SPARC: Added generic support for SPARC architecture.

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>

MAKEALL

@@ -723,6 +723,12 @@ LIST_sh="		\
 	${LIST_sh4}	\
 "
 
+#########################################################################
+## SPARC Systems
+#########################################################################
+
+LIST_sparc=""
+
 #-----------------------------------------------------------------------
 
 #----- for now, just run PPC by default -----
@@ -751,6 +757,7 @@ do
 	case "$arg" in
 	arm|SA|ARM7|ARM9|ARM10|ARM11|ixp|pxa| \
 	avr32| \
+	sparc| \
 	blackfin| \
 	coldfire| \
 	microblaze| \

Makefile

@@ -165,7 +165,10 @@ CROSS_COMPILE = avr32-linux-
 endif
 ifeq ($(ARCH),sh)
 CROSS_COMPILE = sh4-linux-
-endif	# sh
+endif
+ifeq ($(ARCH),sparc)
+CROSS_COMPILE = sparc-elf-
+endif	# sparc
 endif	# HOSTARCH,ARCH
 endif	# CROSS_COMPILE
 
@@ -2892,6 +2895,10 @@ r2dplus_config  :   unconfig
 	@echo "#define CONFIG_R2DPLUS 1" >> include/config.h
 	@./mkconfig -a $(@:_config=) sh sh4 r2dplus
 
+#========================================================================
+# SPARC
+#========================================================================
+
 #########################################################################
 #########################################################################
 #########################################################################

README

@@ -186,6 +186,7 @@ Directory Hierarchy:
 - lib_mips	Files generic to MIPS	 architecture
 - lib_nios	Files generic to NIOS	 architecture
 - lib_ppc	Files generic to PowerPC architecture
+- lib_sparc	Files generic to SPARC	 architecture
 - libfdt	Library files to support flattened device trees
 - net		Networking code
 - post		Power On Self Test

examples/Makefile

@@ -69,6 +69,9 @@ ifeq ($(ARCH),sh)
 LOAD_ADDR = 0x8C000000
 endif
 
+ifeq ($(ARCH),sparc)
+LOAD_ADDR = 0x00000000 -L $(gcclibdir) -T sparc.lds
+endif
 
 include $(TOPDIR)/config.mk
 

examples/sparc.lds

+/*
+ * (C) Copyright 2003, Psyent Corporation <www.psyent.com>
+ * Scott McNutt <smcnutt@psyent.com>
+ *
+ * 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
+ */
+
+
+OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
+OUTPUT_ARCH(sparc)
+ENTRY(_start)
+
+SECTIONS
+{
+	.text :
+	{
+	  *(.text)
+	}
+	__text_end = .;
+
+	. = ALIGN(4);
+	.rodata :
+	{
+		*(.rodata)
+	}
+	__rodata_end = .;
+
+	. = ALIGN(4);
+	.data :
+	{
+		*(.data)
+	}
+	. = ALIGN(4);
+	__data_end = .;
+
+	__bss_start = .;
+	. = ALIGN(4);
+	.bss :
+	{
+		*(.bss)
+	}
+	. = ALIGN(4);
+	__bss_end = .;
+	_end = .;
+}

examples/stubs.c

@@ -167,6 +167,22 @@ gd_t *global_data;
 		"	nop\n"				\
 		"	nop\n"				\
 		: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r1");
+#elif defined(CONFIG_SPARC)
+/*
+ * g7 holds the pointer to the global_data. g1 is call clobbered.
+ */
+#define EXPORT_FUNC(x)					\
+	asm volatile(					\
+"	.globl\t" #x "\n"				\
+#x ":\n"						\
+"	set %0, %%g1\n"					\
+"	or %%g1, %%g7, %%g1\n"				\
+"	ld [%%g1], %%g1\n"				\
+"	ld [%%g1 + %1], %%g1\n"				\
+"	call %%g1\n"					\
+"	nop\n"						\
+	: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x) : "g1" );
+
 #else
 #error stubs definition missing for this architecture
 #endif

include/asm-sparc/asi.h

+/* Address Space Identifier (ASI) values for sparc processors.
+ *
+ * (C) Copyright 2008
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * 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 _SPARC_ASI_H
+#define _SPARC_ASI_H
+
+/* ASI numbers are processor implementation specific */
+#include <asm/arch/asi.h>
+
+#endif	/* _SPARC_ASI_H */

include/asm-sparc/asmmacro.h

+/* Assembler macros for SPARC
+ *
+ * (C) Copyright 2007, taken from linux asm-sparc/asmmacro.h
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * 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 __SPARC_ASMMACRO_H__
+#define __SPARC_ASMMACRO_H__
+
+#include <config.h>
+
+/* All trap entry points _must_ begin with this macro or else you
+ * lose.  It makes sure the kernel has a proper window so that
+ * c-code can be called.
+ */
+#define SAVE_ALL_HEAD \
+	sethi	%hi(trap_setup+(CFG_RELOC_MONITOR_BASE-TEXT_BASE)), %l4; \
+	jmpl	%l4 + %lo(trap_setup+(CFG_RELOC_MONITOR_BASE-TEXT_BASE)), %l6;
+#define SAVE_ALL \
+	SAVE_ALL_HEAD \
+	nop;
+
+/* All traps low-level code here must end with this macro. */
+#define RESTORE_ALL b ret_trap_entry; clr %l6;
+
+#endif

include/asm-sparc/atomic.h

+/* SPARC atomic operations
+ *
+ * (C) Copyright 2008
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * 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 _ASM_SPARC_ATOMIC_H_
+#define _ASM_SPARC_ATOMIC_H_
+
+#endif	/* _ASM_SPARC_ATOMIC_H_ */

include/asm-sparc/bitops.h

+/* Bit string operations on the SPARC
+ *
+ * (C) Copyright 2007, taken from asm-ppc/bitops.h
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * 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 _SPARC_BITOPS_H
+#define _SPARC_BITOPS_H
+
+#endif				/* _SPARC_BITOPS_H */

include/asm-sparc/byteorder.h

+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2008
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * 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 _SPARC_BYTEORDER_H
+#define _SPARC_BYTEORDER_H
+
+#include <asm/types.h>
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+#define __BYTEORDER_HAS_U64__
+#endif
+#include <linux/byteorder/big_endian.h>
+#endif				/* _SPARC_BYTEORDER_H */

include/asm-sparc/cache.h

+/*
+ * (C) Copyright 2008,
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * 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 __SPARC_CACHE_H__
+#define __SPARC_CACHE_H__
+
+#include <linux/config.h>
+#include <asm/processor.h>
+
+#endif

include/asm-sparc/errno.h

+/* SPARC errno definitions, taken from asm-ppc/errno.h
+ *
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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 __SPARC_ERRNO_H__
+#define __SPARC_ERRNO_H__
+
+#define	EPERM		 1	/* Operation not permitted */
+#define	ENOENT		 2	/* No such file or directory */
+#define	ESRCH		 3	/* No such process */
+#define	EINTR		 4	/* Interrupted system call */
+#define	EIO		 5	/* I/O error */
+#define	ENXIO		 6	/* No such device or address */
+#define	E2BIG		 7	/* Arg list too long */
+#define	ENOEXEC		 8	/* Exec format error */
+#define	EBADF		 9	/* Bad file number */
+#define	ECHILD		10	/* No child processes */
+#define	EAGAIN		11	/* Try again */
+#define	ENOMEM		12	/* Out of memory */
+#define	EACCES		13	/* Permission denied */
+#define	EFAULT		14	/* Bad address */
+#define	ENOTBLK		15	/* Block device required */
+#define	EBUSY		16	/* Device or resource busy */
+#define	EEXIST		17	/* File exists */
+#define	EXDEV		18	/* Cross-device link */
+#define	ENODEV		19	/* No such device */
+#define	ENOTDIR		20	/* Not a directory */
+#define	EISDIR		21	/* Is a directory */
+#define	EINVAL		22	/* Invalid argument */
+#define	ENFILE		23	/* File table overflow */
+#define	EMFILE		24	/* Too many open files */
+#define	ENOTTY		25	/* Not a typewriter */
+#define	ETXTBSY		26	/* Text file busy */
+#define	EFBIG		27	/* File too large */
+#define	ENOSPC		28	/* No space left on device */
+#define	ESPIPE		29	/* Illegal seek */
+#define	EROFS		30	/* Read-only file system */
+#define	EMLINK		31	/* Too many links */
+#define	EPIPE		32	/* Broken pipe */
+#define	EDOM		33	/* Math argument out of domain of func */
+#define	ERANGE		34	/* Math result not representable */
+#define	EDEADLK		35	/* Resource deadlock would occur */
+#define	ENAMETOOLONG	36	/* File name too long */
+#define	ENOLCK		37	/* No record locks available */
+#define	ENOSYS		38	/* Function not implemented */
+#define	ENOTEMPTY	39	/* Directory not empty */
+#define	ELOOP		40	/* Too many symbolic links encountered */
+#define	EWOULDBLOCK	EAGAIN	/* Operation would block */
+#define	ENOMSG		42	/* No message of desired type */
+#define	EIDRM		43	/* Identifier removed */
+#define	ECHRNG		44	/* Channel number out of range */
+#define	EL2NSYNC	45	/* Level 2 not synchronized */
+#define	EL3HLT		46	/* Level 3 halted */
+#define	EL3RST		47	/* Level 3 reset */
+#define	ELNRNG		48	/* Link number out of range */
+#define	EUNATCH		49	/* Protocol driver not attached */
+#define	ENOCSI		50	/* No CSI structure available */
+#define	EL2HLT		51	/* Level 2 halted */
+#define	EBADE		52	/* Invalid exchange */
+#define	EBADR		53	/* Invalid request descriptor */
+#define	EXFULL		54	/* Exchange full */
+#define	ENOANO		55	/* No anode */
+#define	EBADRQC		56	/* Invalid request code */
+#define	EBADSLT		57	/* Invalid slot */
+#define	EDEADLOCK	58	/* File locking deadlock error */
+#define	EBFONT		59	/* Bad font file format */
+#define	ENOSTR		60	/* Device not a stream */
+#define	ENODATA		61	/* No data available */
+#define	ETIME		62	/* Timer expired */
+#define	ENOSR		63	/* Out of streams resources */
+#define	ENONET		64	/* Machine is not on the network */
+#define	ENOPKG		65	/* Package not installed */
+#define	EREMOTE		66	/* Object is remote */
+#define	ENOLINK		67	/* Link has been severed */
+#define	EADV		68	/* Advertise error */
+#define	ESRMNT		69	/* Srmount error */
+#define	ECOMM		70	/* Communication error on send */
+#define	EPROTO		71	/* Protocol error */
+#define	EMULTIHOP	72	/* Multihop attempted */
+#define	EDOTDOT		73	/* RFS specific error */
+#define	EBADMSG		74	/* Not a data message */
+#define	EOVERFLOW	75	/* Value too large for defined data type */
+#define	ENOTUNIQ	76	/* Name not unique on network */
+#define	EBADFD		77	/* File descriptor in bad state */
+#define	EREMCHG		78	/* Remote address changed */
+#define	ELIBACC		79	/* Can not access a needed shared library */
+#define	ELIBBAD		80	/* Accessing a corrupted shared library */
+#define	ELIBSCN		81	/* .lib section in a.out corrupted */
+#define	ELIBMAX		82	/* Attempting to link in too many shared libraries */
+#define	ELIBEXEC	83	/* Cannot exec a shared library directly */
+#define	EILSEQ		84	/* Illegal byte sequence */
+#define	ERESTART	85	/* Interrupted system call should be restarted */
+#define	ESTRPIPE	86	/* Streams pipe error */
+#define	EUSERS		87	/* Too many users */
+#define	ENOTSOCK	88	/* Socket operation on non-socket */
+#define	EDESTADDRREQ	89	/* Destination address required */
+#define	EMSGSIZE	90	/* Message too long */
+#define	EPROTOTYPE	91	/* Protocol wrong type for socket */
+#define	ENOPROTOOPT	92	/* Protocol not available */
+#define	EPROTONOSUPPORT	93	/* Protocol not supported */
+#define	ESOCKTNOSUPPORT	94	/* Socket type not supported */
+#define	EOPNOTSUPP	95	/* Operation not supported on transport endpoint */
+#define	EPFNOSUPPORT	96	/* Protocol family not supported */
+#define	EAFNOSUPPORT	97	/* Address family not supported by protocol */
+#define	EADDRINUSE	98	/* Address already in use */
+#define	EADDRNOTAVAIL	99	/* Cannot assign requested address */
+#define	ENETDOWN	100	/* Network is down */
+#define	ENETUNREACH	101	/* Network is unreachable */
+#define	ENETRESET	102	/* Network dropped connection because of reset */
+#define	ECONNABORTED	103	/* Software caused connection abort */
+#define	ECONNRESET	104	/* Connection reset by peer */
+#define	ENOBUFS		105	/* No buffer space available */
+#define	EISCONN		106	/* Transport endpoint is already connected */
+#define	ENOTCONN	107	/* Transport endpoint is not connected */
+#define	ESHUTDOWN	108	/* Cannot send after transport endpoint shutdown */
+#define	ETOOMANYREFS	109	/* Too many references: cannot splice */
+#define	ETIMEDOUT	110	/* Connection timed out */
+#define	ECONNREFUSED	111	/* Connection refused */
+#define	EHOSTDOWN	112	/* Host is down */
+#define	EHOSTUNREACH	113	/* No route to host */
+#define	EALREADY	114	/* Operation already in progress */
+#define	EINPROGRESS	115	/* Operation now in progress */
+#define	ESTALE		116	/* Stale NFS file handle */
+#define	EUCLEAN		117	/* Structure needs cleaning */
+#define	ENOTNAM		118	/* Not a XENIX named type file */
+#define	ENAVAIL		119	/* No XENIX semaphores available */
+#define	EISNAM		120	/* Is a named type file */
+#define	EREMOTEIO	121	/* Remote I/O error */
+#define	EDQUOT		122	/* Quota exceeded */
+
+#define	ENOMEDIUM	123	/* No medium found */
+#define	EMEDIUMTYPE	124	/* Wrong medium type */
+
+/* Should never be seen by user programs */
+#define ERESTARTSYS	512
+#define ERESTARTNOINTR	513
+#define ERESTARTNOHAND	514	/* restart if no handler.. */
+#define ENOIOCTLCMD	515	/* No ioctl command */
+
+#define _LAST_ERRNO	515
+
+#endif

include/asm-sparc/global_data.h

+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2007
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * 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	__ASM_GBL_DATA_H
+#define __ASM_GBL_DATA_H
+
+#include "asm/types.h"
+
+/*
+ * The following data structure is placed in some memory wich is
+ * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
+ * some locked parts of the data cache) to allow for a minimum set of
+ * global variables during system initialization (until we have set
+ * up the memory controller so that we can use RAM).
+ *
+ * Keep it *SMALL* and remember to set CFG_GBL_DATA_SIZE > sizeof(gd_t)
+ */
+
+typedef struct global_data {
+	bd_t *bd;
+	unsigned long flags;
+	unsigned long baudrate;
+	unsigned long cpu_clk;	/* CPU clock in Hz!             */
+	unsigned long bus_clk;
+
+	unsigned long ram_size;	/* RAM size */
+	unsigned long reloc_off;	/* Relocation Offset */
+	unsigned long reset_status;	/* reset status register at boot        */
+	unsigned long env_addr;	/* Address  of Environment struct       */
+	unsigned long env_valid;	/* Checksum of Environment valid?       */
+	unsigned long have_console;	/* serial_init() was called */
+
+#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
+	unsigned long fb_base;	/* Base address of framebuffer memory   */
+#endif
+#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
+	unsigned long post_log_word;	/* Record POST activities */
+	unsigned long post_init_f_time;	/* When post_init_f started */
+#endif
+#ifdef CONFIG_BOARD_TYPES
+	unsigned long board_type;
+#endif
+#ifdef CONFIG_MODEM_SUPPORT
+	unsigned long do_mdm_init;
+	unsigned long be_quiet;
+#endif
+#ifdef CONFIG_LWMON
+	unsigned long kbd_status;
+#endif
+	void **jt;		/* jump table */
+} gd_t;
+
+/*
+ * Global Data Flags
+ */
+#define	GD_FLG_RELOC	0x00001	/* Code was relocated to RAM            */
+#define	GD_FLG_DEVINIT	0x00002	/* Devices have been initialized        */
+#define	GD_FLG_SILENT	0x00004	/* Silent mode                          */
+
+#define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("%g7")
+
+#endif				/* __ASM_GBL_DATA_H */

include/asm-sparc/io.h

+/* SPARC I/O definitions
+ *
+ * (C) Copyright 2007
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * 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 _SPARC_IO_H
+#define _SPARC_IO_H
+
+/* Nothing to sync, total store ordering (TSO)... */
+#define sync()
+
+/* Forces a cache miss on read/load.
+ * On some architectures we need to bypass the cache when reading
+ * I/O registers so that we are not reading the same status word
+ * over and over again resulting in a hang (until an IRQ if lucky)
+ *
+ */
+#ifndef CFG_HAS_NO_CACHE
+#define READ_BYTE(var)  SPARC_NOCACHE_READ_BYTE((unsigned int)(var))
+#define READ_HWORD(var) SPARC_NOCACHE_READ_HWORD((unsigned int)(var))
+#define READ_WORD(var)  SPARC_NOCACHE_READ((unsigned int)(var))
+#define READ_DWORD(var) SPARC_NOCACHE_READ_DWORD((unsigned int)(var))
+#else
+#define READ_BYTE(var)  (var)
+#define READ_HWORD(var) (var)
+#define READ_WORD(var)  (var)
+#define READ_DWORD(var) (var)
+#endif
+
+/*
+ * Generic virtual read/write.
+ */
+#define __arch_getb(a)			(READ_BYTE(a))
+#define __arch_getw(a)			(READ_HWORD(a))
+#define __arch_getl(a)			(READ_WORD(a))
+#define __arch_getq(a)			(READ_DWORD(a))
+
+#define __arch_putb(v,a)		(*(volatile unsigned char *)(a) = (v))
+#define __arch_putw(v,a)		(*(volatile unsigned short *)(a) = (v))
+#define __arch_putl(v,a)		(*(volatile unsigned int *)(a) = (v))
+
+#define __raw_writeb(v,a)		__arch_putb(v,a)
+#define __raw_writew(v,a)		__arch_putw(v,a)
+#define __raw_writel(v,a)		__arch_putl(v,a)
+
+#define __raw_readb(a)			__arch_getb(a)
+#define __raw_readw(a)			__arch_getw(a)
+#define __raw_readl(a)			__arch_getl(a)
+#define __raw_readq(a)			__arch_getq(a)
+
+/*
+ * Given a physical address and a length, return a virtual address
+ * that can be used to access the memory range with the caching
+ * properties specified by "flags".
+ */
+typedef unsigned long phys_addr_t;
+
+#define MAP_NOCACHE	(0)
+#define MAP_WRCOMBINE	(0)
+#define MAP_WRBACK	(0)
+#define MAP_WRTHROUGH	(0)
+
+static inline void *map_physmem(phys_addr_t paddr, unsigned long len,
+				unsigned long flags)
+{
+	return (void *)paddr;
+}
+
+/*
+ * Take down a mapping set up by map_physmem().
+ */
+static inline void unmap_physmem(void *vaddr, unsigned long flags)
+{
+
+}
+
+#endif

include/asm-sparc/irq.h

+/* IRQ functions
+ *
+ * (C) Copyright 2007
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * 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 __SPARC_IRQ_H__
+#define __SPARC_IRQ_H__
+
+#include <asm/psr.h>
+
+/* Set SPARC Processor Interrupt Level */
+extern inline void set_pil(unsigned int level)
+{
+	unsigned int psr = get_psr();
+
+	put_psr((psr & ~PSR_PIL) | ((level & 0xf) << PSR_PIL_OFS));
+}
+
+/* Get SPARC Processor Interrupt Level */
+extern inline unsigned int get_pil(void)
+{
+	unsigned int psr = get_psr();
+	return (psr & PSR_PIL) >> PSR_PIL_OFS;
+}
+
+/* Disables interrupts and return current PIL value */
+extern int intLock(void);
+
+/* Sets the PIL to oldLevel */
+extern void intUnlock(int oldLevel);
+
+#endif

include/asm-sparc/machines.h

+/* machines.h:  Defines for taking apart the machine type value in the
+ *              idprom and determining the kind of machine we are on.
+ *
+ * Taken from the SPARC port of Linux.
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com)
+ *
+ * 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 __SPARC_MACHINES_H__
+#define __SPARC_MACHINES_H__
+
+struct Sun_Machine_Models {
+	char *name;
+	unsigned char id_machtype;
+};
+
+/* Current number of machines we know about that has an IDPROM
+ * machtype entry including one entry for the 0x80 OBP machines.
+ */
+#define NUM_SUN_MACHINES   16
+
+extern struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES];
+
+/* The machine type in the idprom area looks like this:
+ *
+ * ---------------
+ * | ARCH | MACH |
+ * ---------------
+ *  7    4 3    0
+ *
+ * The ARCH field determines the architecture line (sun4, sun4c, etc).
+ * The MACH field determines the machine make within that architecture.
+ */
+
+#define SM_ARCH_MASK  0xf0
+#define SM_SUN4       0x20
+#define  M_LEON2      0x30
+#define SM_SUN4C      0x50
+#define SM_SUN4M      0x70
+#define SM_SUN4M_OBP  0x80
+
+#define SM_TYP_MASK   0x0f
+/* Sun4 machines */
+#define SM_4_260      0x01	/* Sun 4/200 series */
+#define SM_4_110      0x02	/* Sun 4/100 series */
+#define SM_4_330      0x03	/* Sun 4/300 series */
+#define SM_4_470      0x04	/* Sun 4/400 series */
+
+/* Leon machines */
+#define M_LEON2_SOC   0x01	/* Leon2 SoC */
+
+/* Sun4c machines                Full Name              - PROM NAME */
+#define SM_4C_SS1     0x01	/* Sun4c SparcStation 1   - Sun 4/60  */
+#define SM_4C_IPC     0x02	/* Sun4c SparcStation IPC - Sun 4/40  */
+#define SM_4C_SS1PLUS 0x03	/* Sun4c SparcStation 1+  - Sun 4/65  */
+#define SM_4C_SLC     0x04	/* Sun4c SparcStation SLC - Sun 4/20  */
+#define SM_4C_SS2     0x05	/* Sun4c SparcStation 2   - Sun 4/75  */
+#define SM_4C_ELC     0x06	/* Sun4c SparcStation ELC - Sun 4/25  */
+#define SM_4C_IPX     0x07	/* Sun4c SparcStation IPX - Sun 4/50  */
+
+/* Sun4m machines, these predate the OpenBoot.  These values only mean
+ * something if the value in the ARCH field is SM_SUN4M, if it is
+ * SM_SUN4M_OBP then you have the following situation:
+ * 1) You either have a sun4d, a sun4e, or a recently made sun4m.
+ * 2) You have to consult OpenBoot to determine which machine this is.
+ */
+#define SM_4M_SS60    0x01	/* Sun4m SparcSystem 600                  */
+#define SM_4M_SS50    0x02	/* Sun4m SparcStation 10                  */
+#define SM_4M_SS40    0x03	/* Sun4m SparcStation 5                   */
+
+/* Sun4d machines -- N/A */
+/* Sun4e machines -- N/A */
+/* Sun4u machines -- N/A */
+
+#endif				/* !(_SPARC_MACHINES_H) */

include/asm-sparc/page.h

+/* page.h:  Various defines and such for MMU operations on the Sparc for
+ *          the Linux kernel.
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com)
+ *
+ * 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 _SPARC_PAGE_H
+#define _SPARC_PAGE_H
+
+#include <linux/config.h>
+#ifdef CONFIG_SUN4
+#define PAGE_SHIFT   13
+#else
+#define PAGE_SHIFT   12
+#endif
+
+#ifndef __ASSEMBLY__
+/* I have my suspicions... -DaveM */
+#define PAGE_SIZE    (1UL << PAGE_SHIFT)
+#else
+#define PAGE_SIZE    (1 << PAGE_SHIFT)
+#endif
+
+#define PAGE_MASK    (~(PAGE_SIZE-1))
+
+#endif				/* _SPARC_PAGE_H */

include/asm-sparc/posix_types.h

+/*
+ * (C) Copyright 2000 - 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2007, taken from asm-ppc/posix_types.h
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * 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 __SPARC_POSIX_TYPES_H__
+#define __SPARC_POSIX_TYPES_H__
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc.  Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned int __kernel_dev_t;
+typedef unsigned int __kernel_ino_t;
+typedef unsigned int __kernel_mode_t;
+typedef unsigned short __kernel_nlink_t;
+typedef long __kernel_off_t;
+typedef int __kernel_pid_t;
+typedef unsigned int __kernel_uid_t;
+typedef unsigned int __kernel_gid_t;
+typedef unsigned int __kernel_size_t;
+typedef int __kernel_ssize_t;
+typedef long __kernel_ptrdiff_t;
+typedef long __kernel_time_t;
+typedef long __kernel_suseconds_t;
+typedef long __kernel_clock_t;
+typedef int __kernel_daddr_t;
+typedef char *__kernel_caddr_t;
+typedef short __kernel_ipc_pid_t;
+typedef unsigned short __kernel_uid16_t;
+typedef unsigned short __kernel_gid16_t;
+typedef unsigned int __kernel_uid32_t;
+typedef unsigned int __kernel_gid32_t;
+
+typedef unsigned int __kernel_old_uid_t;
+typedef unsigned int __kernel_old_gid_t;
+
+#ifdef __GNUC__
+typedef long long __kernel_loff_t;
+#endif
+
+typedef struct {
+	int val[2];
+} __kernel_fsid_t;
+
+#ifndef __GNUC__
+
+#define	__FD_SET(d, set)	((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
+#define	__FD_CLR(d, set)	((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
+#define	__FD_ISSET(d, set)	((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
+#define	__FD_ZERO(set)	\
+  ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
+
+#else				/* __GNUC__ */
+
+#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) \
+    || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 0)
+/* With GNU C, use inline functions instead so args are evaluated only once: */
+
+#undef __FD_SET
+static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set * fdsetp)
+{
+	unsigned long _tmp = fd / __NFDBITS;
+	unsigned long _rem = fd % __NFDBITS;
+	fdsetp->fds_bits[_tmp] |= (1UL << _rem);
+}
+
+#undef __FD_CLR
+static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set * fdsetp)
+{
+	unsigned long _tmp = fd / __NFDBITS;
+	unsigned long _rem = fd % __NFDBITS;
+	fdsetp->fds_bits[_tmp] &= ~(1UL << _rem);
+}
+
+#undef __FD_ISSET
+static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set * p)
+{
+	unsigned long _tmp = fd / __NFDBITS;
+	unsigned long _rem = fd % __NFDBITS;
+	return (p->fds_bits[_tmp] & (1UL << _rem)) != 0;
+}
+
+/*
+ * This will unroll the loop for the normal constant case (8 ints,
+ * for a 256-bit fd_set)
+ */
+#undef __FD_ZERO
+static __inline__ void __FD_ZERO(__kernel_fd_set * p)
+{
+	unsigned int *tmp = (unsigned int *)p->fds_bits;
+	int i;
+
+	if (__builtin_constant_p(__FDSET_LONGS)) {
+		switch (__FDSET_LONGS) {
+		case 8:
+			tmp[0] = 0;
+			tmp[1] = 0;
+			tmp[2] = 0;
+			tmp[3] = 0;
+			tmp[4] = 0;
+			tmp[5] = 0;
+			tmp[6] = 0;
+			tmp[7] = 0;
+			return;
+		}
+	}
+	i = __FDSET_LONGS;
+	while (i) {
+		i--;
+		*tmp = 0;
+		tmp++;
+	}
+}
+
+#endif				/* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
+#endif				/* __GNUC__ */
+#endif				/* _SPARC_POSIX_TYPES_H */

include/asm-sparc/processor.h

+/* SPARC Processor specifics
+ * taken from the SPARC port of Linux (ptrace.h).
+ *
+ * (C) Copyright 2007
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * 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 __ASM_SPARC_PROCESSOR_H
+#define __ASM_SPARC_PROCESSOR_H
+
+#include <asm/arch/asi.h>
+
+/* Includeprocessor specific header file here */
+#error Unknown SPARC Processor
+
+#ifndef __ASSEMBLY__
+
+/* flush data cache */
+static __inline__ void sparc_dcache_flush_all(void)
+{
+      __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_DFLUSH):"memory");
+}
+
+/* flush instruction cache */
+static __inline__ void sparc_icache_flush_all(void)
+{
+      __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_IFLUSH):"memory");
+}
+
+/* do a cache miss load */
+static __inline__ unsigned long long sparc_load_reg_cachemiss_qword(unsigned
+								    long paddr)
+{
+	unsigned long long retval;
+	__asm__ __volatile__("ldda [%1] %2, %0\n\t":
+			     "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS));
+	return retval;
+}
+
+static __inline__ unsigned long sparc_load_reg_cachemiss(unsigned long paddr)
+{
+	unsigned long retval;
+	__asm__ __volatile__("lda [%1] %2, %0\n\t":
+			     "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS));
+	return retval;
+}
+
+static __inline__ unsigned short sparc_load_reg_cachemiss_word(unsigned long
+							       paddr)
+{
+	unsigned short retval;
+	__asm__ __volatile__("lduha [%1] %2, %0\n\t":
+			     "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS));
+	return retval;
+}
+
+static __inline__ unsigned char sparc_load_reg_cachemiss_byte(unsigned long
+							      paddr)
+{
+	unsigned char retval;
+	__asm__ __volatile__("lduba [%1] %2, %0\n\t":
+			     "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS));
+	return retval;
+}
+
+/* do a physical address bypass write, i.e. for 0x80000000 */
+static __inline__ void sparc_store_reg_bypass(unsigned long paddr,
+					      unsigned long value)
+{
+	__asm__ __volatile__("sta %0, [%1] %2\n\t"::"r"(value), "r"(paddr),
+			     "i"(ASI_BYPASS):"memory");
+}
+
+static __inline__ unsigned long sparc_load_reg_bypass(unsigned long paddr)
+{
+	unsigned long retval;
+	__asm__ __volatile__("lda [%1] %2, %0\n\t":
+			     "=r"(retval):"r"(paddr), "i"(ASI_BYPASS));
+	return retval;
+}
+
+/* Macros for bypassing cache when reading */
+#define SPARC_NOCACHE_READ_DWORD(address) sparc_load_reg_cachemiss_qword((unsigned int)(address))
+#define SPARC_NOCACHE_READ(address)       sparc_load_reg_cachemiss((unsigned int)(address))
+#define SPARC_NOCACHE_READ_HWORD(address) sparc_load_reg_cachemiss_word((unsigned int)(address))
+#define SPARC_NOCACHE_READ_BYTE(address)  sparc_load_reg_cachemiss_byte((unsigned int)(address))
+
+#define SPARC_BYPASS_READ(address)        sparc_load_reg_bypass((unsigned int)(address))
+#define SPARC_BYPASS_WRITE(address,value) sparc_store_reg_bypass((unsigned int)(address),(unsigned int)(value))
+
+#endif
+
+#endif				/* __ASM_SPARC_PROCESSOR_H */