134 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
| /* SPDX-License-Identifier: GPL-2.0+ */
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| /*
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|  * Copyright 2008-2014 Freescale Semiconductor, Inc.
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|  * Copyright 2021 NXP
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|  *
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|  */
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| 
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| #ifndef __JR_H
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| #define __JR_H
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| 
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| #include <linux/compiler.h>
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| #include "fsl_sec.h"
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| #include "type.h"
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| #include <misc.h>
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| 
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| #define JR_SIZE 4
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| /* Timeout currently defined as 10 sec */
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| #define CONFIG_USEC_DEQ_TIMEOUT	10000000U
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| 
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| #define DEFAULT_JR_ID		0
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| #define DEFAULT_JR_LIODN	0
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| #define DEFAULT_IRQ		0	/* Interrupts not to be configured */
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| 
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| #define MCFGR_SWRST       ((uint32_t)(1)<<31) /* Software Reset */
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| #define MCFGR_DMA_RST     ((uint32_t)(1)<<28) /* DMA Reset */
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| #define MCFGR_PS_SHIFT          16
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| #define MCFGR_AWCACHE_SHIFT	8
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| #define MCFGR_AWCACHE_MASK	(0xf << MCFGR_AWCACHE_SHIFT)
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| #define MCFGR_ARCACHE_SHIFT	12
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| #define MCFGR_ARCACHE_MASK	(0xf << MCFGR_ARCACHE_SHIFT)
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| 
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| #define JR_INTMASK	  0x00000001
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| #define JRCR_RESET                  0x01
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| #define JRINT_ERR_HALT_INPROGRESS   0x4
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| #define JRINT_ERR_HALT_MASK         0xc
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| #define JRNSLIODN_SHIFT		16
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| #define JRNSLIODN_MASK		0x0fff0000
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| #define JRSLIODN_SHIFT		0
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| #define JRSLIODN_MASK		0x00000fff
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| 
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| #define JRDID_MS_PRIM_DID	BIT(0)
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| #define JRDID_MS_PRIM_TZ	BIT(4)
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| #define JRDID_MS_TZ_OWN		BIT(15)
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| 
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| #define JQ_DEQ_ERR		(-1)
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| #define JQ_DEQ_TO_ERR		(-2)
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| #define JQ_ENQ_ERR		(-3)
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| 
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| #define RNG4_MAX_HANDLES	2
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| 
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| enum {
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| 	/* Run caam jobring descriptor(in buf) */
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| 	CAAM_JR_RUN_DESC,
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| };
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| 
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| struct op_ring {
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| 	caam_dma_addr_t desc;
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| 	uint32_t status;
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| } __packed;
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| 
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| struct jr_info {
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| 	void (*callback)(uint32_t status, void *arg);
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| 	caam_dma_addr_t desc_phys_addr;
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| 	uint32_t desc_len;
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| 	uint32_t op_done;
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| 	void *arg;
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| };
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| 
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| struct jobring {
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| 	int jq_id;
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| 	int irq;
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| 	int liodn;
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| 	/* Head is the index where software would enq the descriptor in
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| 	 * the i/p ring
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| 	 */
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| 	int head;
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| 	/* Tail index would be used by s/w ehile enqueuing to determine if
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| 	 * there is any space left in the s/w maintained i/p rings
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| 	 */
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| 	/* Also in case of deq tail will be incremented only in case of
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| 	 * in-order job completion
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| 	 */
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| 	int tail;
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| 	/* Read index of the output ring. It may not match with tail in case
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| 	 * of out of order completetion
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| 	 */
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| 	int read_idx;
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| 	/* Write index to input ring. Would be always equal to head */
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| 	int write_idx;
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| 	/* Size of the rings. */
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| 	int size;
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| 	/* Op ring size aligned to cache line size */
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| 	int op_size;
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| 	/* The ip and output rings have to be accessed by SEC. So the
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| 	 * pointers will ahve to point to the housekeeping region provided
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| 	 * by SEC
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| 	 */
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| 	/*Circular  Ring of i/p descriptors */
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| 	caam_dma_addr_t *input_ring;
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| 	/* Circular Ring of o/p descriptors */
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| 	/* Circula Ring containing info regarding descriptors in i/p
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| 	 * and o/p ring
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| 	 */
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| 	/* This ring can be on the stack */
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| 	struct jr_info info[JR_SIZE];
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| 	struct op_ring *output_ring;
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| 	/* Offset in CCSR to the SEC engine to which this JR belongs */
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| 	uint32_t sec_offset;
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| 
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| };
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| 
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| struct result {
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| 	int done;
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| 	uint32_t status;
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| };
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| 
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| /*
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|  * struct caam_regs - CAAM initialization register interface
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|  *
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|  * Interface to caam memory map, jobring register, jobring storage.
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|  */
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| struct caam_regs {
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| 	ccsr_sec_t *sec;	/*caam initialization registers*/
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| 	struct jr_regs *regs;	/*jobring configuration registers*/
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| 	u8 jrid;		/*id to identify a jobring*/
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| 	/*Private sub-storage for a single JobR*/
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| 	struct jobring jr[CONFIG_SYS_FSL_MAX_NUM_OF_SEC];
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| };
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| 
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| void caam_jr_strstatus(u32 status);
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| int run_descriptor_jr(uint32_t *desc);
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| 
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| #endif
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