Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 1 | /* |
| 2 | * U-boot - u-boot.lds.S |
| 3 | * |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 4 | * Copyright (c) 2005-2008 Analog Device Inc. |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 5 | * |
| 6 | * (C) Copyright 2000-2004 |
| 7 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 8 | * |
| 9 | * See file CREDITS for list of people who contributed to this |
| 10 | * project. |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU General Public License as |
| 14 | * published by the Free Software Foundation; either version 2 of |
| 15 | * the License, or (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License |
| 23 | * along with this program; if not, write to the Free Software |
| 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 25 | * MA 02111-1307 USA |
| 26 | */ |
| 27 | |
| 28 | #include <config.h> |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 29 | #include <asm/blackfin.h> |
| 30 | #undef ALIGN |
Mike Frysinger | b9eecc3 | 2008-10-24 17:48:54 -0400 | [diff] [blame] | 31 | #undef ENTRY |
| 32 | #undef bfin |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 33 | |
| 34 | /* If we don't actually load anything into L1 data, this will avoid |
| 35 | * a syntax error. If we do actually load something into L1 data, |
| 36 | * we'll get a linker memory load error (which is what we'd want). |
| 37 | * This is here in the first place so we can quickly test building |
| 38 | * for different CPU's which may lack non-cache L1 data. |
| 39 | */ |
| 40 | #ifndef L1_DATA_B_SRAM |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 41 | # define L1_DATA_B_SRAM CONFIG_SYS_MONITOR_BASE |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 42 | # define L1_DATA_B_SRAM_SIZE 0 |
| 43 | #endif |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 44 | |
| 45 | OUTPUT_ARCH(bfin) |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 46 | |
| 47 | /* The 0xC offset is so we don't clobber the tiny LDR jump block. */ |
| 48 | MEMORY |
| 49 | { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 50 | ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 51 | l1_code : ORIGIN = L1_INST_SRAM+0xC, LENGTH = L1_INST_SRAM_SIZE |
| 52 | l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE |
| 53 | } |
| 54 | |
Mike Frysinger | b9eecc3 | 2008-10-24 17:48:54 -0400 | [diff] [blame] | 55 | ENTRY(_start) |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 56 | SECTIONS |
| 57 | { |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 58 | .text : |
| 59 | { |
Mike Frysinger | b9eecc3 | 2008-10-24 17:48:54 -0400 | [diff] [blame] | 60 | cpu/blackfin/start.o (.text .text.*) |
Mike Frysinger | c23bff6 | 2008-10-11 20:47:58 -0400 | [diff] [blame] | 61 | |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 62 | #ifdef ENV_IS_EMBEDDED |
| 63 | /* WARNING - the following is hand-optimized to fit within |
| 64 | * the sector before the environment sector. If it throws |
| 65 | * an error during compilation remove an object here to get |
| 66 | * it linked after the configuration sector. |
| 67 | */ |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 68 | |
Mike Frysinger | b9eecc3 | 2008-10-24 17:48:54 -0400 | [diff] [blame] | 69 | cpu/blackfin/traps.o (.text .text.*) |
| 70 | cpu/blackfin/interrupt.o (.text .text.*) |
| 71 | cpu/blackfin/serial.o (.text .text.*) |
| 72 | common/dlmalloc.o (.text .text.*) |
| 73 | lib_generic/crc32.o (.text .text.*) |
| 74 | lib_generic/zlib.o (.text .text.*) |
| 75 | board/bf561-ezkit/bf561-ezkit.o (.text .text.*) |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 76 | |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 77 | . = DEFINED(env_offset) ? env_offset : .; |
Mike Frysinger | b9eecc3 | 2008-10-24 17:48:54 -0400 | [diff] [blame] | 78 | common/env_embedded.o (.text .text.*) |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 79 | #endif |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 80 | |
Mike Frysinger | c23bff6 | 2008-10-11 20:47:58 -0400 | [diff] [blame] | 81 | __initcode_start = .; |
Mike Frysinger | b9eecc3 | 2008-10-24 17:48:54 -0400 | [diff] [blame] | 82 | cpu/blackfin/initcode.o (.text .text.*) |
Mike Frysinger | c23bff6 | 2008-10-11 20:47:58 -0400 | [diff] [blame] | 83 | __initcode_end = .; |
| 84 | |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 85 | *(.text .text.*) |
| 86 | } >ram |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 87 | |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 88 | .rodata : |
| 89 | { |
| 90 | . = ALIGN(4); |
| 91 | *(.rodata .rodata.*) |
| 92 | *(.rodata1) |
| 93 | *(.eh_frame) |
| 94 | . = ALIGN(4); |
| 95 | } >ram |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 96 | |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 97 | .data : |
| 98 | { |
| 99 | . = ALIGN(256); |
| 100 | *(.data .data.*) |
| 101 | *(.data1) |
| 102 | *(.sdata) |
| 103 | *(.sdata2) |
| 104 | *(.dynamic) |
| 105 | CONSTRUCTORS |
| 106 | } >ram |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 107 | |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 108 | .u_boot_cmd : |
| 109 | { |
| 110 | ___u_boot_cmd_start = .; |
| 111 | *(.u_boot_cmd) |
| 112 | ___u_boot_cmd_end = .; |
| 113 | } >ram |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 114 | |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 115 | .text_l1 : |
| 116 | { |
| 117 | . = ALIGN(4); |
| 118 | __stext_l1 = .; |
| 119 | *(.l1.text) |
| 120 | . = ALIGN(4); |
| 121 | __etext_l1 = .; |
| 122 | } >l1_code AT>ram |
| 123 | __stext_l1_lma = LOADADDR(.text_l1); |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 124 | |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 125 | .data_l1 : |
| 126 | { |
| 127 | . = ALIGN(4); |
| 128 | __sdata_l1 = .; |
| 129 | *(.l1.data) |
| 130 | *(.l1.bss) |
| 131 | . = ALIGN(4); |
| 132 | __edata_l1 = .; |
| 133 | } >l1_data AT>ram |
| 134 | __sdata_l1_lma = LOADADDR(.data_l1); |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 135 | |
Mike Frysinger | 9171fc8 | 2008-03-30 15:46:13 -0400 | [diff] [blame] | 136 | .bss : |
| 137 | { |
| 138 | . = ALIGN(4); |
| 139 | __bss_start = .; |
| 140 | *(.sbss) *(.scommon) |
| 141 | *(.dynbss) |
| 142 | *(.bss .bss.*) |
| 143 | *(COMMON) |
| 144 | __bss_end = .; |
| 145 | } >ram |
Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 146 | } |