xref: /OK3568_Linux_fs/u-boot/cmd/rknand.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) (C) Copyright 2016-2017 Rockchip Electronics Co., Ltd
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <command.h>
9*4882a593Smuzhiyun #include <dm.h>
10*4882a593Smuzhiyun #include <rknand.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun static int rknand_curr_dev;
do_rknand(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])13*4882a593Smuzhiyun static int do_rknand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun 	int ret;
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun 	if (argc == 2) {
18*4882a593Smuzhiyun 		if (strncmp(argv[1], "scan", 4) == 0) {
19*4882a593Smuzhiyun 			ret = rknand_scan_namespace();
20*4882a593Smuzhiyun 			if (ret)
21*4882a593Smuzhiyun 				return CMD_RET_FAILURE;
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun 			return ret;
24*4882a593Smuzhiyun 		}
25*4882a593Smuzhiyun 	}
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun 	return blk_common_cmd(argc, argv, IF_TYPE_RKNAND, &rknand_curr_dev);
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun U_BOOT_CMD(
31*4882a593Smuzhiyun 	rknand, 8, 1, do_rknand,
32*4882a593Smuzhiyun 	"rockchip nand flash sub-system",
33*4882a593Smuzhiyun 	"scan - scan Nand devices\n"
34*4882a593Smuzhiyun 	"rknand info - show all available Nand devices\n"
35*4882a593Smuzhiyun 	"rknand device [dev] - show or set current Nand device\n"
36*4882a593Smuzhiyun 	"rknand part [dev] - print partition table of one or all Nand devices\n"
37*4882a593Smuzhiyun 	"rknand read addr blk# cnt - read `cnt' blocks starting at block\n"
38*4882a593Smuzhiyun 	"     `blk#' to memory address `addr'\n"
39*4882a593Smuzhiyun 	"rknand write addr blk# cnt - write `cnt' blocks starting at block\n"
40*4882a593Smuzhiyun 	"     `blk#' from memory address `addr'"
41*4882a593Smuzhiyun );
42