RE: [ECOS] Redboot for Assabet goes silent

[Gary Thomas <gthomas@redhat.com>]

We seem to have broken in the Assabet/GDB code in the last few days.

Try making this change, it fixed it for me.

Index: hal/arm/sa11x0/var/current/src/hal_diag.c
===================================================================
RCS file: /home/cvs/ecc/ecc/hal/arm/sa11x0/var/current/src/hal_diag.c,v
retrieving revision 1.11
diff -u -5 -p -r1.11 hal_diag.c
--- hal/arm/sa11x0/var/current/src/hal_diag.c   2000/10/26 18:39:02     1.11
+++ hal/arm/sa11x0/var/current/src/hal_diag.c   2000/11/21 15:43:24
@@ -92,10 +92,12 @@ init_channel(channel_data_t* __ch_data)
 
     // Clear sticky (writable) status bits.
     base->utsr0 = SA11X0_UART_RX_IDLE | SA11X0_UART_RX_BEGIN_OF_BREAK |
                   SA11X0_UART_RX_END_OF_BREAK;
 
+#ifdef CYGPKG_HAL_ARM_SA11X0_SA1100MM
+    // This code has problems on other SA11x0 platforms.
     if (SA11X0_UART1_BASE == (volatile unsigned long *)base) {
         cyg_uint32 pdr, afr, par;
 
         HAL_READ_UINT32(SA11X0_GPIO_PIN_DIRECTION, pdr);
         HAL_READ_UINT32(SA11X0_GPIO_ALTERNATE_FUNCTION, afr);
@@ -108,10 +110,11 @@ init_channel(channel_data_t* __ch_data)
         HAL_WRITE_UINT32(SA11X0_GPIO_ALTERNATE_FUNCTION, afr | SA11X0_GPIO_PIN_14 |
SA11X0_GPIO_PIN_15);
 
         // Pin reassignment for serial port 1.
         HAL_WRITE_UINT32(SA11X0_PPC_PIN_ASSIGNMENT, par | SA11X0_PPC_UART_PIN_REASSIGNMENT_MASK);
     }
+#endif
 
     // Set UART to 8N1 (8 data bits, no partity, 1 stop bit)
     base->utcr0 = SA11X0_UART_PARITY_DISABLED | SA11X0_UART_STOP_BITS_1 |
                   SA11X0_UART_DATA_BITS_8;
 


On 21-Nov-2000 Martin van Veen wrote:
> Hi,
> 
> since I'm not able to use Redboot via Ethernet, I'm very pleased
> that uploading data via the serial line is now included in Redboot.
> Since it is not built in in the prebuilt Redboot image (the one in
> hal/arm/sa11x0/assabet/current/images/redboot_ROM.bin) I have to
> build it myself. Building and flashing (using Jflash-linux) the
> newly created image gives no problem at all.
> 
> However, when I use minicom to attach to the board or use Insight to
> debug a program I get no reaction at all. The strange thing is that
> when I flash the prebuilt image on the board, everything works fine
> (except serial downloading :-( ). So I guess that it has something
> to do with the configuration of the serial port, but I have no clue
> at all. I built and flashed the redboot image as follows:
> 
> $ mkdir redboot
> $ cd redboot
> $ ecosconfig new assabet redboot
> $ ecosconfig import $ECOS_REPOSITORY/hal/arm/sa11x0/assabet/ \
>     current/misc/redboot_ROM.cfg
> $ ecosconfig tree
> $ make
> $ Jflash-linux install/bin/redboot.bin
> 
> Any ideas???
> 
> Thanks in advance,
> Martin van Veen.
> 
> 
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