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