patch-2.4.0-test9 linux/arch/arm/mach-sa1100/arch.c

• Lines: 292
• Date: Mon Sep 18 15:15:25 2000
• Orig file: v2.4.0-test8/linux/arch/arm/mach-sa1100/arch.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test8/linux/arch/arm/mach-sa1100/arch.c linux/arch/arm/mach-sa1100/arch.c
@@ -0,0 +1,291 @@
+/*
+ * linux/arch/arm/mach-sa1100/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/tty.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/init.h>
+
+#include <asm/elf.h>
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+
+#include <asm/mach/arch.h>
+
+extern void setup_initrd(unsigned int start, unsigned int size);
+extern void setup_ramdisk(int doload, int prompt, int start, unsigned int rd_sz);
+
+static void victor_power_off(void)
+{
+	/* switch off power supply */
+	mdelay(2000);
+	GPCR = GPIO_GPIO23;
+	while (1);
+}
+
+
+static void xp860_power_off(void)
+{
+	GPDR |= GPIO_GPIO20;
+	GPSR = GPIO_GPIO20;
+	mdelay(1000);
+	GPCR = GPIO_GPIO20;
+	while(1);
+}
+
+
+extern void __init sa1100_map_io(void);
+
+#define SET_BANK(__nr,__start,__size) \
+	mi->bank[__nr].start = (__start), \
+	mi->bank[__nr].size = (__size), \
+	mi->bank[__nr].node = (((unsigned)(__start) - PHYS_OFFSET) >> 27)
+static void __init
+fixup_sa1100(struct machine_desc *desc, struct param_struct *params,
+	     char **cmdline, struct meminfo *mi)
+{
+	if (machine_is_assabet()) {
+		/* 
+		 * On Assabet, we must probe for the Neponset board *before*
+		 * paging_init() has occured to actually determine the amount
+		 * of RAM available.
+		 */
+		extern void map_sa1100_gpio_regs(void);
+		extern void get_assabet_scr(void);
+		map_sa1100_gpio_regs();
+		get_assabet_scr();
+
+		SET_BANK( 0, 0xc0000000, 32*1024*1024 );
+		mi->nr_banks = 1;
+
+		if (machine_has_neponset()) {
+			printk("Neponset expansion board detected\n");
+			/* 
+			 * Note that Neponset RAM is slower...
+			 * and still untested. 
+			 * This would be a candidate for
+			 * _real_ NUMA support. 
+			 */
+			//SET_BANK( 1, 0xd0000000, 32*1024*1024 );
+			//mi->nr_banks = 2;
+		}
+
+		ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
+		setup_ramdisk( 1, 0, 0, 8192 );
+		setup_initrd( 0xc0800000, 3*1024*1024 );
+	}
+
+	else if (machine_is_brutus()) {
+		SET_BANK( 0, 0xc0000000, 4*1024*1024 );
+		SET_BANK( 1, 0xc8000000, 4*1024*1024 );
+		SET_BANK( 2, 0xd0000000, 4*1024*1024 );
+		SET_BANK( 3, 0xd8000000, 4*1024*1024 );
+		mi->nr_banks = 4;
+
+		ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
+		setup_ramdisk( 1, 0, 0, 8192 );
+		setup_initrd( __phys_to_virt(0xd8000000), 3*1024*1024 );
+	}
+
+        else if (machine_is_cerf()) {
+                // 16Meg Ram.
+                SET_BANK( 0, 0xc0000000, 8*1024*1024 );
+                SET_BANK( 1, 0xc8000000, 8*1024*1024 );			// comment this out for 8MB Cerfs
+                mi->nr_banks = 2;
+
+                ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
+                setup_ramdisk(1,  0, 0, 8192);
+                // Save 2Meg for RAMDisk
+                setup_initrd(0xc0500000, 3*1024*1024);
+        }
+
+	else if (machine_is_empeg()) {
+		SET_BANK( 0, 0xc0000000, 4*1024*1024 );
+		SET_BANK( 1, 0xc8000000, 4*1024*1024 );
+		mi->nr_banks = 2;
+
+		ROOT_DEV = MKDEV( 3, 1 );  /* /dev/hda1 */
+		setup_ramdisk( 1, 0, 0, 4096 );
+		setup_initrd( 0xd0000000+((1024-320)*1024), (320*1024) );
+	}
+
+	else if (machine_is_lart()) {
+		/*
+		 * Note that LART is a special case - it doesn't use physical
+		 * address line A23 on the DRAM, so we effectively have 4 * 8MB
+		 * in two SA1100 banks.
+		 */
+		SET_BANK( 0, 0xc0000000, 8*1024*1024 );
+		SET_BANK( 1, 0xc1000000, 8*1024*1024 );
+		SET_BANK( 2, 0xc8000000, 8*1024*1024 );
+		SET_BANK( 3, 0xc9000000, 8*1024*1024 );
+		mi->nr_banks = 4;
+
+		ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
+		setup_ramdisk(1, 0, 0, 8192);
+		setup_initrd(0xc0400000, 4*1024*1024);
+	}
+
+	else if (machine_is_thinclient() || machine_is_graphicsclient()) {
+		SET_BANK( 0, 0xc0000000, 16*1024*1024 );
+		mi->nr_banks = 1;
+
+		ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
+		setup_ramdisk( 1, 0, 0, 8192 );
+		setup_initrd( __phys_to_virt(0xc0800000), 4*1024*1024 );
+	}
+
+	else if (machine_is_nanoengine()) {
+		SET_BANK( 0, 0xc0000000, 32*1024*1024 );
+		mi->nr_banks = 1;
+
+		ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
+		setup_ramdisk( 1, 0, 0, 8192 );
+		setup_initrd( __phys_to_virt(0xc0800000), 4*1024*1024 );
+
+		/* Get command line parameters passed from the loader (if any) */
+		if( *((char*)0xc0000100) )
+			*cmdline = ((char *)0xc0000100);
+	}
+	else if (machine_is_tifon()) {
+		SET_BANK( 0, 0xc0000000, 16*1024*1024 );
+		SET_BANK( 1, 0xc8000000, 16*1024*1024 );
+		mi->nr_banks = 2;
+
+		ROOT_DEV = MKDEV(UNNAMED_MAJOR, 0);
+		setup_ramdisk(1, 0, 0, 4096);
+		setup_initrd( 0xd0000000 + 0x1100004, 0x140000 );
+	}
+
+	else if (machine_is_victor()) {
+		SET_BANK( 0, 0xc0000000, 4*1024*1024 );
+		mi->nr_banks = 1;
+
+		ROOT_DEV = MKDEV( 60, 2 );
+
+		/* Get command line parameters passed from the loader (if any) */
+		if( *((char*)0xc0000000) )
+			strcpy( *cmdline, ((char *)0xc0000000) );
+
+		/* power off if any problem */
+		strcat( *cmdline, " panic=1" );
+
+		pm_power_off = victor_power_off;
+	}
+
+	else if (machine_is_xp860()) {
+		SET_BANK( 0, 0xc0000000, 32*1024*1024 );
+		mi->nr_banks = 1;
+
+		pm_power_off = xp860_power_off;
+	}
+}
+
+#ifdef CONFIG_SA1100_ASSABET
+MACHINE_START(ASSABET, "Intel-Assabet")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_BITSY
+MACHINE_START(BITSY, "Compaq Bitsy")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	BOOT_PARAMS(0xc0000100)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_BRUTUS
+MACHINE_START(BRUTUS, "Intel Brutus (SA1100 eval board)")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_CERF
+MACHINE_START(CERF, "Intrinsyc CerfBoard")
+	MAINTAINER("Pieter Truter")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_EMPEG
+MACHINE_START(EMPEG, "empeg MP3 Car Audio Player")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_GRAPHICSCLIENT
+MACHINE_START(GRAPHICSCLIENT, "ADS GraphicsClient")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_ITSY
+MACHINE_START(ITSY, "Compaq Itsy")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	BOOT_PARAMS(0xc0000100
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_LART
+MACHINE_START(LART, "LART")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_NANOENGINE
+MACHINE_START(NANOENGINE, "BSE nanoEngine")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_PLEB
+MACHINE_START(PLEB, "PLEB")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_THINCLIENT
+MACHINE_START(THINCLIENT, "ADS ThinClient")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_TIFON
+MACHINE_START(TIFON, "Tifon")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_VICTOR
+MACHINE_START(VICTOR, "VisuAide Victor")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif
+#ifdef CONFIG_SA1100_XP860
+MACHINE_START(XP860, "XP860")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	FIXUP(fixup_sa1100)
+	MAPIO(sa1100_map_io)
+MACHINE_END
+#endif