This patch adds MDMA/UDMA support using BestComm for DMA on the MPC5200 platform. Based heavily on previous work by Freescale (Bernard Kuhn, John Rigby) and Domen Puncer. With this patch, a SanDisk Extreme IV CF card gets read speeds of approximately 26.70 MB/sec. Signed-off-by: Tim Yamin <plasm@roo.me.uk> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
		
			
				
	
	
		
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			30 lines
		
	
	
	
		
			787 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Header for Bestcomm ATA task driver
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 *
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 *
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 * Copyright (C) 2006 Freescale - John Rigby
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 * Copyright (C) 2006 Sylvain Munaut <tnt@246tNt.com>
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 *
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 * This file is licensed under the terms of the GNU General Public License
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 * version 2. This program is licensed "as is" without any warranty of any
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 * kind, whether express or implied.
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 */
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#ifndef __BESTCOMM_ATA_H__
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#define __BESTCOMM_ATA_H__
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struct bcom_ata_bd {
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	u32	status;
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	u32	src_pa;
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	u32	dst_pa;
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};
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extern struct bcom_task * bcom_ata_init(int queue_len, int maxbufsize);
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extern void bcom_ata_rx_prepare(struct bcom_task *tsk);
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extern void bcom_ata_tx_prepare(struct bcom_task *tsk);
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extern void bcom_ata_reset_bd(struct bcom_task *tsk);
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extern void bcom_ata_release(struct bcom_task *tsk);
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#endif /* __BESTCOMM_ATA_H__ */
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