Initial revision

4 files changed, 364 insertions, 0 deletions

diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h
new file mode 100644
index 00000000000..47338585a38
--- /dev/null
+++ b/include/asm-arm/bitops.h
@@ -0,0 +1,144 @@
+/*
+ * Copyright 1995, Russell King.
+ * Various bits and pieces copyrights include:
+ *  Linus Torvalds (test_bit).
+ *
+ * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1).
+ *
+ * Please note that the code in this file should never be included
+ * from user space.  Many of these are not implemented in assembler
+ * since they would be too costly.  Also, they require priviledged
+ * instructions (which are not available from user mode) to ensure
+ * that they are atomic.
+ */
+
+#ifndef __ASM_ARM_BITOPS_H
+#define __ASM_ARM_BITOPS_H
+
+#ifdef __KERNEL__
+
+#define smp_mb__before_clear_bit()	do { } while (0)
+#define smp_mb__after_clear_bit()	do { } while (0)
+
+/*
+ * Function prototypes to keep gcc -Wall happy.
+ */
+extern void set_bit(int nr, volatile void * addr);
+
+static inline void __set_bit(int nr, volatile void *addr)
+{
+	((unsigned char *) addr)[nr >> 3] |= (1U << (nr & 7));
+}
+
+extern void clear_bit(int nr, volatile void * addr);
+
+static inline void __clear_bit(int nr, volatile void *addr)
+{
+	((unsigned char *) addr)[nr >> 3] &= ~(1U << (nr & 7));
+}
+
+extern void change_bit(int nr, volatile void * addr);
+
+static inline void __change_bit(int nr, volatile void *addr)
+{
+	((unsigned char *) addr)[nr >> 3] ^= (1U << (nr & 7));
+}
+
+extern int test_and_set_bit(int nr, volatile void * addr);
+
+static inline int __test_and_set_bit(int nr, volatile void *addr)
+{
+	unsigned int mask = 1 << (nr & 7);
+	unsigned int oldval;
+
+	oldval = ((unsigned char *) addr)[nr >> 3];
+	((unsigned char *) addr)[nr >> 3] = oldval | mask;
+	return oldval & mask;
+}
+
+extern int test_and_clear_bit(int nr, volatile void * addr);
+
+static inline int __test_and_clear_bit(int nr, volatile void *addr)
+{
+	unsigned int mask = 1 << (nr & 7);
+	unsigned int oldval;
+
+	oldval = ((unsigned char *) addr)[nr >> 3];
+	((unsigned char *) addr)[nr >> 3] = oldval & ~mask;
+	return oldval & mask;
+}
+
+extern int test_and_change_bit(int nr, volatile void * addr);
+
+static inline int __test_and_change_bit(int nr, volatile void *addr)
+{
+	unsigned int mask = 1 << (nr & 7);
+	unsigned int oldval;
+
+	oldval = ((unsigned char *) addr)[nr >> 3];
+	((unsigned char *) addr)[nr >> 3] = oldval ^ mask;
+	return oldval & mask;
+}
+
+extern int find_first_zero_bit(void * addr, unsigned size);
+extern int find_next_zero_bit(void * addr, int size, int offset);
+
+/*
+ * This routine doesn't need to be atomic.
+ */
+static inline int test_bit(int nr, const void * addr)
+{
+    return ((unsigned char *) addr)[nr >> 3] & (1U << (nr & 7));
+}
+
+/*
+ * ffz = Find First Zero in word. Undefined if no zero exists,
+ * so code should check against ~0UL first..
+ */
+static inline unsigned long ffz(unsigned long word)
+{
+	int k;
+
+	word = ~word;
+	k = 31;
+	if (word & 0x0000ffff) { k -= 16; word <<= 16; }
+	if (word & 0x00ff0000) { k -= 8;  word <<= 8;  }
+	if (word & 0x0f000000) { k -= 4;  word <<= 4;  }
+	if (word & 0x30000000) { k -= 2;  word <<= 2;  }
+	if (word & 0x40000000) { k -= 1; }
+        return k;
+}
+
+/*
+ * ffs: find first bit set. This is defined the same way as
+ * the libc and compiler builtin ffs routines, therefore
+ * differs in spirit from the above ffz (man ffs).
+ */
+
+#define ffs(x) generic_ffs(x)
+
+/*
+ * hweightN: returns the hamming weight (i.e. the number
+ * of bits set) of a N-bit word
+ */
+
+#define hweight32(x) generic_hweight32(x)
+#define hweight16(x) generic_hweight16(x)
+#define hweight8(x) generic_hweight8(x)
+
+#define ext2_set_bit			test_and_set_bit
+#define ext2_clear_bit			test_and_clear_bit
+#define ext2_test_bit			test_bit
+#define ext2_find_first_zero_bit	find_first_zero_bit
+#define ext2_find_next_zero_bit		find_next_zero_bit
+
+/* Bitmap functions for the minix filesystem. */
+#define minix_test_and_set_bit(nr,addr)	test_and_set_bit(nr,addr)
+#define minix_set_bit(nr,addr)		set_bit(nr,addr)
+#define minix_test_and_clear_bit(nr,addr)	test_and_clear_bit(nr,addr)
+#define minix_test_bit(nr,addr)		test_bit(nr,addr)
+#define minix_find_first_zero_bit(addr,size)	find_first_zero_bit(addr,size)
+
+#endif /* __KERNEL__ */
+
+#endif /* _ARM_BITOPS_H */
diff --git a/include/asm-arm/proc-armv/ptrace.h b/include/asm-arm/proc-armv/ptrace.h
new file mode 100644
index 00000000000..51708b9b1ac
--- /dev/null
+++ b/include/asm-arm/proc-armv/ptrace.h
@@ -0,0 +1,110 @@
+/*
+ *  linux/include/asm-arm/proc-armv/ptrace.h
+ *
+ *  Copyright (C) 1996-1999 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_PROC_PTRACE_H
+#define __ASM_PROC_PTRACE_H
+
+#include <linux/config.h>
+
+#define USR26_MODE	0x00
+#define FIQ26_MODE	0x01
+#define IRQ26_MODE	0x02
+#define SVC26_MODE	0x03
+#define USR_MODE	0x10
+#define FIQ_MODE	0x11
+#define IRQ_MODE	0x12
+#define SVC_MODE	0x13
+#define ABT_MODE	0x17
+#define UND_MODE	0x1b
+#define SYSTEM_MODE	0x1f
+#define MODE_MASK	0x1f
+#define T_BIT		0x20
+#define F_BIT		0x40
+#define I_BIT		0x80
+#define CC_V_BIT	(1 << 28)
+#define CC_C_BIT	(1 << 29)
+#define CC_Z_BIT	(1 << 30)
+#define CC_N_BIT	(1 << 31)
+#define PCMASK		0
+
+#ifndef __ASSEMBLY__
+
+/* this struct defines the way the registers are stored on the
+   stack during a system call. */
+
+struct pt_regs {
+	long uregs[18];
+};
+
+#define ARM_cpsr	uregs[16]
+#define ARM_pc		uregs[15]
+#define ARM_lr		uregs[14]
+#define ARM_sp		uregs[13]
+#define ARM_ip		uregs[12]
+#define ARM_fp		uregs[11]
+#define ARM_r10		uregs[10]
+#define ARM_r9		uregs[9]
+#define ARM_r8		uregs[8]
+#define ARM_r7		uregs[7]
+#define ARM_r6		uregs[6]
+#define ARM_r5		uregs[5]
+#define ARM_r4		uregs[4]
+#define ARM_r3		uregs[3]
+#define ARM_r2		uregs[2]
+#define ARM_r1		uregs[1]
+#define ARM_r0		uregs[0]
+#define ARM_ORIG_r0	uregs[17]
+
+#ifdef __KERNEL__
+
+#define user_mode(regs)	\
+	(((regs)->ARM_cpsr & 0xf) == 0)
+
+#ifdef CONFIG_ARM_THUMB
+#define thumb_mode(regs) \
+	(((regs)->ARM_cpsr & T_BIT))
+#else
+#define thumb_mode(regs) (0)
+#endif
+
+#define processor_mode(regs) \
+	((regs)->ARM_cpsr & MODE_MASK)
+
+#define interrupts_enabled(regs) \
+	(!((regs)->ARM_cpsr & I_BIT))
+
+#define fast_interrupts_enabled(regs) \
+	(!((regs)->ARM_cpsr & F_BIT))
+
+#define condition_codes(regs) \
+	((regs)->ARM_cpsr & (CC_V_BIT|CC_C_BIT|CC_Z_BIT|CC_N_BIT))
+
+/* Are the current registers suitable for user mode?
+ * (used to maintain security in signal handlers)
+ */
+static inline int valid_user_regs(struct pt_regs *regs)
+{
+	if ((regs->ARM_cpsr & 0xf) == 0 &&
+	    (regs->ARM_cpsr & (F_BIT|I_BIT)) == 0)
+		return 1;
+
+	/*
+	 * Force CPSR to something logical...
+	 */
+	regs->ARM_cpsr &= (CC_V_BIT|CC_C_BIT|CC_Z_BIT|CC_N_BIT|0x10);
+
+	return 0;
+}
+
+#endif	/* __KERNEL__ */
+
+#endif	/* __ASSEMBLY__ */
+
+#endif
+
diff --git a/include/asm-arm/u-boot-arm.h b/include/asm-arm/u-boot-arm.h
new file mode 100644
index 00000000000..355b1e4e680
--- /dev/null
+++ b/include/asm-arm/u-boot-arm.h
@@ -0,0 +1,61 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _U_BOOT_ARM_H_
+#define _U_BOOT_ARM_H_	1
+
+/* for the following variables, see start.S */
+extern ulong _armboot_start;	/* code start */
+extern ulong _armboot_end_data;	/* code + data end */
+extern ulong _armboot_end;	/* BSS end */
+extern ulong IRQ_STACK_START;	/* top of IRQ stack */
+extern ulong FIQ_STACK_START;	/* top of FIQ stack */
+extern ulong _armboot_real_end;	/* first usable RAM address */
+
+/* cpu/.../cpu.c */
+int	cpu_init(void);
+int	cleanup_before_linux(void);
+
+/* board/.../... */
+int	board_init(void);
+int	dram_init (void);
+
+/* ------------------------------------------------------------ */
+/* Here is a list of some prototypes which are incompatible to	*/
+/* the U-Boot implementation					*/
+/* To be fixed!							*/
+/* ------------------------------------------------------------ */
+/* common/cmd_nvedit.c */
+void	setenv		(char *, char *);
+
+/* cpu/.../interrupt.c */
+void	reset_timer_masked	(void);
+ulong	get_timer_masked	(void);
+void	udelay_masked		(unsigned long usec);
+
+#endif	/* _U_BOOT_ARM_H_ */
diff --git a/include/asm-arm/u-boot.h b/include/asm-arm/u-boot.h
new file mode 100644
index 00000000000..c3b0e4a6ba3
--- /dev/null
+++ b/include/asm-arm/u-boot.h
@@ -0,0 +1,49 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _U_BOOT_H_
+#define _U_BOOT_H_	1
+
+typedef struct bd_info {
+    int			bi_baudrate;	/* serial console baudrate */
+    unsigned long	bi_ip_addr;	/* IP Address */
+    unsigned char	bi_enetaddr[6]; /* Ethernet adress */
+    struct environment_s	       *bi_env;
+    ulong	        bi_arch_number;	/* unique id for this board */
+    ulong	        bi_boot_params;	/* where this board expects params */
+    struct				/* RAM configuration */
+    {
+	ulong start;
+	ulong size;
+    } 			bi_dram[CONFIG_NR_DRAM_BANKS];
+} bd_t;
+
+#define bi_env_data bi_env->data
+#define bi_env_crc  bi_env->crc
+
+#endif	/* _U_BOOT_H_ */