forked from len0rd/rockbox
Add the Sansa M200 (v1) as a target - it's extremely similar to the Logik DAX (the LCD driver worked unchanged). Plus various tcc77x work, including a working tick interrupt (enabled in the bootloader). Rockbox itself builds for the M200 (there are no keymaps yet for the DAX), but doesn't progress very far due to the lack of an ATA (NAND flash) driver.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17306 a1c6a512-1295-4272-9138-f99709370657
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4cf4b5c2ae
commit
f2042983f0
31 changed files with 1879 additions and 37 deletions
144
firmware/target/arm/tcc77x/app.lds
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144
firmware/target/arm/tcc77x/app.lds
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#include "config.h"
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ENTRY(start)
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OUTPUT_FORMAT(elf32-littlearm)
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OUTPUT_ARCH(arm)
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STARTUP(target/arm/tcc77x/crt0.o)
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#define PLUGINSIZE PLUGIN_BUFFER_SIZE
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#define CODECSIZE CODEC_SIZE
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#include "imx31l.h"
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#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE - CODECSIZE
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#define DRAMORIG 0x20000000
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#define IRAMORIG 0x00000000
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#define IRAMSIZE IRAM_SIZE
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/* End of the audio buffer, where the codec buffer starts */
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#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
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/* Where the codec buffer ends, and the plugin buffer starts */
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#define ENDADDR (ENDAUDIOADDR + CODECSIZE)
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MEMORY
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{
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DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
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IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
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}
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SECTIONS
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{
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.text :
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{
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loadaddress = .;
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_loadaddress = .;
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. = ALIGN(0x200);
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*(.init.text)
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*(.text*)
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*(.glue_7)
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*(.glue_7t)
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. = ALIGN(0x4);
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} > DRAM
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.rodata :
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{
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*(.rodata) /* problems without this, dunno why */
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*(.rodata*)
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*(.rodata.str1.1)
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*(.rodata.str1.4)
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. = ALIGN(0x4);
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/* Pseudo-allocate the copies of the data sections */
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_datacopy = .;
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} > DRAM
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/* TRICK ALERT! For RAM execution, we put the .data section at the
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same load address as the copy. Thus, we don't waste extra RAM
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when we don't actually need the copy. */
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.data : AT ( _datacopy )
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{
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_datastart = .;
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*(.data*)
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. = ALIGN(0x4);
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_dataend = .;
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} > DRAM
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/DISCARD/ :
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{
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*(.eh_frame)
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}
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.vectors 0x0 :
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{
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_vectorsstart = .;
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*(.vectors);
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_vectorsend = .;
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} AT> DRAM
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_vectorscopy = LOADADDR(.vectors);
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.iram :
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{
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_iramstart = .;
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*(.icode)
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*(.irodata)
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*(.idata)
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. = ALIGN(0x4);
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_iramend = .;
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} > DRAM
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_iramcopy = LOADADDR(.iram);
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.ibss (NOLOAD) :
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{
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_iedata = .;
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*(.ibss)
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. = ALIGN(0x4);
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_iend = .;
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} > DRAM
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.stack :
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{
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*(.stack)
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stackbegin = .;
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. += 0x2000;
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stackend = .;
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} > DRAM
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.bss :
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{
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_edata = .;
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*(.bss*)
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*(COMMON)
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. = ALIGN(0x4);
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_end = .;
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} > DRAM
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.audiobuf ALIGN(4) :
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{
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_audiobuffer = .;
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audiobuffer = .;
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} > DRAM
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.audiobufend ENDAUDIOADDR:
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{
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audiobufend = .;
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_audiobufend = .;
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} > DRAM
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.codec ENDAUDIOADDR:
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{
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codecbuf = .;
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_codecbuf = .;
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}
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.plugin ENDADDR:
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{
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_pluginbuf = .;
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pluginbuf = .;
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}
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}
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