mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-20 08:58:52 +09:00
64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
#include <common.h>
|
|
#include <exports.h>
|
|
|
|
extern unsigned long __dummy;
|
|
void do_reset (void);
|
|
void do_updater(void);
|
|
|
|
void _main(void)
|
|
{
|
|
int i;
|
|
printf("U-Boot Firmware Updater\n\n\n");
|
|
printf("****************************************************\n"
|
|
"* ATTENTION!! PLEASE READ THIS NOTICE CAREFULLY! *\n"
|
|
"****************************************************\n\n"
|
|
"This program will update your computer's firmware.\n"
|
|
"Do NOT remove the disk, reset the machine, or do\n"
|
|
"anything that might disrupt functionality. If this\n");
|
|
printf("Program fails, your computer might be unusable, and\n"
|
|
"you will need to return your board for reflashing.\n"
|
|
"If you find this too risky, remove the diskette and\n"
|
|
"switch off your machine now. Otherwise press the \n"
|
|
"SPACE key now to start the process\n\n");
|
|
do
|
|
{
|
|
char x;
|
|
while (!tstc());
|
|
x = getc();
|
|
if (x == ' ') break;
|
|
} while (1);
|
|
|
|
do_updater();
|
|
|
|
i = 5;
|
|
|
|
printf("\nUpdate done. Please remove diskette.\n");
|
|
printf("The machine will automatically reset in %d seconds\n", i);
|
|
printf("You can switch off/reset now when the floppy is removed\n\n");
|
|
|
|
while (i)
|
|
{
|
|
printf("Resetting in %d\r", i);
|
|
udelay(1000000);
|
|
i--;
|
|
}
|
|
do_reset();
|
|
while (1);
|
|
}
|
|
|
|
void do_updater(void)
|
|
{
|
|
unsigned long *addr = &__dummy + 65;
|
|
unsigned long flash_size = flash_init();
|
|
int rc;
|
|
|
|
flash_sect_protect(0, 0xFFF00000, 0xFFF7FFFF);
|
|
printf("Erasing ");
|
|
flash_sect_erase(0xFFF00000, 0xFFF7FFFF);
|
|
printf("Writing ");
|
|
rc = flash_write((uchar *)addr, 0xFFF00000, 0x7FFFF);
|
|
if (rc != 0) printf("\nFlashing failed due to error %d\n", rc);
|
|
else printf("\ndone\n");
|
|
flash_sect_protect(1, 0xFFF00000, 0xFFF7FFFF);
|
|
}
|