+// SPDX-License-Identifier: GPL-2.0+
/*
* K2HK: secure kernel command file
*
* (C) Copyright 2012-2014
* Texas Instruments Incorporated, <www.ti.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
+#include <image.h>
+#include <mach/mon.h>
asm(".arch_extension sec\n\t");
-static int mon_install(u32 addr, u32 dpsc, u32 freq)
-{
- int result;
-
- __asm__ __volatile__ (
- "stmfd r13!, {lr}\n"
- "mov r0, %1\n"
- "mov r1, %2\n"
- "mov r2, %3\n"
- "blx r0\n"
- "ldmfd r13!, {lr}\n"
- : "=&r" (result)
- : "r" (addr), "r" (dpsc), "r" (freq)
- : "cc", "r0", "r1", "r2", "memory");
- return result;
-}
-
-static int do_mon_install(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[])
+static int do_mon_install(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
- u32 addr, dpsc_base = 0x1E80000, freq;
+ u32 addr, dpsc_base = 0x1E80000, freq, load_addr, size;
int rcode = 0;
+ struct legacy_img_hdr *header;
+ u32 ecrypt_bm_addr = 0;
if (argc < 2)
return CMD_RET_USAGE;
- freq = clk_get_rate(sys_clk0_6_clk);
+ freq = CFG_SYS_HZ_CLOCK;
+
+ addr = hextoul(argv[1], NULL);
+
+ header = (struct legacy_img_hdr *)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 legacy_img_hdr)),
+ size);
- addr = simple_strtoul(argv[1], NULL, 16);
+ if (argc >= 3)
+ ecrypt_bm_addr = hextoul(argv[2], NULL);
- rcode = mon_install(addr, dpsc_base, freq);
- printf("## installed monitor, freq [%d], status %d\n",
- freq, rcode);
+ 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, 2, 0, do_mon_install,
+U_BOOT_CMD(mon_install, 3, 0, do_mon_install,
"Install boot kernel at 'addr'",
""
);
static void core_spin(void)
{
- while (1)
- ; /* forever */;
-}
-
-int mon_power_on(int core_id, void *ep)
-{
- int result;
-
- asm volatile (
- "stmfd r13!, {lr}\n"
- "mov r1, %1\n"
- "mov r2, %2\n"
- "mov r0, #0\n"
- "smc #0\n"
- "ldmfd r13!, {lr}\n"
- : "=&r" (result)
- : "r" (core_id), "r" (ep)
- : "cc", "r0", "r1", "r2", "memory");
- return result;
-}
-
-int mon_power_off(int core_id)
-{
- int result;
-
- asm volatile (
- "stmfd r13!, {lr}\n"
- "mov r1, %1\n"
- "mov r0, #1\n"
- "smc #1\n"
- "ldmfd r13!, {lr}\n"
- : "=&r" (result)
- : "r" (core_id)
- : "cc", "r0", "r1", "memory");
- return result;
+ 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 do_mon_power(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
int rcode = 0, core_id, on;
void (*fn)(void);
if (argc < 3)
return CMD_RET_USAGE;
- core_id = simple_strtoul(argv[1], NULL, 16);
- on = simple_strtoul(argv[2], NULL, 16);
+ core_id = hextoul(argv[1], NULL);
+ on = hextoul(argv[2], NULL);
if (on)
rcode = mon_power_on(core_id, fn);