363 lines
13 KiB
C
363 lines
13 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2011 by amaury Pouly
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*
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* Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
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* and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __DCP_IMX233_H__
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#define __DCP_IMX233_H__
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#include "cpu.h"
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#include "system.h"
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#include "system-target.h"
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#define HW_DCP_BASE 0x80028000
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/* channels */
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#define HW_DCP_CH(x) (x)
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#define HW_DCP_NUM_CHANNELS 4
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#define HW_DCP_CSC 8
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/* ciphers */
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#define HW_DCP_CIPHER_AES128 1
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/* hash */
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#define HW_DCP_HASH_SHA1 1
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#define HW_DCP_HASH_CRC32 2
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#define HW_DCP_CTRL (*(volatile uint32_t *)(HW_DCP_BASE + 0x0))
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#define HW_DCP_CTRL__CHANNEL_INTERRUPT_ENABLE_BP 0
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#define HW_DCP_CTRL__CHANNEL_INTERRUPT_ENABLE_BM 0xf
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#define HW_DCP_CTRL__CHANNEL_INTERRUPT_ENABLE(x) (1 << (x))
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#define HW_DCP_CTRL__CSC_INTERRUPT_ENABLE (1 << 8)
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#define HW_DCP_CTRL__ENABLE_CONTEXT_SWITCHING (1 << 21)
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#define HW_DCP_CTRL__ENABLE_CONTEXT_CACHING (1 << 22)
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#define HW_DCP_CTRL__GATHER_RESIDUAL_WRITES (1 << 23)
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#define HW_DCP_CTRL__PRESENT_CSC (1 << 28)
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#define HW_DCP_CTRL__PRESENT_CRYPTO (1 << 29)
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#define HW_DCP_STAT (*(volatile uint32_t *)(HW_DCP_BASE + 0x10))
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#define HW_DCP_STAT__IRQ_BP 0
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#define HW_DCP_STAT__IRQ_BM 0xf
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#define HW_DCP_STAT__IRQ(x) (1 << (x))
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#define HW_DCP_STAT__CSCIRQ (1 << 8)
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#define HW_DCP_STAT__READY_CHANNELS_BP 16
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#define HW_DCP_STAT__READY_CHANNELS_BM (0xff << 16)
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#define HW_DCP_STAT__READY_CHANNELS(x) (1 << (16 + (x)))
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#define HW_DCP_STAT__CUR_CHANNEL_BP 24
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#define HW_DCP_STAT__CUR_CHANNEL_BM (0xf << 24)
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#define HW_DCP_STAT__OTP_KEY_READY (1 << 28)
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#define HW_DCP_CHANNELCTRL (*(volatile uint32_t *)(HW_DCP_BASE + 0x20))
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#define HW_DCP_CHANNELCTRL__ENABLE_CHANNEL_BP 0
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#define HW_DCP_CHANNELCTRL__ENABLE_CHANNEL_BM 0xff
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#define HW_DCP_CHANNELCTRL__ENABLE_CHANNEL(x) (1 << (x))
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#define HW_DCP_CHANNELCTRL__HIGH_PRIORITY_CHANNEL_BP 8
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#define HW_DCP_CHANNELCTRL__HIGH_PRIORITY_CHANNEL_BM (0xff << 8)
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#define HW_DCP_CHANNELCTRL__HIGH_PRIORITY_CHANNEL(x) (1 << (8 + (x)))
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#define HW_DCP_CHANNELCTRL__CH0_IRQ_MERGED (1 << 16)
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#define HW_DCP_CHANNELCTRL__CSC_PRIORITY_BP 17
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#define HW_DCP_CHANNELCTRL__CSC_PRIORITY_BM (3 << 17)
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#define HW_DCP_CAPABILITY0 (*(volatile uint32_t *)(HW_DCP_BASE + 0x30))
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#define HW_DCP_CAPABILITY0__NUM_KEYS_BP 0
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#define HW_DCP_CAPABILITY0__NUM_KEYS_BM 0xff
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#define HW_DCP_CAPABILITY0__NUM_CHANNELS_BP 8
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#define HW_DCP_CAPABILITY0__NUM_CHANNELS_BM 0xf00
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#define HW_DCP_CAPABILITY0__ENABLE_TZONE (1 << 30)
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#define HW_DCP_CAPABILITY0__DISABLE_DECRYPT (1 << 31)
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#define HW_DCP_CAPABILITY1 (*(volatile uint32_t *)(HW_DCP_BASE + 0x40))
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#define HW_DCP_CAPABILITY1__CIPHER_ALGORITHMS_BP 0
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#define HW_DCP_CAPABILITY1__CIPHER_ALGORITHMS_BM 0xffff
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#define HW_DCP_CAPABILITY1__HASH_ALGORITHMS_BP 16
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#define HW_DCP_CAPABILITY1__HASH_ALGORITHMS_BM 0xffff0000
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#define HW_DCP_CONTEXT (*(volatile uint32_t *)(HW_DCP_BASE + 0x50))
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#define HW_DCP_KEY (*(volatile uint32_t *)(HW_DCP_BASE + 0x60))
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#define HW_DCP_KEYDATA (*(volatile uint32_t *)(HW_DCP_BASE + 0x70))
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#define HW_DCP_PACKET0 (*(volatile uint32_t *)(HW_DCP_BASE + 0x80))
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#define HW_DCP_PACKET1 (*(volatile uint32_t *)(HW_DCP_BASE + 0x90))
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#define HW_DCP_PACKET2 (*(volatile uint32_t *)(HW_DCP_BASE + 0xa0))
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#define HW_DCP_PACKET3 (*(volatile uint32_t *)(HW_DCP_BASE + 0xb0))
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#define HW_DCP_PACKET4 (*(volatile uint32_t *)(HW_DCP_BASE + 0xc0))
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#define HW_DCP_PACKET5 (*(volatile uint32_t *)(HW_DCP_BASE + 0xd0))
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#define HW_DCP_PACKET6 (*(volatile uint32_t *)(HW_DCP_BASE + 0xe0))
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#define HW_DCP_CHxCMDPTR(x) (*(volatile uint32_t *)(HW_DCP_BASE + 0x100 + (x) * 0x40))
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#define HW_DCP_CHxSEMA(x) (*(volatile uint32_t *)(HW_DCP_BASE + 0x110 + (x) * 0x40))
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#define HW_DCP_CHxSEMA__INCREMENT_BP 0
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#define HW_DCP_CHxSEMA__INCREMENT_BM 0xff
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#define HW_DCP_CHxSEMA__VALUE_BP 16
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#define HW_DCP_CHxSEMA__VALUE_BM 0xff0000
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#define HW_DCP_CHxSTAT(x) (*(volatile uint32_t *)(HW_DCP_BASE + 0x120 + (x) * 0x40))
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#define HW_DCP_CHxOPTS(x) (*(volatile uint32_t *)(HW_DCP_BASE + 0x130 + (x) * 0x40))
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#define HW_DCP_CHxOPTS__RECOVERY_TIMER_BP 0
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#define HW_DCP_CHxOPTS__RECOVERY_TIMER_BM 0xffff
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#define HW_DCP_CSCCTRL0 (*(volatile uint32_t *)(HW_DCP_BASE + 0x300))
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#define HW_DCP_CSCCTRL0__ENABLE (1 << 0)
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#define HW_DCP_CSCCTRL0__YUV_FORMAT_BP 4
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#define HW_DCP_CSCCTRL0__YUV_FORMAT_BM 0xf0
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#define HW_DCP_CSCCTRL0__YUV_FORMAT__YUV420 0x0
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#define HW_DCP_CSCCTRL0__YUV_FORMAT__YUV422 0x2
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#define HW_DCP_CSCCTRL0__RGB_FORMAT_BP 8
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#define HW_DCP_CSCCTRL0__RGB_FORMAT_BM 0x300
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#define HW_DCP_CSCCTRL0__RGB_FORMAT__RGB16_565 0x0
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#define HW_DCP_CSCCTRL0__RGB_FORMAT__YCbCrI 0x1
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#define HW_DCP_CSCCTRL0__RGB_FORMAT__RGB24 0x2
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#define HW_DCP_CSCCTRL0__RGB_FORMAT__YUV422I 0x3
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#define HW_DCP_CSCCTRL0__DELTA (1 << 10)
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#define HW_DCP_CSCCTRL0__SUBSAMPLE (1 << 11)
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#define HW_DCP_CSCCTRL0__ROTATE (1 << 12)
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#define HW_DCP_CSCCTRL0__SCALE (1 << 13)
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#define HW_DCP_CSCCTRL0__UPSAMPLE (1 << 14)
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#define HW_DCP_CSCCTRL0__CLIP (1 << 15)
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#define HW_DCP_CSCSTAT (*(volatile uint32_t *)(HW_DCP_BASE + 0x310))
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#define HW_DCP_CSCSTAT__COMPLETE (1 << 0)
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#define HW_DCP_CSCSTAT__ERROR_SETUP (1 << 2)
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#define HW_DCP_CSCSTAT__ERROR_SRC (1 << 4)
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#define HW_DCP_CSCSTAT__ERROR_DST (1 << 5)
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#define HW_DCP_CSCSTAT__ERROR_PAGEFAULT (1 << 6)
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#define HW_DCP_CSCSTAT__ERROR_CODE_BP 16
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#define HW_DCP_CSCSTAT__ERROR_CODE_BM (0xff << 16)
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#define HW_DCP_CSCOUTBUFPARAM (*(volatile uint32_t *)(HW_DCP_BASE + 0x320))
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#define HW_DCP_CSCOUTBUFPARAM__LINE_SIZE_BP 0
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#define HW_DCP_CSCOUTBUFPARAM__LINE_SIZE_BM 0xfff
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#define HW_DCP_CSCOUTBUFPARAM__FIELD_SIZE_BP 12
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#define HW_DCP_CSCOUTBUFPARAM__FIELD_SIZE_BM 0xfff000
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#define HW_DCP_CSCINBUFPARAM (*(volatile uint32_t *)(HW_DCP_BASE + 0x330))
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#define HW_DCP_CSCINBUFPARAM__LINE_SIZE_BP 0
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#define HW_DCP_CSCINBUFPARAM__LINE_SIZE_BM 0xfff
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#define HW_DCP_CSCRGB (*(volatile uint32_t *)(HW_DCP_BASE + 0x340))
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#define HW_DCP_CSCLUMA (*(volatile uint32_t *)(HW_DCP_BASE + 0x350))
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#define HW_DCP_CSCCHROMAU (*(volatile uint32_t *)(HW_DCP_BASE + 0x360))
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#define HW_DCP_CSCCHROMAV (*(volatile uint32_t *)(HW_DCP_BASE + 0x370))
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#define HW_DCP_CSCCOEFF0 (*(volatile uint32_t *)(HW_DCP_BASE + 0x380))
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#define HW_DCP_CSCCOEFF0__Y_OFFSET_BP 0
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#define HW_DCP_CSCCOEFF0__Y_OFFSET_BM 0xff
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#define HW_DCP_CSCCOEFF0__UV_OFFSET_BP 8
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#define HW_DCP_CSCCOEFF0__UV_OFFSET_BM 0xff00
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#define HW_DCP_CSCCOEFF0__C0_BP 16
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#define HW_DCP_CSCCOEFF0__C0_BM 0x3ff0000
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#define HW_DCP_CSCCOEFF1 (*(volatile uint32_t *)(HW_DCP_BASE + 0x390))
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#define HW_DCP_CSCCOEFF1__C4_BP 0
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#define HW_DCP_CSCCOEFF1__C4_BM 0x3ff
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#define HW_DCP_CSCCOEFF1__C1_BP 16
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#define HW_DCP_CSCCOEFF1__C1_BM 0x3ff0000
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#define HW_DCP_CSCCOEFF2 (*(volatile uint32_t *)(HW_DCP_BASE + 0x3a0))
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#define HW_DCP_CSCCOEFF2__C3_BP 0
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#define HW_DCP_CSCCOEFF2__C3_BM 0x3ff
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#define HW_DCP_CSCCOEFF2__C2_BP 16
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#define HW_DCP_CSCCOEFF2__C2_BM 0x3ff0000
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#define HW_DCP_CSCCLIP (*(volatile uint32_t *)(HW_DCP_BASE + 0x3b0))
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#define HW_DCP_CSCCLIP__WIDTH_BP 0
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#define HW_DCP_CSCCLIP__WIDTH_BM 0xfff
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#define HW_DCP_CSCCLIP__HEIGHT_BP 12
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#define HW_DCP_CSCCLIP__HEIGHT_BM 0xfff000
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#define HW_DCP_CSCXSCALE (*(volatile uint32_t *)(HW_DCP_BASE + 0x3c0))
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#define HW_DCP_CSCXSCALE__WIDTH_BP 0
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#define HW_DCP_CSCXSCALE__WIDTH_BM 0xfff
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#define HW_DCP_CSCXSCALE__FRAC_BP 12
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#define HW_DCP_CSCXSCALE__FRAC_BM 0xfff000
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#define HW_DCP_CSCXSCALE__INT_BP 24
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#define HW_DCP_CSCXSCALE__INT_BM 0x3000000
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#define HW_DCP_CSCYSCALE (*(volatile uint32_t *)(HW_DCP_BASE + 0x3d0))
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#define HW_DCP_CSCYSCALE__WIDTH_BP 0
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#define HW_DCP_CSCYSCALE__WIDTH_BM 0xfff
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#define HW_DCP_CSCYSCALE__FRAC_BP 12
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#define HW_DCP_CSCYSCALE__FRAC_BM 0xfff000
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#define HW_DCP_CSCYSCALE__INT_BP 24
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#define HW_DCP_CSCYSCALE__INT_BM 0x3000000
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#define HW_DCP_PAGETABLE (*(volatile uint32_t *)(HW_DCP_BASE + 0x420))
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#define HW_DCP_PAGETABLE__ENABLE (1 << 0)
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#define HW_DCP_PAGETABLE__FLUSH (1 << 1)
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#define HW_DCP_PAGETABLE__BASE_BP 2
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#define HW_DCP_PAGETABLE__BASE_BM 0xfffffffc
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struct imx233_dcp_packet_t
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{
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uint32_t next;
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uint32_t ctrl0;
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uint32_t ctrl1;
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uint32_t src;
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uint32_t dst;
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uint32_t size;
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uint32_t payload;
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uint32_t status;
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} __attribute__((packed));
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#define HW_DCP_CTRL0__INTERRUPT_ENABLE (1 << 0)
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#define HW_DCP_CTRL0__DECR_SEMAPHORE (1 << 1)
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#define HW_DCP_CTRL0__CHAIN (1 << 2)
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#define HW_DCP_CTRL0__CHAIN_CONTINUOUS (1 << 3)
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#define HW_DCP_CTRL0__ENABLE_MEMCOPY (1 << 4)
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#define HW_DCP_CTRL0__ENABLE_CIPHER (1 << 5)
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#define HW_DCP_CTRL0__ENABLE_HASH (1 << 6)
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#define HW_DCP_CTRL0__ENABLE_BLIT (1 << 7)
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#define HW_DCP_CTRL0__CIPHER_ENCRYPT (1 << 8)
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#define HW_DCP_CTRL0__CIPHER_INIT (1 << 9)
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#define HW_DCP_CTRL0__OTP_KEY (1 << 10)
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#define HW_DCP_CTRL0__PAYLOAD_KEY (1 << 11)
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#define HW_DCP_CTRL0__HASH_INIT (1 << 12)
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#define HW_DCP_CTRL0__HASH_TERM (1 << 13)
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#define HW_DCP_CTRL0__HASH_CHECK (1 << 14)
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#define HW_DCP_CTRL0__HASH_OUTPUT (1 << 15)
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#define HW_DCP_CTRL0__CONSTANT_FILL (1 << 16)
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#define HW_DCP_CTRL0__TEST_SEMA_IRQ (1 << 17)
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#define HW_DCP_CTRL0__KEY_BYTESWAP (1 << 18)
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#define HW_DCP_CTRL0__KEY_WORDSWAP (1 << 19)
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#define HW_DCP_CTRL0__INPUT_BYTESWAP (1 << 20)
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#define HW_DCP_CTRL0__INPUT_WORDSWAP (1 << 21)
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#define HW_DCP_CTRL0__OUTPUT_BYTESWAP (1 << 22)
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#define HW_DCP_CTRL0__OUTPUT_WORDSWAP (1 << 23)
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#define HW_DCP_CTRL0__TAG_BP 24
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#define HW_DCP_CTRL0__TAG_BM (0xff << 24)
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#define HW_DCP_CTRL1__CIPHER_SELECT_BP 0
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#define HW_DCP_CTRL1__CIPHER_SELECT_BM 0xf
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#define HW_DCP_CTRL1__CIPHER_MODE_BP 4
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#define HW_DCP_CTRL1__CIPHER_MODE_BM 0xf0
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#define HW_DCP_CTRL1__KEY_SELECT_BP 8
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#define HW_DCP_CTRL1__KEY_SELECT_BM 0xff00
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#define HW_DCP_CTRL1__FRAMEBUFFER_LENGTH_BP 0
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#define HW_DCP_CTRL1__FRAMEBUFFER_LENGTH_BM 0xffff
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#define HW_DCP_CTRL1__HASH_SELECT_BP 16
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#define HW_DCP_CTRL1__HASH_SELECT_BM 0xf0000
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#define HW_DCP_CTRL1__CIPHER_CONFIG_BP 24
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#define HW_DCP_CTRL1__CIPHER_CONFIG_BM (0xff << 24)
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#define HW_DCP_SIZE__BLIT_WIDTH_BP 0
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#define HW_DCP_SIZE__BLIT_WIDTH_BM 0xffff
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#define HW_DCP_SIZE__NUMBER_LINES_BP 16
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#define HW_DCP_SIZE__NUMBER_LINES_BM 0xffff0000
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#define HW_DCP_STATUS__COMPLETE (1 << 0)
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#define HW_DCP_STATUS__HASH_MISMATCH (1 << 1)
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#define HW_DCP_STATUS__ERROR_SETUP (1 << 2)
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#define HW_DCP_STATUS__ERROR_PACKET (1 << 3)
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#define HW_DCP_STATUS__ERROR_SRC (1 << 4)
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#define HW_DCP_STATUS__ERROR_DST (1 << 5)
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#define HW_DCP_STATUS__ERROR_CODE_BP 16
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#define HW_DCP_STATUS__ERROR_CODE_BM (0xff << 16)
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#define HW_DCP_STATUS__TAG_BP 24
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#define HW_DCP_STATUS__TAG_BM (0xff << 24)
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struct imx233_dcp_channel_info_t
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{
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bool irq;
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bool irq_en;
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bool enable;
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bool high_priority;
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bool ready;
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int sema;
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uint32_t cmdptr;
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};
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struct imx233_dcp_csc_info_t
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{
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bool irq;
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bool irq_en;
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bool enable;
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int priority;
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};
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struct imx233_dcp_info_t
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{
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/* capabilities */
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bool has_crypto;
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bool has_csc;
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int num_keys;
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int num_channels;
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unsigned ciphers;
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unsigned hashs;
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/* global state */
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bool context_switching;
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bool context_caching;
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bool gather_writes;
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bool otp_key_ready;
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bool ch0_merged;
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/* channel state */
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struct imx233_dcp_channel_info_t channel[HW_DCP_NUM_CHANNELS];
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/* csc state */
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struct imx233_dcp_csc_info_t csc;
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};
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#define DCP_INFO_CAPABILITIES (1 << 0)
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#define DCP_INFO_GLOBAL_STATE (1 << 1)
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#define DCP_INFO_CHANNELS (1 << 2)
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#define DCP_INFO_CSC (1 << 3)
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#define DCP_INFO_ALL 0xf
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enum imx233_dcp_error_t
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{
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DCP_SUCCESS = 0,
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DCP_TIMEOUT = -1,
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DCP_ERROR_SETUP = -2,
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DCP_ERROR_PACKET = -3,
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DCP_ERROR_SRC = -4,
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DCP_ERROR_DST = -5,
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DCP_ERROR_CHAIN_IS_0 = -6,
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DCP_ERROR_NO_CHAIN = -7,
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DCP_ERROR_CONTEXT = -8,
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DCP_ERROR_PAYLOAD = -9,
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DCP_ERROR_MODE = -10,
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DCP_ERROR = -11
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};
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void imx233_dcp_init(void);
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// return OBJ_WAIT_TIMEOUT on failure
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int imx233_dcp_acquire_channel(int timeout);
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void imx233_dcp_release_channel(int chan);
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// doesn't check that channel is in use!
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void imx233_dcp_reserve_channel(int channel);
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enum imx233_dcp_error_t imx233_dcp_memcpy_ex(int channel, void *src, void *dst, size_t len);
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enum imx233_dcp_error_t imx233_dcp_memcpy(void *src, void *dst, size_t len, int tmo);
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struct imx233_dcp_info_t imx233_dcp_get_info(unsigned flags);
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#endif // __DMA_IMX233_H__
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