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authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:04 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:03 +0200
commitea0364f1bbfed1e3ea711147420875cf338fe77a (patch)
tree15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /lib_nios2
parent89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff)
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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>
Diffstat (limited to 'lib_nios2')
-rw-r--r--lib_nios2/Makefile49
-rw-r--r--lib_nios2/board.c164
-rw-r--r--lib_nios2/bootm.c52
-rw-r--r--lib_nios2/cache.S74
-rw-r--r--lib_nios2/config.mk30
-rw-r--r--lib_nios2/divmod.c101
-rw-r--r--lib_nios2/math.h16
-rw-r--r--lib_nios2/mult.c56
-rw-r--r--lib_nios2/time.c38
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);
-}