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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-12 18:11:33 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-12 18:11:33 -0700 |
commit | f7d02ae76ebbf5b8a9531fe150c49e126a397704 (patch) | |
tree | bcfdcab6e70658d55a3c843694e04e938bf9168f /include/asm-arm/arch-davinci/memory.h | |
parent | 78db2ad6f4df9145bfd6aab1c0f1c56d615288ec (diff) | |
parent | 158304ef09a28c7f2dd37d78f536a4e09ba084a1 (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (30 commits)
[ARM] Use new get_irqnr_preamble
[ARM] Ensure machine class menu is sorted alphabetically
[ARM] 4333/2: KS8695: Micrel Development board
[ARM] 4332/2: KS8695: Serial driver
[ARM] 4331/3: Support for Micrel/Kendin KS8695 processor
[ARM] 4371/1: AT91: Support for Atmel AT91SAM9RL-EK development board
[ARM] 4372/1: Define byte sizes in asm-arm/sizes.h
[ARM] 4370/3: AT91: Support for Atmel AT91SAM9RL processors.
[ARM] Update mach-types
[ARM] export symbol csum_partial_copy_from_user
[ARM] iop13xx: msi support
[ARM] stacktrace fix
[ARM] Spinlock initializer cleanup
[ARM] remove useless config option GENERIC_BUST_SPINLOCK
[ARM] 4303/3: base kernel support for TI DaVinci
[ARM] 4369/1: AT91: Fix circular dependency in header files
[ARM] 4368/1: S3C24xx: build fix
[ARM] 4364/1: AT91: LEDS on AT91SAM9261-EK
[ARM] Fix iop32x/iop33x build
[ARM] EBSA110: fix build errors caused by missing "const"
...
Diffstat (limited to 'include/asm-arm/arch-davinci/memory.h')
-rw-r--r-- | include/asm-arm/arch-davinci/memory.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/include/asm-arm/arch-davinci/memory.h b/include/asm-arm/arch-davinci/memory.h new file mode 100644 index 00000000000..dd1625c23cf --- /dev/null +++ b/include/asm-arm/arch-davinci/memory.h @@ -0,0 +1,64 @@ +/* + * DaVinci memory space definitions + * + * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com> + * + * 2007 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +/************************************************************************** + * Included Files + **************************************************************************/ +#include <asm/page.h> +#include <asm/sizes.h> + +/************************************************************************** + * Definitions + **************************************************************************/ +#define DAVINCI_DDR_BASE 0x80000000 +#define DAVINCI_IRAM_BASE 0x00008000 /* ARM Internal RAM */ + +#define PHYS_OFFSET DAVINCI_DDR_BASE + +/* + * Increase size of DMA-consistent memory region + */ +#define CONSISTENT_DMA_SIZE (14<<20) + +#ifndef __ASSEMBLY__ +/* + * Restrict DMA-able region to workaround silicon bug. The bug + * restricts buffers available for DMA to video hardware to be + * below 128M + */ +static inline void +__arch_adjust_zones(int node, unsigned long *size, unsigned long *holes) +{ + unsigned int sz = (128<<20) >> PAGE_SHIFT; + + if (node != 0) + sz = 0; + + size[1] = size[0] - sz; + size[0] = sz; +} + +#define arch_adjust_zones(node, zone_size, holes) \ + if ((meminfo.bank[0].size >> 20) > 128) __arch_adjust_zones(node, zone_size, holes) + +#define ISA_DMA_THRESHOLD (PHYS_OFFSET + (128<<20) - 1) + +#endif + +/* + * Bus address is physical address + */ +#define __virt_to_bus(x) __virt_to_phys(x) +#define __bus_to_virt(x) __phys_to_virt(x) + +#endif /* __ASM_ARCH_MEMORY_H */ |