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-rw-r--r--firmware/target/mips/ingenic_jz47xx/ata-sd-jz4740.c891
1 files changed, 783 insertions, 108 deletions
diff --git a/firmware/target/mips/ingenic_jz47xx/ata-sd-jz4740.c b/firmware/target/mips/ingenic_jz47xx/ata-sd-jz4740.c
index 0b31e8e74d..5d670a8291 100644
--- a/firmware/target/mips/ingenic_jz47xx/ata-sd-jz4740.c
+++ b/firmware/target/mips/ingenic_jz47xx/ata-sd-jz4740.c
@@ -30,16 +30,19 @@
#include "panic.h"
#include "debug.h"
#include "storage.h"
+#include "string.h"
static struct wakeup sd_wakeup;
+static long last_disk_activity = -1;
//#define MMC_DMA_ENABLE
#define MMC_DMA_INTERRUPT 0
-#define DEBUG(x...) logf(x);
+#define DEBUG(x...) logf(x)
-#define MMC_INSERT_STATUS() __gpio_get_pin(MMC_CD_PIN)
+#define BLOCK_SIZE 512
+#define MMC_INSERT_STATUS() __gpio_get_pin(MMC_CD_PIN)
#define MMC_RESET() __msc_reset()
#define MMC_IRQ_MASK() \
@@ -81,49 +84,49 @@ enum mmc_result_t
#define MMC_CLOCK_FAST 20000000 /* 20 MHz for maximum for normal operation */
#define SD_CLOCK_FAST 24000000 /* 24 MHz for SD Cards */
#define SD_CLOCK_HIGH 48000000 /* 48 MHz for SD Cards */
-
+
/* Extra MMC commands for state control */
/* Use negative numbers to disambiguate */
#define MMC_CIM_RESET -1
-/* Standard MMC commands (3.1) type argument response */
+/* Standard MMC commands (3.1) type argument response */
/* class 1 */
#define MMC_GO_IDLE_STATE 0 /* bc */
-#define MMC_SEND_OP_COND 1 /* bcr [31:0] OCR R3 */
+#define MMC_SEND_OP_COND 1 /* bcr [31:0] OCR R3 */
#define MMC_ALL_SEND_CID 2 /* bcr R2 */
#define MMC_SET_RELATIVE_ADDR 3 /* ac [31:16] RCA R1 */
#define MMC_SET_DSR 4 /* bc [31:16] RCA */
#define MMC_SELECT_CARD 7 /* ac [31:16] RCA R1 */
#define MMC_SEND_CSD 9 /* ac [31:16] RCA R2 */
#define MMC_SEND_CID 10 /* ac [31:16] RCA R2 */
-#define MMC_READ_DAT_UNTIL_STOP 11 /* adtc [31:0] dadr R1 */
+#define MMC_READ_DAT_UNTIL_STOP 11 /* adtc [31:0] dadr R1 */
#define MMC_STOP_TRANSMISSION 12 /* ac R1b */
#define MMC_SEND_STATUS 13 /* ac [31:16] RCA R1 */
#define MMC_GO_INACTIVE_STATE 15 /* ac [31:16] RCA */
/* class 2 */
-#define MMC_SET_BLOCKLEN 16 /* ac [31:0] block len R1 */
-#define MMC_READ_SINGLE_BLOCK 17 /* adtc [31:0] data addr R1 */
-#define MMC_READ_MULTIPLE_BLOCK 18 /* adtc [31:0] data addr R1 */
+#define MMC_SET_BLOCKLEN 16 /* ac [31:0] block len R1 */
+#define MMC_READ_SINGLE_BLOCK 17 /* adtc [31:0] data addr R1 */
+#define MMC_READ_MULTIPLE_BLOCK 18 /* adtc [31:0] data addr R1 */
/* class 3 */
-#define MMC_WRITE_DAT_UNTIL_STOP 20 /* adtc [31:0] data addr R1 */
+#define MMC_WRITE_DAT_UNTIL_STOP 20 /* adtc [31:0] data addr R1 */
/* class 4 */
-#define MMC_SET_BLOCK_COUNT 23 /* adtc [31:0] data addr R1 */
-#define MMC_WRITE_BLOCK 24 /* adtc [31:0] data addr R1 */
+#define MMC_SET_BLOCK_COUNT 23 /* adtc [31:0] data addr R1 */
+#define MMC_WRITE_BLOCK 24 /* adtc [31:0] data addr R1 */
#define MMC_WRITE_MULTIPLE_BLOCK 25 /* adtc R1 */
#define MMC_PROGRAM_CID 26 /* adtc R1 */
#define MMC_PROGRAM_CSD 27 /* adtc R1 */
/* class 6 */
-#define MMC_SET_WRITE_PROT 28 /* ac [31:0] data addr R1b */
-#define MMC_CLR_WRITE_PROT 29 /* ac [31:0] data addr R1b */
-#define MMC_SEND_WRITE_PROT 30 /* adtc [31:0] wpdata addr R1 */
+#define MMC_SET_WRITE_PROT 28 /* ac [31:0] data addr R1b */
+#define MMC_CLR_WRITE_PROT 29 /* ac [31:0] data addr R1b */
+#define MMC_SEND_WRITE_PROT 30 /* adtc [31:0] wpdata addr R1 */
/* class 5 */
-#define MMC_ERASE_GROUP_START 35 /* ac [31:0] data addr R1 */
-#define MMC_ERASE_GROUP_END 36 /* ac [31:0] data addr R1 */
+#define MMC_ERASE_GROUP_START 35 /* ac [31:0] data addr R1 */
+#define MMC_ERASE_GROUP_END 36 /* ac [31:0] data addr R1 */
#define MMC_ERASE 37 /* ac R1b */
/* class 9 */
@@ -135,12 +138,12 @@ enum mmc_result_t
/* class 8 */
#define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */
-#define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1b */
+#define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1b */
/* SD class */
-#define SD_SEND_OP_COND 41 /* bcr [31:0] OCR R3 */
-#define SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
-#define SEND_SCR 51 /* adtc [31:0] staff R1 */
+#define SD_SEND_OP_COND 41 /* bcr [31:0] OCR R3 */
+#define SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
+#define SEND_SCR 51 /* adtc [31:0] staff R1 */
/* Don't change the order of these; they are used in dispatch tables */
enum mmc_rsp_t
@@ -154,6 +157,7 @@ enum mmc_rsp_t
RESPONSE_R4 = 6,
RESPONSE_R5 = 7,
RESPONSE_R6 = 8,
+ RESPONSE_R7 = 9,
};
@@ -196,20 +200,6 @@ enum mmc_rsp_t
#define R1_READY_FOR_DATA (1 << 8) /* sx, a */
#define R1_APP_CMD (1 << 7) /* sr, c */
-enum card_state
-{
- CARD_STATE_EMPTY = -1,
- CARD_STATE_IDLE = 0,
- CARD_STATE_READY = 1,
- CARD_STATE_IDENT = 2,
- CARD_STATE_STBY = 3,
- CARD_STATE_TRAN = 4,
- CARD_STATE_DATA = 5,
- CARD_STATE_RCV = 6,
- CARD_STATE_PRG = 7,
- CARD_STATE_DIS = 8,
-};
-
/* These are unpacked versions of the actual responses */
struct mmc_response_r1
{
@@ -276,7 +266,7 @@ struct mmc_csd
struct mmc_response_r3
{
unsigned int ocr;
-};
+};
#define MMC_VDD_145_150 0x00000001 /* VDD voltage 1.45 - 1.50 */
#define MMC_VDD_150_155 0x00000002 /* VDD voltage 1.50 - 1.55 */
@@ -323,7 +313,6 @@ typedef struct MMC_INFO
int rca; /* RCA */
unsigned int scr; /* SCR 63:32*/
int flags; /* Ejected, inserted */
- enum card_state state; /* empty, ident, ready, whatever */
/* Card specific information */
struct mmc_cid cid;
@@ -333,8 +322,6 @@ typedef struct MMC_INFO
unsigned int erase_unit;
} mmc_info;
-static mmc_info mmcinfo;
-
struct mmc_request
{
int index; /* Slot index - used for CS lines */
@@ -354,6 +341,7 @@ struct mmc_request
};
#define MMC_OCR_ARG 0x00ff8000 /* Argument of OCR */
+//#define MMC_OCR_ARG 0x40300000
/***********************************************************************
* MMC Events
@@ -363,16 +351,320 @@ struct mmc_request
#define MMC_EVENT_TX_DATA_DONE 0x02 /* Tx data done */
#define MMC_EVENT_PROG_DONE 0x04 /* Programming is done */
-static int use_4bit; /* Use 4-bit data bus */
-static int num_6;
-static int sd2_0 = 1;
+static int use_4bit = 1; /* Use 4-bit data bus */
+static int num_6 = 0;
+static int sd2_0 = 0;
+static mmc_info mmcinfo;
+
+/**************************************************************************
+ * Utility functions
+ **************************************************************************/
+
+#define PARSE_U32(_buf,_index) \
+ (((unsigned int)_buf[_index]) << 24) | (((unsigned int)_buf[_index+1]) << 16) | \
+ (((unsigned int)_buf[_index+2]) << 8) | ((unsigned int)_buf[_index+3]);
+
+#define PARSE_U16(_buf,_index) \
+ (((unsigned short)_buf[_index]) << 8) | ((unsigned short)_buf[_index+1]);
+
+int mmc_unpack_csd(struct mmc_request *request, struct mmc_csd *csd)
+{
+ unsigned char *buf = request->response;
+ int num = 0;
+
+ if (request->result)
+ return request->result;
+
+ csd->csd_structure = (buf[1] & 0xc0) >> 6;
+ if (csd->csd_structure)
+ sd2_0 = 1;
+ else
+ sd2_0 = 0;
+
+ switch (csd->csd_structure) {
+ case 0 :
+ csd->taac = buf[2];
+ csd->nsac = buf[3];
+ csd->tran_speed = buf[4];
+ csd->ccc = (((unsigned short)buf[5]) << 4) | ((buf[6] & 0xf0) >> 4);
+ csd->read_bl_len = buf[6] & 0x0f;
+ /* for support 2GB card*/
+ if (csd->read_bl_len >= 10)
+ {
+ num = csd->read_bl_len - 9;
+ csd->read_bl_len = 9;
+ }
+
+ csd->read_bl_partial = (buf[7] & 0x80) ? 1 : 0;
+ csd->write_blk_misalign = (buf[7] & 0x40) ? 1 : 0;
+ csd->read_blk_misalign = (buf[7] & 0x20) ? 1 : 0;
+ csd->dsr_imp = (buf[7] & 0x10) ? 1 : 0;
+ csd->c_size = ((((unsigned short)buf[7]) & 0x03) << 10) | (((unsigned short)buf[8]) << 2) | (((unsigned short)buf[9]) & 0xc0) >> 6;
+
+ if (num)
+ csd->c_size = csd->c_size << num;
+
+
+ csd->vdd_r_curr_min = (buf[9] & 0x38) >> 3;
+ csd->vdd_r_curr_max = buf[9] & 0x07;
+ csd->vdd_w_curr_min = (buf[10] & 0xe0) >> 5;
+ csd->vdd_w_curr_max = (buf[10] & 0x1c) >> 2;
+ csd->c_size_mult = ((buf[10] & 0x03) << 1) | ((buf[11] & 0x80) >> 7);
+ switch (csd->csd_structure) {
+ case CSD_STRUCT_VER_1_0:
+ case CSD_STRUCT_VER_1_1:
+ csd->erase.v22.sector_size = (buf[11] & 0x7c) >> 2;
+ csd->erase.v22.erase_grp_size = ((buf[11] & 0x03) << 3) | ((buf[12] & 0xe0) >> 5);
+
+ break;
+ case CSD_STRUCT_VER_1_2:
+ default:
+ csd->erase.v31.erase_grp_size = (buf[11] & 0x7c) >> 2;
+ csd->erase.v31.erase_grp_mult = ((buf[11] & 0x03) << 3) | ((buf[12] & 0xe0) >> 5);
+ break;
+ }
+ csd->wp_grp_size = buf[12] & 0x1f;
+ csd->wp_grp_enable = (buf[13] & 0x80) ? 1 : 0;
+ csd->default_ecc = (buf[13] & 0x60) >> 5;
+ csd->r2w_factor = (buf[13] & 0x1c) >> 2;
+ csd->write_bl_len = ((buf[13] & 0x03) << 2) | ((buf[14] & 0xc0) >> 6);
+ if (csd->write_bl_len >= 10)
+ csd->write_bl_len = 9;
+
+ csd->write_bl_partial = (buf[14] & 0x20) ? 1 : 0;
+ csd->file_format_grp = (buf[15] & 0x80) ? 1 : 0;
+ csd->copy = (buf[15] & 0x40) ? 1 : 0;
+ csd->perm_write_protect = (buf[15] & 0x20) ? 1 : 0;
+ csd->tmp_write_protect = (buf[15] & 0x10) ? 1 : 0;
+ csd->file_format = (buf[15] & 0x0c) >> 2;
+ csd->ecc = buf[15] & 0x03;
+
+ DEBUG("csd_structure=%d spec_vers=%d taac=%02x nsac=%02x tran_speed=%02x",
+ csd->csd_structure, csd->spec_vers,
+ csd->taac, csd->nsac, csd->tran_speed);
+ DEBUG("ccc=%04x read_bl_len=%d read_bl_partial=%d write_blk_misalign=%d",
+ csd->ccc, csd->read_bl_len,
+ csd->read_bl_partial, csd->write_blk_misalign);
+ DEBUG("read_blk_misalign=%d dsr_imp=%d c_size=%d vdd_r_curr_min=%d",
+ csd->read_blk_misalign, csd->dsr_imp,
+ csd->c_size, csd->vdd_r_curr_min);
+ DEBUG("vdd_r_curr_max=%d vdd_w_curr_min=%d vdd_w_curr_max=%d c_size_mult=%d",
+ csd->vdd_r_curr_max, csd->vdd_w_curr_min,
+ csd->vdd_w_curr_max, csd->c_size_mult);
+ DEBUG("wp_grp_size=%d wp_grp_enable=%d default_ecc=%d r2w_factor=%d",
+ csd->wp_grp_size, csd->wp_grp_enable,
+ csd->default_ecc, csd->r2w_factor);
+ DEBUG("write_bl_len=%d write_bl_partial=%d file_format_grp=%d copy=%d",
+ csd->write_bl_len, csd->write_bl_partial,
+ csd->file_format_grp, csd->copy);
+ DEBUG("perm_write_protect=%d tmp_write_protect=%d file_format=%d ecc=%d",
+ csd->perm_write_protect, csd->tmp_write_protect,
+ csd->file_format, csd->ecc);
+ switch (csd->csd_structure) {
+ case CSD_STRUCT_VER_1_0:
+ case CSD_STRUCT_VER_1_1:
+ DEBUG("V22 sector_size=%d erase_grp_size=%d",
+ csd->erase.v22.sector_size,
+ csd->erase.v22.erase_grp_size);
+ break;
+ case CSD_STRUCT_VER_1_2:
+ default:
+ DEBUG("V31 erase_grp_size=%d erase_grp_mult=%d",
+ csd->erase.v31.erase_grp_size,
+ csd->erase.v31.erase_grp_mult);
+ break;
+
+ }
+ break;
+
+ case 1 :
+ csd->taac = 0;
+ csd->nsac = 0;
+ csd->tran_speed = buf[4];
+ csd->ccc = (((unsigned short)buf[5]) << 4) | ((buf[6] & 0xf0) >> 4);
+
+ csd->read_bl_len = 9;
+ csd->read_bl_partial = 0;
+ csd->write_blk_misalign = 0;
+ csd->read_blk_misalign = 0;
+ csd->dsr_imp = (buf[7] & 0x10) ? 1 : 0;
+ csd->c_size = ((((unsigned short)buf[8]) & 0x3f) << 16) | (((unsigned short)buf[9]) << 8) | ((unsigned short)buf[10]) ;
+ switch (csd->csd_structure) {
+ case CSD_STRUCT_VER_1_0:
+ case CSD_STRUCT_VER_1_1:
+ csd->erase.v22.sector_size = 0x7f;
+ csd->erase.v22.erase_grp_size = 0;
+ break;
+ case CSD_STRUCT_VER_1_2:
+ default:
+ csd->erase.v31.erase_grp_size = 0x7f;
+ csd->erase.v31.erase_grp_mult = 0;
+ break;
+ }
+ csd->wp_grp_size = 0;
+ csd->wp_grp_enable = 0;
+ csd->default_ecc = (buf[13] & 0x60) >> 5;
+ csd->r2w_factor = 4;/* Unused */
+ csd->write_bl_len = 9;
+
+ csd->write_bl_partial = 0;
+ csd->file_format_grp = 0;
+ csd->copy = (buf[15] & 0x40) ? 1 : 0;
+ csd->perm_write_protect = (buf[15] & 0x20) ? 1 : 0;
+ csd->tmp_write_protect = (buf[15] & 0x10) ? 1 : 0;
+ csd->file_format = 0;
+ csd->ecc = buf[15] & 0x03;
+
+ DEBUG("csd_structure=%d spec_vers=%d taac=%02x nsac=%02x tran_speed=%02x",
+ csd->csd_structure, csd->spec_vers,
+ csd->taac, csd->nsac, csd->tran_speed);
+ DEBUG("ccc=%04x read_bl_len=%d read_bl_partial=%d write_blk_misalign=%d",
+ csd->ccc, csd->read_bl_len,
+ csd->read_bl_partial, csd->write_blk_misalign);
+ DEBUG("read_blk_misalign=%d dsr_imp=%d c_size=%d vdd_r_curr_min=%d",
+ csd->read_blk_misalign, csd->dsr_imp,
+ csd->c_size, csd->vdd_r_curr_min);
+ DEBUG("vdd_r_curr_max=%d vdd_w_curr_min=%d vdd_w_curr_max=%d c_size_mult=%d",
+ csd->vdd_r_curr_max, csd->vdd_w_curr_min,
+ csd->vdd_w_curr_max, csd->c_size_mult);
+ DEBUG("wp_grp_size=%d wp_grp_enable=%d default_ecc=%d r2w_factor=%d",
+ csd->wp_grp_size, csd->wp_grp_enable,
+ csd->default_ecc, csd->r2w_factor);
+ DEBUG("write_bl_len=%d write_bl_partial=%d file_format_grp=%d copy=%d",
+ csd->write_bl_len, csd->write_bl_partial,
+ csd->file_format_grp, csd->copy);
+ DEBUG("perm_write_protect=%d tmp_write_protect=%d file_format=%d ecc=%d",
+ csd->perm_write_protect, csd->tmp_write_protect,
+ csd->file_format, csd->ecc);
+ switch (csd->csd_structure) {
+ case CSD_STRUCT_VER_1_0:
+ case CSD_STRUCT_VER_1_1:
+ DEBUG("V22 sector_size=%d erase_grp_size=%d",
+ csd->erase.v22.sector_size,
+ csd->erase.v22.erase_grp_size);
+ break;
+ case CSD_STRUCT_VER_1_2:
+ default:
+ DEBUG("V31 erase_grp_size=%d erase_grp_mult=%d",
+ csd->erase.v31.erase_grp_size,
+ csd->erase.v31.erase_grp_mult);
+ break;
+ }
+ }
+
+ if (buf[0] != 0x3f)
+ return MMC_ERROR_HEADER_MISMATCH;
+
+ return 0;
+}
+
+int mmc_unpack_r1(struct mmc_request *request, struct mmc_response_r1 *r1)
+{
+ unsigned char *buf = request->response;
+
+ if (request->result)
+ return request->result;
+
+ r1->cmd = buf[0];
+ r1->status = PARSE_U32(buf,1);
+
+ DEBUG("mmc_unpack_r1: cmd=%d status=%08x", r1->cmd, r1->status);
+
+ if (R1_STATUS(r1->status)) {
+ if (r1->status & R1_OUT_OF_RANGE) return MMC_ERROR_OUT_OF_RANGE;
+ if (r1->status & R1_ADDRESS_ERROR) return MMC_ERROR_ADDRESS;
+ if (r1->status & R1_BLOCK_LEN_ERROR) return MMC_ERROR_BLOCK_LEN;
+ if (r1->status & R1_ERASE_SEQ_ERROR) return MMC_ERROR_ERASE_SEQ;
+ if (r1->status & R1_ERASE_PARAM) return MMC_ERROR_ERASE_PARAM;
+ if (r1->status & R1_WP_VIOLATION) return MMC_ERROR_WP_VIOLATION;
+ //if (r1->status & R1_CARD_IS_LOCKED) return MMC_ERROR_CARD_IS_LOCKED;
+ if (r1->status & R1_LOCK_UNLOCK_FAILED) return MMC_ERROR_LOCK_UNLOCK_FAILED;
+ if (r1->status & R1_COM_CRC_ERROR) return MMC_ERROR_COM_CRC;
+ if (r1->status & R1_ILLEGAL_COMMAND) return MMC_ERROR_ILLEGAL_COMMAND;
+ if (r1->status & R1_CARD_ECC_FAILED) return MMC_ERROR_CARD_ECC_FAILED;
+ if (r1->status & R1_CC_ERROR) return MMC_ERROR_CC;
+ if (r1->status & R1_ERROR) return MMC_ERROR_GENERAL;
+ if (r1->status & R1_UNDERRUN) return MMC_ERROR_UNDERRUN;
+ if (r1->status & R1_OVERRUN) return MMC_ERROR_OVERRUN;
+ if (r1->status & R1_CID_CSD_OVERWRITE) return MMC_ERROR_CID_CSD_OVERWRITE;
+ }
+
+ if (buf[0] != request->cmd)
+ return MMC_ERROR_HEADER_MISMATCH;
+
+ /* This should be last - it's the least dangerous error */
+
+ return 0;
+}
+
+int mmc_unpack_scr(struct mmc_request *request, struct mmc_response_r1 *r1, unsigned int *scr)
+{
+ unsigned char *buf = request->response;
+ if (request->result)
+ return request->result;
+
+ *scr = PARSE_U32(buf, 5); /* Save SCR returned by the SD Card */
+ return mmc_unpack_r1(request, r1);
+}
+
+int mmc_unpack_r6(struct mmc_request *request, struct mmc_response_r1 *r1, int *rca)
+{
+ unsigned char *buf = request->response;
+
+ if (request->result) return request->result;
+
+ *rca = PARSE_U16(buf,1); /* Save RCA returned by the SD Card */
+
+ *(buf+1) = 0;
+ *(buf+2) = 0;
+
+ return mmc_unpack_r1(request, r1);
+}
+
+int mmc_unpack_cid(struct mmc_request *request, struct mmc_cid *cid)
+{
+ unsigned char *buf = request->response;
+ int i;
+
+ if (request->result) return request->result;
+
+ cid->mid = buf[1];
+ cid->oid = PARSE_U16(buf,2);
+ for (i = 0 ; i < 6 ; i++)
+ cid->pnm[i] = buf[4+i];
+ cid->pnm[6] = 0;
+ cid->prv = buf[10];
+ cid->psn = PARSE_U32(buf,11);
+ cid->mdt = buf[15];
+
+ DEBUG("mmc_unpack_cid: mid=%d oid=%d pnm=%s prv=%d.%d psn=%08x mdt=%d/%d",
+ cid->mid, cid->oid, cid->pnm,
+ (cid->prv>>4), (cid->prv&0xf),
+ cid->psn, (cid->mdt>>4), (cid->mdt&0xf)+1997);
+
+ if (buf[0] != 0x3f) return MMC_ERROR_HEADER_MISMATCH;
+ return 0;
+}
+
+int mmc_unpack_r3(struct mmc_request *request, struct mmc_response_r3 *r3)
+{
+ unsigned char *buf = request->response;
+
+ if (request->result) return request->result;
+
+ r3->ocr = PARSE_U32(buf,1);
+ DEBUG("mmc_unpack_r3: ocr=%08x", r3->ocr);
+
+ if (buf[0] != 0x3f) return MMC_ERROR_HEADER_MISMATCH;
+ return 0;
+}
/* Stop the MMC clock and wait while it happens */
static inline int jz_mmc_stop_clock(void)
{
- int timeout = 1000;
+ register int timeout = 1000;
- DEBUG("stop MMC clock");
+ //DEBUG("stop MMC clock");
REG_MSC_STRPCL = MSC_STRPCL_CLOCK_CONTROL_STOP;
while (timeout && (REG_MSC_STAT & MSC_STAT_CLK_EN))
@@ -385,40 +677,26 @@ static inline int jz_mmc_stop_clock(void)
}
udelay(1);
}
- DEBUG("clock off time is %d microsec", timeout);
+ //DEBUG("clock off time is %d microsec", timeout);
return MMC_NO_ERROR;
}
/* Start the MMC clock and operation */
static inline int jz_mmc_start_clock(void)
{
- REG_MSC_STRPCL =
- MSC_STRPCL_CLOCK_CONTROL_START | MSC_STRPCL_START_OP;
+ REG_MSC_STRPCL = MSC_STRPCL_CLOCK_CONTROL_START | MSC_STRPCL_START_OP;
return MMC_NO_ERROR;
}
-static inline unsigned int jz_mmc_calc_clkrt(int is_sd, unsigned int rate)
-{
- unsigned int clkrt;
- unsigned int clk_src = is_sd ? 24000000 : 20000000;
-
- clkrt = 0;
- while (rate < clk_src)
- {
- clkrt++;
- clk_src >>= 1;
- }
- return clkrt;
-}
-
static int jz_mmc_check_status(struct mmc_request *request)
{
+ (void)request;
unsigned int status = REG_MSC_STAT;
/* Checking for response or data timeout */
if (status & (MSC_STAT_TIME_OUT_RES | MSC_STAT_TIME_OUT_READ))
{
- DEBUG("MMC/SD timeout, MMC_STAT 0x%x CMD %d", status,
+ DEBUG("MMC/SD timeout, MSC_STAT 0x%x CMD %d", status,
request->cmd);
return MMC_ERROR_TIMEOUT;
}
@@ -428,9 +706,18 @@ static int jz_mmc_check_status(struct mmc_request *request)
(MSC_STAT_CRC_READ_ERROR | MSC_STAT_CRC_WRITE_ERROR |
MSC_STAT_CRC_RES_ERR))
{
- DEBUG("MMC/CD CRC error, MMC_STAT 0x%x", status);
+ DEBUG("MMC/SD CRC error, MSC_STAT 0x%x", status);
return MMC_ERROR_CRC;
+
}
+
+
+ /* Checking for FIFO empty */
+ /*if(status & MSC_STAT_DATA_FIFO_EMPTY && request->rtype != RESPONSE_NONE)
+ {
+ DEBUG("MMC/SD FIFO empty, MSC_STAT 0x%x", status);
+ return MMC_ERROR_UNDERRUN;
+ }*/
return MMC_NO_ERROR;
}
@@ -451,6 +738,7 @@ static void jz_mmc_get_response(struct mmc_request *request)
{
case RESPONSE_R1:
case RESPONSE_R1B:
+ case RESPONSE_R7:
case RESPONSE_R6:
case RESPONSE_R3:
case RESPONSE_R4:
@@ -686,6 +974,20 @@ static int jz_mmc_transmit_data(struct mmc_request *req)
return MMC_NO_ERROR;
}
+static inline unsigned int jz_mmc_calc_clkrt(int is_sd, unsigned int rate)
+{
+ unsigned int clkrt;
+ unsigned int clk_src = is_sd ? 24000000 : 20000000;
+
+ clkrt = 0;
+ while (rate < clk_src)
+ {
+ clkrt++;
+ clk_src >>= 1;
+ }
+ return clkrt;
+}
+
/* Set the MMC clock frequency */
static void jz_mmc_set_clock(int sd, unsigned int rate)
{
@@ -695,19 +997,20 @@ static void jz_mmc_set_clock(int sd, unsigned int rate)
jz_mmc_stop_clock();
- if(sd2_0)
+ if (sd2_0)
{
- __cpm_select_msc_hs_clk(sd); /* select clock source from CPM */
+ __cpm_select_msc_hs_clk(sd); /* select clock source from CPM */
REG_CPM_CPCCR |= CPM_CPCCR_CE;
REG_MSC_CLKRT = 0;
}
else
{
- __cpm_select_msc_clk(sd); /* select clock source from CPM */
+ __cpm_select_msc_clk(sd); /* select clock source from CPM */
REG_CPM_CPCCR |= CPM_CPCCR_CE;
clkrt = jz_mmc_calc_clkrt(sd, rate);
REG_MSC_CLKRT = clkrt;
}
+
DEBUG("set clock to %u Hz is_sd=%d clkrt=%d", rate, sd, clkrt);
}
@@ -724,8 +1027,8 @@ static int jz_mmc_exec_cmd(struct mmc_request *request)
/* Indicate we have no result yet */
request->result = MMC_NO_RESPONSE;
- if (request->cmd == MMC_CIM_RESET)
- {
+
+ if (request->cmd == MMC_CIM_RESET) {
/* On reset, 1-bit bus width */
use_4bit = 0;
@@ -733,19 +1036,11 @@ static int jz_mmc_exec_cmd(struct mmc_request *request)
__msc_reset();
/* On reset, drop MMC clock down */
- jz_mmc_set_clock(0, MMC_CLOCK_SLOW);
+ jz_mmc_set_clock(1, MMC_CLOCK_SLOW);
/* On reset, stop MMC clock */
jz_mmc_stop_clock();
}
-#if 0
- if (request->cmd == MMC_SEND_OP_COND)
- {
- DEBUG("Have a MMC card");
- /* always use 1bit for MMC */
- use_4bit = 0;
- }
-#endif
if (request->cmd == SET_BUS_WIDTH)
{
if (request->arg == 0x2)
@@ -764,7 +1059,7 @@ static int jz_mmc_exec_cmd(struct mmc_request *request)
jz_mmc_stop_clock();
/* mask all interrupts */
- REG_MSC_IMASK = 0xffff;
+ //REG_MSC_IMASK = 0xffff;
/* clear status */
REG_MSC_IREG = 0xffff;
/*open interrupt */
@@ -778,9 +1073,8 @@ static int jz_mmc_exec_cmd(struct mmc_request *request)
{
/* MMC core extra command */
case MMC_CIM_RESET:
- cmdat |= MSC_CMDAT_INIT; /* Initialization sequence sent prior to command */
+ cmdat |= MSC_CMDAT_INIT; /* Initialization sequence sent prior to command */
break;
-
/* bc - broadcast - no response */
case MMC_GO_IDLE_STATE:
case MMC_SET_DSR:
@@ -854,8 +1148,9 @@ static int jz_mmc_exec_cmd(struct mmc_request *request)
break;
case RESPONSE_R1B:
cmdat |= MSC_CMDAT_BUSY;
- /*FALLTHRU*/
+ /* FALLTHRU */
case RESPONSE_R1:
+ case RESPONSE_R7:
cmdat |= MSC_CMDAT_RESPONSE_R1;
break;
case RESPONSE_R2_CID:
@@ -964,7 +1259,6 @@ static int jz_mmc_exec_cmd(struct mmc_request *request)
/* Wait for Data Done */
while (!(REG_MSC_IREG & MSC_IREG_DATA_TRAN_DONE));
REG_MSC_IREG = MSC_IREG_DATA_TRAN_DONE; /* clear status */
-
}
/* Wait for Prog Done event */
@@ -1027,6 +1321,7 @@ static void jz_mmc_rx_handler(unsigned int arg)
void MSC(void)
{
//wakeup_signal(&sd_wakeup);
+ logf("MSC interrupt");
}
/*******************************************************************************************************************
@@ -1037,8 +1332,8 @@ void MSC(void)
********************************************************************************************************************/
static void jz_mmc_hardware_init(void)
{
- mmc_init_gpio(); /* init GPIO */
__cpm_start_msc(); /* enable mmc clock */
+ mmc_init_gpio(); /* init GPIO */
#ifdef MMC_POWER_ON
MMC_POWER_ON(); /* turn on power of card */
#endif
@@ -1060,7 +1355,7 @@ static void jz_mmc_hardware_init(void)
#endif
}
-static void mmc_send_cmd(struct mmc_request *request, int cmd, unsigned int arg,
+static int mmc_send_cmd(struct mmc_request *request, int cmd, unsigned int arg,
unsigned short nob, unsigned short block_len,
enum mmc_rsp_t rtype, unsigned char* buffer)
{
@@ -1071,26 +1366,284 @@ static void mmc_send_cmd(struct mmc_request *request, int cmd, unsigned int arg,
request->block_len = block_len;
request->buffer = buffer;
request->cnt = nob * block_len;
- logf("mmc_send_cmd: command = %d",cmd);
- jz_mmc_exec_cmd(request);
+
+ return jz_mmc_exec_cmd(request);
}
-static bool inited = false;
-int _sd_init(void)
+static void mmc_simple_cmd(struct mmc_request *request, int cmd, unsigned int arg,
+ enum mmc_rsp_t rtype)
{
+ mmc_send_cmd(request, cmd, arg, 0, 0, rtype, NULL);
+}
+
+#define KBPS 1
+#define MBPS 1000
+static unsigned int ts_exp[] = { 100*KBPS, 1*MBPS, 10*MBPS, 100*MBPS, 0, 0, 0, 0 };
+static unsigned int ts_mul[] = { 0, 1000, 1200, 1300, 1500, 2000, 2500, 3000,
+ 3500, 4000, 4500, 5000, 5500, 6000, 7000, 8000 };
+
+unsigned int mmc_tran_speed(unsigned char ts)
+{
+ unsigned int rate = ts_exp[(ts & 0x7)] * ts_mul[(ts & 0x78) >> 3];
+
+ if (rate <= 0)
+ {
+ DEBUG("mmc_tran_speed: error - unrecognized speed 0x%02x", ts);
+ return 1;
+ }
+
+ return rate;
+}
+
+static void mmc_configure_card(void)
+{
+ unsigned int rate;
+
+ /* Get card info */
+ if (sd2_0)
+ mmcinfo.block_num = (mmcinfo.csd.c_size + 1) << 10;
+ else
+ mmcinfo.block_num = (mmcinfo.csd.c_size + 1) * (1 << (mmcinfo.csd.c_size_mult + 2));
+
+ mmcinfo.block_len = 1 << mmcinfo.csd.read_bl_len;
+
+ /* Fix the clock rate */
+ rate = mmc_tran_speed(mmcinfo.csd.tran_speed);
+ if (rate < MMC_CLOCK_SLOW)
+ rate = MMC_CLOCK_SLOW;
+ if (rate > SD_CLOCK_FAST)
+ rate = SD_CLOCK_FAST;
+
+ DEBUG("mmc_configure_card: block_len=%d block_num=%d rate=%d", mmcinfo.block_len, mmcinfo.block_num, rate);
+
+ jz_mmc_set_clock(1, rate);
+}
+
+#define MMC_INIT_DOING 0
+#define MMC_INIT_PASSED 1
+#define MMC_INIT_FAILED 2
+
+static int mmc_init_card_state(struct mmc_request *request)
+{
+ struct mmc_response_r1 r1;
+ struct mmc_response_r3 r3;
+ int retval;
+ int ocr = 0x40300000;
+ int limit_41 = 0;
+
+ switch (request->cmd)
+ {
+ case MMC_GO_IDLE_STATE: /* No response to parse */
+ mmc_simple_cmd(request, SD_SEND_IF_COND, 0x1AA, RESPONSE_R1);
+ break;
+
+ case SD_SEND_IF_COND:
+ mmc_simple_cmd(request, MMC_APP_CMD, 0, RESPONSE_R1);
+ break;
+
+ case MMC_APP_CMD:
+ retval = mmc_unpack_r1(request, &r1);
+ if (retval & (limit_41 < 100))
+ {
+ DEBUG("mmc_init_card_state: unable to MMC_APP_CMD error=%d",
+ retval);
+ limit_41++;
+ mmc_simple_cmd(request, SD_SEND_OP_COND, ocr, RESPONSE_R3);
+ } else if (limit_41 < 100) {
+ limit_41++;
+ mmc_simple_cmd(request, SD_SEND_OP_COND, ocr, RESPONSE_R3);
+ } else{
+ /* reset the card to idle*/
+ mmc_simple_cmd(request, MMC_GO_IDLE_STATE, 0, RESPONSE_NONE);
+ }
+ break;
+
+ case SD_SEND_OP_COND:
+ retval = mmc_unpack_r3(request, &r3);
+ if (retval)
+ {
+ /* Try MMC card */
+ mmc_simple_cmd(request, MMC_SEND_OP_COND, MMC_OCR_ARG, RESPONSE_R3);
+ break;
+ }
+
+ DEBUG("mmc_init_card_state: read ocr value = 0x%08x", r3.ocr);
+
+ if(!(r3.ocr & MMC_CARD_BUSY || ocr == 0)){
+ udelay(10000);
+ mmc_simple_cmd(request, MMC_APP_CMD, 0, RESPONSE_R1);
+ }
+ else
+ {
+ /* Set the data bus width to 4 bits */
+ use_4bit = 1;
+ mmc_simple_cmd(request, MMC_ALL_SEND_CID, 0, RESPONSE_R2_CID);
+ }
+ break;
+
+ case MMC_SEND_OP_COND:
+ retval = mmc_unpack_r3(request, &r3);
+ if (retval)
+ {
+ DEBUG("mmc_init_card_state: failed SEND_OP_COND error=%d",
+ retval);
+ return MMC_INIT_FAILED;
+ }
+
+ DEBUG("mmc_init_card_state: read ocr value = 0x%08x", r3.ocr);
+ if (!(r3.ocr & MMC_CARD_BUSY))
+ mmc_simple_cmd(request, MMC_SEND_OP_COND, MMC_OCR_ARG, RESPONSE_R3);
+ else
+ mmc_simple_cmd(request, MMC_ALL_SEND_CID, 0, RESPONSE_R2_CID);
+ break;
+
+ case MMC_ALL_SEND_CID:
+ retval = mmc_unpack_cid( request, &mmcinfo.cid );
+
+ if ( retval && (retval != MMC_ERROR_CRC)) {
+ DEBUG("mmc_init_card_state: unable to ALL_SEND_CID error=%d",
+ retval);
+ return MMC_INIT_FAILED;
+ }
+ mmc_simple_cmd(request, MMC_SET_RELATIVE_ADDR, 0, RESPONSE_R6);
+ break;
+
+ case MMC_SET_RELATIVE_ADDR:
+ retval = mmc_unpack_r6(request, &r1, &mmcinfo.rca);
+ mmcinfo.rca = mmcinfo.rca << 16;
+ DEBUG("mmc_init_card_state: Get RCA from SD: 0x%04x Status: %x", mmcinfo.rca, r1.status);
+ if (retval)
+ {
+ DEBUG("mmc_init_card_state: unable to SET_RELATIVE_ADDR error=%d",
+ retval);
+ return MMC_INIT_FAILED;
+ }
+
+ mmc_simple_cmd(request, MMC_SEND_CSD, mmcinfo.rca, RESPONSE_R2_CSD);
+ break;
+
+ case MMC_SEND_CSD:
+ retval = mmc_unpack_csd(request, &mmcinfo.csd);
+
+ DEBUG("SD card is ready");
+
+ /*FIXME:ignore CRC error for CMD2/CMD9/CMD10 */
+ if (retval && (retval != MMC_ERROR_CRC))
+ {
+ DEBUG("mmc_init_card_state: unable to SEND_CSD error=%d",
+ retval);
+ return MMC_INIT_FAILED;
+ }
+ mmc_configure_card();
+ return MMC_INIT_PASSED;
+
+ default:
+ DEBUG("mmc_init_card_state: error! Illegal last cmd %d", request->cmd);
+ return MMC_INIT_FAILED;
+ }
+
+ return MMC_INIT_DOING;
+}
+
+static int mmc_sd_switch(struct mmc_request *request, int mode, int group,
+ unsigned char value, unsigned char * resp)
+{
+ unsigned int arg;
+
+ mode = !!mode;
+ value &= 0xF;
+ arg = (mode << 31 | 0x00FFFFFF);
+ arg &= ~(0xF << (group * 4));
+ arg |= value << (group * 4);
+ mmc_send_cmd(request, 6, arg, 1, 64, RESPONSE_R1, resp);
+
+ return 0;
+}
+
+/*
+ * Fetches and decodes switch information
+ */
+static int mmc_read_switch(struct mmc_request *request)
+{
+ unsigned int status[64 / 4];
+
+ memset((unsigned char *)status, 0, 64);
+ mmc_sd_switch(request, 0, 0, 1, (unsigned char*) status);
+
+ if (((unsigned char *)status)[13] & 0x02)
+ return 0;
+ else
+ return 1;
+}
+
+/*
+ * Test if the card supports high-speed mode and, if so, switch to it.
+ */
+static int mmc_switch_hs(struct mmc_request *request)
+{
+ unsigned int status[64 / 4];
+
+ mmc_sd_switch(request, 1, 0, 1, (unsigned char*) status);
+ return 0;
+}
+
+int mmc_select_card(void)
+{
+ struct mmc_request request;
+ struct mmc_response_r1 r1;
+ int retval;
+
+ mmc_simple_cmd(&request, MMC_SELECT_CARD, mmcinfo.rca,
+ RESPONSE_R1B);
+ retval = mmc_unpack_r1(&request, &r1);
+ if (retval)
+ return retval;
+
+ if (sd2_0)
+ {
+ retval = mmc_read_switch(&request);
+ if (!retval)
+ {
+ mmc_switch_hs(&request);
+ jz_mmc_set_clock(1, SD_CLOCK_HIGH);
+ }
+ }
+ num_6 = 3;
+ mmc_simple_cmd(&request, MMC_APP_CMD, mmcinfo.rca,
+ RESPONSE_R1);
+ retval = mmc_unpack_r1(&request, &r1);
+ if (retval)
+ return retval;
+ mmc_simple_cmd(&request, SET_BUS_WIDTH, 2, RESPONSE_R1);
+ retval = mmc_unpack_r1(&request, &r1);
+ if (retval)
+ return retval;
+
+ return retval;
+}
+
+int sd_init(void)
+{
+ int retval;
+ static bool inited = false;
+ struct mmc_request init_req;
if(!inited)
{
jz_mmc_hardware_init();
wakeup_init(&sd_wakeup);
+ num_6 = 0;
inited = true;
}
- struct mmc_request test;
- //mmc_send_cmd(&test, MMC_CIM_RESET, 0, 0, 0, RESPONSE_NONE, NULL);
- mmc_send_cmd(&test, MMC_GO_IDLE_STATE, 0, 0, 0, RESPONSE_NONE, NULL);
- mmc_send_cmd(&test, SD_SEND_OP_COND, MMC_OCR_ARG, 0, 0, RESPONSE_R3, NULL);
+ mmc_send_cmd(&init_req, MMC_CIM_RESET, 0, 0, 0, RESPONSE_NONE, NULL);
+ mmc_send_cmd(&init_req, SD_GO_IDLE_STATE, 0, 0, 0, RESPONSE_NONE, NULL);
- return 0;
+ while ((retval = mmc_init_card_state(&init_req)) == MMC_INIT_DOING);
+
+ if (retval == MMC_INIT_PASSED)
+ return mmc_select_card();
+ else
+ return -1;
}
bool card_detect_target(void)
@@ -1115,27 +1668,150 @@ void card_enable_monitoring_target(bool on)
/* TODO */
tCardInfo* card_get_info_target(int card_no)
{
+ (void)card_no;
+ int i, temp;
static tCardInfo card;
+ static const char mantissa[] = { /* *10 */
+ 0, 10, 12, 13, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 70, 80 };
+ static const int exponent[] = { /* use varies */
+ 1,10,100,1000,10000,100000,1000000,10000000,100000000,1000000000 };
+
+ card.initialized = true;
+ card.ocr = 0;
+ for(i=0; i<4; i++)
+ card.csd[i] = (*((unsigned long*)&mmcinfo.csd+4*i));
+ for(i=0; i<4; i++)
+ card.cid[i] = (*((unsigned long*)&mmcinfo.cid+4*i));
+ temp = card_extract_bits(card.csd, 29, 3);
+ card.speed = mantissa[card_extract_bits(card.csd, 25, 4)]
+ * exponent[temp > 2 ? 7 : temp + 4];
+ card.nsac = 100 * card_extract_bits(card.csd, 16, 8);
+ temp = card_extract_bits(card.csd, 13, 3);
+ card.tsac = mantissa[card_extract_bits(card.csd, 9, 4)]
+ * exponent[temp] / 10;
+ card.numblocks = mmcinfo.block_num;
+ card.blocksize = mmcinfo.block_len;
return &card;
}
-/* TODO */
-int _sd_read_sectors(unsigned long start, int count, void* buf)
+int sd_read_sectors(IF_MV2(int drive,) unsigned long start, int count, void* buf)
{
- (void)start;
- (void)count;
- (void)buf;
- return -1;
+ (void)drive;
+ struct mmc_request request;
+ struct mmc_response_r1 r1;
+ int retval;
+
+ if (!card_detect_target() || count == 0 || start > mmcinfo.block_num)
+ return -1;
+
+ mmc_simple_cmd(&request, MMC_SEND_STATUS, mmcinfo.rca, RESPONSE_R1);
+ retval = mmc_unpack_r1(&request, &r1);
+ if (retval && (retval != MMC_ERROR_STATE_MISMATCH))
+ return retval;
+
+ mmc_simple_cmd(&request, MMC_SET_BLOCKLEN, BLOCK_SIZE, RESPONSE_R1);
+ if ((retval = mmc_unpack_r1(&request, &r1)))
+ return retval;
+
+ if (sd2_0)
+ {
+ mmc_send_cmd(&request, MMC_READ_MULTIPLE_BLOCK, start,
+ count, BLOCK_SIZE, RESPONSE_R1, buf);
+ if ((retval = mmc_unpack_r1(&request, &r1)))
+ return retval;
+ }
+ else
+ {
+ mmc_send_cmd(&request, MMC_READ_MULTIPLE_BLOCK,
+ start * BLOCK_SIZE, count,
+ BLOCK_SIZE, RESPONSE_R1, buf);
+ if ((retval = mmc_unpack_r1(&request, &r1)))
+ return retval;
+ }
+
+ last_disk_activity = current_tick;
+
+ mmc_simple_cmd(&request, MMC_STOP_TRANSMISSION, 0, RESPONSE_R1B);
+ if ((retval = mmc_unpack_r1(&request, &r1)))
+ return retval;
+
+ return retval;
}
-/* TODO */
-int _sd_write_sectors(unsigned long start, int count, const void* buf)
+int sd_write_sectors(IF_MV2(int drive,) unsigned long start, int count, const void* buf)
{
- (void)start;
- (void)count;
- (void)buf;
- return -1;
+ (void)drive;
+ struct mmc_request request;
+ struct mmc_response_r1 r1;
+ int retval;
+
+ if (!card_detect_target() || count == 0 || start > mmcinfo.block_num)
+ return -1;
+
+ mmc_simple_cmd(&request, MMC_SEND_STATUS, mmcinfo.rca, RESPONSE_R1);
+ retval = mmc_unpack_r1(&request, &r1);
+ if (retval && (retval != MMC_ERROR_STATE_MISMATCH))
+ return retval;
+
+ mmc_simple_cmd(&request, MMC_SET_BLOCKLEN, BLOCK_SIZE, RESPONSE_R1);
+ if ((retval = mmc_unpack_r1(&request, &r1)))
+ return retval;
+
+ if (sd2_0)
+ {
+ mmc_send_cmd(&request, MMC_WRITE_MULTIPLE_BLOCK, start,
+ count, BLOCK_SIZE, RESPONSE_R1,
+ (void*)buf);
+ if ((retval = mmc_unpack_r1(&request, &r1)))
+ return retval;
+ }
+ else
+ {
+ mmc_send_cmd(&request, MMC_WRITE_MULTIPLE_BLOCK,
+ start * BLOCK_SIZE, count,
+ BLOCK_SIZE, RESPONSE_R1, (void*)buf);
+ if ((retval = mmc_unpack_r1(&request, &r1)))
+ return retval;
+ }
+ mmc_simple_cmd(&request, MMC_STOP_TRANSMISSION, 0, RESPONSE_R1B);
+ if ((retval = mmc_unpack_r1(&request, &r1)))
+ return retval;
+
+ return retval;
+}
+
+void sd_sleep(void)
+{
+}
+
+void sd_spin(void)
+{
+}
+
+long sd_last_disk_activity(void)
+{
+ return last_disk_activity;
+}
+
+void sd_spindown(int seconds)
+{
+ (void)seconds;
+}
+
+#ifdef HAVE_HOTSWAP
+bool sd_removable(IF_MV_NONVOID(int drive))
+{
+ (void)drive;
+ //return true;
+ return false;
+}
+#endif
+
+bool sd_present(IF_MV_NONVOID(int drive))
+{
+ (void)drive;
+ return (mmcinfo.block_num > 0 && card_detect_target());
}
#ifdef STORAGE_GET_INFO
@@ -1149,8 +1825,7 @@ void sd_get_info(IF_MV2(int drive,) struct storage_info *info)
info->product="SD Storage";
/* blocks count */
- /* TODO: proper amount of sectors! */
- info->num_sectors = 0;
- info->sector_size = 512;
+ info->num_sectors = mmcinfo.block_num;
+ info->sector_size = mmcinfo.block_len;
}
#endif