diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-07 15:47:19 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-07 15:47:19 -0800 |
| commit | 4a31c08d2fecc74a630653828f5388fbb037f8c2 (patch) | |
| tree | c3baf80157bab2cf6bdf3d26772001e43233aad6 /arch/sh/include/cpu-sh3/cpu | |
| parent | 2ddb3b15f1b46836c61cfac5b00d8f08a24236e6 (diff) | |
| parent | 0272282f7cffb469cd2676dcb6e58bc942fcf8a8 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (26 commits)
sh: Convert sh to use read/update_persistent_clock
sh: Move PMB debugfs entry initialization to later stage
sh: Fix up flush_cache_vmap() on SMP.
sh: fix up MMU reset with variable PMB mapping sizes.
sh: establish PMB mappings for NUMA nodes.
sh: check for existing mappings for bolted PMB entries.
sh: fixed virt/phys mapping helpers for PMB.
sh: make pmb iomapping configurable.
sh: reworked dynamic PMB mapping.
sh: Fix up cpumask_of_pcibus() for the NUMA build.
serial: sh-sci: Tidy up build warnings.
sh: Fix up ctrl_read/write stragglers in migor setup.
serial: sh-sci: Add DMA support.
dmaengine: shdma: extend .device_terminate_all() to record partial transfer
sh: merge sh7722 and sh7724 DMA register definitions
sh: activate runtime PM for dmaengine on sh7722 and sh7724
dmaengine: shdma: add runtime PM support.
dmaengine: shdma: separate DMA headers.
dmaengine: shdma: convert to platform device resources
dmaengine: shdma: fix DMA error handling.
...
Diffstat (limited to 'arch/sh/include/cpu-sh3/cpu')
| -rw-r--r-- | arch/sh/include/cpu-sh3/cpu/dma-register.h | 41 | ||||
| -rw-r--r-- | arch/sh/include/cpu-sh3/cpu/dma.h | 27 |
2 files changed, 41 insertions, 27 deletions
diff --git a/arch/sh/include/cpu-sh3/cpu/dma-register.h b/arch/sh/include/cpu-sh3/cpu/dma-register.h new file mode 100644 index 00000000000..2349e488c9a --- /dev/null +++ b/arch/sh/include/cpu-sh3/cpu/dma-register.h @@ -0,0 +1,41 @@ +/* + * SH3 CPU-specific DMA definitions, used by both DMA drivers + * + * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef CPU_DMA_REGISTER_H +#define CPU_DMA_REGISTER_H + +#define CHCR_TS_LOW_MASK 0x18 +#define CHCR_TS_LOW_SHIFT 3 +#define CHCR_TS_HIGH_MASK 0 +#define CHCR_TS_HIGH_SHIFT 0 + +#define DMAOR_INIT DMAOR_DME + +/* + * The SuperH DMAC supports a number of transmit sizes, we list them here, + * with their respective values as they appear in the CHCR registers. + */ +enum { + XMIT_SZ_8BIT, + XMIT_SZ_16BIT, + XMIT_SZ_32BIT, + XMIT_SZ_128BIT, +}; + +/* log2(size / 8) - used to calculate number of transfers */ +#define TS_SHIFT { \ + [XMIT_SZ_8BIT] = 0, \ + [XMIT_SZ_16BIT] = 1, \ + [XMIT_SZ_32BIT] = 2, \ + [XMIT_SZ_128BIT] = 4, \ +} + +#define TS_INDEX2VAL(i) (((i) & 3) << CHCR_TS_LOW_SHIFT) + +#endif diff --git a/arch/sh/include/cpu-sh3/cpu/dma.h b/arch/sh/include/cpu-sh3/cpu/dma.h index 207811a7a65..24e28b91c9d 100644 --- a/arch/sh/include/cpu-sh3/cpu/dma.h +++ b/arch/sh/include/cpu-sh3/cpu/dma.h @@ -20,31 +20,4 @@ #define TS_32 0x00000010 #define TS_128 0x00000018 -#define CHCR_TS_LOW_MASK 0x18 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 - -#define DMAOR_INIT DMAOR_DME - -/* - * The SuperH DMAC supports a number of transmit sizes, we list them here, - * with their respective values as they appear in the CHCR registers. - */ -enum { - XMIT_SZ_8BIT, - XMIT_SZ_16BIT, - XMIT_SZ_32BIT, - XMIT_SZ_128BIT, -}; - -#define TS_SHIFT { \ - [XMIT_SZ_8BIT] = 0, \ - [XMIT_SZ_16BIT] = 1, \ - [XMIT_SZ_32BIT] = 2, \ - [XMIT_SZ_128BIT] = 4, \ -} - -#define TS_INDEX2VAL(i) (((i) & 3) << CHCR_TS_LOW_SHIFT) - #endif /* __ASM_CPU_SH3_DMA_H */ |