Currently, it does not support the CRYPT command. Instead, it only sends an
interrupt to notify the firmware that the crypt command has completed.
It is a temporary workaround to resolve the boot issue in the Crypto Manager
Self Test.
Signed-off-by: Jamin Lin <jamin_...@aspeedtech.com>
---
hw/misc/aspeed_hace.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/hw/misc/aspeed_hace.c b/hw/misc/aspeed_hace.c
index 86422cb3be..4d0999e7e9 100644
--- a/hw/misc/aspeed_hace.c
+++ b/hw/misc/aspeed_hace.c
@@ -59,6 +59,7 @@
/* Other cmd bits */
#define HASH_IRQ_EN BIT(9)
#define HASH_SG_EN BIT(18)
+#define CRYPT_IRQ_EN BIT(12)
/* Scatter-gather data list */
#define SG_LIST_LEN_SIZE 4
#define SG_LIST_LEN_MASK 0x0FFFFFFF
@@ -343,6 +344,13 @@ static void aspeed_hace_write(void *opaque, hwaddr addr,
uint64_t data,
qemu_irq_lower(s->irq);
}
}
+ if (data & CRYPT_IRQ) {
+ data &= ~CRYPT_IRQ;
+
+ if (s->regs[addr] & CRYPT_IRQ) {
+ qemu_irq_lower(s->irq);
+ }
+ }
break;
case R_HASH_SRC:
data &= ahc->src_mask;
@@ -388,6 +396,10 @@ static void aspeed_hace_write(void *opaque, hwaddr addr,
uint64_t data,
case R_CRYPT_CMD:
qemu_log_mask(LOG_UNIMP, "%s: Crypt commands not implemented\n",
__func__);
+ s->regs[R_STATUS] |= CRYPT_IRQ;
+ if (data & CRYPT_IRQ_EN) {
+ qemu_irq_raise(s->irq);
+ }
break;
default:
break;
--
2.34.1
