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[MIPS] Remove TLB sanitation code

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It is not being used by Malta and shouldn't be needed for MIPSsim.
    
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Chris Dearman
2007-09-14 21:21:58 +01:00
committed by Ralf Baechle
parent 0b6d497fcb
commit 0bfa130e74
3 changed files with 0 additions and 61 deletions
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47
arch/mips/kernel/smp-mt.c
View File

@ -58,53 +58,6 @@ static void dump_mtregisters(int vpe, int tc)
} }
#endif #endif
void __init sanitize_tlb_entries(void)
{
int i, tlbsiz;
unsigned long mvpconf0, ncpu;
if (!cpu_has_mipsmt)
return;
/* Enable VPC */
set_c0_mvpcontrol(MVPCONTROL_VPC);
back_to_back_c0_hazard();
/* Disable TLB sharing */
clear_c0_mvpcontrol(MVPCONTROL_STLB);
mvpconf0 = read_c0_mvpconf0();
printk(KERN_INFO "MVPConf0 0x%lx TLBS %lx PTLBE %ld\n", mvpconf0,
(mvpconf0 & MVPCONF0_TLBS) >> MVPCONF0_TLBS_SHIFT,
(mvpconf0 & MVPCONF0_PTLBE) >> MVPCONF0_PTLBE_SHIFT);
tlbsiz = (mvpconf0 & MVPCONF0_PTLBE) >> MVPCONF0_PTLBE_SHIFT;
ncpu = ((mvpconf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT) + 1;
printk(" tlbsiz %d ncpu %ld\n", tlbsiz, ncpu);
if (tlbsiz > 0) {
/* share them out across the vpe's */
tlbsiz /= ncpu;
printk(KERN_INFO "setting Config1.MMU_size to %d\n", tlbsiz);
for (i = 0; i < ncpu; i++) {
settc(i);
if (i == 0)
write_c0_config1((read_c0_config1() & ~(0x3f << 25)) | (tlbsiz << 25));
else
write_vpe_c0_config1((read_vpe_c0_config1() & ~(0x3f << 25)) |
(tlbsiz << 25));
}
}
clear_c0_mvpcontrol(MVPCONTROL_VPC);
}
static void ipi_resched_dispatch(void) static void ipi_resched_dispatch(void)
{ {
do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ); do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ);

8
arch/mips/kernel/smtc.c
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@ -174,14 +174,6 @@ static int clock_hang_reported[NR_CPUS];
#endif /* CONFIG_SMTC_IDLE_HOOK_DEBUG */ #endif /* CONFIG_SMTC_IDLE_HOOK_DEBUG */
/* Initialize shared TLB - the should probably migrate to smtc_setup_cpus() */
void __init sanitize_tlb_entries(void)
{
printk("Deprecated sanitize_tlb_entries() invoked\n");
}
/* /*
* Configure shared TLB - VPC configuration bit must be set by caller * Configure shared TLB - VPC configuration bit must be set by caller
*/ */

6
arch/mips/mipssim/sim_setup.c
View File

@ -39,9 +39,6 @@
static void __init serial_init(void); static void __init serial_init(void);
unsigned int _isbonito = 0; unsigned int _isbonito = 0;
extern void __init sanitize_tlb_entries(void);
const char *get_system_type(void) const char *get_system_type(void)
{ {
return "MIPSsim"; return "MIPSsim";
@ -55,9 +52,6 @@ void __init plat_mem_setup(void)
pr_info("Linux started...\n"); pr_info("Linux started...\n");
#ifdef CONFIG_MIPS_MT_SMP
sanitize_tlb_entries();
#endif
} }
extern struct plat_smp_ops ssmtc_smp_ops; extern struct plat_smp_ops ssmtc_smp_ops;