mirror of
https://github.com/AsahiLinux/u-boot
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253 lines
5.1 KiB
C
253 lines
5.1 KiB
C
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/*
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* Copyright (C) 2014 Free Electrons
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*
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* Author: Boris BREZILLON <boris.brezillon@free-electrons.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <common.h>
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#include <linux/kernel.h>
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#include <linux/mtd/nand.h>
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static const struct nand_sdr_timings onfi_sdr_timings[] = {
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/* Mode 0 */
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{
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.tADL_min = 200000,
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.tALH_min = 20000,
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.tALS_min = 50000,
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.tAR_min = 25000,
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.tCEA_max = 100000,
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.tCEH_min = 20000,
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.tCH_min = 20000,
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.tCHZ_max = 100000,
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.tCLH_min = 20000,
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.tCLR_min = 20000,
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.tCLS_min = 50000,
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.tCOH_min = 0,
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.tCS_min = 70000,
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.tDH_min = 20000,
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.tDS_min = 40000,
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.tFEAT_max = 1000000,
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.tIR_min = 10000,
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.tITC_max = 1000000,
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.tRC_min = 100000,
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.tREA_max = 40000,
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.tREH_min = 30000,
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.tRHOH_min = 0,
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.tRHW_min = 200000,
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.tRHZ_max = 200000,
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.tRLOH_min = 0,
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.tRP_min = 50000,
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.tRST_max = 250000000000ULL,
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.tWB_max = 200000,
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.tRR_min = 40000,
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.tWC_min = 100000,
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.tWH_min = 30000,
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.tWHR_min = 120000,
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.tWP_min = 50000,
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.tWW_min = 100000,
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},
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/* Mode 1 */
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{
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.tADL_min = 100000,
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.tALH_min = 10000,
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.tALS_min = 25000,
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.tAR_min = 10000,
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.tCEA_max = 45000,
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.tCEH_min = 20000,
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.tCH_min = 10000,
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.tCHZ_max = 50000,
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.tCLH_min = 10000,
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.tCLR_min = 10000,
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.tCLS_min = 25000,
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.tCOH_min = 15000,
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.tCS_min = 35000,
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.tDH_min = 10000,
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.tDS_min = 20000,
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.tFEAT_max = 1000000,
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.tIR_min = 0,
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.tITC_max = 1000000,
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.tRC_min = 50000,
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.tREA_max = 30000,
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.tREH_min = 15000,
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.tRHOH_min = 15000,
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.tRHW_min = 100000,
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.tRHZ_max = 100000,
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.tRLOH_min = 0,
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.tRP_min = 25000,
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.tRR_min = 20000,
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.tRST_max = 500000000,
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.tWB_max = 100000,
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.tWC_min = 45000,
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.tWH_min = 15000,
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.tWHR_min = 80000,
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.tWP_min = 25000,
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.tWW_min = 100000,
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},
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/* Mode 2 */
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{
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.tADL_min = 100000,
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.tALH_min = 10000,
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.tALS_min = 15000,
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.tAR_min = 10000,
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.tCEA_max = 30000,
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.tCEH_min = 20000,
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.tCH_min = 10000,
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.tCHZ_max = 50000,
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.tCLH_min = 10000,
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.tCLR_min = 10000,
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.tCLS_min = 15000,
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.tCOH_min = 15000,
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.tCS_min = 25000,
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.tDH_min = 5000,
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.tDS_min = 15000,
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.tFEAT_max = 1000000,
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.tIR_min = 0,
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.tITC_max = 1000000,
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.tRC_min = 35000,
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.tREA_max = 25000,
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.tREH_min = 15000,
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.tRHOH_min = 15000,
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.tRHW_min = 100000,
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.tRHZ_max = 100000,
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.tRLOH_min = 0,
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.tRR_min = 20000,
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.tRST_max = 500000000,
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.tWB_max = 100000,
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.tRP_min = 17000,
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.tWC_min = 35000,
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.tWH_min = 15000,
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.tWHR_min = 80000,
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.tWP_min = 17000,
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.tWW_min = 100000,
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},
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/* Mode 3 */
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{
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.tADL_min = 100000,
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.tALH_min = 5000,
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.tALS_min = 10000,
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.tAR_min = 10000,
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.tCEA_max = 25000,
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.tCEH_min = 20000,
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.tCH_min = 5000,
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.tCHZ_max = 50000,
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.tCLH_min = 5000,
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.tCLR_min = 10000,
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.tCLS_min = 10000,
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.tCOH_min = 15000,
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.tCS_min = 25000,
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.tDH_min = 5000,
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.tDS_min = 10000,
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.tFEAT_max = 1000000,
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.tIR_min = 0,
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.tITC_max = 1000000,
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.tRC_min = 30000,
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.tREA_max = 20000,
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.tREH_min = 10000,
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.tRHOH_min = 15000,
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.tRHW_min = 100000,
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.tRHZ_max = 100000,
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.tRLOH_min = 0,
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.tRP_min = 15000,
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.tRR_min = 20000,
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.tRST_max = 500000000,
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.tWB_max = 100000,
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.tWC_min = 30000,
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.tWH_min = 10000,
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.tWHR_min = 80000,
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.tWP_min = 15000,
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.tWW_min = 100000,
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},
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/* Mode 4 */
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{
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.tADL_min = 70000,
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.tALH_min = 5000,
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.tALS_min = 10000,
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.tAR_min = 10000,
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.tCEA_max = 25000,
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.tCEH_min = 20000,
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.tCH_min = 5000,
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.tCHZ_max = 30000,
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.tCLH_min = 5000,
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.tCLR_min = 10000,
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.tCLS_min = 10000,
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.tCOH_min = 15000,
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.tCS_min = 20000,
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.tDH_min = 5000,
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.tDS_min = 10000,
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.tFEAT_max = 1000000,
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.tIR_min = 0,
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.tITC_max = 1000000,
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.tRC_min = 25000,
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.tREA_max = 20000,
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.tREH_min = 10000,
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.tRHOH_min = 15000,
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.tRHW_min = 100000,
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.tRHZ_max = 100000,
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.tRLOH_min = 5000,
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.tRP_min = 12000,
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.tRR_min = 20000,
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.tRST_max = 500000000,
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.tWB_max = 100000,
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.tWC_min = 25000,
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.tWH_min = 10000,
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.tWHR_min = 80000,
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.tWP_min = 12000,
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.tWW_min = 100000,
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},
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/* Mode 5 */
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{
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.tADL_min = 70000,
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.tALH_min = 5000,
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.tALS_min = 10000,
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.tAR_min = 10000,
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.tCEA_max = 25000,
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.tCEH_min = 20000,
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.tCH_min = 5000,
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.tCHZ_max = 30000,
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.tCLH_min = 5000,
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.tCLR_min = 10000,
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.tCLS_min = 10000,
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.tCOH_min = 15000,
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.tCS_min = 15000,
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.tDH_min = 5000,
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.tDS_min = 7000,
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.tFEAT_max = 1000000,
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.tIR_min = 0,
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.tITC_max = 1000000,
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.tRC_min = 20000,
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.tREA_max = 16000,
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.tREH_min = 7000,
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.tRHOH_min = 15000,
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.tRHW_min = 100000,
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.tRHZ_max = 100000,
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.tRLOH_min = 5000,
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.tRP_min = 10000,
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.tRR_min = 20000,
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.tRST_max = 500000000,
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.tWB_max = 100000,
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.tWC_min = 20000,
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.tWH_min = 7000,
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.tWHR_min = 80000,
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.tWP_min = 10000,
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.tWW_min = 100000,
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},
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};
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/**
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* onfi_async_timing_mode_to_sdr_timings - [NAND Interface] Retrieve NAND
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* timings according to the given ONFI timing mode
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* @mode: ONFI timing mode
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*/
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const struct nand_sdr_timings *onfi_async_timing_mode_to_sdr_timings(int mode)
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{
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if (mode < 0 || mode >= ARRAY_SIZE(onfi_sdr_timings))
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return ERR_PTR(-EINVAL);
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return &onfi_sdr_timings[mode];
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}
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EXPORT_SYMBOL(onfi_async_timing_mode_to_sdr_timings);
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