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/*
* arch/arm/mm/mm-sa1100.c
*
* Extra MM routines for the SA1100 architecture
*
* Copyright (C) 1998-1999 Russell King
* Copyright (C) 1999 Hugo Fiennes
*
* 1999/09/12 Nicolas Pitre <nico@visuaide.com>
* Specific RAM implementation details are in
* linux/include/asm/arch-sa1100/memory.h now.
* Allows for better macro optimisations when possible.
*/
#include <linux/config.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include "map.h"
#define SIZE(x) (sizeof(x) / sizeof(x[0]))
/*
* These are the memory size mappings for the
* SA1100. Note that LART is a special case -
* it doesn't use physical address A23 on the
* DRAM, so we effectively have 4 * 8MB in
* two banks.
*/
struct mem_desc mem_desc[] __initdata = {
/* virt start virt end */
#if defined(CONFIG_SA1100_BRUTUS)
{ 0xc0000000, 0xc0400000 }, /* 4MB */
{ 0xc1000000, 0xc1400000 }, /* 4MB */
{ 0xc2000000, 0xc2400000 }, /* 4MB */
{ 0xc3000000, 0xc3400000 } /* 4MB */
#elif defined(CONFIG_SA1100_EMPEG)
{ 0xc0000000, 0xc0400000 }, /* 4MB */
{ 0xc1000000, 0xc1400000 } /* 4MB */
#elif defined(CONFIG_SA1100_LART)
{ 0xc0000000, 0xc0800000 }, /* 16MB */
{ 0xc1000000, 0xc1800000 },
{ 0xc2000000, 0xc2800000 }, /* 16MB */
{ 0xc3000000, 0xc3800000 }
#elif defined(CONFIG_SA1100_VICTOR)
{ 0xc0000000, 0xc0400000 } /* 4MB */
#elif defined(CONFIG_SA1100_TIFON)
{ 0xc0000000, 0xc1000000 }, /* 16MB */
{ 0xc1000000, 0xc2000000 } /* 16MB */
#else
#error missing memory configuration
#endif
};
unsigned int __initdata mem_desc_size = SIZE(mem_desc);
struct map_desc io_desc[] __initdata = {
/* virtual physical length domain r w c b */
#if defined(CONFIG_SA1100_VICTOR)
{ 0xd0000000, 0x00000000, 0x00200000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash */
#elif defined(CONFIG_SA1100_EMPEG)
{ EMPEG_FLASHBASE, 0x00000000, 0x00200000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash */
#elif defined(CONFIG_SA1100_TIFON)
{ 0xd0000000, 0x00000000, 0x00800000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 1 */
{ 0xd0800000, 0x08000000, 0x00800000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 2 */
#endif
#ifdef CONFIG_SA1101
{ 0xdc000000, SA1101_BASE, 0x00400000, DOMAIN_IO, 1, 1, 0, 0 }, /* SA1101 */
#endif
{ 0xe0000000, 0x20000000, 0x04000000, DOMAIN_IO, 0, 1, 0, 0 }, /* PCMCIA0 IO */
{ 0xe4000000, 0x30000000, 0x04000000, DOMAIN_IO, 0, 1, 0, 0 }, /* PCMCIA1 IO */
{ 0xe8000000, 0x28000000, 0x04000000, DOMAIN_IO, 0, 1, 0, 0 }, /* PCMCIA0 attr */
{ 0xec000000, 0x38000000, 0x04000000, DOMAIN_IO, 0, 1, 0, 0 }, /* PCMCIA1 attr */
{ 0xf0000000, 0x2c000000, 0x04000000, DOMAIN_IO, 0, 1, 0, 0 }, /* PCMCIA0 mem */
{ 0xf4000000, 0x3c000000, 0x04000000, DOMAIN_IO, 0, 1, 0, 0 }, /* PCMCIA1 mem */
{ 0xf8000000, 0x80000000, 0x02000000, DOMAIN_IO, 0, 1, 0, 0 }, /* PCM */
{ 0xfa000000, 0x90000000, 0x02000000, DOMAIN_IO, 0, 1, 0, 0 }, /* SCM */
{ 0xfc000000, 0xa0000000, 0x02000000, DOMAIN_IO, 0, 1, 0, 0 }, /* MER */
{ 0xfe000000, 0xb0000000, 0x02000000, DOMAIN_IO, 0, 1, 0, 0 } /* LCD + DMA */
};
unsigned int __initdata io_desc_size = SIZE(io_desc);
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