soc/intel/cmn/cse: Make heci_(send|receive) public functions
Having these two functions public allow "asynchronous"
HECI command implementation.
Typically, these function can be use to implement an asynchronous
End-Of-Post.
BUG=b:268546941
BRANCH=firmware-brya-14505.B
TEST=Successful compilation for brya0
Change-Id: I7d029bb9af4b53f219018e459d17df9c1bd33fc1
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73710
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c
index 25a04ed..9902094 100644
--- a/src/soc/intel/common/block/cse/cse.c
+++ b/src/soc/intel/common/block/cse/cse.c
@@ -422,12 +422,7 @@
return pend_len;
}
-/*
- * Send message msg of size len to host from host_addr to cse_addr.
- * Returns CSE_TX_RX_SUCCESS on success and other enum values on failure scenarios.
- * Also, in case of errors, heci_reset() is triggered.
- */
-static enum cse_tx_rx_status
+enum cse_tx_rx_status
heci_send(const void *msg, size_t len, uint8_t host_addr, uint8_t client_addr)
{
uint8_t retry;
@@ -532,15 +527,7 @@
return CSE_TX_RX_SUCCESS;
}
-/*
- * Receive message into buff not exceeding maxlen. Message is considered
- * successfully received if a 'complete' indication is read from ME side
- * and there was enough space in the buffer to fit that message. maxlen
- * is updated with size of message that was received.
- * Returns CSE_TX_RX_SUCCESS on success and other enum values on failure scenarios.
- * Also, in case of errors, heci_reset() is triggered.
- */
-static enum cse_tx_rx_status heci_receive(void *buff, size_t *maxlen)
+enum cse_tx_rx_status heci_receive(void *buff, size_t *maxlen)
{
uint8_t retry;
size_t left, received;
diff --git a/src/soc/intel/common/block/include/intelblocks/cse.h b/src/soc/intel/common/block/include/intelblocks/cse.h
index 4634984..c87946f 100644
--- a/src/soc/intel/common/block/include/intelblocks/cse.h
+++ b/src/soc/intel/common/block/include/intelblocks/cse.h
@@ -345,6 +345,24 @@
void heci_init(void);
/*
+ * Send message msg of size len to host from host_addr to cse_addr.
+ * Returns CSE_TX_RX_SUCCESS on success and other enum values on failure scenarios.
+ * Also, in case of errors, heci_reset() is triggered.
+ */
+enum cse_tx_rx_status heci_send(const void *msg, size_t len, uint8_t host_addr,
+ uint8_t client_addr);
+
+/*
+ * Receive message into buff not exceeding maxlen. Message is considered
+ * successfully received if a 'complete' indication is read from ME side
+ * and there was enough space in the buffer to fit that message. maxlen
+ * is updated with size of message that was received.
+ * Returns CSE_TX_RX_SUCCESS on success and other enum values on failure scenarios.
+ * Also, in case of errors, heci_reset() is triggered.
+ */
+enum cse_tx_rx_status heci_receive(void *buff, size_t *maxlen);
+
+/*
* Send message from BIOS_HOST_ADDR to cse_addr.
* Sends snd_msg of size snd_sz, and reads message into buffer pointed by
* rcv_msg of size rcv_sz