Move lib_$ARCH directories to arch/$ARCH/lib

Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk

This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

9 files changed, 0 insertions, 580 deletions

diff --git a/lib_nios2/Makefile b/lib_nios2/Makefile
deleted file mode 100644
index b69bc38..0000000
--- a/lib_nios2/Makefile
+++ /dev/null
@@ -1,49 +0,0 @@
-#
-# (C) Copyright 2000-2006
-# 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
-#
-
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(ARCH).a
-
-SOBJS-y	+= cache.o
-
-COBJS-y	+= board.o
-COBJS-y	+= bootm.o
-COBJS-y	+= divmod.o
-COBJS-y	+= mult.o
-COBJS-y	+= time.o
-
-SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
-
-$(LIB):	$(obj).depend $(OBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/lib_nios2/board.c b/lib_nios2/board.c
deleted file mode 100644
index 8ec66a3..0000000
--- a/lib_nios2/board.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * (C) Copyright 2003, Psyent Corporation <www.psyent.com>
- * Scott McNutt <smcnutt@psyent.com>
- *
- * (C) Copyright 2000-2002
- * 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
- */
-
-#include <common.h>
-#include <stdio_dev.h>
-#include <watchdog.h>
-#include <malloc.h>
-#include <net.h>
-#ifdef CONFIG_STATUS_LED
-#include <status_led.h>
-#endif
-#if defined(CONFIG_SYS_NIOS_EPCSBASE)
-#include <nios2-epcs.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * All attempts to come up with a "common" initialization sequence
- * that works for all boards and architectures failed: some of the
- * requirements are just _too_ different. To get rid of the resulting
- * mess of board dependend #ifdef'ed code we now make the whole
- * initialization sequence configurable to the user.
- *
- * The requirements for any new initalization function is simple: it
- * receives a pointer to the "global data" structure as it's only
- * argument, and returns an integer return code, where 0 means
- * "continue" and != 0 means "fatal error, hang the system".
- */
-
-
-typedef int (init_fnc_t) (void);
-
-
-/************************************************************************
- * Initialization sequence						*
- ***********************************************************************/
-
-init_fnc_t *init_sequence[] = {
-
-#if defined(CONFIG_BOARD_EARLY_INIT_F)
-	board_early_init_f,	/* Call board-specific init code early.*/
-#endif
-#if defined(CONFIG_SYS_NIOS_EPCSBASE)
-	epcs_reset,
-#endif
-
-	env_init,
-	serial_init,
-	console_init_f,
-	display_options,
-	checkcpu,
-	checkboard,
-	NULL,			/* Terminate this list */
-};
-
-
-/***********************************************************************/
-void board_init (void)
-{
-	bd_t *bd;
-	init_fnc_t **init_fnc_ptr;
-
-	/* Pointer is writable since we allocated a register for it.
-	 * Nios treats CONFIG_SYS_GBL_DATA_OFFSET as an address.
-	 */
-	gd = (gd_t *)CONFIG_SYS_GBL_DATA_OFFSET;
-	/* compiler optimization barrier needed for GCC >= 3.4 */
-	__asm__ __volatile__("": : :"memory");
-
-	memset( gd, 0, CONFIG_SYS_GBL_DATA_SIZE );
-
-	gd->bd = (bd_t *)(gd+1);	/* At end of global data */
-	gd->baudrate = CONFIG_BAUDRATE;
-	gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
-
-	bd = gd->bd;
-	bd->bi_memstart	= CONFIG_SYS_SDRAM_BASE;
-	bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
-	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
-#if	defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
-	bd->bi_sramstart= CONFIG_SYS_SRAM_BASE;
-	bd->bi_sramsize	= CONFIG_SYS_SRAM_SIZE;
-#endif
-	bd->bi_baudrate	= CONFIG_BAUDRATE;
-
-	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
-		WATCHDOG_RESET ();
-		if ((*init_fnc_ptr) () != 0) {
-			hang ();
-		}
-	}
-
-	WATCHDOG_RESET ();
-
-	/* The Malloc area is immediately below the monitor copy in RAM */
-	mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
-
-	WATCHDOG_RESET ();
-	bd->bi_flashsize = flash_init();
-
-	WATCHDOG_RESET ();
-	env_relocate();
-
-	bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
-
-	WATCHDOG_RESET ();
-	stdio_init();
-	jumptable_init();
-	console_init_r();
-
-	WATCHDOG_RESET ();
-	interrupt_init ();
-
-#if defined(CONFIG_BOARD_LATE_INIT)
-	board_late_init ();
-#endif
-
-#if defined(CONFIG_CMD_NET)
-#if defined(CONFIG_NET_MULTI)
-	puts ("Net:   ");
-#endif
-	eth_initialize (bd);
-#endif
-
-	/* main_loop */
-	for (;;) {
-		WATCHDOG_RESET ();
-		main_loop ();
-	}
-}
-
-
-/***********************************************************************/
-
-void hang (void)
-{
-	disable_interrupts ();
-	puts("### ERROR ### Please reset board ###\n");
-	for (;;);
-}
diff --git a/lib_nios2/bootm.c b/lib_nios2/bootm.c
deleted file mode 100644
index 5d25edf..0000000
--- a/lib_nios2/bootm.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * (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
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/byteorder.h>
-#include <asm/cache.h>
-
-#define NIOS_MAGIC 0x534f494e /* enable command line and initrd passing */
-
-int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
-{
-	void (*kernel)(int, int, int, char *) = (void *)images->ep;
-	char *commandline = getenv("bootargs");
-	ulong initrd_start = images->rd_start;
-	ulong initrd_end = images->rd_end;
-
-	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
-		return 1;
-
-	/* flushes data and instruction caches before calling the kernel */
-	disable_interrupts();
-	flush_dcache((ulong)kernel, CONFIG_SYS_DCACHE_SIZE);
-	flush_icache((ulong)kernel, CONFIG_SYS_ICACHE_SIZE);
-
-	debug("bootargs=%s @ 0x%lx\n", commandline, (ulong)&commandline);
-	debug("initrd=0x%lx-0x%lx\n", (ulong)initrd_start, (ulong)initrd_end);
-	kernel(NIOS_MAGIC, initrd_start, initrd_end, commandline);
-	/* does not return */
-
-	return 1;
-}
diff --git a/lib_nios2/cache.S b/lib_nios2/cache.S
deleted file mode 100644
index ee3b4b7..0000000
--- a/lib_nios2/cache.S
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * (C) Copyright 2004, 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
- */
-
-#include <config.h>
-
-	.text
-
-	.global flush_dcache
-
-flush_dcache:
-	add	r5, r5, r4
-	movhi	r8, %hi(CONFIG_SYS_DCACHELINE_SIZE)
-	ori	r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE)
-0:	flushd	0(r4)
-	add	r4, r4, r8
-	bltu	r4, r5, 0b
-	ret
-
-
-	.global flush_icache
-
-flush_icache:
-	add	r5, r5, r4
-	movhi	r8, %hi(CONFIG_SYS_ICACHELINE_SIZE)
-	ori	r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE)
-1:	flushi	r4
-	add	r4, r4, r8
-	bltu	r4, r5, 1b
-	ret
-
-	.global flush_cache
-
-flush_cache:
-	add	r5, r5, r4
-	mov	r9, r4
-	mov	r10, r5
-
-	movhi	r8, %hi(CONFIG_SYS_DCACHELINE_SIZE)
-	ori	r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE)
-0:	flushd	0(r4)
-	add	r4, r4, r8
-	bltu	r4, r5, 0b
-
-	mov	r4, r9
-	mov	r5, r10
-	movhi	r8, %hi(CONFIG_SYS_ICACHELINE_SIZE)
-	ori	r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE)
-1:	flushi	r4
-	add	r4, r4, r8
-	bltu	r4, r5, 1b
-
-	sync
-	flushp
-	ret
diff --git a/lib_nios2/config.mk b/lib_nios2/config.mk
deleted file mode 100644
index be40639..0000000
--- a/lib_nios2/config.mk
+++ /dev/null
@@ -1,30 +0,0 @@
-#
-# (C) Copyright 2004
-# 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
-#
-
-CROSS_COMPILE ?= nios2-elf-
-
-STANDALONE_LOAD_ADDR = 0x02000000 -L $(gcclibdir)
-
-PLATFORM_CPPFLAGS += -DCONFIG_NIOS2 -D__NIOS2__
-PLATFORM_CPPFLAGS += -ffixed-r15 -G0
diff --git a/lib_nios2/divmod.c b/lib_nios2/divmod.c
deleted file mode 100644
index 3c7e71e..0000000
--- a/lib_nios2/divmod.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * This file is part of GNU CC.
- *
- * GNU CC 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, or (at your
- * option) any later version.
- *
- * GNU CC 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 GNU CC; see the file COPYING.  If not, write
- * to the Free Software Foundation, 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-
-#include "math.h"
-
-USItype udivmodsi4 (USItype num, USItype den, word_type modwanted)
-{
-	USItype bit = 1;
-	USItype res = 0;
-
-	while (den < num && bit && !(den & (1L << 31))) {
-		den <<= 1;
-		bit <<= 1;
-	}
-	while (bit) {
-		if (num >= den) {
-			num -= den;
-			res |= bit;
-		}
-		bit >>= 1;
-		den >>= 1;
-	}
-	if (modwanted)
-		return num;
-	return res;
-}
-
-
-SItype __divsi3 (SItype a, SItype b)
-{
-	word_type neg = 0;
-	SItype res;
-
-	if (a < 0) {
-		a = -a;
-		neg = !neg;
-	}
-
-	if (b < 0) {
-		b = -b;
-		neg = !neg;
-	}
-
-	res = udivmodsi4 (a, b, 0);
-
-	if (neg)
-		res = -res;
-
-	return res;
-}
-
-
-SItype __modsi3 (SItype a, SItype b)
-{
-	word_type neg = 0;
-	SItype res;
-
-	if (a < 0) {
-		a = -a;
-		neg = 1;
-	}
-
-	if (b < 0)
-		b = -b;
-
-	res = udivmodsi4 (a, b, 1);
-
-	if (neg)
-		res = -res;
-
-	return res;
-}
-
-
-SItype __udivsi3 (SItype a, SItype b)
-{
-	return udivmodsi4 (a, b, 0);
-}
-
-
-SItype __umodsi3 (SItype a, SItype b)
-{
-	return udivmodsi4 (a, b, 1);
-}
diff --git a/lib_nios2/math.h b/lib_nios2/math.h
deleted file mode 100644
index f0aed8e..0000000
--- a/lib_nios2/math.h
+++ /dev/null
@@ -1,16 +0,0 @@
-#define BITS_PER_UNIT	8
-
-typedef	 int HItype			__attribute__ ((mode (HI)));
-typedef unsigned int UHItype		__attribute__ ((mode (HI)));
-
-typedef		 int SItype		__attribute__ ((mode (SI)));
-typedef unsigned int USItype		__attribute__ ((mode (SI)));
-
-typedef int word_type			__attribute__ ((mode (__word__)));
-
-struct SIstruct {HItype low, high;};
-
-typedef union {
-	struct SIstruct s;
-	SItype ll;
-} SIunion;
diff --git a/lib_nios2/mult.c b/lib_nios2/mult.c
deleted file mode 100644
index ec8139e..0000000
--- a/lib_nios2/mult.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * This file is part of GNU CC.
- *
- * GNU CC 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, or (at your
- * option) any later version.
- *
- * GNU CC 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 GNU CC; see the file COPYING.  If not, write
- * to the Free Software Foundation, 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-
-#include <common.h>
-
-#if !defined(CONFIG_SYS_NIOS_MULT_HW) && !defined(CONFIG_SYS_NIOS_MULT_MSTEP)
-
-#include "math.h"
-
-USItype __mulsi3 (USItype a, USItype b)
-{
-	USItype c = 0;
-
-	while (a != 0) {
-		if (a & 1)
-			c += b;
-		a >>= 1;
-		b <<= 1;
-	}
-
-	return c;
-}
-
-
-UHItype __mulhi3 (UHItype a, UHItype b)
-{
-	UHItype c = 0;
-
-	while (a != 0) {
-		if (a & 1)
-			c += b;
-		a >>= 1;
-		b <<= 1;
-	}
-
-	return c;
-}
-
-#endif /*!defined(CONFIG_SYS_NIOS_MULT_HW) && !defined(CONFIG_SYS_NIOS_MULT_MSTEP) */
diff --git a/lib_nios2/time.c b/lib_nios2/time.c
deleted file mode 100644
index d5096ee..0000000
--- a/lib_nios2/time.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * (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
- */
-
-#include <common.h>
-#include <watchdog.h>
-
-
-extern void dly_clks( unsigned long ticks );
-
-void __udelay(unsigned long usec)
-{
-	/* The Nios core doesn't have a timebase, so we do our
-	 * best for now and call a low-level loop that counts
-	 * cpu clocks.
-	 */
-	unsigned long cnt = (CONFIG_SYS_CLK_FREQ/1000000) * usec;
-	dly_clks (cnt);
-}