u-boot-lpc2294.patch

将U-boot1.1.4移植到了MagicARM2200平台。Nor_Flash_SST39VF1601检测正常。网络芯片DM9000E工作正常。没有能够实现Nand_Flash的驱动。

+.equ    B6_SCAN,      0x0 /* 10bit */
+
+.equ    B7_MT,        0x3 /* SDRAM */
+.equ    B7_Trcd,      0x0 /* 2clk */
+.equ    B7_SCAN,      0x0 /* 10bit */
+
+
+/* REFRESH parameter */
+.equ    REFEN,        0x1 /* Refresh enable */
+.equ    TREFMD,       0x0 /* CBR(CAS before RAS)/Auto refresh */
+.equ    Trp,        0x0 /* 2clk */
+.equ    Trc,        0x3 /* 0x1=5clk 0x3=11clk*/
+.equ    Tchr,       0x0 /* 0x2=3clk 0x0=0clks  */
+.equ    REFCNT,       879
+
+MEMORY_CONFIG:
+  .long   0x12111900 /* Bank0 = OM[1:0] , Bank1-7 16bit, Bank2=Nowait,UB/LB*/
+  .word ((B0_Tacs<<13)+(B0_Tcos<<11)+(B0_Tacc<<8)+(B0_Tcoh<<6)+(B0_Tah<<4)+(B0_Tacp<<2)+(B0_PMC)) /*GCS0*/
+  .word ((B1_Tacs<<13)+(B1_Tcos<<11)+(B1_Tacc<<8)+(B1_Tcoh<<6)+(B1_Tah<<4)+(B1_Tacp<<2)+(B1_PMC)) /*GCS1*/
+  .word ((B2_Tacs<<13)+(B2_Tcos<<11)+(B2_Tacc<<8)+(B2_Tcoh<<6)+(B2_Tah<<4)+(B2_Tacp<<2)+(B2_PMC)) /*GCS2*/
+  .word ((B3_Tacs<<13)+(B3_Tcos<<11)+(B3_Tacc<<8)+(B3_Tcoh<<6)+(B3_Tah<<4)+(B3_Tacp<<2)+(B3_PMC)) /*GCS3*/
+  .word ((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC)) /*GCS4*/
+  .word ((B5_Tacs<<13)+(B5_Tcos<<11)+(B5_Tacc<<8)+(B5_Tcoh<<6)+(B5_Tah<<4)+(B5_Tacp<<2)+(B5_PMC)) /*GCS5*/
+  .word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN))  /*GCS6*/
+  .word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN))  /*GCS7*/
+  .word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT)  /*REFRESH RFEN=1, TREFMD=0, trp=3clk, trc=5clk, tchr=3clk,count=1019*/
+  .word 0x17      /*SCLK power down mode, BANKSIZE 16M/16M*/
+  .word 0x20      /*MRSR6 CL=2clk*/
+  .word 0x20      /*MRSR7*/
+
+#define MAMCR 0xE01FC000
+#define MAMTIM 0xE01FC004
+#define VICIntEnClr 0xFFFFF014
+#define VICVectAddr 0xFFFFF030
+#define VICIntSelect 0xFFFFF00C
+
+.globl lowlevel_init
+lowlevel_init:
+
+/* Set MAM parameters */
+	ldr r0, =MAMCR
+  ldr r1, =0x0
+  str r1, [r0]
+  
+  ldr r0, =MAMTIM
+  ldr r1, =0x3
+  str r1, [r0]
+  
+  ldr r0, =MAMCR
+  ldr r1, =0x2
+  str r1, [r0]
+  
+  ldr r0, =VICIntEnClr
+  ldr r1, =0xffffffff
+  str r1, [r0]
+  
+  ldr r0, =VICVectAddr
+  ldr r1, =0x0
+  str r1, [r0]
+  ldr r0, =VICIntSelect
+  str r1, [r0]
+  
+	mov pc, lr
+
diff -Naur u-boot-origin/board/lpc2294/lpc2294.c u-boot-1.1.3/board/lpc2294/lpc2294.c
--- u-boot-origin/board/lpc2294/lpc2294.c	1970-01-01 07:00:00.000000000 +0700
+++ u-boot-1.1.3/board/lpc2294/lpc2294.c	2005-09-07 09:43:56.000000000 +0800
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2004	Cucy Systems (http://www.cucy.com)
+ * Curt Brune <[e-mail]>
+ *
+ * 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 <asm/hardware.h>
+#include <command.h>
+
+
+
+
+int board_init (void)
+{
+
+
+	/*we have nothing to do here*/
+
+	return 0;
+}
+
+int dram_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size  = PHYS_SDRAM_1_SIZE;
+#if CONFIG_NR_DRAM_BANKS == 2
+	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+	gd->bd->bi_dram[1].size  = PHYS_SDRAM_2_SIZE;
+#endif
+	return 0;
+}
+
diff -Naur u-boot-origin/board/lpc2294/Makefile u-boot-1.1.3/board/lpc2294/Makefile
--- u-boot-origin/board/lpc2294/Makefile	1970-01-01 07:00:00.000000000 +0700
+++ u-boot-1.1.3/board/lpc2294/Makefile	2005-09-07 09:43:56.000000000 +0800
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, [e-mail].
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	:= lpc2294.o flash.o
+SOBJS	:= lowlevel_init.o
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $^
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
diff -Naur u-boot-origin/board/lpc2294/u-boot.lds u-boot-1.1.3/board/lpc2294/u-boot.lds
--- u-boot-origin/board/lpc2294/u-boot.lds	1970-01-01 07:00:00.000000000 +0700
+++ u-boot-1.1.3/board/lpc2294/u-boot.lds	2005-09-07 09:43:56.000000000 +0800
@@ -0,0 +1,57 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, [e-mail].
+ *
+ * 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
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text      :
+	{
+	  cpu/arm7tdmi/start.o	(.text)
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data : { *(.data) }
+
+	. = ALIGN(4);
+	.got : { *(.got) }
+
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+	armboot_end_data = .;
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss) }
+	_end = .;
+}
diff -Naur u-boot-origin/cpu/arm7tdmi/config.mk u-boot-1.1.3/cpu/arm7tdmi/config.mk
--- u-boot-origin/cpu/arm7tdmi/config.mk	1970-01-01 07:00:00.000000000 +0700
+++ u-boot-1.1.3/cpu/arm7tdmi/config.mk	2005-09-07 09:43:36.000000000 +0800
@@ -0,0 +1,28 @@
+#
+# (C) Copyright 2002
+# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+# Marius Groeger <[e-mail]>
+#
+# 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
+#
+
+PLATFORM_RELFLAGS += -fno-strict-aliasing  -fno-common -ffixed-r8 \
+	-mshort-load-bytes -msoft-float
+
+PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=arm7tdmi -msoft-float
diff -Naur u-boot-origin/cpu/arm7tdmi/cpu.c u-boot-1.1.3/cpu/arm7tdmi/cpu.c
--- u-boot-origin/cpu/arm7tdmi/cpu.c	1970-01-01 07:00:00.000000000 +0700
+++ u-boot-1.1.3/cpu/arm7tdmi/cpu.c	2005-09-07 09:43:36.000000000 +0800
@@ -0,0 +1,145 @@
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:[e-mail]
+ *
+ * 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
+ */
+
+/*
+ * S3C44B0 CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/hardware.h>
+
+
+
+
+int cpu_init (void)
+{
+	/*we have nothing to do here,cause we have no cache 
+	 *icache_enable();
+   */
+	return 0;
+}
+
+int cleanup_before_linux (void)
+{
+	/*
+		cache memory should be enabled before calling
+		Linux to make the kernel uncompression faster
+	*/
+	/*we have nothing to do here,cause we have no cache
+	 *icache_enable();
+   */
+	disable_interrupts ();
+
+	return 0;
+}
+
+void reset_cpu (ulong addr)
+{
+	/*
+		reset the cpu using watchdog
+	*/
+	
+	/* set the timeout value ,the minimum value is 0xff */
+  WDTC=0x000000ff;
+  /* setup the watchdog mode */
+  WDMOD=0x03;
+  /* start the watchdog */
+  WDFEED=0xaa;
+  WDFEED=0x55;
+  
+  /*wait ...*/
+	while(1) {
+		/*NOP*/
+	}
+}
+
+int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	extern void reset_cpu (ulong addr);
+
+	disable_interrupts ();
+	reset_cpu (0);
+
+	/*NOTREACHED*/
+	return (0);
+}
+
+void icache_enable (void)
+{
+}
+
+void icache_disable (void)
+{
+}
+
+int icache_status (void)
+{
+	return 0;
+}
+
+void dcache_enable (void)
+{
+	icache_enable();
+}
+
+void dcache_disable (void)
+{
+	icache_disable();
+}
+
+int dcache_status (void)
+{
+	return icache_status();
+}
+
+/*
+	RTC stuff
+*/
+#include <rtc.h>
+#ifndef BCD2HEX
+	#define BCD2HEX(n)  ((n>>4)*10+(n&0x0f))
+#endif
+#ifndef HEX2BCD
+	#define HEX2BCD(x) ((((x) / 10) << 4) + (x) % 10)
+#endif
+
+void rtc_get (struct rtc_time* tm)
+{
+	
+}
+
+void rtc_set (struct rtc_time* tm)
+{
+	
+}
+
+void rtc_reset (void)
+{
+	
+}
+
+
diff -Naur u-boot-origin/cpu/arm7tdmi/interrupts.c u-boot-1.1.3/cpu/arm7tdmi/interrupts.c
--- u-boot-origin/cpu/arm7tdmi/interrupts.c	1970-01-01 07:00:00.000000000 +0700
+++ u-boot-1.1.3/cpu/arm7tdmi/interrupts.c	2005-09-07 09:43:36.000000000 +0800
@@ -0,0 +1,232 @@
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:[e-mail]
+ *
+ * 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 <asm/hardware.h>
+
+#include <asm/proc-armv/ptrace.h>
+
+extern void reset_cpu(ulong addr);
+
+/* we always count down the max. */
+#define TIMER_LOAD_VAL 0xffff
+
+/* macro to read the 16 bit timer */
+#define READ_TIMER (T0TC & 0xffff)
+
+#ifdef CONFIG_USE_IRQ
+#error CONFIG_USE_IRQ NOT supported
+#else
+void enable_interrupts (void)
+{
+	return;
+}
+int disable_interrupts (void)
+{
+	return 0;
+}