* [U-Boot] [PATCH 2/2] AVR32: remove old atmel_mci driver
2011-10-12 13:09 [U-Boot] [PATCH] AVR32: switch to generic mmc framework Sven Schnelle
2011-10-12 13:09 ` [U-Boot] [PATCH 1/2] AVR32: use " Sven Schnelle
@ 2011-10-12 13:09 ` Sven Schnelle
2011-10-12 17:01 ` [U-Boot] [PATCH] AVR32: switch to generic mmc framework Reinhard Meyer
2 siblings, 0 replies; 14+ messages in thread
From: Sven Schnelle @ 2011-10-12 13:09 UTC (permalink / raw)
To: u-boot
And while at it, rename gen_atmel_mci.c to atmel_mci.c and replace
CONFIG_GENERIC_ATMEL_MCI with CONFIG_ATMEL_MCI.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
---
arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c | 2 +-
arch/avr32/lib/board.c | 2 +-
board/atmel/atngw100/atngw100.c | 2 +-
board/atmel/atstk1000/atstk1000.c | 2 +-
board/emk/top9000/top9000.c | 2 +-
doc/README.atmel_mci | 8 +-
drivers/mmc/Makefile | 3 +-
drivers/mmc/atmel_mci.c | 691 ++++++++-------------
drivers/mmc/gen_atmel_mci.c | 356 -----------
include/configs/atngw100.h | 2 +-
include/configs/atstk1002.h | 2 +-
include/configs/atstk1003.h | 2 +-
include/configs/atstk1004.h | 2 +-
include/configs/atstk1006.h | 2 +-
include/configs/favr-32-ezkit.h | 2 +-
include/configs/hammerhead.h | 2 +-
include/configs/mimc200.h | 2 +-
include/configs/top9000.h | 2 +-
18 files changed, 276 insertions(+), 810 deletions(-)
delete mode 100644 drivers/mmc/gen_atmel_mci.c
diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c
index 65b8d51..9fc94df 100644
--- a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c
+++ b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c
@@ -196,7 +196,7 @@ void at91_macb_hw_init(void)
}
#endif
-#if defined(CONFIG_ATMEL_MCI) || defined(CONFIG_GENERIC_ATMEL_MCI)
+#if defined(CONFIG_ATMEL_MCI) || defined(CONFIG_ATMEL_MCI)
void at91_mci_hw_init(void)
{
at91_set_a_periph(AT91_PIO_PORTA, 8, 1); /* MCCK */
diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c
index 694755c..131b9bf 100644
--- a/arch/avr32/lib/board.c
+++ b/arch/avr32/lib/board.c
@@ -334,7 +334,7 @@ void board_init_r(gd_t *new_gd, ulong dest_addr)
eth_initialize(gd->bd);
#endif
-#ifdef CONFIG_GENERIC_ATMEL_MCI
+#ifdef CONFIG_ATMEL_MCI
mmc_initialize(gd->bd);
#endif
for (;;) {
diff --git a/board/atmel/atngw100/atngw100.c b/board/atmel/atngw100/atngw100.c
index af22403..194f465 100644
--- a/board/atmel/atngw100/atngw100.c
+++ b/board/atmel/atngw100/atngw100.c
@@ -140,7 +140,7 @@ void spi_cs_deactivate(struct spi_slave *slave)
}
#endif /* CONFIG_ATMEL_SPI */
-#ifdef CONFIG_GENERIC_ATMEL_MCI
+#ifdef CONFIG_ATMEL_MCI
int board_mmc_init(bd_t *bd)
{
/* This calls the atmel_mci_init in gen_atmel_mci.c */
diff --git a/board/atmel/atstk1000/atstk1000.c b/board/atmel/atstk1000/atstk1000.c
index 93f8e43..6885e09 100644
--- a/board/atmel/atstk1000/atstk1000.c
+++ b/board/atmel/atstk1000/atstk1000.c
@@ -140,7 +140,7 @@ int board_eth_init(bd_t *bi)
}
#endif
-#ifdef CONFIG_GENERIC_ATMEL_MCI
+#ifdef CONFIG_ATMEL_MCI
int board_mmc_init(bd_t *bd)
{
/* This calls the atmel_mci_init in gen_atmel_mci.c */
diff --git a/board/emk/top9000/top9000.c b/board/emk/top9000/top9000.c
index 61dee62..11f0e97 100644
--- a/board/emk/top9000/top9000.c
+++ b/board/emk/top9000/top9000.c
@@ -91,7 +91,7 @@ static void macb_hw_init(void)
}
#endif
-#ifdef CONFIG_GENERIC_ATMEL_MCI
+#ifdef CONFIG_ATMEL_MCI
/* this is a weak define that we are overriding */
int board_mmc_init(bd_t *bd)
{
diff --git a/doc/README.atmel_mci b/doc/README.atmel_mci
index dee0cf0..cd995dc 100644
--- a/doc/README.atmel_mci
+++ b/doc/README.atmel_mci
@@ -20,7 +20,7 @@ board/SoC specific manner before the driver is initialized:
example: this is added to at91sam9260_devices.c:
-#if defined(CONFIG_ATMEL_MCI) || defined(CONFIG_GENERIC_ATMEL_MCI)
+#if defined(CONFIG_ATMEL_MCI) || defined(CONFIG_ATMEL_MCI)
void at91_mci_hw_init(void)
{
at91_set_a_periph(AT91_PIO_PORTA, 8, PUP); /* MCCK */
@@ -42,11 +42,11 @@ void at91_mci_hw_init(void)
the board specific file need added:
...
-#ifdef CONFIG_GENERIC_ATMEL_MCI
+#ifdef CONFIG_ATMEL_MCI
# include <mmc.h>
#endif
...
-#ifdef CONFIG_GENERIC_ATMEL_MCI
+#ifdef CONFIG_ATMEL_MCI
/* this is a weak define that we are overriding */
int board_mmc_init(bd_t *bd)
{
@@ -79,7 +79,7 @@ and the board definition files needs:
/* SD/MMC card */
#define CONFIG_MMC 1
#define CONFIG_GENERIC_MMC 1
-#define CONFIG_GENERIC_ATMEL_MCI 1
+#define CONFIG_ATMEL_MCI 1
#define CONFIG_ATMEL_MCI_PORTB 1 /* Atmel XE-EK uses port B */
#define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9
#define CONFIG_CMD_MMC 1
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 6e94860..9ae5f53 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -25,13 +25,12 @@ include $(TOPDIR)/config.mk
LIB := $(obj)libmmc.o
-COBJS-$(CONFIG_ATMEL_MCI) += atmel_mci.o
COBJS-$(CONFIG_BFIN_SDH) += bfin_sdh.o
COBJS-$(CONFIG_DAVINCI_MMC) += davinci_mmc.o
COBJS-$(CONFIG_FSL_ESDHC) += fsl_esdhc.o
COBJS-$(CONFIG_FTSDC010) += ftsdc010_esdhc.o
COBJS-$(CONFIG_GENERIC_MMC) += mmc.o
-COBJS-$(CONFIG_GENERIC_ATMEL_MCI) += gen_atmel_mci.o
+COBJS-$(CONFIG_ATMEL_MCI) += atmel_mci.o
COBJS-$(CONFIG_MMC_SPI) += mmc_spi.o
COBJS-$(CONFIG_ARM_PL180_MMCI) += arm_pl180_mmci.o
COBJS-$(CONFIG_MV_SDHCI) += mv_sdhci.o
diff --git a/drivers/mmc/atmel_mci.c b/drivers/mmc/atmel_mci.c
index 0af8d42..f346b24 100644
--- a/drivers/mmc/atmel_mci.c
+++ b/drivers/mmc/atmel_mci.c
@@ -1,4 +1,9 @@
/*
+ * Copyright (C) 2010
+ * Rob Emanuele <rob@emanuele.us>
+ * Reinhard Meyer, EMK Elektronik <reinhard.meyer@emk-elektronik.de>
+ *
+ * Original Driver:
* Copyright (C) 2004-2006 Atmel Corporation
*
* See file CREDITS for list of people who contributed to this
@@ -11,7 +16,7 @@
*
* 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
+ * 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
@@ -19,515 +24,333 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
-#include <common.h>
-#include <part.h>
+#include <common.h>
#include <mmc.h>
-
+#include <part.h>
+#include <malloc.h>
#include <asm/io.h>
#include <asm/errno.h>
#include <asm/byteorder.h>
#include <asm/arch/clk.h>
#include <asm/arch/hardware.h>
-
#include "atmel_mci.h"
-#ifdef DEBUG
-#define pr_debug(fmt, args...) printf(fmt, ##args)
-#else
-#define pr_debug(...) do { } while(0)
-#endif
-
#ifndef CONFIG_SYS_MMC_CLK_OD
-#define CONFIG_SYS_MMC_CLK_OD 150000
+# define CONFIG_SYS_MMC_CLK_OD 150000
#endif
-#ifndef CONFIG_SYS_MMC_CLK_PP
-#define CONFIG_SYS_MMC_CLK_PP 5000000
-#endif
+#define MMC_DEFAULT_BLKLEN 512
-#ifndef CONFIG_SYS_MMC_OP_COND
-#define CONFIG_SYS_MMC_OP_COND 0x00100000
+#if defined(CONFIG_ATMEL_MCI_PORTB)
+# define MCI_BUS 1
+#else
+# define MCI_BUS 0
#endif
-#define MMC_DEFAULT_BLKLEN 512
-#define MMC_DEFAULT_RCA 1
-
-static unsigned int mmc_rca;
-static int mmc_card_is_sd;
-static block_dev_desc_t mmc_blkdev;
+static int initialized = 0;
-block_dev_desc_t *mmc_get_dev(int dev)
+/*
+ * Print command and status:
+ *
+ * - always when DEBUG is defined
+ * - on command errors
+ */
+static void dump_cmd(u32 cmdr, u32 arg, u32 status, const char* msg)
{
- return &mmc_blkdev;
+ printf("gen_atmel_mci: CMDR %08x (%2u) ARGR %08x (SR: %08x) %s\n",
+ cmdr, cmdr&0x3F, arg, status, msg);
}
-static void mci_set_mode(unsigned long hz, unsigned long blklen)
+/* Setup for MCI Clock and Block Size */
+static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen)
{
- unsigned long bus_hz;
- unsigned long clkdiv;
-
- bus_hz = get_mci_clk_rate();
- clkdiv = (bus_hz / hz) / 2 - 1;
-
- pr_debug("mmc: setting clock %lu Hz, block size %lu\n",
- hz, blklen);
-
- if (clkdiv & ~255UL) {
- clkdiv = 255;
- printf("mmc: clock %lu too low; setting CLKDIV to 255\n",
- hz);
+ atmel_mci_t *mci = (atmel_mci_t *)mmc->priv;
+ u32 bus_hz = get_mci_clk_rate();
+ u32 clkdiv = 255;
+
+ debug("mci: bus_hz is %u, setting clock %u Hz, block size %u\n",
+ bus_hz, hz, blklen);
+ if (hz > 0) {
+ /* find lowest clkdiv yielding a rate <= than requested */
+ for (clkdiv=0; clkdiv<255; clkdiv++) {
+ if ((bus_hz / (clkdiv+1) / 2) <= hz)
+ break;
+ }
}
+ printf("mci: setting clock %u Hz, block size %u\n",
+ (bus_hz / (clkdiv+1)) / 2, blklen);
blklen &= 0xfffc;
- mmci_writel(MR, (MMCI_BF(CLKDIV, clkdiv)
- | MMCI_BF(BLKLEN, blklen)
- | MMCI_BIT(RDPROOF)
- | MMCI_BIT(WRPROOF)));
+ /* On some platforms RDPROOF and WRPROOF are ignored */
+ writel((MMCI_BF(CLKDIV, clkdiv)
+ | MMCI_BF(BLKLEN, blklen)
+ | MMCI_BIT(RDPROOF)
+ | MMCI_BIT(WRPROOF)), &mci->mr);
+ initialized = 1;
}
-#define RESP_NO_CRC 1
-#define R1 MMCI_BF(RSPTYP, 1)
-#define R2 MMCI_BF(RSPTYP, 2)
-#define R3 (R1 | RESP_NO_CRC)
-#define R6 R1
-#define NID MMCI_BF(MAXLAT, 0)
-#define NCR MMCI_BF(MAXLAT, 1)
-#define TRCMD_START MMCI_BF(TRCMD, 1)
-#define TRDIR_READ MMCI_BF(TRDIR, 1)
-#define TRTYP_BLOCK MMCI_BF(TRTYP, 0)
-#define INIT_CMD MMCI_BF(SPCMD, 1)
-#define OPEN_DRAIN MMCI_BF(OPDCMD, 1)
-
-#define ERROR_FLAGS (MMCI_BIT(DTOE) \
- | MMCI_BIT(RDIRE) \
- | MMCI_BIT(RENDE) \
- | MMCI_BIT(RINDE) \
- | MMCI_BIT(RTOE))
-
-static int
-mmc_cmd(unsigned long cmd, unsigned long arg,
- void *resp, unsigned long flags)
+/* Return the CMDR with flags for a given command and data packet */
+static u32 mci_encode_cmd(
+ struct mmc_cmd *cmd, struct mmc_data *data, u32* error_flags)
{
- unsigned long *response = resp;
- int i, response_words = 0;
- unsigned long error_flags;
- u32 status;
+ u32 cmdr = 0;
- pr_debug("mmc: CMD%lu 0x%lx (flags 0x%lx)\n",
- cmd, arg, flags);
+ /* Default Flags for Errors */
+ *error_flags |= (MMCI_BIT(DTOE) | MMCI_BIT(RDIRE) | MMCI_BIT(RENDE) |
+ MMCI_BIT(RINDE) | MMCI_BIT(RTOE));
- error_flags = ERROR_FLAGS;
- if (!(flags & RESP_NO_CRC))
- error_flags |= MMCI_BIT(RCRCE);
+ /* Default Flags for the Command */
+ cmdr |= MMCI_BIT(MAXLAT);
- flags &= ~MMCI_BF(CMDNB, ~0UL);
-
- if (MMCI_BFEXT(RSPTYP, flags) == MMCI_RSPTYP_48_BIT_RESP)
- response_words = 1;
- else if (MMCI_BFEXT(RSPTYP, flags) == MMCI_RSPTYP_136_BIT_RESP)
- response_words = 4;
-
- mmci_writel(ARGR, arg);
- mmci_writel(CMDR, cmd | flags);
- do {
- udelay(40);
- status = mmci_readl(SR);
- } while (!(status & MMCI_BIT(CMDRDY)));
+ if (data) {
+ cmdr |= MMCI_BF(TRCMD, 1);
+ if (data->blocks > 1)
+ cmdr |= MMCI_BF(TRTYP, 1);
+ if (data->flags & MMC_DATA_READ)
+ cmdr |= MMCI_BIT(TRDIR);
+ }
- pr_debug("mmc: status 0x%08x\n", status);
+ if (cmd->resp_type & MMC_RSP_CRC)
+ *error_flags |= MMCI_BIT(RCRCE);
+ if (cmd->resp_type & MMC_RSP_136)
+ cmdr |= MMCI_BF(RSPTYP, 2);
+ else if (cmd->resp_type & MMC_RSP_BUSY)
+ cmdr |= MMCI_BF(RSPTYP, 3);
+ else if (cmd->resp_type & MMC_RSP_PRESENT)
+ cmdr |= MMCI_BF(RSPTYP, 1);
- if (status & error_flags) {
- printf("mmc: command %lu failed (status: 0x%08x)\n",
- cmd, status);
- return -EIO;
- }
+ return cmdr | MMCI_BF(CMDNB, cmd->cmdidx);
+}
- if (response_words)
- pr_debug("mmc: response:");
+/* Entered into function pointer in mci_send_cmd */
+static u32 mci_data_read(atmel_mci_t *mci, u32* data, u32 error_flags)
+{
+ u32 status;
- for (i = 0; i < response_words; i++) {
- response[i] = mmci_readl(RSPR);
- pr_debug(" %08lx", response[i]);
+ do {
+ status = readl(&mci->sr);
+ if (status & (error_flags | MMCI_BIT(OVRE)))
+ goto io_fail;
+ } while (!(status & MMCI_BIT(RXRDY)));
+
+ if (status & MMCI_BIT(RXRDY)) {
+ *data = readl(&mci->rdr);
+ status = 0;
}
- pr_debug("\n");
-
- return 0;
+io_fail:
+ return status;
}
-static int mmc_acmd(unsigned long cmd, unsigned long arg,
- void *resp, unsigned long flags)
+/* Entered into function pointer in mci_send_cmd */
+static u32 mci_data_write(atmel_mci_t *mci, u32* data, u32 error_flags)
{
- unsigned long aresp[4];
- int ret;
+ u32 status;
- /*
- * Seems like the APP_CMD part of an ACMD has 64 cycles max
- * latency even though the ACMD part doesn't. This isn't
- * entirely clear in the SD Card spec, but some cards refuse
- * to work if we attempt to use 5 cycles max latency here...
- */
- ret = mmc_cmd(MMC_CMD_APP_CMD, 0, aresp,
- R1 | NCR | (flags & OPEN_DRAIN));
- if (ret)
- return ret;
- if ((aresp[0] & (R1_ILLEGAL_COMMAND | R1_APP_CMD)) != R1_APP_CMD)
- return -ENODEV;
-
- ret = mmc_cmd(cmd, arg, resp, flags);
- return ret;
+ do {
+ status = readl(&mci->sr);
+ if (status & (error_flags | MMCI_BIT(UNRE)))
+ goto io_fail;
+ } while (!(status & MMCI_BIT(TXRDY)));
+
+ if (status & MMCI_BIT(TXRDY)) {
+ writel(*data, &mci->tdr);
+ status = 0;
+ }
+io_fail:
+ return status;
}
-static unsigned long
-mmc_bread(int dev, unsigned long start, lbaint_t blkcnt,
- void *buffer)
+/*
+ * Entered into mmc structure during driver init
+ *
+ * Sends a command out on the bus and deals with the block data.
+ * Takes the mmc pointer, a command pointer, and an optional data pointer.
+ */
+static int
+mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
{
- int ret, i = 0;
- unsigned long resp[4];
- unsigned long card_status, data;
- unsigned long wordcount;
- u32 *p = buffer;
+ atmel_mci_t *mci = (atmel_mci_t *)mmc->priv;
+ u32 cmdr;
+ u32 error_flags = 0;
u32 status;
- if (blkcnt == 0)
- return 0;
+ if (!initialized) {
+ puts ("MCI not initialized!\n");
+ return COMM_ERR;
+ }
- pr_debug("mmc_bread: dev %d, start %lx, blkcnt %lx\n",
- dev, start, blkcnt);
+ /* Figure out the transfer arguments */
+ cmdr = mci_encode_cmd(cmd, data, &error_flags);
- /* Put the device into Transfer state */
- ret = mmc_cmd(MMC_CMD_SELECT_CARD, mmc_rca << 16, resp, R1 | NCR);
- if (ret) goto out;
+ /* Send the command */
+ writel(cmd->cmdarg, &mci->argr);
+ writel(cmdr, &mci->cmdr);
- /* Set block length */
- ret = mmc_cmd(MMC_CMD_SET_BLOCKLEN, mmc_blkdev.blksz, resp, R1 | NCR);
- if (ret) goto out;
+#ifdef DEBUG
+ dump_cmd(cmdr, cmd->cmdarg, 0, "DEBUG");
+#endif
- pr_debug("MCI_DTOR = %08lx\n", mmci_readl(DTOR));
+ /* Wait for the command to complete */
+ while (!((status = readl(&mci->sr)) & MMCI_BIT(CMDRDY)));
- for (i = 0; i < blkcnt; i++, start++) {
- ret = mmc_cmd(MMC_CMD_READ_SINGLE_BLOCK,
- start * mmc_blkdev.blksz, resp,
- (R1 | NCR | TRCMD_START | TRDIR_READ
- | TRTYP_BLOCK));
- if (ret) goto out;
+ if (status & error_flags) {
+ dump_cmd(cmdr, cmd->cmdarg, status, "Command Failed");
+ return COMM_ERR;
+ }
- ret = -EIO;
- wordcount = 0;
- do {
+ /* Copy the response to the response buffer */
+ if (cmd->resp_type & MMC_RSP_136) {
+ cmd->response[0] = readl(&mci->rspr);
+ cmd->response[1] = readl(&mci->rspr1);
+ cmd->response[2] = readl(&mci->rspr2);
+ cmd->response[3] = readl(&mci->rspr3);
+ } else
+ cmd->response[0] = readl(&mci->rspr);
+
+ /* transfer all of the blocks */
+ if (data) {
+ u32 word_count, block_count;
+ u32* ioptr;
+ u32 sys_blocksize, dummy, i;
+ u32 (*mci_data_op)
+ (atmel_mci_t *mci, u32* data, u32 error_flags);
+
+ if (data->flags & MMC_DATA_READ) {
+ mci_data_op = mci_data_read;
+ sys_blocksize = mmc->read_bl_len;
+ ioptr = (u32*)data->dest;
+ } else {
+ mci_data_op = mci_data_write;
+ sys_blocksize = mmc->write_bl_len;
+ ioptr = (u32*)data->src;
+ }
+
+ status = 0;
+ for (block_count = 0;
+ block_count < data->blocks && !status;
+ block_count++) {
+ word_count = 0;
do {
- status = mmci_readl(SR);
- if (status & (ERROR_FLAGS | MMCI_BIT(OVRE)))
- goto read_error;
- } while (!(status & MMCI_BIT(RXRDY)));
-
- if (status & MMCI_BIT(RXRDY)) {
- data = mmci_readl(RDR);
- /* pr_debug("%x\n", data); */
- *p++ = data;
- wordcount++;
+ status = mci_data_op(mci, ioptr, error_flags);
+ word_count++;
+ ioptr++;
+ } while (!status && word_count < (data->blocksize/4));
+#ifdef DEBUG
+ if (data->flags & MMC_DATA_READ)
+ {
+ printf("Read Data:\n");
+ print_buffer(0, data->dest, 1,
+ word_count*4, 0);
}
- } while(wordcount < (mmc_blkdev.blksz / 4));
-
- pr_debug("mmc: read %u words, waiting for BLKE\n", wordcount);
+#endif
+#ifdef DEBUG
+ if (!status && word_count < (sys_blocksize / 4))
+ printf("filling rest of block...\n");
+#endif
+ /* fill the rest of a full block */
+ while (!status && word_count < (sys_blocksize / 4)) {
+ status = mci_data_op(mci, &dummy,
+ error_flags);
+ word_count++;
+ }
+ if (status) {
+ dump_cmd(cmdr, cmd->cmdarg, status,
+ "Data Transfer Failed");
+ return COMM_ERR;
+ }
+ }
+ /* Wait for Transfer End */
+ i = 0;
do {
- status = mmci_readl(SR);
- } while (!(status & MMCI_BIT(BLKE)));
+ status = readl(&mci->sr);
- putc('.');
+ if (status & error_flags) {
+ dump_cmd(cmdr, cmd->cmdarg, status,
+ "DTIP Wait Failed");
+ return COMM_ERR;
+ }
+ i++;
+ } while ((status & MMCI_BIT(DTIP)) && i < 10000);
+ if (status & MMCI_BIT(DTIP)) {
+ dump_cmd(cmdr, cmd->cmdarg, status,
+ "XFER DTIP never unset, ignoring");
+ }
}
-out:
- /* Put the device back into Standby state */
- mmc_cmd(MMC_CMD_SELECT_CARD, 0, resp, NCR);
- return i;
-
-read_error:
- mmc_cmd(MMC_CMD_SEND_STATUS, mmc_rca << 16, &card_status, R1 | NCR);
- printf("mmc: bread failed, status = %08x, card status = %08lx\n",
- status, card_status);
- goto out;
+ return 0;
}
-static void mmc_parse_cid(struct mmc_cid *cid, unsigned long *resp)
+/* Entered into mmc structure during driver init */
+static void mci_set_ios(struct mmc *mmc)
{
- cid->mid = resp[0] >> 24;
- cid->oid = (resp[0] >> 8) & 0xffff;
- cid->pnm[0] = resp[0];
- cid->pnm[1] = resp[1] >> 24;
- cid->pnm[2] = resp[1] >> 16;
- cid->pnm[3] = resp[1] >> 8;
- cid->pnm[4] = resp[1];
- cid->pnm[5] = resp[2] >> 24;
- cid->pnm[6] = 0;
- cid->prv = resp[2] >> 16;
- cid->psn = (resp[2] << 16) | (resp[3] >> 16);
- cid->mdt = resp[3] >> 8;
-}
+ atmel_mci_t *mci = (atmel_mci_t *)mmc->priv;
+ int busw = (mmc->bus_width == 4) ? 1 : 0;
-static void sd_parse_cid(struct mmc_cid *cid, unsigned long *resp)
-{
- cid->mid = resp[0] >> 24;
- cid->oid = (resp[0] >> 8) & 0xffff;
- cid->pnm[0] = resp[0];
- cid->pnm[1] = resp[1] >> 24;
- cid->pnm[2] = resp[1] >> 16;
- cid->pnm[3] = resp[1] >> 8;
- cid->pnm[4] = resp[1];
- cid->pnm[5] = 0;
- cid->pnm[6] = 0;
- cid->prv = resp[2] >> 24;
- cid->psn = (resp[2] << 8) | (resp[3] >> 24);
- cid->mdt = (resp[3] >> 8) & 0x0fff;
-}
+ /* Set the clock speed */
+ mci_set_mode(mmc, mmc->clock, MMC_DEFAULT_BLKLEN);
-static void mmc_dump_cid(const struct mmc_cid *cid)
-{
- printf("Manufacturer ID: %02X\n", cid->mid);
- printf("OEM/Application ID: %04X\n", cid->oid);
- printf("Product name: %s\n", cid->pnm);
- printf("Product Revision: %u.%u\n",
- cid->prv >> 4, cid->prv & 0x0f);
- printf("Product Serial Number: %lu\n", cid->psn);
- printf("Manufacturing Date: %02u/%02u\n",
- cid->mdt >> 4, cid->mdt & 0x0f);
+ /*
+ * set the bus width and select slot for this interface
+ * there is no capability for multiple slots on the same interface yet
+ * Bitfield SCDBUS needs to be expanded to 2 bits for 8-bit buses
+ */
+ writel(MMCI_BF(SCDBUS, busw) | MMCI_BF(SCDSEL, MCI_BUS), &mci->sdcr);
}
-static void mmc_dump_csd(const struct mmc_csd *csd)
+/* Entered into mmc structure during driver init */
+static int mci_init(struct mmc *mmc)
{
- unsigned long *csd_raw = (unsigned long *)csd;
- printf("CSD data: %08lx %08lx %08lx %08lx\n",
- csd_raw[0], csd_raw[1], csd_raw[2], csd_raw[3]);
- printf("CSD structure version: 1.%u\n", csd->csd_structure);
- printf("MMC System Spec version: %u\n", csd->spec_vers);
- printf("Card command classes: %03x\n", csd->ccc);
- printf("Read block length: %u\n", 1 << csd->read_bl_len);
- if (csd->read_bl_partial)
- puts("Supports partial reads\n");
- else
- puts("Does not support partial reads\n");
- printf("Write block length: %u\n", 1 << csd->write_bl_len);
- if (csd->write_bl_partial)
- puts("Supports partial writes\n");
- else
- puts("Does not support partial writes\n");
- if (csd->wp_grp_enable)
- printf("Supports group WP: %u\n", csd->wp_grp_size + 1);
- else
- puts("Does not support group WP\n");
- printf("Card capacity: %u bytes\n",
- (csd->c_size + 1) * (1 << (csd->c_size_mult + 2)) *
- (1 << csd->read_bl_len));
- printf("File format: %u/%u\n",
- csd->file_format_grp, csd->file_format);
- puts("Write protection: ");
- if (csd->perm_write_protect)
- puts(" permanent");
- if (csd->tmp_write_protect)
- puts(" temporary");
- putc('\n');
-}
+ atmel_mci_t *mci = (atmel_mci_t *)mmc->priv;
-static int mmc_idle_cards(void)
-{
- int ret;
+ /* Initialize controller */
+ writel(MMCI_BIT(SWRST), &mci->cr); /* soft reset */
+ writel(MMCI_BIT(PWSDIS), &mci->cr); /* disable power save */
+ writel(MMCI_BIT(MCIEN), &mci->cr); /* enable mci */
+ writel(MMCI_BF(SCDSEL, MCI_BUS), &mci->sdcr); /* select port */
- /* Reset and initialize all cards */
- ret = mmc_cmd(MMC_CMD_GO_IDLE_STATE, 0, NULL, 0);
- if (ret)
- return ret;
+ /* Initial Time-outs */
+ writel(0x5f, &mci->dtor);
+ /* Disable Interrupts */
+ writel(~0UL, &mci->idr);
- /* Keep the bus idle for 74 clock cycles */
- return mmc_cmd(0, 0, NULL, INIT_CMD);
-}
+ /* Set default clocks and blocklen */
+ mci_set_mode(mmc, CONFIG_SYS_MMC_CLK_OD, MMC_DEFAULT_BLKLEN);
-static int sd_init_card(struct mmc_cid *cid, int verbose)
-{
- unsigned long resp[4];
- int i, ret = 0;
-
- mmc_idle_cards();
- for (i = 0; i < 1000; i++) {
- ret = mmc_acmd(SD_CMD_APP_SEND_OP_COND, CONFIG_SYS_MMC_OP_COND,
- resp, R3 | NID);
- if (ret || (resp[0] & 0x80000000))
- break;
- ret = -ETIMEDOUT;
- }
-
- if (ret)
- return ret;
-
- ret = mmc_cmd(MMC_CMD_ALL_SEND_CID, 0, resp, R2 | NID);
- if (ret)
- return ret;
- sd_parse_cid(cid, resp);
- if (verbose)
- mmc_dump_cid(cid);
-
- /* Get RCA of the card that responded */
- ret = mmc_cmd(SD_CMD_SEND_RELATIVE_ADDR, 0, resp, R6 | NCR);
- if (ret)
- return ret;
-
- mmc_rca = resp[0] >> 16;
- if (verbose)
- printf("SD Card detected (RCA %u)\n", mmc_rca);
- mmc_card_is_sd = 1;
return 0;
}
-static int mmc_init_card(struct mmc_cid *cid, int verbose)
-{
- unsigned long resp[4];
- int i, ret = 0;
-
- mmc_idle_cards();
- for (i = 0; i < 1000; i++) {
- ret = mmc_cmd(MMC_CMD_SEND_OP_COND, CONFIG_SYS_MMC_OP_COND, resp,
- R3 | NID | OPEN_DRAIN);
- if (ret || (resp[0] & 0x80000000))
- break;
- ret = -ETIMEDOUT;
- }
-
- if (ret)
- return ret;
-
- /* Get CID of all cards. FIXME: Support more than one card */
- ret = mmc_cmd(MMC_CMD_ALL_SEND_CID, 0, resp, R2 | NID | OPEN_DRAIN);
- if (ret)
- return ret;
- mmc_parse_cid(cid, resp);
- if (verbose)
- mmc_dump_cid(cid);
-
- /* Set Relative Address of the card that responded */
- ret = mmc_cmd(MMC_CMD_SET_RELATIVE_ADDR, mmc_rca << 16, resp,
- R1 | NCR | OPEN_DRAIN);
- return ret;
-}
-
-static void mci_set_data_timeout(struct mmc_csd *csd)
-{
- static const unsigned int dtomul_to_shift[] = {
- 0, 4, 7, 8, 10, 12, 16, 20,
- };
- static const unsigned int taac_exp[] = {
- 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000,
- };
- static const unsigned int taac_mant[] = {
- 0, 10, 12, 13, 15, 60, 25, 30,
- 35, 40, 45, 50, 55, 60, 70, 80,
- };
- unsigned int timeout_ns, timeout_clks;
- unsigned int e, m;
- unsigned int dtocyc, dtomul;
- unsigned int shift;
- u32 dtor;
-
- e = csd->taac & 0x07;
- m = (csd->taac >> 3) & 0x0f;
-
- timeout_ns = (taac_exp[e] * taac_mant[m] + 9) / 10;
- timeout_clks = csd->nsac * 100;
-
- timeout_clks += (((timeout_ns + 9) / 10)
- * ((CONFIG_SYS_MMC_CLK_PP + 99999) / 100000) + 9999) / 10000;
- if (!mmc_card_is_sd)
- timeout_clks *= 10;
- else
- timeout_clks *= 100;
-
- dtocyc = timeout_clks;
- dtomul = 0;
- shift = 0;
- while (dtocyc > 15 && dtomul < 8) {
- dtomul++;
- shift = dtomul_to_shift[dtomul];
- dtocyc = (timeout_clks + (1 << shift) - 1) >> shift;
- }
-
- if (dtomul >= 8) {
- dtomul = 7;
- dtocyc = 15;
- puts("Warning: Using maximum data timeout\n");
- }
-
- dtor = (MMCI_BF(DTOMUL, dtomul)
- | MMCI_BF(DTOCYC, dtocyc));
- mmci_writel(DTOR, dtor);
-
- printf("mmc: Using %u cycles data timeout (DTOR=0x%x)\n",
- dtocyc << shift, dtor);
-}
-
-int mmc_legacy_init(int verbose)
+/*
+ * This is the only exported function
+ *
+ * Call it with the MCI register base address
+ */
+int atmel_mci_init(void *regs)
{
- struct mmc_cid cid;
- struct mmc_csd csd;
- unsigned int max_blksz;
- int ret;
-
- /* Initialize controller */
- mmci_writel(CR, MMCI_BIT(SWRST));
- mmci_writel(CR, MMCI_BIT(MCIEN));
- mmci_writel(DTOR, 0x5f);
- mmci_writel(IDR, ~0UL);
- mci_set_mode(CONFIG_SYS_MMC_CLK_OD, MMC_DEFAULT_BLKLEN);
-
- mmc_card_is_sd = 0;
-
- ret = sd_init_card(&cid, verbose);
- if (ret) {
- mmc_rca = MMC_DEFAULT_RCA;
- ret = mmc_init_card(&cid, verbose);
- }
- if (ret)
- return ret;
-
- /* Get CSD from the card */
- ret = mmc_cmd(MMC_CMD_SEND_CSD, mmc_rca << 16, &csd, R2 | NCR);
- if (ret)
- return ret;
- if (verbose)
- mmc_dump_csd(&csd);
-
- mci_set_data_timeout(&csd);
-
- /* Initialize the blockdev structure */
- mmc_blkdev.if_type = IF_TYPE_MMC;
- mmc_blkdev.part_type = PART_TYPE_DOS;
- mmc_blkdev.block_read = mmc_bread;
- sprintf((char *)mmc_blkdev.vendor,
- "Man %02x%04x Snr %08lx",
- cid.mid, cid.oid, cid.psn);
- strncpy((char *)mmc_blkdev.product, cid.pnm,
- sizeof(mmc_blkdev.product));
- sprintf((char *)mmc_blkdev.revision, "%x %x",
- cid.prv >> 4, cid.prv & 0x0f);
-
+ struct mmc *mmc = malloc(sizeof(struct mmc));
+
+ if (!mmc)
+ return -1;
+ strcpy(mmc->name, "mci");
+ mmc->priv = regs;
+ mmc->send_cmd = mci_send_cmd;
+ mmc->set_ios = mci_set_ios;
+ mmc->init = mci_init;
+
+ /* need to be able to pass these in on a board by board basis */
+ mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
+ mmc->host_caps = MMC_MODE_4BIT;
/*
- * If we can't use 512 byte blocks, refuse to deal with the
- * card. Tons of code elsewhere seems to depend on this.
+ * min and max frequencies determined by
+ * max and min of clock divider
*/
- max_blksz = 1 << csd.read_bl_len;
- if (max_blksz < 512 || (max_blksz > 512 && !csd.read_bl_partial)) {
- printf("Card does not support 512 byte reads, aborting.\n");
- return -ENODEV;
- }
- mmc_blkdev.blksz = 512;
- mmc_blkdev.lba = (csd.c_size + 1) * (1 << (csd.c_size_mult + 2));
+ mmc->f_min = get_mci_clk_rate() / (2*256);
+ mmc->f_max = get_mci_clk_rate() / (2*1);
- mci_set_mode(CONFIG_SYS_MMC_CLK_PP, mmc_blkdev.blksz);
+ mmc->b_max = 0;
-#if 0
- if (fat_register_device(&mmc_blkdev, 1))
- printf("Could not register MMC fat device\n");
-#else
- init_part(&mmc_blkdev);
-#endif
+ mmc_register(mmc);
return 0;
}
diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c
deleted file mode 100644
index f346b24..0000000
--- a/drivers/mmc/gen_atmel_mci.c
+++ /dev/null
@@ -1,356 +0,0 @@
-/*
- * Copyright (C) 2010
- * Rob Emanuele <rob@emanuele.us>
- * Reinhard Meyer, EMK Elektronik <reinhard.meyer@emk-elektronik.de>
- *
- * Original Driver:
- * Copyright (C) 2004-2006 Atmel Corporation
- *
- * 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 <mmc.h>
-#include <part.h>
-#include <malloc.h>
-#include <asm/io.h>
-#include <asm/errno.h>
-#include <asm/byteorder.h>
-#include <asm/arch/clk.h>
-#include <asm/arch/hardware.h>
-#include "atmel_mci.h"
-
-#ifndef CONFIG_SYS_MMC_CLK_OD
-# define CONFIG_SYS_MMC_CLK_OD 150000
-#endif
-
-#define MMC_DEFAULT_BLKLEN 512
-
-#if defined(CONFIG_ATMEL_MCI_PORTB)
-# define MCI_BUS 1
-#else
-# define MCI_BUS 0
-#endif
-
-static int initialized = 0;
-
-/*
- * Print command and status:
- *
- * - always when DEBUG is defined
- * - on command errors
- */
-static void dump_cmd(u32 cmdr, u32 arg, u32 status, const char* msg)
-{
- printf("gen_atmel_mci: CMDR %08x (%2u) ARGR %08x (SR: %08x) %s\n",
- cmdr, cmdr&0x3F, arg, status, msg);
-}
-
-/* Setup for MCI Clock and Block Size */
-static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen)
-{
- atmel_mci_t *mci = (atmel_mci_t *)mmc->priv;
- u32 bus_hz = get_mci_clk_rate();
- u32 clkdiv = 255;
-
- debug("mci: bus_hz is %u, setting clock %u Hz, block size %u\n",
- bus_hz, hz, blklen);
- if (hz > 0) {
- /* find lowest clkdiv yielding a rate <= than requested */
- for (clkdiv=0; clkdiv<255; clkdiv++) {
- if ((bus_hz / (clkdiv+1) / 2) <= hz)
- break;
- }
- }
- printf("mci: setting clock %u Hz, block size %u\n",
- (bus_hz / (clkdiv+1)) / 2, blklen);
-
- blklen &= 0xfffc;
- /* On some platforms RDPROOF and WRPROOF are ignored */
- writel((MMCI_BF(CLKDIV, clkdiv)
- | MMCI_BF(BLKLEN, blklen)
- | MMCI_BIT(RDPROOF)
- | MMCI_BIT(WRPROOF)), &mci->mr);
- initialized = 1;
-}
-
-/* Return the CMDR with flags for a given command and data packet */
-static u32 mci_encode_cmd(
- struct mmc_cmd *cmd, struct mmc_data *data, u32* error_flags)
-{
- u32 cmdr = 0;
-
- /* Default Flags for Errors */
- *error_flags |= (MMCI_BIT(DTOE) | MMCI_BIT(RDIRE) | MMCI_BIT(RENDE) |
- MMCI_BIT(RINDE) | MMCI_BIT(RTOE));
-
- /* Default Flags for the Command */
- cmdr |= MMCI_BIT(MAXLAT);
-
- if (data) {
- cmdr |= MMCI_BF(TRCMD, 1);
- if (data->blocks > 1)
- cmdr |= MMCI_BF(TRTYP, 1);
- if (data->flags & MMC_DATA_READ)
- cmdr |= MMCI_BIT(TRDIR);
- }
-
- if (cmd->resp_type & MMC_RSP_CRC)
- *error_flags |= MMCI_BIT(RCRCE);
- if (cmd->resp_type & MMC_RSP_136)
- cmdr |= MMCI_BF(RSPTYP, 2);
- else if (cmd->resp_type & MMC_RSP_BUSY)
- cmdr |= MMCI_BF(RSPTYP, 3);
- else if (cmd->resp_type & MMC_RSP_PRESENT)
- cmdr |= MMCI_BF(RSPTYP, 1);
-
- return cmdr | MMCI_BF(CMDNB, cmd->cmdidx);
-}
-
-/* Entered into function pointer in mci_send_cmd */
-static u32 mci_data_read(atmel_mci_t *mci, u32* data, u32 error_flags)
-{
- u32 status;
-
- do {
- status = readl(&mci->sr);
- if (status & (error_flags | MMCI_BIT(OVRE)))
- goto io_fail;
- } while (!(status & MMCI_BIT(RXRDY)));
-
- if (status & MMCI_BIT(RXRDY)) {
- *data = readl(&mci->rdr);
- status = 0;
- }
-io_fail:
- return status;
-}
-
-/* Entered into function pointer in mci_send_cmd */
-static u32 mci_data_write(atmel_mci_t *mci, u32* data, u32 error_flags)
-{
- u32 status;
-
- do {
- status = readl(&mci->sr);
- if (status & (error_flags | MMCI_BIT(UNRE)))
- goto io_fail;
- } while (!(status & MMCI_BIT(TXRDY)));
-
- if (status & MMCI_BIT(TXRDY)) {
- writel(*data, &mci->tdr);
- status = 0;
- }
-io_fail:
- return status;
-}
-
-/*
- * Entered into mmc structure during driver init
- *
- * Sends a command out on the bus and deals with the block data.
- * Takes the mmc pointer, a command pointer, and an optional data pointer.
- */
-static int
-mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
-{
- atmel_mci_t *mci = (atmel_mci_t *)mmc->priv;
- u32 cmdr;
- u32 error_flags = 0;
- u32 status;
-
- if (!initialized) {
- puts ("MCI not initialized!\n");
- return COMM_ERR;
- }
-
- /* Figure out the transfer arguments */
- cmdr = mci_encode_cmd(cmd, data, &error_flags);
-
- /* Send the command */
- writel(cmd->cmdarg, &mci->argr);
- writel(cmdr, &mci->cmdr);
-
-#ifdef DEBUG
- dump_cmd(cmdr, cmd->cmdarg, 0, "DEBUG");
-#endif
-
- /* Wait for the command to complete */
- while (!((status = readl(&mci->sr)) & MMCI_BIT(CMDRDY)));
-
- if (status & error_flags) {
- dump_cmd(cmdr, cmd->cmdarg, status, "Command Failed");
- return COMM_ERR;
- }
-
- /* Copy the response to the response buffer */
- if (cmd->resp_type & MMC_RSP_136) {
- cmd->response[0] = readl(&mci->rspr);
- cmd->response[1] = readl(&mci->rspr1);
- cmd->response[2] = readl(&mci->rspr2);
- cmd->response[3] = readl(&mci->rspr3);
- } else
- cmd->response[0] = readl(&mci->rspr);
-
- /* transfer all of the blocks */
- if (data) {
- u32 word_count, block_count;
- u32* ioptr;
- u32 sys_blocksize, dummy, i;
- u32 (*mci_data_op)
- (atmel_mci_t *mci, u32* data, u32 error_flags);
-
- if (data->flags & MMC_DATA_READ) {
- mci_data_op = mci_data_read;
- sys_blocksize = mmc->read_bl_len;
- ioptr = (u32*)data->dest;
- } else {
- mci_data_op = mci_data_write;
- sys_blocksize = mmc->write_bl_len;
- ioptr = (u32*)data->src;
- }
-
- status = 0;
- for (block_count = 0;
- block_count < data->blocks && !status;
- block_count++) {
- word_count = 0;
- do {
- status = mci_data_op(mci, ioptr, error_flags);
- word_count++;
- ioptr++;
- } while (!status && word_count < (data->blocksize/4));
-#ifdef DEBUG
- if (data->flags & MMC_DATA_READ)
- {
- printf("Read Data:\n");
- print_buffer(0, data->dest, 1,
- word_count*4, 0);
- }
-#endif
-#ifdef DEBUG
- if (!status && word_count < (sys_blocksize / 4))
- printf("filling rest of block...\n");
-#endif
- /* fill the rest of a full block */
- while (!status && word_count < (sys_blocksize / 4)) {
- status = mci_data_op(mci, &dummy,
- error_flags);
- word_count++;
- }
- if (status) {
- dump_cmd(cmdr, cmd->cmdarg, status,
- "Data Transfer Failed");
- return COMM_ERR;
- }
- }
-
- /* Wait for Transfer End */
- i = 0;
- do {
- status = readl(&mci->sr);
-
- if (status & error_flags) {
- dump_cmd(cmdr, cmd->cmdarg, status,
- "DTIP Wait Failed");
- return COMM_ERR;
- }
- i++;
- } while ((status & MMCI_BIT(DTIP)) && i < 10000);
- if (status & MMCI_BIT(DTIP)) {
- dump_cmd(cmdr, cmd->cmdarg, status,
- "XFER DTIP never unset, ignoring");
- }
- }
-
- return 0;
-}
-
-/* Entered into mmc structure during driver init */
-static void mci_set_ios(struct mmc *mmc)
-{
- atmel_mci_t *mci = (atmel_mci_t *)mmc->priv;
- int busw = (mmc->bus_width == 4) ? 1 : 0;
-
- /* Set the clock speed */
- mci_set_mode(mmc, mmc->clock, MMC_DEFAULT_BLKLEN);
-
- /*
- * set the bus width and select slot for this interface
- * there is no capability for multiple slots on the same interface yet
- * Bitfield SCDBUS needs to be expanded to 2 bits for 8-bit buses
- */
- writel(MMCI_BF(SCDBUS, busw) | MMCI_BF(SCDSEL, MCI_BUS), &mci->sdcr);
-}
-
-/* Entered into mmc structure during driver init */
-static int mci_init(struct mmc *mmc)
-{
- atmel_mci_t *mci = (atmel_mci_t *)mmc->priv;
-
- /* Initialize controller */
- writel(MMCI_BIT(SWRST), &mci->cr); /* soft reset */
- writel(MMCI_BIT(PWSDIS), &mci->cr); /* disable power save */
- writel(MMCI_BIT(MCIEN), &mci->cr); /* enable mci */
- writel(MMCI_BF(SCDSEL, MCI_BUS), &mci->sdcr); /* select port */
-
- /* Initial Time-outs */
- writel(0x5f, &mci->dtor);
- /* Disable Interrupts */
- writel(~0UL, &mci->idr);
-
- /* Set default clocks and blocklen */
- mci_set_mode(mmc, CONFIG_SYS_MMC_CLK_OD, MMC_DEFAULT_BLKLEN);
-
- return 0;
-}
-
-/*
- * This is the only exported function
- *
- * Call it with the MCI register base address
- */
-int atmel_mci_init(void *regs)
-{
- struct mmc *mmc = malloc(sizeof(struct mmc));
-
- if (!mmc)
- return -1;
- strcpy(mmc->name, "mci");
- mmc->priv = regs;
- mmc->send_cmd = mci_send_cmd;
- mmc->set_ios = mci_set_ios;
- mmc->init = mci_init;
-
- /* need to be able to pass these in on a board by board basis */
- mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
- mmc->host_caps = MMC_MODE_4BIT;
- /*
- * min and max frequencies determined by
- * max and min of clock divider
- */
- mmc->f_min = get_mci_clk_rate() / (2*256);
- mmc->f_max = get_mci_clk_rate() / (2*1);
-
- mmc->b_max = 0;
-
- mmc_register(mmc);
-
- return 0;
-}
diff --git a/include/configs/atngw100.h b/include/configs/atngw100.h
index 5e3155d..7775697 100644
--- a/include/configs/atngw100.h
+++ b/include/configs/atngw100.h
@@ -128,7 +128,7 @@
#define CONFIG_SYS_NR_PIOS 5
#define CONFIG_SYS_HSDRAMC
#define CONFIG_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_ATMEL_MCI
#define CONFIG_GENERIC_MMC
#define CONFIG_SYS_MMC_MAX_BLK_COUNT 1
#define CONFIG_ATMEL_SPI
diff --git a/include/configs/atstk1002.h b/include/configs/atstk1002.h
index bb426f1..793b43d 100644
--- a/include/configs/atstk1002.h
+++ b/include/configs/atstk1002.h
@@ -151,7 +151,7 @@
#define CONFIG_SYS_NR_PIOS 5
#define CONFIG_SYS_HSDRAMC
#define CONFIG_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_ATMEL_MCI
#define CONFIG_GENERIC_MMC
#define CONFIG_SYS_MMC_MAX_BLK_COUNT 1
diff --git a/include/configs/atstk1003.h b/include/configs/atstk1003.h
index a426f15..8b485a1 100644
--- a/include/configs/atstk1003.h
+++ b/include/configs/atstk1003.h
@@ -135,7 +135,7 @@
#define CONFIG_PORTMUX_PIO
#define CONFIG_SYS_HSDRAMC
#define CONFIG_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_ATMEL_MCI
#define CONFIG_GENERIC_MMC
#define CONFIG_SYS_DCACHE_LINESZ 32
diff --git a/include/configs/atstk1004.h b/include/configs/atstk1004.h
index 1b4a1af..5eb5ba0 100644
--- a/include/configs/atstk1004.h
+++ b/include/configs/atstk1004.h
@@ -135,7 +135,7 @@
#define CONFIG_PORTMUX_PIO
#define CONFIG_SYS_HSDRAMC
#define CONFIG_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_ATMEL_MCI
#define CONFIG_GENERIC_MMC
#define CONFIG_SYS_MMC_MAX_BLK_COUNT 1
diff --git a/include/configs/atstk1006.h b/include/configs/atstk1006.h
index 29fdd12..958fdf5 100644
--- a/include/configs/atstk1006.h
+++ b/include/configs/atstk1006.h
@@ -151,7 +151,7 @@
#define CONFIG_SYS_NR_PIOS 5
#define CONFIG_SYS_HSDRAMC
#define CONFIG_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_ATMEL_MCI
#define CONFIG_GENERIC_MMC
#define CONFIG_SYS_MMC_MAX_BLK_COUNT 1
diff --git a/include/configs/favr-32-ezkit.h b/include/configs/favr-32-ezkit.h
index 1c8da9f..b301f14 100644
--- a/include/configs/favr-32-ezkit.h
+++ b/include/configs/favr-32-ezkit.h
@@ -150,7 +150,7 @@
#define CONFIG_SYS_NR_PIOS 5
#define CONFIG_SYS_HSDRAMC
#define CONFIG_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_ATMEL_MCI
#define CONFIG_GENERIC_MMC
#define CONFIG_SYS_DCACHE_LINESZ 32
diff --git a/include/configs/hammerhead.h b/include/configs/hammerhead.h
index 5570bdb..56b5ffe 100644
--- a/include/configs/hammerhead.h
+++ b/include/configs/hammerhead.h
@@ -124,7 +124,7 @@
#define CONFIG_SYS_NR_PIOS 5
#define CONFIG_SYS_HSDRAMC
#define CONFIG_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_ATMEL_MCI
#define CONFIG_GENERIC_MMC
#define CONFIG_SYS_DCACHE_LINESZ 32
diff --git a/include/configs/mimc200.h b/include/configs/mimc200.h
index 8031a05..d60eff4 100644
--- a/include/configs/mimc200.h
+++ b/include/configs/mimc200.h
@@ -129,7 +129,7 @@
#define CONFIG_SYS_NR_PIOS 5
#define CONFIG_SYS_HSDRAMC
#define CONFIG_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_ATMEL_MCI
#define CONFIG_GENERIC_MMC
#if defined(CONFIG_LCD)
diff --git a/include/configs/top9000.h b/include/configs/top9000.h
index 2c66f33..d2b8b9a 100644
--- a/include/configs/top9000.h
+++ b/include/configs/top9000.h
@@ -95,7 +95,7 @@
/* SD/MMC card */
#define CONFIG_MMC
#define CONFIG_GENERIC_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_ATMEL_MCI
#define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9
#define CONFIG_CMD_MMC
--
1.7.6.3
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