From 074cff0d2863bab21b065cf283eccd728f4fecaa Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Tue, 24 Feb 2004 00:16:43 +0000
Subject: * Patch by Andrea Scian, 17 Feb 2004:   Add support for S3C44B0
 processor and DAVE B2 board

* Patch by Steven Scholz, 20 Feb 2004:
  - Add support for MII commands on AT91RM9200 boards
  - some cleanup in AT91RM9200 ethernet code
---
 board/dave/B2/Makefile    |  48 +++++++++++++
 board/dave/B2/config.mk   |  30 +++++++++
 board/dave/B2/flash.c     |  79 ++++++++++++++++++++++
 board/dave/B2/memsetup.S  | 167 ++++++++++++++++++++++++++++++++++++++++++++++
 board/dave/B2/u-boot.lds  |  57 ++++++++++++++++
 board/dave/common/flash.c |  26 +++++++-
 6 files changed, 406 insertions(+), 1 deletion(-)
 create mode 100644 board/dave/B2/Makefile
 create mode 100644 board/dave/B2/config.mk
 create mode 100644 board/dave/B2/flash.c
 create mode 100644 board/dave/B2/memsetup.S
 create mode 100644 board/dave/B2/u-boot.lds

(limited to 'board')

diff --git a/board/dave/B2/Makefile b/board/dave/B2/Makefile
new file mode 100644
index 0000000..c0c3f67
--- /dev/null
+++ b/board/dave/B2/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2002
+# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+# Marius Groeger <mgroeger@sysgo.de>
+#
+# 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	:= B2.o flash.o
+SOBJS	:= memsetup.o
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS) $(SOBJS)
+
+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 --git a/board/dave/B2/config.mk b/board/dave/B2/config.mk
new file mode 100644
index 0000000..5216622
--- /dev/null
+++ b/board/dave/B2/config.mk
@@ -0,0 +1,30 @@
+#
+# (C) Copyright 2000
+# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+# Marius Groeger <mgroeger@sysgo.de>
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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
+#
+
+TEXT_BASE = 0x0C100000
+
+PLATFORM_CPPFLAGS += -Uarm
diff --git a/board/dave/B2/flash.c b/board/dave/B2/flash.c
new file mode 100644
index 0000000..50aa6aa
--- /dev/null
+++ b/board/dave/B2/flash.c
@@ -0,0 +1,79 @@
+/*
+ * (C) Copyright 2001
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/hardware.h>
+
+/*
+ * include common flash code (for esd boards)
+ */
+#include "../common/flash.c"
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (vu_long * addr, flash_info_t * info);
+static void flash_get_offsets (ulong base, flash_info_t * info);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+#ifdef __DEBUG_START_FROM_SRAM__
+	return CFG_DUMMY_FLASH_SIZE;
+#else
+	unsigned long size_b0;
+	int i;
+	uint pbcr;
+	unsigned long base_b0;
+	int size_val = 0;
+
+	/* Init: no FLASHes known */
+	for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
+	}
+
+	/* Static FLASH Bank configuration here - FIXME XXX */
+
+	size_b0 = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
+
+	if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+		printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+			size_b0, size_b0<<20);
+	}
+
+	/* Setup offsets */
+	flash_get_offsets (0, &flash_info[0]);
+
+	/* Monitor protection ON by default */
+	(void)flash_protect(FLAG_PROTECT_SET,
+			    -CFG_MONITOR_LEN,
+			    0xffffffff,
+			    &flash_info[0]);
+
+	flash_info[0].size = size_b0;
+
+	return (size_b0);
+#endif
+}
diff --git a/board/dave/B2/memsetup.S b/board/dave/B2/memsetup.S
new file mode 100644
index 0000000..3f64cb3
--- /dev/null
+++ b/board/dave/B2/memsetup.S
@@ -0,0 +1,167 @@
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ *
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * memsetup-sa1110.S (blob): memory setup for various SA1110 architectures
+ * Modified By MATTO
+ *
+ * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * 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
+ *
+ */
+
+/*
+ * Documentation:
+ * Intel Corporation, "Intel StrongARM SA-1110 Microprocessor
+ *     Advanced Developer's manual, December 1999
+ *
+ * Intel has a very hard to find SDRAM configurator on their web site:
+ *   http://appzone.intel.com/hcd/sa1110/memory/index.asp
+ *
+ * NOTE: This code assumes that an SA1110 CPU *always* uses SDRAM. This
+ * appears to be true, but it might be possible that somebody designs a
+ * board with mixed EDODRAM/SDRAM memory (which is a bad idea). -- Erik
+ *
+ * 04-10-2001:  SELETZ
+ * - separated memory config for multiple platform support
+ * - perform SA1110 Hardware Reset Procedure
+ *
+ */
+
+.equ    B0_Tacs,      0x0 /* 0clk */
+.equ    B0_Tcos,      0x0 /* 0clk */
+.equ    B0_Tacc,      0x4 /* 6clk */
+.equ    B0_Tcoh,      0x0 /* 0clk */
+.equ    B0_Tah,       0x0 /* 0clk */
+.equ    B0_Tacp,      0x0 /* 0clk */
+.equ    B0_PMC,       0x0 /* normal(1data) */
+/* Bank 1 parameter */
+.equ    B1_Tacs,      0x3 /* 4clk */
+.equ    B1_Tcos,      0x3 /* 4clk */
+.equ    B1_Tacc,      0x7 /* 14clkv */
+.equ    B1_Tcoh,      0x3 /* 4clk */
+.equ    B1_Tah,       0x3 /* 4clk */
+.equ    B1_Tacp,      0x3 /* 6clk */
+.equ    B1_PMC,       0x0 /* normal(1data) */
+
+/* Bank 2 parameter - LAN91C96 */
+.equ    B2_Tacs,      0x3 /* 4clk */
+.equ    B2_Tcos,      0x3 /* 4clk */
+.equ    B2_Tacc,      0x7 /* 14clk */
+.equ    B2_Tcoh,      0x3 /* 4clk */
+.equ    B2_Tah,       0x3 /* 4clk */
+.equ    B2_Tacp,      0x3 /* 6clk */
+.equ    B2_PMC,       0x0 /* normal(1data) */
+
+/* Bank 3 parameter */
+.equ    B3_Tacs,      0x3 /* 4clk */
+.equ    B3_Tcos,      0x3 /* 4clk */
+.equ    B3_Tacc,      0x7 /* 14clk */
+.equ    B3_Tcoh,      0x3 /* 4clk */
+.equ    B3_Tah,       0x3 /* 4clk */
+.equ    B3_Tacp,      0x3 /* 6clk */
+.equ    B3_PMC,       0x0 /* normal(1data) */
+
+/* Bank 4 parameter */
+.equ    B4_Tacs,      0x3 /* 4clk */
+.equ    B4_Tcos,      0x3 /* 4clk */
+.equ    B4_Tacc,      0x7 /* 14clk */
+.equ    B4_Tcoh,      0x3 /* 4clk */
+.equ    B4_Tah,       0x3 /* 4clk */
+.equ    B4_Tacp,      0x3 /* 6clk */
+.equ    B4_PMC,       0x0 /* normal(1data) */
+
+/* Bank 5 parameter */
+.equ    B5_Tacs,      0x3 /* 4clk */
+.equ    B5_Tcos,      0x3 /* 4clk */
+.equ    B5_Tacc,      0x7 /* 14clk */
+.equ    B5_Tcoh,      0x3 /* 4clk */
+.equ    B5_Tah,       0x3 /* 4clk */
+.equ    B5_Tacp,      0x3 /* 6clk */
+.equ    B5_PMC,       0x0 /* normal(1data) */
+
+/* Bank 6(if SROM) parameter */
+.equ    B6_Tacs,      0x3 /* 4clk */
+.equ    B6_Tcos,      0x3 /* 4clk */
+.equ    B6_Tacc,      0x7 /* 14clk */
+.equ    B6_Tcoh,      0x3 /* 4clk */
+.equ    B6_Tah,       0x3 /* 4clk */
+.equ    B6_Tacp,      0x3 /* 6clk */
+.equ    B6_PMC,       0x0 /* normal(1data) */
+
+/* Bank 7(if SROM) parameter */
+.equ    B7_Tacs,      0x3 /* 4clk */
+.equ    B7_Tcos,      0x3 /* 4clk */
+.equ    B7_Tacc,      0x7 /* 14clk */
+.equ    B7_Tcoh,      0x3 /* 4clk */
+.equ    B7_Tah,       0x3 /* 4clk */
+.equ    B7_Tacp,      0x3 /* 6clk */
+.equ    B7_PMC,       0x0 /* normal(1data) */
+
+/* Bank 6 parameter */
+.equ    B6_MT,        0x3 /* SDRAM */
+.equ    B6_Trcd,      0x0 /* 2clk */
+.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*/
+
+
+.globl memsetup
+memsetup:
+
+	/*
+		the next instruction fail due memory relocation...
+		we'll find the right MEMORY_CONFIG address with the next 3 lines...
+	*/
+	/*ldr r0, =MEMORY_CONFIG*/
+	mov r0, pc
+	ldr r1, =(0x38+4)
+	sub r0, r0, r1
+
+	ldmia r0, {r1-r13}
+	ldr   r0, =0x01c80000
+	stmia r0, {r1-r13}
+	mov pc, lr
diff --git a/board/dave/B2/u-boot.lds b/board/dave/B2/u-boot.lds
new file mode 100644
index 0000000..d3b6a77
--- /dev/null
+++ b/board/dave/B2/u-boot.lds
@@ -0,0 +1,57 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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/s3c44b0/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 : { *(.bss) }
+
+	armboot_end = .;
+}
diff --git a/board/dave/common/flash.c b/board/dave/common/flash.c
index feea093..b0e4116 100644
--- a/board/dave/common/flash.c
+++ b/board/dave/common/flash.c
@@ -22,7 +22,6 @@
  */
 
 #include <common.h>
-#include <ppc4xx.h>
 #include <asm/processor.h>
 
 flash_info_t	flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
@@ -578,15 +577,27 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
 	if ((l = addr - wp) != 0) {
 		data = 0;
 		for (i=0, cp=wp; i<l; ++i, ++cp) {
+#ifdef CONFIG_B2
+			data = data | ((*(uchar *)cp)<<(8*i));
+#else
 			data = (data << 8) | (*(uchar *)cp);
+#endif
 		}
 		for (; i<4 && cnt>0; ++i) {
+#ifdef CONFIG_B2
+			data = data  | ((*src++)<<(8*i));
+#else
 			data = (data << 8) | *src++;
+#endif
 			--cnt;
 			++cp;
 		}
 		for (; cnt==0 && i<4; ++i, ++cp) {
+#ifdef CONFIG_B2
+			data = data | ((*(uchar *)cp)<<(8*i));
+#else
 			data = (data << 8) | (*(uchar *)cp);
+#endif
 		}
 
 		if ((rc = write_word(info, wp, data)) != 0) {
@@ -600,9 +611,14 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
 	 */
 	while (cnt >= 4) {
 		data = 0;
+#ifdef CONFIG_B2
+		data = (*(ulong*)src);
+		src += 4;
+#else
 		for (i=0; i<4; ++i) {
 			data = (data << 8) | *src++;
 		}
+#endif
 		if ((rc = write_word(info, wp, data)) != 0) {
 			return (rc);
 		}
@@ -619,11 +635,19 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
 	 */
 	data = 0;
 	for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+#ifdef CONFIG_B2
+		data = data  | ((*src++)<<(8*i));
+#else
 		data = (data << 8) | *src++;
+#endif
 		--cnt;
 	}
 	for (; i<4; ++i, ++cp) {
+#ifdef CONFIG_B2
+		data = data | ((*(uchar *)cp)<<(8*i));
+#else
 		data = (data << 8) | (*(uchar *)cp);
+#endif
 	}
 
 	return (write_word(info, wp, data));
-- 
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