patch-2.4.9 linux/arch/arm/mm/mm-sa1100.c

• Lines: 190
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.8/linux/arch/arm/mm/mm-sa1100.c
• Orig date: Thu Apr 12 12:20:31 2001

diff -u --recursive --new-file v2.4.8/linux/arch/arm/mm/mm-sa1100.c linux/arch/arm/mm/mm-sa1100.c
@@ -1,189 +0,0 @@
-/*
- *  linux/arch/arm/mm/mm-sa1100.c
- *
- *  Copyright (C) 1998-1999 Russell King
- *  Copyright (C) 1999 Hugo Fiennes
- *
- *  Extra MM routines for the SA1100 architecture
- *
- *  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 run-time selection of memory definitions
- *
- */
-#include <linux/config.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-
-#include <asm/hardware.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/mach-types.h>
-
-#include <asm/mach/map.h>
- 
-static struct map_desc standard_io_desc[] __initdata = {
- /* virtual     physical    length      domain     r  w  c  b */ \
-  { 0xf6000000, 0x20000000, 0x01000000, DOMAIN_IO, 1, 1, 0, 0 }, /* PCMCIA0 IO */
-  { 0xf7000000, 0x30000000, 0x01000000, DOMAIN_IO, 1, 1, 0, 0 }, /* PCMCIA1 IO */
-  { 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 */
-  LAST_DESC
-};
-
-/*
- * Typically, static virtual address mappings are as follow:
- * 
- * 0xe8000000-0xefffffff:	flash memory (especially when multiple flash
- * 				banks need to be mapped contigously)
- * 0xf0000000-0xf3ffffff:	miscellaneous stuff (CPLDs, etc.)
- * 0xf4000000-0xf4ffffff:	SA-1111
- * 0xf5000000-0xf5ffffff:	reserved (used by cache flushing area)
- * 0xf6000000-0xffffffff:	reserved (internal SA1100 IO defined above)
- * 
- * Below 0xe8000000 is reserved for vm allocation.
- */
-
-static struct map_desc assabet_io_desc[] __initdata = {
-#ifdef CONFIG_SA1100_ASSABET
-  { 0xe8000000, 0x00000000, 0x02000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 0 */
-  { 0xf0000000, 0x10000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* System Registers */
-  { 0xf1000000, 0x12000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* Board Control Register */
-  { 0xf2800000, 0x4b800000, 0x00800000, DOMAIN_IO, 1, 1, 0, 0 }, /* MQ200 */
-  { 0xf4000000, 0x40000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* SA-1111 */
-#endif
-  LAST_DESC
-};
-
-static struct map_desc bitsy_io_desc[] __initdata = {
-#ifdef CONFIG_SA1100_BITSY
-  { 0xe8000000, 0x00000000, 0x02000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 0 */
-  { 0xf0000000, 0x49000000, 0x02000000, DOMAIN_IO, 1, 1, 0, 0 }, /* EGPIO 0 */
-#endif
-  LAST_DESC
-};
-
-static struct map_desc cerf_io_desc[] __initdata = {
-#ifdef CONFIG_SA1100_CERF
-  { 0xe8000000, 0x00000000, 0x01000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 0 */
-  { 0xf0000000, 0x08000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* Crystal Chip */
-#endif
-  LAST_DESC
-};
-
-static struct map_desc empeg_io_desc[] __initdata = {
-#ifdef CONFIG_SA1100_EMPEG
-  { EMPEG_FLASHBASE, 0x00000000, 0x00200000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash */
-#endif
-  LAST_DESC
-};
-
-static struct map_desc graphicsclient_io_desc[] __initdata = {
-#ifdef CONFIG_SA1100_GRAPHICSCLIENT
-  { 0xe8000000, 0x08000000, 0x01000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 1 */
-  { 0xf0000000, 0x10000000, 0x00400000, DOMAIN_IO, 0, 1, 0, 0 }, /* CPLD */
-#endif
-  LAST_DESC
-};
-
-static struct map_desc lart_io_desc[] __initdata = {
-#ifdef CONFIG_SA1100_LART
-  { 0xe8000000, 0x00000000, 0x00400000, DOMAIN_IO, 1, 1, 0, 0 }, /* main flash memory */
-  { 0xec000000, 0x08000000, 0x00400000, DOMAIN_IO, 1, 1, 0, 0 }, /* main flash, alternative location */
-#endif
-  LAST_DESC
-};
-
-static struct map_desc nanoengine_io_desc[] __initdata = {
-#ifdef CONFIG_SA1100_NANOENGINE
-  { 0xe8000000, 0x00000000, 0x02000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 0 */
-  { 0xf0000000, 0x10000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* System Registers */
-  { 0xf1000000, 0x18A00000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* Internal PCI Config Space */
-#endif
-  LAST_DESC
-};
-
-static struct map_desc sherman_io_desc[] __initdata = {
-#ifdef CONFIG_SA1100_SHERMAN
-  { 0xe8000000, 0x00000000, 0x02000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash*/
-#endif
-  LAST_DESC
-};
-
-static struct map_desc victor_io_desc[] __initdata = {
-#ifdef CONFIG_SA1100_VICTOR
-  { 0xe8000000, 0x00000000, 0x00200000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash */
-#endif
-  LAST_DESC
-};
-
-static struct map_desc xp860_io_desc[] __initdata = {
-#ifdef CONFIG_SA1100_XP860
-  { 0xf0000000, 0x10000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* SCSI */
-  { 0xf1000000, 0x18000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* LAN */
-  { 0xf4000000, 0x40000000, 0x00800000, DOMAIN_IO, 1, 1, 0, 0 }, /* SA-1111 */
-#endif
-  LAST_DESC
-};
-
-static struct map_desc pangolin_io_desc[] __initdata = {
-#ifdef CONFIG_SA1100_PANGOLIN
-  { 0xe8000000, 0x00000000, 0x02000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 0 */
-#endif
-  LAST_DESC
-};
-
-void __init sa1100_map_io(void)
-{
-	struct map_desc *desc = NULL;
-
-	iotable_init(standard_io_desc);
-
-	if (machine_is_assabet())
-		desc = assabet_io_desc;
-	else if (machine_is_bitsy())
-		desc = bitsy_io_desc;
-	else if (machine_is_cerf())
-		desc = cerf_io_desc;
-	else if (machine_is_empeg())
-		desc = empeg_io_desc;
-	else if (machine_is_graphicsclient())
-		desc = graphicsclient_io_desc;
-	else if (machine_is_lart())
-	        desc = lart_io_desc;
-	else if (machine_is_nanoengine())
-		desc = nanoengine_io_desc;
-	else if (machine_is_sherman())
-		desc = sherman_io_desc;
-	else if (machine_is_victor())
-		desc = victor_io_desc;
-	else if (machine_is_xp860())
-		desc = xp860_io_desc;
-	else if (machine_is_pangolin())
-		desc = pangolin_io_desc;
-
-	if (desc)
-		iotable_init(desc);
-}
-
-/*
- * On Assabet, we must probe for the Neponset board *before* paging_init() 
- * has occurred to actually determine the amount of RAM available.  To do so, 
- * we map the appropriate IO section in the page table here in order to 
- * access GPIO registers.
- */
-void __init map_sa1100_gpio_regs( void )
-{
-	unsigned long phys = _GPLR & PMD_MASK;
-	unsigned long virt = io_p2v(phys);
-	int prot = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_DOMAIN(DOMAIN_IO);
-	pmd_t pmd;
-	pmd_val(pmd) = phys | prot;
-	set_pmd(pmd_offset(pgd_offset_k(virt), virt), pmd);
-}
-