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| author | Jan Kiszka <jan.kiszka@siemens.com> | 2017-11-27 09:11:48 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-01-14 21:11:55 +0100 |
| commit | 87e65d05bb0a18e00655a58159790bc8d38e219e (patch) | |
| tree | c18d6ffbc972e2de1017efcdf5c57fdef952bdb4 /arch/x86/kernel | |
| parent | 11c8dc419bbc7b5acef812043feefc53c45ef558 (diff) | |
| download | linux-87e65d05bb0a18e00655a58159790bc8d38e219e.tar.gz | |
x86/jailhouse: Enable PMTIMER
Jailhouse exposes the PMTIMER as only reference clock to all cells. Pick up its address from the setup data. Allow to enable the Linux support of it by relaxing its strict dependency on ACPI. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Cc: jailhouse-dev@googlegroups.com Link: https://lkml.kernel.org/r/6d5c3fadd801eb3fba9510e2d3db14a9c404a1a0.1511770314.git.jan.kiszka@siemens.com
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/jailhouse.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/jailhouse.c b/arch/x86/kernel/jailhouse.c index 57f49963d8dc..21c107770d67 100644 --- a/arch/x86/kernel/jailhouse.c +++ b/arch/x86/kernel/jailhouse.c @@ -8,6 +8,7 @@ * Jan Kiszka <jan.kiszka@siemens.com> */ +#include <linux/acpi_pmtmr.h> #include <linux/kernel.h> #include <asm/apic.h> #include <asm/cpu.h> @@ -91,6 +92,9 @@ static void __init jailhouse_init_platform(void) if (setup_data.compatible_version > JAILHOUSE_SETUP_REQUIRED_VERSION) panic("Jailhouse: Unsupported setup data structure"); + + pmtmr_ioport = setup_data.pm_timer_address; + pr_debug("Jailhouse: PM-Timer IO Port: %#x\n", pmtmr_ioport); } bool jailhouse_paravirt(void) |