--- /dev/null
+/* Linker script for Gaisler Research AB's GRSIM LEON2 simulator.
+ *
+ * (C) Copyright 2007
+ * 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/leon2/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 LEON2 GRSIM.
+ *
+ * (C) Copyright 2003-2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2007
+ * 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)
+ *
+ * Select between TSIM or GRSIM by setting CONFIG_GRSIM or CONFIG_TSIM to 1.
+ *
+ * TSIM command
+ * tsim-leon -sdram 0 -ram 32000 -rom 8192 -mmu
+ *
+ */
+
+#define CONFIG_LEON2 /* This is an LEON2 CPU */
+#define CONFIG_LEON 1 /* This is an LEON CPU */
+#define CONFIG_GRSIM 0 /* ... not running on GRSIM */
+#define CONFIG_TSIM 1 /* ... running on TSIM */
+
+/* CPU / AMBA BUS configuration */
+#define CONFIG_SYS_CLK_FREQ 40000000 /* 40MHz */
+
+/* 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
+ */
+#define CONFIG_CMD_AUTOSCRIPT /* Autoscript Support */
+#define CONFIG_CMD_BDI /* bdinfo */
+#define CONFIG_CMD_CONSOLE /* coninfo */
+#define CONFIG_CMD_DIAG
+#define CONFIG_CMD_ECHO /* echo arguments */
+#define CONFIG_CMD_FPGA /* FPGA configuration Support */
+#define CONFIG_CMD_IRQ
+#define CONFIG_CMD_ITEST /* Integer (and string) test */
+#define CONFIG_CMD_LOADB /* loadb */
+#define CONFIG_CMD_LOADS /* loads */
+#define CONFIG_CMD_MISC /* Misc functions like sleep etc */
+#define CONFIG_CMD_REGINFO
+#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 */
+
+/*
+ * 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 CFG_HUSH_PARSER 0*/
+#ifdef CFG_HUSH_PARSER
+#define CFG_PROMPT_HUSH_PS2 "> "
+#endif
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "netdev=eth0\0" \
+ "nfsargs=setenv bootargs root=/dev/nfs rw " \
+ "nfsroot=${serverip}:${rootpath}\0" \
+ "ramargs=setenv bootargs 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" \
+ "net_nfs=tftp 40000000 ${bootfile};run nfsargs addip;bootm\0" \
+ "rootpath=/export/roofs\0" \
+ "scratch=40000000\0" \
+ "getkernel=tftpboot \$\(scratch\)\ \$\(bootfile\)\0" \
+ "ethaddr=00:00:7A:CC:00:12\0" \
+ "bootargs=console=ttyS0,38400" \
+ ""
+#define CONFIG_NETMASK 255.255.255.0
+#define CONFIG_GATEWAYIP 192.168.0.1
+#define CONFIG_SERVERIP 192.168.0.81
+#define CONFIG_IPADDR 192.168.0.80
+#define CONFIG_ROOTPATH /export/rootfs
+#define CONFIG_HOSTNAME grxc3s1500
+#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:
+ * |--------------------------------|
+ * | 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 CFG_ENV_SIZE 0x8000
+
+#define CFG_ENV_ADDR (CFG_FLASH_BASE+CFG_FLASH_SIZE-CFG_ENV_SIZE)
+
+#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) */
+
+#ifdef ENABLE_FLASH_SUPPORT
+/* For use with grsim FLASH emulation extension */
+#define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
+
+#undef CONFIG_FLASH_8BIT /* Flash is 32-bit */
+
+/*** CFI CONFIG ***/
+#define CFG_FLASH_CFI_WIDTH FLASH_CFI_8BIT
+#define CFG_FLASH_CFI_DRIVER
+#define CFG_FLASH_CFI
+#endif
+
+/*
+ * Environment settings
+ */
+#define CFG_ENV_IS_NOWHERE 1
+/*#define CFG_ENV_IS_IN_FLASH 0*/
+/*#define CFG_ENV_SIZE 0x8000*/
+#define CFG_ENV_SECT_SIZE 0x40000
+#define CONFIG_ENV_OVERWRITE 1
+
+/*
+ * Memory map
+ */
+#define CFG_SDRAM_BASE 0x40000000
+#define CFG_SDRAM_SIZE 0x00800000
+#define CFG_SDRAM_END (CFG_SDRAM_BASE+CFG_SDRAM_SIZE)
+
+/* no SRAM available */
+#undef CFG_SRAM_BASE
+#undef CFG_SRAM_SIZE
+
+
+/* Always Run U-Boot from SDRAM */
+#define CFG_RAM_BASE CFG_SDRAM_BASE
+#define CFG_RAM_SIZE CFG_SDRAM_SIZE
+#define CFG_RAM_END CFG_SDRAM_END
+
+#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
+ */
+/*#define CONFIG_GRETH 1*/
+/*#define CONFIG_NET_MULTI 1*/
+
+/* Default HARDWARE address */
+#define GRETH_HWADDR_0 0x00
+#define GRETH_HWADDR_1 0x00
+#define GRETH_HWADDR_2 0x7A
+#define GRETH_HWADDR_3 0xcc
+#define GRETH_HWADDR_4 0x00
+#define GRETH_HWADDR_5 0x12
+
+#define CONFIG_ETHADDR 00:00:7a:cc:00:12
+
+/*
+ * Define CONFIG_GRETH_10MBIT to force GRETH at 10Mb/s
+ */
+/* #define CONFIG_GRETH_10MBIT 1 */
+#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 */
+
+/***** Gaisler GRLIB IP-Cores Config ********/
+
+#define CFG_GRLIB_SDRAM 0
+#define CFG_GRLIB_MEMCFG1 (0x000000ff | (1<<11))
+#if CONFIG_GRSIM
+#define CFG_GRLIB_MEMCFG2 0x82206000
+#else
+#define CFG_GRLIB_MEMCFG2 0x00001820
+#endif
+#define CFG_GRLIB_MEMCFG3 0x00136000
+
+/*** LEON2 UART 1 ***/
+#define CFG_LEON2_UART1_SCALER \
+ ((((CONFIG_SYS_CLK_FREQ*10)/(CONFIG_BAUDRATE*8))-5)/10)
+
+/* UART1 Define to 1 or 0 */
+#define LEON2_UART1_LOOPBACK_ENABLE 0
+#define LEON2_UART1_FLOWCTRL_ENABLE 0
+#define LEON2_UART1_PARITY_ENABLE 0
+#define LEON2_UART1_ODDPAR_ENABLE 0
+
+/*** LEON2 UART 2 ***/
+
+#define CFG_LEON2_UART2_SCALER \
+ ((((CONFIG_SYS_CLK_FREQ*10)/(CONFIG_BAUDRATE*8))-5)/10)
+
+/* UART2 Define to 1 or 0 */
+#define LEON2_UART2_LOOPBACK_ENABLE 0
+#define LEON2_UART2_FLOWCTRL_ENABLE 0
+#define LEON2_UART2_PARITY_ENABLE 0
+#define LEON2_UART2_ODDPAR_ENABLE 0
+
+#define LEON_CONSOLE_UART1 1
+#define LEON_CONSOLE_UART2 2
+
+/* Use UART2 as console */
+#define LEON2_CONSOLE_SELECT LEON_CONSOLE_UART1
+
+/* LEON2 I/O Port */
+/*#define LEON2_IO_PORT_DIR 0x0000aa00*/
+
+/* default kernel command line */
+#define CONFIG_DEFAULT_KERNEL_COMMAND_LINE "console=ttyS0,38400\0\0"
+
+#define CONFIG_IDENT_STRING "Gaisler GRSIM LEON2"
+
+#endif /* __CONFIG_H */
projects / kernel / u-boot.git / commitdiff