ARM: remove broken "gcplus" board.

Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Cc: George G. Davis <gdavis@mvista.com>

ARM: remove broken "gcplus" board.
Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Cc: George G. Davis <gdavis@mvista.com>
Wolfgang Denk
1 parent 26e670ea43
Showing 9 changed files with 1 additions and 853 deletions Side-by-side Diff
MAINTAINERS
board/gcplus/Makefile
board/gcplus/config.mk
board/gcplus/flash.c
board/gcplus/gcplus.c
board/gcplus/lowlevel_init.S
boards.cfg
doc/README.scrapyard
include/configs/gcplus.h
@@ -624,10 +624,6 @@
  
 	dockstar	ARM926EJS (Kirkwood SoC)
  
-George G. Davis <gdavis@mvista.com>
-
-	gcplus		SA1100
-
 Wolfgang Denk <wd@denx.de>
 	imx27lite	i.MX27
 	qong		i.MX31
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# 2003 (c) MontaVista Software, Inc.
-#
-# 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	= $(obj)lib$(BOARD).o
-
-COBJS	:= gcplus.o flash.o
-SOBJS	:= lowlevel_init.o
-
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS))
-SOBJS	:= $(addprefix $(obj),$(SOBJS))
-
-$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
-	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
-
-clean:
-	rm -f $(SOBJS) $(OBJS)
-
-distclean:	clean
-	rm -f $(LIB) core *.bak $(obj).depend
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
-#
-# ADS GCPlus board with SA1110 cpu
-#
-# The ADS GCPlus has 2 banks of 16 MiB SDRAM
-#
-# We use the ADS GCPlus Linux boot ROM to load U-Boot into SDRAM
-# at c020'0000 and then move ourself to c8f0'0000. Basically, just
-# install the U-Boot binary as you would the Linux zImage and then
-# reap the benfits of more convenient Linux development cycles, i.e.
-# bootp;tftp;bootm, repeat, etc.,.
-#
-
-CONFIG_SYS_TEXT_BASE = 0xc8f00000
-/*
- * (C) Copyright 2001
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2001
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * 2003 (c) MontaVista Software, Inc.
- *
- * 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 <linux/byteorder/swab.h>
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];	/* info for FLASH chips */
-
-/* Board support for 1 or 2 flash devices */
-#define FLASH_PORT_WIDTH32
-#undef FLASH_PORT_WIDTH16
-
-#ifdef FLASH_PORT_WIDTH16
-#define FLASH_PORT_WIDTH		ushort
-#define FLASH_PORT_WIDTHV		vu_short
-#define SWAP(x)				__swab16(x)
-#else
-#define FLASH_PORT_WIDTH		ulong
-#define FLASH_PORT_WIDTHV		vu_long
-#define SWAP(x)				__swab32(x)
-#endif
-
-#define FPW				FLASH_PORT_WIDTH
-#define FPWV				FLASH_PORT_WIDTHV
-
-#define mb() __asm__ __volatile__ ("" : : : "memory")
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-static ulong flash_get_size(FPW * addr, flash_info_t * info);
-static int write_data(flash_info_t * info, ulong dest, FPW data);
-static void flash_get_offsets(ulong base, flash_info_t * info);
-void inline spin_wheel(void);
-
-/*-----------------------------------------------------------------------
- */
-
-unsigned long
-flash_init(void)
-{
-	int i;
-	ulong size = 0;
-
-	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
-		switch (i) {
-		case 0:
-			flash_get_size((FPW *) PHYS_FLASH_1, &flash_info[i]);
-			flash_get_offsets(PHYS_FLASH_1, &flash_info[i]);
-			break;
-		default:
-			panic("configured too many flash banks!\n");
-			break;
-		}
-		size += flash_info[i].size;
-	}
-
-	/* Protect monitor and environment sectors
-	 */
-	flash_protect(FLAG_PROTECT_SET,
-		      CONFIG_SYS_FLASH_BASE,
-		      CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]);
-
-	flash_protect(FLAG_PROTECT_SET,
-		      CONFIG_ENV_ADDR,
-		      CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]);
-
-	return size;
-}
-
-/*-----------------------------------------------------------------------
- */
-static void
-flash_get_offsets(ulong base, flash_info_t * info)
-{
-	int i;
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		return;
-	}
-
-	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
-		for (i = 0; i < info->sector_count; i++) {
-			info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE);
-			info->protect[i] = 0;
-		}
-	}
-}
-
-/*-----------------------------------------------------------------------
- */
-void
-flash_print_info(flash_info_t * info)
-{
-	int i;
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		printf("missing or unknown FLASH type\n");
-		return;
-	}
-
-	switch (info->flash_id & FLASH_VENDMASK) {
-	case FLASH_MAN_INTEL:
-		printf("INTEL ");
-		break;
-	default:
-		printf("Unknown Vendor ");
-		break;
-	}
-
-	switch (info->flash_id & FLASH_TYPEMASK) {
-	case FLASH_28F128J3A:
-		printf("28F128J3A\n");
-		break;
-	case FLASH_28F640J5:
-		printf("28F640J5\n");
-		break;
-	default:
-		printf("Unknown Chip Type\n");
-		break;
-	}
-
-	printf("  Size: %ld MB in %d Sectors\n",
-	       info->size >> 20, info->sector_count);
-
-	printf("  Sector Start Addresses:");
-	for (i = 0; i < info->sector_count; ++i) {
-		if ((i % 5) == 0)
-			printf("\n   ");
-		printf(" %08lX%s",
-		       info->start[i], info->protect[i] ? " (RO)" : "     ");
-	}
-	printf("\n");
-	return;
-}
-
-/*
- * The following code cannot be run from FLASH!
- */
-static ulong
-flash_get_size(FPW * addr, flash_info_t * info)
-{
-	volatile FPW value;
-	/* Write auto select command: read Manufacturer ID */
-	addr[0x5555] = (FPW) 0x00AA00AA;
-	addr[0x2AAA] = (FPW) 0x00550055;
-	addr[0x5555] = (FPW) 0x00900090;
-
-	mb();
-	value = addr[0];
-
-	switch (value) {
-
-	case (FPW) INTEL_MANUFACT:
-		info->flash_id = FLASH_MAN_INTEL;
-		break;
-
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		info->sector_count = 0;
-		info->size = 0;
-		addr[0] = (FPW) 0x00FF00FF;	/* restore read mode */
-		return (0);	/* no or unknown flash  */
-	}
-
-	mb();
-	value = addr[1];	/* device ID            */
-	switch (value) {
-	case (FPW) INTEL_ID_28F128J3A:
-		info->flash_id += FLASH_28F128J3A;
-		info->sector_count = 128;
-		info->size = 0x02000000;
-		break;		/* => 16 MB     */
-	case (FPW) INTEL_ID_28F640J5:
-		info->flash_id += FLASH_28F640J5;
-		info->sector_count = 64;
-		info->size = 0x01000000;
-		break;		/* => 16 MB     */
-
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		break;
-	}
-
-	if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
-		printf("** ERROR: sector count %d > max (%d) **\n",
-		       info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
-		info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
-	}
-
-	addr[0] = (FPW) 0x00FF00FF;	/* restore read mode */
-
-	return (info->size);
-}
-
-/*-----------------------------------------------------------------------
- */
-
-int
-flash_erase(flash_info_t * info, int s_first, int s_last)
-{
-	int flag, prot, sect;
-	ulong type, start;
-	int rcode = 0;
-
-	if ((s_first < 0) || (s_first > s_last)) {
-		if (info->flash_id == FLASH_UNKNOWN) {
-			printf("- missing\n");
-		} else {
-			printf("- no sectors to erase\n");
-		}
-		return 1;
-	}
-
-	type = (info->flash_id & FLASH_VENDMASK);
-	if ((type != FLASH_MAN_INTEL)) {
-		printf("Can't erase unknown flash type %08lx - aborted\n",
-		       info->flash_id);
-		return 1;
-	}
-
-	prot = 0;
-	for (sect = s_first; sect <= s_last; ++sect) {
-		if (info->protect[sect]) {
-			prot++;
-		}
-	}
-
-	if (prot) {
-		printf("- Warning: %d protected sectors will not be erased!\n",
-		       prot);
-	} else {
-		printf("\n");
-	}
-
-	/* Disable interrupts which might cause a timeout here */
-	flag = disable_interrupts();
-
-	/* Start erase on unprotected sectors */
-	for (sect = s_first; sect <= s_last; sect++) {
-		if (info->protect[sect] == 0) {	/* not protected */
-			FPWV *addr = (FPWV *) (info->start[sect]);
-			FPW status;
-
-			printf("Erasing sector %2d ... ", sect);
-
-			/* arm simple, non interrupt dependent timer */
-			start = get_timer(0);
-
-			*addr = (FPW) 0x00500050;	/* clear status register */
-			*addr = (FPW) 0x00200020;	/* erase setup */
-			*addr = (FPW) 0x00D000D0;	/* erase confirm */
-
-			while (((status =
-				 *addr) & (FPW) 0x00800080) !=
-			       (FPW) 0x00800080) {
-				if (get_timer(start) > CONFIG_SYS_FLASH_ERASE_TOUT) {
-					printf("Timeout\n");
-					*addr = (FPW) 0x00B000B0;	/* suspend erase         */
-					*addr = (FPW) 0x00FF00FF;	/* reset to read mode */
-					rcode = 1;
-					break;
-				}
-			}
-
-			*addr = (FPW) 0x00500050;	/* clear status register cmd.   */
-			*addr = (FPW) 0x00FF00FF;	/* resest to read mode          */
-
-			printf(" done\n");
-		}
-	}
-	return rcode;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- * 4 - Flash not identified
- */
-
-int
-write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
-{
-	ulong cp, wp;
-	FPW data;
-	int count, i, l, rc, port_width;
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		return 4;
-	}
-/* get lower word aligned address */
-#ifdef FLASH_PORT_WIDTH16
-	wp = (addr & ~1);
-	port_width = 2;
-#else
-	wp = (addr & ~3);
-	port_width = 4;
-#endif
-
-	/*
-	 * handle unaligned start bytes
-	 */
-	if ((l = addr - wp) != 0) {
-		data = 0;
-		for (i = 0, cp = wp; i < l; ++i, ++cp) {
-			data = (data << 8) | (*(uchar *) cp);
-		}
-		for (; i < port_width && cnt > 0; ++i) {
-			data = (data << 8) | *src++;
-			--cnt;
-			++cp;
-		}
-		for (; cnt == 0 && i < port_width; ++i, ++cp) {
-			data = (data << 8) | (*(uchar *) cp);
-		}
-
-		if ((rc = write_data(info, wp, SWAP(data))) != 0) {
-			return (rc);
-		}
-		wp += port_width;
-	}
-
-	/*
-	 * handle word aligned part
-	 */
-	count = 0;
-	while (cnt >= port_width) {
-		data = 0;
-		for (i = 0; i < port_width; ++i) {
-			data = (data << 8) | *src++;
-		}
-		if ((rc = write_data(info, wp, SWAP(data))) != 0) {
-			return (rc);
-		}
-		wp += port_width;
-		cnt -= port_width;
-		if (count++ > 0x800) {
-			spin_wheel();
-			count = 0;
-		}
-	}
-
-	if (cnt == 0) {
-		return (0);
-	}
-
-	/*
-	 * handle unaligned tail bytes
-	 */
-	data = 0;
-	for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
-		data = (data << 8) | *src++;
-		--cnt;
-	}
-	for (; i < port_width; ++i, ++cp) {
-		data = (data << 8) | (*(uchar *) cp);
-	}
-
-	return (write_data(info, wp, SWAP(data)));
-}
-
-/*-----------------------------------------------------------------------
- * Write a word or halfword to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int
-write_data(flash_info_t * info, ulong dest, FPW data)
-{
-	FPWV *addr = (FPWV *) dest;
-	ulong status;
-	int flag;
-	ulong start;
-
-	/* Check if Flash is (sufficiently) erased */
-	if ((*addr & data) != data) {
-		printf("not erased at %08lX (%lX)\n", (ulong) addr, *addr);
-		return (2);
-	}
-	/* Disable interrupts which might cause a timeout here */
-	flag = disable_interrupts();
-
-	*addr = (FPW) 0x00400040;	/* write setup */
-	*addr = data;
-
-	/* arm simple, non interrupt dependent timer */
-	start = get_timer(0);
-
-	/* wait while polling the status register */
-	while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
-		if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
-			*addr = (FPW) 0x00FF00FF;	/* restore read mode */
-			return (1);
-		}
-	}
-
-	*addr = (FPW) 0x00FF00FF;	/* restore read mode */
-
-	return (0);
-}
-
-void inline
-spin_wheel(void)
-{
-	static int p = 0;
-	static char w[] = "\\/-";
-
-	printf("\010%c", w[p]);
-	(++p == 3) ? (p = 0) : 0;
-}
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * 2003-2004 (c) MontaVista Software, Inc.
- *
- * 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 <netdev.h>
-#include <SA-1100.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * Miscelaneous platform dependent initialisations
- */
-
-int
-board_init(void)
-{
-	gd->bd->bi_arch_number = MACH_TYPE_GRAPHICSCLIENT;
-
-	gd->bd->bi_boot_params = 0xc000003c; /* Weird address? */
-
-	/* Most of the ADS GCPlus I/O is connected to Static nCS2.
-	 * So I'm brute forcing nCS2 timiming here for worst case.
-	 */
-	MSC1 &= ~0xFFFF;
-	MSC1 |= 0x8649;
-
-	/* Nothing is connected to Static nCS4 or nCS5. But I'm using
-	 * nCS4 as a paranoia safe guard to force nCS2, nOE; nWE high
-	 * after accessing I/O via (non-VLIO) nCS2. What can I say, I'm
-	 * paranoid and lack decent tools to alleviate my fear. I sure
-	 * do wish I had a logic analyzer. : (
-	 */
-
-	MSC2 =  0xfff9fff9;
-
-	return 0;
-}
-
-int
-dram_init(void)
-{
-	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
-	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
-	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
-	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
-
-	return (0);
-}
-
-#ifdef CONFIG_CMD_NET
-int board_eth_init(bd_t *bis)
-{
-	int rc = 0;
-#ifdef CONFIG_LAN91C96
-	rc = lan91c96_initialize(0, CONFIG_LAN91C96_BASE);
-#endif
-	return rc;
-}
-#endif
-/*
- * Memory Setup stuff - taken from blob memsetup.S
- *
- * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
- *                     Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
- * 2003-2004 (c) MontaVista Software, Inc.
- *
- * 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"
-#include "version.h"
-
-
-	.globl	lowlevel_init
-lowlevel_init:
-	/* The ADS GC+ for Linux Boot Rom Ver. 1.73 does memory init for us.
-	 * However the darn thing leaves the MMU enabled before handing control
-	 * over to us. So we need to disable the MMU and we use lowlevel_init
-	 * to do it.
-	 */
-
-@ The following code segment was borrowed with gratitude from:
-@	linux-2.4.19-rmk7/arch/arm/boot/compressed/head-sa1100.S
-
-	@ Data cache might be active.
-	@ Be sure to flush kernel binary out of the cache,
-	@ whatever state it is, before it is turned off.
-	@ This is done by fetching through currently executed
-	@ memory to be sure we hit the same cache.
-	bic	r2, pc, #0x1f
-	add	r3, r2, #0x4000		@ 16 kb is quite enough...
-1:	ldr	r0, [r2], #32
-	teq	r2, r3
-	bne	1b
-	mcr	p15, 0, r0, c7, c10, 4	@ drain WB
-	mcr	p15, 0, r0, c7, c7, 0	@ flush I & D caches
-
-	@ disabling MMU and caches
-	mrc	p15, 0, r0, c1, c0, 0	@ read control reg
-	bic	r0, r0, #0x0d		@ clear WB, DC, MMU
-	bic	r0, r0, #0x1000		@ clear Icache
-	mcr	p15, 0, r0, c1, c0, 0
-
-	nop
-	nop
-	nop
-	nop
-	nop
-
-	b	2f
-2:
-	nop
-	nop
-	nop
-	nop
-	nop
-
-
-	mov	pc, lr
@@ -219,7 +219,6 @@
 xm250                        arm         pxa
 zipitz2                      arm         pxa
 zylonite                     arm         pxa
-gcplus                       arm         sa1100
 jornada                      arm         sa1100
 lart                         arm         sa1100
 shannon                      arm         sa1100
@@ -11,6 +11,7 @@
  
 Board	Arch	CPU	removed	    Commit	last known maintainer/contact
 =============================================================================
+gcplus	arm	sa1100	-	  2011-09-05	George G. Davis <gdavis@mvista.com>
 evb4510	arm	arm720t	-	  2011-09-05	Curt Brune <curt@cucy.com>
 ep7312	arm	arm720t	-	  2011-09-05	Marius Gröger <mag@sysgo.de>
 dnp1110	arm	sa1100	-	  2011-09-05	Alex Züpke <azu@sysgo.de>
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * 2003-2004 (c) MontaVista Software, Inc.
- *
- * Configuation settings for the ADS GraphicsClient+ board.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#ifndef __CONFIG_H
-#define __CONFIG_H
-
-/*
- * The ADS GCPlus Linux boot ROM loads U-Boot into RAM at 0xc0200000.
- * We don't actually init RAM in this case since we're using U-Boot as
- * an secondary boot loader during Linux kernel development and testing,
- * e.g. bootp/tftp download of the kernel is a far more convenient
- * when testing new kernels on this target. However the ADS GCPlus Linux
- * boot ROM leaves the MMU enabled when it passes control to U-Boot. So
- * we use lowlevel_init (!CONFIG_SKIP_LOWLEVEL_INIT) to remedy that problem.
- */
-#undef  CONFIG_SKIP_LOWLEVEL_INIT
-
-/*
- * High Level Configuration Options
- * (easy to change)
- */
-#define CONFIG_SA1110		1	/* This is an SA1100 CPU	*/
-#define CONFIG_GCPLUS		1	/* on an ADS GCPlus Board      */
-
-#undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff */
-/* we will never enable dcache, because we have to setup MMU first */
-#define CONFIG_SYS_DCACHE_OFF
-
-#define CONFIG_CMDLINE_TAG	 1	/* enable passing of ATAGs	*/
-#define CONFIG_SETUP_MEMORY_TAGS 1
-#define CONFIG_INITRD_TAG	 1
-
-/*
- * Size of malloc() pool
- */
-#define CONFIG_SYS_MALLOC_LEN          (CONFIG_ENV_SIZE + 128*1024)
-
-
-/*
- * Hardware drivers
- */
-#define CONFIG_NET_MULTI
-#define CONFIG_LAN91C96	/* we have an SMC9194 on-board */
-#define CONFIG_LAN91C96_BASE	0x100e0000
-
-/*
- * select serial console configuration
- */
-#define CONFIG_SA1100_SERIAL
-#define CONFIG_SERIAL3          1	/* we use SERIAL 3 on ADS GCPlus */
-
-/* allow to overwrite serial and ethaddr */
-#define CONFIG_ENV_OVERWRITE
-
-#define CONFIG_BAUDRATE		38400
-
-
-/*
- * Command line configuration.
- */
-#include <config_cmd_default.h>
-
-#define CONFIG_CMD_DHCP
-
-
-/*
- * BOOTP options
- */
-#define CONFIG_BOOTP_SUBNETMASK
-#define CONFIG_BOOTP_GATEWAY
-#define CONFIG_BOOTP_HOSTNAME
-#define CONFIG_BOOTP_BOOTPATH
-
-
-#define CONFIG_BOOTDELAY	3
-#define CONFIG_BOOTARGS		"console=ttySA0,38400n8 mtdparts=sa1100-flash:1m@0(zImage),3m@1m(ramdisk.gz),12m@4m(userfs) root=/dev/nfs ip=bootp"
-#define CONFIG_BOOTCOMMAND	"bootp;tftp;bootm"
-#define CONFIG_SYS_AUTOLOAD            "n"             /* No autoload */
-
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_KGDB_BAUDRATE	38400		/* speed to run kgdb serial port */
-#define CONFIG_KGDB_SER_INDEX	2		/* which serial port to use */
-#endif
-
-/*
- * Miscellaneous configurable options
- */
-#define	CONFIG_SYS_LONGHELP				/* undef to save memory		*/
-#define	CONFIG_SYS_PROMPT		"ADS GCPlus # "	/* Monitor Command Prompt	*/
-#define	CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size	*/
-#define	CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
-#define	CONFIG_SYS_MAXARGS		16		/* max number of command args	*/
-#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/
-
-#define CONFIG_SYS_MEMTEST_START	0xc0400000	/* memtest works on	*/
-#define CONFIG_SYS_MEMTEST_END		0xc0800000	/* 4 ... 8 MB in DRAM	*/
-
-#define	CONFIG_SYS_LOAD_ADDR		0xc0000000	/* default load address	*/
-
-#define	CONFIG_SYS_HZ			3686400		/* incrementer freq: 3.6864 MHz */
-#define CONFIG_SYS_CPUSPEED		0x0a		/* set core clock to 206MHz */
-
-						/* valid baudrates */
-#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
-
-/*-----------------------------------------------------------------------
- * Stack sizes
- *
- * The stack sizes are set up in start.S using the settings below
- */
-#define CONFIG_STACKSIZE	(128*1024)	/* regular stack */
-#ifdef CONFIG_USE_IRQ
-#define CONFIG_STACKSIZE_IRQ	(4*1024)	/* IRQ stack */
-#define CONFIG_STACKSIZE_FIQ	(4*1024)	/* FIQ stack */
-#endif
-
-/*-----------------------------------------------------------------------
- * Physical Memory Map
- */
-#define CONFIG_NR_DRAM_BANKS	2	   /* we have 2 banks of DRAM */
-#define PHYS_SDRAM_1		0xc0000000 /* SDRAM Bank #1 */
-#define PHYS_SDRAM_1_SIZE	0x01000000 /* 16 MB */
-#define PHYS_SDRAM_2		0xc8000000 /* SDRAM Bank #2 */
-#define PHYS_SDRAM_2_SIZE	0x01000000 /* 16 MB */
-
-
-#define PHYS_FLASH_1		0x08000000 /* Flash Bank #1 */
-#define PHYS_FLASH_SIZE		0x00800000 /* 8 MB */
-#define PHYS_FLASH_BANK_SIZE    0x01000000 /* 16 MB Banks */
-#define PHYS_FLASH_SECT_SIZE    0x00040000 /* 256 KB sectors (x2) */
-
-#define CONFIG_SYS_FLASH_BASE		PHYS_FLASH_1
-
-/*-----------------------------------------------------------------------
- * FLASH and environment organization
- */
-#if	1
-#define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks */
-#define CONFIG_SYS_MAX_FLASH_SECT	128	/* max number of sectors on one chip */
-
-/* timeout values are in ticks */
-#define CONFIG_SYS_FLASH_ERASE_TOUT	(2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */
-#define CONFIG_SYS_FLASH_WRITE_TOUT	(2*CONFIG_SYS_HZ) /* Timeout for Flash Write */
-#else
-/* REVISIT: This doesn't work on ADS GCPlus just yet: */
-#define CONFIG_SYS_FLASH_CFI           1       /* flash is CFI conformant      */
-#define CONFIG_FLASH_CFI_DRIVER    1       /* use common cfi driver        */
-#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1    /* use buffered writes (20x faster) */
-#define CONFIG_SYS_MAX_FLASH_BANKS     1       /* max # of memory banks        */
-#define CONFIG_SYS_FLASH_INCREMENT     0       /* there is only one bank       */
-#define CONFIG_SYS_MAX_FLASH_SECT      128     /* max # of sectors on one chip */
-/*#define CONFIG_SYS_FLASH_PROTECTION    1       /--* hardware flash protection    */
-#define CONFIG_SYS_FLASH_BANKS_LIST    { CONFIG_SYS_FLASH_BASE }
-#endif
-
-#define	CONFIG_ENV_IS_IN_FLASH	1
-#define CONFIG_ENV_ADDR		(PHYS_FLASH_1 + PHYS_FLASH_SECT_SIZE)	/* Addr of Environment Sector	*/
-#define CONFIG_ENV_SIZE		PHYS_FLASH_SECT_SIZE
-
-#endif	/* __CONFIG_H */
...	...	@@ -624,10 +624,6 @@
624	624
625	625	dockstar ARM926EJS (Kirkwood SoC)
626	626
627		-George G. Davis <gdavis@mvista.com>
628		-
629		- gcplus SA1100
630		-
631	627	Wolfgang Denk <wd@denx.de>
632	628	imx27lite i.MX27
633	629	qong i.MX31
1		-#
2		-# (C) Copyright 2000-2006
3		-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4		-#
5		-# 2003 (c) MontaVista Software, Inc.
6		-#
7		-# See file CREDITS for list of people who contributed to this
8		-# project.
9		-#
10		-# This program is free software; you can redistribute it and/or
11		-# modify it under the terms of the GNU General Public License as
12		-# published by the Free Software Foundation; either version 2 of
13		-# the License, or (at your option) any later version.
14		-#
15		-# This program is distributed in the hope that it will be useful,
16		-# but WITHOUT ANY WARRANTY; without even the implied warranty of
17		-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18		-# GNU General Public License for more details.
19		-#
20		-# You should have received a copy of the GNU General Public License
21		-# along with this program; if not, write to the Free Software
22		-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23		-# MA 02111-1307 USA
24		-#
25		-
26		-include $(TOPDIR)/config.mk
27		-
28		-LIB = $(obj)lib$(BOARD).o
29		-
30		-COBJS := gcplus.o flash.o
31		-SOBJS := lowlevel_init.o
32		-
33		-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
34		-OBJS := $(addprefix $(obj),$(COBJS))
35		-SOBJS := $(addprefix $(obj),$(SOBJS))
36		-
37		-$(LIB): $(obj).depend $(OBJS) $(SOBJS)
38		- $(call cmd_link_o_target, $(OBJS) $(SOBJS))
39		-
40		-clean:
41		- rm -f $(SOBJS) $(OBJS)
42		-
43		-distclean: clean
44		- rm -f $(LIB) core *.bak $(obj).depend
45		-
46		-#########################################################################
47		-
48		-# defines $(obj).depend target
49		-include $(SRCTREE)/rules.mk
50		-
51		-sinclude $(obj).depend
52		-
53		-#########################################################################
1		-#
2		-# ADS GCPlus board with SA1110 cpu
3		-#
4		-# The ADS GCPlus has 2 banks of 16 MiB SDRAM
5		-#
6		-# We use the ADS GCPlus Linux boot ROM to load U-Boot into SDRAM
7		-# at c020'0000 and then move ourself to c8f0'0000. Basically, just
8		-# install the U-Boot binary as you would the Linux zImage and then
9		-# reap the benfits of more convenient Linux development cycles, i.e.
10		-# bootp;tftp;bootm, repeat, etc.,.
11		-#
12		-
13		-CONFIG_SYS_TEXT_BASE = 0xc8f00000
1		-/*
2		- * (C) Copyright 2001
3		- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
4		- *
5		- * (C) Copyright 2001
6		- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7		- *
8		- * 2003 (c) MontaVista Software, Inc.
9		- *
10		- * See file CREDITS for list of people who contributed to this
11		- * project.
12		- *
13		- * This program is free software; you can redistribute it and/or
14		- * modify it under the terms of the GNU General Public License as
15		- * published by the Free Software Foundation; either version 2 of
16		- * the License, or (at your option) any later version.
17		- *
18		- * This program is distributed in the hope that it will be useful,
19		- * but WITHOUT ANY WARRANTY; without even the implied warranty of
20		- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21		- * GNU General Public License for more details.
22		- *
23		- * You should have received a copy of the GNU General Public License
24		- * along with this program; if not, write to the Free Software
25		- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26		- * MA 02111-1307 USA
27		- */
28		-
29		-#include <common.h>
30		-#include <linux/byteorder/swab.h>
31		-
32		-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
33		-
34		-/* Board support for 1 or 2 flash devices */
35		-#define FLASH_PORT_WIDTH32
36		-#undef FLASH_PORT_WIDTH16
37		-
38		-#ifdef FLASH_PORT_WIDTH16
39		-#define FLASH_PORT_WIDTH ushort
40		-#define FLASH_PORT_WIDTHV vu_short
41		-#define SWAP(x) __swab16(x)
42		-#else
43		-#define FLASH_PORT_WIDTH ulong
44		-#define FLASH_PORT_WIDTHV vu_long
45		-#define SWAP(x) __swab32(x)
46		-#endif
47		-
48		-#define FPW FLASH_PORT_WIDTH
49		-#define FPWV FLASH_PORT_WIDTHV
50		-
51		-#define mb() __asm__ __volatile__ ("" : : : "memory")
52		-
53		-/*-----------------------------------------------------------------------
54		- * Functions
55		- */
56		-static ulong flash_get_size(FPW * addr, flash_info_t * info);
57		-static int write_data(flash_info_t * info, ulong dest, FPW data);
58		-static void flash_get_offsets(ulong base, flash_info_t * info);
59		-void inline spin_wheel(void);
60		-
61		-/*-----------------------------------------------------------------------
62		- */
63		-
64		-unsigned long
65		-flash_init(void)
66		-{
67		- int i;
68		- ulong size = 0;
69		-
70		- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
71		- switch (i) {
72		- case 0:
73		- flash_get_size((FPW *) PHYS_FLASH_1, &flash_info[i]);
74		- flash_get_offsets(PHYS_FLASH_1, &flash_info[i]);
75		- break;
76		- default:
77		- panic("configured too many flash banks!\n");
78		- break;
79		- }
80		- size += flash_info[i].size;
81		- }
82		-
83		- /* Protect monitor and environment sectors
84		- */
85		- flash_protect(FLAG_PROTECT_SET,
86		- CONFIG_SYS_FLASH_BASE,
87		- CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]);
88		-
89		- flash_protect(FLAG_PROTECT_SET,
90		- CONFIG_ENV_ADDR,
91		- CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]);
92		-
93		- return size;
94		-}
95		-
96		-/*-----------------------------------------------------------------------
97		- */
98		-static void
99		-flash_get_offsets(ulong base, flash_info_t * info)
100		-{
101		- int i;
102		-
103		- if (info->flash_id == FLASH_UNKNOWN) {
104		- return;
105		- }
106		-
107		- if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
108		- for (i = 0; i < info->sector_count; i++) {
109		- info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE);
110		- info->protect[i] = 0;
111		- }
112		- }
113		-}
114		-
115		-/*-----------------------------------------------------------------------
116		- */
117		-void
118		-flash_print_info(flash_info_t * info)
119		-{
120		- int i;
121		-
122		- if (info->flash_id == FLASH_UNKNOWN) {
123		- printf("missing or unknown FLASH type\n");
124		- return;
125		- }
126		-
127		- switch (info->flash_id & FLASH_VENDMASK) {
128		- case FLASH_MAN_INTEL:
129		- printf("INTEL ");
130		- break;
131		- default:
132		- printf("Unknown Vendor ");
133		- break;
134		- }
135		-
136		- switch (info->flash_id & FLASH_TYPEMASK) {
137		- case FLASH_28F128J3A:
138		- printf("28F128J3A\n");
139		- break;
140		- case FLASH_28F640J5:
141		- printf("28F640J5\n");
142		- break;
143		- default:
144		- printf("Unknown Chip Type\n");
145		- break;
146		- }
147		-
148		- printf(" Size: %ld MB in %d Sectors\n",
149		- info->size >> 20, info->sector_count);
150		-
151		- printf(" Sector Start Addresses:");
152		- for (i = 0; i < info->sector_count; ++i) {
153		- if ((i % 5) == 0)
154		- printf("\n ");
155		- printf(" %08lX%s",
156		- info->start[i], info->protect[i] ? " (RO)" : " ");
157		- }
158		- printf("\n");
159		- return;
160		-}
161		-
162		-/*
163		- * The following code cannot be run from FLASH!
164		- */
165		-static ulong
166		-flash_get_size(FPW * addr, flash_info_t * info)
167		-{
168		- volatile FPW value;
169		- /* Write auto select command: read Manufacturer ID */
170		- addr[0x5555] = (FPW) 0x00AA00AA;
171		- addr[0x2AAA] = (FPW) 0x00550055;
172		- addr[0x5555] = (FPW) 0x00900090;
173		-
174		- mb();
175		- value = addr[0];
176		-
177		- switch (value) {
178		-
179		- case (FPW) INTEL_MANUFACT:
180		- info->flash_id = FLASH_MAN_INTEL;
181		- break;
182		-
183		- default:
184		- info->flash_id = FLASH_UNKNOWN;
185		- info->sector_count = 0;
186		- info->size = 0;
187		- addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
188		- return (0); /* no or unknown flash */
189		- }
190		-
191		- mb();
192		- value = addr[1]; /* device ID */
193		- switch (value) {
194		- case (FPW) INTEL_ID_28F128J3A:
195		- info->flash_id += FLASH_28F128J3A;
196		- info->sector_count = 128;
197		- info->size = 0x02000000;
198		- break; /* => 16 MB */
199		- case (FPW) INTEL_ID_28F640J5:
200		- info->flash_id += FLASH_28F640J5;
201		- info->sector_count = 64;
202		- info->size = 0x01000000;
203		- break; /* => 16 MB */
204		-
205		- default:
206		- info->flash_id = FLASH_UNKNOWN;
207		- break;
208		- }
209		-
210		- if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
211		- printf(" ERROR: sector count %d > max (%d) \n",
212		- info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
213		- info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
214		- }
215		-
216		- addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
217		-
218		- return (info->size);
219		-}
220		-
221		-/*-----------------------------------------------------------------------
222		- */
223		-
224		-int
225		-flash_erase(flash_info_t * info, int s_first, int s_last)
226		-{
227		- int flag, prot, sect;
228		- ulong type, start;
229		- int rcode = 0;
230		-
231		- if ((s_first < 0) \|\| (s_first > s_last)) {
232		- if (info->flash_id == FLASH_UNKNOWN) {
233		- printf("- missing\n");
234		- } else {
235		- printf("- no sectors to erase\n");
236		- }
237		- return 1;
238		- }
239		-
240		- type = (info->flash_id & FLASH_VENDMASK);
241		- if ((type != FLASH_MAN_INTEL)) {
242		- printf("Can't erase unknown flash type %08lx - aborted\n",
243		- info->flash_id);
244		- return 1;
245		- }
246		-
247		- prot = 0;
248		- for (sect = s_first; sect <= s_last; ++sect) {
249		- if (info->protect[sect]) {
250		- prot++;
251		- }
252		- }
253		-
254		- if (prot) {
255		- printf("- Warning: %d protected sectors will not be erased!\n",
256		- prot);
257		- } else {
258		- printf("\n");
259		- }
260		-
261		- /* Disable interrupts which might cause a timeout here */
262		- flag = disable_interrupts();
263		-
264		- /* Start erase on unprotected sectors */
265		- for (sect = s_first; sect <= s_last; sect++) {
266		- if (info->protect[sect] == 0) { /* not protected */
267		- FPWV addr = (FPWV ) (info->start[sect]);
268		- FPW status;
269		-
270		- printf("Erasing sector %2d ... ", sect);
271		-
272		- /* arm simple, non interrupt dependent timer */
273		- start = get_timer(0);
274		-
275		- addr = (FPW) 0x00500050; / clear status register */
276		- addr = (FPW) 0x00200020; / erase setup */
277		- addr = (FPW) 0x00D000D0; / erase confirm */
278		-
279		- while (((status =
280		- *addr) & (FPW) 0x00800080) !=
281		- (FPW) 0x00800080) {
282		- if (get_timer(start) > CONFIG_SYS_FLASH_ERASE_TOUT) {
283		- printf("Timeout\n");
284		- addr = (FPW) 0x00B000B0; / suspend erase */
285		- addr = (FPW) 0x00FF00FF; / reset to read mode */
286		- rcode = 1;
287		- break;
288		- }
289		- }
290		-
291		- addr = (FPW) 0x00500050; / clear status register cmd. */
292		- addr = (FPW) 0x00FF00FF; / resest to read mode */
293		-
294		- printf(" done\n");
295		- }
296		- }
297		- return rcode;
298		-}
299		-
300		-/*-----------------------------------------------------------------------
301		- * Copy memory to flash, returns:
302		- * 0 - OK
303		- * 1 - write timeout
304		- * 2 - Flash not erased
305		- * 4 - Flash not identified
306		- */
307		-
308		-int
309		-write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
310		-{
311		- ulong cp, wp;
312		- FPW data;
313		- int count, i, l, rc, port_width;
314		-
315		- if (info->flash_id == FLASH_UNKNOWN) {
316		- return 4;
317		- }
318		-/* get lower word aligned address */
319		-#ifdef FLASH_PORT_WIDTH16
320		- wp = (addr & ~1);
321		- port_width = 2;
322		-#else
323		- wp = (addr & ~3);
324		- port_width = 4;
325		-#endif
326		-
327		- /*
328		- * handle unaligned start bytes
329		- */
330		- if ((l = addr - wp) != 0) {
331		- data = 0;
332		- for (i = 0, cp = wp; i < l; ++i, ++cp) {
333		- data = (data << 8) \| ((uchar ) cp);
334		- }
335		- for (; i < port_width && cnt > 0; ++i) {
336		- data = (data << 8) \| *src++;
337		- --cnt;
338		- ++cp;
339		- }
340		- for (; cnt == 0 && i < port_width; ++i, ++cp) {
341		- data = (data << 8) \| ((uchar ) cp);
342		- }
343		-
344		- if ((rc = write_data(info, wp, SWAP(data))) != 0) {
345		- return (rc);
346		- }
347		- wp += port_width;
348		- }
349		-
350		- /*
351		- * handle word aligned part
352		- */
353		- count = 0;
354		- while (cnt >= port_width) {
355		- data = 0;
356		- for (i = 0; i < port_width; ++i) {
357		- data = (data << 8) \| *src++;
358		- }
359		- if ((rc = write_data(info, wp, SWAP(data))) != 0) {
360		- return (rc);
361		- }
362		- wp += port_width;
363		- cnt -= port_width;
364		- if (count++ > 0x800) {
365		- spin_wheel();
366		- count = 0;
367		- }
368		- }
369		-
370		- if (cnt == 0) {
371		- return (0);
372		- }
373		-
374		- /*
375		- * handle unaligned tail bytes
376		- */
377		- data = 0;
378		- for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
379		- data = (data << 8) \| *src++;
380		- --cnt;
381		- }
382		- for (; i < port_width; ++i, ++cp) {
383		- data = (data << 8) \| ((uchar ) cp);
384		- }
385		-
386		- return (write_data(info, wp, SWAP(data)));
387		-}
388		-
389		-/*-----------------------------------------------------------------------
390		- * Write a word or halfword to Flash, returns:
391		- * 0 - OK
392		- * 1 - write timeout
393		- * 2 - Flash not erased
394		- */
395		-static int
396		-write_data(flash_info_t * info, ulong dest, FPW data)
397		-{
398		- FPWV addr = (FPWV ) dest;
399		- ulong status;
400		- int flag;
401		- ulong start;
402		-
403		- /* Check if Flash is (sufficiently) erased */
404		- if ((*addr & data) != data) {
405		- printf("not erased at %08lX (%lX)\n", (ulong) addr, *addr);
406		- return (2);
407		- }
408		- /* Disable interrupts which might cause a timeout here */
409		- flag = disable_interrupts();
410		-
411		- addr = (FPW) 0x00400040; / write setup */
412		- *addr = data;
413		-
414		- /* arm simple, non interrupt dependent timer */
415		- start = get_timer(0);
416		-
417		- /* wait while polling the status register */
418		- while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
419		- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
420		- addr = (FPW) 0x00FF00FF; / restore read mode */
421		- return (1);
422		- }
423		- }
424		-
425		- addr = (FPW) 0x00FF00FF; / restore read mode */
426		-
427		- return (0);
428		-}
429		-
430		-void inline
431		-spin_wheel(void)
432		-{
433		- static int p = 0;
434		- static char w[] = "\\/-";
435		-
436		- printf("\010%c", w[p]);
437		- (++p == 3) ? (p = 0) : 0;
438		-}
1		-/*
2		- * (C) Copyright 2002
3		- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4		- * Marius Groeger <mgroeger@sysgo.de>
5		- *
6		- * 2003-2004 (c) MontaVista Software, Inc.
7		- *
8		- * See file CREDITS for list of people who contributed to this
9		- * project.
10		- *
11		- * This program is free software; you can redistribute it and/or
12		- * modify it under the terms of the GNU General Public License as
13		- * published by the Free Software Foundation; either version 2 of
14		- * the License, or (at your option) any later version.
15		- *
16		- * This program is distributed in the hope that it will be useful,
17		- * but WITHOUT ANY WARRANTY; without even the implied warranty of
18		- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19		- * GNU General Public License for more details.
20		- *
21		- * You should have received a copy of the GNU General Public License
22		- * along with this program; if not, write to the Free Software
23		- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24		- * MA 02111-1307 USA
25		- */
26		-
27		-#include <common.h>
28		-#include <netdev.h>
29		-#include <SA-1100.h>
30		-
31		-DECLARE_GLOBAL_DATA_PTR;
32		-
33		-/*
34		- * Miscelaneous platform dependent initialisations
35		- */
36		-
37		-int
38		-board_init(void)
39		-{
40		- gd->bd->bi_arch_number = MACH_TYPE_GRAPHICSCLIENT;
41		-
42		- gd->bd->bi_boot_params = 0xc000003c; /* Weird address? */
43		-
44		- /* Most of the ADS GCPlus I/O is connected to Static nCS2.
45		- * So I'm brute forcing nCS2 timiming here for worst case.
46		- */
47		- MSC1 &= ~0xFFFF;
48		- MSC1 \|= 0x8649;
49		-
50		- /* Nothing is connected to Static nCS4 or nCS5. But I'm using
51		- * nCS4 as a paranoia safe guard to force nCS2, nOE; nWE high
52		- * after accessing I/O via (non-VLIO) nCS2. What can I say, I'm
53		- * paranoid and lack decent tools to alleviate my fear. I sure
54		- * do wish I had a logic analyzer. : (
55		- */
56		-
57		- MSC2 = 0xfff9fff9;
58		-
59		- return 0;
60		-}
61		-
62		-int
63		-dram_init(void)
64		-{
65		- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
66		- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
67		- gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
68		- gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
69		-
70		- return (0);
71		-}
72		-
73		-#ifdef CONFIG_CMD_NET
74		-int board_eth_init(bd_t *bis)
75		-{
76		- int rc = 0;
77		-#ifdef CONFIG_LAN91C96
78		- rc = lan91c96_initialize(0, CONFIG_LAN91C96_BASE);
79		-#endif
80		- return rc;
81		-}
82		-#endif
1		-/*
2		- * Memory Setup stuff - taken from blob memsetup.S
3		- *
4		- * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
5		- * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
6		- * 2003-2004 (c) MontaVista Software, Inc.
7		- *
8		- * See file CREDITS for list of people who contributed to this
9		- * project.
10		- *
11		- * This program is free software; you can redistribute it and/or
12		- * modify it under the terms of the GNU General Public License as
13		- * published by the Free Software Foundation; either version 2 of
14		- * the License, or (at your option) any later version.
15		- *
16		- * This program is distributed in the hope that it will be useful,
17		- * but WITHOUT ANY WARRANTY; without even the implied warranty of
18		- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19		- * GNU General Public License for more details.
20		- *
21		- * You should have received a copy of the GNU General Public License
22		- * along with this program; if not, write to the Free Software
23		- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24		- * MA 02111-1307 USA
25		- */
26		-
27		-
28		-#include "config.h"
29		-#include "version.h"
30		-
31		-
32		- .globl lowlevel_init
33		-lowlevel_init:
34		- /* The ADS GC+ for Linux Boot Rom Ver. 1.73 does memory init for us.
35		- * However the darn thing leaves the MMU enabled before handing control
36		- * over to us. So we need to disable the MMU and we use lowlevel_init
37		- * to do it.
38		- */
39		-
40		-@ The following code segment was borrowed with gratitude from:
41		-@ linux-2.4.19-rmk7/arch/arm/boot/compressed/head-sa1100.S
42		-
43		- @ Data cache might be active.
44		- @ Be sure to flush kernel binary out of the cache,
45		- @ whatever state it is, before it is turned off.
46		- @ This is done by fetching through currently executed
47		- @ memory to be sure we hit the same cache.
48		- bic r2, pc, #0x1f
49		- add r3, r2, #0x4000 @ 16 kb is quite enough...
50		-1: ldr r0, [r2], #32
51		- teq r2, r3
52		- bne 1b
53		- mcr p15, 0, r0, c7, c10, 4 @ drain WB
54		- mcr p15, 0, r0, c7, c7, 0 @ flush I & D caches
55		-
56		- @ disabling MMU and caches
57		- mrc p15, 0, r0, c1, c0, 0 @ read control reg
58		- bic r0, r0, #0x0d @ clear WB, DC, MMU
59		- bic r0, r0, #0x1000 @ clear Icache
60		- mcr p15, 0, r0, c1, c0, 0
61		-
62		- nop
63		- nop
64		- nop
65		- nop
66		- nop
67		-
68		- b 2f
69		-2:
70		- nop
71		- nop
72		- nop
73		- nop
74		- nop
75		-
76		-
77		- mov pc, lr
...	...	@@ -219,7 +219,6 @@
219	219	xm250 arm pxa
220	220	zipitz2 arm pxa
221	221	zylonite arm pxa
222		-gcplus arm sa1100
223	222	jornada arm sa1100
224	223	lart arm sa1100
225	224	shannon arm sa1100
...	...	@@ -11,6 +11,7 @@
11	11
12	12	Board Arch CPU removed Commit last known maintainer/contact
13	13	=============================================================================
	14	+gcplus arm sa1100 - 2011-09-05 George G. Davis <gdavis@mvista.com>
14	15	evb4510 arm arm720t - 2011-09-05 Curt Brune <curt@cucy.com>
15	16	ep7312 arm arm720t - 2011-09-05 Marius Gröger <mag@sysgo.de>
16	17	dnp1110 arm sa1100 - 2011-09-05 Alex Züpke <azu@sysgo.de>