1 files changed, 129 insertions, 0 deletions
diff --git a/roms/u-boot-sam460ex/tools/multiplier/update.c b/roms/u-boot-sam460ex/tools/multiplier/update.c
new file mode 100644
index 000000000..876889792
--- /dev/null
+++ b/roms/u-boot-sam460ex/tools/multiplier/update.c
@@ -0,0 +1,129 @@
+#include <common.h>
+#include <exports.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern unsigned long __dummy;
+
+int do_updater(void);
+
+void _main(void)
+{
+    char *version = getenv("ver");
+    
+    if (!version) 
+    {
+        printf("\nAttention ! You need first to update U-Boot to version 2010.06.02 !!!\n\n");
+        return;
+    }
+    
+    if (strcmp(version,"U-Boot 2010.06.02 (Dec 31 2010 - 11:14:01)") != 0)   
+    { 
+        printf("\nAttention ! You need first to update U-Boot to version 2010.06.02 !!!\n\n");
+        return;
+    }
+          
+    printf("\n------ Sam460ex Hardware Configuration Updater -----\n\n");
+        
+    printf("****************************************************\n");
+	printf("*  ATTENTION!! PLEASE READ THIS NOTICE CAREFULLY!  *\n");
+	printf("****************************************************\n\n");
+	printf("This program  will update your Sam460  configuration\n");
+	printf("Do NOT  remove the disk,  reset the  machine,  or do\n");
+	printf("anything that  might disrupt functionality.  If this\n");
+    printf("Program fails, your computer  might be unusable, and\n");
+	printf("you will  need to return your  board for reflashing.\n");
+	printf("If you find this too risky,  remove the diskette and\n");
+	printf("switch off your  machine now.  Otherwise  press the \n");
+	printf("SPACE key now to start the process\n\n");
+	
+    do
+    {
+		char x;
+		while (!tstc());
+		x = getc();
+		if (x == ' ') break;
+    } while (1);
+
+    int ret = do_updater();
+
+    if (ret == 0)
+    {
+        printf("\nUpdate done. Please remove the cdrom.\n");
+        printf("You can switch off/reset now when the cdrom is removed\n\n");
+
+        while (1);
+    }
+    else
+    {
+        printf("\nUnable to update the hardware configuration\n");
+        printf("Please contact support@acube-systems.com to\n");
+        printf("correct the problem\n\n");
+    }    
+}
+
+int do_updater(void)
+{
+    int ii;
+	unsigned char arr[16] = { 0 };
+	unsigned char bkp[16] = { 0 };
+	unsigned char upd[8] = { 0x86, 0x86, 0xb5, 0x19, 0xb9, 0x85, 0x00, 0x00 }; 
+	bd_t *bd = gd->bd;
+    
+	// read 16 bytes of the boot eeprom --------------------------------------
+	
+	puts("Now reading hardware configuration registers...\n");
+	i2c_read(0x52, 0x00, 1, &arr, 16);
+	for (ii=0;ii<16;ii++)
+	    printf ("%02x ",arr[ii]);
+	puts("\n\n");
+	
+	// backup 16 bytes of the boot eeprom ------------------------------------
+	
+	puts("Now creating backup... ");
+	i2c_write(0x53, 0x00, 1, &arr, 16);
+	udelay(100000);
+	puts("Done\n");
+	
+	// checking backup -------------------------------------------------------
+	
+	puts("Checking backup... ");
+	i2c_read(0x53, 0x00, 1, &bkp, 16);
+	udelay(100000);
+	for (ii=0;ii<16;ii++)
+	{
+	    if (arr[ii] != bkp[ii]) break;
+	}    
+	
+	if (ii < 16)
+	{
+        puts("\nUnable to create a backup... abort\n");
+        return 1;
+    }    		
+	puts("Done\n");
+	
+	// change config ---------------------------------------------------------
+	
+	puts("Writing new config... ");
+	i2c_write(0x52, 0x00, 1, &upd, 8);  
+	puts("Done\n");
+	
+	// check new config ------------------------------------------------------
+	
+	puts("Checking new config... ");
+	i2c_read(0x52, 0x00, 1, &bkp, 8);
+	udelay(100000);
+	for (ii=0;ii<8;ii++)
+	{
+	    if (upd[ii] != bkp[ii]) break;
+	}	
+	
+	if (ii < 8)
+	{
+        puts("\nError verifing new config... abort\n");
+        return 1;
+    }    		
+	puts("Done\n");
+		
+	return 0;   
+}