[PATCH] ARM: shmobile: r8a7791 Architected timer support
Magnus Damm
magnus.damm at gmail.com
Wed Sep 11 20:42:28 EDT 2013
From: Magnus Damm <damm at opensource.se>
Enable the ARM architected timer included in the CA15 cluster.
Also make use of the shared R-Car Gen2 code that initializes
the arch timer frequency based on the MD pins.
Signed-off-by: Magnus Damm <damm at opensource.se>
---
Written against renesas-devel-20130906 and
[PATCH] ARM: shmobile: Break out R-Car Gen2 setup code
arch/arm/boot/dts/r8a7791.dtsi | 8 ++++++++
arch/arm/mach-shmobile/Makefile | 2 +-
arch/arm/mach-shmobile/board-koelsch.c | 1 +
arch/arm/mach-shmobile/include/mach/r8a7791.h | 2 ++
arch/arm/mach-shmobile/setup-r8a7791.c | 1 +
5 files changed, 13 insertions(+), 1 deletion(-)
--- 0003/arch/arm/boot/dts/r8a7791.dtsi
+++ work/arch/arm/boot/dts/r8a7791.dtsi 2013-09-12 09:12:16.000000000 +0900
@@ -39,6 +39,14 @@
interrupts = <1 9 0xf04>;
};
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupts = <1 13 0xf08>,
+ <1 14 0xf08>,
+ <1 11 0xf08>,
+ <1 10 0xf08>;
+ };
+
irqc0: interrupt-controller at e61c0000 {
compatible = "renesas,irqc";
#interrupt-cells = <2>;
--- 0002/arch/arm/mach-shmobile/Makefile
+++ work/arch/arm/mach-shmobile/Makefile 2013-09-12 09:10:42.000000000 +0900
@@ -15,7 +15,7 @@ obj-$(CONFIG_ARCH_R8A7740) += setup-r8a7
obj-$(CONFIG_ARCH_R8A7778) += setup-r8a7778.o
obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o
obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o setup-rcar-gen2.o
-obj-$(CONFIG_ARCH_R8A7791) += setup-r8a7791.o
+obj-$(CONFIG_ARCH_R8A7791) += setup-r8a7791.o setup-rcar-gen2.o
obj-$(CONFIG_ARCH_EMEV2) += setup-emev2.o
# Clock objects
--- 0003/arch/arm/mach-shmobile/board-koelsch.c
+++ work/arch/arm/mach-shmobile/board-koelsch.c 2013-09-12 09:10:05.000000000 +0900
@@ -39,6 +39,7 @@ static const char * const koelsch_boards
DT_MACHINE_START(KOELSCH_DT, "koelsch")
.init_early = r8a7791_init_early,
+ .init_time = rcar_gen2_timer_init,
.init_machine = koelsch_add_standard_devices,
.dt_compat = koelsch_boards_compat_dt,
MACHINE_END
--- 0003/arch/arm/mach-shmobile/include/mach/r8a7791.h
+++ work/arch/arm/mach-shmobile/include/mach/r8a7791.h 2013-09-12 09:09:22.000000000 +0900
@@ -1,6 +1,8 @@
#ifndef __ASM_R8A7791_H__
#define __ASM_R8A7791_H__
+#include <mach/rcar-gen2.h>
+
void r8a7791_add_standard_devices(void);
void r8a7791_add_dt_devices(void);
void r8a7791_clock_init(void);
--- 0003/arch/arm/mach-shmobile/setup-r8a7791.c
+++ work/arch/arm/mach-shmobile/setup-r8a7791.c 2013-09-12 09:10:20.000000000 +0900
@@ -176,6 +176,7 @@ static const char *r8a7791_boards_compat
DT_MACHINE_START(R8A7791_DT, "Generic R8A7791 (Flattened Device Tree)")
.init_early = r8a7791_init_early,
+ .init_time = rcar_gen2_timer_init,
.dt_compat = r8a7791_boards_compat_dt,
MACHINE_END
#endif /* CONFIG_USE_OF */
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