git: 990a1dbf6fe1 - main - dwmmc: Fix MMCCAM block size support
Emmanuel Vadot
manu at FreeBSD.org
Thu Jul 22 15:03:31 UTC 2021
The branch main has been updated by manu:
URL: https://cgit.FreeBSD.org/src/commit/?id=990a1dbf6fe1a9f4dc491d3e4e276034919b94f3
commit 990a1dbf6fe1a9f4dc491d3e4e276034919b94f3
Author: Emmanuel Vadot <manu at FreeBSD.org>
AuthorDate: 2021-07-14 15:25:05 +0000
Commit: Emmanuel Vadot <manu at FreeBSD.org>
CommitDate: 2021-07-22 15:03:14 +0000
dwmmc: Fix MMCCAM block size support
When using SDIO the block size if per function and most of the time
not equal to MMC_SECTOR_SIZE, fix sdio on dwmmc by setting the correct
block size in the mmc registers.
MFC after: 1 month
Sponsored by: Diablotin Systems
---
sys/dev/mmc/host/dwmmc.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/sys/dev/mmc/host/dwmmc.c b/sys/dev/mmc/host/dwmmc.c
index b0e13719928a..dce684ed8c7b 100644
--- a/sys/dev/mmc/host/dwmmc.c
+++ b/sys/dev/mmc/host/dwmmc.c
@@ -1153,10 +1153,18 @@ dwmmc_start_cmd(struct dwmmc_softc *sc, struct mmc_command *cmd)
cmdr |= SDMMC_CMD_DATA_WRITE;
WRITE4(sc, SDMMC_TMOUT, 0xffffffff);
- WRITE4(sc, SDMMC_BYTCNT, data->len);
- blksz = (data->len < MMC_SECTOR_SIZE) ? \
- data->len : MMC_SECTOR_SIZE;
- WRITE4(sc, SDMMC_BLKSIZ, blksz);
+#ifdef MMCCAM
+ if (cmd->data->flags & MMC_DATA_BLOCK_SIZE) {
+ WRITE4(sc, SDMMC_BLKSIZ, cmd->data->block_size);
+ WRITE4(sc, SDMMC_BYTCNT, cmd->data->len);
+ } else
+#endif
+ {
+ WRITE4(sc, SDMMC_BYTCNT, data->len);
+ blksz = (data->len < MMC_SECTOR_SIZE) ? \
+ data->len : MMC_SECTOR_SIZE;
+ WRITE4(sc, SDMMC_BLKSIZ, blksz);
+ }
if (sc->use_pio) {
pio_prepare(sc, cmd);
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