Add beginning of DSP code (done by Catalin Patulea), but don't enable it
yet as there's no C54xx compiler in the toolchain yet.. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17547 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere
parent
7a8fc3fd9d
commit
ac67d70173
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# __________ __ ___.
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# Open \______ \ ____ ____ | | _\_ |__ _______ ___
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# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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# \/ \/ \/ \/ \/
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# $Id: Makefile 12058 2007-01-18 00:46:52Z dave $
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#
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# http://daniel.haxx.se/blog/2007/11/18/free-to-use-compiler-from-ti/
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CC = cl500
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LD = lnk500
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CFLAGS = $(BUILDDATE)
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# There's more in linker.cmd.
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LDFLAGS = -w
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OBJS = arm.obj main.obj vectors.obj dma.obj
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ifeq ($(findstring -DCREATIVE_ZV,$(TARGET)), -DCREATIVE_ZV)
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OBJS += aic23.obj
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else
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OBJS += tsc2100.obj
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endif
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OBJS := $(patsubst %.obj, $(OBJDIR)/%.obj, $(OBJS))
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all: $(BUILDDIR)/dsp-image.h
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clean:
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$(call PRINTS,cleaning DSP firmware)rm -f $(OBJS) $(OBJDIR)/dsp-image.out $(OBJDIR)/dsp-image.xml
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$(BUILDDIR)/dsp-image.h: $(OBJS) linker.cmd
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$(call PRINTS,LNK500 dsp-image.out)lnk500 $(LDFLAGS) -o $(OBJDIR)/dsp-image.out $^
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$(call PRINTS,OFD500+XML2H $(@F))ofd500 -x -o /dev/stdout $(OBJDIR)/dsp-image.out | python $(TOOLSDIR)/xml2h.py $(OBJDIR)/dsp-image.xml > $@
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$(OBJDIR)/%.obj: %.asm
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$(SILENT)mkdir -p $(dir $@)
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$(call PRINTS,CL500 $<)$(CC) $(CFLAGS) -fr $(dir $@) $<
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$(OBJDIR)/%.obj: %.c
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$(SILENT)mkdir -p $(dir $@)
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$(call PRINTS,CL500 $<)$(CC) $(CFLAGS) -fr $(dir $@) $<
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$(OBJDIR)/arm.obj: arm.c arm.h registers.h ipc.h
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$(OBJDIR)/main.obj: main.c arm.h registers.h ipc.h dma.h audio.h
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$(OBJDIR)/aic23.obj: aic23.c audio.h registers.h
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$(OBJDIR)/tsc2100.obj: tsc2100.c audio.h registers.h
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$(OBJDIR)/dma.obj: dma.c dma.h registers.h ipc.h
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# For PRINTS.
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include $(TOOLSDIR)/make.inc
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Maurus Cuelenaere
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "audio.h"
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#include "registers.h"
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/* based on http://archopen.svn.sourceforge.net/viewvc/archopen/ArchOpen/trunk/libdsp/aic23.c?revision=213&view=markup */
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void audiohw_init(void)
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{
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/* port config */
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#if 0
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SPCR10 = 0; /* DLB = 0 ** RJUST = 0 ** CLKSTP = 0 ** DXENA = 0 ** ABIS = 0 ** RINTM = 0 ** RSYNCER = 0 ** RFULL = 0 ** RRDY = 0 ** RRST = 0 */
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SPCR20 = (1 << 9); /* FREE = 1 ** SOFT = 0 ** FRST = 0 ** GRST = 0 ** XINTM = 0 ** XSYNCER = 0 ** XEMPTY = 0 ** XRDY = 0 ** XRST = 0 */
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RCR10 = (1 << 8) | (2 << 5); /* RFRLEN1 = 1 ** RWDLEN1 = 2 */
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RCR20 = 0; /* RPHASE = 0 ** RFRLEN2 = 0 ** RWDLEN2 = 0 ** RCOMPAND = 0 ** RFIG = 0 ** RDATDLY = 0 */
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XCR10 = (1 << 8) | (2 << 5); /* XFRLEN1 = 1 ** XWDLEN1 = 2 */
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XCR20 = 0; /* XPHASE = 0 ** XFRLEN2 = 0 ** XWDLEN2 = 0 ** XCOMPAND = 0 ** XFIG = 0 ** XDATDLY = 0 */
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SRGR10 = 0; /* FWID = 0 ** CLKGDV = 0 */
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SRGR20 = 0; /* FREE = 0 ** CLKSP = 0 ** CLKSM = 0 ** FSGM = 0 ** FPER = 0 */
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PCR0 = (1 << 1) | 1; /* IDLEEN = 0 ** XIOEN = 0 ** RIOEN = 0 ** FSXM = 0 ** FSRM = 0 ** SCLKME = 0 ** CLKSSTAT = 0 ** DXSTAT = 0 ** DRSTAT = 0 ** CLKXM = 0 ** CLKRM = 0 ** FSXP = 0 ** FSRP = 0 ** CLKXP = 1 ** CLKRP = 1 */
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#else
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SPCR10 = 0;
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SPCR20 = 0x0200; /* SPCR : free running mode */
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RCR10 = 0x00A0;
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RCR20 = 0x00A1; /* RCR : 32 bit receive data length */
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XCR10 = 0x00A0;
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XCR20 = 0x00A0; /* XCR : 32 bit transmit data length */
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SRGR10 = 0;
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SRGR20 = 0x3000; /* SRGR 1 & 2 */
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PCR0 = 0x000E - 8; /* PCR : FSX, FSR active low, external FS/CLK source */
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#endif
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}
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void audiohw_postinit(void)
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{
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/* Trigger first XEVT0 */
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SPCR20 |= 1;
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}
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Catalin Patulea
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include "arm.h"
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#include "registers.h"
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#include "ipc.h"
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volatile struct ipc_message status;
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volatile int acked;
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interrupt void handle_int0(void) {
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IFR = 1;
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acked = 1;
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}
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void debugf(const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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status.msg = MSG_DEBUGF;
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vsnprintf((char *)status.payload.debugf.buffer, sizeof(status), fmt, args);
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va_end(args);
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/* Wait until ARM has picked up data. */
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acked = 0;
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int_arm();
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while (!acked) {
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/* IDLE alone never seems to wake up :( */
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asm(" IDLE 1");
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asm(" NOP");
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}
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acked = 2;
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}
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Catalin Patulea
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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||||
*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef ARM_H
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#define ARM_H
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#include "registers.h"
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extern volatile struct ipc_message status;
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void debugf(const char *fmt, ...);
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inline void int_arm(void) {
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CP_INTC = 1 << 3;
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}
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#endif
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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||||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Maurus Cuelenaere
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef AUDIO_H
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#define AUDIO_H
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void audiohw_init(void);
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void audiohw_postinit(void);
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#endif
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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||||
* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Catalin Patulea
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* Copyright (C) 2008 by Maurus Cuelenaere
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*
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* All files in this archive are subject to the GNU General Public License.
|
||||
* See the file COPYING in the source tree root for full license agreement.
|
||||
*
|
||||
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||||
* KIND, either express or implied.
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||||
*
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||||
****************************************************************************/
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#include "registers.h"
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#include "arm.h"
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#include "dma.h"
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/* This is placed at the right (aligned) address using linker.cmd. */
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#pragma DATA_SECTION (data, ".dma")
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signed short data[PCM_SIZE / 2];
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/* Filled in by loader. */
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unsigned short sdem_addrh;
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unsigned short sdem_addrl;
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interrupt void handle_dma0(void) {
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unsigned long sdem_addr;
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/* Byte offset to half-buffer locked by DMA0.
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0 for top, PCM_SIZE/2(0x4000) for bottom */
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unsigned short dma0_locked;
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unsigned short dma0_unlocked;
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IFR = 1 << 6;
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/* DMSRC0 is the beginning of the DMA0-locked SARAM half-buffer. */
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DMSA = 0x00 /* DMSRC0 */;
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dma0_locked = (DMSDN << 1) & (PCM_SIZE / 2);
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dma0_unlocked = dma0_locked ^ (PCM_SIZE / 2);
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/* ARM, decode into same half, in SDRAM. */
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status.msg = MSG_REFILL;
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status.payload.refill.topbottom = dma0_locked;
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int_arm();
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/* DMAC, copy opposite halves from SDRAM to SARAM. */
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sdem_addr = ((unsigned long)sdem_addrh << 16 | sdem_addrl) + dma0_unlocked;
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SDEM_ADDRL = sdem_addr & 0xffff;
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SDEM_ADDRH = sdem_addr >> 16;
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DSP_ADDRL = (unsigned short)data + (dma0_unlocked >> 1);
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DSP_ADDRH = 0;
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DMA_SIZE = PCM_SIZE / 2;
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DMA_CTRL = 0;
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status.payload.refill._DMA_TRG = DMA_TRG;
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status.payload.refill._SDEM_ADDRH = SDEM_ADDRH;
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status.payload.refill._SDEM_ADDRL = SDEM_ADDRL;
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status.payload.refill._DSP_ADDRH = DSP_ADDRH;
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status.payload.refill._DSP_ADDRL = DSP_ADDRL;
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DMA_TRG = 1;
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}
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interrupt void handle_dmac(void) {
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IFR = 1 << 11;
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}
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void dma_init(void) {
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/* Configure DMA */
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DMSFC0 = 2 << 12 | 1 << 11; /* Event XEVT0, 32-bit transfers, 0 frame count */
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DMMCR0 = 1 << 14 | 1 << 13 | /* Interrupts generated, Half and full buffer */
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1 << 12 | 1 << 8 | 1 << 6 | 1; /* ABU mode,
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From data space with postincrement,
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To data space with no mod */
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DMSRC0 = (unsigned short)&data;
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DMDST0 = (unsigned short)&DXR20; /* First of two-word register pair */
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DMCTR0 = sizeof(data);
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/* Run, Rudolf, run! (with DMA0 interrupts) */
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DMPREC = 2 << 6 | 1;
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}
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/***************************************************************************
|
||||
* __________ __ ___.
|
||||
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||||
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||||
* \/ \/ \/ \/ \/
|
||||
* $Id$
|
||||
*
|
||||
* Copyright (C) 2008 by Maurus Cuelenaere
|
||||
*
|
||||
* All files in this archive are subject to the GNU General Public License.
|
||||
* See the file COPYING in the source tree root for full license agreement.
|
||||
*
|
||||
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||||
* KIND, either express or implied.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef DMA_H
|
||||
#define DMA_H
|
||||
|
||||
#include "ipc.h"
|
||||
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extern signed short data[PCM_SIZE / 2];
|
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void dma_init(void);
|
||||
|
||||
#endif
|
||||
|
|
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|
|||
/***************************************************************************
|
||||
* __________ __ ___.
|
||||
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||||
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||||
* \/ \/ \/ \/ \/
|
||||
* $Id$
|
||||
*
|
||||
* Copyright (C) 2008 by Catalin Patulea
|
||||
*
|
||||
* All files in this archive are subject to the GNU General Public License.
|
||||
* See the file COPYING in the source tree root for full license agreement.
|
||||
*
|
||||
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||||
* KIND, either express or implied.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef IPC_H
|
||||
#define IPC_H
|
||||
|
||||
/* Inter-Processor Communication */
|
||||
|
||||
/* Meant to be included by both DSP and ARM code. */
|
||||
#ifdef __GNUC__
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||||
/* aligned(2) is VERY IMPORTANT. It ensures gcc generates code with "STRH"
|
||||
instead of with "STRB". STRB in the DSP memory range is broken because
|
||||
the HPI is in 16-bit mode. */
|
||||
#define PACKED __attribute__((packed)) __attribute__((aligned (2)))
|
||||
#else
|
||||
#define PACKED
|
||||
#endif
|
||||
|
||||
#define PCM_SIZE 32768 /* bytes */
|
||||
|
||||
struct sdram_buffer {
|
||||
unsigned long addr;
|
||||
unsigned short bytes;
|
||||
} PACKED;
|
||||
|
||||
#define SDRAM_BUFFERS 4
|
||||
|
||||
struct ipc_message {
|
||||
unsigned short msg;
|
||||
union {
|
||||
#define MSG_INIT 1
|
||||
struct msg_init {
|
||||
unsigned short sdem_addrl;
|
||||
unsigned short sdem_addrh;
|
||||
} init PACKED;
|
||||
#define MSG_DEBUGF 2
|
||||
struct {
|
||||
short buffer[80];
|
||||
} debugf PACKED;
|
||||
#define MSG_REFILL 3
|
||||
struct {
|
||||
unsigned short topbottom; /* byte offset to unlocked half-buffer */
|
||||
|
||||
unsigned short _DMA_TRG;
|
||||
unsigned short _SDEM_ADDRH;
|
||||
unsigned short _SDEM_ADDRL;
|
||||
unsigned short _DSP_ADDRH;
|
||||
unsigned short _DSP_ADDRL;
|
||||
unsigned short _DMA_SIZE;
|
||||
} refill PACKED;
|
||||
} payload PACKED;
|
||||
} PACKED;
|
||||
#endif
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
-c
|
||||
-x
|
||||
-stack 0x1000
|
||||
-heap 0x100
|
||||
-l rts500.lib
|
||||
|
||||
MEMORY
|
||||
{
|
||||
PAGE 0:
|
||||
DARAM: origin = 80h, length = 7F80h
|
||||
SARAM: origin = 8000h, length = 4000h
|
||||
}
|
||||
|
||||
SECTIONS
|
||||
{
|
||||
.text PAGE 0
|
||||
.cinit PAGE 0
|
||||
.switch PAGE 0
|
||||
|
||||
.bss PAGE 0
|
||||
.const PAGE 0
|
||||
.sysmem PAGE 0
|
||||
.stack PAGE 0
|
||||
|
||||
.vectors : PAGE 0 load = 7F80h
|
||||
|
||||
/* DMA buffers for ABU mode must start on a 2*size boundary. */
|
||||
.dma : PAGE 0 load = 0x8000
|
||||
}
|
||||
|
|
@ -0,0 +1,145 @@
|
|||
/***************************************************************************
|
||||
* __________ __ ___.
|
||||
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||||
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||||
* \/ \/ \/ \/ \/
|
||||
* $Id$
|
||||
*
|
||||
* Copyright (C) 2008 by Catalin Patulea
|
||||
*
|
||||
* All files in this archive are subject to the GNU General Public License.
|
||||
* See the file COPYING in the source tree root for full license agreement.
|
||||
*
|
||||
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||||
* KIND, either express or implied.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#include "registers.h"
|
||||
#include "arm.h"
|
||||
#include "ipc.h"
|
||||
#include "dma.h"
|
||||
#include "audio.h"
|
||||
#include <math.h>
|
||||
|
||||
void main(void) {
|
||||
register int i;
|
||||
register signed short *p;
|
||||
|
||||
TCR = 1 << 4; /* Stop the timer. */
|
||||
IMR = 0xffff; /* Unmask all interrupts. */
|
||||
IFR = IFR; /* Clear all pending interrupts. */
|
||||
asm(" rsbx INTM"); /* Globally enable interrupts. */
|
||||
|
||||
audiohw_init();
|
||||
|
||||
dma_init();
|
||||
|
||||
audiohw_postinit();
|
||||
|
||||
#if 0
|
||||
for (i = 0; i < 32; i++)
|
||||
{
|
||||
double ratio = ((double)i)/32.0;
|
||||
double rad = 3.0*3.141592*ratio;
|
||||
double normal = sin(rad);
|
||||
double scaled = 32767.0*(normal);
|
||||
data[2*i + 0] = -(signed short)scaled;
|
||||
data[2*i + 1] = (signed short)scaled;
|
||||
}
|
||||
|
||||
debugf("starting write");
|
||||
|
||||
i = 0;
|
||||
p = data;
|
||||
SPSA0 = 0x01;
|
||||
for (;;) {
|
||||
while ((SPSD0 & (1 << 1)) == 0);
|
||||
DXR20 = *p++; // left channel
|
||||
DXR10 = *p++; // right channel
|
||||
if (++i == 32)
|
||||
{
|
||||
p = data;
|
||||
i = 0;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
debugf("DSP inited...");
|
||||
|
||||
for (;;) {
|
||||
asm(" IDLE 1");
|
||||
asm(" NOP");
|
||||
}
|
||||
}
|
||||
|
||||
/* Obsoleted/testing snippets: */
|
||||
#ifdef REMAP_VECTORS
|
||||
/* Remap vectors to 0x3F80 (set in linker.cmd). */
|
||||
PMST = (PMST & 0x7f) | 0x3F80;
|
||||
|
||||
/* Make sure working interrupts aren't a fluke. */
|
||||
memset((unsigned short *)0x7f80, 0, 0x80);
|
||||
#endif
|
||||
|
||||
#ifdef DATA_32_SINE
|
||||
for (i = 0; i < 32; i++) {
|
||||
double ratio = ((double)i)/32.0;
|
||||
double rad = 3.0*3.141592*ratio;
|
||||
double normal = sin(rad);
|
||||
double scaled = 32767.0*(normal);
|
||||
data[2*i + 0] = -(signed short)scaled;
|
||||
data[2*i + 1] = (signed short)scaled;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef MANUAL_TRANSFER
|
||||
register signed short *p;
|
||||
|
||||
debugf("starting write");
|
||||
|
||||
i = 0;
|
||||
p = data;
|
||||
SPSA0 = 0x01;
|
||||
for (;;) {
|
||||
while ((SPSD0 & (1 << 1)) == 0);
|
||||
DXR20 = *p++; // left channel
|
||||
DXR10 = *p++; // right channel
|
||||
if (++i == 32) {
|
||||
p = data;
|
||||
i = 0;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef INIT_MSG
|
||||
/* Copy codec init data (before debugf, which clobbers status). */
|
||||
if (status.msg != MSG_INIT) {
|
||||
debugf("No init message (%04x: %04x %04x %04x %04x instead)",
|
||||
(unsigned short)&status,
|
||||
((unsigned short *)&status)[0],
|
||||
((unsigned short *)&status)[1],
|
||||
((unsigned short *)&status)[2],
|
||||
((unsigned short *)&status)[3]);
|
||||
return;
|
||||
}
|
||||
|
||||
memcpy(&init, (void *)&status.payload.init, sizeof(init));
|
||||
#endif
|
||||
|
||||
#ifdef IPC_SIZES
|
||||
debugf("sizeof(ipc_message)=%uw offset(ipc_message.payload)=%uw",
|
||||
sizeof(struct ipc_message), (int)&((struct ipc_message*)0)->payload);
|
||||
#endif
|
||||
|
||||
#ifdef VERBOSE_INIT
|
||||
debugf("codec started with PCM at SDRAM offset %04x:%04x",
|
||||
sdem_addrh, sdem_addrl);
|
||||
#endif
|
||||
|
||||
#ifdef SPIKE_DATA
|
||||
for (i = 0; i < 0x2000; i++) {
|
||||
data[2*i ] = data[2*i+1] = ((i % 32) == 0) * 32767;
|
||||
}
|
||||
#endif
|
||||
|
|
@ -0,0 +1,93 @@
|
|||
/***************************************************************************
|
||||
* __________ __ ___.
|
||||
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||||
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||||
* \/ \/ \/ \/ \/
|
||||
* $Id$
|
||||
*
|
||||
* Copyright (C) 2008 by Catalin Patulea
|
||||
*
|
||||
* All files in this archive are subject to the GNU General Public License.
|
||||
* See the file COPYING in the source tree root for full license agreement.
|
||||
*
|
||||
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||||
* KIND, either express or implied.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef REGISTERS_H
|
||||
#define REGISTERS_H
|
||||
|
||||
#define C5409_REG(addr) (*(volatile unsigned short *)(addr))
|
||||
|
||||
/* This is NOT good for reading, only for writing. */
|
||||
#define BANKED_REG(spsa, spsd, subaddr) spsa = (subaddr), spsd
|
||||
|
||||
#define IMR C5409_REG(0x00)
|
||||
#define IFR C5409_REG(0x01)
|
||||
|
||||
#define PMST C5409_REG(0x1D)
|
||||
|
||||
#define TCR C5409_REG(0x26)
|
||||
|
||||
/* McBSP 0 (SPRU302 Chapter 2) */
|
||||
#define DXR20 C5409_REG(0x22)
|
||||
#define DXR10 C5409_REG(0x23)
|
||||
#define SPSA0 C5409_REG(0x38)
|
||||
#define SPSD0 C5409_REG(0x39)
|
||||
#define SPCR10 BANKED_REG(SPSA0, SPSD0, 0x00)
|
||||
#define SPCR20 BANKED_REG(SPSA0, SPSD0, 0x01)
|
||||
#define RCR10 BANKED_REG(SPSA0, SPSD0, 0x02)
|
||||
#define RCR20 BANKED_REG(SPSA0, SPSD0, 0x03)
|
||||
#define XCR10 BANKED_REG(SPSA0, SPSD0, 0x04)
|
||||
#define XCR20 BANKED_REG(SPSA0, SPSD0, 0x05)
|
||||
#define SRGR10 BANKED_REG(SPSA0, SPSD0, 0x06)
|
||||
#define SRGR20 BANKED_REG(SPSA0, SPSD0, 0x07)
|
||||
#define PCR0 BANKED_REG(SPSA0, SPSD0, 0x0e)
|
||||
|
||||
/* McBSP 1 */
|
||||
#define DXR21 C5409_REG(0x42)
|
||||
#define DXR11 C5409_REG(0x43)
|
||||
#define SPSA1 C5409_REG(0x48)
|
||||
#define SPSD1 C5409_REG(0x49)
|
||||
#define SPCR11 BANKED_REG(SPSA1, SPSD1, 0x00)
|
||||
#define SPCR21 BANKED_REG(SPSA1, SPSD1, 0x01)
|
||||
#define XCR11 BANKED_REG(SPSA1, SPSD1, 0x04)
|
||||
#define XCR21 BANKED_REG(SPSA1, SPSD1, 0x05)
|
||||
#define PCR1 BANKED_REG(SPSA1, SPSD1, 0x0e)
|
||||
|
||||
/* DMA */
|
||||
#define DMPREC C5409_REG(0x54)
|
||||
#define DMSA C5409_REG(0x55)
|
||||
#define DMSDI C5409_REG(0x56)
|
||||
#define DMSDN C5409_REG(0x57)
|
||||
#define DMSRC0 BANKED_REG(DMSA, DMSDN, 0x00)
|
||||
#define DMDST0 BANKED_REG(DMSA, DMSDN, 0x01)
|
||||
#define DMCTR0 BANKED_REG(DMSA, DMSDN, 0x02)
|
||||
#define DMSFC0 BANKED_REG(DMSA, DMSDN, 0x03)
|
||||
#define DMMCR0 BANKED_REG(DMSA, DMSDN, 0x04)
|
||||
|
||||
|
||||
/* DM320 */
|
||||
ioport unsigned short port280;
|
||||
#define CP_INTC port280
|
||||
ioport unsigned short port8000;
|
||||
#define SDEM_ADDRL port8000
|
||||
ioport unsigned short port8001;
|
||||
#define SDEM_ADDRH port8001
|
||||
ioport unsigned short port8002;
|
||||
#define DSP_ADDRL port8002
|
||||
ioport unsigned short port8003;
|
||||
#define DSP_ADDRH port8003
|
||||
ioport unsigned short port8004;
|
||||
#define DMA_SIZE port8004
|
||||
ioport unsigned short port8005;
|
||||
#define DMA_CTRL port8005
|
||||
ioport unsigned short port8006;
|
||||
#define DMA_TRG port8006
|
||||
ioport unsigned short port8007;
|
||||
#define DMA_REST port8007
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
/***************************************************************************
|
||||
* __________ __ ___.
|
||||
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||||
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||||
* \/ \/ \/ \/ \/
|
||||
* $Id$
|
||||
*
|
||||
* Copyright (C) 2008 by Catalin Patulea
|
||||
*
|
||||
* All files in this archive are subject to the GNU General Public License.
|
||||
* See the file COPYING in the source tree root for full license agreement.
|
||||
*
|
||||
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||||
* KIND, either express or implied.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#include "audio.h"
|
||||
#include "registers.h"
|
||||
|
||||
void audiohw_init(void)
|
||||
{
|
||||
/* Configure McBSP */
|
||||
SPCR10 = 0; /* Receiver reset */
|
||||
SPCR20 = 3 << 4; /* Rate gen disabled, RINT=XSYNCERR, TX disabled for now */
|
||||
PCR0 = 1 << 1; /* Serial port pins, external frame sync, external clock,
|
||||
frame sync FSX is active-high,
|
||||
TX data sampled on falling clock */
|
||||
XCR10 = 0x00a0; /* 1 word per frame, 32 bits per word */
|
||||
XCR20 = 0; /* Single-phase, unexpected frame pulse restarts xfer,
|
||||
0-bit data delay */
|
||||
}
|
||||
|
||||
void audiohw_postinit(void)
|
||||
{
|
||||
/* Trigger first XEVT0 */
|
||||
SPCR20 |= 1;
|
||||
}
|
||||
|
|
@ -0,0 +1,143 @@
|
|||
;* Copyright (c) 2007, C.P.R. Baaij
|
||||
;* All rights reserved.
|
||||
;*
|
||||
;* Redistribution and use in source and binary forms, with or without
|
||||
;* modification, are permitted provided that the following conditions are met:
|
||||
;* * Redistributions of source code must retain the above copyright
|
||||
;* notice, this list of conditions and the following disclaimer.
|
||||
;* * Redistributions in binary form must reproduce the above copyright
|
||||
;* notice, this list of conditions and the following disclaimer in the
|
||||
;* documentation and/or other materials provided with the distribution.
|
||||
;*
|
||||
;* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
;* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
;* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
;* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
;* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
;* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
;* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
;* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
;* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
;* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
;*-----------------------------------------------------------------------------*
|
||||
;* Interrupt Vectors *
|
||||
;*-----------------------------------------------------------------------------*
|
||||
.mmregs
|
||||
|
||||
; External Functions
|
||||
.global _handle_int0
|
||||
.global _c_int00
|
||||
.global _handle_dma0
|
||||
.global _handle_dmac
|
||||
|
||||
.sect ".vectors"
|
||||
; Reset Interrupt
|
||||
RS_V: BD _c_int00
|
||||
NOP
|
||||
NOP
|
||||
|
||||
; Non-Maskable Interrupt
|
||||
NMI_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
|
||||
; Software Interrupts
|
||||
SINt17_V: .space 4*16
|
||||
SINt18_V: .space 4*16
|
||||
SINt19_V: .space 4*16
|
||||
SINt20_V: .space 4*16
|
||||
SINt21_V: .space 4*16
|
||||
SINt22_V: .space 4*16
|
||||
SINt23_V: .space 4*16
|
||||
SINt24_V: .space 4*16
|
||||
SINt25_V: .space 4*16
|
||||
SINt26_V: .space 4*16
|
||||
SINt27_V: .space 4*16
|
||||
SINt28_V: .space 4*16
|
||||
SINt29_V: .space 4*16
|
||||
SINt30_V: .space 4*16
|
||||
; INT0 - ARM Interrupting DSP via HPIB
|
||||
INT0_V: BD _handle_int0
|
||||
NOP
|
||||
NOP
|
||||
; INT1 - Interrupt is generated based on the settings of DSP_SYNC_STATE and
|
||||
; DSP_SYNC_MASK register of the coprocessor subsystem or when DSPINT1 bit in
|
||||
; CP_INTC is set.
|
||||
INT1_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
; INT2 - Interrupt is generated when DSPINT2 bit in CP_INTC register of the
|
||||
; coprocessor subsystem is set.
|
||||
INT2_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
; Timer Interrupt
|
||||
TINT_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
; McBSP0 receive interrupt
|
||||
BRINT0_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
; McBSP0 transmit interrupt
|
||||
BXINT0_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
; DMA Channel-0 interrupt
|
||||
DMAC0_V: BD _handle_dma0
|
||||
NOP
|
||||
NOP
|
||||
; DMA Channel-1 interrupt
|
||||
DMAC1_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
; INT3 - Interrupt is generated when DSPINT3 bit in CP_INTC register of the
|
||||
; coprocessor subsystem is set or on write of any value to BRKPT_TRG
|
||||
INT3_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
; HPIB HINT to DSP
|
||||
HINT_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
; BRINT1/DMAC2 McBSP1 receive interrupt
|
||||
BRINT1_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
; BXINT1/DMAC3 McBSP1 transmit interrupt
|
||||
BXINT1_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
; DMA Channel-4 interrupt
|
||||
DMAC4_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
; DMA Channel-5 interrupt
|
||||
DMAC5_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
; HPIB DMAC interrupt
|
||||
HPIB_DMA_V: BD _handle_dmac
|
||||
NOP
|
||||
NOP
|
||||
|
||||
; EHIF interrupt to DSP
|
||||
EHIV_V: RETE
|
||||
NOP
|
||||
NOP
|
||||
NOP
|
||||
.end
|
||||
|
|
@ -119,7 +119,7 @@ void usage(void)
|
|||
"\t-add=X Rockbox generic \"add-up\" checksum format\n"
|
||||
"\t (X values: h100, h120, h140, h300, ipco, nano, ipvd, mn2g\n"
|
||||
"\t ip3g, ip4g, mini, iax5, iam5, iam3, h10, h10_5gb,\n"
|
||||
"\t tpj2, c200, e200, giga, gigs, m100, m500, d2, zvm)\n");
|
||||
"\t tpj2, c200, e200, giga, gigs, m100, m500, d2)\n");
|
||||
printf("\nNo option results in Archos standard player/recorder format.\n");
|
||||
|
||||
exit(1);
|
||||
|
|
@ -271,8 +271,6 @@ int main (int argc, char** argv)
|
|||
modelnum = 24;
|
||||
else if(!strcmp(&argv[1][5], "iam3"))
|
||||
modelnum = 25;
|
||||
else if(!strcmp(&argv[1][5], "zvm"))
|
||||
modelnum = 26;
|
||||
else {
|
||||
fprintf(stderr, "unsupported model: %s\n", &argv[1][5]);
|
||||
return 2;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,191 @@
|
|||
#!/usr/bin/python
|
||||
# __________ __ ___.
|
||||
# Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||||
# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||||
# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||||
# \/ \/ \/ \/ \/
|
||||
# $Id$
|
||||
#
|
||||
# Copyright (C) 2007 Catalin Patulea <cat@vv.carleton.ca>
|
||||
#
|
||||
# All files in this archive are subject to the GNU General Public License.
|
||||
# See the file COPYING in the source tree root for full license agreement.
|
||||
#
|
||||
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||||
# KIND, either express or implied.
|
||||
#
|
||||
import sys, os.path, array, re
|
||||
from xml.dom import Node
|
||||
from xml.dom.minidom import parse
|
||||
|
||||
|
||||
C_IDENT_RE = re.compile('^[0-9a-zA-Z_]+$')
|
||||
|
||||
|
||||
def getText(nodelist):
|
||||
rc = ""
|
||||
for node in nodelist:
|
||||
if node.nodeType == node.TEXT_NODE:
|
||||
rc = rc + node.data
|
||||
return rc
|
||||
|
||||
|
||||
def descendAll(root, tagname):
|
||||
for child in root.childNodes:
|
||||
if child.nodeType == Node.ELEMENT_NODE and child.tagName == tagname:
|
||||
yield child
|
||||
|
||||
|
||||
def descend(root, tagname):
|
||||
return descendAll(root, tagname).next()
|
||||
|
||||
|
||||
def getTagText(root, tagname):
|
||||
try:
|
||||
tag = descend(root, tagname)
|
||||
except StopIteration:
|
||||
return None
|
||||
return getText(tag.childNodes)
|
||||
|
||||
|
||||
def main():
|
||||
dom = parse(sys.stdin)
|
||||
|
||||
ofd = descend(dom, "ofd")
|
||||
object_file = descend(ofd, "object_file")
|
||||
object_file_name = descend(object_file, "name")
|
||||
|
||||
out_filepath = getText(object_file_name.childNodes)
|
||||
sys.stderr.write("*.out filename (input): %s\n" % out_filepath)
|
||||
|
||||
out_file = open(out_filepath, "rb")
|
||||
h_file = sys.stdout
|
||||
|
||||
h_file.write("""#ifndef DSP_IMAGE
|
||||
#define DSP_IMAGE
|
||||
/*
|
||||
* Automatically generated by xml2h.py from %s.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*
|
||||
*/
|
||||
""" % out_filepath)
|
||||
|
||||
# Section data and directory.
|
||||
h_directory = ["""
|
||||
static const struct dsp_section dsp_image[] = {"""]
|
||||
|
||||
ti_coff = descend(object_file, "ti_coff")
|
||||
for section in descendAll(ti_coff, "section"):
|
||||
page = int(getTagText(section, "page") or "0", 16)
|
||||
name = getTagText(section, "name")
|
||||
physical_addr = int(getTagText(section, "physical_addr"), 16)
|
||||
raw_data_size = int(getTagText(section, "raw_data_size"), 16)
|
||||
copy = getTagText(section, "copy")
|
||||
data = getTagText(section, "data")
|
||||
regular = getTagText(section, "regular")
|
||||
text = getTagText(section, "text")
|
||||
bss = getTagText(section, "bss")
|
||||
|
||||
file_offsets = descend(section, "file_offsets")
|
||||
raw_data_ptr = int(getTagText(file_offsets, "raw_data_ptr"), 16)
|
||||
|
||||
if copy:
|
||||
# Empirically, .debug* sections have this attribute set.
|
||||
sys.stderr.write(
|
||||
"%s: didn't copy debug section ('copy' attribute set)\n" %
|
||||
name)
|
||||
continue
|
||||
|
||||
if raw_data_size == 0:
|
||||
sys.stderr.write("%s: not copying empty section\n" % name)
|
||||
continue
|
||||
|
||||
if raw_data_size % 2 != 0:
|
||||
sys.stderr.write("%s: error, raw_data_size 0x%04x not a multiple "
|
||||
"of word size (2 bytes)\n" % (name, raw_data_size))
|
||||
break
|
||||
|
||||
if data or regular or text:
|
||||
sys.stderr.write("%s: placing 0x%04x words at 0x%04x from offset "
|
||||
"0x%08x\n" % (
|
||||
name, raw_data_size >> 1, physical_addr, raw_data_ptr))
|
||||
|
||||
sanitized_name = name.replace(".", "_")
|
||||
h_file.write(("static const unsigned short _section%s[] = {\n" %
|
||||
sanitized_name))
|
||||
|
||||
out_file.seek(raw_data_ptr)
|
||||
data = array.array('H')
|
||||
data.fromfile(out_file, raw_data_size >> 1)
|
||||
h_file.write("\t")
|
||||
for word in data:
|
||||
h_file.write("0x%04x, " % word)
|
||||
h_file.write("""
|
||||
};
|
||||
""")
|
||||
|
||||
h_directory.append("\t{_section%s, 0x%04x, 0x%04x}," % (
|
||||
sanitized_name, physical_addr, raw_data_size >> 1))
|
||||
|
||||
continue
|
||||
|
||||
if bss:
|
||||
sys.stderr.write("%s: bss section, 0x%04x words at 0x%04x\n" % (
|
||||
name, raw_data_size >> 1, physical_addr))
|
||||
|
||||
h_directory.append("\t{NULL /* %s */, 0x%04x, 0x%04x}," % (
|
||||
name, physical_addr, raw_data_size >> 1))
|
||||
continue
|
||||
|
||||
sys.stderr.write("%s: error, unprocessed section\n" % name)
|
||||
|
||||
h_file.write("\n")
|
||||
|
||||
h_directory.append("\t{NULL, 0, 0}")
|
||||
h_directory.append("};")
|
||||
|
||||
h_file.write("\n".join(h_directory))
|
||||
h_file.write("\n")
|
||||
|
||||
# Symbols.
|
||||
symbol_table = descend(ti_coff, "symbol_table")
|
||||
h_file.write("""
|
||||
/* Symbol table, usable with the DSP_() macro (see dsp-target.h). */
|
||||
""")
|
||||
for symbol in descendAll(symbol_table, "symbol"):
|
||||
name = getTagText(symbol, "name")
|
||||
kind = getTagText(symbol, "kind")
|
||||
value = int(getTagText(symbol, "value"), 16)
|
||||
|
||||
if kind != "defined":
|
||||
continue
|
||||
|
||||
if not C_IDENT_RE.match(name):
|
||||
continue
|
||||
|
||||
h_file.write("#define %s 0x%04x\n" % (name, value))
|
||||
|
||||
h_file.write("\n#endif\n")
|
||||
h_file.close()
|
||||
out_file.close()
|
||||
|
||||
dom.unlink()
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
Loading…
Reference in New Issue