--- /dev/null
+/* Linker script for Gaisler Research AB's GR-CPCI-AX2000 board
+ * with template design.
+ *
+ * (C) Copyright 2008
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.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
+ *
+ */
+
+OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
+OUTPUT_ARCH(sparc)
+ENTRY(_start)
+SECTIONS
+{
+
+/* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+
+ .text : {
+ _load_addr = .;
+ _text = .;
+
+ *(.start)
+ cpu/leon3/start.o (.text)
+/* 8k is the same as the PROM offset from end of main memory, (CFG_PROM_SIZE) */
+ . = ALIGN(8192);
+/* PROM CODE, Will be relocated to the end of memory,
+ * no global data accesses please.
+ */
+ __prom_start = .;
+ *(.prom.pgt)
+ *(.prom.data)
+ *(.prom.text)
+ . = ALIGN(16);
+ __prom_end = .;
+ *(.text)
+ *(.fixup)
+ *(.gnu.warning)
+/* *(.got1)*/
+ . = ALIGN(16);
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.*)
+ *(.eh_frame)
+ }
+ . = ALIGN(4);
+ _etext = .;
+
+ /* CMD Table */
+
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ . = ALIGN(4);
+ __u_boot_cmd_end = .;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.data.rel)
+ *(.data.rel.*)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ . = ALIGN(4);
+ __got_start = .;
+ .got : {
+ *(.got)
+/* *(.data.rel)
+ *(.data.rel.local)*/
+ . = ALIGN(16);
+ }
+ __got_end = .;
+
+/* .data.rel : { } */
+
+ . = ALIGN(4096);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(4096);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ . = ALIGN(16); /* to speed clearing of bss up */
+ }
+ __bss_end = . ;
+ _end = . ;
+ PROVIDE (end = .);
+
+/* Relocated into main memory */
+
+ /* Start of main memory */
+ /*. = 0x40000000;*/
+
+ .stack (NOLOAD) : { *(.stack) }
+
+ /* PROM CODE */
+
+ /* global data in RAM passed to kernel after booting */
+
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
+ .stab.excl 0 : { *(.stab.excl) }
+ .stab.exclstr 0 : { *(.stab.exclstr) }
+ .stab.index 0 : { *(.stab.index) }
+ .stab.indexstr 0 : { *(.stab.indexstr) }
+ .comment 0 : { *(.comment) }
+
+}
--- /dev/null
+/* Configuration header file for Gaisler GR-CPCI-AX2000
+ * AX board. Note that since the AX is removable the configuration
+ * for this board must be edited below.
+ *
+ * (C) Copyright 2003-2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2008
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.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 __CONFIG_H__
+#define __CONFIG_H__
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_LEON3 /* This is an LEON3 CPU */
+#define CONFIG_LEON 1 /* This is an LEON CPU */
+#define CONFIG_CPCI_AX2000 1 /* ... on GR-CPCI-AX2000 board */
+
+#define CONFIG_LEON_RAM_SRAM 1
+#define CONFIG_LEON_RAM_SDRAM 2
+#define CONFIG_LEON_RAM_SDRAM_NOSRAM 3
+
+/* Select Memory to run from
+ *
+ * SRAM - UBoot is run in SRAM, SRAM-0x40000000, SDRAM-0x60000000
+ * SDRAM - UBoot is run in SDRAM, SRAM-0x40000000 and SDRAM-0x60000000
+ * SDRAM_NOSRAM - UBoot is run in SDRAM, SRAM not available, SDRAM at 0x40000000
+ *
+ * Note, if Linux is to be used, SDRAM or SDRAM_NOSRAM is required since
+ * it doesn't fit into the 4Mb SRAM.
+ *
+ * SRAM is default since it will work for all systems, however will not
+ * be able to boot linux.
+ */
+#define CONFIG_LEON_RAM_SELECT CONFIG_LEON_RAM_SRAM
+
+/* CPU / AMBA BUS configuration */
+#define CONFIG_SYS_CLK_FREQ 20000000 /* 20MHz */
+
+/* Number of SPARC register windows */
+#define CFG_SPARC_NWINDOWS 8
+
+/*
+ * Serial console configuration
+ */
+#define CONFIG_BAUDRATE 38400 /* ... at 38400 bps */
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
+
+/* Partitions */
+#define CONFIG_DOS_PARTITION
+#define CONFIG_MAC_PARTITION
+#define CONFIG_ISO_PARTITION
+
+/*
+ * Supported commands
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_REGINFO
+#define CONFIG_CMD_AMBAPP
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_DIAG
+#define CONFIG_CMD_IRQ
+
+/*
+ * Autobooting
+ */
+#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
+
+#define CONFIG_PREBOOT "echo;" \
+ "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
+ "echo"
+
+#undef CONFIG_BOOTARGS
+
+#define CONFIG_EXTRA_ENV_SETTINGS_BASE \
+ "netdev=eth0\0" \
+ "nfsargs=setenv bootargs console=ttyS0,38400 root=/dev/nfs rw " \
+ "nfsroot=${serverip}:${rootpath}\0" \
+ "ramargs=setenv bootargs console=ttyS0,${baudrate} root=/dev/ram rw\0" \
+ "addip=setenv bootargs ${bootargs} " \
+ "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
+ ":${hostname}:${netdev}:off panic=1\0" \
+ "flash_nfs=run nfsargs addip;" \
+ "bootm ${kernel_addr}\0" \
+ "flash_self=run ramargs addip;" \
+ "bootm ${kernel_addr} ${ramdisk_addr}\0" \
+ "getkernel=tftpboot \$\(scratch\)\ \$\(bootfile\)\0" \
+ "bootargs=console=ttyS0,38400 root=/dev/nfs rw nfsroot=192.168.0.20:/export/rootfs ip=192.168.0.206:192.168.0.20:192.168.0.1:255.255.255.0:ax2000:eth0\0"
+
+#if CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SRAM
+#define CONFIG_EXTRA_ENV_SETTINGS_SELECT \
+ "net_nfs=tftp 40000000 ${bootfile};run nfsargs addip;bootm\0" \
+ "scratch=40200000\0" \
+ ""
+#elif CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SDRAM
+#define CONFIG_EXTRA_ENV_SETTINGS_SELECT \
+ "net_nfs=tftp 60000000 ${bootfile};run nfsargs addip;bootm\0" \
+ "scratch=60800000\0" \
+ ""
+#else
+/* More than 4Mb is assumed when running from SDRAM */
+#define CONFIG_EXTRA_ENV_SETTINGS_SELECT \
+ "net_nfs=tftp 40000000 ${bootfile};run nfsargs addip;bootm\0" \
+ "scratch=40800000\0" \
+ ""
+#endif
+
+#define CONFIG_EXTRA_ENV_SETTINGS CONFIG_EXTRA_ENV_SETTINGS_BASE CONFIG_EXTRA_ENV_SETTINGS_SELECT
+
+#define CONFIG_NETMASK 255.255.255.0
+#define CONFIG_GATEWAYIP 192.168.0.1
+#define CONFIG_SERVERIP 192.168.0.20
+#define CONFIG_IPADDR 192.168.0.206
+#define CONFIG_ROOTPATH /export/rootfs
+#define CONFIG_HOSTNAME ax2000
+#define CONFIG_BOOTFILE /uImage
+
+#define CONFIG_BOOTCOMMAND "run flash_self"
+
+/* Memory MAP
+ *
+ * Flash:
+ * |--------------------------------|
+ * | 0x00000000 Text & Data & BSS | *
+ * | for Monitor | *
+ * | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| *
+ * | UNUSED / Growth | * 256kb
+ * |--------------------------------|
+ * | 0x00050000 Base custom area | *
+ * | kernel / FS | *
+ * | | * Rest of Flash
+ * |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
+ * | END-0x00008000 Environment | * 32kb
+ * |--------------------------------|
+ *
+ *
+ *
+ * Main Memory (4Mb SRAM or XMb SDRAM):
+ * |--------------------------------|
+ * | UNUSED / scratch area |
+ * | |
+ * | |
+ * | |
+ * | |
+ * |--------------------------------|
+ * | Monitor .Text / .DATA / .BSS | * 256kb
+ * | Relocated! | *
+ * |--------------------------------|
+ * | Monitor Malloc | * 128kb (contains relocated environment)
+ * |--------------------------------|
+ * | Monitor/kernel STACK | * 64kb
+ * |--------------------------------|
+ * | Page Table for MMU systems | * 2k
+ * |--------------------------------|
+ * | PROM Code accessed from Linux | * 6kb-128b
+ * |--------------------------------|
+ * | Global data (avail from kernel)| * 128b
+ * |--------------------------------|
+ *
+ */
+
+/*
+ * Flash configuration (8,16 or 32 MB)
+ * TEXT base always at 0xFFF00000
+ * ENV_ADDR always at 0xFFF40000
+ * FLASH_BASE at 0xFC000000 for 64 MB
+ * 0xFE000000 for 32 MB
+ * 0xFF000000 for 16 MB
+ * 0xFF800000 for 8 MB
+ */
+/*#define CFG_NO_FLASH 1*/
+#define CFG_FLASH_BASE 0x00000000
+#define CFG_FLASH_SIZE 0x00800000
+
+#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 128 KB sectors */
+#define CFG_MAX_FLASH_SECT 64 /* max num of sects on one chip */
+#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
+
+#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
+#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
+#define CFG_FLASH_LOCK_TOUT 5 /* Timeout for Flash Set Lock Bit (in ms) */
+#define CFG_FLASH_UNLOCK_TOUT 10000 /* Timeout for Flash Clear Lock Bits (in ms) */
+#define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
+
+/*** CFI CONFIG ***/
+#define CFG_FLASH_CFI_WIDTH FLASH_CFI_8BIT
+#define CFG_FLASH_CFI_DRIVER
+#define CFG_FLASH_CFI
+/* Bypass cache when reading regs from flash memory */
+#define CFG_FLASH_CFI_BYPASS_READ
+/* Buffered writes (32byte/go) instead of single accesses */
+#define CFG_FLASH_USE_BUFFER_WRITE
+
+/*
+ * Environment settings
+ */
+/*#define CFG_ENV_IS_NOWHERE 1*/
+#define CFG_ENV_IS_IN_FLASH 1
+/* CFG_ENV_ADDR need to be at sector boundary */
+#define CFG_ENV_SIZE 0x8000
+#define CFG_ENV_SECT_SIZE 0x20000
+#define CFG_ENV_ADDR (CFG_FLASH_BASE+CFG_FLASH_SIZE-CFG_ENV_SECT_SIZE)
+#define CONFIG_ENV_OVERWRITE 1
+
+/*
+ * Memory map
+ *
+ * Always 4Mb SRAM available
+ * SDRAM module may be available on 0x60000000, SDRAM
+ * is configured as if a 128Mb SDRAM module is available.
+ */
+
+#if CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SDRAM_NOSRAM
+#define CFG_SDRAM_BASE 0x40000000
+#else
+#define CFG_SDRAM_BASE 0x60000000
+#endif
+
+#define CFG_SDRAM_SIZE 0x08000000
+#define CFG_SDRAM_END (CFG_SDRAM_BASE+CFG_SDRAM_SIZE)
+
+/* 4Mb SRAM available */
+#if CONFIG_LEON_RAM_SELECT != CONFIG_LEON_RAM_SDRAM_NOSRAM
+#define CFG_SRAM_BASE 0x40000000
+#define CFG_SRAM_SIZE 0x400000
+#define CFG_SRAM_END (CFG_SRAM_BASE+CFG_SRAM_SIZE)
+#endif
+
+/* Select RAM used to run U-BOOT from... */
+#if CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SRAM
+#define CFG_RAM_BASE CFG_SRAM_BASE
+#define CFG_RAM_SIZE CFG_SRAM_SIZE
+#define CFG_RAM_END CFG_SRAM_END
+#else
+#define CFG_RAM_BASE CFG_SDRAM_BASE
+#define CFG_RAM_SIZE CFG_SDRAM_SIZE
+#define CFG_RAM_END CFG_SDRAM_END
+#endif
+
+#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET (CFG_RAM_END - CFG_GBL_DATA_SIZE)
+
+#define CFG_PROM_SIZE (8192-CFG_GBL_DATA_SIZE)
+#define CFG_PROM_OFFSET (CFG_GBL_DATA_OFFSET-CFG_PROM_SIZE)
+
+#define CFG_INIT_SP_OFFSET (CFG_PROM_OFFSET-32)
+#define CFG_STACK_SIZE (0x10000-32)
+
+#define CFG_MONITOR_BASE TEXT_BASE
+#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
+# define CFG_RAMBOOT 1
+#endif
+
+#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
+#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
+#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
+
+#define CFG_MALLOC_END (CFG_INIT_SP_OFFSET-CFG_STACK_SIZE)
+#define CFG_MALLOC_BASE (CFG_MALLOC_END-CFG_MALLOC_LEN)
+
+/* relocated monitor area */
+#define CFG_RELOC_MONITOR_MAX_END CFG_MALLOC_BASE
+#define CFG_RELOC_MONITOR_BASE (CFG_RELOC_MONITOR_MAX_END-CFG_MONITOR_LEN)
+
+/* make un relocated address from relocated address */
+#define UN_RELOC(address) (address-(CFG_RELOC_MONITOR_BASE-TEXT_BASE))
+
+/*
+ * Ethernet configuration uses on board SMC91C111
+ */
+#define CONFIG_DRIVER_SMC91111 1
+#define CONFIG_SMC91111_BASE 0x20000300 /* chip select 3 */
+#define CONFIG_SMC_USE_32_BIT 1 /* 32 bit bus */
+#undef CONFIG_SMC_91111_EXT_PHY /* we use internal phy */
+/*#define CONFIG_SHOW_ACTIVITY*/
+#define CONFIG_NET_RETRY_COUNT 10 /* # of retries */
+
+#define CONFIG_ETHADDR 00:00:7a:cc:00:13
+#define CONFIG_PHY_ADDR 0x00
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "=> " /* Monitor Command Prompt */
+#if defined(CONFIG_CMD_KGDB)
+#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
+#define CFG_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */
+
+#define CFG_LOAD_ADDR 0x100000 /* default load address */
+
+#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
+
+/*
+ * Various low-level settings
+ */
+
+/*-----------------------------------------------------------------------
+ * USB stuff
+ *-----------------------------------------------------------------------
+ */
+#define CONFIG_USB_CLOCK 0x0001BBBB
+#define CONFIG_USB_CONFIG 0x00005000
+
+/***** Gaisler GRLIB IP-Cores Config ********/
+
+/* AMBA Plug & Play info display on startup */
+/*#define CFG_AMBAPP_PRINT_ON_STARTUP*/
+
+#define CFG_GRLIB_SDRAM 0
+
+/* See, GRLIB Docs (grip.pdf) on how to set up
+ * These the memory controller registers.
+ */
+#define CFG_GRLIB_MEMCFG1 (0x10f800ff | (1<<11))
+#if CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SDRAM_NOSRAM
+#define CFG_GRLIB_MEMCFG2 0x82206000
+#else
+#define CFG_GRLIB_MEMCFG2 0x82205260
+#endif
+#define CFG_GRLIB_MEMCFG3 0x0809a000
+
+#define CFG_GRLIB_FT_MEMCFG1 (0x10f800ff | (1<<11))
+#if CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SDRAM_NOSRAM
+#define CFG_GRLIB_FT_MEMCFG2 0x82206000
+#else
+#define CFG_GRLIB_FT_MEMCFG2 0x82205260
+#endif
+#define CFG_GRLIB_FT_MEMCFG3 0x0809a000
+
+/* no DDR controller */
+#define CFG_GRLIB_DDR_CFG 0x00000000
+
+/* no DDR2 Controller */
+#define CFG_GRLIB_DDR2_CFG1 0x00000000
+#define CFG_GRLIB_DDR2_CFG3 0x00000000
+
+/* Calculate scaler register value from default baudrate */
+#define CFG_GRLIB_APBUART_SCALER \
+ ((((CONFIG_SYS_CLK_FREQ*10)/(CONFIG_BAUDRATE*8))-5)/10)
+
+/* Identification string */
+#define CONFIG_IDENT_STRING "GAISLER LEON3 GR-CPCI-AX2000"
+
+/* default kernel command line */
+#define CONFIG_DEFAULT_KERNEL_COMMAND_LINE "console=ttyS0,38400\0\0"
+
+#endif /* __CONFIG_H */
projects / oweals / u-boot.git / commitdiff