1 files changed, 0 insertions, 128 deletions
diff --git a/chip/mt_scp/rv32i_common/hostcmd.c b/chip/mt_scp/rv32i_common/hostcmd.c
deleted file mode 100644
index 42a463ee56..0000000000
--- a/chip/mt_scp/rv32i_common/hostcmd.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/* Copyright 2020 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "console.h"
-#include "host_command.h"
-#include "ipi_chip.h"
-#include "util.h"
-
-#define CPRINTF(format, args...) cprintf(CC_IPI, format, ##args)
-#define CPRINTS(format, args...) cprints(CC_IPI, format, ##args)
-
-#define HOSTCMD_MAX_REQUEST_SIZE CONFIG_IPC_SHARED_OBJ_BUF_SIZE
-/* Reserve 1 extra byte for HOSTCMD_TYPE and 3 bytes for padding. */
-#define HOSTCMD_MAX_RESPONSE_SIZE (CONFIG_IPC_SHARED_OBJ_BUF_SIZE - 4)
-#define HOSTCMD_TYPE_HOSTCMD 1
-#define HOSTCMD_TYPE_HOSTEVENT 2
-
-/*
- * hostcmd and hostevent share the same IPI ID, and use first byte type to
- * indicate its type.
- */
-static struct hostcmd_data {
-	const uint8_t type;
-	/* To be compatible with CONFIG_HOSTCMD_ALIGNED */
-	uint8_t response[HOSTCMD_MAX_RESPONSE_SIZE] __aligned(4);
-} hc_cmd_obj = { .type = HOSTCMD_TYPE_HOSTCMD };
-BUILD_ASSERT(sizeof(struct hostcmd_data) == CONFIG_IPC_SHARED_OBJ_BUF_SIZE);
-
-/* Size of the rpmsg device name, should sync across kernel and EC. */
-#define RPMSG_NAME_SIZE 32
-
-/*
- * The layout of name service message.
- * This should sync across kernel and EC.
- */
-struct rpmsg_ns_msg {
-	/* Name of the corresponding rpmsg_driver. */
-	char name[RPMSG_NAME_SIZE];
-	/* IPC ID */
-	uint32_t addr;
-};
-
-static void hostcmd_send_response_packet(struct host_packet *pkt)
-{
-	int ret;
-
-	ret = ipi_send(SCP_IPI_HOST_COMMAND, &hc_cmd_obj,
-		       pkt->response_size +
-			       offsetof(struct hostcmd_data, response),
-		       1);
-	if (ret)
-		CPRINTS("failed to %s(), ret=%d", __func__, ret);
-}
-
-static void hostcmd_handler(int32_t id, void *buf, uint32_t len)
-{
-	static struct host_packet packet;
-	uint8_t *in_msg = buf;
-	struct ec_host_request *r = (struct ec_host_request *)in_msg;
-	int i;
-
-	if (in_msg[0] != EC_HOST_REQUEST_VERSION) {
-		CPRINTS("ERROR: Protocol V2 is not supported!");
-		CPRINTF("in_msg=[");
-		for (i = 0; i < len; i++)
-			CPRINTF("%02x ", in_msg[i]);
-		CPRINTF("]\n");
-		return;
-	}
-
-	/* Protocol version 3 */
-
-	packet.send_response = hostcmd_send_response_packet;
-
-	/*
-	 * Just assign the buffer to request, host_packet_receive
-	 * handles the buffer copy.
-	 */
-	packet.request = (void *)r;
-	packet.request_temp = NULL;
-	packet.request_max = HOSTCMD_MAX_REQUEST_SIZE;
-	packet.request_size = host_request_expected_size(r);
-
-	packet.response = hc_cmd_obj.response;
-	/* Reserve space for the preamble and trailing byte */
-	packet.response_max = HOSTCMD_MAX_RESPONSE_SIZE;
-	packet.response_size = 0;
-
-	packet.driver_result = EC_RES_SUCCESS;
-
-	host_packet_receive(&packet);
-}
-DECLARE_IPI(SCP_IPI_HOST_COMMAND, hostcmd_handler, 0);
-
-/*
- * Get protocol information
- */
-static enum ec_status hostcmd_get_protocol_info(struct host_cmd_handler_args *args)
-{
-	struct ec_response_get_protocol_info *r = args->response;
-
-	memset(r, 0, sizeof(*r));
-	r->protocol_versions |= BIT(3);
-	r->max_request_packet_size = HOSTCMD_MAX_REQUEST_SIZE;
-	r->max_response_packet_size = HOSTCMD_MAX_RESPONSE_SIZE;
-
-	args->response_size = sizeof(*r);
-
-	return EC_SUCCESS;
-}
-DECLARE_HOST_COMMAND(EC_CMD_GET_PROTOCOL_INFO, hostcmd_get_protocol_info,
-		     EC_VER_MASK(0));
-
-void hostcmd_init(void)
-{
-	int ret;
-	struct rpmsg_ns_msg ns_msg;
-
-	if (IS_ENABLED(CONFIG_RPMSG_NAME_SERVICE)) {
-		ns_msg.addr = SCP_IPI_HOST_COMMAND;
-		strncpy(ns_msg.name, "cros-ec-rpmsg", RPMSG_NAME_SIZE);
-		ret = ipi_send(SCP_IPI_NS_SERVICE, &ns_msg, sizeof(ns_msg), 1);
-		if (ret)
-			CPRINTS("Failed to announce host command channel");
-	}
-}