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);
+}