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 <sam@ravnborg.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 65 insertions, 0 deletions

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 00000000000..235b7cd1fc9
--- /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 <cpu/dma-sh7780.h>
+#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 */