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Diffstat (limited to 'arch/sh/include/cpu-sh4/cpu/dma-sh4a.h')
-rw-r--r--arch/sh/include/cpu-sh4/cpu/dma-sh4a.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h b/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h
new file mode 100644
index 0000000..0ed5178
--- /dev/null
+++ b/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h
@@ -0,0 +1,94 @@
+#ifndef __ASM_SH_CPU_SH4_DMA_SH7780_H
+#define __ASM_SH_CPU_SH4_DMA_SH7780_H
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7343) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7722) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7730)
+#define DMTE0_IRQ 48
+#define DMTE4_IRQ 76
+#define DMAE0_IRQ 78 /* DMA Error IRQ*/
+#define SH_DMAC_BASE0 0xFE008020
+#define SH_DMARS_BASE 0xFE009000
+#elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7764)
+#define DMTE0_IRQ 34
+#define DMTE4_IRQ 44
+#define DMAE0_IRQ 38
+#define SH_DMAC_BASE0 0xFF608020
+#define SH_DMARS_BASE 0xFF609000
+#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
+#define DMTE0_IRQ 48 /* DMAC0A*/
+#define DMTE4_IRQ 40 /* DMAC0B */
+#define DMTE6_IRQ 42
+#define DMTE8_IRQ 76 /* DMAC1A */
+#define DMTE9_IRQ 77
+#define DMTE10_IRQ 72 /* DMAC1B */
+#define DMTE11_IRQ 73
+#define DMAE0_IRQ 78 /* DMA Error IRQ*/
+#define DMAE1_IRQ 74 /* DMA Error IRQ*/
+#define SH_DMAC_BASE0 0xFE008020
+#define SH_DMAC_BASE1 0xFDC08020
+#define SH_DMARS_BASE 0xFDC09000
+#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
+#define DMTE0_IRQ 34
+#define DMTE4_IRQ 44
+#define DMTE6_IRQ 46
+#define DMTE8_IRQ 92
+#define DMTE9_IRQ 93
+#define DMTE10_IRQ 94
+#define DMTE11_IRQ 95
+#define DMAE0_IRQ 38 /* DMA Error IRQ */
+#define SH_DMAC_BASE0 0xFC808020
+#define SH_DMAC_BASE1 0xFC818020
+#define SH_DMARS_BASE 0xFC809000
+#else /* SH7785 */
+#define DMTE0_IRQ 33
+#define DMTE4_IRQ 37
+#define DMTE6_IRQ 52
+#define DMTE8_IRQ 54
+#define DMTE9_IRQ 55
+#define DMTE10_IRQ 56
+#define DMTE11_IRQ 57
+#define DMAE0_IRQ 39 /* DMA Error IRQ0 */
+#define DMAE1_IRQ 58 /* DMA Error IRQ1 */
+#define SH_DMAC_BASE0 0xFC808020
+#define SH_DMAC_BASE1 0xFCC08020
+#define SH_DMARS_BASE 0xFC809000
+#endif
+
+#define REQ_HE 0x000000C0
+#define REQ_H 0x00000080
+#define REQ_LE 0x00000040
+#define TM_BURST 0x0000020
+#define TS_8 0x00000000
+#define TS_16 0x00000008
+#define TS_32 0x00000010
+#define TS_16BLK 0x00000018
+#define TS_32BLK 0x00100000
+
+/*
+ * 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_8BIT,
+ XMIT_SZ_16BIT,
+ XMIT_SZ_32BIT,
+ XMIT_SZ_128BIT,
+ XMIT_SZ_256BIT,
+};
+
+/*
+ * The DMA count is defined as the number of bytes to transfer.
+ */
+static unsigned int ts_shift[] __maybe_unused = {
+ [XMIT_SZ_8BIT] = 0,
+ [XMIT_SZ_16BIT] = 1,
+ [XMIT_SZ_32BIT] = 2,
+ [XMIT_SZ_128BIT] = 4,
+ [XMIT_SZ_256BIT] = 5,
+};
+
+#endif /* __ASM_SH_CPU_SH4_DMA_SH7780_H */
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