+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2010
*
* Original Driver:
* Copyright (C) 2004-2006 Atmel Corporation
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
-#include <common.h>
+#include <config.h>
#include <clk.h>
+#include <display_options.h>
#include <dm.h>
+#include <log.h>
#include <mmc.h>
#include <part.h>
#include <malloc.h>
#include <asm/io.h>
+#include <linux/delay.h>
#include <linux/errno.h>
#include <asm/byteorder.h>
#include <asm/arch/clk.h>
#include <asm/arch/hardware.h>
#include "atmel_mci.h"
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifndef CONFIG_SYS_MMC_CLK_OD
-# define CONFIG_SYS_MMC_CLK_OD 150000
+#ifndef CFG_SYS_MMC_CLK_OD
+# define CFG_SYS_MMC_CLK_OD 150000
#endif
#define MMC_DEFAULT_BLKLEN 512
# define MCI_BUS 0
#endif
+#ifdef CONFIG_DM_MMC
+struct atmel_mci_plat {
+ struct mmc mmc;
+ struct mmc_config cfg;
+ struct atmel_mci *mci;
+};
+#endif
+
struct atmel_mci_priv {
+#ifndef CONFIG_DM_MMC
struct mmc_config cfg;
struct atmel_mci *mci;
+#endif
unsigned int initialized:1;
unsigned int curr_clk;
#ifdef CONFIG_DM_MMC
- struct mmc mmc;
ulong bus_clk_rate;
#endif
};
cmdr, cmdr & 0x3F, arg, status, msg);
}
+static inline void mci_set_blklen(atmel_mci_t *mci, int blklen)
+{
+ unsigned int version = atmel_mci_get_version(mci);
+
+ blklen &= 0xfffc;
+
+ /* MCI IP version >= 0x200 has blkr */
+ if (version >= 0x200)
+ writel(MMCI_BFINS(BLKLEN, blklen, readl(&mci->blkr)),
+ &mci->blkr);
+ else
+ writel(MMCI_BFINS(BLKLEN, blklen, readl(&mci->mr)), &mci->mr);
+}
+
/* Setup for MCI Clock and Block Size */
#ifdef CONFIG_DM_MMC
-static void mci_set_mode(struct atmel_mci_priv *priv, u32 hz, u32 blklen)
+static void mci_set_mode(struct udevice *dev, u32 hz, u32 blklen)
{
- struct mmc *mmc = &priv->mmc;
+ struct atmel_mci_plat *plat = dev_get_plat(dev);
+ struct atmel_mci_priv *priv = dev_get_priv(dev);
+ struct mmc *mmc = &plat->mmc;
u32 bus_hz = priv->bus_clk_rate;
+ atmel_mci_t *mci = plat->mci;
#else
static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen)
{
struct atmel_mci_priv *priv = mmc->priv;
u32 bus_hz = get_mci_clk_rate();
+ atmel_mci_t *mci = priv->mci;
#endif
- atmel_mci_t *mci = priv->mci;
u32 clkdiv = 255;
unsigned int version = atmel_mci_get_version(mci);
u32 clkodd = 0;
priv->curr_clk = bus_hz / (clkdiv * 2 + clkodd + 2);
else
priv->curr_clk = (bus_hz / (clkdiv + 1)) / 2;
- blklen &= 0xfffc;
mr = MMCI_BF(CLKDIV, clkdiv);
*/
if (version >= 0x500)
mr |= MMCI_BF(CLKODD, clkodd);
- else
- mr |= MMCI_BF(BLKLEN, blklen);
writel(mr, &mci->mr);
- /* MCI IP version >= 0x200 has blkr */
- if (version >= 0x200)
- writel(MMCI_BF(BLKLEN, blklen), &mci->blkr);
+ mci_set_blklen(mci, blklen);
if (mmc->card_caps & mmc->cfg->host_caps & MMC_MODE_HS)
writel(MMCI_BIT(HSMODE), &mci->cfg);
static int atmel_mci_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
struct mmc_data *data)
{
+ struct atmel_mci_plat *plat = dev_get_plat(dev);
struct atmel_mci_priv *priv = dev_get_priv(dev);
- struct mmc *mmc = mmc_get_mmc_dev(dev);
+ atmel_mci_t *mci = plat->mci;
#else
static int
mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
{
struct atmel_mci_priv *priv = mmc->priv;
-#endif
atmel_mci_t *mci = priv->mci;
+#endif
u32 cmdr;
u32 error_flags = 0;
u32 status;
/* Figure out the transfer arguments */
cmdr = mci_encode_cmd(cmd, data, &error_flags);
+ mci_set_blklen(mci, data->blocksize);
+
/* For multi blocks read/write, set the block register */
if ((cmd->cmdidx == MMC_CMD_READ_MULTIPLE_BLOCK)
|| (cmd->cmdidx == MMC_CMD_WRITE_MULTIPLE_BLOCK))
- writel(data->blocks | MMCI_BF(BLKLEN, mmc->read_bl_len),
- &mci->blkr);
+ writel(data->blocks | MMCI_BF(BLKLEN, data->blocksize),
+ &mci->blkr);
/* Send the command */
writel(cmd->cmdarg, &mci->argr);
if (data) {
u32 word_count, block_count;
u32* ioptr;
- u32 sys_blocksize, dummy, i;
+ u32 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;
}
1, cnt, 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");
#ifdef CONFIG_DM_MMC
static int atmel_mci_set_ios(struct udevice *dev)
{
- struct atmel_mci_priv *priv = dev_get_priv(dev);
+ struct atmel_mci_plat *plat = dev_get_plat(dev);
struct mmc *mmc = mmc_get_mmc_dev(dev);
+ atmel_mci_t *mci = plat->mci;
#else
/* Entered into mmc structure during driver init */
static int mci_set_ios(struct mmc *mmc)
{
struct atmel_mci_priv *priv = mmc->priv;
-#endif
atmel_mci_t *mci = priv->mci;
+#endif
int bus_width = mmc->bus_width;
unsigned int version = atmel_mci_get_version(mci);
int busw;
/* Set the clock speed */
#ifdef CONFIG_DM_MMC
- mci_set_mode(priv, mmc->clock, MMC_DEFAULT_BLKLEN);
+ mci_set_mode(dev, mmc->clock, MMC_DEFAULT_BLKLEN);
#else
mci_set_mode(mmc, mmc->clock, MMC_DEFAULT_BLKLEN);
#endif
}
#ifdef CONFIG_DM_MMC
-static int atmel_mci_hw_init(struct atmel_mci_priv *priv)
+static int atmel_mci_hw_init(struct udevice *dev)
{
+ struct atmel_mci_plat *plat = dev_get_plat(dev);
+ atmel_mci_t *mci = plat->mci;
#else
/* Entered into mmc structure during driver init */
static int mci_init(struct mmc *mmc)
{
struct atmel_mci_priv *priv = mmc->priv;
-#endif
atmel_mci_t *mci = priv->mci;
+#endif
/* Initialize controller */
writel(MMCI_BIT(SWRST), &mci->cr); /* soft reset */
/* Set default clocks and blocklen */
#ifdef CONFIG_DM_MMC
- mci_set_mode(priv, CONFIG_SYS_MMC_CLK_OD, MMC_DEFAULT_BLKLEN);
+ mci_set_mode(dev, CFG_SYS_MMC_CLK_OD, MMC_DEFAULT_BLKLEN);
#else
- mci_set_mode(mmc, CONFIG_SYS_MMC_CLK_OD, MMC_DEFAULT_BLKLEN);
+ mci_set_mode(mmc, CFG_SYS_MMC_CLK_OD, MMC_DEFAULT_BLKLEN);
#endif
return 0;
.set_ios = atmel_mci_set_ios,
};
-static void atmel_mci_setup_cfg(struct atmel_mci_priv *priv)
+static void atmel_mci_setup_cfg(struct udevice *dev)
{
+ struct atmel_mci_plat *plat = dev_get_plat(dev);
+ struct atmel_mci_priv *priv = dev_get_priv(dev);
struct mmc_config *cfg;
u32 version;
- cfg = &priv->cfg;
+ cfg = &plat->cfg;
cfg->name = "Atmel mci";
cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
* If the version is above 3.0, the capabilities of the 8-bit
* bus width and high speed are supported.
*/
- version = atmel_mci_get_version(priv->mci);
+ version = atmel_mci_get_version(plat->mci);
if ((version & 0xf00) >= 0x300) {
cfg->host_caps = MMC_MODE_8BIT |
MMC_MODE_HS | MMC_MODE_HS_52MHz;
int ret = 0;
ret = clk_get_by_index(dev, 0, &clk);
- if (ret) {
- ret = -EINVAL;
- goto failed;
- }
+ if (ret)
+ return -EINVAL;
ret = clk_enable(&clk);
if (ret)
- goto failed;
+ return ret;
clk_rate = clk_get_rate(&clk);
- if (!clk_rate) {
- ret = -EINVAL;
- goto failed;
- }
+ if (!clk_rate)
+ return -EINVAL;
priv->bus_clk_rate = clk_rate;
-failed:
- clk_free(&clk);
-
- return ret;
+ return 0;
}
static int atmel_mci_probe(struct udevice *dev)
{
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
- struct atmel_mci_priv *priv = dev_get_priv(dev);
+ struct atmel_mci_plat *plat = dev_get_plat(dev);
struct mmc *mmc;
int ret;
if (ret)
return ret;
- priv->mci = (struct atmel_mci *)devfdt_get_addr_ptr(dev);
+ plat->mci = dev_read_addr_ptr(dev);
- atmel_mci_setup_cfg(priv);
+ atmel_mci_setup_cfg(dev);
- mmc = &priv->mmc;
- mmc->cfg = &priv->cfg;
+ mmc = &plat->mmc;
+ mmc->cfg = &plat->cfg;
mmc->dev = dev;
upriv->mmc = mmc;
- atmel_mci_hw_init(priv);
+ atmel_mci_hw_init(dev);
return 0;
}
static int atmel_mci_bind(struct udevice *dev)
{
- struct atmel_mci_priv *priv = dev_get_priv(dev);
+ struct atmel_mci_plat *plat = dev_get_plat(dev);
- return mmc_bind(dev, &priv->mmc, &priv->cfg);
+ return mmc_bind(dev, &plat->mmc, &plat->cfg);
}
static const struct udevice_id atmel_mci_ids[] = {
.of_match = atmel_mci_ids,
.bind = atmel_mci_bind,
.probe = atmel_mci_probe,
- .priv_auto_alloc_size = sizeof(struct atmel_mci_priv),
+ .plat_auto = sizeof(struct atmel_mci_plat),
+ .priv_auto = sizeof(struct atmel_mci_priv),
.ops = &atmel_mci_mmc_ops,
};
#endif
projects / J-u-boot.git / blobdiff