1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * (C) Copyright 2000-2003
3*4882a593Smuzhiyun * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun /*
9*4882a593Smuzhiyun * Misc boot support
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun #include <common.h>
12*4882a593Smuzhiyun #include <command.h>
13*4882a593Smuzhiyun #include <net.h>
14*4882a593Smuzhiyun #include <asm/io.h>
15*4882a593Smuzhiyun #include <asm/arch/boot_mode.h>
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun #ifdef CONFIG_CMD_GO
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun /* Allow ports to override the default behavior */
20*4882a593Smuzhiyun __attribute__((weak))
do_go_exec(ulong (* entry)(int,char * const[]),int argc,char * const argv[])21*4882a593Smuzhiyun unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc,
22*4882a593Smuzhiyun char * const argv[])
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun #ifdef CONFIG_CPU_V7
25*4882a593Smuzhiyun ulong addr = (ulong)entry | 1;
26*4882a593Smuzhiyun entry = (void *)addr;
27*4882a593Smuzhiyun #endif
28*4882a593Smuzhiyun return entry (argc, argv);
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun
do_go(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])31*4882a593Smuzhiyun static int do_go(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun ulong addr, rc;
34*4882a593Smuzhiyun int rcode = 0;
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun if (argc < 2)
37*4882a593Smuzhiyun return CMD_RET_USAGE;
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun addr = simple_strtoul(argv[1], NULL, 16);
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun printf ("## Starting application at 0x%08lX ...\n", addr);
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun /*
44*4882a593Smuzhiyun * pass address parameter as argv[0] (aka command name),
45*4882a593Smuzhiyun * and all remaining args
46*4882a593Smuzhiyun */
47*4882a593Smuzhiyun rc = do_go_exec ((void *)addr, argc - 1, argv + 1);
48*4882a593Smuzhiyun if (rc != 0) rcode = 1;
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun printf ("## Application terminated, rc = 0x%lX\n", rc);
51*4882a593Smuzhiyun return rcode;
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun /* -------------------------------------------------------------------- */
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun U_BOOT_CMD(
57*4882a593Smuzhiyun go, CONFIG_SYS_MAXARGS, 1, do_go,
58*4882a593Smuzhiyun "start application at address 'addr'",
59*4882a593Smuzhiyun "addr [arg ...]\n - start application at address 'addr'\n"
60*4882a593Smuzhiyun " passing 'arg' as arguments"
61*4882a593Smuzhiyun );
62*4882a593Smuzhiyun #endif
63*4882a593Smuzhiyun
do_reboot_brom(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])64*4882a593Smuzhiyun static int do_reboot_brom(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun writel(BOOT_BROM_DOWNLOAD, CONFIG_ROCKCHIP_BOOT_MODE_REG);
67*4882a593Smuzhiyun do_reset(NULL, 0, 0, NULL);
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun return 0;
70*4882a593Smuzhiyun }
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun U_BOOT_CMD_ALWAYS(
73*4882a593Smuzhiyun rbrom, 1, 0, do_reboot_brom,
74*4882a593Smuzhiyun "Perform RESET of the CPU",
75*4882a593Smuzhiyun ""
76*4882a593Smuzhiyun );
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun U_BOOT_CMD(
79*4882a593Smuzhiyun reset, 2, 0, do_reset,
80*4882a593Smuzhiyun "Perform RESET of the CPU",
81*4882a593Smuzhiyun ""
82*4882a593Smuzhiyun );
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun U_BOOT_CMD(
85*4882a593Smuzhiyun reboot, 2, 0, do_reset,
86*4882a593Smuzhiyun "Perform RESET of the CPU, alias of 'reset'",
87*4882a593Smuzhiyun ""
88*4882a593Smuzhiyun );
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun #ifdef CONFIG_CMD_POWEROFF
91*4882a593Smuzhiyun U_BOOT_CMD(
92*4882a593Smuzhiyun poweroff, 1, 0, do_poweroff,
93*4882a593Smuzhiyun "Perform POWEROFF of the device",
94*4882a593Smuzhiyun ""
95*4882a593Smuzhiyun );
96*4882a593Smuzhiyun #endif
97