xref: /openbmc/u-boot/examples/api/demo.c (revision dd1033e4)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2007-2008 Semihalf
4  *
5  * Written by: Rafal Jaworowski <raj@semihalf.com>
6  */
7 
8 #include <common.h>
9 #include <linux/types.h>
10 #include <api_public.h>
11 
12 #include "glue.h"
13 
14 #define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
15 
16 #define BUF_SZ		2048
17 #define WAIT_SECS	5
18 
19 void	test_dump_buf(void *, int);
20 void	test_dump_di(int);
21 void	test_dump_si(struct sys_info *);
22 void	test_dump_sig(struct api_signature *);
23 
24 static char buf[BUF_SZ];
25 
26 int main(int argc, char * const argv[])
27 {
28 	int rv = 0, h, i, j, devs_no;
29 	struct api_signature *sig = NULL;
30 	ulong start, now;
31 	struct device_info *di;
32 	lbasize_t rlen;
33 	struct display_info disinfo;
34 
35 	if (!api_search_sig(&sig))
36 		return -1;
37 
38 	syscall_ptr = sig->syscall;
39 	if (syscall_ptr == NULL)
40 		return -2;
41 
42 	if (sig->version > API_SIG_VERSION)
43 		return -3;
44 
45 	printf("API signature found @%x\n", (unsigned int)sig);
46 	test_dump_sig(sig);
47 
48 	printf("\n*** Consumer API test ***\n");
49 	printf("syscall ptr 0x%08x@%08x\n", (unsigned int)syscall_ptr,
50 		(unsigned int)&syscall_ptr);
51 
52 	/* console activities */
53 	ub_putc('B');
54 
55 	printf("*** Press any key to continue ***\n");
56 	printf("got char 0x%x\n", ub_getc());
57 
58 	/* system info */
59 	test_dump_si(ub_get_sys_info());
60 
61 	/* timing */
62 	printf("\n*** Timing - wait a couple of secs ***\n");
63 	start = ub_get_timer(0);
64 	printf("\ntime: start %lu\n\n", start);
65 	for (i = 0; i < WAIT_SECS; i++)
66 		for (j = 0; j < 1000; j++)
67 			ub_udelay(1000);	/* wait 1 ms */
68 
69 	/* this is the number of milliseconds that passed from ub_get_timer(0) */
70 	now = ub_get_timer(start);
71 	printf("\ntime: now %lu\n\n", now);
72 
73 	/* enumerate devices */
74 	printf("\n*** Enumerate devices ***\n");
75 	devs_no = ub_dev_enum();
76 
77 	printf("Number of devices found: %d\n", devs_no);
78 	if (devs_no == 0)
79 		return -1;
80 
81 	printf("\n*** Show devices ***\n");
82 	for (i = 0; i < devs_no; i++) {
83 		test_dump_di(i);
84 		printf("\n");
85 	}
86 
87 	printf("\n*** Operations on devices ***\n");
88 
89 	/* test opening a device already opened */
90 	h = 0;
91 	if ((rv = ub_dev_open(h)) != 0) {
92 		errf("open device %d error %d\n", h, rv);
93 		return -1;
94 	}
95 	if ((rv = ub_dev_open(h)) != 0)
96 		errf("open device %d error %d\n", h, rv);
97 
98 	ub_dev_close(h);
99 
100 	/* test storage */
101 	printf("Trying storage devices...\n");
102 	for (i = 0; i < devs_no; i++) {
103 		di = ub_dev_get(i);
104 
105 		if (di->type & DEV_TYP_STOR)
106 			break;
107 
108 	}
109 	if (i == devs_no)
110 		printf("No storage devices available\n");
111 	else {
112 		memset(buf, 0, BUF_SZ);
113 
114 		if ((rv = ub_dev_open(i)) != 0)
115 			errf("open device %d error %d\n", i, rv);
116 
117 		else if ((rv = ub_dev_read(i, buf, 1, 0, &rlen)) != 0)
118 			errf("could not read from device %d, error %d\n", i, rv);
119 		else {
120 			printf("Sector 0 dump (512B):\n");
121 			test_dump_buf(buf, 512);
122 		}
123 
124 		ub_dev_close(i);
125 	}
126 
127 	/* test networking */
128 	printf("Trying network devices...\n");
129 	for (i = 0; i < devs_no; i++) {
130 		di = ub_dev_get(i);
131 
132 		if (di->type == DEV_TYP_NET)
133 			break;
134 
135 	}
136 	if (i == devs_no)
137 		printf("No network devices available\n");
138 	else {
139 		if ((rv = ub_dev_open(i)) != 0)
140 			errf("open device %d error %d\n", i, rv);
141 		else if ((rv = ub_dev_send(i, &buf, 2048)) != 0)
142 			errf("could not send to device %d, error %d\n", i, rv);
143 
144 		ub_dev_close(i);
145 	}
146 
147 	if (ub_dev_close(h) != 0)
148 		errf("could not close device %d\n", h);
149 
150 	printf("\n*** Env vars ***\n");
151 
152 	printf("ethact = %s\n", ub_env_get("ethact"));
153 	printf("old fileaddr = %s\n", ub_env_get("fileaddr"));
154 	ub_env_set("fileaddr", "deadbeef");
155 	printf("new fileaddr = %s\n", ub_env_get("fileaddr"));
156 
157 	const char *env = NULL;
158 
159 	while ((env = ub_env_enum(env)) != NULL)
160 		printf("%s = %s\n", env, ub_env_get(env));
161 
162 	printf("\n*** Display ***\n");
163 
164 	if (ub_display_get_info(DISPLAY_TYPE_LCD, &disinfo)) {
165 		printf("LCD info: failed\n");
166 	} else {
167 		printf("LCD info:\n");
168 		printf("  pixel width:  %d\n", disinfo.pixel_width);
169 		printf("  pixel height: %d\n", disinfo.pixel_height);
170 		printf("  screen rows:  %d\n", disinfo.screen_rows);
171 		printf("  screen cols:  %d\n", disinfo.screen_cols);
172 	}
173 	if (ub_display_get_info(DISPLAY_TYPE_VIDEO, &disinfo)) {
174 		printf("video info: failed\n");
175 	} else {
176 		printf("video info:\n");
177 		printf("  pixel width:  %d\n", disinfo.pixel_width);
178 		printf("  pixel height: %d\n", disinfo.pixel_height);
179 		printf("  screen rows:  %d\n", disinfo.screen_rows);
180 		printf("  screen cols:  %d\n", disinfo.screen_cols);
181 	}
182 
183 	printf("*** Press any key to continue ***\n");
184 	printf("got char 0x%x\n", ub_getc());
185 
186 	/*
187 	 * This only clears messages on screen, not on serial port. It is
188 	 * equivalent to a no-op if no display is available.
189 	 */
190 	ub_display_clear();
191 
192 	/* reset */
193 	printf("\n*** Resetting board ***\n");
194 	ub_reset();
195 	printf("\nHmm, reset returned...?!\n");
196 
197 	return rv;
198 }
199 
200 void test_dump_sig(struct api_signature *sig)
201 {
202 	printf("signature:\n");
203 	printf("  version\t= %d\n", sig->version);
204 	printf("  checksum\t= 0x%08x\n", sig->checksum);
205 	printf("  sc entry\t= 0x%08x\n", (unsigned int)sig->syscall);
206 }
207 
208 void test_dump_si(struct sys_info *si)
209 {
210 	int i;
211 
212 	printf("sys info:\n");
213 	printf("  clkbus\t= 0x%08x\n", (unsigned int)si->clk_bus);
214 	printf("  clkcpu\t= 0x%08x\n", (unsigned int)si->clk_cpu);
215 	printf("  bar\t\t= 0x%08x\n", (unsigned int)si->bar);
216 
217 	printf("---\n");
218 	for (i = 0; i < si->mr_no; i++) {
219 		if (si->mr[i].flags == 0)
220 			break;
221 
222 		printf("  start\t= 0x%08lx\n", si->mr[i].start);
223 		printf("  size\t= 0x%08lx\n", si->mr[i].size);
224 
225 		switch(si->mr[i].flags & 0x000F) {
226 			case MR_ATTR_FLASH:
227 				printf("  type FLASH\n");
228 				break;
229 			case MR_ATTR_DRAM:
230 				printf("  type DRAM\n");
231 				break;
232 			case MR_ATTR_SRAM:
233 				printf("  type SRAM\n");
234 				break;
235 			default:
236 				printf("  type UNKNOWN\n");
237 		}
238 		printf("---\n");
239 	}
240 }
241 
242 static char *test_stor_typ(int type)
243 {
244 	if (type & DT_STOR_IDE)
245 		return "IDE";
246 
247 	if (type & DT_STOR_MMC)
248 		return "MMC";
249 
250 	if (type & DT_STOR_SATA)
251 		return "SATA";
252 
253 	if (type & DT_STOR_SCSI)
254 		return "SCSI";
255 
256 	if (type & DT_STOR_USB)
257 		return "USB";
258 
259 	return "Unknown";
260 }
261 
262 void test_dump_buf(void *buf, int len)
263 {
264 	int i;
265 	int line_counter = 0;
266 	int sep_flag = 0;
267 	int addr = 0;
268 
269 	printf("%07x:\t", addr);
270 
271 	for (i = 0; i < len; i++) {
272 		if (line_counter++ > 15) {
273 			line_counter = 0;
274 			sep_flag = 0;
275 			addr += 16;
276 			i--;
277 			printf("\n%07x:\t", addr);
278 			continue;
279 		}
280 
281 		if (sep_flag++ > 1) {
282 			sep_flag = 1;
283 			printf(" ");
284 		}
285 
286 		printf("%02x", *((char *)buf++));
287 	}
288 
289 	printf("\n");
290 }
291 
292 void test_dump_di(int handle)
293 {
294 	int i;
295 	struct device_info *di = ub_dev_get(handle);
296 
297 	printf("device info (%d):\n", handle);
298 	printf("  cookie\t= 0x%08x\n", (uint32_t)di->cookie);
299 	printf("  type\t\t= 0x%08x\n", di->type);
300 
301 	if (di->type == DEV_TYP_NET) {
302 		printf("  hwaddr\t= ");
303 		for (i = 0; i < 6; i++)
304 			printf("%02x ", di->di_net.hwaddr[i]);
305 
306 		printf("\n");
307 
308 	} else if (di->type & DEV_TYP_STOR) {
309 		printf("  type\t\t= %s\n", test_stor_typ(di->type));
310 		printf("  blk size\t\t= %d\n", (unsigned int)di->di_stor.block_size);
311 		printf("  blk count\t\t= %d\n", (unsigned int)di->di_stor.block_count);
312 	}
313 }
314