+// SPDX-License-Identifier: GPL-2.0+
/*
* Marvell MMC/SD/SDIO driver
*
* (C) Copyright 2012-2014
* Marvell Semiconductor <www.marvell.com>
* Written-by: Maen Suleiman, Gerald Kerma
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <errno.h>
#include <malloc.h>
#include <part.h>
#include <mmc.h>
DRIVER_NAME, hw_state, count, (get_timer(0) - (start)));
}
- /* Set up for a data transfer if we have one */
- if (data) {
- int err = mvebu_mmc_setup_data(data);
-
- if (err) {
- debug("%s: command DATA error :%x\n",
- DRIVER_NAME, err);
- return err;
- }
- }
+ /* Clear status */
+ mvebu_mmc_write(SDIO_NOR_INTR_STATUS, SDIO_POLL_MASK);
+ mvebu_mmc_write(SDIO_ERR_INTR_STATUS, SDIO_POLL_MASK);
resptype = SDIO_CMD_INDEX(cmd->cmdidx);
}
if (data) {
+ int err = mvebu_mmc_setup_data(data);
+
+ if (err) {
+ debug("%s: command DATA error :%x\n",
+ DRIVER_NAME, err);
+ return err;
+ }
+
resptype |= SDIO_CMD_DATA_PRESENT | SDIO_CMD_CHECK_DATACRC16;
xfertype |= SDIO_XFER_MODE_HW_WR_DATA_EN;
if (data->flags & MMC_DATA_READ) {
/* Setting Xfer mode */
mvebu_mmc_write(SDIO_XFER_MODE, xfertype);
- mvebu_mmc_write(SDIO_NOR_INTR_STATUS, ~SDIO_NOR_CARD_INT);
- mvebu_mmc_write(SDIO_ERR_INTR_STATUS, SDIO_POLL_MASK);
-
/* Sending command */
mvebu_mmc_write(SDIO_CMD, resptype);
- mvebu_mmc_write(SDIO_NOR_INTR_EN, SDIO_POLL_MASK);
- mvebu_mmc_write(SDIO_ERR_INTR_EN, SDIO_POLL_MASK);
-
start = get_timer(0);
while (!((mvebu_mmc_read(SDIO_NOR_INTR_STATUS)) & waittype)) {
(SDIO_ERR_CMD_TIMEOUT | SDIO_ERR_DATA_TIMEOUT)) {
debug("%s: command READ timed out\n",
DRIVER_NAME);
- return TIMEOUT;
+ return -ETIMEDOUT;
}
debug("%s: command READ error\n", DRIVER_NAME);
- return COMM_ERR;
+ return -ECOMM;
}
if ((get_timer(0) - start) > TIMEOUT_DELAY) {
debug("%s: command timed out\n", DRIVER_NAME);
- return TIMEOUT;
+ return -ETIMEDOUT;
}
}
- if (mvebu_mmc_read(SDIO_ERR_INTR_STATUS) &
- (SDIO_ERR_CMD_TIMEOUT | SDIO_ERR_DATA_TIMEOUT))
- return TIMEOUT;
-
/* Handling response */
if (cmd->resp_type & MMC_RSP_136) {
uint response[8];
cmd->response[1] = ((response[0] & 0xfc00) >> 10);
cmd->response[2] = 0;
cmd->response[3] = 0;
+ } else {
+ cmd->response[0] = 0;
+ cmd->response[1] = 0;
+ cmd->response[2] = 0;
+ cmd->response[3] = 0;
}
debug("%s: resp[0x%x] ", DRIVER_NAME, cmd->resp_type);
debug("[0x%x] ", cmd->response[3]);
debug("\n");
+ if (mvebu_mmc_read(SDIO_ERR_INTR_STATUS) &
+ (SDIO_ERR_CMD_TIMEOUT | SDIO_ERR_DATA_TIMEOUT))
+ return -ETIMEDOUT;
+
return 0;
}
mvebu_mmc_write(SDIO_CLK_DIV, m & MVEBU_MMC_BASE_DIV_MAX);
debug("%s: clock (%d) div : %d\n", DRIVER_NAME, clock, m);
}
-
- udelay(10*1000);
}
static void mvebu_mmc_set_bus(unsigned int bus)
"high-speed" : "");
mvebu_mmc_write(SDIO_HOST_CTRL, ctrl_reg);
- udelay(10*1000);
}
-static void mvebu_mmc_set_ios(struct mmc *mmc)
+static int mvebu_mmc_set_ios(struct mmc *mmc)
{
debug("%s: bus[%d] clock[%d]\n", DRIVER_NAME,
mmc->bus_width, mmc->clock);
mvebu_mmc_set_bus(mmc->bus_width);
mvebu_mmc_set_clk(mmc->clock);
+
+ return 0;
}
/*
/* SW reset */
mvebu_mmc_write(SDIO_SW_RESET, SDIO_SW_RESET_NOW);
- udelay(10*1000);
-
return 0;
}
.f_min = MVEBU_MMC_BASE_FAST_CLOCK / MVEBU_MMC_BASE_DIV_MAX,
.f_max = MVEBU_MMC_CLOCKRATE_MAX,
.voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
- .host_caps = MMC_MODE_4BIT | MMC_MODE_HS | MMC_MODE_HC |
+ .host_caps = MMC_MODE_4BIT | MMC_MODE_HS |
MMC_MODE_HS_52MHz,
.part_type = PART_TYPE_DOS,
.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT,