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Re: [PATCH, OR1K] libgloss boards

From: Stefan Wallentowitz <stefan dot wallentowitz at tum dot de>
To: Jeff Johnston <jjohnstn at redhat dot com>
Cc: newlib at sourceware dot org
Date: Fri, 12 Dec 2014 22:23:52 +0100
Subject: Re: [PATCH, OR1K] libgloss boards
Authentication-results: sourceware.org; auth=none
References: <5489C99C dot 3010607 at tum dot de> <1794136253 dot 764148 dot 1418416681128 dot JavaMail dot zimbra at redhat dot com>

On 12.12.2014 21:38, Jeff Johnston wrote:

Please add licenses to the tmp files that have none.

Thanks,

-- Jeff J.

Hi,

I was not sure if the template stubs need license. Added BSD in thepatch attached.


Thanks,
Stefan

commit 88f7d3e184806cf339ca018d162c45423931e2e7
Author: Stefan Wallentowitz <stefan.wallentowitz@tum.de>
Date:   Thu Dec 11 16:52:59 2014 +0100

    OR1K: Boards
    
    Some pre-defined boards define their memory size, uart base address
    and provide init/exit hooks.
    
    libgloss/Changelog:
    	* or1k/Makefile.in: Build and install board libraries
    	* or1k/board.h: New file
    	* or1k/boards/README: New file
    	* or1k/boards/atlys.S: New file
    	* or1k/boards/de0_nano.S: New file
    	* or1k/boards/ml501.S: New file
    	* or1k/boards/ml509.S: New file
    	* or1k/boards/optimsoc.S: New file
    	* or1k/boards/or1ksim-uart.S: New file
    	* or1k/boards/or1ksim.S: New file
    	* or1k/boards/ordb1a3pe1500.S: New file
    	* or1k/boards/ordb2a.S: New file
    	* or1k/boards/orpsocrefdesign.S: New file
    	* or1k/boards/tmpl.S: New file
    	* or1k/boards/tmpl.c: New file

diff --git a/libgloss/or1k/Makefile.in b/libgloss/or1k/Makefile.in
index 59d385c..f7d138c 100644
--- a/libgloss/or1k/Makefile.in
+++ b/libgloss/or1k/Makefile.in
@@ -74,10 +74,23 @@ COMMON_FILES = syscalls \
 LIBOR1K_FILES = $(COMMON_FILES)
 LIBOR1K_OBJS = $(addsuffix .o,$(LIBOR1K_FILES))
 
+BOARDS = atlys \
+	de0_nano \
+	ml501 \
+	optimsoc \
+	or1ksim \
+	or1ksim-uart \
+	ordb1a3pe1500 \
+	ordb2a \
+	orpsocrefdesign
+
+BOARD_LIBS = $(addprefix libboard-,$(addsuffix .a,$(BOARDS)))
+BOARD_OBJS = $(addprefix libboard-,$(addsuffix .o,$(BOARDS)))
+
 GCC_LDFLAGS = `if [ -d ${objroot}/../gcc ] ; \
 	then echo -L${objroot}/../gcc ; fi`
 
-OUTPUTS = libor1k.a crt0.o
+OUTPUTS = libor1k.a crt0.o ${BOARD_LIBS}
 
 # Host specific makefile fragment comes in here.
 @host_makefile_frag@
@@ -93,6 +106,16 @@ libor1k.a: $(LIBOR1K_OBJS)
 	${AR} ${ARFLAGS} $@ $(LIBOR1K_OBJS)
 	${RANLIB} $@
 
+libboard-%.o: boards/%.S
+	${CC} ${CFLAGS} -o $@ -c $<
+
+libboard-%.o: boards/%.c
+	${CC} ${CFLAGS} -o $@ -c $<
+
+libboard-%.a: libboard-%.o
+	${AR} ${ARFLAGS} $@ $<
+	${RANLIB} $@
+
 doc:
 
 clean mostlyclean:
diff --git a/libgloss/or1k/board.h b/libgloss/or1k/board.h
new file mode 100644
index 0000000..d6b51bf
--- /dev/null
+++ b/libgloss/or1k/board.h
@@ -0,0 +1,35 @@
+/* board.h -- board variable definitions for OpenRISC 1000.
+ *
+ * Copyright (c) 2014 Authors
+ *
+ * Contributor Stefan Wallentowitz <stefan.wallentowitz@tum.de>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#ifndef __BOARD_H__
+#define __BOARD_H__
+
+#include <stdint.h>
+
+extern void* _or1k_board_mem_base;
+extern uint32_t _or1k_board_mem_size;
+extern uint32_t _or1k_board_clk_freq;
+
+extern uint32_t _or1k_board_uart_base;
+extern uint32_t  _or1k_board_uart_baud;
+extern uint32_t _or1k_board_uart_IRQ;
+
+extern void _or1k_board_exit(void);
+extern void _or1k_board_init_early(void);
+extern void _or1k_board_init(void);
+
+#endif // __BOARD_H__
diff --git a/libgloss/or1k/boards/README b/libgloss/or1k/boards/README
new file mode 100644
index 0000000..b6c5abf
--- /dev/null
+++ b/libgloss/or1k/boards/README
@@ -0,0 +1,65 @@
+# Add a new board
+
+Before adding a new board, you may consider if your board can use another
+board definition and simply overwrite the weak symbols.
+
+If you think it is worth adding a new board, you need to perform the following
+steps:
+
+ * Decide for a meaningful board name (refered to as <board> below). It should
+   be specific enough (not openrisc..), but be rather generic if it may cover
+   similar boards as well.
+ 
+ * Create a file <board>.S (assembler) or <board>.c (C). Of course, C is easier
+   to write and you can implement everything in C, but there are restrictions:
+   
+    * There is an early initialization function. It is called before the C
+      library and even the stack are initialized. A default implementation skips
+      this step, so everything will compile, but if you really need
+      initialization that early you are bound to assembly language.
+      
+    * You essentially should not use the C library functions as this may lead to
+      link issues and circular dependencies.
+      
+   You can copy board_tmpl.S or board_tmpl.c as starting point for your board.
+   
+ * The following symbols must be defined in your board file:
+ 
+    * _or1k_board_mem_base: Memory base address
+    
+    * _or1k_board_mem_size: Memory size
+    
+    * _or1k_board_clk_freq: Clock frequency
+    
+    * _or1k_board_uart_base: UART base address. Set to 0 if no UART present.
+    
+    * _or1k_board_uart_baud: UART baud rate. Only used if UART base is > 0
+    
+    * _or1k_board_uart_IRQ: UART interrupt line. Only used if UART base is > 0
+    
+   You can define a weak attribute for all of the symbols so that they can
+   be overwritten by the user (more flexibility).
+   
+ * The following functions need to be implemented:
+ 
+   * _or1k_board_init: Is called after C library initialization and UART
+       initialization.
+       
+   * _or1k_board_exit: Is called after the program has exited and the C library
+       finished all deconstructions etc.
+       
+   Similar to the symbols you can define those functions weak.
+ 
+ * The following functions can be implemented: 
+ 
+   * _or1k_board_init_early: Only in assembly (see above). Is called before
+       anything is initialized, not even the stack! You can use all registers
+       in this function. The default implementation in crt0.S skips this step,
+       which is fine in most cases. If you decide to implement it, you need to
+       define it with the global attribute to overwrite the default
+       implementation. It is recommended to do so in assembler board files to
+       keep the ability to overwrite the default implementation by the user.
+
+When you are done with your board, add it to libgloss/or1k/Makefile.in to the
+BOARDS variable and compile.
+
diff --git a/libgloss/or1k/boards/atlys.S b/libgloss/or1k/boards/atlys.S
new file mode 100644
index 0000000..544504a
--- /dev/null
+++ b/libgloss/or1k/boards/atlys.S
@@ -0,0 +1,55 @@
+/* atlys.S -- Support for the Atlys board.
+ *
+ * Copyright (c) 2012 Authors
+ *
+ * Contributor Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "../include/or1k-asm.h"
+#include "../include/or1k-nop.h"
+
+/*
+ * Define symbols to be used during startup - file is linked at compile time
+ *
+ */
+.weak _or1k_board_mem_base
+.weak _or1k_board_mem_size
+.weak _or1k_board_clk_freq
+
+_or1k_board_mem_base:	.long	0x0
+_or1k_board_mem_size:	.long	0x2000000
+
+_or1k_board_clk_freq:	.long	50000000
+
+/* Peripheral information - Set base to 0 if not present*/
+.weak _or1k_board_uart_base
+.weak _or1k_board_uart_baud
+.weak _or1k_board_uart_IRQ
+
+_or1k_board_uart_base:	.long	0x90000000
+_or1k_board_uart_baud:	.long	115200
+_or1k_board_uart_IRQ:	.long	2
+
+.weak _or1k_board_exit
+_or1k_board_exit:
+	l.nop OR1K_NOP_K_EXIT_QUIET
+.Lexitloop:
+	OR1K_DELAYED_NOP(l.j .Lexitloop)
+
+.global _or1k_board_init_early
+_or1k_board_init_early:
+	OR1K_DELAYED_NOP(l.jr r9)
+
+.weak _or1k_board_init
+_or1k_board_init:
+	OR1K_DELAYED_NOP(l.jr r9)
diff --git a/libgloss/or1k/boards/de0_nano.S b/libgloss/or1k/boards/de0_nano.S
new file mode 100644
index 0000000..28686d1
--- /dev/null
+++ b/libgloss/or1k/boards/de0_nano.S
@@ -0,0 +1,57 @@
+/* de0_nano.S -- Support for the DE0 nano board.
+ *
+ * Copyright (c) 2012 Authors
+ *
+ * Contributor Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "../include/or1k-asm.h"
+#include "../include/or1k-nop.h"
+
+/*
+ * Define symbols to be used during startup - file is linked at compile time
+ *
+ */
+.weak _or1k_board_mem_base
+.weak _or1k_board_mem_size
+.weak _or1k_board_clk_freq
+
+_or1k_board_mem_base:	.long	0x0
+_or1k_board_mem_size:	.long	0x2000000
+
+_or1k_board_clk_freq:	.long	50000000
+
+/* Peripheral information - Set base to 0 if not present*/
+.weak _or1k_board_uart_base
+.weak _or1k_board_uart_baud
+.weak _or1k_board_uart_IRQ
+
+_or1k_board_uart_base:	.long	0x90000000
+_or1k_board_uart_baud:	.long	115200
+_or1k_board_uart_IRQ:	.long	2
+
+.weak _or1k_board_exit
+_or1k_board_exit:
+	l.nop OR1K_NOP_K_EXIT_QUIET
+.Lexitloop:
+	OR1K_DELAYED_NOP(l.j .Lexitloop)
+
+.global _or1k_board_init_early
+_or1k_board_init_early:
+	OR1K_DELAYED_NOP(l.jr r9)
+
+.weak _or1k_board_init
+_or1k_board_init:
+	OR1K_DELAYED_NOP(l.jr r9)
+
+
diff --git a/libgloss/or1k/boards/ml501.S b/libgloss/or1k/boards/ml501.S
new file mode 100644
index 0000000..98373d7
--- /dev/null
+++ b/libgloss/or1k/boards/ml501.S
@@ -0,0 +1,55 @@
+/* ml501.S -- Support for the Xilinx ML501 board.
+ *
+ * Copyright (c) 2011 Authors
+ *
+ * Contributor Julius Baxter <juliusbaxter@gmail.com>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "../include/or1k-asm.h"
+#include "../include/or1k-nop.h"
+
+/*
+ * Define symbols to be used during startup - file is linked at compile time
+ *
+ */
+.weak _or1k_board_mem_base
+.weak _or1k_board_mem_size
+.weak _or1k_board_clk_freq
+
+_or1k_board_mem_base:	.long	0x0
+_or1k_board_mem_size:	.long	0x800000
+
+_or1k_board_clk_freq:	.long	66666666
+	
+/* Peripheral information - Set base to 0 if not present*/
+.weak _or1k_board_uart_base
+.weak _or1k_board_uart_baud
+.weak _or1k_board_uart_IRQ
+	
+_or1k_board_uart_base:	.long	0x90000000
+_or1k_board_uart_baud:	.long	115200
+_or1k_board_uart_IRQ:	.long	2
+
+.weak _or1k_board_exit
+_or1k_board_exit:
+	l.nop OR1K_NOP_K_EXIT_QUIET
+.Lexitloop:
+	OR1K_DELAYED_NOP(l.j .Lexitloop)
+
+.global _or1k_board_init_early
+_or1k_board_init_early:
+	OR1K_DELAYED_NOP(l.jr r9)
+
+.weak _or1k_board_init
+_or1k_board_init:
+	OR1K_DELAYED_NOP(l.jr r9)
diff --git a/libgloss/or1k/boards/ml509.S b/libgloss/or1k/boards/ml509.S
new file mode 100644
index 0000000..c31be3b
--- /dev/null
+++ b/libgloss/or1k/boards/ml509.S
@@ -0,0 +1,55 @@
+/* ml509.S -- Support for the Xilinx ML509 board (XUPV5).
+ *
+ * Copyright (c) 2014 Authors
+ *
+ * Contributor Matthew Hicks <firefalcon@gmail.com>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "../include/or1k-asm.h"
+#include "../include/or1k-nop.h"
+
+/*
+ * Define symbols to be used during startup - file is linked at compile time
+ *
+ */
+.weak _or1k_board_mem_base
+.weak _or1k_board_mem_size
+.weak _or1k_board_clk_freq
+
+_or1k_board_mem_base:	.long	0x0
+_or1k_board_mem_size:	.long	0x08000000
+
+_or1k_board_clk_freq:	.long	50000000
+
+/* Peripheral information - Set base to 0 if not present*/
+.weak _or1k_board_uart_base
+.weak _or1k_board_uart_baud
+.weak _or1k_board_uart_IRQ
+
+_or1k_board_uart_base:	.long	0x90000000
+_or1k_board_uart_baud:	.long	115200
+_or1k_board_uart_IRQ:	.long	2
+
+.weak _or1k_board_exit
+_or1k_board_exit:
+	l.nop OR1K_NOP_K_EXIT_QUIET
+.Lexitloop:
+	OR1K_DELAYED_NOP(l.j .Lexitloop)
+
+.global _or1k_board_init_early
+_or1k_board_init_early:
+	OR1K_DELAYED_NOP(l.jr r9)
+
+.weak _or1k_board_init
+_or1k_board_init:
+	OR1K_DELAYED_NOP(l.jr r9)
diff --git a/libgloss/or1k/boards/optimsoc.S b/libgloss/or1k/boards/optimsoc.S
new file mode 100644
index 0000000..a849372
--- /dev/null
+++ b/libgloss/or1k/boards/optimsoc.S
@@ -0,0 +1,68 @@
+/* optimsoc.S -- Support for OpTiMSoC systems.
+ *
+ * Copyright (c) 2014 Authors
+ *
+ * Contributor Stefan Wallentowitz <stefan.wallentowitz@saunalahti.fi>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "../include/or1k-asm.h"
+#include "../include/or1k-nop.h"
+
+#define OPTIMSOC_NA_BASE 0xe0000000
+
+#define OPTIMSOC_NA_REGS       OPTIMSOC_NA_BASE + 0x00000
+#define OPTIMSOC_NA_LMEM_SIZE  OPTIMSOC_NA_REGS + 0x24
+
+/*
+ * Define symbols to be used during startup - file is linked at compile time
+ *
+ */
+.weak _or1k_board_mem_base
+.weak _or1k_board_mem_size
+.weak _or1k_board_clk_freq
+
+_or1k_board_mem_base:	.long	0x0
+_or1k_board_mem_size:	.long	0x0
+
+_or1k_board_clk_freq:	.long	50000000
+
+.weak _or1k_board_uart_base
+.weak _or1k_board_uart_baud
+.weak _or1k_board_uart_IRQ
+_or1k_board_uart_base:	.long	0x0
+_or1k_board_uart_baud:	.long	0
+_or1k_board_uart_IRQ:	.long	0
+
+.weak _or1k_board_exit
+_or1k_board_exit:
+	l.nop OR1K_NOP_K_EXIT
+.Lexitloop:
+	OR1K_DELAYED_NOP(l.j .Lexitloop)
+
+.global _or1k_board_init_early
+_or1k_board_init_early:
+#ifndef __OR1K_MULTICORE__
+	l.nop	0x1
+.die:
+	OR1K_DELAYED_NOP(l.j die)
+#endif
+	l.movhi	r1,hi(OPTIMSOC_NA_LMEM_SIZE)
+	l.ori	r1,r1,lo(OPTIMSOC_NA_LMEM_SIZE)
+	l.lwz	r1,0(r1)
+	l.movhi	r2,hi(_or1k_board_mem_size)
+	l.ori	r2,r2,lo(_or1k_board_mem_size)
+	l.sw	0(r2),r1
+
+.weak _or1k_board_init
+_or1k_board_init:
+	OR1K_DELAYED_NOP(l.jr r9)
diff --git a/libgloss/or1k/boards/or1ksim-uart.S b/libgloss/or1k/boards/or1ksim-uart.S
new file mode 100644
index 0000000..561ace3
--- /dev/null
+++ b/libgloss/or1k/boards/or1ksim-uart.S
@@ -0,0 +1,55 @@
+/* or1ksim-uart.S -- Support for or1ksim with UART support.
+ *
+ * Copyright (c) 2011 Authors
+ *
+ * Contributor Julius Baxter <juliusbaxter@gmail.com>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "../include/or1k-asm.h"
+#include "../include/or1k-nop.h"
+
+/*
+ * Define symbols to be used during startup - file is linked at compile time
+ *
+ */
+
+.weak _or1k_board_mem_base
+.weak _or1k_board_mem_size
+.weak _or1k_board_clk_freq
+
+_or1k_board_mem_base:	.long	0x0
+_or1k_board_mem_size:	.long	0x800000
+_or1k_board_clk_freq:	.long	100000000
+
+/* Peripheral information - Set base to 0 if not present*/
+.weak _or1k_board_uart_base
+.weak _or1k_board_uart_baud
+.weak _or1k_board_uart_IRQ
+	
+_or1k_board_uart_base:	.long	0x90000000
+_or1k_board_uart_baud:	.long	115200
+_or1k_board_uart_IRQ:	.long	2
+
+.weak _or1k_board_exit
+_or1k_board_exit:
+	l.nop OR1K_NOP_K_EXIT_QUIET
+.Lexitloop:
+	OR1K_DELAYED_NOP(l.j .Lexitloop)
+
+.global _or1k_board_init_early
+_or1k_board_init_early:
+	OR1K_DELAYED_NOP(l.jr r9)
+
+.weak _or1k_board_init
+_or1k_board_init:
+	OR1K_DELAYED_NOP(l.jr r9)
diff --git a/libgloss/or1k/boards/or1ksim.S b/libgloss/or1k/boards/or1ksim.S
new file mode 100644
index 0000000..946778a
--- /dev/null
+++ b/libgloss/or1k/boards/or1ksim.S
@@ -0,0 +1,56 @@
+/* or1ksim.S -- Support for or1ksim.
+ *
+ * Copyright (c) 2011 Authors
+ *
+ * Contributor Julius Baxter <juliusbaxter@gmail.com>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "../include/or1k-asm.h"
+#include "../include/or1k-nop.h"
+
+/*
+ * Define symbols to be used during startup - file is linked at compile time
+ *
+ */
+.weak _or1k_board_mem_base
+.weak _or1k_board_mem_size
+.weak _or1k_board_clk_freq
+	
+_or1k_board_mem_base:	.long	0x0
+_or1k_board_mem_size:	.long	0x800000
+
+_or1k_board_clk_freq:	.long	100000000
+	
+/* Peripheral information - Set base to 0 if not present*/
+.weak _or1k_board_uart_base
+.weak _or1k_board_uart_baud
+.weak _or1k_board_uart_IRQ
+	
+_or1k_board_uart_base:	.long	0x0
+_or1k_board_uart_baud:	.long	115200
+_or1k_board_uart_IRQ:	.long	13
+	
+.weak _or1k_board_exit
+_or1k_board_exit:
+	l.nop OR1K_NOP_K_EXIT_QUIET
+.Lexitloop:
+	OR1K_DELAYED_NOP(l.j .Lexitloop)
+
+.global _or1k_board_init_early
+_or1k_board_init_early:
+	OR1K_DELAYED_NOP(l.jr r9)
+
+.weak _or1k_board_init
+_or1k_board_init:
+	OR1K_DELAYED_NOP(l.jr r9)
+
diff --git a/libgloss/or1k/boards/ordb1a3pe1500.S b/libgloss/or1k/boards/ordb1a3pe1500.S
new file mode 100644
index 0000000..47b8e54
--- /dev/null
+++ b/libgloss/or1k/boards/ordb1a3pe1500.S
@@ -0,0 +1,55 @@
+/* ordb1a3pe1500.S -- Support for orpsocv2 Actel board.
+ *
+ * Copyright (c) 2011 Authors
+ *
+ * Contributor Julius Baxter <juliusbaxter@gmail.com>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "../include/or1k-asm.h"
+#include "../include/or1k-nop.h"
+
+/*
+ * Define symbols to be used during startup - file is linked at compile time
+ *
+ */
+.weak _or1k_board_mem_base
+.weak _or1k_board_mem_size
+.weak _or1k_board_clk_freq
+
+_or1k_board_mem_base:	.long	0x0
+_or1k_board_mem_size:	.long	0x02000000
+
+_or1k_board_clk_freq:	.long	20000000
+	
+/* Peripheral information - Set base to 0 if not present*/
+.weak _or1k_board_uart_base
+.weak _or1k_board_uart_baud
+.weak _or1k_board_uart_IRQ
+	
+_or1k_board_uart_base:	.long	0x90000000
+_or1k_board_uart_baud:	.long	115200
+_or1k_board_uart_IRQ:	.long	2
+
+.weak _or1k_board_exit
+_or1k_board_exit:
+	l.nop OR1K_NOP_K_EXIT_QUIET
+.Lexitloop:
+	OR1K_DELAYED_NOP(l.j .Lexitloop)
+
+.global _or1k_board_init_early
+_or1k_board_init_early:
+	OR1K_DELAYED_NOP(l.jr r9)
+
+.weak _or1k_board_init
+_or1k_board_init:
+	OR1K_DELAYED_NOP(l.jr r9)
diff --git a/libgloss/or1k/boards/ordb2a.S b/libgloss/or1k/boards/ordb2a.S
new file mode 100644
index 0000000..9ba23a3
--- /dev/null
+++ b/libgloss/or1k/boards/ordb2a.S
@@ -0,0 +1,55 @@
+/* ordb2a.S -- Support for the new OpenRISC ORPSoC reference design.
+ *
+ * Copyright (c) 2012 Authors
+ *
+ * Contributor Olof Kindgren <olof.kindgren@gmail.com>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "../include/or1k-asm.h"
+#include "../include/or1k-nop.h"
+
+/*
+ * Define symbols to be used during startup - file is linked at compile time
+ * Olof Kindgren olof at opencores.org
+ */
+.weak _or1k_board_mem_base
+.weak _or1k_board_mem_size
+.weak _or1k_board_clk_freq
+
+_or1k_board_mem_base:	.long	0x0
+_or1k_board_mem_size:	.long	0x02000000
+
+_or1k_board_clk_freq:	.long	50000000
+
+/* Peripheral information - Set base to 0 if not present*/
+.weak _or1k_board_uart_base
+.weak _or1k_board_uart_baud
+.weak _or1k_board_uart_IRQ
+
+_or1k_board_uart_base:	.long	0x90000000
+_or1k_board_uart_baud:	.long	115200
+_or1k_board_uart_IRQ:	.long	2
+
+.weak _or1k_board_exit
+_or1k_board_exit:
+	l.nop OR1K_NOP_K_EXIT_QUIET
+.Lexitloop:
+	OR1K_DELAYED_NOP(l.j .Lexitloop)
+
+.global _or1k_board_init_early
+_or1k_board_init_early:
+	OR1K_DELAYED_NOP(l.jr r9)
+
+.weak _or1k_board_init
+_or1k_board_init:
+	OR1K_DELAYED_NOP(l.jr r9)
diff --git a/libgloss/or1k/boards/orpsocrefdesign.S b/libgloss/or1k/boards/orpsocrefdesign.S
new file mode 100644
index 0000000..331f96b
--- /dev/null
+++ b/libgloss/or1k/boards/orpsocrefdesign.S
@@ -0,0 +1,55 @@
+/* orpsocrefdesign.S -- Support for the orpsoc reference design.
+ *
+ * Copyright (c) 2011 Authors
+ *
+ * Contributor Julius Baxter <juliusbaxter@gmail.com>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "../include/or1k-asm.h"
+#include "../include/or1k-nop.h"
+
+/*
+ * Define symbols to be used during startup - file is linked at compile time
+ *
+ */
+.weak _or1k_board_mem_base
+.weak _or1k_board_mem_size
+.weak _or1k_board_clk_freq
+
+_or1k_board_mem_base:	.long	0x0
+_or1k_board_mem_size:	.long	0x800000
+
+_or1k_board_clk_freq:	.long	50000000
+	
+/* Peripheral information - Set base to 0 if not present*/
+.weak _or1k_board_uart_base
+.weak _or1k_board_uart_baud
+.weak _or1k_board_uart_IRQ
+	
+_or1k_board_uart_base:	.long	0
+_or1k_board_uart_baud:	.long	115200
+_or1k_board_uart_IRQ:	.long	2
+
+.weak _or1k_board_exit
+_or1k_board_exit:
+	l.nop OR1K_NOP_K_EXIT_QUIET
+.Lexitloop:
+	OR1K_DELAYED_NOP(l.j .Lexitloop)
+
+.global _or1k_board_init_early
+_or1k_board_init_early:
+	OR1K_DELAYED_NOP(l.jr r9)
+
+.weak _or1k_board_init
+_or1k_board_init:
+	OR1K_DELAYED_NOP(l.jr r9)
diff --git a/libgloss/or1k/boards/tmpl.S b/libgloss/or1k/boards/tmpl.S
new file mode 100644
index 0000000..523ecef
--- /dev/null
+++ b/libgloss/or1k/boards/tmpl.S
@@ -0,0 +1,60 @@
+/* tmpl.S -- Template for new boards.
+ *
+ * Copyright (c) 2014 Authors
+ *
+ * Contributor Stefan Wallentowitz <stefan.wallentowitz@saunalahti.fi>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "../include/or1k-asm.h"
+#include "../include/or1k-nop.h"
+
+/*
+ * Define symbols to be used during startup - file is linked at compile time
+ *
+ */
+.weak _or1k_board_mem_base
+.weak _or1k_board_mem_size
+.weak _or1k_board_clk_freq
+
+// TODO: set memory base here
+_or1k_board_mem_base:	.long	0x0
+// TODO: set memory size here
+_or1k_board_mem_size:	.long	0x0
+
+// TODO: set board clock frequency here
+_or1k_board_clk_freq:	.long	50000000
+
+// TODO: UART configuration
+.weak _or1k_board_uart_base
+.weak _or1k_board_uart_baud
+.weak _or1k_board_uart_IRQ
+_or1k_board_uart_base:	.long	0x0
+_or1k_board_uart_baud:	.long	0
+_or1k_board_uart_IRQ:	.long	0
+
+// TODO: Board exit function, default: loop
+.weak _or1k_board_exit
+_or1k_board_exit:
+	l.nop OR1K_NOP_EXIT_SILENT
+.Lexitloop:
+	OR1K_DELAYED_NOP(l.j .Lexitloop)
+
+// TODO: Early initialization (if really needed!)
+.global _or1k_board_init_early
+_or1k_board_init_early:
+	OR1K_DELAYED_NOP(l.jr r9)
+
+// TODO: Board initialization
+.weak _or1k_board_init
+_or1k_board_init:
+	OR1K_DELAYED_NOP(l.jr r9)
diff --git a/libgloss/or1k/boards/tmpl.c b/libgloss/or1k/boards/tmpl.c
new file mode 100644
index 0000000..ffc7258
--- /dev/null
+++ b/libgloss/or1k/boards/tmpl.c
@@ -0,0 +1,40 @@
+/* tmpl.c -- Template for new boards.
+ *
+ * Copyright (c) 2014 Authors
+ *
+ * Contributor Stefan Wallentowitz <stefan.wallentowitz@saunalahti.fi>
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+// TODO: set memory base here
+unsigned long __attribute__((weak)) _or1k_board_mem_base = 0x0;
+
+// TODO: set memory size here
+unsigned long __attribute__((weak)) _or1k_board_mem_size = 0x0;
+
+// TODO: set board clock frequency here
+unsigned long __attribute__((weak)) _or1k_board_clk_freq = 0x0;
+
+// TODO: UART configuration
+unsigned long __attribute__((weak)) _or1k_board_uart_base = 0x0;
+unsigned long __attribute__((weak)) _or1k_board_uart_baud = 0x0;
+unsigned long __attribute__((weak)) _or1k_board_uart_IRQ = 0x0;
+
+// TODO: Board exit function, default: loop
+void __attribute__((weak)) _or1k_board_exit(void) {
+	while (1) {}
+}
+
+// TODO: Board initialization
+void __attribute__((weak)) _or1k_board_init(void) {
+	return;
+}

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Follow-Ups:
- Re: [PATCH, OR1K] libgloss boards
  - From: Jeff Johnston

References:
- [PATCH, OR1K] libgloss boards
  - From: Stefan Wallentowitz
- Re: [PATCH, OR1K] libgloss boards
  - From: Jeff Johnston

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