diff options
| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2018-06-29 15:11:20 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-06-29 15:11:20 +0100 |
| commit | b3141c0625a18d35c45c175a20826271b3241d92 (patch) | |
| tree | 6699e0bceca9636f4105786d749e1ee329a385f4 /hw/sd/sdhci.c | |
| parent | 13606b99515e8c5f81eab7fd88a70fb2ad506cd8 (diff) | |
sdcard: Use the ldst API
The load/store API will ease further code movement.
Per the Physical Layer Simplified Spec. "3.6 Bus Protocol":
"In the CMD line the Most Significant Bit (MSB) is transmitted
first, the Least Significant Bit (LSB) is the last."
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/sd/sdhci.c')
| -rw-r--r-- | hw/sd/sdhci.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index 3017e5a95a..321d02d75a 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -342,17 +342,13 @@ static void sdhci_send_command(SDHCIState *s) if (s->cmdreg & SDHC_CMD_RESPONSE) { if (rlen == 4) { - s->rspreg[0] = (response[0] << 24) | (response[1] << 16) | - (response[2] << 8) | response[3]; + s->rspreg[0] = ldl_be_p(response); s->rspreg[1] = s->rspreg[2] = s->rspreg[3] = 0; trace_sdhci_response4(s->rspreg[0]); } else if (rlen == 16) { - s->rspreg[0] = (response[11] << 24) | (response[12] << 16) | - (response[13] << 8) | response[14]; - s->rspreg[1] = (response[7] << 24) | (response[8] << 16) | - (response[9] << 8) | response[10]; - s->rspreg[2] = (response[3] << 24) | (response[4] << 16) | - (response[5] << 8) | response[6]; + s->rspreg[0] = ldl_be_p(&response[11]); + s->rspreg[1] = ldl_be_p(&response[7]); + s->rspreg[2] = ldl_be_p(&response[3]); s->rspreg[3] = (response[0] << 16) | (response[1] << 8) | response[2]; trace_sdhci_response16(s->rspreg[3], s->rspreg[2], @@ -396,8 +392,7 @@ static void sdhci_end_transfer(SDHCIState *s) trace_sdhci_end_transfer(request.cmd, request.arg); sdbus_do_command(&s->sdbus, &request, response); /* Auto CMD12 response goes to the upper Response register */ - s->rspreg[3] = (response[0] << 24) | (response[1] << 16) | - (response[2] << 8) | response[3]; + s->rspreg[3] = ldl_be_p(response); } s->prnsts &= ~(SDHC_DOING_READ | SDHC_DOING_WRITE | |