/* * linux/arch/arm/mach-footbridge/arch.c * * Architecture specific fixups.  This is where any * parameters in the params struct are fixed up, or * any additional architecture specific information * is pulled from the params struct. */#include <linux/config.h>#include <linux/module.h>#include <linux/tty.h>#include <linux/delay.h>#include <linux/pm.h>#include <linux/init.h>#include <asm/hardware/dec21285.h>#include <asm/elf.h>#include <asm/setup.h>#include <asm/mach-types.h>#include <asm/mach/arch.h>extern void footbridge_map_io(void);extern void footbridge_init_irq(void);unsigned int mem_fclk_21285 = 50000000;EXPORT_SYMBOL(mem_fclk_21285);static int __init parse_tag_memclk(const struct tag *tag){	mem_fclk_21285 = tag->u.memclk.fmemclk;	return 0;}__tagtable(ATAG_MEMCLK, parse_tag_memclk);#ifdef CONFIG_ARCH_EBSA285static void __initfixup_ebsa285(struct machine_desc *desc, struct param_struct *params,	      char **cmdline, struct meminfo *mi){#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)	ORIG_X		 = params->u1.s.video_x;	ORIG_Y		 = params->u1.s.video_y;	ORIG_VIDEO_COLS  = params->u1.s.video_num_cols;	ORIG_VIDEO_LINES = params->u1.s.video_num_rows;#endif}MACHINE_START(EBSA285, "EBSA285")	MAINTAINER("Russell King")	BOOT_MEM(0x00000000, DC21285_ARMCSR_BASE, 0xfe000000)	BOOT_PARAMS(0x00000100)	VIDEO(0x000a0000, 0x000bffff)	FIXUP(fixup_ebsa285)	MAPIO(footbridge_map_io)	INITIRQ(footbridge_init_irq)MACHINE_END#endif#ifdef CONFIG_ARCH_NETWINDER/* * Older NeTTroms either do not provide a parameters * page, or they don't supply correct information in * the parameter page. */static void __initfixup_netwinder(struct machine_desc *desc, struct param_struct *params,		char **cmdline, struct meminfo *mi){#ifdef CONFIG_ISAPNP	extern int isapnp_disable;	/*	 * We must not use the kernels ISAPnP code	 * on the NetWinder - it will reset the settings	 * for the WaveArtist chip and render it inoperable.	 */	isapnp_disable = 1;#endif	if (params->u1.s.nr_pages != 0x02000 &&	    params->u1.s.nr_pages != 0x04000 &&	    params->u1.s.nr_pages != 0x08000 &&	    params->u1.s.nr_pages != 0x10000) {		printk(KERN_WARNING "Warning: bad NeTTrom parameters "		       "detected, using defaults\n");		params->u1.s.nr_pages = 0x1000;	/* 16MB */		params->u1.s.ramdisk_size = 0;		params->u1.s.flags = FLAG_READONLY;		params->u1.s.initrd_start = 0;		params->u1.s.initrd_size = 0;		params->u1.s.rd_start = 0;	}}MACHINE_START(NETWINDER, "Rebel-NetWinder")	MAINTAINER("Russell King/Rebel.com")	BOOT_MEM(0x00000000, DC21285_ARMCSR_BASE, 0xfe000000)	BOOT_PARAMS(0x00000100)	VIDEO(0x000a0000, 0x000bffff)	DISABLE_PARPORT(0)	DISABLE_PARPORT(2)	FIXUP(fixup_netwinder)	MAPIO(footbridge_map_io)	INITIRQ(footbridge_init_irq)MACHINE_END#endif#ifdef CONFIG_ARCH_CATS/* * CATS uses soft-reboot by default, since * hard reboots fail on early boards. */static void __initfixup_cats(struct machine_desc *desc, struct param_struct *unused,	   char **cmdline, struct meminfo *mi){	ORIG_VIDEO_LINES  = 25;	ORIG_VIDEO_POINTS = 16;	ORIG_Y = 24;}MACHINE_START(CATS, "Chalice-CATS")	MAINTAINER("Philip Blundell")	BOOT_MEM(0x00000000, DC21285_ARMCSR_BASE, 0xfe000000)	BOOT_PARAMS(0x00000100)	SOFT_REBOOT	FIXUP(fixup_cats)	MAPIO(footbridge_map_io)	INITIRQ(footbridge_init_irq)MACHINE_END#endif#ifdef CONFIG_ARCH_CO285static void __initfixup_coebsa285(struct machine_desc *desc, struct param_struct *unused,		char **cmdline, struct meminfo *mi){	extern unsigned long boot_memory_end;	extern char boot_command_line[];	mi->nr_banks      = 1;	mi->bank[0].start = PHYS_OFFSET;	mi->bank[0].size  = boot_memory_end;	mi->bank[0].node  = 0;	*cmdline = boot_command_line;}MACHINE_START(CO285, "co-EBSA285")	MAINTAINER("Mark van Doesburg")	BOOT_MEM(0x00000000, DC21285_ARMCSR_BASE, 0x7cf00000)	FIXUP(fixup_coebsa285)	MAPIO(footbridge_map_io)	INITIRQ(footbridge_init_irq)MACHINE_END#endif#ifdef CONFIG_ARCH_PERSONAL_SERVERMACHINE_START(PERSONAL_SERVER, "Compaq-PersonalServer")	MAINTAINER("Jamey Hicks / George France")	BOOT_MEM(0x00000000, DC21285_ARMCSR_BASE, 0xfe000000)	BOOT_PARAMS(0x00000100)	MAPIO(footbridge_map_io)	INITIRQ(footbridge_init_irq)MACHINE_END#endif