int board_mmc_getcd(struct mmc *mmc)__attribute__((weak,
alias("__board_mmc_getcd")));
+#ifdef CONFIG_MMC_BOUNCE_BUFFER
+static int mmc_bounce_need_bounce(struct mmc_data *orig)
+{
+ ulong addr, len;
+
+ if (orig->flags & MMC_DATA_READ)
+ addr = (ulong)orig->dest;
+ else
+ addr = (ulong)orig->src;
+
+ if (addr % ARCH_DMA_MINALIGN) {
+ debug("MMC: Unaligned data destination address %08lx!\n", addr);
+ return 1;
+ }
+
+ len = (ulong)(orig->blocksize * orig->blocks);
+ if (len % ARCH_DMA_MINALIGN) {
+ debug("MMC: Unaligned data destination length %08lx!\n", len);
+ return 1;
+ }
+
+ return 0;
+}
+
+static int mmc_bounce_buffer_start(struct mmc_data *backup,
+ struct mmc_data *orig)
+{
+ ulong origlen, len;
+ void *buffer;
+
+ if (!orig)
+ return 0;
+
+ if (!mmc_bounce_need_bounce(orig))
+ return 0;
+
+ memcpy(backup, orig, sizeof(struct mmc_data));
+
+ origlen = orig->blocksize * orig->blocks;
+ len = roundup(origlen, ARCH_DMA_MINALIGN);
+ buffer = memalign(ARCH_DMA_MINALIGN, len);
+ if (!buffer) {
+ puts("MMC: Error allocating MMC bounce buffer!\n");
+ return 1;
+ }
+
+ if (orig->flags & MMC_DATA_READ) {
+ orig->dest = buffer;
+ } else {
+ memcpy(buffer, orig->src, origlen);
+ orig->src = buffer;
+ }
+
+ return 0;
+}
+
+static void mmc_bounce_buffer_stop(struct mmc_data *backup,
+ struct mmc_data *orig)
+{
+ ulong len;
+
+ if (!orig)
+ return;
+
+ if (!mmc_bounce_need_bounce(backup))
+ return;
+
+ if (backup->flags & MMC_DATA_READ) {
+ len = backup->blocksize * backup->blocks;
+ memcpy(backup->dest, orig->dest, len);
+ free(orig->dest);
+ orig->dest = backup->dest;
+ } else {
+ free((void *)orig->src);
+ orig->src = backup->src;
+ }
+
+ return;
+
+}
+#else
+static inline int mmc_bounce_buffer_start(struct mmc_data *backup,
+ struct mmc_data *orig) { return 0; }
+static inline void mmc_bounce_buffer_stop(struct mmc_data *backup,
+ struct mmc_data *orig) { }
+#endif
+
int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
{
-#ifdef CONFIG_MMC_TRACE
+ struct mmc_data backup;
int ret;
+
+ memset(&backup, 0, sizeof(backup));
+
+ ret = mmc_bounce_buffer_start(&backup, data);
+ if (ret)
+ return ret;
+
+#ifdef CONFIG_MMC_TRACE
int i;
u8 *ptr;
printf("CMD_SEND:%d\n", cmd->cmdidx);
printf("\t\tARG\t\t\t 0x%08X\n", cmd->cmdarg);
- printf("\t\tFLAG\t\t\t %d\n", cmd->flags);
ret = mmc->send_cmd(mmc, cmd, data);
switch (cmd->resp_type) {
case MMC_RSP_NONE:
for (i = 0; i < 4; i++) {
int j;
printf("\t\t\t\t\t%03d - ", i*4);
- ptr = &cmd->response[i];
+ ptr = (u8 *)&cmd->response[i];
ptr += 3;
for (j = 0; j < 4; j++)
printf("%02X ", *ptr--);
printf("\t\tERROR MMC rsp not supported\n");
break;
}
- return ret;
#else
- return mmc->send_cmd(mmc, cmd, data);
+ ret = mmc->send_cmd(mmc, cmd, data);
#endif
+ mmc_bounce_buffer_stop(&backup, data);
+ return ret;
}
int mmc_send_status(struct mmc *mmc, int timeout)
cmd.resp_type = MMC_RSP_R1;
if (!mmc_host_is_spi(mmc))
cmd.cmdarg = mmc->rca << 16;
- cmd.flags = 0;
do {
err = mmc_send_cmd(mmc, &cmd, NULL);
status = (cmd.response[0] & MMC_STATUS_CURR_STATE) >> 9;
printf("CURR STATE:%d\n", status);
#endif
- if (!timeout) {
+ if (timeout <= 0) {
printf("Timeout waiting card ready\n");
return TIMEOUT;
}
cmd.cmdidx = MMC_CMD_SET_BLOCKLEN;
cmd.resp_type = MMC_RSP_R1;
cmd.cmdarg = len;
- cmd.flags = 0;
return mmc_send_cmd(mmc, &cmd, NULL);
}
cmd.cmdidx = start_cmd;
cmd.cmdarg = start;
cmd.resp_type = MMC_RSP_R1;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
if (err)
int err = 0;
struct mmc *mmc = find_mmc_device(dev_num);
lbaint_t blk = 0, blk_r = 0;
+ int timeout = 1000;
if (!mmc)
return -1;
break;
blk += blk_r;
+
+ /* Waiting for the ready status */
+ if (mmc_send_status(mmc, timeout))
+ return 0;
}
return blk;
cmd.cmdarg = start * mmc->write_bl_len;
cmd.resp_type = MMC_RSP_R1;
- cmd.flags = 0;
data.src = src;
data.blocks = blkcnt;
cmd.cmdidx = MMC_CMD_STOP_TRANSMISSION;
cmd.cmdarg = 0;
cmd.resp_type = MMC_RSP_R1b;
- cmd.flags = 0;
if (mmc_send_cmd(mmc, &cmd, NULL)) {
printf("mmc fail to send stop cmd\n");
return 0;
cmd.cmdarg = start * mmc->read_bl_len;
cmd.resp_type = MMC_RSP_R1;
- cmd.flags = 0;
data.dest = dst;
data.blocks = blkcnt;
cmd.cmdidx = MMC_CMD_STOP_TRANSMISSION;
cmd.cmdarg = 0;
cmd.resp_type = MMC_RSP_R1b;
- cmd.flags = 0;
if (mmc_send_cmd(mmc, &cmd, NULL)) {
printf("mmc fail to send stop cmd\n");
return 0;
cmd.cmdidx = MMC_CMD_GO_IDLE_STATE;
cmd.cmdarg = 0;
cmd.resp_type = MMC_RSP_NONE;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
cmd.cmdidx = MMC_CMD_APP_CMD;
cmd.resp_type = MMC_RSP_R1;
cmd.cmdarg = 0;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
cmd.cmdidx = MMC_CMD_SPI_READ_OCR;
cmd.resp_type = MMC_RSP_R3;
cmd.cmdarg = 0;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
cmd.cmdidx = MMC_CMD_SEND_OP_COND;
cmd.resp_type = MMC_RSP_R3;
cmd.cmdarg = 0;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
if (mmc->host_caps & MMC_MODE_HC)
cmd.cmdarg |= OCR_HCS;
- cmd.flags = 0;
-
err = mmc_send_cmd(mmc, &cmd, NULL);
if (err)
cmd.cmdidx = MMC_CMD_SPI_READ_OCR;
cmd.resp_type = MMC_RSP_R3;
cmd.cmdarg = 0;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
}
-int mmc_send_ext_csd(struct mmc *mmc, char *ext_csd)
+int mmc_send_ext_csd(struct mmc *mmc, u8 *ext_csd)
{
struct mmc_cmd cmd;
struct mmc_data data;
cmd.cmdidx = MMC_CMD_SEND_EXT_CSD;
cmd.resp_type = MMC_RSP_R1;
cmd.cmdarg = 0;
- cmd.flags = 0;
- data.dest = ext_csd;
+ data.dest = (char *)ext_csd;
data.blocks = 1;
data.blocksize = 512;
data.flags = MMC_DATA_READ;
cmd.cmdarg = (MMC_SWITCH_MODE_WRITE_BYTE << 24) |
(index << 16) |
(value << 8);
- cmd.flags = 0;
ret = mmc_send_cmd(mmc, &cmd, NULL);
int mmc_change_freq(struct mmc *mmc)
{
- ALLOC_CACHE_ALIGN_BUFFER(char, ext_csd, 512);
+ ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, 512);
char cardtype;
int err;
cmd.cmdarg = (mode << 31) | 0xffffff;
cmd.cmdarg &= ~(0xf << (group * 4));
cmd.cmdarg |= value << (group * 4);
- cmd.flags = 0;
data.dest = (char *)resp;
data.blocksize = 64;
cmd.cmdidx = MMC_CMD_APP_CMD;
cmd.resp_type = MMC_RSP_R1;
cmd.cmdarg = mmc->rca << 16;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
cmd.cmdidx = SD_CMD_APP_SEND_SCR;
cmd.resp_type = MMC_RSP_R1;
cmd.cmdarg = 0;
- cmd.flags = 0;
timeout = 3;
uint mult, freq;
u64 cmult, csize, capacity;
struct mmc_cmd cmd;
- ALLOC_CACHE_ALIGN_BUFFER(char, ext_csd, 512);
- ALLOC_CACHE_ALIGN_BUFFER(char, test_csd, 512);
+ ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, 512);
+ ALLOC_CACHE_ALIGN_BUFFER(u8, test_csd, 512);
int timeout = 1000;
#ifdef CONFIG_MMC_SPI_CRC_ON
cmd.cmdidx = MMC_CMD_SPI_CRC_ON_OFF;
cmd.resp_type = MMC_RSP_R1;
cmd.cmdarg = 1;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
if (err)
MMC_CMD_ALL_SEND_CID; /* cmd not supported in spi */
cmd.resp_type = MMC_RSP_R2;
cmd.cmdarg = 0;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
cmd.cmdidx = SD_CMD_SEND_RELATIVE_ADDR;
cmd.cmdarg = mmc->rca << 16;
cmd.resp_type = MMC_RSP_R6;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
cmd.cmdidx = MMC_CMD_SEND_CSD;
cmd.resp_type = MMC_RSP_R2;
cmd.cmdarg = mmc->rca << 16;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
cmd.cmdidx = MMC_CMD_SELECT_CARD;
cmd.resp_type = MMC_RSP_R1;
cmd.cmdarg = mmc->rca << 16;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
if (err)
}
/* store the partition info of emmc */
- if (ext_csd[EXT_CSD_PARTITIONING_SUPPORT] & PART_SUPPORT)
+ if ((ext_csd[EXT_CSD_PARTITIONING_SUPPORT] & PART_SUPPORT) ||
+ ext_csd[EXT_CSD_BOOT_MULT])
mmc->part_config = ext_csd[EXT_CSD_PART_CONF];
}
cmd.cmdidx = MMC_CMD_APP_CMD;
cmd.resp_type = MMC_RSP_R1;
cmd.cmdarg = mmc->rca << 16;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
if (err)
cmd.cmdidx = SD_CMD_APP_SET_BUS_WIDTH;
cmd.resp_type = MMC_RSP_R1;
cmd.cmdarg = 2;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
if (err)
return err;
}
if (mmc->card_caps & MMC_MODE_HS)
- mmc_set_clock(mmc, 50000000);
+ mmc->tran_speed = 50000000;
else
- mmc_set_clock(mmc, 25000000);
+ mmc->tran_speed = 25000000;
} else {
- for (width = EXT_CSD_BUS_WIDTH_8; width >= 0; width--) {
+ width = ((mmc->host_caps & MMC_MODE_MASK_WIDTH_BITS) >>
+ MMC_MODE_WIDTH_BITS_SHIFT);
+ for (; width >= 0; width--) {
/* Set the card to use 4 bit*/
err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_BUS_WIDTH, width);
if (mmc->card_caps & MMC_MODE_HS) {
if (mmc->card_caps & MMC_MODE_HS_52MHz)
- mmc_set_clock(mmc, 52000000);
+ mmc->tran_speed = 52000000;
else
- mmc_set_clock(mmc, 26000000);
- } else
- mmc_set_clock(mmc, 20000000);
+ mmc->tran_speed = 26000000;
+ }
}
+ mmc_set_clock(mmc, mmc->tran_speed);
+
/* fill in device description */
mmc->block_dev.lun = 0;
mmc->block_dev.type = 0;
(mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
sprintf(mmc->block_dev.revision, "%d.%d", mmc->cid[2] >> 28,
(mmc->cid[2] >> 24) & 0xf);
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBDISK_SUPPORT)
init_part(&mmc->block_dev);
+#endif
return 0;
}
/* We set the bit if the host supports voltages between 2.7 and 3.6 V */
cmd.cmdarg = ((mmc->voltages & 0xff8000) != 0) << 8 | 0xaa;
cmd.resp_type = MMC_RSP_R7;
- cmd.flags = 0;
err = mmc_send_cmd(mmc, &cmd, NULL);
block_dev_desc_t *mmc_get_dev(int dev)
{
struct mmc *mmc = find_mmc_device(dev);
+ if (!mmc || mmc_init(mmc))
+ return NULL;
- return mmc ? &mmc->block_dev : NULL;
+ return &mmc->block_dev;
}
#endif
projects / karo-tx-uboot.git / blobdiff