Re: [SeaBIOS] Failure to detect high-capacity SD card

[Matt DeVillier]

On Fri, Oct 27, 2017 at 7:08 PM, Kevin O'Connor <ke...@koconnor.net> wrote:

> Can you try the two patches below?  (Go back to master, apply the
> first, gather the log, go back to master, apply the second, gather the
> log.)
>
> -Kevin
>

w/patch 1 only: https://paste.ubuntu.com/25833503/

w/patch 2 only: https://paste.ubuntu.com/25833542/



>
>
> ====================== patch 1 =========================
>
> --- a/src/hw/sdcard.c
> +++ b/src/hw/sdcard.c
> @@ -181,7 +181,7 @@ static int
>  sdcard_pio(struct sdhci_s *regs, int cmd, u32 *param)
>  {
>      u32 state = readl(&regs->present_state);
> -    dprintf(9, "sdcard_pio cmd %x %x %x\n", cmd, *param, state);
> +    dprintf(1, "sdcard_pio cmd %x %x %x\n", cmd, *param, state);
>      if ((state & SP_CMD_INHIBIT)
>          || ((cmd & 0x03) == 0x03 && state & SP_DAT_INHIBIT)) {
>          dprintf(1, "sdcard_pio not ready %x\n", state);
> @@ -203,7 +203,7 @@ sdcard_pio(struct sdhci_s *regs, int cmd, u32 *param)
>      writew(&regs->irq_status, SI_CMD_COMPLETE);
>      // Read response
>      memcpy(param, regs->response, sizeof(regs->response));
> -    dprintf(9, "sdcard cmd %x response %x %x %x %x\n"
> +    dprintf(1, "sdcard cmd %x response %x %x %x %x\n"
>              , cmd, param[0], param[1], param[2], param[3]);
>      return 0;
>  }
> @@ -403,7 +403,7 @@ sdcard_card_setup(struct sddrive_s *drive, int volt,
> int prio)
>      param[0] = vrange;
>      ret = sdcard_pio(regs, SC_SEND_IF_COND, param);
>      if (!ret && param[0] == vrange)
> -        hcs = (1<<30);
> +        hcs = (1<<30) | (1<<28);
>      // Verify SD card (instead of MMC or SDIO)
>      param[0] = 0x00;
>      ret = sdcard_pio_app(regs, SC_APP_SEND_OP_COND, param);
>
>
> ====================== patch 2 =========================
>
> --- a/src/hw/sdcard.c
> +++ b/src/hw/sdcard.c
> @@ -123,6 +123,7 @@ struct sdhci_s {
>  #define SRF_DATA 0x04
>
>  // SDHCI result flags
> +#define SR_OCR_S18R    (1<<24)
>  #define SR_OCR_CCS     (1<<30)
>  #define SR_OCR_NOTBUSY (1<<31)
>
> @@ -181,7 +182,7 @@ static int
>  sdcard_pio(struct sdhci_s *regs, int cmd, u32 *param)
>  {
>      u32 state = readl(&regs->present_state);
> -    dprintf(9, "sdcard_pio cmd %x %x %x\n", cmd, *param, state);
> +    dprintf(1, "sdcard_pio cmd %x %x %x\n", cmd, *param, state);
>      if ((state & SP_CMD_INHIBIT)
>          || ((cmd & 0x03) == 0x03 && state & SP_DAT_INHIBIT)) {
>          dprintf(1, "sdcard_pio not ready %x\n", state);
> @@ -203,7 +204,7 @@ sdcard_pio(struct sdhci_s *regs, int cmd, u32 *param)
>      writew(&regs->irq_status, SI_CMD_COMPLETE);
>      // Read response
>      memcpy(param, regs->response, sizeof(regs->response));
> -    dprintf(9, "sdcard cmd %x response %x %x %x %x\n"
> +    dprintf(1, "sdcard cmd %x response %x %x %x %x\n"
>              , cmd, param[0], param[1], param[2], param[3]);
>      return 0;
>  }
> @@ -416,6 +417,9 @@ sdcard_card_setup(struct sddrive_s *drive, int volt,
> int prio)
>          drive->card_type |= SF_MMC;
>          hcs = (1<<30);
>      }
> +    // XXX
> +    if (volt == (1<<20) && hcs && readl(&regs->cap_lo) & SD_CAPLO_V18)
> +        hcs |= SR_OCR_S18R;
>      // Init card
>      u32 end = timer_calc(SDHCI_POWERUP_TIMEOUT);
>      for (;;) {
> @@ -434,6 +438,10 @@ sdcard_card_setup(struct sddrive_s *drive, int volt,
> int prio)
>          }
>          msleep(5); // Avoid flooding log when debugging
>      }
> +    if (param[0] & SR_OCR_S18R) {
> +        dprintf(1, "Card requests 1.8 volt\n");
> +        return -1;
> +    }
>      drive->card_type |= (param[0] & SR_OCR_CCS) ? SF_HIGHCAPACITY : 0;
>      // Select card (get cid, set rca, get csd, select card)
>      param[0] = 0x00;
>

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