From f15cbe6f1a4b4d9df59142fc8e4abb973302cf44 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Tue, 29 Jul 2008 08:09:44 +0900 Subject: sh: migrate to arch/sh/include/ This follows the sparc changes a439fe51a1f8eb087c22dd24d69cebae4a3addac. Most of the moving about was done with Sam's directions at: http://marc.info/?l=linux-sh&m=121724823706062&w=2 with subsequent hacking and fixups entirely my fault. Signed-off-by: Sam Ravnborg Signed-off-by: Paul Mundt --- arch/sh/include/cpu-sh4/cpu/dma.h | 65 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 arch/sh/include/cpu-sh4/cpu/dma.h (limited to 'arch/sh/include/cpu-sh4/cpu/dma.h') diff --git a/arch/sh/include/cpu-sh4/cpu/dma.h b/arch/sh/include/cpu-sh4/cpu/dma.h new file mode 100644 index 000000000000..235b7cd1fc9a --- /dev/null +++ b/arch/sh/include/cpu-sh4/cpu/dma.h @@ -0,0 +1,65 @@ +#ifndef __ASM_CPU_SH4_DMA_H +#define __ASM_CPU_SH4_DMA_H + +#define DMAOR_INIT ( 0x8000 | DMAOR_DME ) + +/* SH7751/7760/7780 DMA IRQ sources */ +#define DMTE0_IRQ 34 +#define DMTE1_IRQ 35 +#define DMTE2_IRQ 36 +#define DMTE3_IRQ 37 +#define DMTE4_IRQ 44 +#define DMTE5_IRQ 45 +#define DMTE6_IRQ 46 +#define DMTE7_IRQ 47 +#define DMAE_IRQ 38 + +#ifdef CONFIG_CPU_SH4A +#define SH_DMAC_BASE 0xfc808020 + +#define CHCR_TS_MASK 0x18 +#define CHCR_TS_SHIFT 3 + +#include +#else +#define SH_DMAC_BASE 0xffa00000 + +/* Definitions for the SuperH DMAC */ +#define TM_BURST 0x0000080 +#define TS_8 0x00000010 +#define TS_16 0x00000020 +#define TS_32 0x00000030 +#define TS_64 0x00000000 + +#define CHCR_TS_MASK 0x70 +#define CHCR_TS_SHIFT 4 + +#define DMAOR_COD 0x00000008 + +/* + * The SuperH DMAC supports a number of transmit sizes, we list them here, + * with their respective values as they appear in the CHCR registers. + * + * Defaults to a 64-bit transfer size. + */ +enum { + XMIT_SZ_64BIT, + XMIT_SZ_8BIT, + XMIT_SZ_16BIT, + XMIT_SZ_32BIT, + XMIT_SZ_256BIT, +}; + +/* + * The DMA count is defined as the number of bytes to transfer. + */ +static unsigned int ts_shift[] __maybe_unused = { + [XMIT_SZ_64BIT] = 3, + [XMIT_SZ_8BIT] = 0, + [XMIT_SZ_16BIT] = 1, + [XMIT_SZ_32BIT] = 2, + [XMIT_SZ_256BIT] = 5, +}; +#endif + +#endif /* __ASM_CPU_SH4_DMA_H */ -- cgit v1.2.3-59-g8ed1b