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