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2007-12-11 Joel Sherrill <joel.sherrill@OARcorp.com>

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* README, include/bsp.h, startup/bspstart.c: Eliminate copies of the
	Configuration Table. Use the RTEMS provided accessor macros to obtain
	configuration fields.
This commit is contained in:
Joel Sherrill
2007-12-11 15:46:53 +00:00
parent f6821c3efb
commit d11d1d2aa8
12 changed files with 55 additions and 73 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
c/src/lib/libbsp/powerpc/gen405/ChangeLog
View File

@@ -1,3 +1,9 @@
2007-12-11 Joel Sherrill <joel.sherrill@OARcorp.com>
* README, include/bsp.h, startup/bspstart.c: Eliminate copies of the
Configuration Table. Use the RTEMS provided accessor macros to obtain
configuration fields.
2007-12-04 Joel Sherrill <joel.sherrill@OARcorp.com>
* include/bsp.h, startup/bspstart.c: Move interrupt_stack_size field

21
c/src/lib/libbsp/powerpc/gen405/README
View File

@@ -44,9 +44,9 @@ Notes
Board description
-----------------
clock rate: 234 MHz
ROM: 16MByte FLASH
RAM: 64MByte DRAM
clock rate:234 MHz
ROM: 16 MByte FLASH
RAM: 64 MByte DRAM
gen405 only supports single processor operations.
@@ -60,20 +60,19 @@ For adapting this BSP to other boards, the following files should be
modified:
- c/src/lib/libbsp/powerpc/gen405/startup/linkcmds
for the memory layout required
for the memory layout required
- c/src/lib/libbsp/powerpc/gen405/startup/bspstart.c
for adaption of BSP_Configuration. here you can select
the clock source for the timers and the serial interface
(system clock or external clock pin), the clock rates, initial
baud rate and other stuff
Here you can select the clock source for the timers and the
serial interface (system clock or external clock pin), the clock
rates, initial baud rate and other stuff
- c/src/lib/libbsp/powerpc/gen405/include/bsp.h
some BSP-related constants
some BSP-related constants
The actual drivers are placed in
- c/src/lib/libcpu/powerpc/ppc403/*
well, they should be generic, so there _should_ be no reason
to mess around there (but who knows...)
well, they should be generic, so there _should_ be no reason
to mess around there (but who knows...)

2
c/src/lib/libbsp/powerpc/gen405/include/bsp.h
View File

@@ -67,8 +67,6 @@ extern "C" {
/* miscellaneous stuff assumed to exist */
extern rtems_configuration_table BSP_Configuration; /* owned by BSP */
/*
* Device Driver Table Entries
*/

12
c/src/lib/libbsp/powerpc/gen405/startup/bspstart.c
View File

@@ -64,14 +64,6 @@
#include <rtems/libcsupport.h>
#include <ictrl.h>
/*
* The original table from the application and our copy of it with
* some changes.
*/
extern rtems_configuration_table Configuration;
rtems_configuration_table BSP_Configuration;
char *rtems_progname;
void *bsp_ram_end = (void *)RAM_END; /* first addr behind avail. ram area */
/*
@@ -175,8 +167,8 @@ void bsp_start( void )
-remove RAM_END from bsp.h, this cannot be valid...
or must be a function call
*/
BSP_Configuration.work_space_start = (void *)
((char *)(bsp_ram_end)) - BSP_Configuration.work_space_size;
Configuration.work_space_start = (void *)
((char *)(bsp_ram_end)) - rtems_configuration_get_work_space_size();
/*
* initialize the device driver parameters

6
c/src/lib/libbsp/powerpc/helas403/ChangeLog
View File

@@ -1,3 +1,9 @@
2007-12-11 Joel Sherrill <joel.sherrill@OARcorp.com>
* README, include/bsp.h, startup/bspstart.c: Eliminate copies of the
Configuration Table. Use the RTEMS provided accessor macros to obtain
configuration fields.
2007-12-04 Joel Sherrill <joel.sherrill@OARcorp.com>
* include/bsp.h, startup/bspstart.c: Move interrupt_stack_size field

35
c/src/lib/libbsp/powerpc/helas403/README
View File

@@ -45,11 +45,11 @@ Notes
Board description
-----------------
clock rate: 25 MHz
bus width: 8-bit PROM, 32-bit DRAM
ROM: Up to 512KByte (Am29F040), 90 nsec chip select 0
RAM: 4 to 32 MByte DRAM SIMM (autodetect), 70 nsec,
no parity, at CS7 or CS6+CS7 (for two-bank-SIMMs)
clock rate: 25 MHz
bus width: 8-bit PROM, 32-bit DRAM
ROM: Up to 512KByte (Am29F040), 90 nsec chip select 0
RAM: 4 to 32 MByte DRAM SIMM (autodetect), 70 nsec,
no parity, at CS7 or CS6+CS7 (for two-bank-SIMMs)
helas403 only supports single processor operations.
@@ -62,8 +62,8 @@ system. The rough features of this board are described above.
This BSP contains files for two startup methods:
- Direct start from Flash after powerup (with code run out of flash):
This is the default configuration, it uses the files
flashentry/flashentry.s
startup/linkcmds
flashentry/flashentry.s
startup/linkcmds
Please note, that this configuration is good to startup the system,
but it will not gain maximum performance due to slow Flash access (8
@@ -71,8 +71,8 @@ bit wide only)
- Start after software download into DRAM:
This configuration will use:
dlentry/dlentry.s
startup/linkcmds.dl
dlentry/dlentry.s
startup/linkcmds.dl
If you want to use the download configuration, it is sufficient to
rename the file "startup/linkcmds.dl" to "startup/linkcmds", it will
@@ -84,23 +84,22 @@ For adapting this BSP to other boards, the following files should be
modified:
- c/src/lib/libbsp/powerpc/helas403/flashentry/flashentry.s
for the memory controller configuration and other basic stuff
for the memory controller configuration and other basic stuff
- c/src/lib/libbsp/powerpc/helas403/startup/linkcmds[.dl]
for the memory layout required
for the memory layout required
- c/src/lib/libbsp/powerpc/helas403/startup/bspstart.c
for adaption of BSP_Configuration. here you can select
the clock source for the timers and the serial interface
(system clock or external clock pin), the clock rates, initial
baud rate and other stuff
Here you can select the clock source for the timers and the serial
interface (system clock or external clock pin), the clock rates,
initial baud rate and other stuff
- c/src/lib/libbsp/powerpc/helas403/include/bsp.h
some BSP-related constants
some BSP-related constants
The actual drivers are placed in
- c/src/lib/libcpu/powerpc/ppc403/*
well, they should be generic, so there _should_ be no reason
to mess around there (but who knows...)
well, they should be generic, so there _should_ be no reason
to mess around there (but who knows...)

2
c/src/lib/libbsp/powerpc/helas403/include/bsp.h
View File

@@ -64,8 +64,6 @@ extern "C" {
/* miscellaneous stuff assumed to exist */
extern rtems_configuration_table BSP_Configuration; /* owned by BSP */
/*
* Device Driver Table Entries
*/

12
c/src/lib/libbsp/powerpc/helas403/startup/bspstart.c
View File

@@ -62,14 +62,6 @@
#include <rtems/libcsupport.h>
#include <ictrl.h>
/*
* The original table from the application and our copy of it with
* some changes.
*/
extern rtems_configuration_table Configuration;
rtems_configuration_table BSP_Configuration;
char *rtems_progname;
void *bsp_ram_end = (void *)RAM_END; /* first addr behind avail. ram area */
/*
@@ -165,8 +157,8 @@ void bsp_start( void )
-remove RAM_END from bsp.h, this cannot be valid...
or must be a function call
*/
BSP_Configuration.work_space_start = (void *)
((char *)(bsp_ram_end)) - BSP_Configuration.work_space_size;
Configuration.work_space_start = (void *)
((char *)(bsp_ram_end)) - rtems_configuration_get_work_space_size();
/*
* initialize the device driver parameters

6
c/src/lib/libbsp/powerpc/virtex/ChangeLog
View File

@@ -1,3 +1,9 @@
2007-12-11 Joel Sherrill <joel.sherrill@OARcorp.com>
* README, include/bsp.h, startup/bspstart.c: Eliminate copies of the
Configuration Table. Use the RTEMS provided accessor macros to obtain
configuration fields.
2007-12-10 Till Straumann <strauman@slac.stanford.edu>
* irq/irq_init.c:

7
c/src/lib/libbsp/powerpc/virtex/README
View File

@@ -76,10 +76,9 @@ modified:
for the memory layout required
- c/src/lib/libbsp/powerpc/virtex/startup/bspstart.c
for adaption of BSP_Configuration. here you can select
the clock source for the timers and the serial interface
(system clock or external clock pin), the clock rates, initial
baud rate and other stuff
Here you can select the clock source for the timers and the
serial interface (system clock or external clock pin), the clock
rates, initial baud rate and other stuff
- c/src/lib/libbsp/powerpc/virtex/include/bsp.h
some BSP-related constants

3
c/src/lib/libbsp/powerpc/virtex/include/bsp.h
View File

@@ -72,9 +72,6 @@ extern uint32_t _top_of_ram;
/* miscellaneous stuff assumed to exist */
extern rtems_configuration_table BSP_Configuration; /* owned by BSP */
/* Network Defines */
#if 1 /* EB/doe changes */
#define RTEMS_BSP_NETWORK_DRIVER_NAME "eth0"

16
c/src/lib/libbsp/powerpc/virtex/startup/bspstart.c
View File

@@ -73,16 +73,6 @@ SPR_RW(SPRG1)
#include RTEMS_XPARAMETERS_H
#include <stdio.h>
/*
* The original table from the application and our copy of it with
* some changes.
*/
extern rtems_configuration_table Configuration;
rtems_configuration_table BSP_Configuration;
char *rtems_progname;
uint32_t _heap_start;
uint32_t _heap_end;
uint32_t _top_of_ram;
@@ -150,8 +140,8 @@ void bsp_pretasking_hook(void)
/* round up from the top of workspace to next 64k boundary, get
* default heapsize from linker script */
heap_start = (((uint32_t)BSP_Configuration.work_space_start +
BSP_Configuration.work_space_size) + 0x18000) & 0xffff0000;
heap_start = (((uint32_t)Configuration.work_space_start +
rtems_configuration_get_work_space_size()) + 0x18000) & 0xffff0000;
heap_end = _heap_start + (uint32_t)&_HeapSize;
@@ -254,7 +244,7 @@ void bsp_start( void )
extern int _end;
/* round _end up to next 64k boundary for start of workspace */
BSP_Configuration.work_space_start = (void *)((((uint32_t)&_end) + 0x18000) & 0xffff0000);
Configuration.work_space_start = (void *)((((uint32_t)&_end) + 0x18000) & 0xffff0000);
}
}