nand/raw/kb9202_nand.c

1 // SPDX-License-Identifier: GPL-2.0+
18  *      hardware specific access to control-lines
33  *	Board-specific function to access device control signals
40 		ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;  in kb9202_nand_hwcontrol()
51 		this->IO_ADDR_W = (void *) IO_ADDR_W;  in kb9202_nand_hwcontrol()
60 		writeb(cmd, this->IO_ADDR_W);  in kb9202_nand_hwcontrol()
65  * Board-specific function to access the device ready signal.
74  * Board-specific NAND init.  Copied from include/linux/mtd/nand.h for reference.
76  * struct nand_chip - NAND Private Flash Chip Data
77  * @IO_ADDR_R:		[BOARDSPECIFIC] address to read the 8 I/O lines of the flash device
78  * @IO_ADDR_W:		[BOARDSPECIFIC] address to write the 8 I/O lines of the flash device
79  * @hwcontrol:		[BOARDSPECIFIC] hardwarespecific function for accesing control-lines
86 …* @chip_delay:		[BOARDSPECIFIC] chip dependent delay for transfering data from array to read regs …
97 	nand->ecc.mode = NAND_ECC_SOFT;  in board_nand_init()
98 	nand->cmd_ctrl = kb9202_nand_hwcontrol;  in board_nand_init()
99 	nand->dev_ready = kb9202_nand_ready;  in board_nand_init()
105 	/* 4 wait states, 1 setup, 1 hold, 1 float for 8-bit device */  in board_nand_init()