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#include <config.h>
#include <common.h>
#include <asm/arch/io.h>
#include <command.h>
#include <malloc.h>
#include <asm/arch/bl31_apis.h>
#include <asm/cpu_id.h>
#include <amlogic/jtag.h>
static int get_jtag_sel(const char *argv)
{
int sel;
if (strcmp(argv, "apao") == 0)
sel = JTAG_A53_AO;
else if (strcmp(argv, "apee") == 0)
sel = JTAG_A53_EE;
else if (strcmp(argv, "scpao") == 0)
sel = JTAG_M3_AO;
else if (strcmp(argv, "scpee") == 0)
sel = JTAG_M3_EE;
else
sel = -1;
return sel;
}
int do_jtagon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int sel;
if (argc < 2) {
printf("invalid argument count!\n");
return -1;
}
sel = get_jtag_sel(argv[1]);
if (sel < 0) {
printf("invalid argument!\n");
return -1;
}
jtag_set_pinmux(sel, 1);
if ((get_cpu_id().family_id == MESON_CPU_MAJOR_ID_GXM) && (sel >1)) {
if (argv[2]) {
int tmp = simple_strtoul(argv[2], NULL, 10);
sel = sel | (tmp << CLUSTER_BIT);
} else {
printf("gxm: set A53 jtag to cluster0 by default!\n");
}
}
aml_set_jtag_state(JTAG_STATE_ON, sel);
return 0;
}
U_BOOT_CMD(
jtagon, 3, 1, do_jtagon,
"enable jtag",
"jtagon [apao|apee|scpao|scpee] [0|1]\n"
" [apao|apee|scpao|scpee] - ap or scp jtag connect to ao or ee domain\n"
" [0|1] - special for gxm, ap jtag to cluster 0 or cluster 1\n"
);
int do_jtagoff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int sel;
if (argc < 2) {
printf("invalid argument count!\n");
return -1;
}
sel = get_jtag_sel(argv[1]);
if (sel < 0) {
printf("invalid argument!\n");
return -1;
}
jtag_set_pinmux(sel, 0);
aml_set_jtag_state(JTAG_STATE_OFF, sel);
return 0;
}
U_BOOT_CMD(
jtagoff, 2, 1, do_jtagoff,
"disable jtag",
"jtagoff [apao|apee|scpao|scpee]"
);
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