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hw/sd/sdcard: Add sd_cmd_SEND_IF_COND handler (CMD8)

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Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20240628070216.92609-50-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2024-06-12 23:12:23 +02:00
parent 9193deb406
commit 31798907b7
1 changed files with 24 additions and 19 deletions
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43
hw/sd/sd.c
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@ -237,7 +237,7 @@ static const char *sd_response_name(sd_rsp_type_t rsp)
static const char *sd_cmd_name(SDState *sd, uint8_t cmd)
{
static const char *cmd_abbrev[SDMMC_CMD_MAX] = {
[8] = "SEND_IF_COND", [9] = "SEND_CSD",
[9] = "SEND_CSD",
[10] = "SEND_CID",
[12] = "STOP_TRANSMISSION", [13] = "SEND_STATUS",
[15] = "GO_INACTIVE_STATE",
@ -1295,6 +1295,27 @@ static sd_rsp_type_t sd_cmd_DE_SELECT_CARD(SDState *sd, SDRequest req)
return sd_invalid_state_for_cmd(sd, req);
}
/* CMD8 */
static sd_rsp_type_t sd_cmd_SEND_IF_COND(SDState *sd, SDRequest req)
{
if (sd->spec_version < SD_PHY_SPECv2_00_VERS) {
return sd_cmd_illegal(sd, req);
}
if (sd->state != sd_idle_state) {
return sd_invalid_state_for_cmd(sd, req);
}
sd->vhs = 0;
/* No response if not exactly one VHS bit is set. */
if (!(req.arg >> 8) || (req.arg >> (ctz32(req.arg & ~0xff) + 1))) {
return sd_is_spi(sd) ? sd_r7 : sd_r0;
}
/* Accept. */
sd->vhs = req.arg;
return sd_r7;
}
/* CMD19 */
static sd_rsp_type_t sd_cmd_SEND_TUNING_BLOCK(SDState *sd, SDRequest req)
{
@ -1361,24 +1382,6 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
switch (req.cmd) {
/* Basic commands (Class 0 and Class 1) */
case 8: /* CMD8: SEND_IF_COND */
if (sd->spec_version < SD_PHY_SPECv2_00_VERS) {
break;
}
if (sd->state != sd_idle_state) {
break;
}
sd->vhs = 0;
/* No response if not exactly one VHS bit is set. */
if (!(req.arg >> 8) || (req.arg >> (ctz32(req.arg & ~0xff) + 1))) {
return sd_is_spi(sd) ? sd_r7 : sd_r0;
}
/* Accept. */
sd->vhs = req.arg;
return sd_r7;
case 9: /* CMD9: SEND_CSD */
rca = sd_req_get_rca(sd, req);
switch (sd->state) {
@ -2280,6 +2283,7 @@ static const SDProto sd_proto_spi = {
[1] = {0, sd_spi, "SEND_OP_COND", spi_cmd_SEND_OP_COND},
[5] = {9, sd_spi, "IO_SEND_OP_COND", sd_cmd_optional},
[6] = {10, sd_spi, "SWITCH_FUNCTION", sd_cmd_SWITCH_FUNCTION},
[8] = {0, sd_spi, "SEND_IF_COND", sd_cmd_SEND_IF_COND},
[34] = {10, sd_spi, "READ_SEC_CMD", sd_cmd_optional},
[35] = {10, sd_spi, "WRITE_SEC_CMD", sd_cmd_optional},
[36] = {10, sd_spi, "SEND_PSI", sd_cmd_optional},
@ -2304,6 +2308,7 @@ static const SDProto sd_proto_sd = {
[5] = {9, sd_bc, "IO_SEND_OP_COND", sd_cmd_optional},
[6] = {10, sd_adtc, "SWITCH_FUNCTION", sd_cmd_SWITCH_FUNCTION},
[7] = {0, sd_ac, "(DE)SELECT_CARD", sd_cmd_DE_SELECT_CARD},
[8] = {0, sd_bcr, "SEND_IF_COND", sd_cmd_SEND_IF_COND},
[11] = {0, sd_ac, "VOLTAGE_SWITCH", sd_cmd_optional},
[19] = {2, sd_adtc, "SEND_TUNING_BLOCK", sd_cmd_SEND_TUNING_BLOCK},
[20] = {2, sd_ac, "SPEED_CLASS_CONTROL", sd_cmd_optional},