RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

2005-09-16 richard.campbell@OARCorp.com

Browse Source 
* startup/bspstart.c: Rewrote get_eumbbar() in C. Function was written
	in inline assembly and containined a register direction error.
This commit is contained in:
Richard Campbell
2005-09-16 19:28:46 +00:00
parent 4e6948474c
commit 4820d952e9
2 changed files with 9 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
c/src/lib/libbsp/powerpc/shared/ChangeLog
View File

@@ -1,3 +1,8 @@
2005-09-16 richard.campbell@OARCorp.com
* startup/bspstart.c: Rewrote get_eumbbar() in C. Function was written
in inline assembly and containined a register direction error.
2005-07-28 Eric Norum <norume@aps.anl.gov>
* shared/clock/p_clock.c: Changes provided by Phillip Sorensen

20
c/src/lib/libbsp/powerpc/shared/startup/bspstart.c
View File

@@ -218,21 +218,8 @@ unsigned int EUMBBAR;
* Processor Address Map B (CHRP).
*/
unsigned int get_eumbbar() {
register int a, e;
asm volatile( "lis %0,0xfec0; ori %0,%0,0x0000": "=r" (a) );
asm volatile("sync");
asm volatile("lis %0,0x8000; ori %0,%0,0x0078": "=r"(e) );
asm volatile("stwbrx %0,0x0,%1": "=r"(e): "r"(a));
asm volatile("sync");
asm volatile("lis %0,0xfee0; ori %0,%0,0x0000": "=r" (a) );
asm volatile("sync");
asm volatile("lwbrx %0,0x0,%1": "=r" (e): "r" (a));
asm volatile("isync");
return e;
out_le32( (volatile unsigned32*)0xfec00000, 0x80000078 );
return in_le32( (volatile unsigned32*)0xfee00000 );
}
#endif
@@ -399,8 +386,8 @@ void bsp_start( void )
#ifdef SHOW_MORE_INIT_SETTINGS
printk("Going to start PCI buses scanning and initialization\n");
#endif
pci_initialize();
pci_initialize();
{
const struct _int_map *bspmap = motorolaIntMap(currentBoard);
if( bspmap ) {
@@ -518,6 +505,7 @@ void bsp_start( void )
#ifdef SHOW_MORE_INIT_SETTINGS
printk("Going to initialize VME bridge\n");
#endif
/*
* VME initialization is in a separate file so apps which don't use VME or
* want a different configuration may link against a customized routine.