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/*
* Copyright (c) 2014 Adrian Chadd <adrian@FreeBSD.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* Register definitions for the built-in NAND controller
* of the Atheros AR934x and QCA955x SoCs.
*
* This file is based on the AR934x SoC driver from OpenWRT.
*
* Copyright (C) 2011-2013 Gabor Juhos <juhosg@openwrt.org>
*
* Used with permission.
*/
#ifndef __AR934X_NFCREG_H__
#define __AR934X_NFCREG_H__
#define BIT(x) (1 << (x))
#define AR934X_NFC_REG_CMD 0x00
#define AR934X_NFC_REG_CTRL 0x04
#define AR934X_NFC_REG_STATUS 0x08
#define AR934X_NFC_REG_INT_MASK 0x0c
#define AR934X_NFC_REG_INT_STATUS 0x10
#define AR934X_NFC_REG_ECC_CTRL 0x14
#define AR934X_NFC_REG_ECC_OFFSET 0x18
#define AR934X_NFC_REG_ADDR0_0 0x1c
#define AR934X_NFC_REG_ADDR0_1 0x24
#define AR934X_NFC_REG_ADDR1_0 0x20
#define AR934X_NFC_REG_ADDR1_1 0x28
#define AR934X_NFC_REG_SPARE_SIZE 0x30
#define AR934X_NFC_REG_PROTECT 0x38
#define AR934X_NFC_REG_LOOKUP_EN 0x40
#define AR934X_NFC_REG_LOOKUP(_x) (0x44 + (_i) * 4)
#define AR934X_NFC_REG_DMA_ADDR 0x64
#define AR934X_NFC_REG_DMA_COUNT 0x68
#define AR934X_NFC_REG_DMA_CTRL 0x6c
#define AR934X_NFC_REG_MEM_CTRL 0x80
#define AR934X_NFC_REG_DATA_SIZE 0x84
#define AR934X_NFC_REG_READ_STATUS 0x88
#define AR934X_NFC_REG_TIME_SEQ 0x8c
#define AR934X_NFC_REG_TIMINGS_ASYN 0x90
#define AR934X_NFC_REG_TIMINGS_SYN 0x94
#define AR934X_NFC_REG_FIFO_DATA 0x98
#define AR934X_NFC_REG_TIME_MODE 0x9c
#define AR934X_NFC_REG_DMA_ADDR_OFFS 0xa0
#define AR934X_NFC_REG_FIFO_INIT 0xb0
#define AR934X_NFC_REG_GEN_SEQ_CTRL 0xb4
#define AR934X_NFC_CMD_CMD_SEQ_S 0
#define AR934X_NFC_CMD_CMD_SEQ_M 0x3f
#define AR934X_NFC_CMD_SEQ_1C 0x00
#define AR934X_NFC_CMD_SEQ_ERASE 0x0e
#define AR934X_NFC_CMD_SEQ_12 0x0c
#define AR934X_NFC_CMD_SEQ_1C1AXR 0x21
#define AR934X_NFC_CMD_SEQ_S 0x24
#define AR934X_NFC_CMD_SEQ_1C3AXR 0x27
#define AR934X_NFC_CMD_SEQ_1C5A1CXR 0x2a
#define AR934X_NFC_CMD_SEQ_18 0x32
#define AR934X_NFC_CMD_INPUT_SEL_SIU 0
#define AR934X_NFC_CMD_INPUT_SEL_DMA BIT(6)
#define AR934X_NFC_CMD_ADDR_SEL_0 0
#define AR934X_NFC_CMD_ADDR_SEL_1 BIT(7)
#define AR934X_NFC_CMD_CMD0_S 8
#define AR934X_NFC_CMD_CMD0_M 0xff
#define AR934X_NFC_CMD_CMD1_S 16
#define AR934X_NFC_CMD_CMD1_M 0xff
#define AR934X_NFC_CMD_CMD2_S 24
#define AR934X_NFC_CMD_CMD2_M 0xff
#define AR934X_NFC_CTRL_ADDR_CYCLE0_M 0x7
#define AR934X_NFC_CTRL_ADDR_CYCLE0_S 0
#define AR934X_NFC_CTRL_SPARE_EN BIT(3)
#define AR934X_NFC_CTRL_INT_EN BIT(4)
#define AR934X_NFC_CTRL_ECC_EN BIT(5)
#define AR934X_NFC_CTRL_BLOCK_SIZE_S 6
#define AR934X_NFC_CTRL_BLOCK_SIZE_M 0x3
#define AR934X_NFC_CTRL_BLOCK_SIZE_32 0
#define AR934X_NFC_CTRL_BLOCK_SIZE_64 1
#define AR934X_NFC_CTRL_BLOCK_SIZE_128 2
#define AR934X_NFC_CTRL_BLOCK_SIZE_256 3
#define AR934X_NFC_CTRL_PAGE_SIZE_S 8
#define AR934X_NFC_CTRL_PAGE_SIZE_M 0x7
#define AR934X_NFC_CTRL_PAGE_SIZE_256 0
#define AR934X_NFC_CTRL_PAGE_SIZE_512 1
#define AR934X_NFC_CTRL_PAGE_SIZE_1024 2
#define AR934X_NFC_CTRL_PAGE_SIZE_2048 3
#define AR934X_NFC_CTRL_PAGE_SIZE_4096 4
#define AR934X_NFC_CTRL_PAGE_SIZE_8192 5
#define AR934X_NFC_CTRL_PAGE_SIZE_16384 6
#define AR934X_NFC_CTRL_CUSTOM_SIZE_EN BIT(11)
#define AR934X_NFC_CTRL_IO_WIDTH_8BITS 0
#define AR934X_NFC_CTRL_IO_WIDTH_16BITS BIT(12)
#define AR934X_NFC_CTRL_LOOKUP_EN BIT(13)
#define AR934X_NFC_CTRL_PROT_EN BIT(14)
#define AR934X_NFC_CTRL_WORK_MODE_ASYNC 0
#define AR934X_NFC_CTRL_WORK_MODE_SYNC BIT(15)
#define AR934X_NFC_CTRL_ADDR0_AUTO_INC BIT(16)
#define AR934X_NFC_CTRL_ADDR1_AUTO_INC BIT(17)
#define AR934X_NFC_CTRL_ADDR_CYCLE1_M 0x7
#define AR934X_NFC_CTRL_ADDR_CYCLE1_S 18
#define AR934X_NFC_CTRL_SMALL_PAGE BIT(21)
#define AR934X_NFC_DMA_CTRL_DMA_START BIT(7)
#define AR934X_NFC_DMA_CTRL_DMA_DIR_WRITE 0
#define AR934X_NFC_DMA_CTRL_DMA_DIR_READ BIT(6)
#define AR934X_NFC_DMA_CTRL_DMA_MODE_SG BIT(5)
#define AR934X_NFC_DMA_CTRL_DMA_BURST_S 2
#define AR934X_NFC_DMA_CTRL_DMA_BURST_0 0
#define AR934X_NFC_DMA_CTRL_DMA_BURST_1 1
#define AR934X_NFC_DMA_CTRL_DMA_BURST_2 2
#define AR934X_NFC_DMA_CTRL_DMA_BURST_3 3
#define AR934X_NFC_DMA_CTRL_DMA_BURST_4 4
#define AR934X_NFC_DMA_CTRL_DMA_BURST_5 5
#define AR934X_NFC_DMA_CTRL_ERR_FLAG BIT(1)
#define AR934X_NFC_DMA_CTRL_DMA_READY BIT(0)
#define AR934X_NFC_INT_DEV_RDY(_x) BIT(4 + (_x))
#define AR934X_NFC_INT_CMD_END BIT(1)
#define AR934X_NFC_ECC_CTRL_ERR_THRES_S 8
#define AR934X_NFC_ECC_CTRL_ERR_THRES_M 0x1f
#define AR934X_NFC_ECC_CTRL_ECC_CAP_S 5
#define AR934X_NFC_ECC_CTRL_ECC_CAP_M 0x7
#define AR934X_NFC_ECC_CTRL_ECC_CAP_2 0
#define AR934X_NFC_ECC_CTRL_ECC_CAP_4 1
#define AR934X_NFC_ECC_CTRL_ECC_CAP_6 2
#define AR934X_NFC_ECC_CTRL_ECC_CAP_8 3
#define AR934X_NFC_ECC_CTRL_ECC_CAP_10 4
#define AR934X_NFC_ECC_CTRL_ECC_CAP_12 5
#define AR934X_NFC_ECC_CTRL_ECC_CAP_14 6
#define AR934X_NFC_ECC_CTRL_ECC_CAP_16 7
#define AR934X_NFC_ECC_CTRL_ERR_OVER BIT(2)
#define AR934X_NFC_ECC_CTRL_ERR_UNCORRECT BIT(1)
#define AR934X_NFC_ECC_CTRL_ERR_CORRECT BIT(0)
#define AR934X_NFC_ECC_OFFS_OFSET_M 0xffff
/* default timing values */
#define AR934X_NFC_TIME_SEQ_DEFAULT 0x7fff
#define AR934X_NFC_TIMINGS_ASYN_DEFAULT 0x22
#define AR934X_NFC_TIMINGS_SYN_DEFAULT 0xf
#define AR934X_NFC_ID_BUF_SIZE 8
#define AR934X_NFC_DEV_READY_TIMEOUT 25 /* msecs */
#define AR934X_NFC_DMA_READY_TIMEOUT 25 /* msecs */
#define AR934X_NFC_DONE_TIMEOUT 1000
#define AR934X_NFC_DMA_RETRIES 20
#define AR934X_NFC_IRQ_MASK AR934X_NFC_INT_DEV_RDY(0)
#define AR934X_NFC_GENSEQ_SMALL_PAGE_READ 0x30043
#endif /* __AR934X_NFCREG_H__ */
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