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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2021-06-18 06:45:53 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-06-21 14:15:58 +0300 |
| commit | aa9c5adf2f61da39c92280d9336e091852e292ff (patch) | |
| tree | 68ec33035c8024e57c2b1ea64e7612a7b9721f09 /arch/powerpc/platforms/microwatt | |
| parent | 0d0f9e5f2fa7aacf22892078a1065fa5d0ce941b (diff) | |
| download | linux-aa9c5adf2f61da39c92280d9336e091852e292ff.tar.xz | |
powerpc/xics: Add a native ICS backend for microwatt
This is a simple native ICS backend that matches the layout of
the Microwatt implementation of ICS.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org>
[mpe: Add empty ics_native_init() to unbreak non-microwatt builds]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
fixup-ics
Link: https://lore.kernel.org/r/YMwW8cxrwB2W5EUN@thinks.paulus.ozlabs.org
Diffstat (limited to 'arch/powerpc/platforms/microwatt')
| -rw-r--r-- | arch/powerpc/platforms/microwatt/Kconfig | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/microwatt/setup.c | 8 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/microwatt/Kconfig b/arch/powerpc/platforms/microwatt/Kconfig index 3be01e78ce57..b52c869c0eb8 100644 --- a/arch/powerpc/platforms/microwatt/Kconfig +++ b/arch/powerpc/platforms/microwatt/Kconfig @@ -3,6 +3,8 @@ config PPC_MICROWATT depends on PPC_BOOK3S_64 && !SMP bool "Microwatt SoC platform" select PPC_XICS + select PPC_ICS_NATIVE + select PPC_ICP_NATIVE select PPC_NATIVE help This option enables support for FPGA-based Microwatt implementations. diff --git a/arch/powerpc/platforms/microwatt/setup.c b/arch/powerpc/platforms/microwatt/setup.c index 5af4adf881bc..1c1b7791fa57 100644 --- a/arch/powerpc/platforms/microwatt/setup.c +++ b/arch/powerpc/platforms/microwatt/setup.c @@ -10,8 +10,15 @@ #include <linux/init.h> #include <linux/of.h> #include <linux/of_platform.h> + #include <asm/machdep.h> #include <asm/time.h> +#include <asm/xics.h> + +static void __init microwatt_init_IRQ(void) +{ + xics_init(); +} static int __init microwatt_probe(void) { @@ -27,5 +34,6 @@ machine_arch_initcall(microwatt, microwatt_populate); define_machine(microwatt) { .name = "microwatt", .probe = microwatt_probe, + .init_IRQ = microwatt_init_IRQ, .calibrate_decr = generic_calibrate_decr, }; |