X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fdrv%2Fsd.c;h=820873eda9478a27cf6fcbcf1b1fbe6804c8655e;hb=976d522209efc4c11a019ae6b34657b6b3f59ba0;hp=c2e412e5bbc5b270314c6f774e69bd98e0ce6cda;hpb=00c781cc0031e8a1498deba8a6a8e356c923fbe8;p=bertos.git diff --git a/bertos/drv/sd.c b/bertos/drv/sd.c index c2e412e5..820873ed 100644 --- a/bertos/drv/sd.c +++ b/bertos/drv/sd.c @@ -37,293 +37,20 @@ #include "sd.h" #include "hw/hw_sd.h" -#include -#include -#include - -#include - #include "cfg/cfg_sd.h" #define LOG_LEVEL SD_LOG_LEVEL #define LOG_FORMAT SD_LOG_FORMAT #include -#include - -#include /* memset */ - -/** - * Card Specific Data - * read directly from the card. - */ -typedef struct CardCSD -{ - uint16_t block_len; ///< Length of a block - uint32_t block_num; ///< Number of block on the card - uint16_t capacity; ///< Card capacity in MB -} CardCSD; - -#define SD_IN_IDLE 0x01 -#define SD_STARTTOKEN 0xFE - -#define TIMEOUT_NAC 16384 -#define SD_DEFAULT_BLOCKLEN 512 - -#define SD_BUSY_TIMEOUT ms_to_ticks(200) - -static bool sd_select(Sd *sd, bool state) -{ - KFile *fd = sd->ch; - - if (state) - { - SD_CS_ON(); - - ticks_t start = timer_clock(); - do - { - if (kfile_getc(fd) == 0xff) - return true; - - cpu_relax(); - } - while (timer_clock() - start < SD_BUSY_TIMEOUT); - - SD_CS_OFF(); - LOG_ERR("sd_select timeout\n"); - return false; - } - else - { - kfile_putc(0xff, fd); - kfile_flush(fd); - SD_CS_OFF(); - return true; - } -} - -static int16_t sd_waitR1(Sd *sd) -{ - uint8_t datain; - - for (int i = 0; i < TIMEOUT_NAC; i++) - { - datain = kfile_getc(sd->ch); - if (datain != 0xff) - return (int16_t)datain; - } - LOG_ERR("Timeout waiting R1\n"); - return EOF; -} - -static int16_t sd_sendCommand(Sd *sd, uint8_t cmd, uint32_t param, uint8_t crc) -{ - KFile *fd = sd->ch; - /* The 7th bit of command must be a 1 */ - kfile_putc(cmd | 0x40, fd); - - /* send parameter */ - kfile_putc((param >> 24) & 0xFF, fd); - kfile_putc((param >> 16) & 0xFF, fd); - kfile_putc((param >> 8) & 0xFF, fd); - kfile_putc((param) & 0xFF, fd); - - kfile_putc(crc, fd); - - return sd_waitR1(sd); -} - -static bool sd_getBlock(Sd *sd, void *buf, size_t len) -{ - uint8_t token; - uint16_t crc; - - KFile *fd = sd->ch; - - for (int i = 0; i < TIMEOUT_NAC; i++) - { - token = kfile_getc(fd); - if (token != 0xff) - { - if (token == SD_STARTTOKEN) - { - if (kfile_read(fd, buf, len) == len) - { - if (kfile_read(fd, &crc, sizeof(crc)) == sizeof(crc)) - /* check CRC here if needed */ - return true; - else - LOG_ERR("get_block error getting crc\n"); - } - else - LOG_ERR("get_block len error: %d\n", (int)len); - } - else - LOG_ERR("get_block token error: %02X\n", token); - - return false; - } - } - - LOG_ERR("get_block timeout waiting token\n"); - return false; -} - -#define SD_SELECT(sd) \ -do \ -{ \ - if (!sd_select((sd), true)) \ - { \ - LOG_ERR("%s failed, card busy\n", __func__); \ - return EOF; \ - } \ -} \ -while (0) - -#define SD_SETBLOCKLEN 0x50 - -static int16_t sd_setBlockLen(Sd *sd, uint32_t newlen) -{ - SD_SELECT(sd); - - sd->r1 = sd_sendCommand(sd, SD_SETBLOCKLEN, newlen, 0); - - sd_select(sd, false); - return sd->r1; -} - -#define SD_SEND_CSD 0x49 - -static int16_t sd_getCSD(Sd *sd, CardCSD *csd) -{ - SD_SELECT(sd); - - int16_t r1 = sd_sendCommand(sd, SD_SEND_CSD, 0, 0); - - if (r1) - { - LOG_ERR("send_csd failed: %04X\n", sd->r1); - sd_select(sd, false); - return r1; - } - - uint8_t buf[16]; - bool res = sd_getBlock(sd, buf, sizeof(buf)); - sd_select(sd, false); - - if (res) - { - #if LOG_LEVEL >= LOG_LVL_INFO - LOG_INFO("CSD: ["); - for (int i = 0; i < 16; i++) - kprintf("%02X ", buf[i]); - kprintf("]\n"); - #endif - - uint16_t mult = (1L << ((((buf[9] & 0x03) << 1) | ((buf[10] & 0x80) >> 7)) + 2)); - uint16_t c_size = (((uint16_t)(buf[6] & 0x03)) << 10) | (((uint16_t)buf[7]) << 2) | - (((uint16_t)(buf[8] & 0xC0)) >> 6); - - csd->block_len = (1L << (buf[5] & 0x0F)); - csd->block_num = (c_size + 1) * mult; - csd->capacity = (csd->block_len * csd->block_num) >> 20; // in MB - - LOG_INFO("block_len %d bytes, block_num %ld, total capacity %dMB\n", csd->block_len, csd->block_num, csd->capacity); - return 0; - } - else - return EOF; -} - - -#define SD_READ_SINGLEBLOCK 0x51 - -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); - - if (sd->tranfer_len != size) - { - if ((sd->r1 = sd_setBlockLen(sd, size))) - { - LOG_ERR("setBlockLen failed: %04X\n", sd->r1); - return 0; - } - sd->tranfer_len = size; - } - - SD_SELECT(sd); - - sd->r1 = sd_sendCommand(sd, SD_READ_SINGLEBLOCK, idx * SD_DEFAULT_BLOCKLEN + offset, 0); - - if (sd->r1) - { - LOG_ERR("read single block failed: %04X\n", sd->r1); - sd_select(sd, false); - return 0; - } - - bool res = sd_getBlock(sd, buf, size); - sd_select(sd, false); - if (!res) - { - LOG_ERR("read single block failed reading data\n"); - return 0; - } - else - return size; -} - -#define SD_WRITE_SINGLEBLOCK 0x58 -#define SD_DATA_ACCEPTED 0x05 - -static size_t sd_writeDirect(KBlock *b, block_idx_t idx, const void *buf, size_t offset, size_t size) -{ - Sd *sd = SD_CAST(b); - KFile *fd = sd->ch; - ASSERT(offset == 0); - ASSERT(size == SD_DEFAULT_BLOCKLEN); - - LOG_INFO("writing block %ld\n", idx); - if (sd->tranfer_len != SD_DEFAULT_BLOCKLEN) - { - if ((sd->r1 = sd_setBlockLen(sd, SD_DEFAULT_BLOCKLEN))) - { - LOG_ERR("setBlockLen failed: %04X\n", sd->r1); - return 0; - } - sd->tranfer_len = SD_DEFAULT_BLOCKLEN; - } - - SD_SELECT(sd); - sd->r1 = sd_sendCommand(sd, SD_WRITE_SINGLEBLOCK, idx * SD_DEFAULT_BLOCKLEN, 0); - - if (sd->r1) - { - LOG_ERR("write single block failed: %04X\n", sd->r1); - sd_select(sd, false); - return 0; - } - - kfile_putc(SD_STARTTOKEN, fd); - kfile_write(fd, buf, SD_DEFAULT_BLOCKLEN); - /* send fake crc */ - kfile_putc(0, fd); - kfile_putc(0, fd); +#include - uint8_t dataresp = kfile_getc(fd); - sd_select(sd, false); +#include - if ((dataresp & 0x1f) != SD_DATA_ACCEPTED) - { - LOG_ERR("write block %ld failed: %02X\n", idx, dataresp); - return EOF; - } - return SD_DEFAULT_BLOCKLEN; -} +#ifdef SD_INCLUDE_SPI_SOURCE + #include +#endif void sd_writeTest(Sd *sd) { @@ -332,16 +59,15 @@ void sd_writeTest(Sd *sd) for (block_idx_t i = 0; i < sd->b.blk_cnt; i++) { - LOG_INFO("writing block %ld: %s\n", i, (sd_writeDirect(&sd->b, i, buf, 0, SD_DEFAULT_BLOCKLEN) == SD_DEFAULT_BLOCKLEN) ? "OK" : "FAIL"); + LOG_INFO("writing block %ld: %s\n", i, (kblock_read(&sd->b, i, buf, 0, SD_DEFAULT_BLOCKLEN) == SD_DEFAULT_BLOCKLEN) ? "OK" : "FAIL"); } } - bool sd_test(Sd *sd) { uint8_t buf[SD_DEFAULT_BLOCKLEN]; - if (sd_readDirect(&sd->b, 0, buf, 0, sd->b.blk_size) != sd->b.blk_size) + if (kblock_read(&sd->b, 0, buf, 0, sd->b.blk_size) != sd->b.blk_size) return false; kputchar('\n'); @@ -353,11 +79,11 @@ bool sd_test(Sd *sd) kputchar('\n'); } - if (sd_writeDirect(&sd->b, 0, buf, 0, SD_DEFAULT_BLOCKLEN) != SD_DEFAULT_BLOCKLEN) + if (kblock_write(&sd->b, 0, buf, 0, SD_DEFAULT_BLOCKLEN) != SD_DEFAULT_BLOCKLEN) return false; memset(buf, 0, sizeof(buf)); - if (sd_readDirect(&sd->b, 0, buf, 0, sd->b.blk_size) != sd->b.blk_size) + if (kblock_read(&sd->b, 0, buf, 0, sd->b.blk_size) != sd->b.blk_size) return false; kputchar('\n'); @@ -372,680 +98,5 @@ bool sd_test(Sd *sd) return true; } -static int sd_error(KBlock *b) -{ - Sd *sd = SD_CAST(b); - return sd->r1; -} - -static void sd_clearerr(KBlock *b) -{ - Sd *sd = SD_CAST(b); - sd->r1 = 0; -} - -static const KBlockVTable sd_unbuffered_vt = -{ - .readDirect = sd_readDirect, - .writeDirect = sd_writeDirect, - - .error = sd_error, - .clearerr = sd_clearerr, -}; - -static const KBlockVTable sd_buffered_vt = -{ - .readDirect = sd_readDirect, - .writeDirect = sd_writeDirect, - - .readBuf = kblock_swReadBuf, - .writeBuf = kblock_swWriteBuf, - .load = kblock_swLoad, - .store = kblock_swStore, - - .error = sd_error, - .clearerr = sd_clearerr, -}; - -#define SD_GO_IDLE_STATE 0x40 -#define SD_GO_IDLE_STATE_CRC 0x95 -#define SD_SEND_OP_COND 0x41 -#define SD_SEND_OP_COND_CRC 0xF9 - -#define SD_START_DELAY 10 -#define SD_INIT_TIMEOUT ms_to_ticks(2000) -#define SD_IDLE_RETRIES 4 - -static bool sd_blockInit(Sd *sd, KFile *ch) -{ - ASSERT(sd); - ASSERT(ch); - memset(sd, 0, sizeof(*sd)); - DB(sd->b.priv.type = KBT_SD); - sd->ch = ch; - - SD_CS_INIT(); - SD_CS_OFF(); - - /* Wait a few moments for supply voltage to stabilize */ - timer_delay(SD_START_DELAY); - - /* Give 80 clk pulses to wake up the card */ - for (int i = 0; i < 10; i++) - kfile_putc(0xff, ch); - kfile_flush(ch); - - for (int i = 0; i < SD_IDLE_RETRIES; i++) - { - SD_SELECT(sd); - sd->r1 = sd_sendCommand(sd, SD_GO_IDLE_STATE, 0, SD_GO_IDLE_STATE_CRC); - sd_select(sd, false); - - if (sd->r1 == SD_IN_IDLE) - break; - } - - if (sd->r1 != SD_IN_IDLE) - { - LOG_ERR("go_idle_state failed: %04X\n", sd->r1); - return false; - } - - ticks_t start = timer_clock(); - - /* Wait for card to start */ - do - { - SD_SELECT(sd); - sd->r1 = sd_sendCommand(sd, SD_SEND_OP_COND, 0, SD_SEND_OP_COND_CRC); - sd_select(sd, false); - cpu_relax(); - } - while (sd->r1 != 0 && timer_clock() - start < SD_INIT_TIMEOUT); - - if (sd->r1) - { - LOG_ERR("send_op_cond failed: %04X\n", sd->r1); - return false; - } - - sd->r1 = sd_setBlockLen(sd, SD_DEFAULT_BLOCKLEN); - sd->tranfer_len = SD_DEFAULT_BLOCKLEN; - - if (sd->r1) - { - LOG_ERR("setBlockLen failed: %04X\n", sd->r1); - return false; - } - - /* Avoid warning for uninitialized csd use (gcc bug?) */ - CardCSD csd = csd; - - sd->r1 = sd_getCSD(sd, &csd); - - if (sd->r1) - { - LOG_ERR("getCSD failed: %04X\n", sd->r1); - return false; - } - - 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); - -#if CONFIG_SD_AUTOASSIGN_FAT - disk_assignDrive(&sd->b, 0); -#endif - - return true; -} - -#if CPU_CM3_SAM3X8 - -#include - -/* SD commands type argument response */ - /* class 0 */ -/* This is basically the same command as for MMC with some quirks. */ -#define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */ -#define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */ -#define SD_SWITCH_VOLTAGE 11 /* ac R1 */ - - /* class 10 */ -#define SD_SWITCH 6 /* adtc [31:0] See below R1 */ - - /* class 5 */ -#define SD_ERASE_WR_BLK_START 32 /* ac [31:0] data addr R1 */ -#define SD_ERASE_WR_BLK_END 33 /* ac [31:0] data addr R1 */ - - /* Application commands */ -#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */ -#define SD_APP_SD_STATUS 13 /* adtc R1 */ -#define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */ -#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */ -#define SD_APP_SEND_SCR 51 /* adtc R1 */ - -/* 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_OCR_XPC (1 << 28) /* SDXC power control */ - -/* - * SD_SWITCH argument format: - * - * [31] Check (0) or switch (1) - * [30:24] Reserved (0) - * [23:20] Function group 6 - * [19:16] Function group 5 - * [15:12] Function group 4 - * [11:8] Function group 3 - * [7:4] Function group 2 - * [3:0] Function group 1 - */ - -/* - * SD_SEND_IF_COND argument format: - * - * [31:12] Reserved (0) - * [11:8] Host Voltage Supply Flags - * [7:0] Check Pattern (0xAA) - */ - -/* - * SCR field definitions - */ - -#define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */ -#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 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) -{ - ASSERT(r); - size_t i; - int j = 0; - kprintf("\n%s [\n", label); - for (i = 0; i < len; i++) - { - if (j == 5) - { - kputs("\n"); - j = 0; - } - kprintf("%08lx ", r[i]); - j++; - } - kprintf("\n] len=%d\n\n", i); -} -) - - -static int sd_decodeCsd(SDcsd *csd, uint32_t *resp, size_t len) -{ - ASSERT(csd); - ASSERT(resp); - ASSERT(len >= 4); - - csd->structure = UNSTUFF_BITS(resp, 126, 2); - csd->ccc = UNSTUFF_BITS(resp, 84, 12); - - - /* - * CSD structure: - * - 0: - * - Version 1.01-1.10 - * - Version 2.00/Standard Capacity - * - 1: - * - Version 2.00/High Capacity - * - >1: not defined. - */ - - if (csd->structure == 0) - { - // (C_size + 1) x 2^(C_SIZE_MUL+2) - csd->blk_num = (1 + UNSTUFF_BITS(resp, 62, 12)) << (UNSTUFF_BITS(resp, 47, 3) + 2); - - csd->read_blk_bits = UNSTUFF_BITS(resp, 80, 4); - csd->write_blk_bits = UNSTUFF_BITS(resp, 22, 4); - - csd->blk_len = 1 << csd->read_blk_bits; - csd->capacity = csd->blk_num * csd->blk_len; - - csd->read_partial = UNSTUFF_BITS(resp, 79, 1); - csd->read_misalign = UNSTUFF_BITS(resp, 77, 1); - - csd->write_misalign = UNSTUFF_BITS(resp, 78, 1); - csd->write_partial = UNSTUFF_BITS(resp, 21, 1); - - if (UNSTUFF_BITS(resp, 46, 1)) - { - csd->erase_size = 1; - } - else if(csd->write_blk_bits >= 9) - { - csd->erase_size = UNSTUFF_BITS(resp, 39, 7) + 1; - csd->erase_size <<= csd->write_blk_bits - 9; - } - - return 0; - } - else if (csd->structure == 1) - { - kprintf("csize %ld\n", UNSTUFF_BITS(resp, 48, 22)); - csd->capacity = (1 + UNSTUFF_BITS(resp, 48, 22)) << 10; - - csd->write_blk_bits = 9; - csd->write_partial = 0; - csd->write_misalign = 0; - - csd->read_blk_bits = 9; - csd->read_partial = 0; - csd->read_misalign = 0; - - csd->erase_size = 1; - // the block size if fixed to 512kb - csd->blk_len = (1 << csd->write_blk_bits) << 10; - - return 0; - } - else - { - kprintf("Unrecognised CSD structure version %d\n", csd->structure); - return -1; - } - - return 0; -} - - -void sd_dumpCsd(Sd *sd) -{ - ASSERT(sd); - - LOG_INFO("VERSION: %d.0\n", sd->csd.structure ? 2 : 1); - LOG_INFO("CARD COMMAND CLASS: %d\n", sd->csd.ccc); - 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); - LOG_INFO("BLK NUM: %ld\n", sd->csd.blk_num); - LOG_INFO("BLK LEN: %ld\n", sd->csd.blk_len); - LOG_INFO("CAPACITY %ld\n", sd->csd.capacity); - LOG_INFO("FLAG Write: WP %d, W MISALIGN %d\n", sd->csd.write_partial, sd->csd.write_misalign); - LOG_INFO("FLAG Read: RP %d, R MISALIGN %d\n", sd->csd.read_partial, sd->csd.read_misalign); - -} - -void sd_dumpCid(Sd *sd) -{ - ASSERT(sd); - - LOG_INFO("MANFID: %d\n", sd->cid.manfid); - LOG_INFO("OEMID: %d\n", sd->cid.oemid); - LOG_INFO("SERIAL: %ld\n", sd->cid.serial); - LOG_INFO("PROD_NAME: %s\n", sd->cid.prod_name); - LOG_INFO("REV: %d.%d\n", sd->cid.m_rev, sd->cid.l_rev); - LOG_INFO("OFF,Y,M: %lx, %ld %ld\n", sd->cid.year_off, (BCD_TO_INT_32BIT(sd->cid.year_off) / 12) + 2000, - (BCD_TO_INT_32BIT(sd->cid.year_off) % 12)); -} - -void sd_sendInit(void) -{ - if (hsmci_sendCmd(0, 0, HSMCI_CMDR_SPCMD_INIT | HSMCI_CMDR_RSPTYP_NORESP)) - LOG_ERR("INIT: %lx\n", HSMCI_SR); -} - - -void sd_goIdle(void) -{ - if (hsmci_sendCmd(0, 0, HSMCI_CMDR_RSPTYP_NORESP)) - LOG_ERR("GO_IDLE: %lx\n", HSMCI_SR); -} - -int sd_sendIfCond(void) -{ - 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 - { - 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); - } - return -1; -} - -int sd_sendAppOpCond(void) -{ - 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 - { - uint32_t status = HSMCI_RSPR; - if (status & SD_OCR_BUSY) - { - LOG_INFO("SD power up! Hight Capability [%d]\n", (bool)(status & SD_OCR_CCS)); - return 0; - } - - LOG_ERR("sd not ready.\n"); - } - - return -1; -} - - -int sd_getCid(Sd *sd, uint32_t addr, uint8_t flag) -{ - ASSERT(sd); - memset(&(sd->cid), 0, sizeof(SDcid)); - - uint8_t idx = 9; // CMD9 get cid from gived sd address (RCA) - if (flag & SD_SEND_ALL_CID) - idx = 2; - - - if (hsmci_sendCmd(idx, SD_ADDR_TO_RCA(addr), HSMCI_CMDR_RSPTYP_136_BIT)) - { - LOG_ERR("GET_CID %lx\n", HSMCI_SR); - return -1; - } - else - { - uint32_t resp[4]; - hsmci_readResp(resp, 4); - LOG_INFOB(dump("CID", resp, 4);); - - sd->cid.manfid = UNSTUFF_BITS(resp, 120, 8); - sd->cid.oemid = UNSTUFF_BITS(resp, 104, 16); - sd->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8); - sd->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8); - sd->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8); - sd->cid.prod_name[3] = UNSTUFF_BITS(resp, 72, 8); - sd->cid.prod_name[4] = UNSTUFF_BITS(resp, 64, 8); - sd->cid.m_rev = UNSTUFF_BITS(resp, 60, 4); - sd->cid.l_rev = UNSTUFF_BITS(resp, 56, 4); - sd->cid.serial = (uint32_t)UNSTUFF_BITS(resp, 24, 32); - sd->cid.year_off = UNSTUFF_BITS(resp, 8, 12); - } - - return 0; -} - -int sd_getCsd(Sd *sd) -{ - ASSERT(sd); - memset(&(sd->csd), 0, sizeof(SDcsd)); - - LOG_INFO("Send to RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr)); - if (hsmci_sendCmd(9, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_136_BIT)) - { - LOG_ERR("GET_CSD %lx\n", HSMCI_SR); - return -1; - } - else - { - uint32_t resp[4]; - hsmci_readResp(resp, 4); - LOG_INFOB(dump("CSD", resp, 4);); - sd_decodeCsd(&(sd->csd), resp, 4); - } - - return 0; -} - -int sd_getRelativeAddr(Sd *sd) -{ - ASSERT(sd); - if (hsmci_sendCmd(3, 0, HSMCI_CMDR_RSPTYP_48_BIT)) - { - 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; - } - - 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); - LOG_INFO("Send to RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr)); - if (hsmci_sendCmd(13, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT)) - { - LOG_ERR("STATUS: %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) - return 0; - - return -1; -} - - -INLINE int sd_cardSelection(Sd *sd, size_t rca) -{ - ASSERT(sd); - LOG_INFO("Select RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr)); - 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_selectCard(Sd *sd) -{ - return sd_cardSelection(sd, SD_ADDR_TO_RCA(sd->addr)); -} - -int sd_deSelectCard(Sd *sd) -{ - uint32_t rca = 0; - if (!sd->addr) - rca = SD_ADDR_TO_RCA(sd->addr + 1); - - return sd_cardSelection(sd, rca); -} - - -int sd_setBusWidth(Sd *sd, size_t len) -{ - ASSERT(sd); - - 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)) - { - hsmci_setBusWidth(len); - - if (hsmci_sendCmd(6, len, 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)); - - if (sd->status & SD_STATUS_READY) - return 0; - } - - LOG_ERR("SET_BUS_WIDTH REP %lx\n", status); - return -1; -} - - -int sd_set_BlockLen(Sd *sd, size_t len) -{ - ASSERT(sd); - - if (hsmci_sendCmd(16, len, HSMCI_CMDR_RSPTYP_48_BIT)) - { - LOG_ERR("SET_BLK_LEN: %lx\n", HSMCI_SR); - 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)); - - sd->csd.blk_len = len; - - if (sd->status & SD_STATUS_READY) - return 0; - - return -1; -} - -int sd_readSingleBlock(Sd *sd, size_t index, void *_buf, size_t len) -{ - ASSERT(sd); - ASSERT(_buf); - ASSERT(!(len % sd->csd.blk_len)); - - uint32_t *buf = (uint32_t *)_buf; - - hsmci_setBlkSize(sd->csd.blk_len); - - if (hsmci_sendCmd(17, index * sd->csd.blk_len, HSMCI_CMDR_RSPTYP_48_BIT)) - { - 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; - } - - return -1; -} - - -#endif - - -bool sd_initUnbuf(Sd *sd, KFile *ch) -{ - if (sd_blockInit(sd, ch)) - { - sd->b.priv.vt = &sd_unbuffered_vt; - return true; - } - else - return false; -} - -static uint8_t sd_buf[SD_DEFAULT_BLOCKLEN]; - -bool sd_initBuf(Sd *sd, KFile *ch) -{ - if (sd_blockInit(sd, ch)) - { - sd->b.priv.buf = sd_buf; - sd->b.priv.flags |= KB_BUFFERED | KB_PARTIAL_WRITE; - sd->b.priv.vt = &sd_buffered_vt; - sd->b.priv.vt->load(&sd->b, 0); - return true; - } - else - return false; -} -