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#include <common.h>
#include <command.h>
#include <init.h>
#include <driver.h>
#include <malloc.h>
#include <asm-generic/errno.h>
#include <errno.h>
static struct device_d global_dev;
int global_add_parameter(struct param_d *param)
{
return dev_add_parameter(&global_dev, param);
}
static struct device_d global_dev = {
.name = "global",
.id = "env",
.map_base = 0,
.size = 0,
};
static struct driver_d global_driver = {
.name = "global",
.probe = dummy_probe,
};
static int global_init(void)
{
register_device(&global_dev);
register_driver(&global_driver);
return 0;
}
coredevice_initcall(global_init);
static int do_get( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
struct device_d *dev;
struct param_d *param;
if (argc < 3) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
dev = device_from_spec_str(argv[1], NULL);
if (!dev) {
printf("no such device: %s\n", argv[1]);
return 1;
}
param = dev_get_param(dev, argv[2]);
print_param(param);
printf("\n");
return 0;
}
U_BOOT_CMD(
get, 3, 0, do_get,
"get - get device variables\n",
"\n"
);
static int do_set( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
struct device_d *dev;
char *endp;
int ret;
struct param_d *param;
value_t val;
if (argc < 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
dev = device_from_spec_str(argv[1], &endp);
if (!dev) {
printf("no such device: %s\n", argv[1]);
return 1;
}
param = get_param_by_name(dev, argv[2]);
if (!param) {
printf("device %s has no parameter %s\n", dev->id, argv[2]);
return 1;
}
switch (param->type) {
case PARAM_TYPE_STRING:
val.val_str = argv[3];
break;
case PARAM_TYPE_ULONG:
val.val_ulong = simple_strtoul(argv[3], NULL, 0);
break;
case PARAM_TYPE_IPADDR:
val.val_ip = string_to_ip(argv[3]);
break;
}
ret = dev_set_param(dev, argv[2], val);
if (ret)
perror("set parameter");
return ret;
}
U_BOOT_CMD(
set, 4, 0, do_set,
"set - set device variables\n",
"\n"
);
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