1 /*
2 * (C) Copyright 2000-2003
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8 /*
9 * Misc boot support
10 */
11 #include <common.h>
12 #include <command.h>
13 #include <net.h>
14 #include <asm/io.h>
15 #include <asm/arch/boot_mode.h>
16
17 #ifdef CONFIG_CMD_GO
18
19 /* Allow ports to override the default behavior */
20 __attribute__((weak))
do_go_exec(ulong (* entry)(int,char * const[]),int argc,char * const argv[])21 unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc,
22 char * const argv[])
23 {
24 #ifdef CONFIG_CPU_V7
25 ulong addr = (ulong)entry | 1;
26 entry = (void *)addr;
27 #endif
28 return entry (argc, argv);
29 }
30
do_go(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])31 static int do_go(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
32 {
33 ulong addr, rc;
34 int rcode = 0;
35
36 if (argc < 2)
37 return CMD_RET_USAGE;
38
39 addr = simple_strtoul(argv[1], NULL, 16);
40
41 printf ("## Starting application at 0x%08lX ...\n", addr);
42
43 /*
44 * pass address parameter as argv[0] (aka command name),
45 * and all remaining args
46 */
47 rc = do_go_exec ((void *)addr, argc - 1, argv + 1);
48 if (rc != 0) rcode = 1;
49
50 printf ("## Application terminated, rc = 0x%lX\n", rc);
51 return rcode;
52 }
53
54 /* -------------------------------------------------------------------- */
55
56 U_BOOT_CMD(
57 go, CONFIG_SYS_MAXARGS, 1, do_go,
58 "start application at address 'addr'",
59 "addr [arg ...]\n - start application at address 'addr'\n"
60 " passing 'arg' as arguments"
61 );
62 #endif
63
do_reboot_brom(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])64 static int do_reboot_brom(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
65 {
66 writel(BOOT_BROM_DOWNLOAD, CONFIG_ROCKCHIP_BOOT_MODE_REG);
67 do_reset(NULL, 0, 0, NULL);
68
69 return 0;
70 }
71
72 U_BOOT_CMD_ALWAYS(
73 rbrom, 1, 0, do_reboot_brom,
74 "Perform RESET of the CPU",
75 ""
76 );
77
78 U_BOOT_CMD(
79 reset, 2, 0, do_reset,
80 "Perform RESET of the CPU",
81 ""
82 );
83
84 U_BOOT_CMD(
85 reboot, 2, 0, do_reset,
86 "Perform RESET of the CPU, alias of 'reset'",
87 ""
88 );
89
90 #ifdef CONFIG_CMD_POWEROFF
91 U_BOOT_CMD(
92 poweroff, 1, 0, do_poweroff,
93 "Perform POWEROFF of the device",
94 ""
95 );
96 #endif
97