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

2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * K2HK: secure kernel command file
+ *
+ * (C) Copyright 2012-2014
+ *     Texas Instruments Incorporated, <www.ti.com>
+ */
+
+#include <common.h>
+#include <command.h>
+#include <image.h>
+#include <mach/mon.h>
+asm(".arch_extension sec\n\t");
+
+static int do_mon_install(cmd_tbl_t *cmdtp, int flag, int argc,
+			  char * const argv[])
+{
+	u32 addr, dpsc_base = 0x1E80000, freq, load_addr, size;
+	int     rcode = 0;
+	struct image_header *header;
+	u32 ecrypt_bm_addr = 0;
+
+	if (argc < 2)
+		return CMD_RET_USAGE;
+
+	freq = CONFIG_SYS_HZ_CLOCK;
+
+	addr = simple_strtoul(argv[1], NULL, 16);
+
+	header = (struct image_header *)addr;
+
+	if (image_get_magic(header) != IH_MAGIC) {
+		printf("## Please update monitor image\n");
+		return -EFAULT;
+	}
+
+	load_addr = image_get_load(header);
+	size = image_get_data_size(header);
+	memcpy((void *)load_addr, (void *)(addr + sizeof(struct image_header)),
+	       size);
+
+	if (argc >=  3)
+		ecrypt_bm_addr = simple_strtoul(argv[2], NULL, 16);
+
+	rcode = mon_install(load_addr, dpsc_base, freq, ecrypt_bm_addr);
+	printf("## installed monitor @ 0x%x, freq [%d], status %d\n",
+	       load_addr, freq, rcode);
+
+	return 0;
+}
+
+U_BOOT_CMD(mon_install, 3, 0, do_mon_install,
+	   "Install boot kernel at 'addr'",
+	   ""
+);
+
+static void core_spin(void)
+{
+	while (1) {
+		asm volatile (
+			"dsb\n"
+			"isb\n"
+			"wfi\n"
+		);
+	}
+}
+
+int do_mon_power(cmd_tbl_t *cmdtp, int flag, int argc,
+			char * const argv[])
+{
+	int     rcode = 0, core_id, on;
+	void (*fn)(void);
+
+	fn = core_spin;
+
+	if (argc < 3)
+		return CMD_RET_USAGE;
+
+	core_id = simple_strtoul(argv[1], NULL, 16);
+	on = simple_strtoul(argv[2], NULL, 16);
+
+	if (on)
+		rcode = mon_power_on(core_id, fn);
+	else
+		rcode = mon_power_off(core_id);
+
+	if (on) {
+		if (!rcode)
+			printf("core %d powered on successfully\n", core_id);
+		else
+			printf("core %d power on failure\n", core_id);
+	} else {
+		printf("core %d powered off successfully\n", core_id);
+	}
+
+	return 0;
+}
+
+U_BOOT_CMD(mon_power, 3, 0, do_mon_power,
+	   "Power On/Off secondary core",
+	   "mon_power <coreid> <oper>\n"
+	   "- coreid (1-3) and oper (1 - ON, 0 - OFF)\n"
+	   ""
+);