X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fmmc%2Fmmc_spi.c;h=9032a73d7834754cb5d7a9e9f0a2ecbb7edce7df;hb=725700dcbf8e4fa32e640e9a7c33e84c9940a56a;hp=dc7574cbe5538c4577ca47670839803e8a92448a;hpb=aef293bc85dad4f8d645e46d723606a747236a60;p=u-boot diff --git a/drivers/mmc/mmc_spi.c b/drivers/mmc/mmc_spi.c index dc7574cbe5..9032a73d78 100644 --- a/drivers/mmc/mmc_spi.c +++ b/drivers/mmc/mmc_spi.c @@ -11,7 +11,7 @@ #include #include #include -#include +#include /* MMC/SD in SPI mode reports R1 status always */ #define R1_SPI_IDLE (1 << 0) @@ -91,8 +91,8 @@ static uint mmc_spi_readdata(struct mmc *mmc, void *xbuf, spi_xfer(spi, bsize * 8, NULL, buf, 0); spi_xfer(spi, 2 * 8, NULL, &crc, 0); #ifdef CONFIG_MMC_SPI_CRC_ON - if (swab16(cyg_crc16(buf, bsize)) != crc) { - debug("%s: CRC error\n", mmc->name); + if (be_to_cpu16(cyg_crc16(buf, bsize)) != crc) { + debug("%s: CRC error\n", mmc->cfg->name); r1 = R1_SPI_COM_CRC; break; } @@ -120,7 +120,7 @@ static uint mmc_spi_writedata(struct mmc *mmc, const void *xbuf, tok[1] = multi ? SPI_TOKEN_MULTI_WRITE : SPI_TOKEN_SINGLE; while (bcnt--) { #ifdef CONFIG_MMC_SPI_CRC_ON - crc = swab16(cyg_crc16((u8 *)buf, bsize)); + crc = cpu_to_be16(cyg_crc16((u8 *)buf, bsize)); #endif spi_xfer(spi, 2 * 8, tok, NULL, 0); spi_xfer(spi, bsize * 8, buf, NULL, 0); @@ -176,8 +176,8 @@ static int mmc_spi_request(struct mmc *mmc, struct mmc_cmd *cmd, u8 r1; int i; int ret = 0; - debug("%s:cmd%d %x %x %x\n", __func__, - cmd->cmdidx, cmd->resp_type, cmd->cmdarg, cmd->flags); + debug("%s:cmd%d %x %x\n", __func__, + cmd->cmdidx, cmd->resp_type, cmd->cmdarg); spi_claim_bus(spi); spi_cs_activate(spi); r1 = mmc_spi_sendcmd(mmc, cmd->cmdidx, cmd->cmdarg); @@ -193,7 +193,7 @@ static int mmc_spi_request(struct mmc *mmc, struct mmc_cmd *cmd, } else if (cmd->resp_type == MMC_RSP_R2) { r1 = mmc_spi_readdata(mmc, cmd->response, 1, 16); for (i = 0; i < 4; i++) - cmd->response[i] = swab32(cmd->response[i]); + cmd->response[i] = be32_to_cpu(cmd->response[i]); debug("r128 %x %x %x %x\n", cmd->response[0], cmd->response[1], cmd->response[2], cmd->response[3]); } else if (!data) { @@ -205,9 +205,14 @@ static int mmc_spi_request(struct mmc *mmc, struct mmc_cmd *cmd, case SD_CMD_SEND_IF_COND: case MMC_CMD_SPI_READ_OCR: spi_xfer(spi, 4 * 8, NULL, cmd->response, 0); - cmd->response[0] = swab32(cmd->response[0]); + cmd->response[0] = be32_to_cpu(cmd->response[0]); debug("r32 %x\n", cmd->response[0]); break; + case MMC_CMD_SEND_STATUS: + spi_xfer(spi, 1 * 8, NULL, cmd->response, 0); + cmd->response[0] = (cmd->response[0] & 0xff) ? + MMC_STATUS_ERROR : MMC_STATUS_RDY_FOR_DATA; + break; } } else { debug("%s:data %x %x %x\n", __func__, @@ -233,6 +238,7 @@ done: static void mmc_spi_set_ios(struct mmc *mmc) { struct spi_slave *spi = mmc->priv; + debug("%s: clock %u\n", __func__, mmc->clock); if (mmc->clock) spi_set_speed(spi, mmc->clock); @@ -241,7 +247,6 @@ static void mmc_spi_set_ios(struct mmc *mmc) static int mmc_spi_init_p(struct mmc *mmc) { struct spi_slave *spi = mmc->priv; - mmc->clock = 0; spi_set_speed(spi, MMC_SPI_MIN_CLOCK); spi_claim_bus(spi); /* cs deactivated for 100+ clock */ @@ -250,31 +255,37 @@ static int mmc_spi_init_p(struct mmc *mmc) return 0; } +static const struct mmc_ops mmc_spi_ops = { + .send_cmd = mmc_spi_request, + .set_ios = mmc_spi_set_ios, + .init = mmc_spi_init_p, +}; + +static struct mmc_config mmc_spi_cfg = { + .name = "MMC_SPI", + .ops = &mmc_spi_ops, + .host_caps = MMC_MODE_SPI, + .voltages = MMC_SPI_VOLTAGE, + .f_min = MMC_SPI_MIN_CLOCK, + .part_type = PART_TYPE_DOS, + .b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT, +}; + struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode) { struct mmc *mmc; + struct spi_slave *spi; - mmc = malloc(sizeof(*mmc)); - if (!mmc) - return NULL; - memset(mmc, 0, sizeof(*mmc)); - mmc->priv = spi_setup_slave(bus, cs, speed, mode); - if (!mmc->priv) { - free(mmc); + spi = spi_setup_slave(bus, cs, speed, mode); + if (spi == NULL) return NULL; - } - sprintf(mmc->name, "MMC_SPI"); - mmc->send_cmd = mmc_spi_request; - mmc->set_ios = mmc_spi_set_ios; - mmc->init = mmc_spi_init_p; - mmc->host_caps = MMC_MODE_SPI; - - mmc->voltages = MMC_SPI_VOLTAGE; - mmc->f_max = speed; - mmc->f_min = MMC_SPI_MIN_CLOCK; - mmc->block_dev.part_type = PART_TYPE_DOS; - mmc_register(mmc); + mmc_spi_cfg.f_max = speed; + mmc = mmc_create(&mmc_spi_cfg, spi); + if (mmc == NULL) { + spi_free_slave(spi); + return NULL; + } return mmc; }