Skip to content
Snippets Groups Projects
omap_gpmc.h 1.5 KiB
Newer Older
  • Learn to ignore specific revisions
  • /*
     * (C) Copyright 2004-2008 Texas Instruments, <www.ti.com>
     * Rohit Choraria <rohitkc@ti.com>
     *
     * (C) Copyright 2013 Andreas Bießmann <andreas.devel@googlemail.com>
     *
    
     * SPDX-License-Identifier:	GPL-2.0+
    
     */
    #ifndef __ASM_OMAP_GPMC_H
    #define __ASM_OMAP_GPMC_H
    
    #include <asm/arch/omap_gpmc.h>
    
    #define GPMC_BUF_EMPTY	0
    #define GPMC_BUF_FULL	1
    
    #define ECCCLEAR	(0x1 << 8)
    #define ECCRESULTREG1	(0x1 << 0)
    #define ECCSIZE512BYTE	0xFF
    #define ECCSIZE1	(ECCSIZE512BYTE << 22)
    #define ECCSIZE0	(ECCSIZE512BYTE << 12)
    #define ECCSIZE0SEL	(0x000 << 0)
    
    /* Generic ECC Layouts */
    /* Large Page x8 NAND device Layout */
    #ifdef GPMC_NAND_ECC_LP_x8_LAYOUT
    #define GPMC_NAND_HW_ECC_LAYOUT {\
    	.eccbytes = 12,\
    	.eccpos = {1, 2, 3, 4, 5, 6, 7, 8,\
    		9, 10, 11, 12},\
    	.oobfree = {\
    		{.offset = 13,\
    		 .length = 51 } } \
    }
    #endif
    
    /* Large Page x16 NAND device Layout */
    #ifdef GPMC_NAND_ECC_LP_x16_LAYOUT
    #define GPMC_NAND_HW_ECC_LAYOUT {\
    	.eccbytes = 12,\
    	.eccpos = {2, 3, 4, 5, 6, 7, 8, 9,\
    		10, 11, 12, 13},\
    	.oobfree = {\
    		{.offset = 14,\
    		 .length = 50 } } \
    }
    #endif
    
    /* Small Page x8 NAND device Layout */
    #ifdef GPMC_NAND_ECC_SP_x8_LAYOUT
    #define GPMC_NAND_HW_ECC_LAYOUT {\
    	.eccbytes = 3,\
    	.eccpos = {1, 2, 3},\
    	.oobfree = {\
    		{.offset = 4,\
    		 .length = 12 } } \
    }
    #endif
    
    /* Small Page x16 NAND device Layout */
    #ifdef GPMC_NAND_ECC_SP_x16_LAYOUT
    #define GPMC_NAND_HW_ECC_LAYOUT {\
    	.eccbytes = 3,\
    	.eccpos = {2, 3, 4},\
    	.oobfree = {\
    		{.offset = 5,\
    		 .length = 11 } } \
    }
    #endif
    
    #endif /* __ASM_OMAP_GPMC_H */