) {
+ priv->mmc_is_wp(mmc->block_dev.devnum)) {
printf("MMC%d: Can not write a locked card!\n",
- mmc->block_dev.dev);
- return UNUSABLE_ERR;
+ mmc->block_dev.devnum);
+ return -EOPNOTSUPP;
}
ctrl0 |= SSP_CTRL0_DATA_XFER;
if (!timeout) {
printf("MMC%d: Command %d busy\n",
- mmc->block_dev.dev, cmd->cmdidx);
- return TIMEOUT;
+ mmc->block_dev.devnum, cmd->cmdidx);
+ return -ETIMEDOUT;
}
/* Check command timeout */
if (reg & SSP_STATUS_RESP_TIMEOUT) {
printf("MMC%d: Command %d timeout (status 0x%08x)\n",
- mmc->block_dev.dev, cmd->cmdidx, reg);
- return TIMEOUT;
+ mmc->block_dev.devnum, cmd->cmdidx, reg);
+ return -ETIMEDOUT;
}
/* Check command errors */
if (reg & (SSP_STATUS_RESP_CRC_ERR | SSP_STATUS_RESP_ERR)) {
printf("MMC%d: Command %d error (status 0x%08x)!\n",
- mmc->block_dev.dev, cmd->cmdidx, reg);
- return COMM_ERR;
+ mmc->block_dev.devnum, cmd->cmdidx, reg);
+ return -ECOMM;
}
/* Copy response to response buffer */
if (ret) {
printf("MMC%d: Data timeout with command %d "
"(status 0x%08x)!\n",
- mmc->block_dev.dev, cmd->cmdidx, reg);
+ mmc->block_dev.devnum, cmd->cmdidx, reg);
return ret;
}
} else {
ret = mxsmmc_send_cmd_dma(priv, data);
if (ret) {
printf("MMC%d: DMA transfer failed\n",
- mmc->block_dev.dev);
+ mmc->block_dev.devnum);
return ret;
}
}
(SSP_STATUS_TIMEOUT | SSP_STATUS_DATA_CRC_ERR |
SSP_STATUS_FIFO_OVRFLW | SSP_STATUS_FIFO_UNDRFLW)) {
printf("MMC%d: Data error with command %d (status 0x%08x)!\n",
- mmc->block_dev.dev, cmd->cmdidx, reg);
- return COMM_ERR;
+ mmc->block_dev.devnum, cmd->cmdidx, reg);
+ return -ECOMM;
}
return 0;
}
-static void mxsmmc_set_ios(struct mmc *mmc)
+static int mxsmmc_set_ios(struct mmc *mmc)
{
struct mxsmmc_priv *priv = mmc->priv;
struct mxs_ssp_regs *ssp_regs = priv->regs;
SSP_CTRL0_BUS_WIDTH_MASK, priv->buswidth);
debug("MMC%d: Set %d bits bus width\n",
- mmc->block_dev.dev, mmc->bus_width);
+ mmc->block_dev.devnum, mmc->bus_width);
+
+ return 0;
}
static int mxsmmc_init(struct mmc *mmc)
priv->cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
priv->cfg.host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT |
- MMC_MODE_HS_52MHz | MMC_MODE_HS |
- MMC_MODE_HC;
+ MMC_MODE_HS_52MHz | MMC_MODE_HS;
/*
* SSPCLK = 480 * 18 / 29 / 1 = 297.731 MHz