Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 1 | /* |
| 2 | * U-boot - u-boot.lds.S |
| 3 | * |
Mike Frysinger | 8a351f6 | 2010-03-23 16:23:39 -0400 | [diff] [blame] | 4 | * Copyright (c) 2005-2010 Analog Device Inc. |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [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> |
| 29 | #include <asm/blackfin.h> |
| 30 | #undef ALIGN |
| 31 | #undef ENTRY |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 32 | |
Mike Frysinger | 37f4870 | 2009-06-14 06:29:07 -0400 | [diff] [blame] | 33 | #ifndef LDS_BOARD_TEXT |
| 34 | # define LDS_BOARD_TEXT |
| 35 | #endif |
| 36 | |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 37 | /* If we don't actually load anything into L1 data, this will avoid |
| 38 | * a syntax error. If we do actually load something into L1 data, |
| 39 | * we'll get a linker memory load error (which is what we'd want). |
| 40 | * This is here in the first place so we can quickly test building |
| 41 | * for different CPU's which may lack non-cache L1 data. |
| 42 | */ |
Mike Frysinger | dc02937 | 2010-12-24 19:31:55 -0500 | [diff] [blame] | 43 | #ifndef L1_DATA_A_SRAM |
| 44 | # define L1_DATA_A_SRAM 0 |
| 45 | # define L1_DATA_A_SRAM_SIZE 0 |
| 46 | #endif |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 47 | #ifndef L1_DATA_B_SRAM |
Mike Frysinger | dc02937 | 2010-12-24 19:31:55 -0500 | [diff] [blame] | 48 | # define L1_DATA_B_SRAM L1_DATA_A_SRAM |
| 49 | # define L1_DATA_B_SRAM_SIZE L1_DATA_A_SRAM_SIZE |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 50 | #endif |
| 51 | |
Mike Frysinger | 55daf84 | 2009-07-23 16:26:58 -0400 | [diff] [blame] | 52 | /* The 0xC offset is so we don't clobber the tiny LDR jump block. */ |
| 53 | #ifdef CONFIG_BFIN_BOOTROM_USES_EVT1 |
| 54 | # define L1_CODE_ORIGIN L1_INST_SRAM |
| 55 | #else |
| 56 | # define L1_CODE_ORIGIN L1_INST_SRAM + 0xC |
| 57 | #endif |
| 58 | |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 59 | OUTPUT_ARCH(bfin) |
| 60 | |
| 61 | MEMORY |
| 62 | { |
Mike Frysinger | 4368ea2 | 2009-11-09 19:38:23 -0500 | [diff] [blame] | 63 | #if CONFIG_MEM_SIZE |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 64 | ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN |
Mike Frysinger | 4368ea2 | 2009-11-09 19:38:23 -0500 | [diff] [blame] | 65 | # define ram_code ram |
| 66 | # define ram_data ram |
| 67 | #else |
| 68 | # define ram_code l1_code |
| 69 | # define ram_data l1_data |
| 70 | #endif |
Mike Frysinger | 55daf84 | 2009-07-23 16:26:58 -0400 | [diff] [blame] | 71 | l1_code : ORIGIN = L1_CODE_ORIGIN, LENGTH = L1_INST_SRAM_SIZE |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 72 | l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE |
| 73 | } |
| 74 | |
| 75 | ENTRY(_start) |
| 76 | SECTIONS |
| 77 | { |
Mike Frysinger | 685ec2c | 2009-11-03 06:11:31 -0500 | [diff] [blame] | 78 | .text.pre : |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 79 | { |
Peter Tyser | 12e5765 | 2010-04-12 22:28:13 -0500 | [diff] [blame] | 80 | arch/blackfin/cpu/start.o (.text .text.*) |
Mike Frysinger | 37f4870 | 2009-06-14 06:29:07 -0400 | [diff] [blame] | 81 | |
| 82 | LDS_BOARD_TEXT |
Mike Frysinger | 685ec2c | 2009-11-03 06:11:31 -0500 | [diff] [blame] | 83 | } >ram_code |
Mike Frysinger | 37f4870 | 2009-06-14 06:29:07 -0400 | [diff] [blame] | 84 | |
Mike Frysinger | 685ec2c | 2009-11-03 06:11:31 -0500 | [diff] [blame] | 85 | .text.init : |
| 86 | { |
Peter Tyser | 12e5765 | 2010-04-12 22:28:13 -0500 | [diff] [blame] | 87 | arch/blackfin/cpu/initcode.o (.text .text.*) |
Mike Frysinger | 685ec2c | 2009-11-03 06:11:31 -0500 | [diff] [blame] | 88 | } >ram_code |
| 89 | __initcode_lma = LOADADDR(.text.init); |
| 90 | __initcode_len = SIZEOF(.text.init); |
Mike Frysinger | 37f4870 | 2009-06-14 06:29:07 -0400 | [diff] [blame] | 91 | |
Mike Frysinger | 685ec2c | 2009-11-03 06:11:31 -0500 | [diff] [blame] | 92 | .text : |
| 93 | { |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 94 | *(.text .text.*) |
Mike Frysinger | 4368ea2 | 2009-11-09 19:38:23 -0500 | [diff] [blame] | 95 | } >ram_code |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 96 | |
| 97 | .rodata : |
| 98 | { |
| 99 | . = ALIGN(4); |
Mike Frysinger | 48fd450 | 2010-01-15 04:47:06 -0500 | [diff] [blame] | 100 | *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 101 | . = ALIGN(4); |
Mike Frysinger | 4368ea2 | 2009-11-09 19:38:23 -0500 | [diff] [blame] | 102 | } >ram_data |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 103 | |
| 104 | .data : |
| 105 | { |
Mike Frysinger | 120ad97 | 2010-01-19 21:02:00 -0500 | [diff] [blame] | 106 | . = ALIGN(4); |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 107 | *(.data .data.*) |
| 108 | *(.data1) |
| 109 | *(.sdata) |
| 110 | *(.sdata2) |
| 111 | *(.dynamic) |
| 112 | CONSTRUCTORS |
Mike Frysinger | 4368ea2 | 2009-11-09 19:38:23 -0500 | [diff] [blame] | 113 | } >ram_data |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 114 | |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 115 | |
Marek Vasut | 607092a | 2012-10-12 10:27:03 +0000 | [diff] [blame] | 116 | .u_boot_list : { |
Albert ARIBAUD | c24895e | 2013-02-25 00:59:00 +0000 | [diff] [blame] | 117 | KEEP(*(SORT(.u_boot_list*))); |
Marek Vasut | 607092a | 2012-10-12 10:27:03 +0000 | [diff] [blame] | 118 | } >ram_data |
| 119 | |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 120 | .text_l1 : |
| 121 | { |
| 122 | . = ALIGN(4); |
| 123 | __stext_l1 = .; |
| 124 | *(.l1.text) |
| 125 | . = ALIGN(4); |
| 126 | __etext_l1 = .; |
Mike Frysinger | 4368ea2 | 2009-11-09 19:38:23 -0500 | [diff] [blame] | 127 | } >l1_code AT>ram_code |
Mike Frysinger | 685ec2c | 2009-11-03 06:11:31 -0500 | [diff] [blame] | 128 | __text_l1_lma = LOADADDR(.text_l1); |
| 129 | __text_l1_len = SIZEOF(.text_l1); |
| 130 | ASSERT (__text_l1_len <= L1_INST_SRAM_SIZE, "L1 text overflow!") |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 131 | |
| 132 | .data_l1 : |
| 133 | { |
| 134 | . = ALIGN(4); |
| 135 | __sdata_l1 = .; |
| 136 | *(.l1.data) |
| 137 | *(.l1.bss) |
| 138 | . = ALIGN(4); |
| 139 | __edata_l1 = .; |
Mike Frysinger | 4368ea2 | 2009-11-09 19:38:23 -0500 | [diff] [blame] | 140 | } >l1_data AT>ram_data |
Mike Frysinger | 685ec2c | 2009-11-03 06:11:31 -0500 | [diff] [blame] | 141 | __data_l1_lma = LOADADDR(.data_l1); |
| 142 | __data_l1_len = SIZEOF(.data_l1); |
Mike Frysinger | dc02937 | 2010-12-24 19:31:55 -0500 | [diff] [blame] | 143 | ASSERT (__data_l1_len <= L1_DATA_B_SRAM_SIZE, "L1 data overflow!") |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 144 | |
| 145 | .bss : |
| 146 | { |
| 147 | . = ALIGN(4); |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 148 | *(.sbss) *(.scommon) |
| 149 | *(.dynbss) |
| 150 | *(.bss .bss.*) |
| 151 | *(COMMON) |
Mike Frysinger | d4fb211 | 2010-11-15 08:16:19 -0500 | [diff] [blame] | 152 | . = ALIGN(4); |
Mike Frysinger | 4368ea2 | 2009-11-09 19:38:23 -0500 | [diff] [blame] | 153 | } >ram_data |
Mike Frysinger | 685ec2c | 2009-11-03 06:11:31 -0500 | [diff] [blame] | 154 | __bss_vma = ADDR(.bss); |
| 155 | __bss_len = SIZEOF(.bss); |
Mike Frysinger | 4752c19 | 2008-10-12 21:32:52 -0400 | [diff] [blame] | 156 | } |