GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/plat/hisilicon/hikey960/hikey960_mcu_load.c

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <string.h>
+
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <lib/mmio.h>
+
+#include <hi3660.h>
+
+#define ADDR_CONVERT(addr)		((addr) < 0x40000 ?	\
+					 (addr) + 0xFFF30000 :	\
+					 (addr) + 0x40000000)
+
+static void fw_data_init(void)
+{
+	unsigned long data_head_addr;
+	unsigned int *data_addr;
+
+	data_head_addr = mmio_read_32((uintptr_t) HISI_DATA_HEAD_BASE) + 0x14;
+	data_addr = (unsigned int *) ADDR_CONVERT(data_head_addr);
+
+	memcpy((void *)HISI_DATA0_BASE,
+	       (const void *)(unsigned long)ADDR_CONVERT(data_addr[0]),
+	       HISI_DATA0_SIZE);
+	memcpy((void *)HISI_DATA1_BASE,
+	       (const void *)(unsigned long)ADDR_CONVERT(data_addr[1]),
+	       HISI_DATA1_SIZE);
+}
+
+int load_lpm3(void)
+{
+	INFO("start fw loading\n");
+
+	fw_data_init();
+
+	flush_dcache_range((uintptr_t)HISI_RESERVED_MEM_BASE,
+			   HISI_RESERVED_MEM_SIZE);
+
+	sev();
+	sev();
+
+	INFO("fw load success\n");
+
+	return 0;
+}