diff options
| -rw-r--r-- | arch/arm/boot/dts/orion5x.dtsi | 19 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/board-dt.c | 15 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/irq.c | 28 |
4 files changed, 50 insertions, 14 deletions
diff --git a/arch/arm/boot/dts/orion5x.dtsi b/arch/arm/boot/dts/orion5x.dtsi index 88df8a811ad3..b4c2234fda1e 100644 --- a/arch/arm/boot/dts/orion5x.dtsi +++ b/arch/arm/boot/dts/orion5x.dtsi @@ -78,6 +78,15 @@ status = "disabled"; }; + bridge_intc: bridge-interrupt-ctrl@20110 { + compatible = "marvell,orion-bridge-intc"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0x20110 0x8>; + interrupts = <0>; + marvell,#interrupts = <4>; + }; + intc: interrupt-controller@20200 { compatible = "marvell,orion-intc"; interrupt-controller; @@ -85,9 +94,19 @@ reg = <0x20200 0x08>; }; + timer: timer@20300 { + compatible = "marvell,orion-timer"; + reg = <0x20300 0x20>; + interrupt-parent = <&bridge_intc>; + interrupts = <1>, <2>; + clocks = <&core_clk 0>; + }; + wdt: wdt@20300 { compatible = "marvell,orion-wdt"; reg = <0x20300 0x28>; + interrupt-parent = <&bridge_intc>; + interrupts = <3>; status = "okay"; }; diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig index 4f5113279352..bd65872f5e04 100644 --- a/arch/arm/mach-orion5x/Kconfig +++ b/arch/arm/mach-orion5x/Kconfig @@ -6,6 +6,8 @@ config ARCH_ORION5X_DT bool "Marvell Orion5x Flattened Device Tree" select USE_OF select ORION_CLK + select ORION_IRQCHIP + select ORION_TIMER help Say 'Y' here if you want your kernel to support the Marvell Orion5x using flattened device tree. diff --git a/arch/arm/mach-orion5x/board-dt.c b/arch/arm/mach-orion5x/board-dt.c index 34286ef16320..6dc4846519ec 100644 --- a/arch/arm/mach-orion5x/board-dt.c +++ b/arch/arm/mach-orion5x/board-dt.c @@ -17,6 +17,7 @@ #include <linux/cpu.h> #include <linux/mbus.h> #include <linux/clk-provider.h> +#include <linux/clocksource.h> #include <asm/system_misc.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -36,17 +37,6 @@ static struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = { {}, }; -static void orion5x_dt_init_early(void) -{ - orion_time_set_base(TIMER_VIRT_BASE); -} - -static void orion5x_dt_init_time(void) -{ - orion5x_timer_init(); - of_clk_init(NULL); -} - static void __init orion5x_dt_init(void) { char *dev_name; @@ -86,9 +76,6 @@ static const char *orion5x_dt_compat[] = { DT_MACHINE_START(ORION5X_DT, "Marvell Orion5x (Flattened Device Tree)") /* Maintainer: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> */ .map_io = orion5x_map_io, - .init_early = orion5x_dt_init_early, - .init_irq = orion_dt_init_irq, - .init_time = orion5x_dt_init_time, .init_machine = orion5x_dt_init, .restart = orion5x_restart, .dt_compat = orion5x_dt_compat, diff --git a/arch/arm/mach-orion5x/irq.c b/arch/arm/mach-orion5x/irq.c index 9654b0cc5892..cd4bac4d7e43 100644 --- a/arch/arm/mach-orion5x/irq.c +++ b/arch/arm/mach-orion5x/irq.c @@ -16,6 +16,7 @@ #include <mach/bridge-regs.h> #include <plat/orion-gpio.h> #include <plat/irq.h> +#include <asm/exception.h> #include "common.h" static int __initdata gpio0_irqs[4] = { @@ -25,10 +26,37 @@ static int __initdata gpio0_irqs[4] = { IRQ_ORION5X_GPIO_24_31, }; +#ifdef CONFIG_MULTI_IRQ_HANDLER +/* + * Compiling with both non-DT and DT support enabled, will + * break asm irq handler used by non-DT boards. Therefore, + * we provide a C-style irq handler even for non-DT boards, + * if MULTI_IRQ_HANDLER is set. + */ + +asmlinkage void +__exception_irq_entry orion5x_legacy_handle_irq(struct pt_regs *regs) +{ + u32 stat; + + stat = readl_relaxed(MAIN_IRQ_CAUSE); + stat &= readl_relaxed(MAIN_IRQ_MASK); + if (stat) { + unsigned int hwirq = __fls(stat); + handle_IRQ(hwirq, regs); + return; + } +} +#endif + void __init orion5x_init_irq(void) { orion_irq_init(0, MAIN_IRQ_MASK); +#ifdef CONFIG_MULTI_IRQ_HANDLER + set_handle_irq(orion5x_legacy_handle_irq); +#endif + /* * Initialize gpiolib for GPIOs 0-31. */ |