xref: /openbmc/u-boot/cmd/sata.c (revision fc0b5948)
1 /*
2  * Copyright (C) 2000-2005, DENX Software Engineering
3  *		Wolfgang Denk <wd@denx.de>
4  * Copyright (C) Procsys. All rights reserved.
5  *		Mushtaq Khan <mushtaq_k@procsys.com>
6  *			<mushtaqk_921@yahoo.co.in>
7  * Copyright (C) 2008 Freescale Semiconductor, Inc.
8  *		Dave Liu <daveliu@freescale.com>
9  *
10  * SPDX-License-Identifier:	GPL-2.0+
11  */
12 
13 #include <common.h>
14 #include <command.h>
15 #include <part.h>
16 #include <sata.h>
17 
18 static int sata_curr_device = -1;
19 
20 static int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
21 {
22 	int rc = 0;
23 
24 	if (argc == 2 && strcmp(argv[1], "stop") == 0)
25 		return sata_stop();
26 
27 	if (argc == 2 && strcmp(argv[1], "init") == 0) {
28 		if (sata_curr_device != -1)
29 			sata_stop();
30 
31 		return sata_initialize();
32 	}
33 
34 	/* If the user has not yet run `sata init`, do it now */
35 	if (sata_curr_device == -1)
36 		if (sata_initialize())
37 			return 1;
38 
39 	switch (argc) {
40 	case 0:
41 	case 1:
42 		return CMD_RET_USAGE;
43 	case 2:
44 		if (strncmp(argv[1], "inf", 3) == 0) {
45 			blk_list_devices(IF_TYPE_SATA);
46 			return 0;
47 		} else if (strncmp(argv[1], "dev", 3) == 0) {
48 			if (blk_print_device_num(IF_TYPE_SATA,
49 						 sata_curr_device)) {
50 				printf("\nno SATA devices available\n");
51 				return CMD_RET_FAILURE;
52 			}
53 			return 0;
54 		} else if (strncmp(argv[1], "part", 4) == 0) {
55 			if (blk_list_part(IF_TYPE_SATA))
56 				puts("\nno SATA devices available\n");
57 			return 0;
58 		}
59 		return CMD_RET_USAGE;
60 	case 3:
61 		if (strncmp(argv[1], "dev", 3) == 0) {
62 			int dev = (int)simple_strtoul(argv[2], NULL, 10);
63 
64 			if (!blk_show_device(IF_TYPE_SATA, dev)) {
65 				sata_curr_device = dev;
66 				printf("... is now current device\n");
67 			} else {
68 				return CMD_RET_FAILURE;
69 			}
70 			return 0;
71 		} else if (strncmp(argv[1], "part", 4) == 0) {
72 			int dev = (int)simple_strtoul(argv[2], NULL, 10);
73 
74 			if (blk_print_part_devnum(IF_TYPE_SATA, dev)) {
75 				printf("\nSATA device %d not available\n",
76 				       dev);
77 				return CMD_RET_FAILURE;
78 			}
79 			return rc;
80 		}
81 		return CMD_RET_USAGE;
82 
83 	default: /* at least 4 args */
84 		if (strcmp(argv[1], "read") == 0) {
85 			ulong addr = simple_strtoul(argv[2], NULL, 16);
86 			ulong cnt = simple_strtoul(argv[4], NULL, 16);
87 			ulong n;
88 			lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
89 
90 			printf("\nSATA read: device %d block # %ld, count %ld ... ",
91 				sata_curr_device, blk, cnt);
92 
93 			n = blk_read_devnum(IF_TYPE_SATA, sata_curr_device, blk,
94 					    cnt, (ulong *)addr);
95 
96 			printf("%ld blocks read: %s\n",
97 				n, (n==cnt) ? "OK" : "ERROR");
98 			return (n == cnt) ? 0 : 1;
99 		} else if (strcmp(argv[1], "write") == 0) {
100 			ulong addr = simple_strtoul(argv[2], NULL, 16);
101 			ulong cnt = simple_strtoul(argv[4], NULL, 16);
102 			ulong n;
103 
104 			lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
105 
106 			printf("\nSATA write: device %d block # %ld, count %ld ... ",
107 				sata_curr_device, blk, cnt);
108 
109 			n = blk_write_devnum(IF_TYPE_SATA, sata_curr_device,
110 					     blk, cnt, (ulong *)addr);
111 
112 			printf("%ld blocks written: %s\n",
113 				n, (n == cnt) ? "OK" : "ERROR");
114 			return (n == cnt) ? 0 : 1;
115 		} else {
116 			return CMD_RET_USAGE;
117 		}
118 
119 		return rc;
120 	}
121 }
122 
123 U_BOOT_CMD(
124 	sata, 5, 1, do_sata,
125 	"SATA sub system",
126 	"init - init SATA sub system\n"
127 	"sata stop - disable SATA sub system\n"
128 	"sata info - show available SATA devices\n"
129 	"sata device [dev] - show or set current device\n"
130 	"sata part [dev] - print partition table\n"
131 	"sata read addr blk# cnt\n"
132 	"sata write addr blk# cnt"
133 );
134