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/**
* AMCC SoC PPC4xx Crypto Driver
*
* Copyright (c) 2008 Applied Micro Circuits Corporation.
* All rights reserved. James Hsiao <jhsiao@amcc.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This filr defines the register set for Security Subsystem
*/
#ifndef __CRYPTO4XX_REG_DEF_H__
#define __CRYPTO4XX_REG_DEF_H__
/* CRYPTO4XX Register offset */
#define CRYPTO4XX_DESCRIPTOR 0x00000000
#define CRYPTO4XX_CTRL_STAT 0x00000000
#define CRYPTO4XX_SOURCE 0x00000004
#define CRYPTO4XX_DEST 0x00000008
#define CRYPTO4XX_SA 0x0000000C
#define CRYPTO4XX_SA_LENGTH 0x00000010
#define CRYPTO4XX_LENGTH 0x00000014
#define CRYPTO4XX_PE_DMA_CFG 0x00000040
#define CRYPTO4XX_PE_DMA_STAT 0x00000044
#define CRYPTO4XX_PDR_BASE 0x00000048
#define CRYPTO4XX_RDR_BASE 0x0000004c
#define CRYPTO4XX_RING_SIZE 0x00000050
#define CRYPTO4XX_RING_CTRL 0x00000054
#define CRYPTO4XX_INT_RING_STAT 0x00000058
#define CRYPTO4XX_EXT_RING_STAT 0x0000005c
#define CRYPTO4XX_IO_THRESHOLD 0x00000060
#define CRYPTO4XX_GATH_RING_BASE 0x00000064
#define CRYPTO4XX_SCAT_RING_BASE 0x00000068
#define CRYPTO4XX_PART_RING_SIZE 0x0000006c
#define CRYPTO4XX_PART_RING_CFG 0x00000070
#define CRYPTO4XX_PDR_BASE_UADDR 0x00000080
#define CRYPTO4XX_RDR_BASE_UADDR 0x00000084
#define CRYPTO4XX_PKT_SRC_UADDR 0x00000088
#define CRYPTO4XX_PKT_DEST_UADDR 0x0000008c
#define CRYPTO4XX_SA_UADDR 0x00000090
#define CRYPTO4XX_GATH_RING_BASE_UADDR 0x000000A0
#define CRYPTO4XX_SCAT_RING_BASE_UADDR 0x000000A4
#define CRYPTO4XX_SEQ_RD 0x00000408
#define CRYPTO4XX_SEQ_MASK_RD 0x0000040C
#define CRYPTO4XX_SA_CMD_0 0x00010600
#define CRYPTO4XX_SA_CMD_1 0x00010604
#define CRYPTO4XX_STATE_PTR 0x000106dc
#define CRYPTO4XX_STATE_IV 0x00010700
#define CRYPTO4XX_STATE_HASH_BYTE_CNT_0 0x00010710
#define CRYPTO4XX_STATE_HASH_BYTE_CNT_1 0x00010714
#define CRYPTO4XX_STATE_IDIGEST_0 0x00010718
#define CRYPTO4XX_STATE_IDIGEST_1 0x0001071c
#define CRYPTO4XX_DATA_IN 0x00018000
#define CRYPTO4XX_DATA_OUT 0x0001c000
#define CRYPTO4XX_INT_UNMASK_STAT 0x000500a0
#define CRYPTO4XX_INT_MASK_STAT 0x000500a4
#define CRYPTO4XX_INT_CLR 0x000500a4
#define CRYPTO4XX_INT_EN 0x000500a8
#define CRYPTO4XX_INT_PKA 0x00000002
#define CRYPTO4XX_INT_PDR_DONE 0x00008000
#define CRYPTO4XX_INT_MA_WR_ERR 0x00020000
#define CRYPTO4XX_INT_MA_RD_ERR 0x00010000
#define CRYPTO4XX_INT_PE_ERR 0x00000200
#define CRYPTO4XX_INT_USER_DMA_ERR 0x00000040
#define CRYPTO4XX_INT_SLAVE_ERR 0x00000010
#define CRYPTO4XX_INT_MASTER_ERR 0x00000008
#define CRYPTO4XX_INT_ERROR 0x00030258
#define CRYPTO4XX_INT_CFG 0x000500ac
#define CRYPTO4XX_INT_DESCR_RD 0x000500b0
#define CRYPTO4XX_INT_DESCR_CNT 0x000500b4
#define CRYPTO4XX_INT_TIMEOUT_CNT 0x000500b8
#define CRYPTO4XX_DEVICE_CTRL 0x00060080
#define CRYPTO4XX_DEVICE_ID 0x00060084
#define CRYPTO4XX_DEVICE_INFO 0x00060088
#define CRYPTO4XX_DMA_USER_SRC 0x00060094
#define CRYPTO4XX_DMA_USER_DEST 0x00060098
#define CRYPTO4XX_DMA_USER_CMD 0x0006009C
#define CRYPTO4XX_DMA_CFG 0x000600d4
#define CRYPTO4XX_BYTE_ORDER_CFG 0x000600d8
#define CRYPTO4XX_ENDIAN_CFG 0x000600d8
#define CRYPTO4XX_PRNG_STAT 0x00070000
#define CRYPTO4XX_PRNG_CTRL 0x00070004
#define CRYPTO4XX_PRNG_SEED_L 0x00070008
#define CRYPTO4XX_PRNG_SEED_H 0x0007000c
#define CRYPTO4XX_PRNG_RES_0 0x00070020
#define CRYPTO4XX_PRNG_RES_1 0x00070024
#define CRYPTO4XX_PRNG_RES_2 0x00070028
#define CRYPTO4XX_PRNG_RES_3 0x0007002C
#define CRYPTO4XX_PRNG_LFSR_L 0x00070030
#define CRYPTO4XX_PRNG_LFSR_H 0x00070034
/**
* Initialize CRYPTO ENGINE registers, and memory bases.
*/
#define PPC4XX_PDR_POLL 0x3ff
#define PPC4XX_OUTPUT_THRESHOLD 2
#define PPC4XX_INPUT_THRESHOLD 2
#define PPC4XX_PD_SIZE 6
#define PPC4XX_CTX_DONE_INT 0x2000
#define PPC4XX_PD_DONE_INT 0x8000
#define PPC4XX_BYTE_ORDER 0x22222
#define PPC4XX_INTERRUPT_CLR 0x3ffff
#define PPC4XX_PRNG_CTRL_AUTO_EN 0x3
#define PPC4XX_DC_3DES_EN 1
#define PPC4XX_INT_DESCR_CNT 4
#define PPC4XX_INT_TIMEOUT_CNT 0
#define PPC4XX_INT_CFG 1
/**
* all follow define are ad hoc
*/
#define PPC4XX_RING_RETRY 100
#define PPC4XX_RING_POLL 100
#define PPC4XX_SDR_SIZE PPC4XX_NUM_SD
#define PPC4XX_GDR_SIZE PPC4XX_NUM_GD
/**
* Generic Security Association (SA) with all possible fields. These will
* never likely used except for reference purpose. These structure format
* can be not changed as the hardware expects them to be layout as defined.
* Field can be removed or reduced but ordering can not be changed.
*/
#define CRYPTO4XX_DMA_CFG_OFFSET 0x40
union ce_pe_dma_cfg {
struct {
u32 rsv:7;
u32 dir_host:1;
u32 rsv1:2;
u32 bo_td_en:1;
u32 dis_pdr_upd:1;
u32 bo_sgpd_en:1;
u32 bo_data_en:1;
u32 bo_sa_en:1;
u32 bo_pd_en:1;
u32 rsv2:4;
u32 dynamic_sa_en:1;
u32 pdr_mode:2;
u32 pe_mode:1;
u32 rsv3:5;
u32 reset_sg:1;
u32 reset_pdr:1;
u32 reset_pe:1;
} bf;
u32 w;
} __attribute__((packed));
#define CRYPTO4XX_PDR_BASE_OFFSET 0x48
#define CRYPTO4XX_RDR_BASE_OFFSET 0x4c
#define CRYPTO4XX_RING_SIZE_OFFSET 0x50
union ce_ring_size {
struct {
u32 ring_offset:16;
u32 rsv:6;
u32 ring_size:10;
} bf;
u32 w;
} __attribute__((packed));
#define CRYPTO4XX_RING_CONTROL_OFFSET 0x54
union ce_ring_contol {
struct {
u32 continuous:1;
u32 rsv:5;
u32 ring_retry_divisor:10;
u32 rsv1:4;
u32 ring_poll_divisor:10;
} bf;
u32 w;
} __attribute__((packed));
#define CRYPTO4XX_IO_THRESHOLD_OFFSET 0x60
union ce_io_threshold {
struct {
u32 rsv:6;
u32 output_threshold:10;
u32 rsv1:6;
u32 input_threshold:10;
} bf;
u32 w;
} __attribute__((packed));
#define CRYPTO4XX_GATHER_RING_BASE_OFFSET 0x64
#define CRYPTO4XX_SCATTER_RING_BASE_OFFSET 0x68
union ce_part_ring_size {
struct {
u32 sdr_size:16;
u32 gdr_size:16;
} bf;
u32 w;
} __attribute__((packed));
#define MAX_BURST_SIZE_32 0
#define MAX_BURST_SIZE_64 1
#define MAX_BURST_SIZE_128 2
#define MAX_BURST_SIZE_256 3
/* gather descriptor control length */
struct gd_ctl_len {
u32 len:16;
u32 rsv:14;
u32 done:1;
u32 ready:1;
} __attribute__((packed));
struct ce_gd {
u32 ptr;
struct gd_ctl_len ctl_len;
} __attribute__((packed));
struct sd_ctl {
u32 ctl:30;
u32 done:1;
u32 rdy:1;
} __attribute__((packed));
struct ce_sd {
u32 ptr;
struct sd_ctl ctl;
} __attribute__((packed));
#define PD_PAD_CTL_32 0x10
#define PD_PAD_CTL_64 0x20
#define PD_PAD_CTL_128 0x40
#define PD_PAD_CTL_256 0x80
union ce_pd_ctl {
struct {
u32 pd_pad_ctl:8;
u32 status:8;
u32 next_hdr:8;
u32 rsv:2;
u32 cached_sa:1;
u32 hash_final:1;
u32 init_arc4:1;
u32 rsv1:1;
u32 pe_done:1;
u32 host_ready:1;
} bf;
u32 w;
} __attribute__((packed));
union ce_pd_ctl_len {
struct {
u32 bypass:8;
u32 pe_done:1;
u32 host_ready:1;
u32 rsv:2;
u32 pkt_len:20;
} bf;
u32 w;
} __attribute__((packed));
struct ce_pd {
union ce_pd_ctl pd_ctl;
u32 src;
u32 dest;
u32 sa; /* get from ctx->sa_dma_addr */
u32 sa_len; /* only if dynamic sa is used */
union ce_pd_ctl_len pd_ctl_len;
} __attribute__((packed));
#endif
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