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#ifndef __ASM_ARCH_NAND_H
#define __ASM_ARCH_NAND_H
#include <linux/mtd/mtd.h>
void imx21_barebox_boot_nand_external(void *boarddata);
void imx25_barebox_boot_nand_external(void *boarddata);
void imx27_barebox_boot_nand_external(void *boarddata);
void imx31_barebox_boot_nand_external(void *boarddata);
void imx35_barebox_boot_nand_external(void *boarddata);
void imx_nand_set_layout(int writesize, int datawidth);
struct imx_nand_platform_data {
int width;
unsigned int hw_ecc:1;
unsigned int flash_bbt:1;
};
#define nfc_is_v21() (cpu_is_mx25() || cpu_is_mx35())
#define nfc_is_v1() (cpu_is_mx31() || cpu_is_mx27() || cpu_is_mx21())
#define nfc_is_v3_2() (cpu_is_mx51() || cpu_is_mx53())
#define nfc_is_v3() nfc_is_v3_2()
#define NFC_V1_ECC_STATUS_RESULT 0x0c
#define NFC_V1_RSLTMAIN_AREA 0x0e
#define NFC_V1_RSLTSPARE_AREA 0x10
#define NFC_V2_ECC_STATUS_RESULT1 0x0c
#define NFC_V2_ECC_STATUS_RESULT2 0x0e
#define NFC_V2_SPAS 0x10
#define NFC_V1_V2_BUF_SIZE 0x00
#define NFC_V1_V2_BUF_ADDR 0x04
#define NFC_V1_V2_FLASH_ADDR 0x06
#define NFC_V1_V2_FLASH_CMD 0x08
#define NFC_V1_V2_CONFIG 0x0a
#define NFC_V1_V2_WRPROT 0x12
#define NFC_V1_UNLOCKSTART_BLKADDR 0x14
#define NFC_V1_UNLOCKEND_BLKADDR 0x16
#define NFC_V21_UNLOCKSTART_BLKADDR 0x20
#define NFC_V21_UNLOCKEND_BLKADDR 0x22
#define NFC_V1_V2_NF_WRPRST 0x18
#define NFC_V1_V2_CONFIG1 0x1a
#define NFC_V1_V2_CONFIG2 0x1c
#define NFC_V2_CONFIG1_ECC_MODE_4 (1 << 0)
#define NFC_V1_V2_CONFIG1_SP_EN (1 << 2)
#define NFC_V1_V2_CONFIG1_ECC_EN (1 << 3)
#define NFC_V1_V2_CONFIG1_INT_MSK (1 << 4)
#define NFC_V1_V2_CONFIG1_BIG (1 << 5)
#define NFC_V1_V2_CONFIG1_RST (1 << 6)
#define NFC_V1_V2_CONFIG1_CE (1 << 7)
#define NFC_V1_V2_CONFIG1_ONE_CYCLE (1 << 8)
#define NFC_V2_CONFIG1_PPB(x) (((x) & 0x3) << 9)
#define NFC_V2_CONFIG1_FP_INT (1 << 11)
#define NFC_V1_V2_CONFIG2_INT (1 << 15)
#define NFC_V2_SPAS_SPARESIZE(spas) ((spas) >> 1)
/*
* Operation modes for the NFC. Valid for v1, v2 and v3
* type controllers.
*/
#define NFC_CMD (1 << 0)
#define NFC_ADDR (1 << 1)
#define NFC_INPUT (1 << 2)
#define NFC_OUTPUT (1 << 3)
#define NFC_ID (1 << 4)
#define NFC_STATUS (1 << 5)
/*
* For external NAND boot this defines the magic value for the bad block table
* This is found at offset ARM_HEAD_SPARE_OFS in the image on NAND.
*/
#define IMX_NAND_BBT_MAGIC 0xbadb10c0
#endif /* __ASM_ARCH_NAND_H */
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