Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

MIPS: CMP: Move gcmp_probe to before the SMP ops

Browse source 
This is to move the gcmp_probe call to before the use of and selection of
the smp_ops functions. This allows malta with 1004K to work.

Signed-off-by: Tim Anderson <tanderson@mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Tim Anderson 2009-06-17 16:25:18 -07:00 committed by Ralf Baechle
parent 0365070f05
commit 47b178bb69
3 changed files with 16 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/mips/include/asm/gcmpregs.h
View file

@ -114,4 +114,6 @@
#define GCMP_CCB_DINTGROUP_OFS 0x0030 /* DINT Group Participate */
#define GCMP_CCB_DBGGROUP_OFS 0x0100 /* DebugBreak Group */
extern int __init gcmp_probe(unsigned long, unsigned long);
#endif /* _ASM_GCMPREGS_H */

14
arch/mips/mti-malta/malta-init.c
View file

@ -30,6 +30,7 @@
#include <asm/cacheflush.h>
#include <asm/traps.h>
#include <asm/gcmpregs.h>
#include <asm/mips-boards/prom.h>
#include <asm/mips-boards/generic.h>
#include <asm/mips-boards/bonito64.h>
@ -192,6 +193,8 @@ extern struct plat_smp_ops msmtc_smp_ops;
void __init prom_init(void)
{
int result;
prom_argc = fw_arg0;
_prom_argv = (int *) fw_arg1;
_prom_envp = (int *) fw_arg2;
@ -358,12 +361,21 @@ void __init prom_init(void)
#ifdef CONFIG_SERIAL_8250_CONSOLE
console_config();
#endif
/* Early detection of CMP support */
result = gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ);
#ifdef CONFIG_MIPS_CMP
register_smp_ops(&cmp_smp_ops);
if (result)
register_smp_ops(&cmp_smp_ops);
#endif
#ifdef CONFIG_MIPS_MT_SMP
#ifdef CONFIG_MIPS_CMP
if (!result)
register_smp_ops(&vsmp_smp_ops);
#else
register_smp_ops(&vsmp_smp_ops);
#endif
#endif
#ifdef CONFIG_MIPS_MT_SMTC
register_smp_ops(&msmtc_smp_ops);
#endif

5
arch/mips/mti-malta/malta-int.c
View file

@ -409,7 +409,7 @@ static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = {
/*
* GCMP needs to be detected before any SMP initialisation
*/
static int __init gcmp_probe(unsigned long addr, unsigned long size)
int __init gcmp_probe(unsigned long addr, unsigned long size)
{
if (gcmp_present >= 0)
return gcmp_present;
@ -449,14 +449,11 @@ static void __init fill_ipi_map(void)
void __init arch_init_irq(void)
{
int gic_present, gcmp_present;
init_i8259_irqs();
if (!cpu_has_veic)
mips_cpu_irq_init();
gcmp_present = gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ);
if (gcmp_present) {
GCMPGCB(GICBA) = GIC_BASE_ADDR | GCMP_GCB_GICBA_EN_MSK;
gic_present = 1;