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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2015-2016 Freescale Semiconductor, Inc.
* Copyright 2017 NXP
*/
#ifndef _CLASS_CSR_H_
#define _CLASS_CSR_H_
/*
* @file class_csr.h.
* class_csr - block containing all the classifier control and status register.
* Mapped on CBUS and accessible from all PE's and ARM.
*/
#include <linux/bitops.h>
#define CLASS_VERSION (CLASS_CSR_BASE_ADDR + 0x000)
#define CLASS_TX_CTRL (CLASS_CSR_BASE_ADDR + 0x004)
#define CLASS_INQ_PKTPTR (CLASS_CSR_BASE_ADDR + 0x010)
/* (ddr_hdr_size[24:16], lmem_hdr_size[5:0]) */
#define CLASS_HDR_SIZE (CLASS_CSR_BASE_ADDR + 0x014)
/* LMEM header size for the Classifier block.
* Data in the LMEM is written from this offset.
*/
#define CLASS_HDR_SIZE_LMEM(off) ((off) & 0x3f)
/* DDR header size for the Classifier block.
* Data in the DDR is written from this offset.
*/
#define CLASS_HDR_SIZE_DDR(off) (((off) & 0x1ff) << 16)
/* DMEM address of first [15:0] and second [31:16] buffers on QB side. */
#define CLASS_PE0_QB_DM_ADDR0 (CLASS_CSR_BASE_ADDR + 0x020)
/* DMEM address of third [15:0] and fourth [31:16] buffers on QB side. */
#define CLASS_PE0_QB_DM_ADDR1 (CLASS_CSR_BASE_ADDR + 0x024)
/* DMEM address of first [15:0] and second [31:16] buffers on RO side. */
#define CLASS_PE0_RO_DM_ADDR0 (CLASS_CSR_BASE_ADDR + 0x060)
/* DMEM address of third [15:0] and fourth [31:16] buffers on RO side. */
#define CLASS_PE0_RO_DM_ADDR1 (CLASS_CSR_BASE_ADDR + 0x064)
/*
* @name Class PE memory access. Allows external PE's and HOST to
* read/write PMEM/DMEM memory ranges for each classifier PE.
*/
#define CLASS_MEM_ACCESS_ADDR (CLASS_CSR_BASE_ADDR + 0x100)
/* Internal Memory Access Write Data [31:0] */
#define CLASS_MEM_ACCESS_WDATA (CLASS_CSR_BASE_ADDR + 0x104)
/* Internal Memory Access Read Data [31:0] */
#define CLASS_MEM_ACCESS_RDATA (CLASS_CSR_BASE_ADDR + 0x108)
#define CLASS_TM_INQ_ADDR (CLASS_CSR_BASE_ADDR + 0x114)
#define CLASS_PE_STATUS (CLASS_CSR_BASE_ADDR + 0x118)
#define CLASS_PE_SYS_CLK_RATIO (CLASS_CSR_BASE_ADDR + 0x200)
#define CLASS_AFULL_THRES (CLASS_CSR_BASE_ADDR + 0x204)
#define CLASS_GAP_BETWEEN_READS (CLASS_CSR_BASE_ADDR + 0x208)
#define CLASS_MAX_BUF_CNT (CLASS_CSR_BASE_ADDR + 0x20c)
#define CLASS_TSQ_FIFO_THRES (CLASS_CSR_BASE_ADDR + 0x210)
#define CLASS_TSQ_MAX_CNT (CLASS_CSR_BASE_ADDR + 0x214)
#define CLASS_IRAM_DATA_0 (CLASS_CSR_BASE_ADDR + 0x218)
#define CLASS_IRAM_DATA_1 (CLASS_CSR_BASE_ADDR + 0x21c)
#define CLASS_IRAM_DATA_2 (CLASS_CSR_BASE_ADDR + 0x220)
#define CLASS_IRAM_DATA_3 (CLASS_CSR_BASE_ADDR + 0x224)
#define CLASS_BUS_ACCESS_ADDR (CLASS_CSR_BASE_ADDR + 0x228)
/* bit 23:0 of PE peripheral address are stored in CLASS_BUS_ACCESS_ADDR */
#define CLASS_BUS_ACCESS_ADDR_MASK (0x0001FFFF)
#define CLASS_BUS_ACCESS_WDATA (CLASS_CSR_BASE_ADDR + 0x22c)
#define CLASS_BUS_ACCESS_RDATA (CLASS_CSR_BASE_ADDR + 0x230)
/*
* (route_entry_size[9:0], route_hash_size[23:16]
* (this is actually ln2(size)))
*/
#define CLASS_ROUTE_HASH_ENTRY_SIZE (CLASS_CSR_BASE_ADDR + 0x234)
#define CLASS_ROUTE_ENTRY_SIZE(size) ((size) & 0x1ff)
#define CLASS_ROUTE_HASH_SIZE(hash_bits) (((hash_bits) & 0xff) << 16)
#define CLASS_ROUTE_TABLE_BASE (CLASS_CSR_BASE_ADDR + 0x238)
#define CLASS_ROUTE_MULTI (CLASS_CSR_BASE_ADDR + 0x23c)
#define CLASS_SMEM_OFFSET (CLASS_CSR_BASE_ADDR + 0x240)
#define CLASS_LMEM_BUF_SIZE (CLASS_CSR_BASE_ADDR + 0x244)
#define CLASS_VLAN_ID (CLASS_CSR_BASE_ADDR + 0x248)
#define CLASS_BMU1_BUF_FREE (CLASS_CSR_BASE_ADDR + 0x24c)
#define CLASS_USE_TMU_INQ (CLASS_CSR_BASE_ADDR + 0x250)
#define CLASS_VLAN_ID1 (CLASS_CSR_BASE_ADDR + 0x254)
#define CLASS_BUS_ACCESS_BASE (CLASS_CSR_BASE_ADDR + 0x258)
/* bit 31:24 of PE peripheral address are stored in CLASS_BUS_ACCESS_BASE */
#define CLASS_BUS_ACCESS_BASE_MASK (0xFF000000)
#define CLASS_HIF_PARSE (CLASS_CSR_BASE_ADDR + 0x25c)
#define CLASS_HOST_PE0_GP (CLASS_CSR_BASE_ADDR + 0x260)
#define CLASS_PE0_GP (CLASS_CSR_BASE_ADDR + 0x264)
#define CLASS_HOST_PE1_GP (CLASS_CSR_BASE_ADDR + 0x268)
#define CLASS_PE1_GP (CLASS_CSR_BASE_ADDR + 0x26c)
#define CLASS_HOST_PE2_GP (CLASS_CSR_BASE_ADDR + 0x270)
#define CLASS_PE2_GP (CLASS_CSR_BASE_ADDR + 0x274)
#define CLASS_HOST_PE3_GP (CLASS_CSR_BASE_ADDR + 0x278)
#define CLASS_PE3_GP (CLASS_CSR_BASE_ADDR + 0x27c)
#define CLASS_HOST_PE4_GP (CLASS_CSR_BASE_ADDR + 0x280)
#define CLASS_PE4_GP (CLASS_CSR_BASE_ADDR + 0x284)
#define CLASS_HOST_PE5_GP (CLASS_CSR_BASE_ADDR + 0x288)
#define CLASS_PE5_GP (CLASS_CSR_BASE_ADDR + 0x28c)
#define CLASS_PE_INT_SRC (CLASS_CSR_BASE_ADDR + 0x290)
#define CLASS_PE_INT_ENABLE (CLASS_CSR_BASE_ADDR + 0x294)
#define CLASS_TPID0_TPID1 (CLASS_CSR_BASE_ADDR + 0x298)
#define CLASS_TPID2 (CLASS_CSR_BASE_ADDR + 0x29c)
#define CLASS_L4_CHKSUM_ADDR (CLASS_CSR_BASE_ADDR + 0x2a0)
#define CLASS_PE0_DEBUG (CLASS_CSR_BASE_ADDR + 0x2a4)
#define CLASS_PE1_DEBUG (CLASS_CSR_BASE_ADDR + 0x2a8)
#define CLASS_PE2_DEBUG (CLASS_CSR_BASE_ADDR + 0x2ac)
#define CLASS_PE3_DEBUG (CLASS_CSR_BASE_ADDR + 0x2b0)
#define CLASS_PE4_DEBUG (CLASS_CSR_BASE_ADDR + 0x2b4)
#define CLASS_PE5_DEBUG (CLASS_CSR_BASE_ADDR + 0x2b8)
#define CLASS_STATE (CLASS_CSR_BASE_ADDR + 0x2bc)
#define CLASS_AXI_CTRL (CLASS_CSR_BASE_ADDR + 0x2d0)
/* CLASS defines */
#define CLASS_PBUF_SIZE 0x100 /* Fixed by hardware */
#define CLASS_PBUF_HEADER_OFFSET 0x80 /* Can be configured */
#define CLASS_PBUF0_BASE_ADDR 0x000 /* Can be configured */
/* Can be configured */
#define CLASS_PBUF1_BASE_ADDR (CLASS_PBUF0_BASE_ADDR + CLASS_PBUF_SIZE)
/* Can be configured */
#define CLASS_PBUF2_BASE_ADDR (CLASS_PBUF1_BASE_ADDR + CLASS_PBUF_SIZE)
/* Can be configured */
#define CLASS_PBUF3_BASE_ADDR (CLASS_PBUF2_BASE_ADDR + CLASS_PBUF_SIZE)
#define CLASS_PBUF0_HEADER_BASE_ADDR (CLASS_PBUF0_BASE_ADDR +\
CLASS_PBUF_HEADER_OFFSET)
#define CLASS_PBUF1_HEADER_BASE_ADDR (CLASS_PBUF1_BASE_ADDR +\
CLASS_PBUF_HEADER_OFFSET)
#define CLASS_PBUF2_HEADER_BASE_ADDR (CLASS_PBUF2_BASE_ADDR +\
CLASS_PBUF_HEADER_OFFSET)
#define CLASS_PBUF3_HEADER_BASE_ADDR (CLASS_PBUF3_BASE_ADDR +\
CLASS_PBUF_HEADER_OFFSET)
#define CLASS_PE0_RO_DM_ADDR0_VAL ((CLASS_PBUF1_BASE_ADDR << 16) |\
CLASS_PBUF0_BASE_ADDR)
#define CLASS_PE0_RO_DM_ADDR1_VAL ((CLASS_PBUF3_BASE_ADDR << 16) |\
CLASS_PBUF2_BASE_ADDR)
#define CLASS_PE0_QB_DM_ADDR0_VAL ((CLASS_PBUF1_HEADER_BASE_ADDR << 16)\
| CLASS_PBUF0_HEADER_BASE_ADDR)
#define CLASS_PE0_QB_DM_ADDR1_VAL ((CLASS_PBUF3_HEADER_BASE_ADDR << 16)\
| CLASS_PBUF2_HEADER_BASE_ADDR)
#define CLASS_ROUTE_SIZE 128
#define CLASS_ROUTE_HASH_BITS 20
#define CLASS_ROUTE_HASH_MASK (BIT(CLASS_ROUTE_HASH_BITS) - 1)
#define TWO_LEVEL_ROUTE BIT(0)
#define PHYNO_IN_HASH BIT(1)
#define HW_ROUTE_FETCH BIT(3)
#define HW_BRIDGE_FETCH BIT(5)
#define IP_ALIGNED BIT(6)
#define ARC_HIT_CHECK_EN BIT(7)
#define CLASS_TOE BIT(11)
#define HASH_CRC_PORT BIT(12)
#define HASH_CRC_IP BIT(13)
#define HASH_CRC_PORT_IP GENMASK(13, 12)
#define QB2BUS_LE BIT(15)
#define TCP_CHKSUM_DROP BIT(0)
#define UDP_CHKSUM_DROP BIT(1)
#define IPV4_CHKSUM_DROP BIT(9)
struct class_cfg {
u32 route_table_baseaddr;
u32 route_table_hash_bits;
};
#endif /* _CLASS_CSR_H_ */
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