import SAMBA 3.2
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import SAMBA.Connection.Serial 3.2
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import SAMBA.Device.SAMA5D4 3.2
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SerialConnection {
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device: SAMA5D4Xplained {
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config {
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nandflash {
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header: 0xc1e04e07
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}
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}
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}
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function initNand() {
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/* Placeholder: Nothing to do */
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}
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function getEraseSize(size) {
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/* get smallest erase block size supported by applet */
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var eraseSize
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for (var i = 0; i <= 32; i++) {
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eraseSize = 1 << i
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if ((applet.eraseSupport & eraseSize) !== 0)
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break;
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}
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eraseSize *= applet.pageSize
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/* round up file size to erase block size */
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return (size + eraseSize - 1) & ~(eraseSize - 1)
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}
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function eraseWrite(offset, filename, bootfile) {
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/* get file size */
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var file = File.open(filename, false)
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var size = file.size()
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file.close()
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applet.erase(offset, getEraseSize(size))
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applet.write(offset, filename, bootfile)
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}
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onConnectionOpened: {
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var bootstrapFileName = "images/bootstrap-sama5d4.bin"
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var ubootFileName = "images/u-boot-sama5d4.bin"
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var linuxFileNmae = "images/linuxrom-sama5d4.itb"
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var rootfsFileNmae = "images/rootfs-sama5d4.ubi"
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print("-I- === Initilize low level (system clocks) ===")
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initializeApplet("lowlevel")
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print("-I- === Initialize extram ===")
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initializeApplet("extram")
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print("-I- === Initialize nandflash access ===")
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initializeApplet("nandflash")
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print("-I- === Erase nandflash access ===")
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//applet.erase(0, 0x100000)
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applet.erase()
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print("-I- === Load AT91Bootstrap ===")
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eraseWrite(0x000000, bootstrapFileName, true)
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print("-I- === Load u-boot ===")
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eraseWrite(0x040000, ubootFileName)
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print("-I- === Load linux kernel image ===")
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applet.write(0x100000, linuxFileNmae)
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print("-I- === Load UBI rootfs image ===")
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applet.write(0x800000, rootfsFileNmae)
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print("-I- === Done. ===")
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}
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}
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