@@ -62,13 +62,19 @@ static int sdio_init_func(struct mmc_card *card, unsigned int fn)
func->num = fn;
- ret = sdio_read_fbr(func);
- if (ret)
- goto fail;
+ if (!(card->quirks & MMC_QUIRK_NONSTD_SDIO)) {
+ ret = sdio_read_fbr(func);
+ if (ret)
+ goto fail;
- ret = sdio_read_func_cis(func);
- if (ret)
- goto fail;
+ ret = sdio_read_func_cis(func);
+ if (ret)
+ goto fail;
+ } else {
+ func->vendor = func->card->cis.vendor;
+ func->device = func->card->cis.device;
+ func->max_blksize = func->card->cis.blksize;
+ }
card->sdio_func[fn - 1] = func;
@@ -321,6 +327,23 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
goto remove;
}
+ if (card->quirks & MMC_QUIRK_NONSTD_SDIO) {
+ /*
+ * This is non-standard SDIO device, meaning it doesn't
+ * have any CIA (Common I/O area) registers present.
+ * It's host's responsibility to fill cccr and cis
+ * structures in init_card().
+ */
+ mmc_set_clock(host, card->cis.max_dtr);
+
+ if (card->cccr.high_speed) {
+ mmc_card_set_highspeed(card);
+ mmc_set_timing(card->host, MMC_TIMING_SD_HS);
+ }
+
+ goto finish;
+ }
+
/*
* Read the common registers.
*/
@@ -376,6 +399,7 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
if (err)
goto remove;
+finish:
if (!oldcard)
host->card = card;
return 0;
@@ -101,6 +101,8 @@ struct mmc_card {
#define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */
#define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
/* for byte mode */
+#define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */
+ /* (missing CIA registers) */
u32 raw_cid[4]; /* raw card CID */
u32 raw_csd[4]; /* raw card CSD */