122 lines
3.5 KiB
C
122 lines
3.5 KiB
C
/*
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* nand_lib_cfg.c for SUNXI NAND .
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*
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* Copyright (C) 2016 Allwinner.
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*
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#define PHY_ONLY_TOG_AND_SDR 1
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#define PHY_WAIT_RB_BEFORE 1
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#define PHY_WAIT_RB_INTERRRUPT 1
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#define PHY_WAIT_DMA_INTERRRUPT 0
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/*****************************************************************************
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1.Single channel needs to be affixed to the same kind of flash
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2.Dual channel needs to be affixed to the same number and type of flash
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Single channel
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1.support two-plane
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2.support vertical_interleave
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3.if superpage>32k，two-plane not supported
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4.vertical_interleave chip pairing with different rb in the channel
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Dual channel
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1.support two-plane
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2.support dual_channel
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3.support vertical_interleave
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4.if superpage>32k，two-plane not supported
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5.dual_channel chip pairing with same chip number between the channel
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6.vertical_interleave chip pairing with different rb in the channel
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*****************************************************************************/
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#define PHY_SUPPORT_TWO_PLANE 1
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#define PHY_SUPPORT_VERTICAL_INTERLEAVE 1
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#define PHY_SUPPORT_DUAL_CHANNEL 1
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/*****************************************************************************
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*Name :
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*Description :
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*Parameter :
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*Return :
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*Note :
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*****************************************************************************/
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int nand_cfg_interface(void)
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{
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return PHY_ONLY_TOG_AND_SDR ? 1 : 0;
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}
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/*****************************************************************************
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*Name :
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*Description :
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*Parameter :
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*Return :
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*Note :
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*****************************************************************************/
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int nand_wait_rb_before(void)
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{
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return PHY_WAIT_RB_BEFORE ? 1 : 0;
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}
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/*****************************************************************************
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*Name :
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*Description :
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*Parameter :
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*Return :
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*Note :
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*****************************************************************************/
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int nand_wait_rb_mode(void)
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{
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return PHY_WAIT_RB_INTERRRUPT ? 1 : 0;
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}
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/*****************************************************************************
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*Name :
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*Description :
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*Parameter :
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*Return :
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*Note :
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*****************************************************************************/
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int nand_wait_dma_mode(void)
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{
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return PHY_WAIT_DMA_INTERRRUPT ? 1 : 0;
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}
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/*****************************************************************************
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*Name :
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*Description :
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*Parameter :
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*Return :
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*Note :
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*****************************************************************************/
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int nand_support_two_plane(void)
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{
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return PHY_SUPPORT_TWO_PLANE ? 1 : 0;
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}
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/*****************************************************************************
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*Name :
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*Description :
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*Parameter :
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*Return :
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*Note :
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*****************************************************************************/
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int nand_support_vertical_interleave(void)
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{
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return PHY_SUPPORT_VERTICAL_INTERLEAVE ? 1 : 0;
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}
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/*****************************************************************************
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*Name :
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*Description :
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*Parameter :
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*Return :
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*Note :
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*****************************************************************************/
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int nand_support_dual_channel(void)
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{
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return PHY_SUPPORT_DUAL_CHANNEL ? 1 : 0;
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}
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