2 * Copyright (c) 2008 Semihalf, Rafal Jaworowski
3 * Copyright (c) 2009 Semihalf, Piotr Ziecik
4 * Copyright (c) 2012 Andrey V. Elsukov <ae@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * Block storage I/O routines for U-Boot
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/param.h>
39 #include <machine/stdarg.h>
42 #include "api_public.h"
43 #include "bootstrap.h"
48 #define stor_printf(fmt, args...) do { \
49 printf("%s%d: ", dev->d_dev->dv_name, dev->d_unit); \
50 printf(fmt, ##args); \
54 #define debugf(fmt, args...) do { printf("%s(): ", __func__); \
55 printf(fmt,##args); } while (0)
57 #define debugf(fmt, args...)
61 int opened; /* device is opened */
62 int handle; /* storage device handle */
63 int type; /* storage type */
64 off_t blocks; /* block count */
65 u_int bsize; /* block size */
66 } stor_info[UB_MAX_DEV];
68 #define SI(dev) (stor_info[(dev)->d_unit])
70 static int stor_info_no = 0;
71 static int stor_opendev(struct disk_devdesc *);
72 static int stor_readdev(struct disk_devdesc *, daddr_t, size_t, char *);
75 static int stor_init(void);
76 static int stor_strategy(void *, int, daddr_t, size_t, char *, size_t *);
77 static int stor_open(struct open_file *, ...);
78 static int stor_close(struct open_file *);
79 static int stor_ioctl(struct open_file *f, u_long cmd, void *data);
80 static void stor_print(int);
81 static void stor_cleanup(void);
83 struct devsw uboot_storage = {
98 struct device_info *di;
102 printf("No U-Boot devices! Really enumerated?\n");
106 for (i = 0; i < devs_no; i++) {
108 if ((di != NULL) && (di->type & DEV_TYP_STOR)) {
109 if (stor_info_no >= UB_MAX_DEV) {
110 printf("Too many storage devices: %d\n",
114 stor_info[stor_info_no].handle = i;
115 stor_info[stor_info_no].opened = 0;
116 stor_info[stor_info_no].type = di->type;
117 stor_info[stor_info_no].blocks =
118 di->di_stor.block_count;
119 stor_info[stor_info_no].bsize =
120 di->di_stor.block_size;
126 debugf("No storage devices\n");
130 debugf("storage devices found: %d\n", stor_info_no);
139 for (i = 0; i < stor_info_no; i++)
140 if (stor_info[i].opened > 0)
141 ub_dev_close(stor_info[i].handle);
142 disk_cleanup(&uboot_storage);
146 stor_strategy(void *devdata, int rw, daddr_t blk, size_t size, char *buf,
149 struct disk_devdesc *dev = (struct disk_devdesc *)devdata;
154 stor_printf("write attempt, operation not supported!\n");
158 if (size % SI(dev).bsize) {
159 stor_printf("size=%d not multiple of device block size=%d\n",
160 size, SI(dev).bsize);
163 bcount = size / SI(dev).bsize;
167 err = stor_readdev(dev, blk + dev->d_offset, bcount, buf);
175 stor_open(struct open_file *f, ...)
178 struct disk_devdesc *dev;
181 dev = va_arg(ap, struct disk_devdesc *);
184 return (stor_opendev(dev));
188 stor_opendev(struct disk_devdesc *dev)
192 if (dev->d_unit < 0 || dev->d_unit >= stor_info_no)
195 if (SI(dev).opened == 0) {
196 err = ub_dev_open(SI(dev).handle);
198 stor_printf("device open failed with error=%d, "
199 "handle=%d\n", err, SI(dev).handle);
204 return (disk_open(dev, SI(dev).blocks * SI(dev).bsize,
209 stor_close(struct open_file *f)
211 struct disk_devdesc *dev;
213 dev = (struct disk_devdesc *)(f->f_devdata);
214 return (disk_close(dev));
218 stor_readdev(struct disk_devdesc *dev, daddr_t blk, size_t size, char *buf)
223 debugf("reading blk=%d size=%d @ 0x%08x\n", (int)blk, size, (uint32_t)buf);
225 err = ub_dev_read(SI(dev).handle, buf, size, blk, &real_size);
227 stor_printf("read failed, error=%d\n", err);
231 if (real_size != size) {
232 stor_printf("real size != size\n");
240 stor_print(int verbose)
242 struct disk_devdesc dev;
243 static char line[80];
246 for (i = 0; i < stor_info_no; i++) {
247 dev.d_dev = &uboot_storage;
250 dev.d_partition = -1;
251 sprintf(line, "\tdisk%d (%s)\n", i,
252 ub_stor_type(SI(&dev).type));
254 if (stor_opendev(&dev) == 0) {
255 sprintf(line, "\tdisk%d", i);
256 disk_print(&dev, line, verbose);
263 stor_ioctl(struct open_file *f, u_long cmd, void *data)
265 struct disk_devdesc *dev;
267 dev = (struct disk_devdesc *)f->f_devdata;
269 case DIOCGSECTORSIZE:
270 *(u_int *)data = SI(dev).bsize;
273 *(off_t *)data = SI(dev).bsize * SI(dev).blocks;
283 * Return the device unit number for the given type and type-relative unit
287 uboot_diskgetunit(int type, int type_unit)
293 for (i = 0; i < stor_info_no; i++) {
294 if ((stor_info[i].type & type) == type) {
295 if (local_type_unit == type_unit) {