patch-2.4.22 linux-2.4.22/include/asm-sh64/platform.h

• Lines: 70
• Date: 2003-08-25 04:44:44.000000000 -0700
• Orig file: linux-2.4.21/include/asm-sh64/platform.h
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/include/asm-sh64/platform.h linux-2.4.22/include/asm-sh64/platform.h
@@ -0,0 +1,69 @@
+#ifndef __ASM_SH64_PLATFORM_H
+#define __ASM_SH64_PLATFORM_H
+
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * include/asm-sh64/platform.h
+ *
+ * Copyright (C) 2000, 2001  Paolo Alberelli
+ *
+ * benedict.gaster@superh.com:	 3rd May 2002
+ *    Added support for ramdisk, removing statically linked romfs at the same time.
+ */
+
+#include <linux/ioport.h>
+#include <asm/irq.h>
+
+
+/*
+ * Platform definition structure.
+ */
+struct sh64_platform {
+	unsigned int readonly_rootfs;
+	unsigned int ramdisk_flags;
+	unsigned int initial_root_dev;
+	unsigned int loader_type;
+	unsigned int initrd_start;
+	unsigned int initrd_size;
+	unsigned int fpu_flags;
+	unsigned int io_res_count;
+	unsigned int kram_res_count;
+	unsigned int xram_res_count;
+	unsigned int rom_res_count;
+	struct resource *io_res_p;
+	struct resource *kram_res_p;
+	struct resource *xram_res_p;
+	struct resource *rom_res_p;
+};
+
+extern struct sh64_platform platform_parms;
+
+extern unsigned long long memory_start, memory_end;
+
+extern unsigned long long fpu_in_use;
+
+extern int platform_int_priority[NR_INTC_IRQS];
+
+#define FPU_FLAGS		(platform_parms.fpu_flags)
+#define STANDARD_IO_RESOURCES	(platform_parms.io_res_count)
+#define STANDARD_KRAM_RESOURCES	(platform_parms.kram_res_count)
+#define STANDARD_XRAM_RESOURCES	(platform_parms.xram_res_count)
+#define STANDARD_ROM_RESOURCES	(platform_parms.rom_res_count)
+
+/*
+ * Kernel Memory description, Respectively:
+ * code = last but one memory descriptor
+ * data = last memory descriptor
+ */
+#define code_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 2])
+#define data_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 1])
+
+/* Be prepared to 64-bit sign extensions */
+#define PFN_UP(x)       ((((x) + PAGE_SIZE-1) >> PAGE_SHIFT) & 0x000fffff)
+#define PFN_DOWN(x)     (((x) >> PAGE_SHIFT) & 0x000fffff)
+#define PFN_PHYS(x)     ((x) << PAGE_SHIFT)
+
+#endif	/* __ASM_SH64_PLATFORM_H */