Add DMA support for MPC83xx.
diff --git a/include/asm-ppc/immap_83xx.h b/include/asm-ppc/immap_83xx.h
index 2b2693c..b0e17ab 100644
--- a/include/asm-ppc/immap_83xx.h
+++ b/include/asm-ppc/immap_83xx.h
@@ -847,10 +847,95 @@
u8 res1[0xD8];
} spi8349_t;
+
+/*
+ * DMA/Messaging Unit
+ */
typedef struct dma8349 {
- u8 fixme[0x300];
+ u32 res0[0xC]; /* 0x0-0x29 reseverd */
+ u32 omisr; /* 0x30 Outbound message interrupt status register */
+ u32 omimr; /* 0x34 Outbound message interrupt mask register */
+ u32 res1[0x6]; /* 0x38-0x49 reserved */
+
+ u32 imr0; /* 0x50 Inbound message register 0 */
+ u32 imr1; /* 0x54 Inbound message register 1 */
+ u32 omr0; /* 0x58 Outbound message register 0 */
+ u32 omr1; /* 0x5C Outbound message register 1 */
+
+ u32 odr; /* 0x60 Outbound doorbell register */
+ u32 res2; /* 0x64-0x67 reserved */
+ u32 idr; /* 0x68 Inbound doorbell register */
+ u32 res3[0x5]; /* 0x6C-0x79 reserved */
+
+ u32 imisr; /* 0x80 Inbound message interrupt status register */
+ u32 imimr; /* 0x84 Inbound message interrupt mask register */
+ u32 res4[0x1E]; /* 0x88-0x99 reserved */
+
+ u32 dmamr0; /* 0x100 DMA 0 mode register */
+ u32 dmasr0; /* 0x104 DMA 0 status register */
+ u32 dmacdar0; /* 0x108 DMA 0 current descriptor address register */
+ u32 res5; /* 0x10C reserved */
+ u32 dmasar0; /* 0x110 DMA 0 source address register */
+ u32 res6; /* 0x114 reserved */
+ u32 dmadar0; /* 0x118 DMA 0 destination address register */
+ u32 res7; /* 0x11C reserved */
+ u32 dmabcr0; /* 0x120 DMA 0 byte count register */
+ u32 dmandar0; /* 0x124 DMA 0 next descriptor address register */
+ u32 res8[0x16]; /* 0x128-0x179 reserved */
+
+ u32 dmamr1; /* 0x180 DMA 1 mode register */
+ u32 dmasr1; /* 0x184 DMA 1 status register */
+ u32 dmacdar1; /* 0x188 DMA 1 current descriptor address register */
+ u32 res9; /* 0x18C reserved */
+ u32 dmasar1; /* 0x190 DMA 1 source address register */
+ u32 res10; /* 0x194 reserved */
+ u32 dmadar1; /* 0x198 DMA 1 destination address register */
+ u32 res11; /* 0x19C reserved */
+ u32 dmabcr1; /* 0x1A0 DMA 1 byte count register */
+ u32 dmandar1; /* 0x1A4 DMA 1 next descriptor address register */
+ u32 res12[0x16];/* 0x1A8-0x199 reserved */
+
+ u32 dmamr2; /* 0x200 DMA 2 mode register */
+ u32 dmasr2; /* 0x204 DMA 2 status register */
+ u32 dmacdar2; /* 0x208 DMA 2 current descriptor address register */
+ u32 res13; /* 0x20C reserved */
+ u32 dmasar2; /* 0x210 DMA 2 source address register */
+ u32 res14; /* 0x214 reserved */
+ u32 dmadar2; /* 0x218 DMA 2 destination address register */
+ u32 res15; /* 0x21C reserved */
+ u32 dmabcr2; /* 0x220 DMA 2 byte count register */
+ u32 dmandar2; /* 0x224 DMA 2 next descriptor address register */
+ u32 res16[0x16];/* 0x228-0x279 reserved */
+
+ u32 dmamr3; /* 0x280 DMA 3 mode register */
+ u32 dmasr3; /* 0x284 DMA 3 status register */
+ u32 dmacdar3; /* 0x288 DMA 3 current descriptor address register */
+ u32 res17; /* 0x28C reserved */
+ u32 dmasar3; /* 0x290 DMA 3 source address register */
+ u32 res18; /* 0x294 reserved */
+ u32 dmadar3; /* 0x298 DMA 3 destination address register */
+ u32 res19; /* 0x29C reserved */
+ u32 dmabcr3; /* 0x2A0 DMA 3 byte count register */
+ u32 dmandar3; /* 0x2A4 DMA 3 next descriptor address register */
+
+ u32 dmagsr; /* 0x2A8 DMA general status register */
+ u32 res20[0x15];/* 0x2AC-0x2FF reserved */
} dma8349_t;
+/* DMAMRn bits */
+#define DMA_CHANNEL_START (0x00000001) /* Bit - DMAMRn CS */
+#define DMA_CHANNEL_TRANSFER_MODE_DIRECT (0x00000004) /* Bit - DMAMRn CTM */
+#define DMA_CHANNEL_SOURCE_ADRESSS_HOLD_EN (0x00001000) /* Bit - DMAMRn SAHE */
+#define DMA_CHANNEL_SOURCE_ADDRESS_HOLD_1B (0x00000000) /* 2Bit- DMAMRn SAHTS 1byte */
+#define DMA_CHANNEL_SOURCE_ADDRESS_HOLD_2B (0x00004000) /* 2Bit- DMAMRn SAHTS 2bytes */
+#define DMA_CHANNEL_SOURCE_ADDRESS_HOLD_4B (0x00008000) /* 2Bit- DMAMRn SAHTS 4bytes */
+#define DMA_CHANNEL_SOURCE_ADDRESS_HOLD_8B (0x0000c000) /* 2Bit- DMAMRn SAHTS 8bytes */
+#define DMA_CHANNEL_SNOOP (0x00010000) /* Bit - DMAMRn DMSEN */
+
+/* DMASRn bits */
+#define DMA_CHANNEL_BUSY (0x00000004) /* Bit - DMASRn CB */
+#define DMA_CHANNEL_TRANSFER_ERROR (0x00000080) /* Bit - DMASRn TE */
+
/*
* PCI Software Configuration Registers
*/