/** * AMCC SoC PPC4xx Crypto Driver * * Copyright (c) 2008 Applied Micro Circuits Corporation. * All rights reserved. James Hsiao * * 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