hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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: Anoop 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: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Anoop P A 2011-01-25 23:38:16 +05:30 committed by Ralf Baechle
parent 1685f3b158
commit 3b042d0830
1 changed files with 15 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
arch/mips/pmc-sierra/msp71xx/msp_time.c
View File

@ -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 @@
#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)
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;
} }