diff options
| author | Marek Vasut <marek.vasut@gmail.com> | 2010-05-21 03:12:44 +0200 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2010-06-18 15:07:32 +0800 |
| commit | 2dc6c6f15da97cb3e810963c80e981f19d42cd7d (patch) | |
| tree | 0d2bcf444afbfad7c434ea9fd60b2c9053a8edba /arch | |
| parent | 406c86f11f0b62d640c5aa47a56faf81c4cf8540 (diff) | |
[ARM] pata_pxa: DMA-capable PATA driver
This patch adds a driver for a harddrive attached to PXA address and data bus.
Unlike pata_platform, this driver allows usage of PXA DMA controller, making the
transmission speed 3x higher.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/pata_pxa.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/include/mach/pata_pxa.h b/arch/arm/mach-pxa/include/mach/pata_pxa.h new file mode 100644 index 000000000000..6cf7df1d5830 --- /dev/null +++ b/arch/arm/mach-pxa/include/mach/pata_pxa.h @@ -0,0 +1,33 @@ +/* + * Generic PXA PATA driver + * + * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __MACH_PATA_PXA_H__ +#define __MACH_PATA_PXA_H__ + +struct pata_pxa_pdata { + /* PXA DMA DREQ<0:2> pin */ + uint32_t dma_dreq; + /* Register shift */ + uint32_t reg_shift; + /* IRQ flags */ + uint32_t irq_flags; +}; + +#endif /* __MACH_PATA_PXA_H__ */ |