main.c revision 283505
1296781Sdes/*- 257429Smarkm * Copyright (c) 2000 Benno Rice <benno@jeamland.net> 357429Smarkm * Copyright (c) 2000 Stephane Potvin <sepotvin@videotron.ca> 457429Smarkm * Copyright (c) 2007-2008 Semihalf, Rafal Jaworowski <raj@semihalf.com> 557429Smarkm * All rights reserved. 660576Skris * 765674Skris * Redistribution and use in source and binary forms, with or without 865674Skris * modification, are permitted provided that the following conditions 965674Skris * are met: 1065674Skris * 1. Redistributions of source code must retain the above copyright 1165674Skris * notice, this list of conditions and the following disclaimer. 1260576Skris * 2. Redistributions in binary form must reproduce the above copyright 1365674Skris * notice, this list of conditions and the following disclaimer in the 1465674Skris * documentation and/or other materials provided with the distribution. 1592559Sdes * 1665674Skris * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 1765674Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1865674Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1965674Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2065674Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2165674Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2265674Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2365674Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2465674Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2565674Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2665674Skris * SUCH DAMAGE. 2765674Skris */ 2865674Skris 2965674Skris#include <sys/cdefs.h> 3065674Skris__FBSDID("$FreeBSD: stable/10/sys/boot/uboot/common/main.c 283505 2015-05-25 01:06:55Z ian $"); 3165674Skris#include <sys/param.h> 3265674Skris 3365674Skris#include <stand.h> 3465674Skris 3565674Skris#include "api_public.h" 3657429Smarkm#include "bootstrap.h" 3757429Smarkm#include "glue.h" 3857429Smarkm#include "libuboot.h" 3957429Smarkm 40162856Sdes#ifndef nitems 41162856Sdes#define nitems(x) (sizeof((x)) / sizeof((x)[0])) 42162856Sdes#endif 43162856Sdes 44262566Sdesstruct uboot_devdesc currdev; 45162856Sdesstruct arch_switch archsw; /* MI/MD interface boundary */ 46295367Sdesint devs_no; 47262566Sdes 48295367Sdesuintptr_t uboot_heap_start; 49295367Sdesuintptr_t uboot_heap_end; 50264377Sdes 5157429Smarkmstruct device_type { 52149753Sdes const char *name; 5398941Sdes int type; 54295367Sdes} device_types[] = { 55124211Sdes { "disk", DEV_TYP_STOR }, 56124211Sdes { "ide", DEV_TYP_STOR | DT_STOR_IDE }, 57295367Sdes { "mmc", DEV_TYP_STOR | DT_STOR_MMC }, 58295367Sdes { "sata", DEV_TYP_STOR | DT_STOR_SATA }, 5957429Smarkm { "scsi", DEV_TYP_STOR | DT_STOR_SCSI }, 60295367Sdes { "usb", DEV_TYP_STOR | DT_STOR_USB }, 6192559Sdes { "net", DEV_TYP_NET } 6292559Sdes}; 6392559Sdes 6492559Sdesextern char end[]; 65248619Sdesextern char bootprog_name[]; 66248619Sdesextern char bootprog_rev[]; 67149753Sdesextern char bootprog_date[]; 68262566Sdesextern char bootprog_maker[]; 69262566Sdes 70262566Sdesextern unsigned char _etext[]; 71295367Sdesextern unsigned char _edata[]; 72295367Sdesextern unsigned char __bss_start[]; 73295367Sdesextern unsigned char __sbss_start[]; 7498684Sdesextern unsigned char __sbss_end[]; 75295367Sdesextern unsigned char _end[]; 76295367Sdes 77295367Sdes#ifdef LOADER_FDT_SUPPORT 78255767Sdesextern int command_fdt_internal(int argc, char *argv[]); 79255767Sdes#endif 80295367Sdes 81295367Sdesstatic void 82248619Sdesdump_sig(struct api_signature *sig) 83248619Sdes{ 84323124Sdes#ifdef DEBUG 85248619Sdes printf("signature:\n"); 86323124Sdes printf(" version\t= %d\n", sig->version); 87295367Sdes printf(" checksum\t= 0x%08x\n", sig->checksum); 88295367Sdes printf(" sc entry\t= 0x%08x\n", sig->syscall); 89295367Sdes#endif 90248619Sdes} 91323124Sdes 92248619Sdesstatic void 93248619Sdesdump_addr_info(void) 94323124Sdes{ 95323124Sdes#ifdef DEBUG 96248619Sdes printf("\naddresses info:\n"); 97248619Sdes printf(" _etext (sdata) = 0x%08x\n", (uint32_t)_etext); 98323124Sdes printf(" _edata = 0x%08x\n", (uint32_t)_edata); 99323124Sdes printf(" __sbss_start = 0x%08x\n", (uint32_t)__sbss_start); 100248619Sdes printf(" __sbss_end = 0x%08x\n", (uint32_t)__sbss_end); 101248619Sdes printf(" __sbss_start = 0x%08x\n", (uint32_t)__bss_start); 102248619Sdes printf(" _end = 0x%08x\n", (uint32_t)_end); 103323124Sdes printf(" syscall entry = 0x%08x\n", (uint32_t)syscall_ptr); 104248619Sdes#endif 105248619Sdes} 106248619Sdes 10798684Sdesstatic uint64_t 108248619Sdesmemsize(struct sys_info *si, int flags) 109248619Sdes{ 110248619Sdes uint64_t size; 111248619Sdes int i; 112295367Sdes 113248619Sdes size = 0; 114248619Sdes for (i = 0; i < si->mr_no; i++) 115248619Sdes if (si->mr[i].flags == flags && si->mr[i].size) 116248619Sdes size += (si->mr[i].size); 117295367Sdes 118295367Sdes return (size); 119295367Sdes} 120295367Sdes 121295367Sdesstatic void 122295367Sdesmeminfo(void) 123295367Sdes{ 124262566Sdes uint64_t size; 125262566Sdes struct sys_info *si; 126295367Sdes int t[3] = { MR_ATTR_DRAM, MR_ATTR_FLASH, MR_ATTR_SRAM }; 127248619Sdes int i; 12892559Sdes 12969591Sgreen if ((si = ub_get_sys_info()) == NULL) 13092559Sdes panic("could not retrieve system info"); 13157429Smarkm 132295367Sdes for (i = 0; i < 3; i++) { 133255767Sdes size = memsize(si, t[i]); 134262566Sdes if (size > 0) 135255767Sdes printf("%s: %lldMB\n", ub_mem_type(t[i]), 136295367Sdes size / 1024 / 1024); 137255767Sdes } 138295367Sdes} 139255767Sdes 140255767Sdesstatic const char * 141255767Sdesget_device_type(const char *devstr, int *devtype) 142255767Sdes{ 143262566Sdes int i; 144262566Sdes int namelen; 145255767Sdes struct device_type *dt; 146262566Sdes 147255767Sdes if (devstr) { 148295367Sdes for (i = 0; i < nitems(device_types); i++) { 149295367Sdes dt = &device_types[i]; 150295367Sdes namelen = strlen(dt->name); 151295367Sdes if (strncmp(dt->name, devstr, namelen) == 0) { 152295367Sdes *devtype = dt->type; 153255767Sdes return (devstr + namelen); 154255767Sdes } 155255767Sdes } 156255767Sdes printf("Unknown device type '%s'\n", devstr); 157255767Sdes } 158255767Sdes 15998684Sdes *devtype = -1; 160295367Sdes return (NULL); 16157429Smarkm} 16292559Sdes 16357429Smarkmstatic const char * 16499063Sdesdevice_typename(int type) 16598684Sdes{ 166295367Sdes int i; 16769591Sgreen 16892559Sdes for (i = 0; i < nitems(device_types); i++) 16969591Sgreen if (device_types[i].type == type) 17099063Sdes return (device_types[i].name); 17198684Sdes 172295367Sdes return ("<unknown>"); 173262566Sdes} 174262566Sdes 175262566Sdes/* 176262566Sdes * Parse a device string into type, unit, slice and partition numbers. A 177262566Sdes * returned value of -1 for type indicates a search should be done for the 178262566Sdes * first loadable device, otherwise a returned value of -1 for unit 179262566Sdes * indicates a search should be done for the first loadable device of the 180295367Sdes * given type. 181248619Sdes * 182248619Sdes * The returned values for slice and partition are interpreted by 183248619Sdes * disk_open(). 184248619Sdes * 185248619Sdes * Valid device strings: For device types: 186295367Sdes * 187248619Sdes * <type_name> DEV_TYP_STOR, DEV_TYP_NET 188262566Sdes * <type_name><unit> DEV_TYP_STOR, DEV_TYP_NET 189262566Sdes * <type_name><unit>: DEV_TYP_STOR, DEV_TYP_NET 190262566Sdes * <type_name><unit>:<slice> DEV_TYP_STOR 191262566Sdes * <type_name><unit>:<slice>. DEV_TYP_STOR 192262566Sdes * <type_name><unit>:<slice>.<partition> DEV_TYP_STOR 193262566Sdes * 194248619Sdes * For valid type names, see the device_types array, above. 195248619Sdes * 196248619Sdes * Slice numbers are 1-based. 0 is a wildcard. 197295367Sdes */ 19898684Sdesstatic void 19998684Sdesget_load_device(int *type, int *unit, int *slice, int *partition) 20098684Sdes{ 20169591Sgreen char *devstr; 20276262Sgreen const char *p; 203295367Sdes char *endp; 204192595Sdes 205262566Sdes *type = -1; 206192595Sdes *unit = -1; 207192595Sdes *slice = 0; 208192595Sdes *partition = -1; 20969591Sgreen 21057429Smarkm devstr = ub_env_get("loaderdev"); 21176262Sgreen if (devstr == NULL) { 21292559Sdes printf("U-Boot env: loaderdev not set, will probe all devices.\n"); 21357429Smarkm return; 21469591Sgreen } 21569591Sgreen printf("U-Boot env: loaderdev='%s'\n", devstr); 21669591Sgreen 21757429Smarkm p = get_device_type(devstr, type); 21857429Smarkm 21969591Sgreen /* Ignore optional spaces after the device name. */ 220295367Sdes while (*p == ' ') 22169591Sgreen p++; 22260576Skris 223295367Sdes /* Unknown device name, or a known name without unit number. */ 22469591Sgreen if ((*type == -1) || (*p == '\0')) { 225147005Sdes return; 22669591Sgreen } 22769591Sgreen 22860576Skris /* Malformed unit number. */ 22957429Smarkm if (!isdigit(*p)) { 230295367Sdes *type = -1; 23169591Sgreen return; 23257429Smarkm } 233295367Sdes 23469591Sgreen /* Guaranteed to extract a number from the string, as *p is a digit. */ 23569591Sgreen *unit = strtol(p, &endp, 10); 23669591Sgreen p = endp; 23769591Sgreen 23857429Smarkm /* Known device name with unit number and nothing else. */ 23957429Smarkm if (*p == '\0') { 24060576Skris return; 24160576Skris } 24260576Skris 24360576Skris /* Device string is malformed beyond unit number. */ 244295367Sdes if (*p != ':') { 245137019Sdes *type = -1; 24660576Skris *unit = -1; 24760576Skris return; 24861212Skris } 24960576Skris 250295367Sdes p++; 251295367Sdes 25269591Sgreen /* No slice and partition specification. */ 25392559Sdes if ('\0' == *p ) 25469591Sgreen return; 255294693Sdes 256255767Sdes /* Only DEV_TYP_STOR devices can have a slice specification. */ 25760576Skris if (!(*type & DEV_TYP_STOR)) { 25860576Skris *type = -1; 25960576Skris *unit = -1; 260255767Sdes return; 26160576Skris } 26260576Skris 26360576Skris *slice = strtoul(p, &endp, 10); 26457429Smarkm 26557429Smarkm /* Malformed slice number. */ 26657429Smarkm if (p == endp) { 26757429Smarkm *type = -1; 26857429Smarkm *unit = -1; 26957429Smarkm *slice = 0; 27057429Smarkm return; 27157429Smarkm } 272295367Sdes 27361212Skris p = endp; 27461212Skris 275147005Sdes /* No partition specification. */ 276147005Sdes if (*p == '\0') 277147005Sdes return; 278147005Sdes 27957429Smarkm /* Device string is malformed beyond slice number. */ 28057429Smarkm if (*p != '.') { 28169591Sgreen *type = -1; 28269591Sgreen *unit = -1; 28357429Smarkm *slice = 0; 284295367Sdes return; 28569591Sgreen } 28657429Smarkm 28757429Smarkm p++; 288295367Sdes 289295367Sdes /* No partition specification. */ 290295367Sdes if (*p == '\0') 291295367Sdes return; 292295367Sdes 293295367Sdes *partition = strtol(p, &endp, 10); 294295367Sdes p = endp; 295295367Sdes 296295367Sdes /* Full, valid device string. */ 297295367Sdes if (*endp == '\0') 298295367Sdes return; 299295367Sdes 300295367Sdes /* Junk beyond partition number. */ 30192559Sdes *type = -1; 302137019Sdes *unit = -1; 30357429Smarkm *slice = 0; 304295367Sdes *partition = -1; 305295367Sdes} 30692559Sdes 307149753Sdesstatic void 308149753Sdesprint_disk_probe_info() 30992559Sdes{ 31092559Sdes char slice[32]; 31192559Sdes char partition[32]; 31292559Sdes 31392559Sdes if (currdev.d_disk.slice > 0) 314295367Sdes sprintf(slice, "%d", currdev.d_disk.slice); 31592559Sdes else 316248619Sdes strcpy(slice, "<auto>"); 31792559Sdes 318295367Sdes if (currdev.d_disk.partition > 0) 319295367Sdes sprintf(partition, "%d", currdev.d_disk.partition); 320295367Sdes else 321295367Sdes strcpy(partition, "<auto>"); 32269591Sgreen 323262566Sdes printf(" Checking unit=%d slice=%s partition=%s...", 324295367Sdes currdev.d_unit, slice, partition); 325262566Sdes 326295367Sdes} 327295367Sdes 328295367Sdesstatic int 329295367Sdesprobe_disks(int devidx, int load_type, int load_unit, int load_slice, 330295367Sdes int load_partition) 331295367Sdes{ 332295367Sdes int open_result, unit; 333295367Sdes struct open_file f; 334295367Sdes 335295367Sdes currdev.d_disk.slice = load_slice; 33692559Sdes currdev.d_disk.partition = load_partition; 33792559Sdes 338295367Sdes f.f_devdata = &currdev; 339295367Sdes open_result = -1; 340295367Sdes 341295367Sdes if (load_type == -1) { 34298941Sdes printf(" Probing all disk devices...\n"); 343248619Sdes /* Try each disk in succession until one works. */ 344248619Sdes for (currdev.d_unit = 0; currdev.d_unit < UB_MAX_DEV; 345295367Sdes currdev.d_unit++) { 346295367Sdes print_disk_probe_info(); 347295367Sdes open_result = devsw[devidx]->dv_open(&f, &currdev); 348295367Sdes if (open_result == 0) { 34992559Sdes printf(" good.\n"); 350149753Sdes return (0); 351295367Sdes } 352295367Sdes printf("\n"); 353295367Sdes } 354295367Sdes return (-1); 35592559Sdes } 356295367Sdes 357295367Sdes if (load_unit == -1) { 358295367Sdes printf(" Probing all %s devices...\n", device_typename(load_type)); 359295367Sdes /* Try each disk of given type in succession until one works. */ 360149753Sdes for (unit = 0; unit < UB_MAX_DEV; unit++) { 361149753Sdes currdev.d_unit = uboot_diskgetunit(load_type, unit); 362295367Sdes if (currdev.d_unit == -1) 363295367Sdes break; 364296781Sdes print_disk_probe_info(); 365295367Sdes open_result = devsw[devidx]->dv_open(&f, &currdev); 366295367Sdes if (open_result == 0) { 367295367Sdes printf(" good.\n"); 368295367Sdes return (0); 369264377Sdes } 370255767Sdes printf("\n"); 371255767Sdes } 372295367Sdes return (-1); 373295367Sdes } 374295367Sdes 375295367Sdes if ((currdev.d_unit = uboot_diskgetunit(load_type, load_unit)) != -1) { 376295367Sdes print_disk_probe_info(); 377295367Sdes open_result = devsw[devidx]->dv_open(&f,&currdev); 378149753Sdes if (open_result == 0) { 379295367Sdes printf(" good.\n"); 380295367Sdes return (0); 38157429Smarkm } 38257429Smarkm printf("\n"); 383248619Sdes } 384248619Sdes 385248619Sdes printf(" Requested disk type/unit not found\n"); 386248619Sdes return (-1); 387248619Sdes} 388248619Sdes 389248619Sdesint 390248619Sdesmain(void) 391248619Sdes{ 392248619Sdes struct api_signature *sig = NULL; 393262566Sdes int load_type, load_unit, load_slice, load_partition; 394295367Sdes int i; 395295367Sdes const char * loaderdev; 39660576Skris 397295367Sdes /* 398295367Sdes * If we can't find the magic signature and related info, exit with a 399295367Sdes * unique error code that U-Boot reports as "## Application terminated, 400295367Sdes * rc = 0xnnbadab1". Hopefully 'badab1' looks enough like "bad api" to 401295367Sdes * provide a clue. It's better than 0xffffffff anyway. 402295367Sdes */ 403295367Sdes if (!api_search_sig(&sig)) 404295367Sdes return (0x01badab1); 405295367Sdes 406295367Sdes syscall_ptr = sig->syscall; 407295367Sdes if (syscall_ptr == NULL) 408295367Sdes return (0x02badab1); 409295367Sdes 410295367Sdes if (sig->version > API_SIG_VERSION) 411295367Sdes return (0x03badab1); 412295367Sdes 413295367Sdes /* Clear BSS sections */ 414295367Sdes bzero(__sbss_start, __sbss_end - __sbss_start); 415248619Sdes bzero(__bss_start, _end - __bss_start); 416248619Sdes 417248619Sdes /* 418248619Sdes * Initialise the heap as early as possible. Once this is done, 419295367Sdes * alloc() is usable. The stack is buried inside us, so this is safe. 420248619Sdes */ 421248619Sdes uboot_heap_start = round_page((uintptr_t)end); 422248619Sdes uboot_heap_end = uboot_heap_start + 512 * 1024; 423295367Sdes setheap((void *)uboot_heap_start, (void *)uboot_heap_end); 424248619Sdes 425248619Sdes /* 426248619Sdes * Set up console. 427248619Sdes */ 428295367Sdes cons_probe(); 429248619Sdes printf("Compatible U-Boot API signature found @%x\n", (uint32_t)sig); 430248619Sdes 431248619Sdes printf("\n"); 432248619Sdes printf("%s, Revision %s\n", bootprog_name, bootprog_rev); 433295367Sdes printf("(%s, %s)\n", bootprog_maker, bootprog_date); 434248619Sdes printf("\n"); 435248619Sdes 43669591Sgreen dump_sig(sig); 437295367Sdes dump_addr_info(); 438248619Sdes 439248619Sdes meminfo(); 440295367Sdes 441248619Sdes /* 442248619Sdes * Enumerate U-Boot devices 443295367Sdes */ 444295367Sdes if ((devs_no = ub_dev_enum()) == 0) 445295367Sdes panic("no U-Boot devices found"); 446248619Sdes printf("Number of U-Boot devices: %d\n", devs_no); 447248619Sdes 448248619Sdes get_load_device(&load_type, &load_unit, &load_slice, &load_partition); 449295367Sdes 450248619Sdes /* 451262566Sdes * March through the device switch probing for things. 452295367Sdes */ 45360576Skris for (i = 0; devsw[i] != NULL; i++) { 45460576Skris 455262566Sdes if (devsw[i]->dv_init == NULL) 456262566Sdes continue; 457295367Sdes if ((devsw[i]->dv_init)() != 0) 458262566Sdes continue; 459262566Sdes 460262566Sdes printf("Found U-Boot device: %s\n", devsw[i]->dv_name); 461262566Sdes 462262566Sdes currdev.d_dev = devsw[i]; 463262566Sdes currdev.d_type = currdev.d_dev->dv_type; 464295367Sdes currdev.d_unit = 0; 465262566Sdes 466262566Sdes if ((load_type == -1 || (load_type & DEV_TYP_STOR)) && 467262566Sdes strcmp(devsw[i]->dv_name, "disk") == 0) { 468262566Sdes if (probe_disks(i, load_type, load_unit, load_slice, 469295367Sdes load_partition) == 0) 470295367Sdes break; 47157429Smarkm } 472295367Sdes 473295367Sdes if ((load_type == -1 || (load_type & DEV_TYP_NET)) && 474262566Sdes strcmp(devsw[i]->dv_name, "net") == 0) 475264377Sdes break; 476295367Sdes } 477295367Sdes 478295367Sdes /* 479262566Sdes * If we couldn't find a boot device, return an error to u-boot. 480295367Sdes * U-boot may be running a boot script that can try something different 481295367Sdes * so returning an error is better than forcing a reboot. 482295367Sdes */ 48357429Smarkm if (devsw[i] == NULL) { 48457429Smarkm printf("No boot device found!\n"); 48569591Sgreen return (0xbadef1ce); 48669591Sgreen } 48769591Sgreen 48869591Sgreen env_setenv("currdev", EV_VOLATILE, uboot_fmtdev(&currdev), 489295367Sdes uboot_setcurrdev, env_nounset); 490295367Sdes env_setenv("loaddev", EV_VOLATILE, uboot_fmtdev(&currdev), 491137019Sdes env_noset, env_nounset); 49257429Smarkm 49376262Sgreen setenv("LINES", "24", 1); /* optional */ 494295367Sdes setenv("prompt", "loader>", 1); 49557429Smarkm 496295367Sdes archsw.arch_loadaddr = uboot_loadaddr; 497295367Sdes archsw.arch_getdev = uboot_getdev; 498295367Sdes archsw.arch_copyin = uboot_copyin; 499295367Sdes archsw.arch_copyout = uboot_copyout; 50057429Smarkm archsw.arch_readin = uboot_readin; 501295367Sdes archsw.arch_autoload = uboot_autoload; 502295367Sdes 503264377Sdes interact(); /* doesn't return */ 504295367Sdes 50557429Smarkm return (0); 50692559Sdes} 50792559Sdes 508295367Sdes 50998684SdesCOMMAND_SET(heap, "heap", "show heap usage", command_heap); 51098684Sdesstatic int 51198684Sdescommand_heap(int argc, char *argv[]) 51298684Sdes{ 513295367Sdes 51498684Sdes printf("heap base at %p, top at %p, used %d\n", end, sbrk(0), 515295367Sdes sbrk(0) - end); 516295367Sdes 51798684Sdes return (CMD_OK); 51898684Sdes} 51998684Sdes 520262566SdesCOMMAND_SET(reboot, "reboot", "reboot the system", command_reboot); 521262566Sdesstatic int 522295367Sdescommand_reboot(int argc, char *argv[]) 523295367Sdes{ 524295367Sdes 52598684Sdes printf("Resetting...\n"); 52698684Sdes ub_reset(); 527295367Sdes 52898684Sdes printf("Reset failed!\n"); 52998684Sdes while(1); 53098684Sdes} 531295367Sdes 532295367SdesCOMMAND_SET(devinfo, "devinfo", "show U-Boot devices", command_devinfo); 53398684Sdesstatic int 534295367Sdescommand_devinfo(int argc, char *argv[]) 535295367Sdes{ 536295367Sdes int i; 537295367Sdes 53898684Sdes if ((devs_no = ub_dev_enum()) == 0) { 539262566Sdes command_errmsg = "no U-Boot devices found!?"; 540262566Sdes return (CMD_ERROR); 541295367Sdes } 542295367Sdes 543262566Sdes printf("U-Boot devices:\n"); 544295367Sdes for (i = 0; i < devs_no; i++) { 545295367Sdes ub_dump_di(i); 546295367Sdes printf("\n"); 547295367Sdes } 548295367Sdes return (CMD_OK); 549295367Sdes} 550295367Sdes 551295367SdesCOMMAND_SET(sysinfo, "sysinfo", "show U-Boot system info", command_sysinfo); 552262566Sdesstatic int 55398684Sdescommand_sysinfo(int argc, char *argv[]) 554295367Sdes{ 55598684Sdes struct sys_info *si; 55698684Sdes 55798684Sdes if ((si = ub_get_sys_info()) == NULL) { 55898684Sdes command_errmsg = "could not retrieve U-Boot sys info!?"; 559295367Sdes return (CMD_ERROR); 560295367Sdes } 561295367Sdes 562295367Sdes printf("U-Boot system info:\n"); 563149753Sdes ub_dump_si(si); 564295367Sdes return (CMD_OK); 565248619Sdes} 566124211Sdes 567124211Sdesenum ubenv_action { 568124211Sdes UBENV_UNKNOWN, 569248619Sdes UBENV_SHOW, 570295367Sdes UBENV_IMPORT 571295367Sdes}; 572295367Sdes 573295367Sdesstatic void 574295367Sdeshandle_uboot_env_var(enum ubenv_action action, const char * var) 575295367Sdes{ 57698684Sdes const char * val; 577295367Sdes char ubv[128]; 578295367Sdes 579124211Sdes /* 580295367Sdes * If the user prepended "uboot." (which is how they usually see these 581295367Sdes * names) strip it off as a convenience. 58298684Sdes */ 583295367Sdes if (strncmp(var, "uboot.", 6) == 0) { 58498684Sdes snprintf(ubv, sizeof(ubv), "%s", &var[6]); 585295367Sdes var = ubv; 58698684Sdes } 58798684Sdes val = ub_env_get(var); 588295367Sdes if (action == UBENV_SHOW) { 589295367Sdes if (val == NULL) 59098684Sdes printf("uboot.%s is not set\n", var); 591295367Sdes else 592295367Sdes printf("uboot.%s=%s\n", var, val); 593295367Sdes } else if (action == UBENV_IMPORT) { 594295367Sdes if (val != NULL) { 59598684Sdes snprintf(ubv, sizeof(ubv), "uboot.%s", var); 596262566Sdes setenv(ubv, val, 1); 597295367Sdes } 598295367Sdes } 599295367Sdes} 600262566Sdes 60198684Sdesstatic int 602295367Sdescommand_ubenv(int argc, char *argv[]) 60398684Sdes{ 60498684Sdes enum ubenv_action action; 60598684Sdes const char *var; 60698684Sdes int i; 607295367Sdes 608295367Sdes action = UBENV_UNKNOWN; 609295367Sdes if (argc > 1) { 610295367Sdes if (strcasecmp(argv[1], "import") == 0) 611295367Sdes action = UBENV_IMPORT; 612295367Sdes else if (strcasecmp(argv[1], "show") == 0) 613295367Sdes action = UBENV_SHOW; 614295367Sdes } 615295367Sdes if (action == UBENV_UNKNOWN) { 616295367Sdes command_errmsg = "usage: 'ubenv <import|show> [var ...]"; 61798684Sdes return (CMD_ERROR); 618295367Sdes } 619295367Sdes 620295367Sdes if (argc > 2) { 621248619Sdes for (i = 2; i < argc; i++) 62298684Sdes handle_uboot_env_var(action, argv[i]); 623295367Sdes } else { 62498684Sdes var = NULL; 625295367Sdes for (;;) { 62698684Sdes if ((var = ub_env_enum(var)) == NULL) 62798684Sdes break; 628295367Sdes handle_uboot_env_var(action, var); 629295367Sdes } 630295367Sdes } 631295367Sdes 632295367Sdes return (CMD_OK); 63398684Sdes} 634295367SdesCOMMAND_SET(ubenv, "ubenv", "show or import U-Boot env vars", command_ubenv); 63598684Sdes 636323124Sdes#ifdef LOADER_FDT_SUPPORT 637295367Sdes/* 63898684Sdes * Since proper fdt command handling function is defined in fdt_loader_cmd.c, 63998684Sdes * and declaring it as extern is in contradiction with COMMAND_SET() macro 640248619Sdes * (which uses static pointer), we're defining wrapper function, which 64198684Sdes * calls the proper fdt handling routine. 64298684Sdes */ 64398684Sdesstatic int 64498684Sdescommand_fdt(int argc, char *argv[]) 64598684Sdes{ 64698684Sdes 647295367Sdes return (command_fdt_internal(argc, argv)); 648295367Sdes} 649295367Sdes 65098684SdesCOMMAND_SET(fdt, "fdt", "flattened device tree handling", command_fdt); 65198684Sdes#endif 65298684Sdes