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-rw-r--r--tools/updater/update.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/tools/updater/update.c b/tools/updater/update.c
new file mode 100644
index 0000000..66c6dfc
--- /dev/null
+++ b/tools/updater/update.c
@@ -0,0 +1,67 @@
+#include <common.h>
+#include <syscall.h>
+
+extern unsigned long __dummy;
+void do_reset (void);
+void do_updater(void);
+
+void _main(void)
+{
+ int i;
+ mon_printf("U-Boot Firmware Updater\n\n\n");
+ mon_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");
+ mon_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 (!mon_tstc());
+ x = mon_getc();
+ if (x == ' ') break;
+ } while (1);
+
+ do_updater();
+
+ i = 5;
+
+ mon_printf("\nUpdate done. Please remove diskette.\n");
+ mon_printf("The machine will automatically reset in %d seconds\n", i);
+ mon_printf("You can switch off/reset now when the floppy is removed\n\n");
+
+ while (i)
+ {
+ mon_printf("Resetting in %d\r", i);
+ mon_udelay(1000000);
+ i--;
+ }
+ do_reset();
+ while (1);
+}
+
+int flash_sect_protect (int p, ulong addr_first, ulong addr_last);
+int flash_sect_erase (ulong addr_first, ulong addr_last);
+int flash_write (uchar *src, ulong addr, ulong cnt);
+
+void do_updater(void)
+{
+ unsigned long *addr = &__dummy + 65;
+ unsigned long flash_size = flash_init();
+ int rc;
+
+ flash_sect_protect(0, 0xFFF00000, 0xFFF7FFFF);
+ mon_printf("Erasing ");
+ flash_sect_erase(0xFFF00000, 0xFFF7FFFF);
+ mon_printf("Writing ");
+ rc = flash_write((uchar *)addr, 0xFFF00000, 0x7FFFF);
+ if (rc != 0) mon_printf("\nFlashing failed due to error %d\n", rc);
+ else mon_printf("\ndone\n");
+ flash_sect_protect(1, 0xFFF00000, 0xFFF7FFFF);
+}