Commit 3b042d08 authored by Anoop P A's avatar Anoop P A Committed by Ralf Baechle

MIPS: MSP71xx: Set up MSP VPE1 timer.

VPE1 timer will be required for VSMP / SMTC.

[Ralf: Fixed a bunch of issues raised by checkpatch.]
Signed-off-by: default avatarAnoop P A <anoop.pa@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/2049/Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 1685f3b1
...@@ -29,6 +29,7 @@ ...@@ -29,6 +29,7 @@
#include <linux/module.h> #include <linux/module.h>
#include <linux/ptrace.h> #include <linux/ptrace.h>
#include <asm/cevt-r4k.h>
#include <asm/mipsregs.h> #include <asm/mipsregs.h>
#include <asm/time.h> #include <asm/time.h>
...@@ -36,6 +37,12 @@ ...@@ -36,6 +37,12 @@
#include <msp_int.h> #include <msp_int.h>
#include <msp_regs.h> #include <msp_regs.h>
#define get_current_vpe() \
((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE)
static struct irqaction timer_vpe1;
static int tim_installed;
void __init plat_time_init(void) void __init plat_time_init(void)
{ {
char *endp, *s; char *endp, *s;
...@@ -83,5 +90,12 @@ void __init plat_time_init(void) ...@@ -83,5 +90,12 @@ void __init plat_time_init(void)
unsigned int __cpuinit get_c0_compare_int(void) unsigned int __cpuinit get_c0_compare_int(void)
{ {
return MSP_INT_VPE0_TIMER; /* MIPS_MT modes may want timer for second VPE */
if ((get_current_vpe()) && !tim_installed) {
memcpy(&timer_vpe1, &c0_compare_irqaction, sizeof(timer_vpe1));
setup_irq(MSP_INT_VPE1_TIMER, &timer_vpe1);
tim_installed++;
}
return get_current_vpe() ? MSP_INT_VPE1_TIMER : MSP_INT_VPE0_TIMER;
} }
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