[U-Boot] [PATCH v2 1/5] Add Marvell SDIO/MMC driver for Kirkwood SoC
DrEagle
dreagle at doukki.net
Sat Sep 22 09:15:57 CEST 2012
Add Marvell SDIO/MMC driver for Kirkwood SoC
Signed-off-by: Gérald Kerma <uboot at doukki.net>
Signed-off-by: Lior Amsalem <alior at marvell.com>
---
drivers/mmc/Makefile | 1 +
drivers/mmc/mrvl_mmc.c | 277 ++++++++++++++++++++++++++++++++++++++++++++++++
include/mrvl_mmc.h | 191 +++++++++++++++++++++++++++++++++
3 files changed, 469 insertions(+)
create mode 100644 drivers/mmc/mrvl_mmc.c
create mode 100644 include/mrvl_mmc.h
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 2b96cdc..7f3b7c1 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -37,6 +37,7 @@ COBJS-$(CONFIG_GENERIC_MMC) += mmc.o
COBJS-$(CONFIG_GENERIC_ATMEL_MCI) += gen_atmel_mci.o
COBJS-$(CONFIG_MMC_SPI) += mmc_spi.o
COBJS-$(CONFIG_ARM_PL180_MMCI) += arm_pl180_mmci.o
+COBJS-$(CONFIG_MRVL_MMC) += mrvl_mmc.o
COBJS-$(CONFIG_MV_SDHCI) += mv_sdhci.o
COBJS-$(CONFIG_MXC_MMC) += mxcmmc.o
COBJS-$(CONFIG_MXS_MMC) += mxsmmc.o
diff --git a/drivers/mmc/mrvl_mmc.c b/drivers/mmc/mrvl_mmc.c
new file mode 100644
index 0000000..8127961
--- /dev/null
+++ b/drivers/mmc/mrvl_mmc.c
@@ -0,0 +1,277 @@
+/*
+ * Driver for Marvell SDIO/MMC controller
+ *
+ * (C) Copyright 2012
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Lior Amsalem <alior at marvell.com>
+ * 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
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <part.h>
+#include <mmc.h>
+
+#include <mrvl_mmc.h>
+#define MRVL_MMC_MAKE_CMD(c, f) (((c & 0xff) << 8) | (f & 0xff))
+
+
+static int mrvl_mmc_setup_data(struct mmc_data *data)
+{
+ if (data->flags & MMC_DATA_READ) {
+ SDIO_REG_WRITE16(SDIO_SYS_ADDR_LOW,((ulong)(data->dest)) & 0xffff);
+ SDIO_REG_WRITE16(SDIO_SYS_ADDR_HI,(((ulong)data->dest) >> 16) & 0xffff);
+ } else {
+ SDIO_REG_WRITE16(SDIO_SYS_ADDR_LOW,((ulong)(data->src)) & 0xffff);
+ SDIO_REG_WRITE16(SDIO_SYS_ADDR_HI,(((ulong)data->src) >> 16) & 0xffff);
+ }
+
+ SDIO_REG_WRITE16(SDIO_BLK_SIZE, data->blocksize);
+ SDIO_REG_WRITE16(SDIO_BLK_COUNT, data->blocks);
+
+ return 0;
+}
+
+static int mrvl_mmc_send_cmd (struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
+{
+ int timeout = 10;
+ ushort waittype = 0;
+ int err = 0 ;
+ ushort response[8], resp_indx = 0;
+ ushort resptype = 0;
+ ushort xfertype = 0;
+
+#ifdef DEBUG
+ printf("cmd [0x%x] resp_type[0x%x] arg[0x%x]\n", cmd->cmdidx, cmd->resp_type, cmd->cmdarg);
+#endif
+
+ /* clear status */
+ SDIO_REG_WRITE16(SDIO_NOR_INTR_STATUS, 0xffff);
+ SDIO_REG_WRITE16(SDIO_ERR_INTR_STATUS, 0xffff);
+
+ /* Checking if card is busy */
+ while ((SDIO_REG_READ16(SDIO_PRESENT_STATE0) & CARD_BUSY)) {
+ if (timeout == 0) {
+ printf("MRVL MMC: card busy!\n");
+ return -1;
+ }
+ timeout--;
+ udelay(1000);
+ }
+
+ /* Set up for a data transfer if we have one */
+ if (data) {
+ int err;
+ err = mrvl_mmc_setup_data(data);
+ if(err)
+ return err;
+ }
+
+ /* Analyzing resptype/xfertype/waittype for the command */
+ if (cmd->resp_type & MMC_RSP_BUSY)
+ resptype |= SDIO_CMD_RSP_48BUSY;
+ else if (cmd->resp_type & MMC_RSP_136)
+ resptype |= SDIO_CMD_RSP_136;
+ else if (cmd->resp_type & MMC_RSP_PRESENT)
+ resptype |= SDIO_CMD_RSP_48;
+ else
+ resptype |= SDIO_CMD_RSP_NONE;
+
+ if (cmd->resp_type & MMC_RSP_CRC)
+ resptype |= SDIO_CMD_CHECK_CMDCRC;
+
+ if (cmd->resp_type & MMC_RSP_OPCODE)
+ resptype |= SDIO_CMD_INDX_CHECK;
+
+ if (cmd->resp_type & MMC_RSP_PRESENT) {
+ resptype |= SDIO_UNEXPECTED_RESP;
+ waittype |= SDIO_NOR_UNEXP_RSP;
+ }
+
+ if (data) {
+ resptype |= SDIO_CMD_DATA_PRESENT | SDIO_CMD_CHECK_DATACRC16;
+ xfertype |= SDIO_XFER_MODE_HW_WR_DATA_EN;
+ if (data->flags & MMC_DATA_READ) {
+ xfertype |= SDIO_XFER_MODE_TO_HOST;
+ waittype = SDIO_NOR_DMA_INI;
+ } else
+ waittype |= SDIO_NOR_XFER_DONE;
+ } else {
+ waittype |= SDIO_NOR_CMD_DONE;
+ }
+
+ /* Setting cmd arguments */
+ SDIO_REG_WRITE16(SDIO_ARG_LOW, (ushort)(cmd->cmdarg & 0xffff));
+ SDIO_REG_WRITE16(SDIO_ARG_HI, (ushort)(cmd->cmdarg >> 16) );
+
+ /* Setting Xfer mode */
+ SDIO_REG_WRITE16(SDIO_XFER_MODE, xfertype);
+
+ /* Sending command */
+ SDIO_REG_WRITE16(SDIO_CMD, MRVL_MMC_MAKE_CMD(cmd->cmdidx, resptype));
+
+ /* Waiting for completion */
+ timeout = 1000000;
+
+ while (!((SDIO_REG_READ16(SDIO_NOR_INTR_STATUS)) & waittype)) {
+ udelay(1);
+ if (SDIO_REG_READ16(SDIO_NOR_INTR_STATUS) & SDIO_NOR_ERROR) {
+#ifdef DEBUG
+ printf("mrvl_mmc_send_cmd: error! cmd : %d, err reg: %04x\n", cmd->cmdidx, SDIO_REG_READ16(SDIO_ERR_INTR_STATUS));
+#endif
+ if (SDIO_REG_READ16(SDIO_ERR_INTR_STATUS) & (SDIO_ERR_CMD_TIMEOUT | SDIO_ERR_DATA_TIMEOUT))
+ return TIMEOUT;
+ return COMM_ERR;
+ }
+ timeout--;
+ if (timeout <= 0) {
+ printf("MRVL MMC: command timed out\n");
+ return TIMEOUT;
+ }
+ }
+
+ /* Handling response */
+ for (resp_indx = 0 ; resp_indx < 8; resp_indx++)
+ response[resp_indx] = SDIO_REG_READ16(SDIO_RSP(resp_indx));
+
+ /* Copy the response to the response buffer */
+ if (cmd->resp_type & MMC_RSP_PRESENT) {
+ cmd->response[0] = ((response[2] & 0x3f) << (8 - 8)) |
+ ((response[1] & 0xffff) << (14 - 8)) |
+ ((response[0] & 0x3ff) << (30 - 8));
+ if (cmd->resp_type & MMC_RSP_136) {
+ cmd->response[3] = ((response[7] & 0x3fff) << 8) |
+ ((response[6] & 0x3ff) << 22);
+ cmd->response[2] = ((response[6] & 0xfc00) >> 10) |
+ ((response[5] & 0xffff) << 6) |
+ ((response[4] & 0x3ff) << 22);
+ cmd->response[1] = ((response[4] & 0xfc00) >> 10) |
+ ((response[3] & 0xffff) << 6) |
+ ((response[2] & 0x3ff) << 22);
+ cmd->response[0] = ((response[2] & 0xfc00) >> 10) |
+ ((response[1] & 0xffff) << 6) |
+ ((response[0] & 0x3ff) << 22);
+ }
+ }
+
+#ifdef DEBUG
+ printf("resp index[0x%x] ", response[0] >> 10);
+ printf("[0x%x] ", cmd->response[0]);
+ printf("[0x%x] ", cmd->response[1]);
+ printf("[0x%x] ", cmd->response[2]);
+ printf("[0x%x] ", cmd->response[3]);
+ printf("\n");
+#endif
+
+ return 0;
+}
+
+static void mrvl_mmc_set_clk(unsigned long clk)
+{
+ unsigned int m;
+
+ m = MRVL_MMC_BASE_FAST_CLOCK/(2*clk) - 1;
+#ifdef DEBUG
+ printf("mrvl_mmc_set_clk: dividor = 0x%x clock=%d\n", m, clk);
+#endif
+ SDIO_REG_WRITE32(SDIO_CLK_DIV, m & 0x7ff);
+ udelay(10*1000);
+}
+
+static void mrvl_mmc_set_bus(unsigned int bus)
+{
+ ushort reg;
+
+#ifdef DEBUG
+ printf("mrvl_mmc_set_bus: bus = 0x%d\n", bus);
+#endif
+ reg = SDIO_REG_READ16(SDIO_HOST_CTRL);
+ reg &= ~(1 << 9);
+ switch (bus) {
+ case 4:
+ reg |= SDIO_HOST_CTRL_DATA_WIDTH_4_BITS;
+ break;
+ case 1:
+ default:
+ reg |= SDIO_HOST_CTRL_DATA_WIDTH_1_BIT;
+ }
+ SDIO_REG_WRITE16(SDIO_HOST_CTRL, reg);
+ udelay(10*1000);
+}
+static void mrvl_mmc_set_ios(struct mmc *mmc)
+{
+#ifdef DEBUG
+ printf("bus[%d] clock[%d]\n", mmc->bus_width, mmc->clock);
+#endif
+ mrvl_mmc_set_bus(mmc->bus_width);
+ mrvl_mmc_set_clk(mmc->clock);
+}
+
+static int mrvl_mmc_init(struct mmc *mmc)
+{
+#ifdef DEBUG
+ printf("mrvl_mmc_init\n");
+#endif
+
+ /* Setting host parameters */
+ SDIO_REG_WRITE16(SDIO_HOST_CTRL,
+ SDIO_HOST_CTRL_TMOUT(0xf) |
+ SDIO_HOST_CTRL_DATA_WIDTH_4_BITS |
+ SDIO_HOST_CTRL_BIG_ENDIAN |
+ SDIO_HOST_CTRL_PUSH_PULL_EN |
+ SDIO_HOST_CTRL_CARD_TYPE_MEM_ONLY );
+ SDIO_REG_WRITE16(SDIO_CLK_CTRL, 0);
+
+ /* enable status */
+ SDIO_REG_WRITE16(SDIO_NOR_STATUS_EN, 0xffff);
+ SDIO_REG_WRITE16(SDIO_ERR_STATUS_EN, 0xffff);
+
+ /* disable interrupts */
+ SDIO_REG_WRITE16(SDIO_NOR_INTR_EN, 0);
+ SDIO_REG_WRITE16(SDIO_ERR_INTR_EN, 0);
+
+ /* SW reset */
+ SDIO_REG_WRITE16(SDIO_SW_RESET,0x100);
+ udelay(10000);
+ return 0;
+}
+
+int mrvl_mmc_initialize(bd_t *bis)
+{
+ struct mmc *mmc = NULL;
+
+ mmc = malloc(sizeof(struct mmc));
+ if (!mmc)
+ return -1;
+
+ sprintf(mmc->name, "MRVL_MMC");
+ mmc->send_cmd = mrvl_mmc_send_cmd;
+ mmc->set_ios = mrvl_mmc_set_ios;
+ mmc->init = mrvl_mmc_init;
+
+ mmc->host_caps = MMC_MODE_4BIT | MMC_MODE_HS;
+ mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
+ mmc->f_max = MRVL_MMC_CLOCKRATE_MAX;
+ mmc->f_min = MRVL_MMC_CLOCKRATE_MIN;
+ mmc->block_dev.part_type = PART_TYPE_DOS;
+
+ mmc_register(mmc);
+
+ return 0;
+}
diff --git a/include/mrvl_mmc.h b/include/mrvl_mmc.h
new file mode 100644
index 0000000..db3a15a
--- /dev/null
+++ b/include/mrvl_mmc.h
@@ -0,0 +1,191 @@
+/*
+ * (C) Copyright 2012
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Lior Amsalem <alior at marvell.com>
+ * 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
+ */
+#ifndef __MRVL_MMC_H__
+#define __MRVL_MMC_H__
+
+/* General definitions */
+#define P(x) (CONFIG_SYS_MMC_BASE + (x))
+#define SDIO_REG_WRITE32(addr,val) (*(volatile unsigned long*)(P(addr)) = val)
+#define SDIO_REG_WRITE16(addr,val) (*(volatile unsigned short*)(P(addr)) = val)
+#define SDIO_REG_READ16(addr) (*(volatile unsigned short*)(P(addr)))
+#define SDIO_REG_READ32(addr) (*(volatile unsigned long*)(P(addr)))
+
+//#define MVSDMMC_DMA_SIZE 65536
+//#define MVSDMMC_CMD_TIMEOUT 2 /* 100 usec*/
+
+/* The base MMC clock rate */
+#define MRVL_MMC_CLOCKRATE_MIN 250000
+#define MRVL_MMC_CLOCKRATE_MAX 50000000
+#define MRVL_MMC_BASE_FAST_CLOCK 200000000//100000000
+
+/* SDIO register */
+#define SDIO_SYS_ADDR_LOW 0x000
+#define SDIO_SYS_ADDR_HI 0x004
+#define SDIO_BLK_SIZE 0x008
+#define SDIO_BLK_COUNT 0x00c
+#define SDIO_ARG_LOW 0x010
+#define SDIO_ARG_HI 0x014
+#define SDIO_XFER_MODE 0x018
+#define SDIO_CMD 0x01c
+#define SDIO_RSP(i) (0x020 + ((i)<<2))
+#define SDIO_RSP0 0x020
+#define SDIO_RSP1 0x024
+#define SDIO_RSP2 0x028
+#define SDIO_RSP3 0x02c
+#define SDIO_RSP4 0x030
+#define SDIO_RSP5 0x034
+#define SDIO_RSP6 0x038
+#define SDIO_RSP7 0x03c
+#define SDIO_BUF_DATA_PORT 0x040
+#define SDIO_RSVED 0x044
+#define SDIO_PRESENT_STATE0 0x048
+#define SDIO_PRESENT_STATE1 0x04c
+#define SDIO_HOST_CTRL 0x050
+#define SDIO_BLK_GAP_CTRL 0x054
+#define SDIO_CLK_CTRL 0x058
+#define SDIO_SW_RESET 0x05c
+#define SDIO_NOR_INTR_STATUS 0x060
+#define SDIO_ERR_INTR_STATUS 0x064
+#define SDIO_NOR_STATUS_EN 0x068
+#define SDIO_ERR_STATUS_EN 0x06c
+#define SDIO_NOR_INTR_EN 0x070
+#define SDIO_ERR_INTR_EN 0x074
+#define SDIO_AUTOCMD12_ERR_STATUS 0x078
+#define SDIO_CURR_BYTE_LEFT 0x07c
+#define SDIO_CURR_BLK_LEFT 0x080
+#define SDIO_AUTOCMD12_ARG_LOW 0x084
+#define SDIO_AUTOCMD12_ARG_HI 0x088
+#define SDIO_AUTOCMD12_INDEX 0x08c
+#define SDIO_AUTO_RSP(i) (0x090 + ((i)<<2))
+#define SDIO_AUTO_RSP0 0x090
+#define SDIO_AUTO_RSP1 0x094
+#define SDIO_AUTO_RSP2 0x098
+#define SDIO_CLK_DIV 0x128
+
+#define WINDOW_CTRL(i) (0x108 + ((i) << 3))
+#define WINDOW_BASE(i) (0x10c + ((i) << 3))
+
+/* SDIO_PRESENT_STATE */
+#define CARD_BUSY (1 << 1)
+#define CMD_INHIBIT (1 << 0)
+#define CMD_TXACTIVE (1 << 8)
+#define CMD_RXACTIVE (1 << 9)
+#define CMD_AUTOCMD12ACTIVE (1 << 14)
+#define CMD_BUS_BUSY (CMD_AUTOCMD12ACTIVE | \
+ CMD_RXACTIVE | \
+ CMD_TXACTIVE | \
+ CMD_INHIBIT | \
+ CARD_BUSY)
+
+/* SDIO_CMD */
+#define SDIO_CMD_RSP_NONE (0 << 0)
+#define SDIO_CMD_RSP_136 (1 << 0)
+#define SDIO_CMD_RSP_48 (2 << 0)
+#define SDIO_CMD_RSP_48BUSY (3 << 0)
+#define SDIO_CMD_CHECK_DATACRC16 (1 << 2)
+#define SDIO_CMD_CHECK_CMDCRC (1 << 3)
+#define SDIO_CMD_INDX_CHECK (1 << 4)
+#define SDIO_CMD_DATA_PRESENT (1 << 5)
+#define SDIO_UNEXPECTED_RESP (1 << 7)
+
+/* SDIO_XFER_MODE */
+#define SDIO_XFER_MODE_STOP_CLK (1 << 5)
+#define SDIO_XFER_MODE_HW_WR_DATA_EN (1 << 1)
+#define SDIO_XFER_MODE_AUTO_CMD12 (1 << 2)
+#define SDIO_XFER_MODE_INT_CHK_EN (1 << 3)
+#define SDIO_XFER_MODE_TO_HOST (1 << 4)
+#define SDIO_XFER_MODE_DMA (0 << 6)
+
+/* SDIO_HOST_CTRL */
+#define SDIO_HOST_CTRL_PUSH_PULL_EN (1 << 0)
+#define SDIO_HOST_CTRL_CARD_TYPE_MEM_ONLY (0 << 1)
+#define SDIO_HOST_CTRL_CARD_TYPE_IO_ONLY (1 << 1)
+#define SDIO_HOST_CTRL_CARD_TYPE_IO_MEM_COMBO (2 << 1)
+#define SDIO_HOST_CTRL_CARD_TYPE_MMC (3 << 1)
+#define SDIO_HOST_CTRL_CARD_TYPE_MASK (3 << 1)
+#define SDIO_HOST_CTRL_BIG_ENDIAN (1 << 3)
+#define SDIO_HOST_CTRL_LSB_FIRST (1 << 4)
+#define SDIO_HOST_CTRL_ID_MODE_LOW_FREQ (1 << 5)
+#define SDIO_HOST_CTRL_HALF_SPEED (1 << 6)
+#define SDIO_HOST_CTRL_DATA_WIDTH_1_BIT (0 << 9)
+#define SDIO_HOST_CTRL_DATA_WIDTH_4_BITS (1 << 9)
+#define SDIO_HOST_CTRL_HI_SPEED_EN (1 << 10)
+#define SDIO_HOST_CTRL_TMOUT_MASK (0xf << 11)
+#define SDIO_HOST_CTRL_TMOUT_MAX (0xf << 11)
+#define SDIO_HOST_CTRL_TMOUT(x) ((x) << 11)
+#define SDIO_HOST_CTRL_TMOUT_EN (1 << 15)
+#define SDIO_HOST_CTRL_DFAULT_OPEN_DRAIN (SDIO_HOST_CTRL_TMOUT(x)(0xf))
+#define SDIO_HOST_CTRL_DFAULT_PUSH_PULL (SDIO_HOST_CTRL_TMOUT(x)(0xf) | SDIO_HOST_CTRL_PUSH_PULL_EN)
+
+/* NOR status bits */
+#define SDIO_NOR_ERROR (1 << 15)
+#define SDIO_NOR_UNEXP_RSP (1 << 14)
+#define SDIO_NOR_AUTOCMD12_DONE (1 << 13)
+#define SDIO_NOR_SUSPEND_ON (1 << 12)
+#define SDIO_NOR_LMB_FF_8W_AVAIL (1 << 11)
+#define SDIO_NOR_LMB_FF_8W_FILLED (1 << 10)
+#define SDIO_NOR_READ_WAIT_ON (1 << 9)
+#define SDIO_NOR_CARD_INT (1 << 8)
+#define SDIO_NOR_READ_READY (1 << 5)
+#define SDIO_NOR_WRITE_READY (1 << 4)
+#define SDIO_NOR_DMA_INI (1 << 3)
+#define SDIO_NOR_BLK_GAP_EVT (1 << 2)
+#define SDIO_NOR_XFER_DONE (1 << 1)
+#define SDIO_NOR_CMD_DONE (1 << 0)
+
+/* ERR status bits */
+#define SDIO_ERR_CRC_STATUS (1 << 14)
+#define SDIO_ERR_CRC_STARTBIT (1 << 13)
+#define SDIO_ERR_CRC_ENDBIT (1 << 12)
+#define SDIO_ERR_RESP_TBIT (1 << 11)
+#define SDIO_ERR_SIZE (1 << 10)
+#define SDIO_ERR_CMD_STARTBIT (1 << 9)
+#define SDIO_ERR_AUTOCMD12 (1 << 8)
+#define SDIO_ERR_DATA_ENDBIT (1 << 6)
+#define SDIO_ERR_DATA_CRC (1 << 5)
+#define SDIO_ERR_DATA_TIMEOUT (1 << 4)
+#define SDIO_ERR_CMD_INDEX (1 << 3)
+#define SDIO_ERR_CMD_ENDBIT (1 << 2)
+#define SDIO_ERR_CMD_CRC (1 << 1)
+#define SDIO_ERR_CMD_TIMEOUT (1 << 0)
+#define SDIO_POLL_MASK 0xffff /* enable all for polling */
+
+/* MMC commands */
+#define MMC_BLOCK_SIZE 512
+#define MMC_CMD_RESET 0
+#define MMC_CMD_SEND_OP_COND 1
+#define MMC_CMD_ALL_SEND_CID 2
+#define MMC_CMD_SET_RCA 3
+#define MMC_CMD_SELECT_CARD 7
+#define MMC_CMD_SEND_CSD 9
+#define MMC_CMD_SEND_CID 10
+#define MMC_CMD_SEND_STATUS 13
+#define MMC_CMD_SET_BLOCKLEN 16
+#define MMC_CMD_READ_BLOCK 17
+#define MMC_CMD_RD_BLK_MULTI 18
+#define MMC_CMD_WRITE_BLOCK 24
+#define MMC_MAX_BLOCK_SIZE 512
+
+#endif /* __MRVL_MMC_H__ */
+
+int mrvl_mmc_initialize(bd_t *bis);
--
1.7.10.4
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