Commit 0bfa130e authored by Chris Dearman's avatar Chris Dearman Committed by Ralf Baechle
Browse files

[MIPS] Remove TLB sanitation code



It is not being used by Malta and shouldn't be needed for MIPSsim.
Signed-off-by: default avatarChris Dearman <chris@mips.com>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 0b6d497f
......@@ -58,53 +58,6 @@ static void dump_mtregisters(int vpe, int tc)
}
#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)
{
do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ);
......
......@@ -174,14 +174,6 @@ static int clock_hang_reported[NR_CPUS];
#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
*/
......
......@@ -39,9 +39,6 @@
static void __init serial_init(void);
unsigned int _isbonito = 0;
extern void __init sanitize_tlb_entries(void);
const char *get_system_type(void)
{
return "MIPSsim";
......@@ -55,9 +52,6 @@ void __init plat_mem_setup(void)
pr_info("Linux started...\n");
#ifdef CONFIG_MIPS_MT_SMP
sanitize_tlb_entries();
#endif
}
extern struct plat_smp_ops ssmtc_smp_ops;
......
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