1*666028fcSMichalis Pappas // SPDX-License-Identifier: GPL-2.0+
2*666028fcSMichalis Pappas /*
3*666028fcSMichalis Pappas * Copyright 2018
4*666028fcSMichalis Pappas * Michalis Pappas <mpappas@fastmail.fm>
5*666028fcSMichalis Pappas */
6*666028fcSMichalis Pappas #include <asm/psci.h>
7*666028fcSMichalis Pappas #include <common.h>
8*666028fcSMichalis Pappas #include <command.h>
9*666028fcSMichalis Pappas #include <linux/arm-smccc.h>
10*666028fcSMichalis Pappas #include <linux/compiler.h>
11*666028fcSMichalis Pappas #include <linux/psci.h>
12*666028fcSMichalis Pappas
do_call(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])13*666028fcSMichalis Pappas static int do_call(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
14*666028fcSMichalis Pappas {
15*666028fcSMichalis Pappas struct arm_smccc_res res;
16*666028fcSMichalis Pappas
17*666028fcSMichalis Pappas unsigned long fid;
18*666028fcSMichalis Pappas
19*666028fcSMichalis Pappas unsigned long a1;
20*666028fcSMichalis Pappas unsigned long a2;
21*666028fcSMichalis Pappas unsigned long a3;
22*666028fcSMichalis Pappas unsigned long a4;
23*666028fcSMichalis Pappas unsigned long a5;
24*666028fcSMichalis Pappas unsigned long a6;
25*666028fcSMichalis Pappas unsigned long a7;
26*666028fcSMichalis Pappas
27*666028fcSMichalis Pappas if (argc < 2)
28*666028fcSMichalis Pappas return CMD_RET_USAGE;
29*666028fcSMichalis Pappas
30*666028fcSMichalis Pappas fid = simple_strtoul(argv[1], NULL, 16);
31*666028fcSMichalis Pappas
32*666028fcSMichalis Pappas a1 = argc > 2 ? simple_strtoul(argv[2], NULL, 16) : 0;
33*666028fcSMichalis Pappas a2 = argc > 3 ? simple_strtoul(argv[3], NULL, 16) : 0;
34*666028fcSMichalis Pappas a3 = argc > 4 ? simple_strtoul(argv[4], NULL, 16) : 0;
35*666028fcSMichalis Pappas a4 = argc > 5 ? simple_strtoul(argv[5], NULL, 16) : 0;
36*666028fcSMichalis Pappas a5 = argc > 6 ? simple_strtoul(argv[6], NULL, 16) : 0;
37*666028fcSMichalis Pappas a6 = argc > 7 ? simple_strtoul(argv[7], NULL, 16) : 0;
38*666028fcSMichalis Pappas a7 = argc > 8 ? simple_strtoul(argv[8], NULL, 16) : 0;
39*666028fcSMichalis Pappas
40*666028fcSMichalis Pappas if (!strcmp(argv[0], "smc"))
41*666028fcSMichalis Pappas arm_smccc_smc(fid, a1, a2, a3, a4, a5, a6, a7, &res);
42*666028fcSMichalis Pappas else
43*666028fcSMichalis Pappas arm_smccc_hvc(fid, a1, a2, a3, a4, a5, a6, a7, &res);
44*666028fcSMichalis Pappas
45*666028fcSMichalis Pappas printf("Res: %ld %ld %ld %ld\n", res.a0, res.a1, res.a2, res.a3);
46*666028fcSMichalis Pappas
47*666028fcSMichalis Pappas return 0;
48*666028fcSMichalis Pappas }
49*666028fcSMichalis Pappas
50*666028fcSMichalis Pappas #ifdef CONFIG_CMD_SMC
51*666028fcSMichalis Pappas U_BOOT_CMD(
52*666028fcSMichalis Pappas smc, 8, 2, do_call,
53*666028fcSMichalis Pappas "Issue a Secure Monitor Call",
54*666028fcSMichalis Pappas "<fid> [arg1 ... arg6] [id]\n"
55*666028fcSMichalis Pappas " - fid Function ID\n"
56*666028fcSMichalis Pappas " - arg SMC arguments, passed to X1-X6 (default to zero)\n"
57*666028fcSMichalis Pappas " - id Secure OS ID / Session ID, passed to W7 (defaults to zero)\n"
58*666028fcSMichalis Pappas );
59*666028fcSMichalis Pappas #endif
60*666028fcSMichalis Pappas
61*666028fcSMichalis Pappas #ifdef CONFIG_CMD_HVC
62*666028fcSMichalis Pappas U_BOOT_CMD(
63*666028fcSMichalis Pappas hvc, 8, 2, do_call,
64*666028fcSMichalis Pappas "Issue a Hypervisor Call",
65*666028fcSMichalis Pappas "<fid> [arg1...arg7] [id]\n"
66*666028fcSMichalis Pappas " - fid Function ID\n"
67*666028fcSMichalis Pappas " - arg HVC arguments, passed to X1-X6 (default to zero)\n"
68*666028fcSMichalis Pappas " - id Session ID, passed to W7 (defaults to zero)\n"
69*666028fcSMichalis Pappas );
70*666028fcSMichalis Pappas #endif
71*666028fcSMichalis Pappas
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