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xburst-tools/usbboot/doc/usbboot.cfg.lepus
2011-03-02 10:10:01 +08:00

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# [PLL]
EXTCLK = 12 #Define the external crystal in MHz
CPUSPEED = 240 #Define the PLL output frequency
PHMDIV = 3 #Define the frequency divider ratio of PLL=CCLK:PCLK=HCLK=MCLK
BOUDRATE = 115200 #Define the uart boudrate
USEUART = 1 #Use which uart, 0/1 for jz4740,0/1/2/3 for jz4750
# [SDRAM]
BUSWIDTH = 32 #The bus width of the SDRAM in bits (16|32)
BANKS = 4 #The bank number (2|4)
ROWADDR = 12 #Row address width in bits (11-13)
COLADDR = 9 #Column address width in bits (8-12)
ISMOBILE = 1 #Define whether SDRAM is mobile SDRAM, this only valid for Jz4750 ,1:yes 0:no
ISBUSSHARE = 0 #Define whether SDRAM bus share with NAND 1:shared 0:unshared
# SDRAMTYPE = 2 #Define SDRAM Type 0:sdram 1:ddr1 2:ddr2 3:mobile ddr
# [NAND]
NAND_BUSWIDTH = 8 #The width of the NAND flash chip in bits (8|16|32)
NAND_ROWCYCLES = 3 #The row address cycles (2|3)
NAND_PAGESIZE = 4096 #The page size of the NAND chip in bytes(512|2048|4096)
NAND_PAGEPERBLOCK = 128 #The page number per block
NAND_FORCEERASE = 1 #The force to erase flag (0|1)
NAND_OOBSIZE = 128 #oob size in byte
NAND_ECCPOS = 24 #Specify the ECC offset inside the oob data (0-[oobsize-1])
NAND_BADBLACKPOS = 0 #Specify the badblock flag offset inside the oob (0-[oobsize-1])
NAND_BADBLACKPAGE = 0 #Specify the page number of badblock flag inside a block(0-[PAGEPERBLOCK-1])
NAND_PLANENUM = 1 #The planes number of target nand flash
NAND_BCHBIT = 8 #Specify the hardware BCH algorithm for 4750 (4|8)
NAND_WPPIN = 0 #Specify the write protect pin number
NAND_BLOCKPERCHIP = 0 #Specify the block number per chip,0 means ignore