remove old nios support
This commit is contained in:
parent
3c4c4d2e66
commit
c20294e48f
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@ -1,45 +0,0 @@
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#
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# (C) Copyright 2000-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(ARCH).a
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SOBJS =
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COBJS = board.o cache.o divmod.o nios_linux.o mult.o time.o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
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$(LIB): $(obj).depend $(OBJS)
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$(AR) $(ARFLAGS) $@ $(OBJS)
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk
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sinclude $(obj).depend
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#########################################################################
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192
lib_nios/board.c
192
lib_nios/board.c
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@ -1,192 +0,0 @@
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/*
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* (C) Copyright 2003, Psyent Corporation <www.psyent.com>
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* Scott McNutt <smcnutt@psyent.com>
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*
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* (C) Copyright 2000-2002
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
|
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <devices.h>
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#include <watchdog.h>
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#include <net.h>
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#ifdef CONFIG_STATUS_LED
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#include <status_led.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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/*
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* All attempts to come up with a "common" initialization sequence
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* that works for all boards and architectures failed: some of the
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* requirements are just _too_ different. To get rid of the resulting
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* mess of board dependend #ifdef'ed code we now make the whole
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* initialization sequence configurable to the user.
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*
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* The requirements for any new initalization function is simple: it
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* receives a pointer to the "global data" structure as it's only
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* argument, and returns an integer return code, where 0 means
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* "continue" and != 0 means "fatal error, hang the system".
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*/
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extern void malloc_bin_reloc (void);
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typedef int (init_fnc_t) (void);
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/*
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* Begin and End of memory area for malloc(), and current "brk"
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*/
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static ulong mem_malloc_start = 0;
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static ulong mem_malloc_end = 0;
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static ulong mem_malloc_brk = 0;
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/*
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* The Malloc area is immediately below the monitor copy in RAM
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*/
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static void mem_malloc_init (void)
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{
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mem_malloc_start = CFG_MALLOC_BASE;
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mem_malloc_end = mem_malloc_start + CFG_MALLOC_LEN;
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mem_malloc_brk = mem_malloc_start;
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memset ((void *) mem_malloc_start,
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0,
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mem_malloc_end - mem_malloc_start);
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}
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void *sbrk (ptrdiff_t increment)
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{
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ulong old = mem_malloc_brk;
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ulong new = old + increment;
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if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
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return (NULL);
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}
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mem_malloc_brk = new;
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return ((void *) old);
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}
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/************************************************************************
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* Initialization sequence *
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***********************************************************************/
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init_fnc_t *init_sequence[] = {
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#if defined(CONFIG_BOARD_EARLY_INIT_F)
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board_early_init_f, /* Call board-specific init code early.*/
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#endif
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env_init,
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serial_init,
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console_init_f,
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display_options,
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checkcpu,
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checkboard,
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NULL, /* Terminate this list */
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};
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/***********************************************************************/
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void board_init (void)
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{
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bd_t *bd;
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init_fnc_t **init_fnc_ptr;
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char *s, *e;
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int i;
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/* Pointer is writable since we allocated a register for it.
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* Nios treats CFG_GBL_DATA_OFFSET as an address.
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*/
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gd = (gd_t *)CFG_GBL_DATA_OFFSET;
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/* compiler optimization barrier needed for GCC >= 3.4 */
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__asm__ __volatile__("": : :"memory");
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memset( gd, 0, CFG_GBL_DATA_SIZE );
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gd->bd = (bd_t *)(gd+1); /* At end of global data */
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gd->baudrate = CONFIG_BAUDRATE;
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gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
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bd = gd->bd;
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bd->bi_memstart = CFG_SDRAM_BASE;
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bd->bi_memsize = CFG_SDRAM_SIZE;
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bd->bi_flashstart = CFG_FLASH_BASE;
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#if defined(CFG_SRAM_BASE) && defined(CFG_SRAM_SIZE)
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bd->bi_sramstart= CFG_SRAM_BASE;
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bd->bi_sramsize = CFG_SRAM_SIZE;
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#endif
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bd->bi_baudrate = CONFIG_BAUDRATE;
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for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
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WATCHDOG_RESET ();
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if ((*init_fnc_ptr) () != 0) {
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hang ();
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}
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}
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WATCHDOG_RESET ();
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bd->bi_flashsize = flash_init();
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WATCHDOG_RESET ();
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mem_malloc_init();
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malloc_bin_reloc();
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env_relocate();
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bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
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s = getenv ("ethaddr");
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for (i = 0; i < 6; ++i) {
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bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
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if (s) s = (*e) ? e + 1 : e;
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}
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WATCHDOG_RESET ();
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devices_init();
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jumptable_init();
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console_init_r();
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/*
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*/
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WATCHDOG_RESET ();
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interrupt_init ();
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#ifdef CONFIG_STATUS_LED
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status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
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#endif
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/* main_loop */
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for (;;) {
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WATCHDOG_RESET ();
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main_loop ();
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}
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}
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/***********************************************************************/
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void hang (void)
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{
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#ifdef CONFIG_STATUS_LED
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status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF);
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status_led_set(STATUS_LED_RED, STATUS_LED_BLINKING);
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#endif
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puts("### ERROR ### Please reset board ###\n");
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for (;;);
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}
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@ -1,32 +0,0 @@
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/*
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* (C) Copyright 2003, Psyent Corporation <www.psyent.com>
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* Scott McNutt <smcnutt@psyent.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
|
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* modify it under the terms of the GNU General Public License as
|
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
|
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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void flush_cache (ulong addr, ulong size)
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{
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/* Nios cache is write-thru -- nothing to do here.
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*/
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return;
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}
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@ -1,101 +0,0 @@
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/*
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* This file is part of GNU CC.
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*
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* GNU CC is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2, or (at your
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* option) any later version.
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*
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* GNU CC is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
|
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* License along with GNU CC; see the file COPYING. If not, write
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* to the Free Software Foundation, 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "math.h"
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USItype udivmodsi4 (USItype num, USItype den, word_type modwanted)
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{
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USItype bit = 1;
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USItype res = 0;
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while (den < num && bit && !(den & (1L << 31))) {
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den <<= 1;
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bit <<= 1;
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}
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while (bit) {
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if (num >= den) {
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num -= den;
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res |= bit;
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}
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bit >>= 1;
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den >>= 1;
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}
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if (modwanted)
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return num;
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return res;
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}
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SItype __divsi3 (SItype a, SItype b)
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{
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word_type neg = 0;
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SItype res;
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if (a < 0) {
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a = -a;
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neg = !neg;
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}
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if (b < 0) {
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b = -b;
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neg = !neg;
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}
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res = udivmodsi4 (a, b, 0);
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if (neg)
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res = -res;
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return res;
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}
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SItype __modsi3 (SItype a, SItype b)
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{
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word_type neg = 0;
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SItype res;
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if (a < 0) {
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a = -a;
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neg = 1;
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}
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if (b < 0)
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b = -b;
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res = udivmodsi4 (a, b, 1);
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if (neg)
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res = -res;
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return res;
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}
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SItype __udivsi3 (SItype a, SItype b)
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{
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return udivmodsi4 (a, b, 0);
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}
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SItype __umodsi3 (SItype a, SItype b)
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{
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return udivmodsi4 (a, b, 1);
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}
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@ -1,16 +0,0 @@
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#define BITS_PER_UNIT 8
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typedef int HItype __attribute__ ((mode (HI)));
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typedef unsigned int UHItype __attribute__ ((mode (HI)));
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typedef int SItype __attribute__ ((mode (SI)));
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typedef unsigned int USItype __attribute__ ((mode (SI)));
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typedef int word_type __attribute__ ((mode (__word__)));
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struct SIstruct {HItype low, high;};
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typedef union {
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struct SIstruct s;
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SItype ll;
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} SIunion;
|
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@ -1,56 +0,0 @@
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/*
|
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* 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.
|
||||
*/
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#include <common.h>
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#if !defined(CFG_NIOS_MULT_HW) && !defined(CFG_NIOS_MULT_MSTEP)
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#include "math.h"
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USItype __mulsi3 (USItype a, USItype b)
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{
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USItype c = 0;
|
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|
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while (a != 0) {
|
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if (a & 1)
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c += b;
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a >>= 1;
|
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b <<= 1;
|
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}
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return c;
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}
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|
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|
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UHItype __mulhi3 (UHItype a, UHItype b)
|
||||
{
|
||||
UHItype c = 0;
|
||||
|
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while (a != 0) {
|
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if (a & 1)
|
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c += b;
|
||||
a >>= 1;
|
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b <<= 1;
|
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}
|
||||
|
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return c;
|
||||
}
|
||||
|
||||
#endif /*!defined(CFG_NIOS_MULT_HW) && !defined(CFG_NIOS_MULT_MSTEP) */
|
|
@ -1,34 +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>
|
||||
|
||||
/* FIXME: Once we find a stable version of uC-linux for nios
|
||||
* we can get this working. ;-)
|
||||
*
|
||||
*/
|
||||
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
|
||||
ulong addr, ulong *len_ptr, int verify)
|
||||
{
|
||||
}
|
|
@ -1,39 +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;
|
||||
WATCHDOG_RESET (); /* trigger watchdog if needed */
|
||||
dly_clks (cnt);
|
||||
}
|
Loading…
Reference in New Issue