xref: /openbmc/u-boot/examples/api/demo.c (revision 5794619e)
1 /*
2  * (C) Copyright 2007-2008 Semihalf
3  *
4  * Written by: Rafal Jaworowski <raj@semihalf.com>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  *
24  */
25 
26 #include <common.h>
27 #include <linux/types.h>
28 #include <api_public.h>
29 
30 #include "glue.h"
31 
32 #define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
33 
34 #define BUF_SZ		2048
35 #define WAIT_SECS	5
36 
37 void	test_dump_buf(void *, int);
38 void	test_dump_di(int);
39 void	test_dump_si(struct sys_info *);
40 void	test_dump_sig(struct api_signature *);
41 
42 static char buf[BUF_SZ];
43 
44 int main(int argc, char *argv[])
45 {
46 	int rv = 0, h, i, j, devs_no;
47 	struct api_signature *sig = NULL;
48 	ulong start, now;
49 	struct device_info *di;
50 	lbasize_t rlen;
51 
52 	if (!api_search_sig(&sig))
53 		return -1;
54 
55 	syscall_ptr = sig->syscall;
56 	if (syscall_ptr == NULL)
57 		return -2;
58 
59 	if (sig->version > API_SIG_VERSION)
60 		return -3;
61 
62 	printf("API signature found @%x\n", (unsigned int)sig);
63 	test_dump_sig(sig);
64 
65 	printf("\n*** Consumer API test ***\n");
66 	printf("syscall ptr 0x%08x@%08x\n", (unsigned int)syscall_ptr,
67 		(unsigned int)&syscall_ptr);
68 
69 	/* console activities */
70 	ub_putc('B');
71 
72 	printf("*** Press any key to continue ***\n");
73 	printf("got char 0x%x\n", ub_getc());
74 
75 	/* system info */
76 	test_dump_si(ub_get_sys_info());
77 
78 	/* timing */
79 	printf("\n*** Timing - wait a couple of secs ***\n");
80 	start = ub_get_timer(0);
81 	printf("\ntime: start %lu\n\n", start);
82 	for (i = 0; i < WAIT_SECS; i++)
83 		for (j = 0; j < 1000; j++)
84 			ub_udelay(1000);	/* wait 1 ms */
85 
86 	/* this is the number of milliseconds that passed from ub_get_timer(0) */
87 	now = ub_get_timer(start);
88 	printf("\ntime: now %lu\n\n", now);
89 
90 	/* enumerate devices */
91 	printf("\n*** Enumerate devices ***\n");
92 	devs_no = ub_dev_enum();
93 
94 	printf("Number of devices found: %d\n", devs_no);
95 	if (devs_no == 0)
96 		return -1;
97 
98 	printf("\n*** Show devices ***\n");
99 	for (i = 0; i < devs_no; i++) {
100 		test_dump_di(i);
101 		printf("\n");
102 	}
103 
104 	printf("\n*** Operations on devices ***\n");
105 
106 	/* test opening a device already opened */
107 	h = 0;
108 	if ((rv = ub_dev_open(h)) != 0) {
109 		errf("open device %d error %d\n", h, rv);
110 		return -1;
111 	}
112 	if ((rv = ub_dev_open(h)) != 0)
113 		errf("open device %d error %d\n", h, rv);
114 
115 	ub_dev_close(h);
116 
117 	/* test storage */
118 	printf("Trying storage devices...\n");
119 	for (i = 0; i < devs_no; i++) {
120 		di = ub_dev_get(i);
121 
122 		if (di->type & DEV_TYP_STOR)
123 			break;
124 
125 	}
126 	if (i == devs_no)
127 		printf("No storage devices available\n");
128 	else {
129 		memset(buf, 0, BUF_SZ);
130 
131 		if ((rv = ub_dev_open(i)) != 0)
132 			errf("open device %d error %d\n", i, rv);
133 
134 		else if ((rv = ub_dev_read(i, buf, 1, 0, &rlen)) != 0)
135 			errf("could not read from device %d, error %d\n", i, rv);
136 		else {
137 			printf("Sector 0 dump (512B):\n");
138 			test_dump_buf(buf, 512);
139 		}
140 
141 		ub_dev_close(i);
142 	}
143 
144 	/* test networking */
145 	printf("Trying network devices...\n");
146 	for (i = 0; i < devs_no; i++) {
147 		di = ub_dev_get(i);
148 
149 		if (di->type == DEV_TYP_NET)
150 			break;
151 
152 	}
153 	if (i == devs_no)
154 		printf("No network devices available\n");
155 	else {
156 		if ((rv = ub_dev_open(i)) != 0)
157 			errf("open device %d error %d\n", i, rv);
158 		else if ((rv = ub_dev_send(i, &buf, 2048)) != 0)
159 			errf("could not send to device %d, error %d\n", i, rv);
160 
161 		ub_dev_close(i);
162 	}
163 
164 	if (ub_dev_close(h) != 0)
165 		errf("could not close device %d\n", h);
166 
167 	printf("\n*** Env vars ***\n");
168 
169 	printf("ethact = %s\n", ub_env_get("ethact"));
170 	printf("old fileaddr = %s\n", ub_env_get("fileaddr"));
171 	ub_env_set("fileaddr", "deadbeef");
172 	printf("new fileaddr = %s\n", ub_env_get("fileaddr"));
173 
174 	const char *env = NULL;
175 
176 	while ((env = ub_env_enum(env)) != NULL)
177 		printf("%s = %s\n", env, ub_env_get(env));
178 
179 	/* reset */
180 	printf("\n*** Resetting board ***\n");
181 	ub_reset();
182 	printf("\nHmm, reset returned...?!\n");
183 
184 	return rv;
185 }
186 
187 void test_dump_sig(struct api_signature *sig)
188 {
189 	printf("signature:\n");
190 	printf("  version\t= %d\n", sig->version);
191 	printf("  checksum\t= 0x%08x\n", sig->checksum);
192 	printf("  sc entry\t= 0x%08x\n", (unsigned int)sig->syscall);
193 }
194 
195 void test_dump_si(struct sys_info *si)
196 {
197 	int i;
198 
199 	printf("sys info:\n");
200 	printf("  clkbus\t= 0x%08x\n", (unsigned int)si->clk_bus);
201 	printf("  clkcpu\t= 0x%08x\n", (unsigned int)si->clk_cpu);
202 	printf("  bar\t\t= 0x%08x\n", (unsigned int)si->bar);
203 
204 	printf("---\n");
205 	for (i = 0; i < si->mr_no; i++) {
206 		if (si->mr[i].flags == 0)
207 			break;
208 
209 		printf("  start\t= 0x%08lx\n", si->mr[i].start);
210 		printf("  size\t= 0x%08lx\n", si->mr[i].size);
211 
212 		switch(si->mr[i].flags & 0x000F) {
213 			case MR_ATTR_FLASH:
214 				printf("  type FLASH\n");
215 				break;
216 			case MR_ATTR_DRAM:
217 				printf("  type DRAM\n");
218 				break;
219 			case MR_ATTR_SRAM:
220 				printf("  type SRAM\n");
221 				break;
222 			default:
223 				printf("  type UNKNOWN\n");
224 		}
225 		printf("---\n");
226 	}
227 }
228 
229 static char *test_stor_typ(int type)
230 {
231 	if (type & DT_STOR_IDE)
232 		return "IDE";
233 
234 	if (type & DT_STOR_MMC)
235 		return "MMC";
236 
237 	if (type & DT_STOR_SATA)
238 		return "SATA";
239 
240 	if (type & DT_STOR_SCSI)
241 		return "SCSI";
242 
243 	if (type & DT_STOR_USB)
244 		return "USB";
245 
246 	return "Unknown";
247 }
248 
249 void test_dump_buf(void *buf, int len)
250 {
251 	int i;
252 	int line_counter = 0;
253 	int sep_flag = 0;
254 	int addr = 0;
255 
256 	printf("%07x:\t", addr);
257 
258 	for (i = 0; i < len; i++) {
259 		if (line_counter++ > 15) {
260 			line_counter = 0;
261 			sep_flag = 0;
262 			addr += 16;
263 			i--;
264 			printf("\n%07x:\t", addr);
265 			continue;
266 		}
267 
268 		if (sep_flag++ > 1) {
269 			sep_flag = 1;
270 			printf(" ");
271 		}
272 
273 		printf("%02x", *((char *)buf++));
274 	}
275 
276 	printf("\n");
277 }
278 
279 void test_dump_di(int handle)
280 {
281 	int i;
282 	struct device_info *di = ub_dev_get(handle);
283 
284 	printf("device info (%d):\n", handle);
285 	printf("  cookie\t= 0x%08x\n", (uint32_t)di->cookie);
286 	printf("  type\t\t= 0x%08x\n", di->type);
287 
288 	if (di->type == DEV_TYP_NET) {
289 		printf("  hwaddr\t= ");
290 		for (i = 0; i < 6; i++)
291 			printf("%02x ", di->di_net.hwaddr[i]);
292 
293 		printf("\n");
294 
295 	} else if (di->type & DEV_TYP_STOR) {
296 		printf("  type\t\t= %s\n", test_stor_typ(di->type));
297 		printf("  blk size\t\t= %d\n", (unsigned int)di->di_stor.block_size);
298 		printf("  blk count\t\t= %d\n", (unsigned int)di->di_stor.block_count);
299 	}
300 }
301