15  *	OTP support
50 /* Default OneNAND/Flex-OneNAND OTP options*/
51 static int otp;  variable
53 module_param(otp, int, 0400);
54 MODULE_PARM_DESC(otp,	"Corresponding behaviour of OneNAND in OTP"
55 			"Syntax : otp=LOCK_TYPE"
56 			"LOCK_TYPE : Keys issued, for specific OTP Lock type"
58 			"	   : 1 -> OTP Block lock"
60 			"	   : 3 -> BOTH OTP Block and 1st Block lock");
1897 		/* Exclude 1st OTP and OTP blocks for cache program feature */  in onenand_write_ops_nolock()
2685  * onenand_otp_command - Send OTP specific command to OneNAND device
2760  * onenand_otp_write_oob_nolock - [INTERN] OneNAND write out-of-band, specific to OTP
2767  * OneNAND write out-of-band only for OTP
2818 		 * Enter OTP access mode  in onenand_otp_write_oob_nolock()
2849 		/* Exit OTP access mode */  in onenand_otp_write_oob_nolock()
2859 			printk(KERN_DEBUG "OTP Block\tLOCKED\n");  in onenand_otp_write_oob_nolock()
2863 			printk(KERN_DEBUG "OTP Block\tUN-LOCKED\n");  in onenand_otp_write_oob_nolock()
2867 			printk(KERN_DEBUG "OTP Block\tLOCKED\n");  in onenand_otp_write_oob_nolock()
2886 /* Internal OTP operation */
2891  * do_otp_read - [DEFAULT] Read OTP block area
2898  * Read OTP block area.
2912 	/* Enter OTP access mode */  in do_otp_read()
2920 	/* Exit OTP access mode */  in do_otp_read()
2928  * do_otp_write - [DEFAULT] Write OTP block area
2935  * Write OTP block area.
2953 	/* Enter OTP access mode */  in do_otp_write()
2964 	/* Exit OTP access mode */  in do_otp_write()
2972  * do_otp_lock - [DEFAULT] Lock OTP block area
2979  * Lock OTP block area.
2990 		/* Enter OTP access mode */  in do_otp_lock()
3004 		/* Exit OTP access mode */  in do_otp_lock()
3020  * onenand_otp_walk - [DEFAULT] Handle OTP operation
3029  * Handle OTP operation.
3064 		if (!action) {	/* OTP Info functions */  in onenand_otp_walk()
3101  * onenand_get_fact_prot_info - [MTD Interface] Read factory OTP info
3107  * Read factory OTP info.
3117  * onenand_read_fact_prot_reg - [MTD Interface] Read factory OTP area
3124  * Read factory OTP area.
3133  * onenand_get_user_prot_info - [MTD Interface] Read user OTP info
3139  * Read user OTP info.
3149  * onenand_read_user_prot_reg - [MTD Interface] Read user OTP area
3156  * Read user OTP area.
3165  * onenand_write_user_prot_reg - [MTD Interface] Write user OTP area
3172  * Write user OTP area.
3181  * onenand_lock_user_prot_reg - [MTD Interface] Lock user OTP area
3186  * Write lock mark on spare area in page 0 in OTP block
3210 	 * Note: OTP lock operation  in onenand_lock_user_prot_reg()
3211 	 *       OTP block : 0xXXFC			XX 1111 1100  in onenand_lock_user_prot_reg()
3219 	if (otp == 1)  in onenand_lock_user_prot_reg()
3221 	else if (otp == 2)  in onenand_lock_user_prot_reg()
3223 	else if (otp == 3)  in onenand_lock_user_prot_reg()
3225 	else if (otp != 0)  in onenand_lock_user_prot_reg()
3226 		printk(KERN_DEBUG "[OneNAND] Invalid option selected for OTP\n");  in onenand_lock_user_prot_reg()