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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2024-06-12 23:35:19 +0200
committerPhilippe Mathieu-Daudé <philmd@linaro.org>2024-07-02 10:08:32 +0200
commita171b753365d308b98d5e4db4dafa55369eea917 (patch)
tree5f34b5de02aef655739931c100168c122521e169 /hw/sd/sd.c
parent29d247ad63a7cfc0c3b2ec2662c71853e35d6a17 (diff)
hw/sd/sdcard: Add sd_cmd_APP_CMD handler (CMD55)
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: <20240628070216.92609-65-philmd@linaro.org>
Diffstat (limited to 'hw/sd/sd.c')
-rw-r--r--hw/sd/sd.c53
1 files changed, 28 insertions, 25 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index da344589f2..f5548d5667 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -242,7 +242,6 @@ static const char *sd_cmd_name(SDState *sd, uint8_t cmd)
[25] = "WRITE_MULTIPLE_BLOCK",
[26] = "MANUF_RSVD",
[40] = "DPS_spec",
- [54] = "SDIO_RSVD", [55] = "APP_CMD",
[56] = "GEN_CMD",
[60] = "MANUF_RSVD", [61] = "MANUF_RSVD",
[62] = "MANUF_RSVD", [63] = "MANUF_RSVD",
@@ -1616,9 +1615,34 @@ static sd_rsp_type_t sd_cmd_LOCK_UNLOCK(SDState *sd, SDRequest req)
return sd_cmd_to_receivingdata(sd, req, 0, 0);
}
+/* CMD55 */
+static sd_rsp_type_t sd_cmd_APP_CMD(SDState *sd, SDRequest req)
+{
+ switch (sd->state) {
+ case sd_ready_state:
+ case sd_identification_state:
+ case sd_inactive_state:
+ return sd_invalid_state_for_cmd(sd, req);
+ case sd_idle_state:
+ if (!sd_is_spi(sd) && sd_req_get_rca(sd, req) != 0x0000) {
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "SD: illegal RCA 0x%04x for APP_CMD\n", req.cmd);
+ }
+ /* fall-through */
+ default:
+ break;
+ }
+ if (!sd_is_spi(sd) && !sd_req_rca_same(sd, req)) {
+ return sd_r0;
+ }
+ sd->expecting_acmd = true;
+ sd->card_status |= APP_CMD;
+
+ return sd_r1;
+}
+
static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
{
- uint16_t rca;
uint64_t addr;
sd->last_cmd_name = sd_cmd_name(sd, req.cmd);
@@ -1705,29 +1729,6 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
return sd_cmd_to_receivingdata(sd, req, 0, sizeof(sd->cid));
/* Application specific commands (Class 8) */
- case 55: /* CMD55: APP_CMD */
- rca = sd_req_get_rca(sd, req);
- switch (sd->state) {
- case sd_ready_state:
- case sd_identification_state:
- return sd_illegal;
- case sd_idle_state:
- if (rca) {
- qemu_log_mask(LOG_GUEST_ERROR,
- "SD: illegal RCA 0x%04x for APP_CMD\n", req.cmd);
- }
- default:
- break;
- }
- if (!sd_is_spi(sd)) {
- if (sd->rca != rca) {
- return sd_r0;
- }
- }
- sd->expecting_acmd = true;
- sd->card_status |= APP_CMD;
- return sd_r1;
-
case 56: /* CMD56: GEN_CMD */
switch (sd->state) {
case sd_transfer_state:
@@ -2323,6 +2324,7 @@ static const SDProto sd_proto_spi = {
[50] = {10, sd_spi, "DIRECT_SECURE_READ", sd_cmd_optional},
[52] = {9, sd_spi, "IO_RW_DIRECT", sd_cmd_optional},
[53] = {9, sd_spi, "IO_RW_EXTENDED", sd_cmd_optional},
+ [55] = {8, sd_spi, "APP_CMD", sd_cmd_APP_CMD},
[57] = {10, sd_spi, "DIRECT_SECURE_WRITE", sd_cmd_optional},
},
.acmd = {
@@ -2375,6 +2377,7 @@ static const SDProto sd_proto_sd = {
[50] = {10, sd_adtc, "DIRECT_SECURE_READ", sd_cmd_optional},
[52] = {9, sd_bc, "IO_RW_DIRECT", sd_cmd_optional},
[53] = {9, sd_bc, "IO_RW_EXTENDED", sd_cmd_optional},
+ [55] = {8, sd_ac, "APP_CMD", sd_cmd_APP_CMD},
[57] = {10, sd_adtc, "DIRECT_SECURE_WRITE", sd_cmd_optional},
[58] = {11, sd_adtc, "READ_EXTR_MULTI", sd_cmd_optional},
[59] = {11, sd_adtc, "WRITE_EXTR_MULTI", sd_cmd_optional},