magic-boot-2440-v1.0.patch

三星2440,超強bootloader,使用vivi下去做修改的.....歡迎使用

+	if (cnt == 0) {
+		return ERR_OK;
+	}
+
+	/*
+	 * handle unaligned tail bytes
+	 */
+	data = 0;
+	for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) {
+		data = (data >> 8) | (*src++ << 8);
+		--cnt;
+	}
+	for (; i < 2; ++i, ++cp) {
+		data = (data >> 8) | (*(uchar *) cp << 8);
+	}
+
+	return write_hword (info, wp, data);
+}
diff -Nur u-boot-1.2.0/board/max2440p/lowlevel_init.S magic-boot-2440-v1.0/board/max2440p/lowlevel_init.S
--- u-boot-1.2.0/board/max2440p/lowlevel_init.S	1970-01-01 08:00:00.000000000 +0800
+++ magic-boot-2440-v1.0/board/max2440p/lowlevel_init.S	2007-06-29 17:42:00.000000000 +0800
@@ -0,0 +1,167 @@
+/*
+ * Memory Setup stuff - taken from blob memsetup.S
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw ([e-mail]) and
+ *                     Jan-Derk Bakker ([e-mail])
+ *
+ * Modified for the Samsung SMDK2410 by
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <[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 <config.h>
+#include <version.h>
+
+
+/* some parameters for the board */
+
+/*
+ *
+ * Taken from linux/arch/arm/boot/compressed/head-s3c2410.S
+ *
+ * Copyright (C) 2002 Samsung Electronics SW.LEE  <[e-mail]>
+ *
+ */
+
+#define BWSCON	0x48000000
+
+/* BWSCON */
+#define DW8		 	(0x0)
+#define DW16		 	(0x1)
+#define DW32		 	(0x2)
+#define WAIT		 	(0x1<<2)
+#define UBLB		 	(0x1<<3)
+
+#define B1_BWSCON	  	(DW32)
+#define B2_BWSCON	  	(DW16)
+#define B3_BWSCON	  	(DW16 + WAIT + UBLB)
+#define B4_BWSCON	  	(DW16)
+#define B5_BWSCON	  	(DW16)
+#define B6_BWSCON	  	(DW32)
+#define B7_BWSCON	  	(DW32)
+
+/* BANK0CON */
+#define B0_Tacs		 	0x0	/*  0clk */
+#define B0_Tcos		 	0x0	/*  0clk */
+#define B0_Tacc		 	0x7	/* 14clk */
+#define B0_Tcoh		 	0x0	/*  0clk */
+#define B0_Tah		 	0x0	/*  0clk */
+#define B0_Tacp		 	0x0
+#define B0_PMC		 	0x0	/* normal */
+
+/* BANK1CON */
+#define B1_Tacs		 	0x0	/*  0clk */
+#define B1_Tcos		 	0x0	/*  0clk */
+#define B1_Tacc		 	0x7	/* 14clk */
+#define B1_Tcoh		 	0x0	/*  0clk */
+#define B1_Tah		 	0x0	/*  0clk */
+#define B1_Tacp		 	0x0
+#define B1_PMC		 	0x0
+
+#define B2_Tacs		 	0x0
+#define B2_Tcos		 	0x0
+#define B2_Tacc		 	0x7
+#define B2_Tcoh		 	0x0
+#define B2_Tah		 	0x0
+#define B2_Tacp		 	0x0
+#define B2_PMC		 	0x0
+
+#define B3_Tacs		 	0x0	/*  0clk */
+#define B3_Tcos		 	0x3	/*  4clk */
+#define B3_Tacc		 	0x7	/* 14clk */
+#define B3_Tcoh		 	0x1	/*  1clk */
+#define B3_Tah		 	0x0	/*  0clk */
+#define B3_Tacp		 	0x3     /*  6clk */
+#define B3_PMC		 	0x0	/* normal */
+
+#define B4_Tacs		 	0x0	/*  0clk */
+#define B4_Tcos		 	0x0	/*  0clk */
+#define B4_Tacc		 	0x7	/* 14clk */
+#define B4_Tcoh		 	0x0	/*  0clk */
+#define B4_Tah		 	0x0	/*  0clk */
+#define B4_Tacp		 	0x0
+#define B4_PMC		 	0x0	/* normal */
+
+#define B5_Tacs		 	0x0	/*  0clk */
+#define B5_Tcos		 	0x0	/*  0clk */
+#define B5_Tacc		 	0x7	/* 14clk */
+#define B5_Tcoh		 	0x0	/*  0clk */
+#define B5_Tah		 	0x0	/*  0clk */
+#define B5_Tacp		 	0x0
+#define B5_PMC		 	0x0	/* normal */
+
+#define B6_MT		 	0x3	/* SDRAM */
+#define B6_Trcd	 	 	0x1
+#define B6_SCAN		 	0x1	/* 9bit */
+
+#define B7_MT		 	0x3	/* SDRAM */
+#define B7_Trcd		 	0x1	/* 3clk */
+#define B7_SCAN		 	0x1	/* 9bit */
+
+/* REFRESH parameter */
+#define REFEN		 	0x1	/* Refresh enable */
+#define TREFMD		 	0x0	/* CBR(CAS before RAS)/Auto refresh */
+#define Trp		 	0x0	/* 2clk */
+#define Trc		 	0x3	/* 7clk */
+#define Tchr		 	0x2	/* 3clk */
+#define REFCNT		 	1113	/* period=15.6us, HCLK=60Mhz, (2048+1-15.6*60) */
+/**************************************/
+
+_TEXT_BASE:
+	.word	TEXT_BASE
+
+.globl lowlevel_init
+lowlevel_init:
+	/* memory control configuration */
+	/* make r0 relative the current location so that it */
+	/* reads SMRDATA out of FLASH rather than memory ! */
+	ldr     r0, =SMRDATA
+	ldr	r1, _TEXT_BASE
+	sub	r0, r0, r1
+	ldr	r1, =BWSCON	/* Bus Width Status Controller */
+	add     r2, r0, #13*4
+0:
+	ldr     r3, [r0], #4
+	str     r3, [r1], #4
+	cmp     r2, r0
+	bne     0b
+
+	/* everything is fine now */
+	mov	pc, lr
+
+	.ltorg
+/* the literal pools origin */
+
+SMRDATA:
+    .word (0+(B1_BWSCON<<4)+(B2_BWSCON<<8)+(B3_BWSCON<<12)+(B4_BWSCON<<16)+(B5_BWSCON<<20)+(B6_BWSCON<<24)+(B7_BWSCON<<28))
+    .word ((B0_Tacs<<13)+(B0_Tcos<<11)+(B0_Tacc<<8)+(B0_Tcoh<<6)+(B0_Tah<<4)+(B0_Tacp<<2)+(B0_PMC))
+    .word ((B1_Tacs<<13)+(B1_Tcos<<11)+(B1_Tacc<<8)+(B1_Tcoh<<6)+(B1_Tah<<4)+(B1_Tacp<<2)+(B1_PMC))
+    .word ((B2_Tacs<<13)+(B2_Tcos<<11)+(B2_Tacc<<8)+(B2_Tcoh<<6)+(B2_Tah<<4)+(B2_Tacp<<2)+(B2_PMC))
+    .word ((B3_Tacs<<13)+(B3_Tcos<<11)+(B3_Tacc<<8)+(B3_Tcoh<<6)+(B3_Tah<<4)+(B3_Tacp<<2)+(B3_PMC))
+    .word ((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC))
+    .word ((B5_Tacs<<13)+(B5_Tcos<<11)+(B5_Tacc<<8)+(B5_Tcoh<<6)+(B5_Tah<<4)+(B5_Tacp<<2)+(B5_PMC))
+    .word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN))
+    .word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN))
+    .word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT)
+    .word 0x32
+    .word 0x30
+    .word 0x30
diff -Nur u-boot-1.2.0/board/max2440p/Makefile magic-boot-2440-v1.0/board/max2440p/Makefile
--- u-boot-1.2.0/board/max2440p/Makefile	1970-01-01 08:00:00.000000000 +0800
+++ magic-boot-2440-v1.0/board/max2440p/Makefile	2007-06-29 13:45:33.000000000 +0800
@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2000-2006
+# 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	= $(obj)lib$(BOARD).a
+
+COBJS	:= max2440p.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)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff -Nur u-boot-1.2.0/board/max2440p/max2440p.c magic-boot-2440-v1.0/board/max2440p/max2440p.c
--- u-boot-1.2.0/board/max2440p/max2440p.c	1970-01-01 08:00:00.000000000 +0800
+++ magic-boot-2440-v1.0/board/max2440p/max2440p.c	2007-06-29 16:04:53.000000000 +0800
@@ -0,0 +1,123 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <[e-mail]>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <[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 <s3c2440.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define FCLK_SPEED 1
+
+#if FCLK_SPEED==0		/* Fout = 203MHz, Fin = 12MHz for Audio */
+#define M_MDIV	0xC3
+#define M_PDIV	0x4
+#define M_SDIV	0x1
+#elif FCLK_SPEED==1		/* Fout = 202.8MHz */
+#define M_MDIV	0xA1
+#define M_PDIV	0x3
+#define M_SDIV	0x1
+#endif
+
+#define USB_CLOCK 1
+
+#if USB_CLOCK==0
+#define U_M_MDIV	0xA1
+#define U_M_PDIV	0x3
+#define U_M_SDIV	0x1
+#elif USB_CLOCK==1
+#define U_M_MDIV	0x48
+#define U_M_PDIV	0x3
+#define U_M_SDIV	0x2
+#endif
+
+static inline void delay (unsigned long loops)
+{
+	__asm__ volatile ("1:\n"
+	  "subs %0, %1, #1\n"
+	  "bne 1b":"=r" (loops):"0" (loops));
+}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+	S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
+	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+	/* to reduce PLL lock time, adjust the LOCKTIME register */
+	clk_power->LOCKTIME = 0xFFFFFF;
+
+	/* configure MPLL */
+	clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
+
+	/* some delay between MPLL and UPLL */
+	delay (4000);
+
+	/* configure UPLL */
+	clk_power->UPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
+
+	/* some delay between MPLL and UPLL */
+	delay (8000);
+
+	/* set up the I/O ports */
+	gpio->GPACON = 0x007FFFFF;
+	gpio->GPBCON = 0x00044555;
+	gpio->GPBUP = 0x000007FF;
+	gpio->GPCCON = 0xAAAAAAAA;
+	gpio->GPCUP = 0x0000FFFF;
+	gpio->GPDCON = 0xAAAAAAAA;
+	gpio->GPDUP = 0x0000FFFF;
+	gpio->GPECON = 0xAAAAAAAA;
+	gpio->GPEUP = 0x0000FFFF;
+	gpio->GPFCON = 0x000055AA;
+	gpio->GPFUP = 0x000000FF;
+	gpio->GPGCON = 0xFF95FFBA;
+	gpio->GPGUP = 0x0000FFFF;
+	gpio->GPHCON = 0x002AFAAA;
+	gpio->GPHUP = 0x000007FF;
+
+	/* arch number of SMDK2410-Board */
+	gd->bd->bi_arch_number = MACH_TYPE_SMDK2410;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = 0x30000100;
+
+	icache_enable();
+	dcache_enable();
+
+	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;
+
+	return 0;
+}
diff -Nur u-boot-1.2.0/board/max2440p/u-boot.lds magic-boot-2440-v1.0/board/max2440p/u-boot.lds
--- u-boot-1.2.0/board/max2440p/u-boot.lds	1970-01-01 08:00:00.000000000 +0800
+++ magic-boot-2440-v1.0/board/max2440p/u-boot.lds	2007-06-29 13:45:02.000000000 +0800
@@ -0,0 +1,57 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, 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_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text      :
+	{
+	  cpu/arm920t/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 = .;
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss) }
+	_end = .;
+}
diff -Nur u-boot-1.2.0/cpu/arm920t/s3c24x0/i2c.c magic-boot-2440-v1.0/cpu/arm920t/s3c24x0/i2c.c
--- u-boot-1.2.0/cpu/arm920t/s3c24x0/i2c.c	2007-01-07 07:13:11.000000000 +0800
+++ magic-boot-2440-v1.0/cpu/arm920t/s3c24x0/i2c.c	2007-06-29 15:22:05.000000000 +0800
@@ -34,6 +34,8 @@
 #include <s3c2400.h>
 #elif defined(CONFIG_S3C2410)
 #include <s3c2410.h>
+#elif defined(CONFIG_S3C2440)
+#include <s3c2440.h>
 #endif
 #include <i2c.h>
 
@@ -62,8 +64,7 @@
 static int GetI2CSDA(void)
 {
 	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
-
-#ifdef CONFIG_S3C2410
+#if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
 	return (gpio->GPEDAT & 0x8000) >> 15;
 #endif
 #ifdef CONFIG_S3C2400
@@ -82,7 +83,7 @@
 {
 	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();