diff options
| -rw-r--r-- | MAINTAINERS | 4 | ||||
| -rw-r--r-- | board/gcplus/Makefile | 53 | ||||
| -rw-r--r-- | board/gcplus/config.mk | 13 | ||||
| -rw-r--r-- | board/gcplus/flash.c | 438 | ||||
| -rw-r--r-- | board/gcplus/gcplus.c | 82 | ||||
| -rw-r--r-- | board/gcplus/lowlevel_init.S | 77 | ||||
| -rw-r--r-- | boards.cfg | 1 | ||||
| -rw-r--r-- | doc/README.scrapyard | 1 | ||||
| -rw-r--r-- | include/configs/gcplus.h | 185 | 
9 files changed, 1 insertions, 853 deletions
| diff --git a/MAINTAINERS b/MAINTAINERS index 83d36566e..b001f6410 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -624,10 +624,6 @@ Eric Cooper <ecc@cmu.edu>  	dockstar	ARM926EJS (Kirkwood SoC) -George G. Davis <gdavis@mvista.com> - -	gcplus		SA1100 -  Wolfgang Denk <wd@denx.de>  	imx27lite	i.MX27  	qong		i.MX31 diff --git a/board/gcplus/Makefile b/board/gcplus/Makefile deleted file mode 100644 index e62aa1b03..000000000 --- a/board/gcplus/Makefile +++ /dev/null @@ -1,53 +0,0 @@ -# -# (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 - -######################################################################### diff --git a/board/gcplus/config.mk b/board/gcplus/config.mk deleted file mode 100644 index a9bd3ff01..000000000 --- a/board/gcplus/config.mk +++ /dev/null @@ -1,13 +0,0 @@ -# -# 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 diff --git a/board/gcplus/flash.c b/board/gcplus/flash.c deleted file mode 100644 index ab567e8fa..000000000 --- a/board/gcplus/flash.c +++ /dev/null @@ -1,438 +0,0 @@ -/* - * (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; -} diff --git a/board/gcplus/gcplus.c b/board/gcplus/gcplus.c deleted file mode 100644 index 71607f222..000000000 --- a/board/gcplus/gcplus.c +++ /dev/null @@ -1,82 +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 diff --git a/board/gcplus/lowlevel_init.S b/board/gcplus/lowlevel_init.S deleted file mode 100644 index f292c4d28..000000000 --- a/board/gcplus/lowlevel_init.S +++ /dev/null @@ -1,77 +0,0 @@ -/* - * 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 diff --git a/boards.cfg b/boards.cfg index 940909f39..6e2c5e139 100644 --- a/boards.cfg +++ b/boards.cfg @@ -219,7 +219,6 @@ xaeniax                      arm         pxa  xm250                        arm         pxa  zipitz2                      arm         pxa  zylonite                     arm         pxa -gcplus                       arm         sa1100  jornada                      arm         sa1100  lart                         arm         sa1100  shannon                      arm         sa1100 diff --git a/doc/README.scrapyard b/doc/README.scrapyard index f0da31c89..d13709086 100644 --- a/doc/README.scrapyard +++ b/doc/README.scrapyard @@ -11,6 +11,7 @@ easily if here is something they might want to dig for...  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> diff --git a/include/configs/gcplus.h b/include/configs/gcplus.h deleted file mode 100644 index 9412daa27..000000000 --- a/include/configs/gcplus.h +++ /dev/null @@ -1,185 +0,0 @@ -/* - * (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 */ |