aboutsummaryrefslogtreecommitdiff
path: root/include/asm-arm/arch-lh7a40x/dma.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-lh7a40x/dma.h')
-rw-r--r--include/asm-arm/arch-lh7a40x/dma.h79
1 files changed, 78 insertions, 1 deletions
diff --git a/include/asm-arm/arch-lh7a40x/dma.h b/include/asm-arm/arch-lh7a40x/dma.h
index 15492e3253f..a8cbd14bbf9 100644
--- a/include/asm-arm/arch-lh7a40x/dma.h
+++ b/include/asm-arm/arch-lh7a40x/dma.h
@@ -1,9 +1,86 @@
/* include/asm-arm/arch-lh7a40x/dma.h
*
- * Copyright (C) 2003 Coastal Environmental Systems
+ * Copyright (C) 2005 Marc Singer
*
* 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.
*
*/
+
+typedef enum {
+ DMA_M2M0 = 0,
+ DMA_M2M1 = 1,
+ DMA_M2P0 = 2, /* Tx */
+ DMA_M2P1 = 3, /* Rx */
+ DMA_M2P2 = 4, /* Tx */
+ DMA_M2P3 = 5, /* Rx */
+ DMA_M2P4 = 6, /* Tx - AC97 */
+ DMA_M2P5 = 7, /* Rx - AC97 */
+ DMA_M2P6 = 8, /* Tx */
+ DMA_M2P7 = 9, /* Rx */
+} dma_device_t;
+
+#define DMA_LENGTH_MAX ((64*1024) - 4) /* bytes */
+
+#define DMAC_GCA __REG(DMAC_PHYS + 0x2b80)
+#define DMAC_GIR __REG(DMAC_PHYS + 0x2bc0)
+
+#define DMAC_GIR_MMI1 (1<<11)
+#define DMAC_GIR_MMI0 (1<<10)
+#define DMAC_GIR_MPI8 (1<<9)
+#define DMAC_GIR_MPI9 (1<<8)
+#define DMAC_GIR_MPI6 (1<<7)
+#define DMAC_GIR_MPI7 (1<<6)
+#define DMAC_GIR_MPI4 (1<<5)
+#define DMAC_GIR_MPI5 (1<<4)
+#define DMAC_GIR_MPI2 (1<<3)
+#define DMAC_GIR_MPI3 (1<<2)
+#define DMAC_GIR_MPI0 (1<<1)
+#define DMAC_GIR_MPI1 (1<<0)
+
+#define DMAC_M2P0 0x0000
+#define DMAC_M2P1 0x0040
+#define DMAC_M2P2 0x0080
+#define DMAC_M2P3 0x00c0
+#define DMAC_M2P4 0x0240
+#define DMAC_M2P5 0x0200
+#define DMAC_M2P6 0x02c0
+#define DMAC_M2P7 0x0280
+#define DMAC_M2P8 0x0340
+#define DMAC_M2P9 0x0300
+#define DMAC_M2M0 0x0100
+#define DMAC_M2M1 0x0140
+
+#define DMAC_P_PCONTROL(c) __REG(DMAC_PHYS + (c) + 0x00)
+#define DMAC_P_PINTERRUPT(c) __REG(DMAC_PHYS + (c) + 0x04)
+#define DMAC_P_PPALLOC(c) __REG(DMAC_PHYS + (c) + 0x08)
+#define DMAC_P_PSTATUS(c) __REG(DMAC_PHYS + (c) + 0x0c)
+#define DMAC_P_REMAIN(c) __REG(DMAC_PHYS + (c) + 0x14)
+#define DMAC_P_MAXCNT0(c) __REG(DMAC_PHYS + (c) + 0x20)
+#define DMAC_P_BASE0(c) __REG(DMAC_PHYS + (c) + 0x24)
+#define DMAC_P_CURRENT0(c) __REG(DMAC_PHYS + (c) + 0x28)
+#define DMAC_P_MAXCNT1(c) __REG(DMAC_PHYS + (c) + 0x30)
+#define DMAC_P_BASE1(c) __REG(DMAC_PHYS + (c) + 0x34)
+#define DMAC_P_CURRENT1(c) __REG(DMAC_PHYS + (c) + 0x38)
+
+#define DMAC_PCONTROL_ENABLE (1<<4)
+
+#define DMAC_PORT_USB 0
+#define DMAC_PORT_SDMMC 1
+#define DMAC_PORT_AC97_1 2
+#define DMAC_PORT_AC97_2 3
+#define DMAC_PORT_AC97_3 4
+#define DMAC_PORT_UART1 6
+#define DMAC_PORT_UART2 7
+#define DMAC_PORT_UART3 8
+
+#define DMAC_PSTATUS_CURRSTATE_SHIFT 4
+#define DMAC_PSTATUS_CURRSTATE_MASK 0x3
+
+#define DMAC_PSTATUS_NEXTBUF (1<<6)
+#define DMAC_PSTATUS_STALLRINT (1<<0)
+
+#define DMAC_INT_CHE (1<<3)
+#define DMAC_INT_NFB (1<<1)
+#define DMAC_INT_STALL (1<<0)