static size_t sd_readDirect(struct KBlock *b, block_idx_t idx, void *buf, size_t offset, size_t size)
{
+
Sd *sd = SD_CAST(b);
LOG_INFO("reading from block %ld, offset %d, size %d\n", idx, offset, size);
DB(sd->b.priv.type = KBT_SD);
sd->ch = ch;
+
+#if CPU_CM3_SAM3X8
+
+ /* Wait a few moments for supply voltage to stabilize */
+ timer_delay(SD_START_DELAY);
+
+ sd_sendInit();
+ sd_goIdle();
+
+ sd_sendIfCond(sd);
+
+ ticks_t start = timer_clock();
+ bool sd_power_on = false;
+ do
+ {
+ if (!sd_sendAppOpCond(sd))
+ {
+ sd_power_on = true;
+ break;
+ }
+ cpu_relax();
+ }
+ while (timer_clock() - start < SD_INIT_TIMEOUT);
+
+
+ if (sd_power_on)
+ {
+
+ if(!sd_getCid(sd, 0, SD_SEND_ALL_CID))
+ {
+ sd_dumpCid(sd);
+ }
+
+ if (!sd_getRelativeAddr(sd))
+ {
+ LOG_INFO("RCA: %0lx\n", sd->addr);
+ }
+
+
+ if (!sd_getCsd(sd))
+ {
+ sd_dumpCsd(sd);
+ }
+
+ if (!sd_appStatus(sd))
+ {
+ LOG_INFO("STATUS: %ld\n", sd->status);
+ }
+
+ if (sd->status & SD_CARD_IS_LOCKED)
+ {
+ LOG_INFO("SD is locked!\n");
+ }
+ else if (sd->status & SD_READY_FOR_DATA)
+ {
+ sd_selectCard(sd);
+ sd_set_BlockLen(sd, SD_DEFAULT_BLOCKLEN);
+ sd_setBus4bit(sd);
+ sd_setHightSpeed(sd);
+ sd_deSelectCard(sd);
+ }
+
+ }
+#else
SD_CS_INIT();
SD_CS_OFF();
sd->b.blk_size = SD_DEFAULT_BLOCKLEN;
sd->b.blk_cnt = csd.block_num * (csd.block_len / SD_DEFAULT_BLOCKLEN);
LOG_INFO("blk_size %d, blk_cnt %ld\n", sd->b.blk_size, sd->b.blk_cnt);
+#endif
#if CONFIG_SD_AUTOASSIGN_FAT
disk_assignDrive(&sd->b, 0);
/* OCR bit definitions */
#define SD_OCR_S18R (1 << 24) /* 1.8V switching request */
-#define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */
+#define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */
#define SD_OCR_XPC (1 << 28) /* SDXC power control */
/*
#define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */
#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00-3.0X */
-#define UNSTUFF_BITS(resp, start, size) \
- ({ \
- const uint32_t __size = size; \
- const uint32_t __mask = (__size < 32 ? 1 << __size : 0) - 1; \
- const uint32_t __off = 3 - ((start) / 32); \
- const uint32_t __shft = (start) & 31; \
- uint32_t __res; \
- \
- __res = resp[__off] >> __shft; \
- if (__size + __shft > 32) \
- __res |= resp[__off-1] << ((32 - __shft) % 32); \
- __res & __mask; \
- })
-
#define SD_ADDR_TO_RCA(addr) (uint32_t)(((addr) << 16) & 0xFFFF0000)
+#define SD_GET_STATE(status) (uint8_t)(((status) & SD_STATUS_CURR_MASK) >> SD_STATUS_CURR_SHIFT)
+
+#define SD_STATUS_APP_CMD BV(5)
+#define SD_STATUS_READY BV(8)
+#define SD_STATUS_CURR_MASK 0x1E00
+#define SD_STATUS_CURR_SHIFT 9
-#define BCD_TO_INT_32BIT(bcd) ((uint32_t )((bcd) & 0xf) * 1 + \
- (((bcd) >> 4) & 0xf) * 10 + \
- (((bcd) >> 8) & 0xf) * 100 + \
- (((bcd) >> 12) & 0xf) * 1000 + \
- (((bcd) >> 16) & 0xf) * 10000 + \
- (((bcd) >> 20) & 0xf) * 100000 + \
- (((bcd) >> 24) & 0xf) * 1000000 + \
- (((bcd) >> 28) & 0xf) * 10000000) \
LOG_INFOB(
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)
{
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:
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);
(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);
}
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);
}
-int sd_sendIfCond(void)
+int sd_sendIfCond(Sd *sd)
{
if (hsmci_sendCmd(8, CMD8_V_RANGE_27V_36V, HSMCI_CMDR_RSPTYP_48_BIT))
{
LOG_ERR("IF_COND %lx\n", HSMCI_SR);
return -1;
}
- else
+ hsmci_readResp(&(sd->status), 1);
+ if (((sd->status) & 0xFFF) == CMD8_V_RANGE_27V_36V)
{
- uint32_t r = HSMCI_RSPR;
- if ((r & 0xFFF) == CMD8_V_RANGE_27V_36V)
- {
- LOG_INFO("IF_COND: %lx\n", r);
- return 0;
- }
- LOG_ERR("IF_COND: %lx\n", r);
+ LOG_INFO("IF_COND: %lx\n", (sd->status));
+ return 0;
}
+ LOG_ERR("IF_COND: %lx\n", (sd->status));
+
return -1;
}
-int sd_sendAppOpCond(void)
+int sd_sendAppOpCond(Sd *sd)
{
if (hsmci_sendCmd(55, 0, HSMCI_CMDR_RSPTYP_48_BIT))
{
LOG_ERR("APP_CMD %lx\n", HSMCI_SR);
return -1;
}
- else
- {
- LOG_INFO("APP_CMD %lx\n", HSMCI_RSPR);
- }
- if (hsmci_sendCmd(41, SD_HOST_VOLTAGE_RANGE | SD_OCR_CCS, HSMCI_CMDR_RSPTYP_48_BIT))// se cmd 8 va ok.
- {
- LOG_ERR("APP_OP_COND %lx\n", HSMCI_SR);
- return -1;
- }
- else
+ hsmci_readResp(&(sd->status), 1);
+ if ((sd->status) & (SD_STATUS_APP_CMD | SD_STATUS_READY))
{
- uint32_t status = HSMCI_RSPR;
- if (status & SD_OCR_BUSY)
+ if (hsmci_sendCmd(41, SD_HOST_VOLTAGE_RANGE | SD_OCR_CCS, HSMCI_CMDR_RSPTYP_48_BIT))// se cmd 8 va ok.
{
- LOG_INFO("SD power up! Hight Capability [%d]\n", (bool)(status & SD_OCR_CCS));
- return 0;
+ LOG_ERR("APP_OP_COND %lx\n", HSMCI_SR);
+ return -1;
}
+ else
+ {
+ hsmci_readResp(&(sd->status), 1);
+ if ((sd->status) & SD_OCR_BUSY)
+ {
+ LOG_INFO("SD power up! Hight Capability [%d]\n", (bool)((sd->status) & SD_OCR_CCS));
+ return 0;
+ }
- LOG_ERR("sd not ready.\n");
+ LOG_ERR("sd not ready.\n");
+ }
}
return -1;
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;
}
-#define SD_STATUS_APP_CMD BV(5)
-#define SD_STATUS_READY BV(8)
-#define SD_STATUS_CURR_MASK 0x1E00
-#define SD_STATUS_CURR_SHIFT 9
-
-#define SD_GET_STATE(status) (uint8_t)(((status) & SD_STATUS_CURR_MASK) >> SD_STATUS_CURR_SHIFT)
-
int sd_appStatus(Sd *sd)
{
ASSERT(sd);
}
-INLINE int sd_cardSelection(Sd *sd, size_t rca)
+INLINE int sd_cardSelection(Sd *sd, uint32_t rca)
{
ASSERT(sd);
- LOG_INFO("Select RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr));
+ LOG_INFO("Select RCA: %lx\n", rca);
if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_R1B))
{
LOG_ERR("SELECT_SD: %lx\n", HSMCI_SR);
int sd_selectCard(Sd *sd)
{
- return sd_cardSelection(sd, SD_ADDR_TO_RCA(sd->addr));
+ ASSERT(sd);
+ uint32_t rca = SD_ADDR_TO_RCA(sd->addr);
+ LOG_INFO("Select RCA: %lx\n", rca);
+ if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_R1B))
+ {
+ LOG_ERR("SELECT_SD: %lx\n", HSMCI_SR);
+ return -1;
+ }
+
+ HSMCI_CHECK_BUSY();
+ hsmci_readResp(&(sd->status), 1);
+
+ LOG_INFOB(dump("SELECT_SD", &(sd->status), 1););
+ LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
+
+ if (sd->status & SD_STATUS_READY)
+ return 0;
+
+ return -1;
}
int sd_deSelectCard(Sd *sd)
{
+ ASSERT(sd);
+
uint32_t rca = 0;
if (!sd->addr)
rca = SD_ADDR_TO_RCA(sd->addr + 1);
- return sd_cardSelection(sd, rca);
+ LOG_INFO("Select RCA: %lx\n", rca);
+
+ if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_NORESP))
+ {
+ LOG_ERR("DESELECT_SD: %lx\n", HSMCI_SR);
+ return -1;
+ }
+
+ return 0;
+
}
return -1;
}
- uint32_t status = HSMCI_RSPR;
- if (status & (SD_STATUS_APP_CMD | SD_STATUS_READY))
+ hsmci_readResp(&(sd->status), 1);
+ if ((sd->status) & (SD_STATUS_APP_CMD | SD_STATUS_READY))
{
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));
return 0;
}
- LOG_ERR("SET_BUS_WIDTH REP %lx\n", status);
+ LOG_ERR("SET_BUS_WIDTH REP %lx\n", (sd->status));
return -1;
}
}
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));
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);
- hsmci_setBlkSize(sd->csd.blk_len);
+ 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;
+ }
- if (hsmci_sendCmd(17, index * sd->csd.blk_len, HSMCI_CMDR_RSPTYP_48_BIT))
+ 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_prgRxDMA(buf, words, sd->csd.blk_len);
+
+ 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();
+ return words;
+ }
+
+ return -1;
+}
+
+
+int sd_writeSingleBlock(Sd *sd, size_t index, uint32_t *buf, size_t words)
+{
+ ASSERT(sd);
+ ASSERT(buf);
+
+ hsmci_prgTxDMA(buf, words, sd->csd.blk_len);
+
+ if (hsmci_sendCmd(24, index * sd->csd.blk_len, HSMCI_CMDR_RSPTYP_48_BIT |
+ HSMCI_CMDR_TRCMD_START_DATA | HSMCI_CMDR_TRTYP_SINGLE))
+ {
+ LOG_ERR("SIGLE_BLK_WRITE: %lx\n", HSMCI_SR);
+ return -1;
+ }
+ hsmci_readResp(&(sd->status), 1);
+
+ LOG_INFOB(dump("SIGLE_BLK_WR", &(sd->status), 1););
+ LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
+
+ if (sd->status & SD_STATUS_READY)
+ {
+ hsmci_waitTransfer();
+ return words;
}
return -1;
}
+
+void sd_setHightSpeed(Sd *sd)
+{
+ (void)sd;
+ hsmci_setSpeed(2100000, true);
+}
+
+
#endif
projects / bertos.git / blobdiff