blob: 03395461f7f1082827900911fe99a8470ef6e9d9 [file] [log] [blame]
Mike Frysingere5483212008-10-12 21:45:05 -04001/*
2 * U-boot - u-boot.lds.S
3 *
4 * Copyright (c) 2005-2008 Analog Device Inc.
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
32#undef bfin
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
41# define L1_DATA_B_SRAM CONFIG_SYS_MONITOR_BASE
42# define L1_DATA_B_SRAM_SIZE 0
43#endif
44
45/* The 0xC offset is so we don't clobber the tiny LDR jump block. */
46#ifdef CONFIG_BFIN_BOOTROM_USES_EVT1
47# define L1_CODE_ORIGIN L1_INST_SRAM
48#else
49# define L1_CODE_ORIGIN L1_INST_SRAM + 0xC
50#endif
51
52OUTPUT_ARCH(bfin)
53
54MEMORY
55{
56 ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN
57 l1_code : ORIGIN = L1_CODE_ORIGIN, LENGTH = L1_INST_SRAM_SIZE
58 l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
59}
60
61ENTRY(_start)
62SECTIONS
63{
64 .text :
65 {
66 cpu/blackfin/start.o (.text .text.*)
67
68#ifdef ENV_IS_EMBEDDED
69 /* WARNING - the following is hand-optimized to fit within
70 * the sector before the environment sector. If it throws
71 * an error during compilation remove an object here to get
72 * it linked after the configuration sector.
73 */
74
75 cpu/blackfin/traps.o (.text .text.*)
76 cpu/blackfin/interrupt.o (.text .text.*)
77 cpu/blackfin/serial.o (.text .text.*)
78 common/dlmalloc.o (.text .text.*)
79 lib_generic/crc32.o (.text .text.*)
80
81 . = DEFINED(env_offset) ? env_offset : .;
82 common/env_embedded.o (.text .text.*)
83#endif
84
85 __initcode_start = .;
86 cpu/blackfin/initcode.o (.text .text.*)
87 __initcode_end = .;
88
89 *(.text .text.*)
90 } >ram
91
92 .rodata :
93 {
94 . = ALIGN(4);
95 *(.rodata .rodata.*)
96 *(.rodata1)
97 *(.eh_frame)
98 . = ALIGN(4);
99 } >ram
100
101 .data :
102 {
103 . = ALIGN(256);
104 *(.data .data.*)
105 *(.data1)
106 *(.sdata)
107 *(.sdata2)
108 *(.dynamic)
109 CONSTRUCTORS
110 } >ram
111
112 .u_boot_cmd :
113 {
114 ___u_boot_cmd_start = .;
115 *(.u_boot_cmd)
116 ___u_boot_cmd_end = .;
117 } >ram
118
119 .text_l1 :
120 {
121 . = ALIGN(4);
122 __stext_l1 = .;
123 *(.l1.text)
124 . = ALIGN(4);
125 __etext_l1 = .;
126 } >l1_code AT>ram
127 __stext_l1_lma = LOADADDR(.text_l1);
128
129 .data_l1 :
130 {
131 . = ALIGN(4);
132 __sdata_l1 = .;
133 *(.l1.data)
134 *(.l1.bss)
135 . = ALIGN(4);
136 __edata_l1 = .;
137 } >l1_data AT>ram
138 __sdata_l1_lma = LOADADDR(.data_l1);
139
140 .bss :
141 {
142 . = ALIGN(4);
143 __bss_start = .;
144 *(.sbss) *(.scommon)
145 *(.dynbss)
146 *(.bss .bss.*)
147 *(COMMON)
148 __bss_end = .;
149 } >ram
150}