xref: /openbmc/u-boot/examples/api/demo.c (revision e77e65df)
1 /*
2  * (C) Copyright 2007-2008 Semihalf
3  *
4  * Written by: Rafal Jaworowski <raj@semihalf.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <linux/types.h>
11 #include <api_public.h>
12 
13 #include "glue.h"
14 
15 #define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
16 
17 #define BUF_SZ		2048
18 #define WAIT_SECS	5
19 
20 void	test_dump_buf(void *, int);
21 void	test_dump_di(int);
22 void	test_dump_si(struct sys_info *);
23 void	test_dump_sig(struct api_signature *);
24 
25 static char buf[BUF_SZ];
26 
27 int main(int argc, char * const argv[])
28 {
29 	int rv = 0, h, i, j, devs_no;
30 	struct api_signature *sig = NULL;
31 	ulong start, now;
32 	struct device_info *di;
33 	lbasize_t rlen;
34 	struct display_info disinfo;
35 
36 	if (!api_search_sig(&sig))
37 		return -1;
38 
39 	syscall_ptr = sig->syscall;
40 	if (syscall_ptr == NULL)
41 		return -2;
42 
43 	if (sig->version > API_SIG_VERSION)
44 		return -3;
45 
46 	printf("API signature found @%x\n", (unsigned int)sig);
47 	test_dump_sig(sig);
48 
49 	printf("\n*** Consumer API test ***\n");
50 	printf("syscall ptr 0x%08x@%08x\n", (unsigned int)syscall_ptr,
51 		(unsigned int)&syscall_ptr);
52 
53 	/* console activities */
54 	ub_putc('B');
55 
56 	printf("*** Press any key to continue ***\n");
57 	printf("got char 0x%x\n", ub_getc());
58 
59 	/* system info */
60 	test_dump_si(ub_get_sys_info());
61 
62 	/* timing */
63 	printf("\n*** Timing - wait a couple of secs ***\n");
64 	start = ub_get_timer(0);
65 	printf("\ntime: start %lu\n\n", start);
66 	for (i = 0; i < WAIT_SECS; i++)
67 		for (j = 0; j < 1000; j++)
68 			ub_udelay(1000);	/* wait 1 ms */
69 
70 	/* this is the number of milliseconds that passed from ub_get_timer(0) */
71 	now = ub_get_timer(start);
72 	printf("\ntime: now %lu\n\n", now);
73 
74 	/* enumerate devices */
75 	printf("\n*** Enumerate devices ***\n");
76 	devs_no = ub_dev_enum();
77 
78 	printf("Number of devices found: %d\n", devs_no);
79 	if (devs_no == 0)
80 		return -1;
81 
82 	printf("\n*** Show devices ***\n");
83 	for (i = 0; i < devs_no; i++) {
84 		test_dump_di(i);
85 		printf("\n");
86 	}
87 
88 	printf("\n*** Operations on devices ***\n");
89 
90 	/* test opening a device already opened */
91 	h = 0;
92 	if ((rv = ub_dev_open(h)) != 0) {
93 		errf("open device %d error %d\n", h, rv);
94 		return -1;
95 	}
96 	if ((rv = ub_dev_open(h)) != 0)
97 		errf("open device %d error %d\n", h, rv);
98 
99 	ub_dev_close(h);
100 
101 	/* test storage */
102 	printf("Trying storage devices...\n");
103 	for (i = 0; i < devs_no; i++) {
104 		di = ub_dev_get(i);
105 
106 		if (di->type & DEV_TYP_STOR)
107 			break;
108 
109 	}
110 	if (i == devs_no)
111 		printf("No storage devices available\n");
112 	else {
113 		memset(buf, 0, BUF_SZ);
114 
115 		if ((rv = ub_dev_open(i)) != 0)
116 			errf("open device %d error %d\n", i, rv);
117 
118 		else if ((rv = ub_dev_read(i, buf, 1, 0, &rlen)) != 0)
119 			errf("could not read from device %d, error %d\n", i, rv);
120 		else {
121 			printf("Sector 0 dump (512B):\n");
122 			test_dump_buf(buf, 512);
123 		}
124 
125 		ub_dev_close(i);
126 	}
127 
128 	/* test networking */
129 	printf("Trying network devices...\n");
130 	for (i = 0; i < devs_no; i++) {
131 		di = ub_dev_get(i);
132 
133 		if (di->type == DEV_TYP_NET)
134 			break;
135 
136 	}
137 	if (i == devs_no)
138 		printf("No network devices available\n");
139 	else {
140 		if ((rv = ub_dev_open(i)) != 0)
141 			errf("open device %d error %d\n", i, rv);
142 		else if ((rv = ub_dev_send(i, &buf, 2048)) != 0)
143 			errf("could not send to device %d, error %d\n", i, rv);
144 
145 		ub_dev_close(i);
146 	}
147 
148 	if (ub_dev_close(h) != 0)
149 		errf("could not close device %d\n", h);
150 
151 	printf("\n*** Env vars ***\n");
152 
153 	printf("ethact = %s\n", ub_env_get("ethact"));
154 	printf("old fileaddr = %s\n", ub_env_get("fileaddr"));
155 	ub_env_set("fileaddr", "deadbeef");
156 	printf("new fileaddr = %s\n", ub_env_get("fileaddr"));
157 
158 	const char *env = NULL;
159 
160 	while ((env = ub_env_enum(env)) != NULL)
161 		printf("%s = %s\n", env, ub_env_get(env));
162 
163 	printf("\n*** Display ***\n");
164 
165 	if (ub_display_get_info(DISPLAY_TYPE_LCD, &disinfo)) {
166 		printf("LCD info: failed\n");
167 	} else {
168 		printf("LCD info:\n");
169 		printf("  pixel width:  %d\n", disinfo.pixel_width);
170 		printf("  pixel height: %d\n", disinfo.pixel_height);
171 		printf("  screen rows:  %d\n", disinfo.screen_rows);
172 		printf("  screen cols:  %d\n", disinfo.screen_cols);
173 	}
174 	if (ub_display_get_info(DISPLAY_TYPE_VIDEO, &disinfo)) {
175 		printf("video info: failed\n");
176 	} else {
177 		printf("video info:\n");
178 		printf("  pixel width:  %d\n", disinfo.pixel_width);
179 		printf("  pixel height: %d\n", disinfo.pixel_height);
180 		printf("  screen rows:  %d\n", disinfo.screen_rows);
181 		printf("  screen cols:  %d\n", disinfo.screen_cols);
182 	}
183 
184 	printf("*** Press any key to continue ***\n");
185 	printf("got char 0x%x\n", ub_getc());
186 
187 	/*
188 	 * This only clears messages on screen, not on serial port. It is
189 	 * equivalent to a no-op if no display is available.
190 	 */
191 	ub_display_clear();
192 
193 	/* reset */
194 	printf("\n*** Resetting board ***\n");
195 	ub_reset();
196 	printf("\nHmm, reset returned...?!\n");
197 
198 	return rv;
199 }
200 
201 void test_dump_sig(struct api_signature *sig)
202 {
203 	printf("signature:\n");
204 	printf("  version\t= %d\n", sig->version);
205 	printf("  checksum\t= 0x%08x\n", sig->checksum);
206 	printf("  sc entry\t= 0x%08x\n", (unsigned int)sig->syscall);
207 }
208 
209 void test_dump_si(struct sys_info *si)
210 {
211 	int i;
212 
213 	printf("sys info:\n");
214 	printf("  clkbus\t= 0x%08x\n", (unsigned int)si->clk_bus);
215 	printf("  clkcpu\t= 0x%08x\n", (unsigned int)si->clk_cpu);
216 	printf("  bar\t\t= 0x%08x\n", (unsigned int)si->bar);
217 
218 	printf("---\n");
219 	for (i = 0; i < si->mr_no; i++) {
220 		if (si->mr[i].flags == 0)
221 			break;
222 
223 		printf("  start\t= 0x%08lx\n", si->mr[i].start);
224 		printf("  size\t= 0x%08lx\n", si->mr[i].size);
225 
226 		switch(si->mr[i].flags & 0x000F) {
227 			case MR_ATTR_FLASH:
228 				printf("  type FLASH\n");
229 				break;
230 			case MR_ATTR_DRAM:
231 				printf("  type DRAM\n");
232 				break;
233 			case MR_ATTR_SRAM:
234 				printf("  type SRAM\n");
235 				break;
236 			default:
237 				printf("  type UNKNOWN\n");
238 		}
239 		printf("---\n");
240 	}
241 }
242 
243 static char *test_stor_typ(int type)
244 {
245 	if (type & DT_STOR_IDE)
246 		return "IDE";
247 
248 	if (type & DT_STOR_MMC)
249 		return "MMC";
250 
251 	if (type & DT_STOR_SATA)
252 		return "SATA";
253 
254 	if (type & DT_STOR_SCSI)
255 		return "SCSI";
256 
257 	if (type & DT_STOR_USB)
258 		return "USB";
259 
260 	return "Unknown";
261 }
262 
263 void test_dump_buf(void *buf, int len)
264 {
265 	int i;
266 	int line_counter = 0;
267 	int sep_flag = 0;
268 	int addr = 0;
269 
270 	printf("%07x:\t", addr);
271 
272 	for (i = 0; i < len; i++) {
273 		if (line_counter++ > 15) {
274 			line_counter = 0;
275 			sep_flag = 0;
276 			addr += 16;
277 			i--;
278 			printf("\n%07x:\t", addr);
279 			continue;
280 		}
281 
282 		if (sep_flag++ > 1) {
283 			sep_flag = 1;
284 			printf(" ");
285 		}
286 
287 		printf("%02x", *((char *)buf++));
288 	}
289 
290 	printf("\n");
291 }
292 
293 void test_dump_di(int handle)
294 {
295 	int i;
296 	struct device_info *di = ub_dev_get(handle);
297 
298 	printf("device info (%d):\n", handle);
299 	printf("  cookie\t= 0x%08x\n", (uint32_t)di->cookie);
300 	printf("  type\t\t= 0x%08x\n", di->type);
301 
302 	if (di->type == DEV_TYP_NET) {
303 		printf("  hwaddr\t= ");
304 		for (i = 0; i < 6; i++)
305 			printf("%02x ", di->di_net.hwaddr[i]);
306 
307 		printf("\n");
308 
309 	} else if (di->type & DEV_TYP_STOR) {
310 		printf("  type\t\t= %s\n", test_stor_typ(di->type));
311 		printf("  blk size\t\t= %d\n", (unsigned int)di->di_stor.block_size);
312 		printf("  blk count\t\t= %d\n", (unsigned int)di->di_stor.block_count);
313 	}
314 }
315