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sdcard: handles more commands in SPI mode 

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180215221325.7611-13-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2018-02-22 15:12:53 +00:00 committed by Peter Maydell
parent a21208646d
commit 946897ce18
1 changed files with 26 additions and 3 deletions
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29
hw/sd/sd.c
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@ -1386,9 +1386,11 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
/* Application specific commands (Class 8) */
case 55: /* CMD55: APP_CMD */
if (sd->rca != rca)
return sd_r0;
if (!sd->spi) {
if (sd->rca != rca) {
return sd_r0;
}
}
sd->expecting_acmd = true;
sd->card_status |= APP_CMD;
return sd_r1;
@ -1408,6 +1410,18 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
}
break;
case 58: /* CMD58: READ_OCR (SPI) */
if (!sd->spi) {
goto bad_cmd;
}
return sd_r3;
case 59: /* CMD59: CRC_ON_OFF (SPI) */
if (!sd->spi) {
goto bad_cmd;
}
goto unimplemented_spi_cmd;
default:
bad_cmd:
qemu_log_mask(LOG_GUEST_ERROR, "SD: Unknown CMD%i\n", req.cmd);
@ -1431,6 +1445,9 @@ static sd_rsp_type_t sd_app_command(SDState *sd,
sd->card_status |= APP_CMD;
switch (req.cmd) {
case 6: /* ACMD6: SET_BUS_WIDTH */
if (sd->spi) {
goto unimplemented_spi_cmd;
}
switch (sd->state) {
case sd_transfer_state:
sd->sd_status[0] &= 0x3f;
@ -1565,6 +1582,12 @@ static sd_rsp_type_t sd_app_command(SDState *sd,
default:
/* Fall back to standard commands. */
return sd_normal_command(sd, req);
unimplemented_spi_cmd:
/* Commands that are recognised but not yet implemented in SPI mode. */
qemu_log_mask(LOG_UNIMP, "SD: CMD%i not implemented in SPI mode\n",
req.cmd);
return sd_illegal;
}
qemu_log_mask(LOG_GUEST_ERROR, "SD: ACMD%i in a wrong state\n", req.cmd);