From 5579f0a02cd782e3df7849e2f84640bd1160e232 Mon Sep 17 00:00:00 2001 From: asterix Date: Fri, 2 Sep 2011 16:00:45 +0000 Subject: [PATCH 1/1] Read max data rating of sd. Add fuction to read the SSR sd register. Add read block function. Some fixes. git-svn-id: https://src.develer.com/svnoss/bertos/trunk@5011 38d2e660-2303-0410-9eaa-f027e97ec537 --- bertos/drv/sd.c | 120 ++++++++++++++++++++++++++++++++++++++++-------- bertos/drv/sd.h | 22 +++++++-- 2 files changed, 118 insertions(+), 24 deletions(-) diff --git a/bertos/drv/sd.c b/bertos/drv/sd.c index c2e412e5..a16e7299 100644 --- a/bertos/drv/sd.c +++ b/bertos/drv/sd.c @@ -599,13 +599,22 @@ static void dump(const char *label, uint32_t *r, size_t len) kputs("\n"); j = 0; } - kprintf("%08lx ", r[i]); + kprintf("%08lx", r[i]); j++; } kprintf("\n] len=%d\n\n", i); } ) +static const uint32_t tran_exp[] = { + 10000, 100000, 1000000, 10000000, + 0, 0, 0, 0 +}; + +static const uint8_t tran_mant[] = { + 0, 10, 12, 13, 15, 20, 25, 30, + 35, 40, 45, 50, 55, 60, 70, 80, +}; static int sd_decodeCsd(SDcsd *csd, uint32_t *resp, size_t len) { @@ -616,6 +625,7 @@ static int sd_decodeCsd(SDcsd *csd, uint32_t *resp, size_t len) csd->structure = UNSTUFF_BITS(resp, 126, 2); csd->ccc = UNSTUFF_BITS(resp, 84, 12); + csd->max_data_rate = tran_exp[UNSTUFF_BITS(resp, 96, 3)] * tran_mant[UNSTUFF_BITS(resp, 99, 4)]; /* * CSD structure: @@ -691,6 +701,7 @@ void sd_dumpCsd(Sd *sd) LOG_INFO("VERSION: %d.0\n", sd->csd.structure ? 2 : 1); LOG_INFO("CARD COMMAND CLASS: %d\n", sd->csd.ccc); + LOG_INFO("MAX DATA RATE: %ld\n", sd->csd.max_data_rate); LOG_INFO("WRITE BLK LEN BITS: %ld\n", sd->csd.write_blk_bits); LOG_INFO("READ BLK LEN BITS: %ld\n", sd->csd.read_blk_bits); LOG_INFO("ERASE SIZE: %ld\n", sd->csd.erase_size); @@ -715,8 +726,22 @@ void sd_dumpCid(Sd *sd) (BCD_TO_INT_32BIT(sd->cid.year_off) % 12)); } +void sd_dumpSsr(Sd *sd) +{ + ASSERT(sd); + + LOG_INFO("BUS_WIDTH: %d\n", sd->ssr.bus_width); + LOG_INFO("TYPE: %d\n", sd->ssr.card_type); + LOG_INFO("AU_TYPE: %d\n", sd->ssr.au_size); + LOG_INFO("ERASE_SIZE: %d\n", sd->ssr.erase_size); + LOG_INFO("SPEED_CLASS: %d\n", sd->ssr.speed_class); +} + + void sd_sendInit(void) { + hsmci_init(NULL); //TODO: REMOVE IT! + if (hsmci_sendCmd(0, 0, HSMCI_CMDR_SPCMD_INIT | HSMCI_CMDR_RSPTYP_NORESP)) LOG_ERR("INIT: %lx\n", HSMCI_SR); } @@ -724,6 +749,7 @@ void sd_sendInit(void) void sd_goIdle(void) { + hsmci_setSpeed(HSMCI_INIT_SPEED, false); if (hsmci_sendCmd(0, 0, HSMCI_CMDR_RSPTYP_NORESP)) LOG_ERR("GO_IDLE: %lx\n", HSMCI_SR); } @@ -848,13 +874,11 @@ int sd_getRelativeAddr(Sd *sd) LOG_ERR("RCA: %lx\n", HSMCI_SR); return -1; } - else - { - hsmci_readResp(&sd->addr, 1); - LOG_INFOB(dump("RCA", &sd->addr, 1);); - sd->addr = sd->addr >> 16; - } + hsmci_readResp(&sd->addr, 1); + sd->addr = sd->addr >> 16; + + LOG_INFOB(dump("RCA", &sd->addr, 1);); return 0; } @@ -940,14 +964,17 @@ int sd_setBusWidth(Sd *sd, size_t len) { hsmci_setBusWidth(len); - if (hsmci_sendCmd(6, len, HSMCI_CMDR_RSPTYP_48_BIT)) + uint8_t arg = 0; + if (len == 4) + arg = 2; + + if (hsmci_sendCmd(6, arg, HSMCI_CMDR_RSPTYP_48_BIT)) { LOG_ERR("SET_BUS_WIDTH CMD: %lx\n", HSMCI_SR); return -1; } hsmci_readResp(&(sd->status), 1); - HSMCI_CHECK_BUSY(); LOG_INFOB(dump("SET_BUS_WIDTH", &(sd->status), 1);); LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status)); @@ -972,7 +999,6 @@ int sd_set_BlockLen(Sd *sd, size_t len) } hsmci_readResp(&(sd->status), 1); - HSMCI_CHECK_BUSY(); LOG_INFOB(dump("SET_BLK_LEN", &(sd->status), 1);); LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status)); @@ -985,38 +1011,92 @@ int sd_set_BlockLen(Sd *sd, size_t len) return -1; } -int sd_readSingleBlock(Sd *sd, size_t index, void *_buf, size_t len) +int sd_getStatus(Sd *sd, uint32_t *buf, size_t words) { ASSERT(sd); - ASSERT(_buf); - ASSERT(!(len % sd->csd.blk_len)); - uint32_t *buf = (uint32_t *)_buf; + // Status reply with 512bit data, so the block size in byte is 64 + hsmci_prgRxDMA(buf, words, 64); + + if (hsmci_sendCmd(55, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT)) + { + LOG_ERR("APP_CMD %lx\n", HSMCI_SR); + return -1; + } + + uint32_t status = HSMCI_RSPR; + if (status & (SD_STATUS_APP_CMD | SD_STATUS_READY)) + { + if (hsmci_sendCmd(13, 0, HSMCI_CMDR_RSPTYP_48_BIT | + BV(HSMCI_CMDR_TRDIR) | HSMCI_CMDR_TRCMD_START_DATA | HSMCI_CMDR_TRTYP_SINGLE)) + { + LOG_ERR("STATUS CMD: %lx\n", HSMCI_SR); + return -1; + } + + hsmci_readResp(&(sd->status), 1); + LOG_INFOB(dump("STATUS", &(sd->status), 1);); + LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status)); + + if (sd->status & SD_STATUS_READY) + { + hsmci_waitTransfer(); + + LOG_INFOB(dump("STATUS", buf, words);); + memset(&(sd->ssr), 0, sizeof(SDssr)); + + sd->ssr.bus_width = UNSTUFF_BITS(buf, 510, 2); + sd->ssr.card_type = UNSTUFF_BITS(buf, 480, 16); + sd->ssr.au_size = UNSTUFF_BITS(buf, 432, 8); + sd->ssr.speed_class = UNSTUFF_BITS(buf, 440, 8); + sd->ssr.erase_size = UNSTUFF_BITS(buf, 408, 24); + + return 0; + } + } + + return -1; +} + + + +int sd_readSingleBlock(Sd *sd, size_t index, uint32_t *buf, size_t words) +{ + ASSERT(sd); + ASSERT(buf); - hsmci_setBlkSize(sd->csd.blk_len); + hsmci_prgRxDMA(buf, words, sd->csd.blk_len); - if (hsmci_sendCmd(17, index * sd->csd.blk_len, HSMCI_CMDR_RSPTYP_48_BIT)) + if (hsmci_sendCmd(17, index * sd->csd.blk_len, HSMCI_CMDR_RSPTYP_48_BIT | + BV(HSMCI_CMDR_TRDIR) | HSMCI_CMDR_TRCMD_START_DATA | HSMCI_CMDR_TRTYP_SINGLE)) { LOG_ERR("SIGLE_BLK_READ: %lx\n", HSMCI_SR); return -1; } hsmci_readResp(&(sd->status), 1); - HSMCI_CHECK_BUSY(); LOG_INFOB(dump("SIGLE_BLK_READ", &(sd->status), 1);); LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status)); if (sd->status & SD_STATUS_READY) { - hsmci_read(buf, len / sizeof(uint32_t)); - LOG_INFOB(dump("BLK", buf, 8);); - return len; + hsmci_waitTransfer(); + LOG_INFOB(dump("BLK", buf, words);); + + return words; } return -1; } + +void sd_setHightSpeed(Sd *sd) +{ + hsmci_setSpeed(2100000, true); +} + + #endif diff --git a/bertos/drv/sd.h b/bertos/drv/sd.h index d706038b..813e65a7 100644 --- a/bertos/drv/sd.h +++ b/bertos/drv/sd.h @@ -70,6 +70,7 @@ typedef struct SDcsd uint8_t ccc; ///< Card command classes uint32_t erase_size; ///< The size of an erasable sector, in write block len uint32_t capacity; ///< Card size in byte + uint32_t max_data_rate; ///< Step rate, usec uint32_t blk_len; ///< Block data size len in byte uint32_t blk_num; ///< Number of block in card uint32_t write_blk_bits; ///< Max write block length in bits @@ -80,6 +81,15 @@ typedef struct SDcsd write_misalign:1; } SDcsd; +typedef struct SDssr +{ + uint8_t bus_width; + uint8_t card_type; + uint8_t speed_class; + uint8_t au_size; + uint8_t erase_size; +} SDssr; + #define SD_READY_FOR_DATA BV(8) #define SD_CARD_IS_LOCKED BV(25) @@ -106,6 +116,7 @@ typedef struct Sd #if CPU_CM3_SAM3X8 SDcid cid; SDcsd csd; + SDssr ssr; uint32_t addr; uint32_t status; #endif @@ -120,6 +131,7 @@ bool sd_initBuf(Sd *sd, KFile *ch); void sd_dumpCsd(Sd *sd); void sd_dumpCid(Sd *sd); +void sd_dumpSsr(Sd *sd); void sd_sendInit(void); void sd_goIdle(void); @@ -133,22 +145,24 @@ int sd_getSrc(Sd *sd); int sd_appStatus(Sd *sd); int sd_getRelativeAddr(Sd *sd); +int sd_getStatus(Sd *sd, uint32_t *buf, size_t words); + int sd_selectCard(Sd *sd); int sd_deSelectCard(Sd *sd); int sd_setBusWidth(Sd *sd, size_t len); int sd_set_BlockLen(Sd *sd, size_t len); - -int sd_readSingleBlock(Sd *sd, size_t index, void *_buf, size_t len); +void sd_setHightSpeed(Sd *sd); +int sd_readSingleBlock(Sd *sd, size_t index, uint32_t *buf, size_t words); INLINE int sd_setBus4bit(Sd *sd) { - return sd_setBusWidth(sd, 1); + return sd_setBusWidth(sd, 4); } INLINE int sd_setBus1bit(Sd *sd) { - return sd_setBusWidth(sd, 0); + return sd_setBusWidth(sd, 1); } #endif -- 2.25.1