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Implement in spi_response_r2_make() and return SPI R2 in the SEND_STATUS commands. Reported-by: Guenter Roeck Fixes: 775616c3ae8 ("Partial SD card SPI mode support") Signed-off-by: Philippe Mathieu-Daud=C3=A9 Acked-by: Richard Henderson Message-Id: <20250804133406.17456-6-philmd@linaro.org> --- hw/sd/sd.c | 38 +++++++++++++++++++++++++++++++++++--- hw/sd/ssi-sd.c | 3 --- 2 files changed, 35 insertions(+), 6 deletions(-) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index cbcc180f6a4..01ec6d951c8 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -61,6 +61,7 @@ typedef enum { sd_r0 =3D 0, /* no response */ sd_r1, /* normal response command */ + spi_r2, /* STATUS */ sd_r2_i, /* CID register */ sd_r2_s, /* CSD register */ sd_r3, /* OCR register */ @@ -247,6 +248,7 @@ static const char *sd_response_name(sd_rsp_type_t rsp) static const char *response_name[] =3D { [sd_r0] =3D "RESP#0 (no response)", [sd_r1] =3D "RESP#1 (normal cmd)", + [spi_r2] =3D "RESP#2 (STATUS reg)", [sd_r2_i] =3D "RESP#2 (CID reg)", [sd_r2_s] =3D "RESP#2 (CSD reg)", [sd_r3] =3D "RESP#3 (OCR reg)", @@ -736,6 +738,10 @@ static size_t sd_response_size(SDState *sd, sd_rsp_typ= e_t rtype) case sd_r1b: return sd_is_spi(sd) ? 1 : 4; =20 + case spi_r2: + assert(sd_is_spi(sd)); + return 2; + case sd_r2_i: case sd_r2_s: assert(!sd_is_spi(sd)); @@ -778,6 +784,22 @@ static void sd_response_r1_make(SDState *sd, uint8_t *= response) sd->card_status &=3D ~CARD_STATUS_C; } =20 +static void spi_response_r2_make(SDState *sd, uint8_t *resp) +{ + /* Prepend R1 */ + sd_response_r1_make(sd, resp); + + resp[1] =3D FIELD_EX32(sd->card_status, CSR, CARD_IS_LOCKED) << 0; + resp[1] |=3D (FIELD_EX32(sd->card_status, CSR, LOCK_UNLOCK_FAILED) + || FIELD_EX32(sd->card_status, CSR, WP_ERASE_SKIP)) << 1; + resp[1] |=3D FIELD_EX32(sd->card_status, CSR, ERROR) << 2; + resp[1] |=3D FIELD_EX32(sd->card_status, CSR, CC_ERROR) << 3; + resp[1] |=3D FIELD_EX32(sd->card_status, CSR, CARD_ECC_FAILED) << 4; + resp[1] |=3D FIELD_EX32(sd->card_status, CSR, WP_VIOLATION) << 5; + resp[1] |=3D FIELD_EX32(sd->card_status, CSR, ERASE_PARAM) << 6; + resp[1] |=3D FIELD_EX32(sd->card_status, CSR, OUT_OF_RANGE) << 7; +} + static void sd_response_r3_make(SDState *sd, uint8_t *response) { if (sd_is_spi(sd)) { @@ -1643,7 +1665,7 @@ static sd_rsp_type_t sd_cmd_SEND_STATUS(SDState *sd, = SDRequest req) } =20 if (sd_is_spi(sd)) { - return sd_r2_s; + return spi_r2; } =20 return sd_req_rca_same(sd, req) ? sd_r1 : sd_r0; @@ -1957,8 +1979,14 @@ static sd_rsp_type_t sd_acmd_SET_BUS_WIDTH(SDState *= sd, SDRequest req) /* ACMD13 */ static sd_rsp_type_t sd_acmd_SD_STATUS(SDState *sd, SDRequest req) { - return sd_cmd_to_sendingdata(sd, req, 0, - sd->sd_status, sizeof(sd->sd_status)); + sd_rsp_type_t rsp; + + rsp =3D sd_cmd_to_sendingdata(sd, req, 0, + sd->sd_status, sizeof(sd->sd_status)); + if (sd_is_spi(sd) && rsp !=3D sd_illegal) { + return spi_r2; + } + return rsp; } =20 /* ACMD22 */ @@ -2264,6 +2292,10 @@ send_response: sd_response_r1_make(sd, response); break; =20 + case spi_r2: + spi_response_r2_make(sd, response); + break; + case sd_r2_i: memcpy(response, sd->cid, sizeof(sd->cid)); break; diff --git a/hw/sd/ssi-sd.c b/hw/sd/ssi-sd.c index 2d5c0ad5016..594dead19ee 100644 --- a/hw/sd/ssi-sd.c +++ b/hw/sd/ssi-sd.c @@ -158,9 +158,6 @@ static uint32_t ssi_sd_transfer(SSIPeripheral *dev, uin= t32_t val) longresp, sizeof(longresp)); DPRINTF("CMD%d arg 0x%08x =3D %d\n", s->cmd, request.arg, s->a= rglen); assert(s->arglen > 0); - /* CMD13 returns a 2-byte statuse work. Other commands - only return the first byte. */ - s->arglen =3D (s->cmd =3D=3D 13) ? 2 : 1; memcpy(s->response, longresp, s->arglen); =20 /* handle R1b (busy signal) */ --=20 2.49.0