Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_NXP/TARGET_LPC11UXX/TOOLCHAIN_GCC_CS/LPC11U24.ld@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
144:ef7eb2e8f9f7 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /* Linker script for mbed LPC1768
<> 144:ef7eb2e8f9f7 2 *
<> 144:ef7eb2e8f9f7 3 * Version:CodeSourcery Sourcery G++ Lite 2007q3-53
<> 144:ef7eb2e8f9f7 4 * BugURL:https://support.codesourcery.com/GNUToolchain/
<> 144:ef7eb2e8f9f7 5 *
<> 144:ef7eb2e8f9f7 6 * Copyright 2007 CodeSourcery.
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * The authors hereby grant permission to use, copy, modify, distribute,
<> 144:ef7eb2e8f9f7 9 * and license this software and its documentation for any purpose, provided
<> 144:ef7eb2e8f9f7 10 * that existing copyright notices are retained in all copies and that this
<> 144:ef7eb2e8f9f7 11 * notice is included verbatim in any distributions. No written agreement,
<> 144:ef7eb2e8f9f7 12 * license, or royalty fee is required for any of the authorized uses.
<> 144:ef7eb2e8f9f7 13 * Modifications to this software may be copyrighted by their authors
<> 144:ef7eb2e8f9f7 14 * and need not follow the licensing terms described here, provided that
<> 144:ef7eb2e8f9f7 15 * the new terms are clearly indicated on the first page of each file where
<> 144:ef7eb2e8f9f7 16 * they apply. */
<> 144:ef7eb2e8f9f7 17
<> 144:ef7eb2e8f9f7 18 OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
<> 144:ef7eb2e8f9f7 19 ENTRY(__cs3_reset_cortex_m)
<> 144:ef7eb2e8f9f7 20 SEARCH_DIR(.)
<> 144:ef7eb2e8f9f7 21
<> 144:ef7eb2e8f9f7 22 /*
<> 144:ef7eb2e8f9f7 23 ram ORIGIN: 8_byte_aligned(48 vect * 4 bytes) = 8_byte_aligned(0xC0) = 0xC0
<> 144:ef7eb2e8f9f7 24 ram LENGTH: 8KB - 0xC0 = 0xF40
<> 144:ef7eb2e8f9f7 25 */
<> 144:ef7eb2e8f9f7 26 MEMORY
<> 144:ef7eb2e8f9f7 27 {
<> 144:ef7eb2e8f9f7 28 rom (rx) : ORIGIN = 0x00000000, LENGTH = 32K
<> 144:ef7eb2e8f9f7 29
<> 144:ef7eb2e8f9f7 30 ram (rwx) : ORIGIN = 0x100000C0, LENGTH = 0x1F40
<> 144:ef7eb2e8f9f7 31 usb_ram (rwx) : ORIGIN = 0x20004000, LENGTH = 0x800
<> 144:ef7eb2e8f9f7 32 }
<> 144:ef7eb2e8f9f7 33
<> 144:ef7eb2e8f9f7 34 /* These force the linker to search for particular symbols from
<> 144:ef7eb2e8f9f7 35 * the start of the link process and thus ensure the user's
<> 144:ef7eb2e8f9f7 36 * overrides are picked up
<> 144:ef7eb2e8f9f7 37 */
<> 144:ef7eb2e8f9f7 38 EXTERN(__cs3_reset_cortex_m)
<> 144:ef7eb2e8f9f7 39 EXTERN(__cs3_interrupt_vector_cortex_m)
<> 144:ef7eb2e8f9f7 40 EXTERN(__cs3_start_c main __cs3_stack __cs3_stack_size __cs3_heap_end)
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 PROVIDE(__cs3_stack = __cs3_region_start_ram + __cs3_region_size_ram);
<> 144:ef7eb2e8f9f7 43 PROVIDE(__cs3_stack_size = __cs3_region_start_ram + __cs3_region_size_ram - _end);
<> 144:ef7eb2e8f9f7 44 PROVIDE(__cs3_heap_start = _end);
<> 144:ef7eb2e8f9f7 45 PROVIDE(__cs3_heap_end = __cs3_region_start_ram + __cs3_region_size_ram);
<> 144:ef7eb2e8f9f7 46
<> 144:ef7eb2e8f9f7 47 SECTIONS
<> 144:ef7eb2e8f9f7 48 {
<> 144:ef7eb2e8f9f7 49 .text :
<> 144:ef7eb2e8f9f7 50 {
<> 144:ef7eb2e8f9f7 51 CREATE_OBJECT_SYMBOLS
<> 144:ef7eb2e8f9f7 52 __cs3_region_start_rom = .;
<> 144:ef7eb2e8f9f7 53 *(.cs3.region-head.rom)
<> 144:ef7eb2e8f9f7 54 __cs3_interrupt_vector = __cs3_interrupt_vector_cortex_m;
<> 144:ef7eb2e8f9f7 55 *(.cs3.interrupt_vector)
<> 144:ef7eb2e8f9f7 56 /* Make sure we pulled in an interrupt vector. */
<> 144:ef7eb2e8f9f7 57 ASSERT (. != __cs3_interrupt_vector_cortex_m, "No interrupt vector");
<> 144:ef7eb2e8f9f7 58 *(.rom)
<> 144:ef7eb2e8f9f7 59 *(.rom.b)
<> 144:ef7eb2e8f9f7 60
<> 144:ef7eb2e8f9f7 61 __cs3_reset = __cs3_reset_cortex_m;
<> 144:ef7eb2e8f9f7 62 *(.cs3.reset)
<> 144:ef7eb2e8f9f7 63 /* Make sure we pulled in some reset code. */
<> 144:ef7eb2e8f9f7 64 ASSERT (. != __cs3_reset, "No reset code");
<> 144:ef7eb2e8f9f7 65
<> 144:ef7eb2e8f9f7 66 *(.text .text.* .gnu.linkonce.t.*)
<> 144:ef7eb2e8f9f7 67 *(.plt)
<> 144:ef7eb2e8f9f7 68 *(.gnu.warning)
<> 144:ef7eb2e8f9f7 69 *(.glue_7t) *(.glue_7) *(.vfp11_veneer)
<> 144:ef7eb2e8f9f7 70
<> 144:ef7eb2e8f9f7 71 *(.rodata .rodata.* .gnu.linkonce.r.*)
<> 144:ef7eb2e8f9f7 72
<> 144:ef7eb2e8f9f7 73 *(.ARM.extab* .gnu.linkonce.armextab.*)
<> 144:ef7eb2e8f9f7 74 *(.gcc_except_table)
<> 144:ef7eb2e8f9f7 75 *(.eh_frame_hdr)
<> 144:ef7eb2e8f9f7 76 *(.eh_frame)
<> 144:ef7eb2e8f9f7 77
<> 144:ef7eb2e8f9f7 78 . = ALIGN(4);
<> 144:ef7eb2e8f9f7 79 KEEP(*(.init))
<> 144:ef7eb2e8f9f7 80
<> 144:ef7eb2e8f9f7 81 . = ALIGN(4);
<> 144:ef7eb2e8f9f7 82 __preinit_array_start = .;
<> 144:ef7eb2e8f9f7 83 KEEP (*(.preinit_array))
<> 144:ef7eb2e8f9f7 84 __preinit_array_end = .;
<> 144:ef7eb2e8f9f7 85
<> 144:ef7eb2e8f9f7 86 . = ALIGN(4);
<> 144:ef7eb2e8f9f7 87 __init_array_start = .;
<> 144:ef7eb2e8f9f7 88 KEEP (*(SORT(.init_array.*)))
<> 144:ef7eb2e8f9f7 89 KEEP (*(.init_array))
<> 144:ef7eb2e8f9f7 90 __init_array_end = .;
<> 144:ef7eb2e8f9f7 91
<> 144:ef7eb2e8f9f7 92 . = ALIGN(0x4);
<> 144:ef7eb2e8f9f7 93 KEEP (*crtbegin.o(.ctors))
<> 144:ef7eb2e8f9f7 94 KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
<> 144:ef7eb2e8f9f7 95 KEEP (*(SORT(.ctors.*)))
<> 144:ef7eb2e8f9f7 96 KEEP (*crtend.o(.ctors))
<> 144:ef7eb2e8f9f7 97
<> 144:ef7eb2e8f9f7 98 . = ALIGN(4);
<> 144:ef7eb2e8f9f7 99 KEEP(*(.fini))
<> 144:ef7eb2e8f9f7 100
<> 144:ef7eb2e8f9f7 101 . = ALIGN(4);
<> 144:ef7eb2e8f9f7 102 __fini_array_start = .;
<> 144:ef7eb2e8f9f7 103 KEEP (*(.fini_array))
<> 144:ef7eb2e8f9f7 104 KEEP (*(SORT(.fini_array.*)))
<> 144:ef7eb2e8f9f7 105 __fini_array_end = .;
<> 144:ef7eb2e8f9f7 106
<> 144:ef7eb2e8f9f7 107 KEEP (*crtbegin.o(.dtors))
<> 144:ef7eb2e8f9f7 108 KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
<> 144:ef7eb2e8f9f7 109 KEEP (*(SORT(.dtors.*)))
<> 144:ef7eb2e8f9f7 110 KEEP (*crtend.o(.dtors))
<> 144:ef7eb2e8f9f7 111
<> 144:ef7eb2e8f9f7 112 . = ALIGN(4);
<> 144:ef7eb2e8f9f7 113 __cs3_regions = .;
<> 144:ef7eb2e8f9f7 114 LONG (0)
<> 144:ef7eb2e8f9f7 115 LONG (__cs3_region_init_ram)
<> 144:ef7eb2e8f9f7 116 LONG (__cs3_region_start_ram)
<> 144:ef7eb2e8f9f7 117 LONG (__cs3_region_init_size_ram)
<> 144:ef7eb2e8f9f7 118 LONG (__cs3_region_zero_size_ram)
<> 144:ef7eb2e8f9f7 119 }
<> 144:ef7eb2e8f9f7 120
<> 144:ef7eb2e8f9f7 121 /* .ARM.exidx is sorted, so has to go in its own output section. */
<> 144:ef7eb2e8f9f7 122 __exidx_start = .;
<> 144:ef7eb2e8f9f7 123 .ARM.exidx :
<> 144:ef7eb2e8f9f7 124 {
<> 144:ef7eb2e8f9f7 125 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
<> 144:ef7eb2e8f9f7 126 } >rom
<> 144:ef7eb2e8f9f7 127 __exidx_end = .;
<> 144:ef7eb2e8f9f7 128 .text.align :
<> 144:ef7eb2e8f9f7 129 {
<> 144:ef7eb2e8f9f7 130 . = ALIGN(8);
<> 144:ef7eb2e8f9f7 131 _etext = .;
<> 144:ef7eb2e8f9f7 132 } >rom
<> 144:ef7eb2e8f9f7 133 __cs3_region_size_rom = LENGTH(rom);
<> 144:ef7eb2e8f9f7 134 __cs3_region_num = 1;
<> 144:ef7eb2e8f9f7 135
<> 144:ef7eb2e8f9f7 136 .data :
<> 144:ef7eb2e8f9f7 137 {
<> 144:ef7eb2e8f9f7 138 __cs3_region_start_ram = .;
<> 144:ef7eb2e8f9f7 139 *(.cs3.region-head.ram)
<> 144:ef7eb2e8f9f7 140 KEEP(*(.jcr))
<> 144:ef7eb2e8f9f7 141 *(.got.plt) *(.got)
<> 144:ef7eb2e8f9f7 142 *(.shdata)
<> 144:ef7eb2e8f9f7 143 *(.data .data.* .gnu.linkonce.d.*)
<> 144:ef7eb2e8f9f7 144 *(.ram)
<> 144:ef7eb2e8f9f7 145 . = ALIGN (8);
<> 144:ef7eb2e8f9f7 146 _edata = .;
<> 144:ef7eb2e8f9f7 147 } >ram AT>rom
<> 144:ef7eb2e8f9f7 148 .bss :
<> 144:ef7eb2e8f9f7 149 {
<> 144:ef7eb2e8f9f7 150 *(.shbss)
<> 144:ef7eb2e8f9f7 151 *(.bss .bss.* .gnu.linkonce.b.*)
<> 144:ef7eb2e8f9f7 152 *(COMMON)
<> 144:ef7eb2e8f9f7 153 *(.ram.b)
<> 144:ef7eb2e8f9f7 154 . = ALIGN (8);
<> 144:ef7eb2e8f9f7 155 _end = .;
<> 144:ef7eb2e8f9f7 156 __end = .;
<> 144:ef7eb2e8f9f7 157 } >ram AT>rom
<> 144:ef7eb2e8f9f7 158
<> 144:ef7eb2e8f9f7 159 .heap (NOLOAD) :
<> 144:ef7eb2e8f9f7 160 {
<> 144:ef7eb2e8f9f7 161 *(.heap)
<> 144:ef7eb2e8f9f7 162 } >ram
<> 144:ef7eb2e8f9f7 163 .stack (__cs3_stack - __cs3_stack_size) (NOLOAD):
<> 144:ef7eb2e8f9f7 164 {
<> 144:ef7eb2e8f9f7 165 *(.stack)
<> 144:ef7eb2e8f9f7 166 _estack = .;
<> 144:ef7eb2e8f9f7 167 PROVIDE(estack = .);
<> 144:ef7eb2e8f9f7 168 } >ram
<> 144:ef7eb2e8f9f7 169
<> 144:ef7eb2e8f9f7 170 __cs3_region_init_ram = LOADADDR (.data);
<> 144:ef7eb2e8f9f7 171 __cs3_region_init_size_ram = _edata - __cs3_region_start_ram;
<> 144:ef7eb2e8f9f7 172 __cs3_region_zero_size_ram = _end - _edata;
<> 144:ef7eb2e8f9f7 173 __cs3_region_size_ram = LENGTH(ram);
<> 144:ef7eb2e8f9f7 174 __cs3_region_num = 1;
<> 144:ef7eb2e8f9f7 175
<> 144:ef7eb2e8f9f7 176 .stab 0 (NOLOAD) : { *(.stab) }
<> 144:ef7eb2e8f9f7 177 .stabstr 0 (NOLOAD) : { *(.stabstr) }
<> 144:ef7eb2e8f9f7 178 /* DWARF debug sections.
<> 144:ef7eb2e8f9f7 179 * Symbols in the DWARF debugging sections are relative to the beginning
<> 144:ef7eb2e8f9f7 180 * of the section so we begin them at 0. */
<> 144:ef7eb2e8f9f7 181 /* DWARF 1 */
<> 144:ef7eb2e8f9f7 182 .debug 0 : { *(.debug) }
<> 144:ef7eb2e8f9f7 183 .line 0 : { *(.line) }
<> 144:ef7eb2e8f9f7 184 /* GNU DWARF 1 extensions */
<> 144:ef7eb2e8f9f7 185 .debug_srcinfo 0 : { *(.debug_srcinfo) }
<> 144:ef7eb2e8f9f7 186 .debug_sfnames 0 : { *(.debug_sfnames) }
<> 144:ef7eb2e8f9f7 187 /* DWARF 1.1 and DWARF 2 */
<> 144:ef7eb2e8f9f7 188 .debug_aranges 0 : { *(.debug_aranges) }
<> 144:ef7eb2e8f9f7 189 .debug_pubnames 0 : { *(.debug_pubnames) }
<> 144:ef7eb2e8f9f7 190 /* DWARF 2 */
<> 144:ef7eb2e8f9f7 191 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
<> 144:ef7eb2e8f9f7 192 .debug_abbrev 0 : { *(.debug_abbrev) }
<> 144:ef7eb2e8f9f7 193 .debug_line 0 : { *(.debug_line) }
<> 144:ef7eb2e8f9f7 194 .debug_frame 0 : { *(.debug_frame) }
<> 144:ef7eb2e8f9f7 195 .debug_str 0 : { *(.debug_str) }
<> 144:ef7eb2e8f9f7 196 .debug_loc 0 : { *(.debug_loc) }
<> 144:ef7eb2e8f9f7 197 .debug_macinfo 0 : { *(.debug_macinfo) }
<> 144:ef7eb2e8f9f7 198 /* SGI/MIPS DWARF 2 extensions */
<> 144:ef7eb2e8f9f7 199 .debug_weaknames 0 : { *(.debug_weaknames) }
<> 144:ef7eb2e8f9f7 200 .debug_funcnames 0 : { *(.debug_funcnames) }
<> 144:ef7eb2e8f9f7 201 .debug_typenames 0 : { *(.debug_typenames) }
<> 144:ef7eb2e8f9f7 202 .debug_varnames 0 : { *(.debug_varnames) }
<> 144:ef7eb2e8f9f7 203
<> 144:ef7eb2e8f9f7 204 .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
<> 144:ef7eb2e8f9f7 205 .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
<> 144:ef7eb2e8f9f7 206 /DISCARD/ : { *(.note.GNU-stack) }
<> 144:ef7eb2e8f9f7 207 }