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-rw-r--r--hw/sd/Makefile.objs2
-rw-r--r--hw/sd/sd.c55
-rw-r--r--hw/sd/sdhci.c4
-rw-r--r--hw/sd/sdmmc-internal.c72
-rw-r--r--hw/sd/sdmmc-internal.h24
-rw-r--r--hw/sd/trace-events8
6 files changed, 152 insertions, 13 deletions
diff --git a/hw/sd/Makefile.objs b/hw/sd/Makefile.objs
index c2b7664264..a99d9fbb04 100644
--- a/hw/sd/Makefile.objs
+++ b/hw/sd/Makefile.objs
@@ -1,6 +1,6 @@
common-obj-$(CONFIG_PL181) += pl181.o
common-obj-$(CONFIG_SSI_SD) += ssi-sd.o
-common-obj-$(CONFIG_SD) += sd.o core.o
+common-obj-$(CONFIG_SD) += sd.o core.o sdmmc-internal.o
common-obj-$(CONFIG_SDHCI) += sdhci.o
obj-$(CONFIG_MILKYMIST) += milkymist-memcard.o
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 933890e86f..235e0518d6 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -120,6 +120,7 @@ struct SDState {
qemu_irq readonly_cb;
qemu_irq inserted_cb;
QEMUTimer *ocr_power_timer;
+ const char *proto_name;
bool enable;
uint8_t dat_lines;
bool cmd_line;
@@ -866,13 +867,19 @@ static void sd_lock_command(SDState *sd)
sd->card_status &= ~CARD_IS_LOCKED;
}
-static sd_rsp_type_t sd_normal_command(SDState *sd,
- SDRequest req)
+static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
{
uint32_t rca = 0x0000;
uint64_t addr = (sd->ocr & (1 << 30)) ? (uint64_t) req.arg << 9 : req.arg;
- trace_sdcard_normal_command(req.cmd, req.arg, sd_state_name(sd->state));
+ /* CMD55 precedes an ACMD, so we are not interested in tracing it.
+ * However there is no ACMD55, so we want to trace this particular case.
+ */
+ if (req.cmd != 55 || sd->expecting_acmd) {
+ trace_sdcard_normal_command(sd->proto_name,
+ sd_cmd_name(req.cmd), req.cmd,
+ req.arg, sd_state_name(sd->state));
+ }
/* Not interpreting this as an app command */
sd->card_status &= ~APP_CMD;
@@ -1162,6 +1169,14 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
}
break;
+ case 19: /* CMD19: SEND_TUNING_BLOCK (SD) */
+ if (sd->state == sd_transfer_state) {
+ sd->state = sd_sendingdata_state;
+ sd->data_offset = 0;
+ return sd_r1;
+ }
+ break;
+
case 23: /* CMD23: SET_BLOCK_COUNT */
switch (sd->state) {
case sd_transfer_state:
@@ -1450,7 +1465,8 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
static sd_rsp_type_t sd_app_command(SDState *sd,
SDRequest req)
{
- trace_sdcard_app_command(req.cmd, req.arg);
+ trace_sdcard_app_command(sd->proto_name, sd_acmd_name(req.cmd),
+ req.cmd, req.arg, sd_state_name(sd->state));
sd->card_status |= APP_CMD;
switch (req.cmd) {
case 6: /* ACMD6: SET_BUS_WIDTH */
@@ -1765,7 +1781,9 @@ void sd_write_data(SDState *sd, uint8_t value)
if (sd->card_status & (ADDRESS_ERROR | WP_VIOLATION))
return;
- trace_sdcard_write_data(sd->current_cmd, value);
+ trace_sdcard_write_data(sd->proto_name,
+ sd_acmd_name(sd->current_cmd),
+ sd->current_cmd, value);
switch (sd->current_cmd) {
case 24: /* CMD24: WRITE_SINGLE_BLOCK */
sd->data[sd->data_offset ++] = value;
@@ -1883,6 +1901,20 @@ void sd_write_data(SDState *sd, uint8_t value)
}
}
+#define SD_TUNING_BLOCK_SIZE 64
+
+static const uint8_t sd_tuning_block_pattern[SD_TUNING_BLOCK_SIZE] = {
+ /* See: Physical Layer Simplified Specification Version 3.01, Table 4-2 */
+ 0xff, 0x0f, 0xff, 0x00, 0x0f, 0xfc, 0xc3, 0xcc,
+ 0xc3, 0x3c, 0xcc, 0xff, 0xfe, 0xff, 0xfe, 0xef,
+ 0xff, 0xdf, 0xff, 0xdd, 0xff, 0xfb, 0xff, 0xfb,
+ 0xbf, 0xff, 0x7f, 0xff, 0x77, 0xf7, 0xbd, 0xef,
+ 0xff, 0xf0, 0xff, 0xf0, 0x0f, 0xfc, 0xcc, 0x3c,
+ 0xcc, 0x33, 0xcc, 0xcf, 0xff, 0xef, 0xff, 0xee,
+ 0xff, 0xfd, 0xff, 0xfd, 0xdf, 0xff, 0xbf, 0xff,
+ 0xbb, 0xff, 0xf7, 0xff, 0xf7, 0x7f, 0x7b, 0xde,
+};
+
uint8_t sd_read_data(SDState *sd)
{
/* TODO: Append CRCs */
@@ -1903,7 +1935,9 @@ uint8_t sd_read_data(SDState *sd)
io_len = (sd->ocr & (1 << 30)) ? 512 : sd->blk_len;
- trace_sdcard_read_data(sd->current_cmd, io_len);
+ trace_sdcard_read_data(sd->proto_name,
+ sd_acmd_name(sd->current_cmd),
+ sd->current_cmd, io_len);
switch (sd->current_cmd) {
case 6: /* CMD6: SWITCH_FUNCTION */
ret = sd->data[sd->data_offset ++];
@@ -1960,6 +1994,13 @@ uint8_t sd_read_data(SDState *sd)
}
break;
+ case 19: /* CMD19: SEND_TUNING_BLOCK (SD) */
+ if (sd->data_offset >= SD_TUNING_BLOCK_SIZE - 1) {
+ sd->state = sd_transfer_state;
+ }
+ ret = sd_tuning_block_pattern[sd->data_offset++];
+ break;
+
case 22: /* ACMD22: SEND_NUM_WR_BLOCKS */
ret = sd->data[sd->data_offset ++];
@@ -2029,6 +2070,8 @@ static void sd_realize(DeviceState *dev, Error **errp)
SDState *sd = SD_CARD(dev);
int ret;
+ sd->proto_name = sd->spi ? "SPI" : "SD";
+
if (sd->blk && blk_is_read_only(sd->blk)) {
error_setg(errp, "Cannot use read-only drive as SD card");
return;
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 97b4a473c8..1b828b104d 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -433,13 +433,13 @@ static void sdhci_read_block_from_card(SDHCIState *s)
for (index = 0; index < blk_size; index++) {
data = sdbus_read_data(&s->sdbus);
if (!FIELD_EX32(s->hostctl2, SDHC_HOSTCTL2, EXECUTE_TUNING)) {
- /* Device is not in tunning */
+ /* Device is not in tuning */
s->fifo_buffer[index] = data;
}
}
if (FIELD_EX32(s->hostctl2, SDHC_HOSTCTL2, EXECUTE_TUNING)) {
- /* Device is in tunning */
+ /* Device is in tuning */
s->hostctl2 &= ~R_SDHC_HOSTCTL2_EXECUTE_TUNING_MASK;
s->hostctl2 |= R_SDHC_HOSTCTL2_SAMPLING_CLKSEL_MASK;
s->prnsts &= ~(SDHC_DAT_LINE_ACTIVE | SDHC_DOING_READ |
diff --git a/hw/sd/sdmmc-internal.c b/hw/sd/sdmmc-internal.c
new file mode 100644
index 0000000000..2053def3f1
--- /dev/null
+++ b/hw/sd/sdmmc-internal.c
@@ -0,0 +1,72 @@
+/*
+ * SD/MMC cards common helpers
+ *
+ * Copyright (c) 2018 Philippe Mathieu-Daudé <f4bug@amsat.org>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "sdmmc-internal.h"
+
+const char *sd_cmd_name(uint8_t cmd)
+{
+ static const char *cmd_abbrev[SDMMC_CMD_MAX] = {
+ [0] = "GO_IDLE_STATE",
+ [2] = "ALL_SEND_CID", [3] = "SEND_RELATIVE_ADDR",
+ [4] = "SET_DSR", [5] = "IO_SEND_OP_COND",
+ [6] = "SWITCH_FUNC", [7] = "SELECT/DESELECT_CARD",
+ [8] = "SEND_IF_COND", [9] = "SEND_CSD",
+ [10] = "SEND_CID", [11] = "VOLTAGE_SWITCH",
+ [12] = "STOP_TRANSMISSION", [13] = "SEND_STATUS",
+ [15] = "GO_INACTIVE_STATE",
+ [16] = "SET_BLOCKLEN", [17] = "READ_SINGLE_BLOCK",
+ [18] = "READ_MULTIPLE_BLOCK", [19] = "SEND_TUNING_BLOCK",
+ [20] = "SPEED_CLASS_CONTROL", [21] = "DPS_spec",
+ [23] = "SET_BLOCK_COUNT",
+ [24] = "WRITE_BLOCK", [25] = "WRITE_MULTIPLE_BLOCK",
+ [26] = "MANUF_RSVD", [27] = "PROGRAM_CSD",
+ [28] = "SET_WRITE_PROT", [29] = "CLR_WRITE_PROT",
+ [30] = "SEND_WRITE_PROT",
+ [32] = "ERASE_WR_BLK_START", [33] = "ERASE_WR_BLK_END",
+ [34] = "SW_FUNC_RSVD", [35] = "SW_FUNC_RSVD",
+ [36] = "SW_FUNC_RSVD", [37] = "SW_FUNC_RSVD",
+ [38] = "ERASE",
+ [40] = "DPS_spec",
+ [42] = "LOCK_UNLOCK", [43] = "Q_MANAGEMENT",
+ [44] = "Q_TASK_INFO_A", [45] = "Q_TASK_INFO_B",
+ [46] = "Q_RD_TASK", [47] = "Q_WR_TASK",
+ [48] = "READ_EXTR_SINGLE", [49] = "WRITE_EXTR_SINGLE",
+ [50] = "SW_FUNC_RSVD",
+ [52] = "IO_RW_DIRECT", [53] = "IO_RW_EXTENDED",
+ [54] = "SDIO_RSVD", [55] = "APP_CMD",
+ [56] = "GEN_CMD", [57] = "SW_FUNC_RSVD",
+ [58] = "READ_EXTR_MULTI", [59] = "WRITE_EXTR_MULTI",
+ [60] = "MANUF_RSVD", [61] = "MANUF_RSVD",
+ [62] = "MANUF_RSVD", [63] = "MANUF_RSVD",
+ };
+ return cmd_abbrev[cmd] ? cmd_abbrev[cmd] : "UNKNOWN_CMD";
+}
+
+const char *sd_acmd_name(uint8_t cmd)
+{
+ static const char *acmd_abbrev[SDMMC_CMD_MAX] = {
+ [6] = "SET_BUS_WIDTH",
+ [13] = "SD_STATUS",
+ [14] = "DPS_spec", [15] = "DPS_spec",
+ [16] = "DPS_spec",
+ [18] = "SECU_spec",
+ [22] = "SEND_NUM_WR_BLOCKS", [23] = "SET_WR_BLK_ERASE_COUNT",
+ [41] = "SD_SEND_OP_COND",
+ [42] = "SET_CLR_CARD_DETECT",
+ [51] = "SEND_SCR",
+ [52] = "SECU_spec", [53] = "SECU_spec",
+ [54] = "SECU_spec",
+ [56] = "SECU_spec", [57] = "SECU_spec",
+ [58] = "SECU_spec", [59] = "SECU_spec",
+ };
+
+ return acmd_abbrev[cmd] ? acmd_abbrev[cmd] : "UNKNOWN_ACMD";
+}
diff --git a/hw/sd/sdmmc-internal.h b/hw/sd/sdmmc-internal.h
index 0e96cb0081..9aa04766fc 100644
--- a/hw/sd/sdmmc-internal.h
+++ b/hw/sd/sdmmc-internal.h
@@ -12,4 +12,28 @@
#define SDMMC_CMD_MAX 64
+/**
+ * sd_cmd_name:
+ * @cmd: A SD "normal" command, up to SDMMC_CMD_MAX.
+ *
+ * Returns a human-readable name describing the command.
+ * The return value is always a static string which does not need
+ * to be freed after use.
+ *
+ * Returns: The command name of @cmd or "UNKNOWN_CMD".
+ */
+const char *sd_cmd_name(uint8_t cmd);
+
+/**
+ * sd_acmd_name:
+ * @cmd: A SD "Application-Specific" command, up to SDMMC_CMD_MAX.
+ *
+ * Returns a human-readable name describing the application command.
+ * The return value is always a static string which does not need
+ * to be freed after use.
+ *
+ * Returns: The application command name of @cmd or "UNKNOWN_ACMD".
+ */
+const char *sd_acmd_name(uint8_t cmd);
+
#endif
diff --git a/hw/sd/trace-events b/hw/sd/trace-events
index 3040d32560..2059ace61f 100644
--- a/hw/sd/trace-events
+++ b/hw/sd/trace-events
@@ -24,8 +24,8 @@ sdhci_write_dataport(uint16_t data_count) "write buffer filled with %u bytes of
sdhci_capareg(const char *desc, uint16_t val) "%s: %u"
# hw/sd/sd.c
-sdcard_normal_command(uint8_t cmd, uint32_t arg, const char *state) "CMD%d arg 0x%08x (state %s)"
-sdcard_app_command(uint8_t acmd, uint32_t arg) "ACMD%d arg 0x%08x"
+sdcard_normal_command(const char *proto, const char *cmd_desc, uint8_t cmd, uint32_t arg, const char *state) "%s %20s/ CMD%02d arg 0x%08x (state %s)"
+sdcard_app_command(const char *proto, const char *acmd_desc, uint8_t acmd, uint32_t arg, const char *state) "%s %23s/ACMD%02d arg 0x%08x (state %s)"
sdcard_response(const char *rspdesc, int rsplen) "%s (sz:%d)"
sdcard_powerup(void) ""
sdcard_inquiry_cmd41(void) ""
@@ -39,8 +39,8 @@ sdcard_lock(void) ""
sdcard_unlock(void) ""
sdcard_read_block(uint64_t addr, uint32_t len) "addr 0x%" PRIx64 " size 0x%x"
sdcard_write_block(uint64_t addr, uint32_t len) "addr 0x%" PRIx64 " size 0x%x"
-sdcard_write_data(uint8_t cmd, uint8_t value) "CMD%02d value 0x%02x"
-sdcard_read_data(uint8_t cmd, int length) "CMD%02d len %d"
+sdcard_write_data(const char *proto, const char *cmd_desc, uint8_t cmd, uint8_t value) "%s %20s/ CMD%02d value 0x%02x"
+sdcard_read_data(const char *proto, const char *cmd_desc, uint8_t cmd, int length) "%s %20s/ CMD%02d len %d"
sdcard_set_voltage(uint16_t millivolts) "%u mV"
# hw/sd/milkymist-memcard.c
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-30 02:08:20 +0000