// QSPI applet to save at91bootstrap on RoadRunner QuadSPI 
// https://www.acmesystems.it/samba
// https://www.acmesystems.it/at91bootstrap_3_8
// https://www.acmesystems.it/roadrunner
//
// Sergio Tanzilli - tanzilli@acmesystems.it

import SAMBA 3.2
import SAMBA.Connection.Serial 3.2
import SAMBA.Device.SAMA5D2 3.2


SerialConnection {
	port: "ttyACM0"
	baudRate: 57600

	device: SAMA5D2Xplained {
		// to use a custom config, replace SAMA5D2Xplained by SAMA5D2 and
		// uncomment the following lines, or see documentation for
		// custom board creation.
		
		//config {
		//	qspiflash {
		//		instance: 0
		//		ioset: 3
		//		freq: 66
		//	}
		//}
	}

	// read and display current BSCR/BUREG/FUSE values
	function printBootConfig() {
		var bscr = applet.readBootCfg(BootCfg.BSCR)
		print("BSCR=" + Utils.hex(bscr, 8) + " / " + BSCR.toText(bscr))
		var bureg0 = applet.readBootCfg(BootCfg.BUREG0)
		print("BUREG0=" + Utils.hex(bureg0, 8) + " / " + BCW.toText(bureg0))
		var bureg1 = applet.readBootCfg(BootCfg.BUREG1)
		print("BUREG1=" + Utils.hex(bureg1, 8) + " / " + BCW.toText(bureg1))
		var bureg2 = applet.readBootCfg(BootCfg.BUREG2)
		print("BUREG2=" + Utils.hex(bureg2, 8) + " / " + BCW.toText(bureg2))
		var bureg3 = applet.readBootCfg(BootCfg.BUREG3)
		print("BUREG3=" + Utils.hex(bureg3, 8) + " / " + BCW.toText(bureg3))
		var fuse = applet.readBootCfg(BootCfg.FUSE)
		print("FUSE=" + Utils.hex(fuse, 8) + " / " + BCW.toText(fuse))
	}


	onConnectionOpened: {
		// initialize QSPI applet
		initializeApplet("qspiflash")

		// erase all memory
		applet.erase(0, applet.memorySize)

		// write files
		applet.write(0x00000, "../at91bootstrap_3.8.8_produzione/binaries/at91bootstrap.bin", true)

		// write files
		applet.verify(0x00000, "../at91bootstrap_3.8.8_produzione/binaries/at91bootstrap.bin", true)

		// initialize boot config applet
		initializeApplet("bootconfig")

		// Use BUREG0 as boot configuration word
		applet.writeBootCfg(BootCfg.BSCR, BSCR.fromText("VALID,BUREG0"))

		// Write flags in RAM
		applet.writeBootCfg(BootCfg.BUREG0, BCW.fromText("EXT_MEM_BOOT,QSPI0_IOSET3"))

		// Write flags on FUSES
		//applet.writeBootCfg(BootCfg.FUSE, BCW.fromText("EXT_MEM_BOOT,QSPI0_IOSET3"))

		printBootConfig();	             
	}
}