diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h index 75154b1931173adc897597c228e21972594583d8..6a4d44a5b45809ba3dfe39ae9feabdb6237bff8d 100644 --- a/arch/arm/include/asm/dma.h +++ b/arch/arm/include/asm/dma.h @@ -4,6 +4,7 @@ typedef unsigned int dmach_t; #include +#include #include #include #include diff --git a/arch/arm/mach-davinci/include/mach/dma.h b/arch/arm/mach-davinci/include/mach/dma.h index 8e2f2d0ba667430f84ba6a9977c4985419177f96..cdf6ec9d46f3713cd6aa0e090555c836de001863 100644 --- a/arch/arm/mach-davinci/include/mach/dma.h +++ b/arch/arm/mach-davinci/include/mach/dma.h @@ -8,9 +8,3 @@ * is licensed "as is" without any warranty of any kind, whether express * or implied. */ -#ifndef __ASM_ARCH_DMA_H -#define __ASM_ARCH_DMA_H - -#define MAX_DMA_ADDRESS 0xffffffff - -#endif /* __ASM_ARCH_DMA_H */ diff --git a/arch/arm/mach-h720x/include/mach/dma.h b/arch/arm/mach-h720x/include/mach/dma.h index 0a9d86ee84fe6cebcf5c189cee09b1179ac98a2f..2d7c77a9792a46c5d16a376ad2e1db6adba70cf8 100644 --- a/arch/arm/mach-h720x/include/mach/dma.h +++ b/arch/arm/mach-h720x/include/mach/dma.h @@ -8,13 +8,6 @@ #ifndef __ASM_ARCH_DMA_H #define __ASM_ARCH_DMA_H -/* - * This is the maximum DMA address that can be DMAd to. - * There should not be more than (0xd0000000 - 0xc0000000) - * bytes of RAM. - */ -#define MAX_DMA_ADDRESS 0xd0000000 - #if defined (CONFIG_CPU_H7201) #define MAX_DMA_CHANNELS 3 #elif defined (CONFIG_CPU_H7202) diff --git a/arch/arm/mach-h720x/include/mach/memory.h b/arch/arm/mach-h720x/include/mach/memory.h index 83a2fa090e888b46fb837f6c178e6abeb2154943..8cfb665e04b1c82bf058f5a13e301c67318dfdd6 100644 --- a/arch/arm/mach-h720x/include/mach/memory.h +++ b/arch/arm/mach-h720x/include/mach/memory.h @@ -8,5 +8,14 @@ #define __ASM_ARCH_MEMORY_H #define PHYS_OFFSET UL(0x40000000) +/* + * This is the maximum DMA address that can be DMAd to. + * There should not be more than (0xd0000000 - 0xc0000000) + * bytes of RAM. + * + * If you set this, you must also set ISA_DMA_THRESHOLD and setup a DMA + * zone if this does not cover all possible RAM. + */ +#define MAX_DMA_ADDRESS 0xd0000000 #endif diff --git a/arch/arm/mach-ixp4xx/include/mach/dma.h b/arch/arm/mach-ixp4xx/include/mach/dma.h index 65944f252664a008a32884a2d6bff39224affa14..5b7e1a98e9872e3fe2391ffa6849ddc82054910b 100644 --- a/arch/arm/mach-ixp4xx/include/mach/dma.h +++ b/arch/arm/mach-ixp4xx/include/mach/dma.h @@ -8,12 +8,3 @@ * published by the Free Software Foundation. * */ -#ifndef __ASM_ARCH_DMA_H -#define __ASM_ARCH_DMA_H - -#include -#include - -#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_64M) - -#endif /* _ASM_ARCH_DMA_H */ diff --git a/arch/arm/mach-ixp4xx/include/mach/memory.h b/arch/arm/mach-ixp4xx/include/mach/memory.h index 2e481db0ca58359eb4aba0319f2a3fb536ef5209..98f5e5e2098001398d45930d2fb5d33b3452f0ea 100644 --- a/arch/arm/mach-ixp4xx/include/mach/memory.h +++ b/arch/arm/mach-ixp4xx/include/mach/memory.h @@ -22,6 +22,7 @@ void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes); ixp4xx_adjust_zones(node, size, holes) #define ISA_DMA_THRESHOLD (SZ_64M - 1) +#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_64M) #endif diff --git a/arch/arm/mach-l7200/include/mach/dma.h b/arch/arm/mach-l7200/include/mach/dma.h index c7e48bd4590cbe099033e93ba87259958f5c146c..07731f2cccfb149d1f19e10eb654601f8d905a4d 100644 --- a/arch/arm/mach-l7200/include/mach/dma.h +++ b/arch/arm/mach-l7200/include/mach/dma.h @@ -11,13 +11,6 @@ /* DMA is not yet implemented! It should be the same as acorn, copy over.. */ -/* - * This is the maximum DMA address that can be DMAd to. - * There should not be more than (0xd0000000 - 0xc0000000) - * bytes of RAM. - */ -#define MAX_DMA_ADDRESS 0xd0000000 - #define DMA_S0 0 #endif /* _ASM_ARCH_DMA_H */ diff --git a/arch/arm/mach-netx/include/mach/dma.h b/arch/arm/mach-netx/include/mach/dma.h index 690b3ebc43acdcf460127c3c56437a8cef019f74..c0ac3d98a7bdca0e297a1bf33442743fd3d6e51e 100644 --- a/arch/arm/mach-netx/include/mach/dma.h +++ b/arch/arm/mach-netx/include/mach/dma.h @@ -18,4 +18,3 @@ */ #define MAX_DMA_CHANNELS 0 -#define MAX_DMA_ADDRESS ~0 diff --git a/arch/arm/mach-pnx4008/include/mach/dma.h b/arch/arm/mach-pnx4008/include/mach/dma.h index 5442d04fc57536188103dbb1a98a707bbc9d8ca2..f094bf8bfb1819c96ecd43349091bc3fda182433 100644 --- a/arch/arm/mach-pnx4008/include/mach/dma.h +++ b/arch/arm/mach-pnx4008/include/mach/dma.h @@ -16,8 +16,6 @@ #include "platform.h" -#define MAX_DMA_ADDRESS 0xffffffff - #define MAX_DMA_CHANNELS 8 #define DMAC_BASE IO_ADDRESS(PNX4008_DMA_CONFIG_BASE) diff --git a/arch/arm/mach-rpc/include/mach/dma.h b/arch/arm/mach-rpc/include/mach/dma.h index 360b56f8f29f10b87cd7183ba7ce7199acca0ca1..f0f8c9fb26bf9ee7660ccb1da0d9a817962cdc7f 100644 --- a/arch/arm/mach-rpc/include/mach/dma.h +++ b/arch/arm/mach-rpc/include/mach/dma.h @@ -10,12 +10,6 @@ #ifndef __ASM_ARCH_DMA_H #define __ASM_ARCH_DMA_H -/* - * This is the maximum DMA address that can be DMAd to. - * There should not be more than (0xd0000000 - 0xc0000000) - * bytes of RAM. - */ -#define MAX_DMA_ADDRESS 0xd0000000 #define MAX_DMA_CHANNELS 8 #define DMA_0 0 diff --git a/arch/arm/mach-s3c2410/include/mach/dma.h b/arch/arm/mach-s3c2410/include/mach/dma.h index 891b53cd69b86a6a3e543fd3f3a7a34a53471bc6..7cbea7b82b57c15cfdde271427690e7f6b91aab9 100644 --- a/arch/arm/mach-s3c2410/include/mach/dma.h +++ b/arch/arm/mach-s3c2410/include/mach/dma.h @@ -16,11 +16,6 @@ #include #include -/* - * This is the maximum DMA address(physical address) that can be DMAd to. - * - */ -#define MAX_DMA_ADDRESS 0x40000000 #define MAX_DMA_TRANSFER_SIZE 0x100000 /* Data Unit is half word */ /* We use `virtual` dma channels to hide the fact we have only a limited diff --git a/arch/arm/mach-s3c2410/include/mach/memory.h b/arch/arm/mach-s3c2410/include/mach/memory.h index 6f1e5871ae4be02a8cfe130e3dd42cc4b7a26f91..2246966bbbe4e201a649ce4cb7e54c66b0e5e6ff 100644 --- a/arch/arm/mach-s3c2410/include/mach/memory.h +++ b/arch/arm/mach-s3c2410/include/mach/memory.h @@ -13,4 +13,12 @@ #define PHYS_OFFSET UL(0x30000000) +/* + * This is the maximum DMA address(physical address) that can be DMAd to. + * Err, no, this is a virtual address. And you must set ISA_DMA_THRESHOLD + * and setup a DMA zone if this restricts the amount of RAM which is + * capable of DMA. + */ +#define MAX_DMA_ADDRESS 0x40000000 + #endif diff --git a/arch/arm/mach-shark/include/mach/dma.h b/arch/arm/mach-shark/include/mach/dma.h index c0a29bd2a74fba1fcb26cf182bb68978fd33855c..dfe1da0e5acaf13b2e8e82d3e77eb0e112821a23 100644 --- a/arch/arm/mach-shark/include/mach/dma.h +++ b/arch/arm/mach-shark/include/mach/dma.h @@ -10,7 +10,6 @@ * The rest is not DMAable. See dev / .properties * in OpenFirmware. */ -#define MAX_DMA_ADDRESS 0xC0400000 #define MAX_DMA_CHANNELS 8 #define DMA_ISA_CASCADE 4 diff --git a/arch/arm/mach-shark/include/mach/memory.h b/arch/arm/mach-shark/include/mach/memory.h index d00c05eabd52fc476e3e493d945db27585710207..b497a5868b0654f7fdd4bb44267ddab2485ba381 100644 --- a/arch/arm/mach-shark/include/mach/memory.h +++ b/arch/arm/mach-shark/include/mach/memory.h @@ -33,6 +33,7 @@ static inline void __arch_adjust_zones(int node, unsigned long *zone_size, unsig __arch_adjust_zones(node, size, holes) #define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_4M - 1) +#define MAX_DMA_ADDRESS 0xC0400000 #endif