2 * Copyright (c) 2000 Benno Rice <benno@jeamland.net>
3 * Copyright (c) 2000 Stephane Potvin <sepotvin@videotron.ca>
4 * Copyright (c) 2007-2008 Semihalf, Rafal Jaworowski <raj@semihalf.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
34 #include "api_public.h"
35 #include "bootstrap.h"
39 struct uboot_devdesc currdev;
40 struct arch_switch archsw; /* MI/MD interface boundary */
44 extern char bootprog_name[];
45 extern char bootprog_rev[];
46 extern char bootprog_date[];
47 extern char bootprog_maker[];
49 extern unsigned char _etext[];
50 extern unsigned char _edata[];
51 extern unsigned char __bss_start[];
52 extern unsigned char __sbss_start[];
53 extern unsigned char __sbss_end[];
54 extern unsigned char _end[];
56 #ifdef LOADER_FDT_SUPPORT
57 extern int command_fdt_internal(int argc, char *argv[]);
61 dump_sig(struct api_signature *sig)
64 printf("signature:\n");
65 printf(" version\t= %d\n", sig->version);
66 printf(" checksum\t= 0x%08x\n", sig->checksum);
67 printf(" sc entry\t= 0x%08x\n", sig->syscall);
75 printf("\naddresses info:\n");
76 printf(" _etext (sdata) = 0x%08x\n", (uint32_t)_etext);
77 printf(" _edata = 0x%08x\n", (uint32_t)_edata);
78 printf(" __sbss_start = 0x%08x\n", (uint32_t)__sbss_start);
79 printf(" __sbss_end = 0x%08x\n", (uint32_t)__sbss_end);
80 printf(" __sbss_start = 0x%08x\n", (uint32_t)__bss_start);
81 printf(" _end = 0x%08x\n", (uint32_t)_end);
82 printf(" syscall entry = 0x%08x\n", (uint32_t)syscall_ptr);
87 memsize(struct sys_info *si, int flags)
93 for (i = 0; i < si->mr_no; i++)
94 if (si->mr[i].flags == flags && si->mr[i].size)
95 size += (si->mr[i].size);
105 int t[3] = { MR_ATTR_DRAM, MR_ATTR_FLASH, MR_ATTR_SRAM };
108 if ((si = ub_get_sys_info()) == NULL)
109 panic("could not retrieve system info");
111 for (i = 0; i < 3; i++) {
112 size = memsize(si, t[i]);
114 printf("%s:\t %lldMB\n", ub_mem_type(t[i]),
122 struct api_signature *sig = NULL;
126 if (!api_search_sig(&sig))
129 syscall_ptr = sig->syscall;
130 if (syscall_ptr == NULL)
133 if (sig->version > API_SIG_VERSION)
136 /* Clear BSS sections */
137 bzero(__sbss_start, __sbss_end - __sbss_start);
138 bzero(__bss_start, _end - __bss_start);
145 printf("Compatible API signature found @%x\n", (uint32_t)sig);
151 * Initialise the heap as early as possible. Once this is done,
152 * alloc() is usable. The stack is buried inside us, so this is
155 setheap((void *)end, (void *)(end + 512 * 1024));
158 * Enumerate U-Boot devices
160 if ((devs_no = ub_dev_enum()) == 0)
161 panic("no U-Boot devices found");
162 printf("Number of U-Boot devices: %d\n", devs_no);
165 printf("%s, Revision %s\n", bootprog_name, bootprog_rev);
166 printf("(%s, %s)\n", bootprog_maker, bootprog_date);
170 * March through the device switch probing for things.
172 for (i = 0; devsw[i] != NULL; i++) {
174 if (devsw[i]->dv_init == NULL)
176 if ((devsw[i]->dv_init)() != 0)
179 printf("\nDevice: %s\n", devsw[i]->dv_name);
181 currdev.d_dev = devsw[i];
182 currdev.d_type = currdev.d_dev->dv_type;
185 if (strncmp(devsw[i]->dv_name, "disk",
186 strlen(devsw[i]->dv_name)) == 0) {
187 f.f_devdata = &currdev;
188 currdev.d_disk.slice = 0;
189 if (devsw[i]->dv_open(&f,&currdev) == 0)
193 if (strncmp(devsw[i]->dv_name, "net",
194 strlen(devsw[i]->dv_name)) == 0)
198 if (devsw[i] == NULL)
199 panic("No boot device found!");
201 env_setenv("currdev", EV_VOLATILE, uboot_fmtdev(&currdev),
202 uboot_setcurrdev, env_nounset);
203 env_setenv("loaddev", EV_VOLATILE, uboot_fmtdev(&currdev),
204 env_noset, env_nounset);
206 setenv("LINES", "24", 1); /* optional */
207 setenv("prompt", "loader>", 1);
209 archsw.arch_getdev = uboot_getdev;
210 archsw.arch_copyin = uboot_copyin;
211 archsw.arch_copyout = uboot_copyout;
212 archsw.arch_readin = uboot_readin;
213 archsw.arch_autoload = uboot_autoload;
215 interact(); /* doesn't return */
221 COMMAND_SET(heap, "heap", "show heap usage", command_heap);
223 command_heap(int argc, char *argv[])
226 printf("heap base at %p, top at %p, used %d\n", end, sbrk(0),
232 COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot);
234 command_reboot(int argc, char *argv[])
237 printf("Resetting...\n");
240 printf("Reset failed!\n");
244 COMMAND_SET(devinfo, "devinfo", "show U-Boot devices", command_devinfo);
246 command_devinfo(int argc, char *argv[])
250 if ((devs_no = ub_dev_enum()) == 0) {
251 command_errmsg = "no U-Boot devices found!?";
255 printf("U-Boot devices:\n");
256 for (i = 0; i < devs_no; i++) {
263 COMMAND_SET(sysinfo, "sysinfo", "show U-Boot system info", command_sysinfo);
265 command_sysinfo(int argc, char *argv[])
269 if ((si = ub_get_sys_info()) == NULL) {
270 command_errmsg = "could not retrieve U-Boot sys info!?";
274 printf("U-Boot system info:\n");
279 #ifdef LOADER_FDT_SUPPORT
281 * Since proper fdt command handling function is defined in fdt_loader_cmd.c,
282 * and declaring it as extern is in contradiction with COMMAND_SET() macro
283 * (which uses static pointer), we're defining wrapper function, which
284 * calls the proper fdt handling routine.
287 command_fdt(int argc, char *argv[])
290 return (command_fdt_internal(argc, argv));
293 COMMAND_SET(fdt, "fdt", "flattened device tree handling", command_fdt);