disabling it disables all DMAs at once.
Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
---
include/hw/sd/sdhci.h | 1 +
hw/sd/sdhci.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/include/hw/sd/sdhci.h b/include/hw/sd/sdhci.h
index 4a9c3e9175..bac37f9e11 100644
--- a/include/hw/sd/sdhci.h
+++ b/include/hw/sd/sdhci.h
@@ -101,6 +101,7 @@ typedef struct SDHCIState {
bool pending_insert_state;
/* Configurable properties */
bool pending_insert_quirk; /* Quirk for Raspberry Pi card insert int */
+ bool dma; /* shortcut for sdma + adma* */
uint8_t spec_version;
struct {
/* v1 */
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 8692798021..cc1e28fa61 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -1178,6 +1178,10 @@ static void sdhci_init_readonly_registers(SDHCIState *s,
Error **errp)
}
s->version = (SDHC_HCVER_VENDOR << 8) | (s->spec_version - 1);
+ if (!s->dma) {
+ s->cap.sdma = s->cap.adma1 = s->cap.adma2 = false;
+ }
+
if (s->capareg == UINT64_MAX) {
sdhci_init_capareg(s, errp);
}
@@ -1312,6 +1316,7 @@ static Property sdhci_properties[] = {
* Possible values: 512, 1024, 2048 bytes */
DEFINE_PROP_UINT16("max-block-length", SDHCIState, cap.max_blk_len, 512),
/* DMA */
+ DEFINE_PROP_BOOL("dma", SDHCIState, dma, true), /* shortcut */
DEFINE_PROP_BOOL("sdma", SDHCIState, cap.sdma, true),
DEFINE_PROP_BOOL("adma1", SDHCIState, cap.adma1, false),
DEFINE_PROP_BOOL("adma2", SDHCIState, cap.adma2, true),
--
2.15.1
