[GIT PULL 17/19] ARM: shmobile: marzen: Use DT for GIC
From: Simon Horman <hidden>
Date: 2013-08-07 04:28:38
Also in:
linux-sh
Subsystem:
arm port, arm/risc-v/renesas architecture, the rest · Maintainers:
Russell King, Geert Uytterhoeven, Magnus Damm, Linus Torvalds
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Current Marzen is using DT booting, and r8a7779.dtsi already has GIC settings. So, we can remove the C version of the GIC setup code, instead rely on GIC information provided by DT. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Acked-by: Magnus Damm <redacted> Signed-off-by: Simon Horman <redacted> --- arch/arm/mach-shmobile/board-marzen.c | 3 +-- arch/arm/mach-shmobile/include/mach/r8a7779.h | 1 - arch/arm/mach-shmobile/intc-r8a7779.c | 22 ++++------------------ 3 files changed, 5 insertions(+), 21 deletions(-)
diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c
index bcd07c0..f302729 100644
--- a/arch/arm/mach-shmobile/board-marzen.c
+++ b/arch/arm/mach-shmobile/board-marzen.c@@ -247,8 +247,7 @@ DT_MACHINE_START(MARZEN, "marzen") .smp = smp_ops(r8a7779_smp_ops), .map_io = r8a7779_map_io, .init_early = r8a7779_add_early_devices, - .nr_irqs = NR_IRQS_LEGACY, - .init_irq = r8a7779_init_irq, + .init_irq = r8a7779_init_irq_dt, .init_machine = marzen_init, .init_late = r8a7779_init_late, .dt_compat = marzen_boards_compat_dt,
diff --git a/arch/arm/mach-shmobile/include/mach/r8a7779.h b/arch/arm/mach-shmobile/include/mach/r8a7779.h
index fc47073..c62252f 100644
--- a/arch/arm/mach-shmobile/include/mach/r8a7779.h
+++ b/arch/arm/mach-shmobile/include/mach/r8a7779.h@@ -25,7 +25,6 @@ static inline struct r8a7779_pm_ch *to_r8a7779_ch(struct generic_pm_domain *d) } extern void r8a7779_init_delay(void); -extern void r8a7779_init_irq(void); extern void r8a7779_init_irq_extpin(int irlm); extern void r8a7779_init_irq_dt(void); extern void r8a7779_map_io(void);
diff --git a/arch/arm/mach-shmobile/intc-r8a7779.c b/arch/arm/mach-shmobile/intc-r8a7779.c
index b86dc89..8a082f0 100644
--- a/arch/arm/mach-shmobile/intc-r8a7779.c
+++ b/arch/arm/mach-shmobile/intc-r8a7779.c@@ -90,15 +90,18 @@ void __init r8a7779_init_irq_extpin(int irlm) pr_warn("r8a7779: unable to setup external irq pin mode\n"); } +#ifdef CONFIG_OF static int r8a7779_set_wake(struct irq_data *data, unsigned int on) { return 0; /* always allow wakeup */ } -static void __init r8a7779_init_irq_common(void) +void __init r8a7779_init_irq_dt(void) { gic_arch_extn.irq_set_wake = r8a7779_set_wake; + irqchip_init(); + /* route all interrupts to ARM */ __raw_writel(0xffffffff, INT2NTSR0); __raw_writel(0x3fffffff, INT2NTSR1);
@@ -109,23 +112,6 @@ static void __init r8a7779_init_irq_common(void) __raw_writel(0xfffbffdf, INT2SMSKCR2); __raw_writel(0xbffffffc, INT2SMSKCR3); __raw_writel(0x003fee3f, INT2SMSKCR4); -} - -void __init r8a7779_init_irq(void) -{ - void __iomem *gic_dist_base = IOMEM(0xf0001000); - void __iomem *gic_cpu_base = IOMEM(0xf0000100); - /* use GIC to handle interrupts */ - gic_init(0, 29, gic_dist_base, gic_cpu_base); - - r8a7779_init_irq_common(); -} - -#ifdef CONFIG_OF -void __init r8a7779_init_irq_dt(void) -{ - irqchip_init(); - r8a7779_init_irq_common(); } #endif
--
1.8.3.2