patch-2.4.0-test4 linux/arch/mips/orion/misc.c

• Lines: 101
• Date: Wed Jul 12 12:48:37 2000
• Orig file: v2.4.0-test3/linux/arch/mips/orion/misc.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test3/linux/arch/mips/orion/misc.c linux/arch/mips/orion/misc.c
@@ -0,0 +1,100 @@
+/*
+ * Catch-all for Orion-specify code that doesn't fit easily elsewhere.
+ *   -- Cort
+ */
+
+#include <linux/config.h>
+#include <linux/errno.h>
+#include <linux/hdreg.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/stddef.h>
+#include <linux/string.h>
+#include <linux/unistd.h>
+#include <linux/ptrace.h>
+#include <linux/malloc.h>
+#include <linux/user.h>
+#include <linux/utsname.h>
+#include <linux/a.out.h>
+#include <linux/tty.h>
+#ifdef CONFIG_BLK_DEV_RAM
+#include <linux/blk.h>
+#endif
+#include <linux/ide.h>
+#ifdef CONFIG_RTC
+#include <linux/timex.h>
+#endif
+
+#include <asm/asm.h>
+#include <asm/bootinfo.h>
+#include <asm/cachectl.h>
+#include <asm/io.h>
+#include <asm/stackframe.h>
+#include <asm/system.h>
+#include <asm/cpu.h>
+#include <linux/bootmem.h>
+#include <asm/addrspace.h>
+#include <asm/mc146818rtc.h>
+
+char arcs_cmdline[CL_SIZE] = {0, };
+extern int _end;
+
+static unsigned char orion_rtc_read_data(unsigned long addr)
+{
+	return 0;
+}
+
+static void orion_rtc_write_data(unsigned char data, unsigned long addr)
+{
+}
+
+static int orion_rtc_bcd_mode(void)
+{
+	return 0;
+}
+
+struct rtc_ops orion_rtc_ops = {
+	&orion_rtc_read_data,
+	&orion_rtc_write_data,
+	&orion_rtc_bcd_mode
+};
+
+extern void InitCIB(void);
+extern void InitQpic(void);
+extern void InitCupid(void);
+
+void __init orion_setup(void)
+{
+	InitCIB();
+	InitQpic();
+	InitCupid();
+}
+
+#define PFN_UP(x)	(((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
+#define PFN_ALIGN(x)	(((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)
+
+
+
+int orion_sysinit(void)
+{
+	unsigned long mem_size, free_start, free_end, start_pfn, bootmap_size;
+	
+	mips_machgroup = MACH_GROUP_ORION;
+	/* 64 MB non-upgradable */
+	mem_size = 32 << 20;
+	
+	free_start = PHYSADDR(PFN_ALIGN(&_end));
+	free_end = mem_size;
+	start_pfn = PFN_UP((unsigned long)&_end);
+	
+	/* Register all the contiguous memory with the bootmem allocator
+	   and free it.  Be careful about the bootmem freemap.  */
+	bootmap_size = init_bootmem(start_pfn, mem_size >> PAGE_SHIFT);
+	
+	/* Free the entire available memory after the _end symbol.  */
+	free_start += bootmap_size;
+	free_bootmem(free_start, free_end-free_start);
+}