[U-Boot] [PATCH 01/15] Added initial eNET board support
Graeme Russ
graeme.russ at gmail.com
Sun Dec 7 00:28:57 CET 2008
Signed-off-by: Graeme Russ <graeme.russ at gmail.com>
---
MAKEALL | 1 +
Makefile | 3 +
board/eNET/Makefile | 57 ++++++++++
board/eNET/config.mk | 24 +++++
board/eNET/eNET.c | 167 ++++++++++++++++++++++++++++++
board/eNET/eNET_start.S | 50 +++++++++
board/eNET/eNET_start16.S | 90 ++++++++++++++++
board/eNET/hardware.h | 35 +++++++
board/eNET/u-boot.lds | 90 ++++++++++++++++
include/configs/eNET.h | 249 +++++++++++++++++++++++++++++++++++++++++++++
10 files changed, 766 insertions(+), 0 deletions(-)
create mode 100644 board/eNET/Makefile
create mode 100644 board/eNET/config.mk
create mode 100644 board/eNET/eNET.c
create mode 100644 board/eNET/eNET_start.S
create mode 100644 board/eNET/eNET_start16.S
create mode 100644 board/eNET/hardware.h
create mode 100644 board/eNET/u-boot.lds
create mode 100644 include/configs/eNET.h
diff --git a/MAKEALL b/MAKEALL
index dbed268..ee0697a 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -647,6 +647,7 @@ LIST_mips_el=" \
LIST_I486=" \
sc520_cdp \
+ sc520_eNET \
sc520_spunk \
sc520_spunk_rel \
"
diff --git a/Makefile b/Makefile
index fd521b6..abdb0fd 100644
--- a/Makefile
+++ b/Makefile
@@ -2909,6 +2909,9 @@ smdk6400_config : unconfig
sc520_cdp_config : unconfig
@$(MKCONFIG) $(@:_config=) i386 i386 sc520_cdp
+eNET_config : unconfig
+ @$(MKCONFIG) $(@:_config=) i386 i386 eNET
+
sc520_spunk_config : unconfig
@$(MKCONFIG) $(@:_config=) i386 i386 sc520_spunk
diff --git a/board/eNET/Makefile b/board/eNET/Makefile
new file mode 100644
index 0000000..6a892e9
--- /dev/null
+++ b/board/eNET/Makefile
@@ -0,0 +1,57 @@
+#
+# (C) Copyright 2008
+# Graeme Russ, graeme.russ at gmail.com.
+#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# (C) Copyright 2002
+# Daniel Engström, Omicron Ceti AB, daniel at omicron.se.
+#
+# 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 := eNET.o
+SOBJS := eNET_start16.o eNET_start.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 $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/eNET/config.mk b/board/eNET/config.mk
new file mode 100644
index 0000000..de8eb89
--- /dev/null
+++ b/board/eNET/config.mk
@@ -0,0 +1,24 @@
+#
+# (C) Copyright 2002
+# Daniel Engström, Omicron Ceti AB, daniel at omicron.se.
+#
+# 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 = 0x38040000
diff --git a/board/eNET/eNET.c b/board/eNET/eNET.c
new file mode 100644
index 0000000..57dd635
--- /dev/null
+++ b/board/eNET/eNET.c
@@ -0,0 +1,167 @@
+/*
+ * (C) Copyright 2008
+ * Graeme Russ, graeme.russ at gmail.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/io.h>
+#include <asm/ic/sc520.h>
+
+#ifdef CONFIG_HW_WATCHDOG
+#include <watchdog.h>
+#endif
+
+#include "hardware.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#undef SC520_CDP_DEBUG
+
+#ifdef SC520_CDP_DEBUG
+#define PRINTF(fmt,args...) printf (fmt ,##args)
+#else
+#define PRINTF(fmt,args...)
+#endif
+
+unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
+
+void init_sc520_enet (void)
+{
+ /* Set CPU Speed to 100MHz */
+ write_mmcr_byte(SC520_CPUCTL, 1);
+ gd->cpu_clk = 100000000;
+
+ /* wait at least one millisecond */
+ asm("movl $0x2000,%%ecx\n"
+ "wait_loop: pushl %%ecx\n"
+ "popl %%ecx\n"
+ "loop wait_loop\n": : : "ecx");
+
+ /* turn on the SDRAM write buffer */
+ write_mmcr_byte(SC520_DBCTL, 0x11);
+
+ /* turn on the cache and disable write through */
+ asm("movl %%cr0, %%eax\n"
+ "andl $0x9fffffff, %%eax\n"
+ "movl %%eax, %%cr0\n" : : : "eax");
+}
+
+/*
+ * Miscellaneous platform dependent initializations
+ */
+int board_init(void)
+{
+ init_sc520_enet();
+
+ write_mmcr_byte(SC520_GPCSRT, 0x01); /* GP Chip Select Recovery Time */
+ write_mmcr_byte(SC520_GPCSPW, 0x07); /* GP Chip Select Pulse Width */
+ write_mmcr_byte(SC520_GPCSOFF, 0x00); /* GP Chip Select Offset */
+ write_mmcr_byte(SC520_GPRDW, 0x05); /* GP Read pulse width */
+ write_mmcr_byte(SC520_GPRDOFF, 0x01); /* GP Read offset */
+ write_mmcr_byte(SC520_GPWRW, 0x05); /* GP Write pulse width */
+ write_mmcr_byte(SC520_GPWROFF, 0x01); /* GP Write offset */
+
+ write_mmcr_word(SC520_PIODATA15_0, 0x0630); /* PIO15_PIO0 Data */
+ write_mmcr_word(SC520_PIODATA31_16, 0x2000); /* PIO31_PIO16 Data */
+ write_mmcr_word(SC520_PIODIR31_16, 0x2000); /* GPIO Direction */
+ write_mmcr_word(SC520_PIODIR15_0, 0x87b5); /* GPIO Direction */
+ write_mmcr_word(SC520_PIOPFS31_16, 0x0dfe); /* GPIO pin function 31-16 reg */
+ write_mmcr_word(SC520_PIOPFS15_0, 0x200a); /* GPIO pin function 15-0 reg */
+ write_mmcr_byte(SC520_CSPFS, 0x00f8); /* Chip Select Pin Function Select */
+
+ write_mmcr_long(SC520_PAR2, 0x200713f8); /* Uart A (GPCS0, 0x013f8, 8 Bytes) */
+ write_mmcr_long(SC520_PAR3, 0x2c0712f8); /* Uart B (GPCS3, 0x012f8, 8 Bytes) */
+ write_mmcr_long(SC520_PAR4, 0x300711f8); /* Uart C (GPCS4, 0x011f8, 8 Bytes) */
+ write_mmcr_long(SC520_PAR5, 0x340710f8); /* Uart D (GPCS5, 0x010f8, 8 Bytes) */
+ write_mmcr_long(SC520_PAR6, 0xe3ffc000); /* SDRAM (0x00000000, 128MB) */
+ write_mmcr_long(SC520_PAR7, 0xaa3fd000); /* StrataFlash (ROMCS1, 0x10000000, 16MB) */
+ write_mmcr_long(SC520_PAR8, 0xca3fd100); /* StrataFlash (ROMCS2, 0x11000000, 16MB) */
+ write_mmcr_long(SC520_PAR9, 0x4203d900); /* SRAM (GPCS0, 0x19000000, 1MB) */
+ write_mmcr_long(SC520_PAR10, 0x4e03d910); /* SRAM (GPCS3, 0x19100000, 1MB) */
+ write_mmcr_long(SC520_PAR11, 0x50018100); /* DP-RAM (GPCS4, 0x18100000, 4kB) */
+ write_mmcr_long(SC520_PAR12, 0x54020000); /* CFLASH1 (0x200000000, 4kB) */
+ write_mmcr_long(SC520_PAR13, 0x5c020001); /* CFLASH2 (0x200010000, 4kB) */
+/* write_mmcr_long(SC520_PAR14, 0x8bfff800); */ /* BOOTCS at 0x18000000 */
+/* write_mmcr_long(SC520_PAR15, 0x38201000); */ /* LEDs etc (GPCS6, 0x1000, 20 Bytes */
+
+ /* Disable Watchdog */
+ write_mmcr_word(0x0cb0, 0x3333);
+ write_mmcr_word(0x0cb0, 0xcccc);
+ write_mmcr_word(0x0cb0, 0x0000);
+
+ /* Chip Select Configuration */
+ write_mmcr_word(SC520_BOOTCSCTL, 0x0033);
+ write_mmcr_word(SC520_ROMCS1CTL, 0x0615);
+ write_mmcr_word(SC520_ROMCS2CTL, 0x0615);
+
+ write_mmcr_byte(SC520_ADDDECCTL, 0x02);
+ write_mmcr_byte(SC520_UART1CTL, 0x07);
+ write_mmcr_byte(SC520_SYSARBCTL,0x06);
+ write_mmcr_word(SC520_SYSARBMENB, 0x0003);
+
+ /* Crystal is 33.000MHz */
+ gd->bus_clk = 33000000;
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ init_sc520_dram();
+ return 0;
+}
+
+void show_boot_progress(int val)
+{
+ uchar led_mask;
+
+ led_mask = 0x00;
+
+ if (val < 0)
+ led_mask |= LED_ERR_BITMASK;
+
+ led_mask |= (uchar)(val & 0x001f);
+ outb(led_mask, LED_LATCH_ADDRESS);
+}
+
+
+int last_stage_init(void)
+{
+ int minor;
+ int major;
+
+ major = minor = 0;
+
+ printf("Serck Controls eNET\n");
+
+ return 0;
+}
+
+ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info)
+{
+ if (banknum == 0) { /* non-CFI boot flash */
+ info->portwidth = FLASH_CFI_8BIT;
+ info->chipwidth = FLASH_CFI_BY8;
+ info->interface = FLASH_CFI_X8;
+ return 1;
+ } else
+ return 0;
+}
diff --git a/board/eNET/eNET_start.S b/board/eNET/eNET_start.S
new file mode 100644
index 0000000..1b07d62
--- /dev/null
+++ b/board/eNET/eNET_start.S
@@ -0,0 +1,50 @@
+/*
+ * (C) Copyright 2008
+ * Graeme Russ, graeme.russ at gmail.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 "hardware.h"
+
+/* board early intialization */
+.globl early_board_init
+early_board_init:
+ /* No 32-bit board specific initialisation */
+ jmp *%ebp /* return to caller */
+
+.globl show_boot_progress_asm
+show_boot_progress_asm:
+
+ movb %al, %dl /* Create Working Copy */
+ andb $0x80, %dl /* Mask in only Error bit */
+ shrb $0x02, %dl /* Shift Error bit to Error LED */
+ andb $0x0f, %al /* Mask out 'Error' bit */
+ orb %dl, %al /* Mask in ERR LED */
+ movw $LED_LATCH_ADDRESS, %dx
+ outb %al, %dx
+ jmp *%ebp /* return to caller */
+
+.globl cpu_halt_asm
+cpu_halt_asm:
+ movb $0x0f, %al
+ movw $LED_LATCH_ADDRESS, %dx
+ outb %al, %dx
+ hlt
+ jmp cpu_halt_asm
diff --git a/board/eNET/eNET_start16.S b/board/eNET/eNET_start16.S
new file mode 100644
index 0000000..48e4d83
--- /dev/null
+++ b/board/eNET/eNET_start16.S
@@ -0,0 +1,90 @@
+/*
+ * (C) Copyright 2008
+ * Graeme Russ, graeme.russ at gmail.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
+ */
+
+/*
+ * 16bit initialization code.
+ * This code have to map the area of the boot flash
+ * that is used by U-boot to its final destination.
+ */
+
+/* #include <asm/ic/sc520_defs.h> */
+
+#include "hardware.h"
+
+.text
+.section .start16, "ax"
+.code16
+.globl board_init16
+board_init16:
+ /* Alias MMCR to 0xdf000 */
+ movw $0xfffc, %dx
+ movl $0x800df0cb, %eax
+ outl %eax, %dx
+
+ /* Set ds to point to MMCR alias */
+ movw $0xdf00, %ax
+ movw %ax, %ds
+
+ /* Map PAR for Boot Flash (BOOTCS, 512kB @ 0x380000000) */
+ movl $0x00c0, %edi /* SC520_PAR14 */
+ movl $0x8bfff800, %eax /* TODO: Check this */
+ movl %eax, (%di)
+
+ /* Map PAR for LED, Hex Switches (GPCS6, 20 Bytes @ 0x1000) */
+ movl $0x00c4, %edi /* SC520_PAR15 */
+ movl $0x38201000, %eax
+ movl %eax, (%di)
+
+ /* Disable SDRAM write buffer */
+ movw $0x0040, %di /* SC520_DBCTL */
+ xorw %ax, %ax
+ movb %al, (%di)
+
+ /* Disabe MMCR alias */
+ movw $0xfffc, %dx
+ movl $0x000000cb, %eax
+ outl %eax, %dx
+
+ /* the return address is stored in bp */
+ jmp *%bp
+
+.section .bios, "ax"
+.code16
+.globl realmode_reset
+realmode_reset:
+ /* Alias MMCR to 0xdf000 */
+ movw $0xfffc, %dx
+ movl $0x800df0cb, %eax
+ outl %eax, %dx
+
+ /* Set ds to point to MMCR alias */
+ movw $0xdf00, %ax
+ movw %ax, %ds
+
+ /* issue software reset thorugh MMCR */
+ movl $0xd72, %edi
+ movb $0x01, %al
+ movb %al, (%di)
+
+1: hlt
+ jmp 1
diff --git a/board/eNET/hardware.h b/board/eNET/hardware.h
new file mode 100644
index 0000000..42474a6
--- /dev/null
+++ b/board/eNET/hardware.h
@@ -0,0 +1,35 @@
+/*
+ * (C) Copyright 2008
+ * Graeme Russ, graeme.russ at gmail.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
+ */
+
+#ifndef HARDWARE_H_
+#define HARDWARE_H_
+
+#define LED_LATCH_ADDRESS 0x1002
+#define LED_RUN_BITMASK 0x01
+#define LED_1_BITMASK 0x02
+#define LED_2_BITMASK 0x04
+#define LED_RX_BITMASK 0x08
+#define LED_TX_BITMASK 0x10
+#define LED_ERR_BITMASK 0x20
+
+#endif /* HARDWARE_H_ */
diff --git a/board/eNET/u-boot.lds b/board/eNET/u-boot.lds
new file mode 100644
index 0000000..2dafbb5
--- /dev/null
+++ b/board/eNET/u-boot.lds
@@ -0,0 +1,90 @@
+/*
+ * (C) Copyright 2002
+ * Daniel Engström, Omicron Ceti AB, daniel at omicron.se.
+ *
+ * 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-i386", "elf32-i386", "elf32-i386")
+OUTPUT_ARCH(i386)
+ENTRY(_start)
+
+SECTIONS
+{
+ . = 0x38040000; /* Location of bootcode in flash */
+ .text : { *(.text); }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) *(.rodata.str1.1) *(.rodata.str1.32) }
+
+ _i386boot_text_size = SIZEOF(.text) + SIZEOF(.rodata);
+
+ . = 0x03FF0000; /* Ram data segment to use */
+ _i386boot_romdata_dest = ABSOLUTE(.);
+ .data : AT ( LOADADDR(.rodata) + SIZEOF(.rodata) ) { *(.data) }
+ _i386boot_romdata_start = LOADADDR(.data);
+
+ . = ALIGN(4);
+ .got : AT ( LOADADDR(.data) + SIZEOF(.data) ) { *(.got) }
+
+ . = ALIGN(4);
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+ _i386boot_cmd_start = LOADADDR(.u_boot_cmd);
+
+ _i386boot_romdata_size = SIZEOF(.data) + SIZEOF(.got) + SIZEOF(.u_boot_cmd);
+
+ . = ALIGN(4);
+ _i386boot_bss_start = ABSOLUTE(.);
+ .bss (NOLOAD) : { *(.bss) }
+ _i386boot_bss_size = SIZEOF(.bss);
+
+ /* 16bit realmode trampoline code */
+ .realmode 0x7c0 : AT ( LOADADDR(.got) + SIZEOF(.got) + SIZEOF(.u_boot_cmd)) { *(.realmode) }
+
+ _i386boot_realmode = LOADADDR(.realmode);
+ _i386boot_realmode_size = SIZEOF(.realmode);
+
+ /* 16bit BIOS emulation code (just enough to boot Linux) */
+ .bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { *(.bios) }
+
+ _i386boot_bios = LOADADDR(.bios);
+ _i386boot_bios_size = SIZEOF(.bios);
+
+ /* The load addresses below assumes that the flash
+ * will be mapped so that 0x387f0000 == 0xffff0000
+ * at reset time
+ *
+ * The fe00 and ff00 offsets of the start32 and start16
+ * segments are arbitrary, the just have to be mapped
+ * at reset and the code have to fit.
+ * The fff0 offset of reset is important, however.
+ */
+
+ . = 0xfffffe00;
+ .start32 : AT (0x3807fe00) { *(.start32); }
+
+ . = 0xf800;
+ .start16 : AT (0x3807f800) { *(.start16); }
+
+ . = 0xfff0;
+ .reset : AT (0x3807fff0) { *(.reset); }
+ _i386boot_end = (LOADADDR(.reset) + SIZEOF(.reset) );
+}
diff --git a/include/configs/eNET.h b/include/configs/eNET.h
new file mode 100644
index 0000000..87d2908
--- /dev/null
+++ b/include/configs/eNET.h
@@ -0,0 +1,249 @@
+/*
+ * (C) Copyright 2008
+ * Graeme Russ, graeme.russ at gmail.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
+ */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * Stuff still to be dealt with -
+ */
+#define CONFIG_RTC_MC146818
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define DEBUG_PARSER
+
+#define CONFIG_X86 1 /* Intel X86 CPU */
+#define CONFIG_SC520 1 /* AMD SC520 */
+#define CONFIG_SC520_SSI
+#define CONFIG_SHOW_BOOT_PROGRESS 1
+#define CONFIG_LAST_STAGE_INIT 1
+
+/*
+ * If CONFIG_HW_WATCHDOG is not defined, the watchdog jumper on the
+ * bottom (processor) board MUST be removed!
+ */
+#undef CONFIG_WATCHDOG
+#undef CONFIG_HW_WATCHDOG
+
+ /*-----------------------------------------------------------------------
+ * Video Configuration
+ */
+#undef CONFIG_VIDEO /* No Video Hardware */
+#undef CONFIG_CFB_CONSOLE
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_MALLOC_SIZE (CONFIG_SYS_ENV_SIZE + 128*1024)
+
+#define CONFIG_BAUDRATE 9600
+
+/*-----------------------------------------------------------------------
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_AUTOSCRIPT /* Autoscript Support */
+#define CONFIG_CMD_BDI /* bdinfo */
+#define CONFIG_CMD_BOOTD /* bootd */
+#define CONFIG_CMD_CONSOLE /* coninfo */
+#define CONFIG_CMD_ECHO /* echo arguments */
+#define CONFIG_CMD_ENV /* saveenv */
+#define CONFIG_CMD_FLASH /* flinfo, erase, protect */
+#define CONFIG_CMD_FPGA /* FPGA configuration Support */
+#define CONFIG_CMD_IMI /* iminfo */
+#define CONFIG_CMD_IMLS /* List all found images */
+#define CONFIG_CMD_ITEST /* Integer (and string) test */
+#define CONFIG_CMD_LOADB /* loadb */
+#define CONFIG_CMD_LOADS /* loads */
+#define CONFIG_CMD_MEMORY /* md mm nm mw cp cmp crc base loop mtest */
+#define CONFIG_CMD_MISC /* Misc functions like sleep etc*/
+#undef CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */
+#undef CONFIG_CMD_NFS /* NFS support */
+#define CONFIG_CMD_RUN /* run command in env variable */
+#define CONFIG_CMD_SETGETDCR /* DCR support on 4xx */
+#define CONFIG_CMD_XIMG /* Load part of Multi Image */
+#undef CONFIG_CMD_IRQ /* IRQ Information */
+
+#define CONFIG_BOOTDELAY 15
+#define CONFIG_BOOTARGS "root=/dev/mtdblock0 console=ttyS0,9600"
+/* #define CONFIG_BOOTCOMMAND "bootm 38000000" */
+
+#if defined(CONFIG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE 115200 /* 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 "boot > " /* 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 0x00100000 /* memtest works on */
+#define CONFIG_SYS_MEMTEST_END 0x01000000 /* 1 ... 16 MB in DRAM */
+
+#undef CONFIG_SYS_CLKS_IN_HZ /* everything, incl board info, in Hz */
+
+#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
+
+#define CONFIG_SYS_HZ 1024 /* incrementer freq: 1kHz */
+
+ /* valid baudrates */
+#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+/*-----------------------------------------------------------------------
+ * SDRAM Configuration
+ */
+#define CONFIG_SYS_SDRAM_DRCTMCTL 0x18
+#define CONFIG_NR_DRAM_BANKS 4
+
+/* CONFIG_SYS_SDRAM_DRCTMCTL Overrides the following*/
+#undef CONFIG_SYS_SDRAM_PRECHARGE_DELAY
+#undef CONFIG_SYS_SDRAM_REFRESH_RATE
+#undef CONFIG_SYS_SDRAM_RAS_CAS_DELAY
+#undef CONFIG_SYS_SDRAM_CAS_LATENCY_2T
+#undef CONFIG_SYS_SDRAM_CAS_LATENCY_3T
+
+/*-----------------------------------------------------------------------
+ * CPU Features
+ */
+#define CONFIG_SYS_SC520_HIGH_SPEED 0 /* 100 or 133MHz */
+#define CONFIG_SYS_RESET_GENERIC /* use triple-fault to reset cpu */
+#undef CONFIG_SYS_RESET_SC520 /* use SC520 MMCR's to reset cpu */
+#define CONFIG_SYS_TIMER_SC520 /* use SC520 swtimers */
+#undef CONFIG_SYS_TIMER_GENERIC /* use the i8254 PIT timers */
+#undef CONFIG_SYS_TIMER_TSC /* use the Pentium TSC timers */
+#define CONFIG_SYS_USE_SIO_UART 0 /* prefer the uarts on the SIO to those
+ * in the SC520 on the CDP */
+
+/*-----------------------------------------------------------------------
+ * Memory organization
+ */
+#define CONFIG_SYS_STACK_SIZE 0x8000 /* Size of bootloader stack */
+#define CONFIG_SYS_BL_START_FLASH 0x38040000 /* Address of relocated code */
+#define CONFIG_SYS_BL_START_RAM 0x03fd0000 /* Address of relocated code */
+#define CONFIG_SYS_MONITOR_BASE TEXT_BASE
+#define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
+#define CONFIG_SYS_FLASH_BASE 0x38000000 /* Boot Flash */
+#define CONFIG_SYS_FLASH_BASE_1 0x10000000 /* StrataFlash 1 */
+#define CONFIG_SYS_FLASH_BASE_2 0x11000000 /* StrataFlash 2 */
+
+/* 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 */
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+ /*-----------------------------------------------------------------------
+ * FLASH configuration
+ */
+#define CONFIG_FLASH_CFI_DRIVER /* Use the common driver */
+#define CONFIG_FLASH_CFI_LEGACY
+#define CONFIG_SYS_FLASH_CFI /* Flash is CFI conformant */
+#define CONFIG_SYS_MAX_FLASH_BANKS 3 /* max number of memory banks */
+#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_FLASH_BASE, \
+ CONFIG_SYS_FLASH_BASE_1, \
+ CONFIG_SYS_FLASH_BASE_2}
+#define CONFIG_SYS_FLASH_EMPTY_INFO
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
+#define CONFIG_SYS_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
+#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT
+#define CONFIG_SYS_FLASH_LEGACY_512Kx8
+
+ /*-----------------------------------------------------------------------
+ * Environment configuration
+ */
+#define CONFIG_ENV_IS_IN_FLASH 1
+#define CONFIG_ENV_OFFSET 0x20000 /* Offset of Environment Sector */
+#define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment Sector */
+#define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
+#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE_1 + \
+ CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + \
+ CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
+
+
+ /*-----------------------------------------------------------------------
+ * PCI configuration
+ */
+#undef CONFIG_PCI /* include pci support */
+#undef CONFIG_PCI_PNP /* pci plug-and-play */
+#undef CONFIG_PCI_SCAN_SHOW
+#undef CONFIG_SYS_FIRST_PCI_IRQ
+#undef CONFIG_SYS_SECOND_PCI_IRQ
+#undef CONFIG_SYS_THIRD_PCI_IRQ
+#undef CONFIG_SYS_FORTH_PCI_IRQ
+
+/*-----------------------------------------------------------------------
+ * Hardware watchdog configuration
+ */
+#define CONFIG_SYS_WATCHDOG_PIO_BIT 0x8000
+#define CONFIG_SYS_WATCHDIG_PIO_DATA SC520_PIODATA15_0
+#define CONFIG_SYS_WATCHDIG_PIO_CLR SC520_PIOCLR15_0
+#define CONFIG_SYS_WATCHDIG_PIO_SET SC520_PIOSET15_0
+
+/*-----------------------------------------------------------------------
+ * FPGA configuration
+ */
+#define CONFIG_SYS_FPGA_PROGRAM_PIO_BIT 0x2000
+#define CONFIG_SYS_FPGA_INIT_PIO_BIT 0x4000
+#define CONFIG_SYS_FPGA_DONE_PIO_BIT 0x8000
+#define CONFIG_SYS_FPGA_PIO_DATA SC520_PIODATA31_16
+#define CONFIG_SYS_FPGA_PIO_DIRECTION SC520_PIODIR31_16
+#define CONFIG_SYS_FPGA_PIO_CLR SC520_PIOCLR31_16
+#define CONFIG_SYS_FPGA_PIO_SET SC520_PIOSET31_16
+#define CONFIG_SYS_FPGA_PROGRAM_BIT_DROP_TIME 1 /* milliseconds */
+#define CONFIG_SYS_FPGA_MAX_INIT_TIME 10 /* milliseconds */
+#define CONFIG_SYS_FPGA_MAX_FINALISE_TIME 10 /* milliseconds */
+#define CONFIG_SYS_FPGA_SSI_DATA_RATE 8333 /* kHz (33.3333MHz xtal) */
+
+#ifndef __ASSEMBLER__
+extern unsigned long ip;
+
+#define PRINTIP asm ("call next_line\n" \
+ "next_line:\n" \
+ "pop %%eax\n" \
+ "movl %%eax, %0\n" \
+ :"=r"(ip) \
+ : /* No Input Registers */ \
+ :"%eax"); \
+ printf("IP: 0x%08lx (File: %s, Line: %d)\n", ip, __FILE__, __LINE__);
+
+#endif
+#endif /* __CONFIG_H */
--
1.5.4.3
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