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TQM8548: Basic support for the TQM8548 modules
[u-boot] / common / cmd_sata.c
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  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License as
12  * published by the Free Software Foundation; either version 2 of
13  * the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23  * MA 02111-1307 USA
24  */
25
26 #include <common.h>
27 #include <command.h>
28 #include <part.h>
29 #include <sata.h>
30
31 int curr_device = -1;
32 block_dev_desc_t sata_dev_desc[CFG_SATA_MAX_DEVICE];
33
34 int sata_initialize(void)
35 {
36         int rc;
37         int i;
38
39         for (i = 0; i < CFG_SATA_MAX_DEVICE; i++) {
40                 memset(&sata_dev_desc[i], 0, sizeof(struct block_dev_desc));
41                 sata_dev_desc[i].if_type = IF_TYPE_SATA;
42                 sata_dev_desc[i].dev = i;
43                 sata_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
44                 sata_dev_desc[i].type = DEV_TYPE_HARDDISK;
45                 sata_dev_desc[i].lba = 0;
46                 sata_dev_desc[i].blksz = 512;
47                 sata_dev_desc[i].block_read = sata_read;
48                 sata_dev_desc[i].block_write = sata_write;
49
50                 rc = init_sata(i);
51                 rc = scan_sata(i);
52                 if ((sata_dev_desc[i].lba > 0) && (sata_dev_desc[i].blksz > 0))
53                         init_part(&sata_dev_desc[i]);
54         }
55         curr_device = 0;
56         return rc;
57 }
58
59 block_dev_desc_t *sata_get_dev(int dev)
60 {
61         return (dev < CFG_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL;
62 }
63
64 int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
65 {
66         int rc = 0;
67
68         switch (argc) {
69         case 0:
70         case 1:
71                 printf("Usage:\n%s\n", cmdtp->usage);
72                 return 1;
73         case 2:
74                 if (strncmp(argv[1],"inf", 3) == 0) {
75                         int i;
76                         putc('\n');
77                         for (i = 0; i < CFG_SATA_MAX_DEVICE; ++i) {
78                                 if (sata_dev_desc[i].type == DEV_TYPE_UNKNOWN)
79                                         continue;
80                                 printf ("SATA device %d: ", i);
81                                 dev_print(&sata_dev_desc[i]);
82                         }
83                         return 0;
84                 } else if (strncmp(argv[1],"dev", 3) == 0) {
85                         if ((curr_device < 0) || (curr_device >= CFG_SATA_MAX_DEVICE)) {
86                                 puts("\nno SATA devices available\n");
87                                 return 1;
88                         }
89                         printf("\nSATA device %d: ", curr_device);
90                         dev_print(&sata_dev_desc[curr_device]);
91                         return 0;
92                 } else if (strncmp(argv[1],"part",4) == 0) {
93                         int dev, ok;
94
95                         for (ok = 0, dev = 0; dev < CFG_SATA_MAX_DEVICE; ++dev) {
96                                 if (sata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) {
97                                         ++ok;
98                                         if (dev)
99                                                 putc ('\n');
100                                         print_part(&sata_dev_desc[dev]);
101                                 }
102                         }
103                         if (!ok) {
104                                 puts("\nno SATA devices available\n");
105                                 rc ++;
106                         }
107                         return rc;
108                 }
109                 printf("Usage:\n%s\n", cmdtp->usage);
110                 return 1;
111         case 3:
112                 if (strncmp(argv[1], "dev", 3) == 0) {
113                         int dev = (int)simple_strtoul(argv[2], NULL, 10);
114
115                         printf("\nSATA device %d: ", dev);
116                         if (dev >= CFG_SATA_MAX_DEVICE) {
117                                 puts ("unknown device\n");
118                                 return 1;
119                         }
120                         dev_print(&sata_dev_desc[dev]);
121
122                         if (sata_dev_desc[dev].type == DEV_TYPE_UNKNOWN)
123                                 return 1;
124
125                         curr_device = dev;
126
127                         puts("... is now current device\n");
128
129                         return 0;
130                 } else if (strncmp(argv[1], "part", 4) == 0) {
131                         int dev = (int)simple_strtoul(argv[2], NULL, 10);
132
133                         if (sata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) {
134                                 print_part(&sata_dev_desc[dev]);
135                         } else {
136                                 printf("\nSATA device %d not available\n", dev);
137                                 rc = 1;
138                         }
139                         return rc;
140                 }
141                 printf ("Usage:\n%s\n", cmdtp->usage);
142                 return 1;
143
144         default: /* at least 4 args */
145                 if (strcmp(argv[1], "read") == 0) {
146                         ulong addr = simple_strtoul(argv[2], NULL, 16);
147                         ulong cnt = simple_strtoul(argv[4], NULL, 16);
148                         ulong n;
149                         lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
150
151                         printf("\nSATA read: device %d block # %ld, count %ld ... ",
152                                 curr_device, blk, cnt);
153
154                         n = sata_read(curr_device, blk, cnt, (u32 *)addr);
155
156                         /* flush cache after read */
157                         flush_cache(addr, cnt * sata_dev_desc[curr_device].blksz);
158
159                         printf("%ld blocks read: %s\n",
160                                 n, (n==cnt) ? "OK" : "ERROR");
161                         return (n == cnt) ? 0 : 1;
162                 } else if (strcmp(argv[1], "write") == 0) {
163                         ulong addr = simple_strtoul(argv[2], NULL, 16);
164                         ulong cnt = simple_strtoul(argv[4], NULL, 16);
165                         ulong n;
166
167                         lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
168
169                         printf("\nSATA write: device %d block # %ld, count %ld ... ",
170                                 curr_device, blk, cnt);
171
172                         n = sata_write(curr_device, blk, cnt, (u32 *)addr);
173
174                         printf("%ld blocks written: %s\n",
175                                 n, (n == cnt) ? "OK" : "ERROR");
176                         return (n == cnt) ? 0 : 1;
177                 } else {
178                         printf("Usage:\n%s\n", cmdtp->usage);
179                         rc = 1;
180                 }
181
182                 return rc;
183         }
184 }
185
186 U_BOOT_CMD(
187         sata, 5, 1, do_sata,
188         "sata   - SATA sub system\n",
189         "sata info - show available SATA devices\n"
190         "sata device [dev] - show or set current device\n"
191         "sata part [dev] - print partition table\n"
192         "sata read addr blk# cnt\n"
193         "sata write addr blk# cnt\n");