diff options
Diffstat (limited to 'u-boot/tools/updater/update.c')
-rw-r--r-- | u-boot/tools/updater/update.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/u-boot/tools/updater/update.c b/u-boot/tools/updater/update.c new file mode 100644 index 0000000..18f122a --- /dev/null +++ b/u-boot/tools/updater/update.c @@ -0,0 +1,63 @@ +#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); +} |