1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2021 Google LLC
4  * Written by Simon Glass <sjg@chromium.org>
5  */
6 
7 #include <common.h>
8 #include <asm/cb_sysinfo.h>
9 #include <command.h>
10 #include <console.h>
11 #include <asm/global_data.h>
12 
13 DECLARE_GLOBAL_DATA_PTR;
14 
cbprompt(const char * name)15 static void cbprompt(const char *name)
16 {
17 	for (; *name == '>'; name++)
18 		puts("   ");
19 	printf("%-12s: ", name);
20 }
21 
print_dec(const char * name,int value)22 static void print_dec(const char *name, int value)
23 {
24 	cbprompt(name);
25 	printf(value > 9 ? "0d%d\n" : "%d\n", value);
26 }
27 
print_hex(const char * name,int value)28 static void print_hex(const char *name, int value)
29 {
30 	cbprompt(name);
31 	printf("%x\n", value);
32 }
33 
print_addr(const char * name,ulong value)34 static void print_addr(const char *name, ulong value)
35 {
36 	cbprompt(name);
37 	printf("%08lx\n", value);
38 }
39 
print_addr64(const char * name,u64 value)40 static void print_addr64(const char *name, u64 value)
41 {
42 	cbprompt(name);
43 	printf("%16llx\n", value);
44 }
45 
print_ptr(const char * name,const void * value)46 static void print_ptr(const char *name, const void *value)
47 {
48 	cbprompt(name);
49 	printf("%p\n", value);
50 }
51 
print_str(const char * name,const char * value)52 static void print_str(const char *name, const char *value)
53 {
54 	if (value) {
55 		cbprompt(name);
56 		printf("%s\n", value);
57 	}
58 }
59 
print_idx(const char * name,uint idx,const u8 * strings)60 static void print_idx(const char *name, uint idx, const u8 *strings)
61 {
62 	const char *ptr;
63 
64 	cbprompt(name);
65 	ptr = (char *)strings + idx;
66 	printf("%d: %s\n", idx, ptr ? ptr : "(unknown)");
67 }
68 
69 static const char *const cb_mem_name[] = {
70 	NULL,
71 	"ram",
72 	"reserved",
73 	"acpi",
74 	"nvs",
75 	"unusable",
76 	"vendor",
77 };
78 
get_mem_name(int tag)79 static const char *get_mem_name(int tag)
80 {
81 	if (tag >= CB_MEM_RAM && tag <= CB_MEM_VENDOR_RSVD)
82 		return cb_mem_name[tag];
83 
84 	if (tag == CB_MEM_TABLE)
85 		return "table";
86 
87 	return "(unknown)";
88 }
89 
90 static const struct timestamp_id_to_name {
91 	uint id;
92 	const char *name;
93 } timestamp_ids[] = {
94 	/* Marker to report base_time */
95 	{ 0,			"1st timestamp" },
96 	{ TS_START_ROMSTAGE,	"start of romstage" },
97 	{ TS_BEFORE_INITRAM,	"before ram initialization" },
98 	{ TS_AFTER_INITRAM,	"after ram initialization" },
99 	{ TS_END_ROMSTAGE,	"end of romstage" },
100 	{ TS_START_VBOOT,	"start of verified boot" },
101 	{ TS_END_VBOOT,		"end of verified boot" },
102 	{ TS_START_COPYRAM,	"starting to load ramstage" },
103 	{ TS_END_COPYRAM,	"finished loading ramstage" },
104 	{ TS_START_RAMSTAGE,	"start of ramstage" },
105 	{ TS_START_BOOTBLOCK,	"start of bootblock" },
106 	{ TS_END_BOOTBLOCK,	"end of bootblock" },
107 	{ TS_START_COPYROM,	"starting to load romstage" },
108 	{ TS_END_COPYROM,	"finished loading romstage" },
109 	{ TS_START_ULZMA,	"starting LZMA decompress (ignore for x86)" },
110 	{ TS_END_ULZMA,		"finished LZMA decompress (ignore for x86)" },
111 	{ TS_START_ULZ4F,	"starting LZ4 decompress (ignore for x86)" },
112 	{ TS_END_ULZ4F,		"finished LZ4 decompress (ignore for x86)" },
113 	{ TS_DEVICE_ENUMERATE,	"device enumeration" },
114 	{ TS_DEVICE_CONFIGURE,	"device configuration" },
115 	{ TS_DEVICE_ENABLE,	"device enable" },
116 	{ TS_DEVICE_INITIALIZE,	"device initialization" },
117 	{ TS_DEVICE_DONE,	"device setup done" },
118 	{ TS_CBMEM_POST,	"cbmem post" },
119 	{ TS_WRITE_TABLES,	"write tables" },
120 	{ TS_FINALIZE_CHIPS,	"finalize chips" },
121 	{ TS_LOAD_PAYLOAD,	"load payload" },
122 	{ TS_ACPI_WAKE_JUMP,	"ACPI wake jump" },
123 	{ TS_SELFBOOT_JUMP,	"selfboot jump" },
124 
125 	{ TS_START_COPYVER,	"starting to load verstage" },
126 	{ TS_END_COPYVER,	"finished loading verstage" },
127 	{ TS_START_TPMINIT,	"starting to initialize TPM" },
128 	{ TS_END_TPMINIT,	"finished TPM initialization" },
129 	{ TS_START_VERIFY_SLOT,	"starting to verify keyblock/preamble (RSA)" },
130 	{ TS_END_VERIFY_SLOT,	"finished verifying keyblock/preamble (RSA)" },
131 	{ TS_START_HASH_BODY,	"starting to verify body (load+SHA2+RSA) " },
132 	{ TS_DONE_LOADING,	"finished loading body (ignore for x86)" },
133 	{ TS_DONE_HASHING,	"finished calculating body hash (SHA2)" },
134 	{ TS_END_HASH_BODY,	"finished verifying body signature (RSA)" },
135 
136 	{ TS_START_COPYVPD,	"starting to load Chrome OS VPD" },
137 	{ TS_END_COPYVPD_RO,	"finished loading Chrome OS VPD (RO)" },
138 	{ TS_END_COPYVPD_RW,	"finished loading Chrome OS VPD (RW)" },
139 
140 	{ TS_U_BOOT_INITTED,	"U-Boot start" },
141 	{ TS_RO_PARAMS_INIT,	"RO parameter init" },
142 	{ TS_RO_VB_INIT,	"RO vboot init" },
143 	{ TS_RO_VB_SELECT_FIRMWARE,		"RO vboot select firmware" },
144 	{ TS_RO_VB_SELECT_AND_LOAD_KERNEL,	"RO vboot select&load kernel" },
145 	{ TS_RW_VB_SELECT_AND_LOAD_KERNEL,	"RW vboot select&load kernel" },
146 	{ TS_VB_SELECT_AND_LOAD_KERNEL,		"vboot select&load kernel" },
147 	{ TS_VB_EC_VBOOT_DONE,	"finished EC verification" },
148 	{ TS_VB_STORAGE_INIT_DONE, "finished storage device initialization" },
149 	{ TS_VB_READ_KERNEL_DONE, "finished reading kernel from disk" },
150 	{ TS_VB_VBOOT_DONE,	"finished vboot kernel verification" },
151 	{ TS_KERNEL_DECOMPRESSION, "starting kernel decompression/relocation" },
152 	{ TS_START_KERNEL,	"jumping to kernel" },
153 	{ TS_U_BOOT_START_KERNEL,	"just before jump to kernel" },
154 
155 	/* Intel ME-related timestamps */
156 	{ TS_ME_INFORM_DRAM_WAIT, "waiting for ME acknowledgment of raminit"},
157 	{ TS_ME_INFORM_DRAM_DONE, "finished waiting for ME response"},
158 
159 	/* FSP-related timestamps */
160 	{ TS_FSP_MEMORY_INIT_START, "calling FspMemoryInit" },
161 	{ TS_FSP_MEMORY_INIT_END, "returning from FspMemoryInit" },
162 	{ TS_FSP_TEMP_RAM_EXIT_START, "calling FspTempRamExit" },
163 	{ TS_FSP_TEMP_RAM_EXIT_END, "returning from FspTempRamExit" },
164 	{ TS_FSP_SILICON_INIT_START, "calling FspSiliconInit" },
165 	{ TS_FSP_SILICON_INIT_END, "returning from FspSiliconInit" },
166 	{ TS_FSP_BEFORE_ENUMERATE, "calling FspNotify(AfterPciEnumeration)" },
167 	{ TS_FSP_AFTER_ENUMERATE,
168 		 "returning from FspNotify(AfterPciEnumeration)" },
169 	{ TS_FSP_BEFORE_FINALIZE, "calling FspNotify(ReadyToBoot)" },
170 	{ TS_FSP_AFTER_FINALIZE, "returning from FspNotify(ReadyToBoot)" },
171 	{ TS_FSP_BEFORE_END_OF_FIRMWARE, "calling FspNotify(EndOfFirmware)" },
172 	{ TS_FSP_AFTER_END_OF_FIRMWARE,
173 		"returning from FspNotify(EndOfFirmware)" },
174 };
175 
timestamp_name(uint32_t id)176 static const char *timestamp_name(uint32_t id)
177 {
178 	int i;
179 
180 	for (i = 0; i < ARRAY_SIZE(timestamp_ids); i++) {
181 		if (timestamp_ids[i].id == id)
182 			return timestamp_ids[i].name;
183 	}
184 
185 	return "<unknown>";
186 }
187 
show_table(struct sysinfo_t * info,bool verbose)188 static void show_table(struct sysinfo_t *info, bool verbose)
189 {
190 	struct cb_serial *ser = info->serial;
191 	int i;
192 
193 	printf("Coreboot table at %lx, decoded to %p",
194 	       gd->arch.coreboot_table, info);
195 	if (info->header)
196 		printf(", forwarded to %p\n", info->header);
197 	printf("\n");
198 
199 	print_dec("CPU KHz", info->cpu_khz);
200 
201 	print_addr("Serial I/O port", info->ser_ioport);
202 	print_addr(">base", info->ser_base);
203 	print_ptr(">pointer", ser);
204 	if (ser) {
205 		print_hex(">type", ser->type);
206 		print_addr(">base", ser->baseaddr);
207 		print_dec(">baud", ser->baud);
208 		print_hex(">regwidth", ser->regwidth);
209 		print_dec(">input_hz", ser->input_hertz);
210 		print_addr(">PCI addr", ser->uart_pci_addr);
211 	}
212 
213 	print_dec("Mem ranges", info->n_memranges);
214 	printf("%12s: %-11s        ||   base        ||   size\n", "id", "type");
215 	for (i = 0; i < info->n_memranges; i++) {
216 		const struct memrange *mr = &info->memrange[i];
217 
218 		printf("%12d: %02x:%-8s %016llx %016llx\n", i, mr->type,
219 		       get_mem_name(mr->type), mr->base, mr->size);
220 	}
221 	print_ptr("option_table", info->option_table);
222 
223 	print_hex("CMOS start", info->cmos_range_start);
224 	if (info->cmos_range_start) {
225 		print_hex(">CMOS end", info->cmos_range_end);
226 		print_hex(">CMOS csum loc", info->cmos_checksum_location);
227 	}
228 
229 	print_hex("VBNV start", info->vbnv_start);
230 	print_hex("VBNV size", info->vbnv_size);
231 
232 	print_str("CB version", info->cb_version);
233 	print_str(">Extra", info->extra_version);
234 	print_str(">Build", info->build);
235 	print_str(">Time", info->compile_time);
236 	print_str(">By", info->compile_by);
237 	print_str(">Host", info->compile_host);
238 	print_str(">Domain", info->compile_domain);
239 	print_str(">Compiler", info->compiler);
240 	print_str(">Linker", info->linker);
241 	print_str(">Assembler", info->assembler);
242 
243 	print_ptr("Framebuffer", info->framebuffer);
244 	if (info->framebuffer) {
245 		struct cb_framebuffer *fb = info->framebuffer;
246 
247 		print_addr64(">Phys addr", fb->physical_address);
248 		print_dec(">X res", fb->x_resolution);
249 		print_dec(">X res", fb->y_resolution);
250 		print_hex(">Bytes / line", fb->bytes_per_line);
251 		print_dec(">Bpp", fb->bits_per_pixel);
252 		printf("   %-12s  red %d/%d, green %d/%d, blue %d/%d, reserved %d/%d\n",
253 		       "pos/size", fb->red_mask_pos, fb->red_mask_size,
254 		       fb->green_mask_pos, fb->green_mask_size,
255 		       fb->blue_mask_pos, fb->blue_mask_size,
256 		       fb->reserved_mask_pos, fb->reserved_mask_size);
257 	}
258 
259 	print_dec("GPIOs", info->num_gpios);
260 	printf("%12s: %4s %12s %3s %s\n", "id", "port", "polarity", "val",
261 	       "name");
262 	for (i = 0; i < info->num_gpios; i++) {
263 		const struct cb_gpio *gpio = &info->gpios[i];
264 		char portstr[4];
265 
266 		if (gpio->port == 0xffffffff)
267 			strcpy(portstr, "-");
268 		else
269 			sprintf(portstr, "%x", gpio->port);
270 		printf("%12d: %4s %12s %3d %s\n", i, portstr,
271 		       gpio->polarity == CB_GPIO_ACTIVE_LOW ? "active-low" :
272 		       "active-high", gpio->value, gpio->name);
273 	}
274 	print_dec("MACs", info->num_macs);
275 	for (i = 0; i < info->num_macs; i++) {
276 		const struct mac_address *mac = &info->macs[i];
277 		int j;
278 
279 		printf("%12d: ", i);
280 		for (j = 0; j < sizeof(mac->mac_addr); j++)
281 			printf("%s%02x", j ? ":" : "", mac->mac_addr[j]);
282 		printf("\n");
283 	}
284 	print_str(">Serial #", info->serialno);
285 	print_ptr("Multiboot tab", info->mbtable);
286 	print_ptr("CB header", info->header);
287 	print_ptr("CB mainboard", info->mainboard);
288 	if (info->mainboard) {
289 		struct cb_mainboard *mb = info->mainboard;
290 
291 		print_idx(">vendor", mb->vendor_idx, mb->strings);
292 		print_idx(">part_number", mb->part_number_idx, mb->strings);
293 	}
294 	print_ptr("vboot handoff", info->vboot_handoff);
295 	print_hex(">size", info->vboot_handoff_size);
296 	print_ptr(">vdat addr", info->vdat_addr);
297 	print_hex(">size", info->vdat_size);
298 
299 	print_addr64("SMBIOS", info->smbios_start);
300 	print_hex(">size", info->smbios_size);
301 	print_hex("ROM MTRR", info->x86_rom_var_mtrr_index);
302 
303 	print_ptr("Tstamp table", info->tstamp_table);
304 	if (verbose && info->tstamp_table) {
305 		struct timestamp_table *ts = info->tstamp_table;
306 
307 		printf("%-12s", "Base_time");
308 		print_grouped_ull(ts->base_time, 12);
309 		printf("\n");
310 		print_dec("Tick MHz", ts->tick_freq_mhz);
311 		for (i = 0; i < ts->num_entries; i++) {
312 			const struct timestamp_entry *tse;
313 
314 			tse = &ts->entries[i];
315 			printf("   ");
316 			print_grouped_ull(tse->entry_stamp, 12);
317 			printf("  %s\n", timestamp_name(tse->entry_id));
318 		}
319 	}
320 
321 	print_ptr("CBmem cons", info->cbmem_cons);
322 	if (info->cbmem_cons) {
323 		struct cbmem_console *cons = info->cbmem_cons;
324 		int i;
325 
326 		print_hex("Size", cons->size);
327 		print_hex("Cursor", cons->cursor);
328 		if (verbose) {
329 			for (i = 0; i < cons->cursor; i++) {
330 				int ch = cons->body[i];
331 
332 				putc(ch);
333 
334 				if (ch == '\n') {
335 					/* check for ctrl-c to abort... */
336 					if (ctrlc()) {
337 						puts("Abort\n");
338 						return;
339 					}
340 					printf("   ");
341 				}
342 			}
343 			printf("\n");
344 		}
345 	}
346 
347 	print_ptr("MRC cache", info->mrc_cache);
348 	print_ptr("ACPI GNVS", info->acpi_gnvs);
349 	print_hex("Board ID", info->board_id);
350 	print_hex("RAM code", info->ram_code);
351 	print_ptr("WiFi calib", info->wifi_calibration);
352 	print_addr64("Ramoops buff", info->ramoops_buffer);
353 	print_hex(">size", info->ramoops_buffer_size);
354 	print_hex("SF size", info->spi_flash.size);
355 	print_hex("SF sector", info->spi_flash.sector_size);
356 	print_hex("SF erase cmd", info->spi_flash.erase_cmd);
357 
358 	print_addr64("FMAP offset", info->fmap_offset);
359 	print_addr64("CBFS offset", info->cbfs_offset);
360 	print_addr64("CBFS size", info->cbfs_size);
361 	print_addr64("Boot media size", info->boot_media_size);
362 	print_addr64("MTC start", info->mtc_start);
363 	print_hex("MTC size", info->mtc_size);
364 
365 	print_ptr("Chrome OS VPD", info->chromeos_vpd);
366 }
367 
do_cbsysinfo(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])368 static int do_cbsysinfo(struct cmd_tbl *cmdtp, int flag, int argc,
369 			char *const argv[])
370 {
371 	bool verbose = false;
372 
373 	if (argc > 1) {
374 		if (!strcmp("-v", argv[1]))
375 			verbose = true;
376 		else
377 			return CMD_RET_USAGE;
378 	}
379 
380 	if (!gd->arch.coreboot_table) {
381 		printf("No coreboot sysinfo table found\n");
382 		return CMD_RET_FAILURE;
383 	}
384 	show_table(&lib_sysinfo, verbose);
385 
386 	return 0;
387 }
388 
389 U_BOOT_CMD(
390 	cbsysinfo,	2,	1,	do_cbsysinfo,
391 	"Show coreboot sysinfo table",
392 	"[-v]         Dumps out the contents of the sysinfo table. This only\n"
393 	"works if U-Boot is booted from coreboot"
394 );
395