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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
*
* 1999/12/04 Nicolas Pitre <nico@cam.org>
* Converted memory definition for struct meminfo initialisations.
* Memory is listed physically now.
*
* 2000/04/07 Nicolas Pitre <nico@cam.org>
* Reworked for real-time selection of memory definitions
*
*/
#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]))
#define SA1100_STD_IO_MAPPING \
/* virtual physical length domain r w c b */ \
{ 0xe0000000, 0x20000000, 0x04000000, DOMAIN_IO, 1, 1, 0, 0 }, /* PCMCIA0 IO */ \
{ 0xe4000000, 0x30000000, 0x04000000, DOMAIN_IO, 1, 1, 0, 0 }, /* PCMCIA1 IO */ \
{ 0xe8000000, 0x28000000, 0x04000000, DOMAIN_IO, 1, 1, 0, 0 }, /* PCMCIA0 attr */ \
{ 0xec000000, 0x38000000, 0x04000000, DOMAIN_IO, 1, 1, 0, 0 }, /* PCMCIA1 attr */ \
{ 0xf0000000, 0x2c000000, 0x04000000, DOMAIN_IO, 1, 1, 0, 0 }, /* PCMCIA0 mem */ \
{ 0xf4000000, 0x3c000000, 0x04000000, DOMAIN_IO, 1, 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 */
static struct map_desc assabet_io_desc[] __initdata = {
#ifdef CONFIG_SA1100_ASSABET
{ 0xd0000000, 0x00000000, 0x02000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 0 */
{ 0xdc000000, 0x12000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* Board Control Register */
SA1100_STD_IO_MAPPING
#endif
};
static struct map_desc bitsy_io_desc[] __initdata = {
#ifdef CONFIG_SA1100_BITSY
{ 0xd0000000, 0x00000000, 0x02000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 0 */
SA1100_STD_IO_MAPPING
#endif
};
static struct map_desc empeg_io_desc[] __initdata = {
#ifdef CONFIG_SA1100_EMPEG
{ EMPEG_FLASHBASE, 0x00000000, 0x00200000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash */
SA1100_STD_IO_MAPPING
#endif
};
static struct map_desc graphicsclient_io_desc[] __initdata = {
#ifdef CONFIG_SA1100_GRAPHICSCLIENT
{ 0xd0000000, 0x08000000, 0x00800000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 1 */
{ 0xd0800000, 0x18000000, 0x00800000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 3 */
{ 0xdc000000, 0x10000000, 0x00400000, DOMAIN_IO, 0, 1, 0, 0 }, /* CPLD */
SA1100_STD_IO_MAPPING
#endif
};
static struct map_desc thinclient_io_desc[] __initdata = {
#ifdef CONFIG_SA1100_THINCLIENT
#if 0
{ 0xd0000000, 0x00000000, 0x01000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 0 when JP1 2-4 */
#else
{ 0xd0000000, 0x08000000, 0x01000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 1 when JP1 3-4 */
#endif
{ 0xdc000000, 0x10000000, 0x00400000, DOMAIN_IO, 0, 1, 0, 0 }, /* CPLD */
SA1100_STD_IO_MAPPING
#endif
};
static struct map_desc tifon_io_desc[] __initdata = {
#ifdef 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 */
SA1100_STD_IO_MAPPING
#endif
};
static struct map_desc victor_io_desc[] __initdata = {
#ifdef CONFIG_SA1100_VICTOR
{ 0xd0000000, 0x00000000, 0x00200000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash */
SA1100_STD_IO_MAPPING
#endif
};
static struct map_desc default_io_desc[] __initdata = {
SA1100_STD_IO_MAPPING
};
/*
* Here it would be wiser to simply assign a pointer to the appropriate
* list, but io_desc is already declared as an array in "map.h".
*/
struct map_desc io_desc[20] __initdata = {};
unsigned int io_desc_size;
void __init select_sa1100_io_desc(void)
{
if( machine_is_assabet() ) {
memcpy( io_desc, assabet_io_desc, sizeof(assabet_io_desc) );
io_desc_size = SIZE(assabet_io_desc);
} else if( machine_is_bitsy() ) {
memcpy( io_desc, bitsy_io_desc, sizeof(bitsy_io_desc) );
io_desc_size = SIZE(bitsy_io_desc);
} else if( machine_is_empeg() ) {
memcpy( io_desc, empeg_io_desc, sizeof(empeg_io_desc) );
io_desc_size = SIZE(empeg_io_desc);
} else if( machine_is_graphicsclient() ) {
memcpy( io_desc, graphicsclient_io_desc, sizeof(graphicsclient_io_desc) );
io_desc_size = SIZE(graphicsclient_io_desc);
} else if( machine_is_thinclient() ) {
memcpy( io_desc, thinclient_io_desc, sizeof(thinclient_io_desc) );
io_desc_size = SIZE(thinclient_io_desc);
} else if( machine_is_tifon() ) {
memcpy( io_desc, tifon_io_desc, sizeof(tifon_io_desc) );
io_desc_size = SIZE(tifon_io_desc);
} else if( machine_is_victor() ) {
memcpy( io_desc, victor_io_desc, sizeof(victor_io_desc) );
io_desc_size = SIZE(victor_io_desc);
} else {
memcpy( io_desc, default_io_desc, sizeof(default_io_desc) );
io_desc_size = SIZE(default_io_desc);
}
}
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