RE: [ECOS] problem getting gdb talking to Cirrus Logic 7312 dev board

["Adam Bezanson" <bezanson at netaudiotech dot com>]

if you look at that file (redboot_linux_exec.c) you'll
notice you need to define CYGARC_PHYSICAL_ADDRESS, otherwise the #error is
hit.
I've done this by adding a MACRO to my plf_io.h file
in edb7xxx/current/include. This is defining how to translate between
Logical addresses (MMU mapped by Redboot) vs. Physical addresses.

like so:

#include <cyg/hal/hal_edb7xxx.h>
#define DRAM_PA			0xC0000000
#define DRAM_LA_START		0x00000000
#define DRAM_LA_END		0x01000000

#define CYGARC_PHYSICAL_ADDRESS(_x_)   			\
({ CYG_ADDRWORD p = (CYG_ADDRWORD)(_x_);		\
	if ( p >= DRAM_LA_START && p < DRAM_LA_END){	\
		p = (DRAM_PA + p);		\
		if (p > 0xC0800000)	\
			p += 0x00800000;		\
	}						\
	p;						\
})
 #endif // CYGONCE_HAL_ARM_EDB7XXX_PLF_IO_H
 // EOF plf_io.h

-----Original Message-----
From: ecos-discuss-owner@sources.redhat.com
[mailto:ecos-discuss-owner@sources.redhat.com]On Behalf Of Yin Bao
Sent: Tuesday, November 05, 2002 4:41 PM
To: 'Adam Bezanson'; ecos-discuss@sources.redhat.com
Subject: RE: [ECOS] problem getting gdb talking to Cirrus Logic 7312 dev
board



Thanks, tried to follow the exact steps you recommended and
failed on the "make":

arm-elf-gcc -c  -I/ecos-c/portecos/build_redboot/install/include
-I/ecos-c/ecos/
packages/hal/arm/arch/current
-I/ecos-c/ecos/packages/hal/arm/arch/current/src -
I/ecos-c/ecos/packages/hal/arm/arch/current/tests -I.
-I/ecos-c/ecos/packages/ha
l/arm/arch/current/src/ -mcpu=arm7tdmi -Wall -Wpointer-arith
-Wstrict-prototypes
 -Winline -Wundef -Woverloaded-virtual -g -O2 -ffunction-sections
-fdata-section
s -fno-rtti -fno-exceptions -fvtable-gc -finit-priority
-Wp,-MD,src/redboot_linu
x_exec.tmp -o src/hal_arm_arch_redboot_linux_exec.o
/ecos-c/ecos/packages/hal/ar
m/arch/current/src/redboot_linux_exec.c
/ecos-c/ecos/packages/hal/arm/arch/current/src/redboot_linux_exec.c:75:
#error
make[1]: *** [src/redboot_linux_exec.o.d] Error 1
make[1]: Leaving directory
`/cygdrive/c/portecos/build_redboot/hal/arm/arch/curr
ent'
make: *** [build] Error 2

Any ideas? ecosconfig is built from source based on 10/28/2002 CVS
snapshot, also tried to do it from GUI config tool (2.11) and
got the same error. Thankx!

Yin


> -----Original Message-----
> From: ecos-discuss-owner@sources.redhat.com
> [mailto:ecos-discuss-owner@sources.redhat.com] On Behalf Of
> Adam Bezanson
> Sent: Tuesday, November 05, 2002 3:48 PM
> To: Yin Bao; ecos-discuss@sources.redhat.com
> Subject: RE: [ECOS] problem getting gdb talking to Cirrus
> Logic 7312 dev board
>
>
> I've followed the section, rebuilding redboot for my 7312
> eval board. This is in the redboot users guide chapter 3.
>
> so go get the latest ecosconfig program and do the following in a new
> directory:
> NOTE: you will need to set up the ECOS_REPOSITORY environment
> variable to point to where the ecos/redboot source tree is.
>
> 1) ecosconfig new edb7xxx redboot
> 2) ecosconfig import <path to ecos
> source>/packages/hal/arm/edb7xxx/current/misc/edb7312_redboot_ROM.ecm
> 3) ecosconfig tree
> 4) make
>
> Then in the install/bin directory, you will have a
> redboot.bin file. Download this to the eval card with the
> utility from Cirrus.
>
> Also, you must build this with a gcc cross compiler for arm-elf.
>
> Good Luck,
> Adam
>
> -----Original Message-----
> From: ecos-discuss-owner@sources.redhat.com
> [mailto:ecos-discuss-owner@sources.redhat.com]On Behalf Of Yin Bao
> Sent: Tuesday, November 05, 2002 3:33 PM
> To: ecos-discuss@sources.redhat.com
> Subject: [ECOS] problem getting gdb talking to Cirrus Logic
> 7312 dev board
>
>
>
> Got the following from gdb:
>
> (gdb) target remote COM1
> Remote debugging using COM1
> Ignoring packet error, continuing...
> Ignoring packet error, continuing...
> Ignoring packet error, continuing...
> Couldn't establish connection to remote target
> Malformed response to offset query, timeout
>
> I am following the instructions from 'Getting started
> with ecos' which has instructions for Cirrus Logic 7212.
> I built the gdb_module.img and downloaded onto the
> board though I did get a conflict which I chose
> "continue" with all proposed solutions (bad idea?)
>
> Then, I tried to download the redboot_ROMRAM.bin that came
> with the package onto the board and it came up and crashed
> shortly (complained about eth interface at startup which mac
> address not set, probably not ecos problem). Also tried the
> redboot_RAM version and got the same error as above.
>
> Which way should I go? Is gdb_module all I need or do I need
> redboot? Eventually I will need to debug my own hardware
> instead of CirrusLogic dev board (but the same processor), do
> I need redboot at that time?
>
> I have ecos of 10-28-2002 snapshot from ecoscentric,
> gdb 5.2.1, download.exe is provided by Cirrus Logic
> as part of 7312 dev. kit/board. Currently all things
> running from Windows.
>
> Thanks in advance for any help!
>
> Yin
>
>
>
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