diff options
| -rw-r--r-- | hw/sd/sd.c | 32 | ||||
| -rw-r--r-- | hw/sd/ssi-sd.c | 87 |
2 files changed, 35 insertions, 84 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 069107a2e7..cbcc180f6a 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -734,22 +734,24 @@ static size_t sd_response_size(SDState *sd, sd_rsp_type_t rtype) switch (rtype) { case sd_r1: case sd_r1b: - return 4; + return sd_is_spi(sd) ? 1 : 4; case sd_r2_i: case sd_r2_s: + assert(!sd_is_spi(sd)); return 16; case sd_r3: case sd_r7: - return 4; + return sd_is_spi(sd) ? 5 : 4; case sd_r6: + assert(!sd_is_spi(sd)); return 4; case sd_r0: case sd_illegal: - return 0; + return sd_is_spi(sd) ? 1 : 0; default: g_assert_not_reached(); @@ -758,7 +760,19 @@ static size_t sd_response_size(SDState *sd, sd_rsp_type_t rtype) static void sd_response_r1_make(SDState *sd, uint8_t *response) { - stl_be_p(response, sd->card_status); + if (sd_is_spi(sd)) { + response[0] = sd->state == sd_idle_state + && !FIELD_EX32(sd->ocr, OCR, CARD_POWER_UP); + response[0] |= FIELD_EX32(sd->card_status, CSR, ERASE_RESET) << 1; + response[0] |= FIELD_EX32(sd->card_status, CSR, ILLEGAL_COMMAND) << 2; + response[0] |= FIELD_EX32(sd->card_status, CSR, COM_CRC_ERROR) << 3; + response[0] |= FIELD_EX32(sd->card_status, CSR, ERASE_SEQ_ERROR) << 4; + response[0] |= FIELD_EX32(sd->card_status, CSR, ADDRESS_ERROR) << 5; + response[0] |= FIELD_EX32(sd->card_status, CSR, BLOCK_LEN_ERROR) << 6; + response[0] |= 0 << 7; + } else { + stl_be_p(response, sd->card_status); + } /* Clear the "clear on read" status bits */ sd->card_status &= ~CARD_STATUS_C; @@ -766,6 +780,11 @@ static void sd_response_r1_make(SDState *sd, uint8_t *response) static void sd_response_r3_make(SDState *sd, uint8_t *response) { + if (sd_is_spi(sd)) { + /* Prepend R1 */ + sd_response_r1_make(sd, response); + response++; + } stl_be_p(response, sd->ocr & ACMD41_R3_MASK); } @@ -783,6 +802,11 @@ static void sd_response_r6_make(SDState *sd, uint8_t *response) static void sd_response_r7_make(SDState *sd, uint8_t *response) { + if (sd_is_spi(sd)) { + /* Prepend R1 */ + sd_response_r1_make(sd, response); + response++; + } stl_be_p(response, sd->vhs); } diff --git a/hw/sd/ssi-sd.c b/hw/sd/ssi-sd.c index 3025f8f15f..2d5c0ad501 100644 --- a/hw/sd/ssi-sd.c +++ b/hw/sd/ssi-sd.c @@ -70,23 +70,6 @@ struct ssi_sd_state { #define TYPE_SSI_SD "ssi-sd" OBJECT_DECLARE_SIMPLE_TYPE(ssi_sd_state, SSI_SD) -/* State word bits. */ -#define SSI_SDR_LOCKED 0x0001 -#define SSI_SDR_WP_ERASE 0x0002 -#define SSI_SDR_ERROR 0x0004 -#define SSI_SDR_CC_ERROR 0x0008 -#define SSI_SDR_ECC_FAILED 0x0010 -#define SSI_SDR_WP_VIOLATION 0x0020 -#define SSI_SDR_ERASE_PARAM 0x0040 -#define SSI_SDR_OUT_OF_RANGE 0x0080 -#define SSI_SDR_IDLE 0x0100 -#define SSI_SDR_ERASE_RESET 0x0200 -#define SSI_SDR_ILLEGAL_COMMAND 0x0400 -#define SSI_SDR_COM_CRC_ERROR 0x0800 -#define SSI_SDR_ERASE_SEQ_ERROR 0x1000 -#define SSI_SDR_ADDRESS_ERROR 0x2000 -#define SSI_SDR_PARAMETER_ERROR 0x4000 - /* multiple block write */ #define SSI_TOKEN_MULTI_WRITE 0xfc /* terminate multiple block write */ @@ -104,7 +87,7 @@ static uint32_t ssi_sd_transfer(SSIPeripheral *dev, uint32_t val) { ssi_sd_state *s = SSI_SD(dev); SDRequest request; - uint8_t longresp[16]; + uint8_t longresp[5]; /* * Special case: allow CMD12 (STOP TRANSMISSION) while reading data. @@ -171,74 +154,18 @@ static uint32_t ssi_sd_transfer(SSIPeripheral *dev, uint32_t val) /* FIXME: Check CRC. */ request.cmd = s->cmd; request.arg = ldl_be_p(s->cmdarg); - DPRINTF("CMD%d arg 0x%08x\n", s->cmd, request.arg); s->arglen = sdbus_do_command(&s->sdbus, &request, longresp, sizeof(longresp)); - if (s->arglen == 0) { - s->arglen = 1; - s->response[0] = 4; - DPRINTF("SD command failed\n"); - } else if (s->cmd == 8 || s->cmd == 58) { - /* CMD8/CMD58 returns R3/R7 response */ - DPRINTF("Returned R3/R7\n"); - s->arglen = 5; - s->response[0] = 1; - memcpy(&s->response[1], longresp, 4); - } else if (s->arglen != 4) { - BADF("Unexpected response to cmd %d\n", s->cmd); - /* Illegal command is about as near as we can get. */ - s->arglen = 1; - s->response[0] = 4; - } else { - /* All other commands return status. */ - uint32_t cardstatus; - uint16_t status; + DPRINTF("CMD%d arg 0x%08x = %d\n", s->cmd, request.arg, s->arglen); + assert(s->arglen > 0); /* CMD13 returns a 2-byte statuse work. Other commands only return the first byte. */ s->arglen = (s->cmd == 13) ? 2 : 1; + memcpy(s->response, longresp, s->arglen); - /* handle R1b */ - if (s->cmd == 28 || s->cmd == 29 || s->cmd == 38) { - s->stopping = 1; - } - - cardstatus = ldl_be_p(longresp); - status = 0; - if (((cardstatus >> 9) & 0xf) < 4) - status |= SSI_SDR_IDLE; - if (cardstatus & ERASE_RESET) - status |= SSI_SDR_ERASE_RESET; - if (cardstatus & ILLEGAL_COMMAND) - status |= SSI_SDR_ILLEGAL_COMMAND; - if (cardstatus & COM_CRC_ERROR) - status |= SSI_SDR_COM_CRC_ERROR; - if (cardstatus & ERASE_SEQ_ERROR) - status |= SSI_SDR_ERASE_SEQ_ERROR; - if (cardstatus & ADDRESS_ERROR) - status |= SSI_SDR_ADDRESS_ERROR; - if (cardstatus & CARD_IS_LOCKED) - status |= SSI_SDR_LOCKED; - if (cardstatus & (LOCK_UNLOCK_FAILED | WP_ERASE_SKIP)) - status |= SSI_SDR_WP_ERASE; - if (cardstatus & SD_ERROR) - status |= SSI_SDR_ERROR; - if (cardstatus & CC_ERROR) - status |= SSI_SDR_CC_ERROR; - if (cardstatus & CARD_ECC_FAILED) - status |= SSI_SDR_ECC_FAILED; - if (cardstatus & WP_VIOLATION) - status |= SSI_SDR_WP_VIOLATION; - if (cardstatus & ERASE_PARAM) - status |= SSI_SDR_ERASE_PARAM; - if (cardstatus & (OUT_OF_RANGE | CID_CSD_OVERWRITE)) - status |= SSI_SDR_OUT_OF_RANGE; - /* ??? Don't know what Parameter Error really means, so - assume it's set if the second byte is nonzero. */ - if (status & 0xff) - status |= SSI_SDR_PARAMETER_ERROR; - s->response[0] = status >> 8; - s->response[1] = status; - DPRINTF("Card status 0x%02x\n", status); + /* handle R1b (busy signal) */ + if (s->cmd == 28 || s->cmd == 29 || s->cmd == 38) { + s->stopping = 1; } s->mode = SSI_SD_PREP_RESP; s->response_pos = 0; |