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path: root/src/flash/mx3_nand.h
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#include <nand.h>

#define		MX3_NF_BASE_ADDR		0xb8000000
#define		MX3_NF_BUFSIZ			(MX3_NF_BASE_ADDR + 0xe00)
#define		MX3_NF_BUFADDR			(MX3_NF_BASE_ADDR + 0xe04)
#define		MX3_NF_FADDR			(MX3_NF_BASE_ADDR + 0xe06)
#define		MX3_NF_FCMD				(MX3_NF_BASE_ADDR + 0xe08)
#define		MX3_NF_BUFCFG			(MX3_NF_BASE_ADDR + 0xe0a)
#define		MX3_NF_ECCSTATUS			(MX3_NF_BASE_ADDR + 0xe0c)
#define		MX3_NF_ECCMAINPOS			(MX3_NF_BASE_ADDR + 0xe0e)
#define		MX3_NF_ECCSPAREPOS			(MX3_NF_BASE_ADDR + 0xe10)
#define		MX3_NF_FWP			(MX3_NF_BASE_ADDR + 0xe12)
#define		MX3_NF_LOCKSTART			(MX3_NF_BASE_ADDR + 0xe14)
#define		MX3_NF_LOCKEND			(MX3_NF_BASE_ADDR + 0xe16)
#define		MX3_NF_FWPSTATUS			(MX3_NF_BASE_ADDR + 0xe18)
 /*
  * all bits not marked as self-clearing bit
  */
#define		MX3_NF_CFG1			(MX3_NF_BASE_ADDR + 0xe1a)
#define		MX3_NF_CFG2			(MX3_NF_BASE_ADDR + 0xe1c)

#define		MX3_NF_MAIN_BUFFER0		(MX3_NF_BASE_ADDR + 0x0000)
#define		MX3_NF_MAIN_BUFFER1		(MX3_NF_BASE_ADDR + 0x0200)
#define		MX3_NF_MAIN_BUFFER2		(MX3_NF_BASE_ADDR + 0x0400)
#define		MX3_NF_MAIN_BUFFER3		(MX3_NF_BASE_ADDR + 0x0600)
#define		MX3_NF_SPARE_BUFFER0	(MX3_NF_BASE_ADDR + 0x0800)
#define		MX3_NF_SPARE_BUFFER1	(MX3_NF_BASE_ADDR + 0x0810)
#define		MX3_NF_SPARE_BUFFER2	(MX3_NF_BASE_ADDR + 0x0820)
#define		MX3_NF_SPARE_BUFFER3	(MX3_NF_BASE_ADDR + 0x0830)
#define		MX3_NF_MAIN_BUFFER_LEN	512
#define		MX3_NF_SPARE_BUFFER_LEN	16
#define		MX3_NF_LAST_BUFFER_ADDR	((MX3_NF_SPARE_BUFFER3) + MX3_NF_SPARE_BUFFER_LEN - 2)

/* bits in MX3_NF_CFG1 register */
#define		MX3_NF_BIT_SPARE_ONLY_EN	(1<<2)
#define		MX3_NF_BIT_ECC_EN			(1<<3)
#define		MX3_NF_BIT_INT_DIS			(1<<4)
#define		MX3_NF_BIT_BE_EN			(1<<5)
#define		MX3_NF_BIT_RESET_EN			(1<<6)
#define		MX3_NF_BIT_FORCE_CE			(1<<7)

/* bits in MX3_NF_CFG2 register */

/*Flash Command Input*/
#define		MX3_NF_BIT_OP_FCI			(1<<0)
 /*
  * Flash Address Input
  */
#define		MX3_NF_BIT_OP_FAI			(1<<1)
 /*
  * Flash Data Input
  */
#define		MX3_NF_BIT_OP_FDI			(1<<2)

/* see "enum mx_dataout_type" below */
#define		MX3_NF_BIT_DATAOUT_TYPE(x)	((x)<<3)
#define		MX3_NF_BIT_OP_DONE			(1<<15)

#define		MX3_CCM_CGR2		0x53f80028
#define		MX3_GPR				0x43fac008
#define		MX3_PCSR			0x53f8000c

enum mx_dataout_type
{
	MX3_NF_DATAOUT_PAGE = 1,
	MX3_NF_DATAOUT_NANDID = 2,
	MX3_NF_DATAOUT_NANDSTATUS = 4,
};
enum mx_nf_finalize_action
{
	MX3_NF_FIN_NONE,
	MX3_NF_FIN_DATAOUT,
};

struct mx3_nf_flags
{
	unsigned host_little_endian:1;
	unsigned target_little_endian:1;
	unsigned nand_readonly:1;
	unsigned one_kb_sram:1;
	unsigned hw_ecc_enabled:1;
};

typedef struct mx3_nf_controller_s
{
	struct target_s *target;
	enum mx_dataout_type optype;
	enum mx_nf_finalize_action fin;
	struct mx3_nf_flags flags;
} mx3_nf_controller_t;