patch-2.4.0-test8 linux/arch/arm/mach-footbridge/arch.c

• Lines: 153
• Date: Sun Sep 3 11:19:11 2000
• Orig file: v2.4.0-test7/linux/arch/arm/mach-footbridge/arch.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test7/linux/arch/arm/mach-footbridge/arch.c linux/arch/arm/mach-footbridge/arch.c
@@ -0,0 +1,152 @@
+/*
+ * 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/tty.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/init.h>
+
+#include <asm/dec21285.h>
+#include <asm/elf.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);
+extern void __init footbridge_map_io(void);
+
+#ifdef CONFIG_ARCH_EBSA285
+
+static void __init
+fixup_ebsa285(struct machine_desc *desc, struct param_struct *params,
+	      char **cmdline, struct meminfo *mi)
+{
+	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;
+}
+
+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)
+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 __init
+fixup_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 = 0x2000;	/* 32MB */
+		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)
+MACHINE_END
+#endif
+
+#ifdef CONFIG_ARCH_CATS
+/*
+ * CATS uses soft-reboot by default, since
+ * hard reboots fail on early boards.
+ */
+static void __init
+fixup_cats(struct machine_desc *desc, struct param_struct *params,
+	   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)
+	SOFT_REBOOT
+	FIXUP(fixup_cats)
+	MAPIO(footbridge_map_io)
+MACHINE_END
+#endif
+
+#ifdef CONFIG_ARCH_CO285
+
+static void __init
+fixup_coebsa285(struct machine_desc *desc, struct param_struct *params,
+		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)
+MACHINE_END
+#endif
+
+#ifdef CONFIG_ARCH_PERSONAL_SERVER
+MACHINE_START(PERSONAL_SERVER, "Compaq-PersonalServer")
+	MAINTAINER("Jamey Hicks / George France")
+	BOOT_MEM(0x00000000, DC21285_ARMCSR_BASE, 0xfe000000)
+	BOOT_PARAMS(0x00000100)
+	MAPIO(footbridge_map_io)
+MACHINE_END
+#endif