In order to enable device tree boot on this machine we must first convert it to runtime-manage its irq handler, so do this.
Cc: Janos Laube <[email protected]> Cc: Paulius Zaleckas <[email protected]> Cc: Hans Ulli Kroll <[email protected]> Cc: Florian Fainelli <[email protected]> Signed-off-by: Linus Walleij <[email protected]> --- arch/arm/Kconfig | 1 + arch/arm/mach-gemini/include/mach/entry-macro.S | 33 ------------------------- arch/arm/mach-gemini/irq.c | 15 +++++++++++ 3 files changed, 16 insertions(+), 33 deletions(-) delete mode 100644 arch/arm/mach-gemini/include/mach/entry-macro.S diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 5fab553fd03a..63e61bf5aab0 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -359,6 +359,7 @@ config ARCH_GEMINI select CPU_FA526 select GENERIC_CLOCKEVENTS select GPIOLIB + select MULTI_IRQ_HANDLER help Support for the Cortina Systems Gemini family SoCs diff --git a/arch/arm/mach-gemini/include/mach/entry-macro.S b/arch/arm/mach-gemini/include/mach/entry-macro.S deleted file mode 100644 index f044e430bfa4..000000000000 --- a/arch/arm/mach-gemini/include/mach/entry-macro.S +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Low-level IRQ helper macros for Gemini platform. - * - * Copyright (C) 2001-2006 Storlink, Corp. - * Copyright (C) 2008-2009 Paulius Zaleckas <[email protected]> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ -#include <mach/hardware.h> - -#define IRQ_STATUS 0x14 - - .macro get_irqnr_preamble, base, tmp - .endm - - .macro get_irqnr_and_base, irqnr, irqstat, base, tmp - ldr \irqstat, =IO_ADDRESS(GEMINI_INTERRUPT_BASE + IRQ_STATUS) - ldr \irqnr, [\irqstat] - cmp \irqnr, #0 - beq 2313f - mov \tmp, \irqnr - mov \irqnr, #0 -2312: - tst \tmp, #1 - bne 2313f - add \irqnr, \irqnr, #1 - mov \tmp, \tmp, lsr #1 - cmp \irqnr, #31 - bcc 2312b -2313: - .endm diff --git a/arch/arm/mach-gemini/irq.c b/arch/arm/mach-gemini/irq.c index d929b3ff18fd..37d52e372456 100644 --- a/arch/arm/mach-gemini/irq.c +++ b/arch/arm/mach-gemini/irq.c @@ -17,6 +17,7 @@ #include <linux/sched.h> #include <linux/cpu.h> +#include <asm/exception.h> #include <asm/irq.h> #include <asm/mach/irq.h> #include <asm/system_misc.h> @@ -65,6 +66,18 @@ static struct irq_chip gemini_irq_chip = { .irq_unmask = gemini_unmask_irq, }; + +asmlinkage void __exception_irq_entry gemini_handle_irq(struct pt_regs *regs) +{ + int irq; + unsigned status; + + while ((status = __raw_readl(IRQ_STATUS(IO_ADDRESS(GEMINI_INTERRUPT_BASE))))) { + irq = ffs(status) - 1; + handle_domain_irq(NULL, irq, regs); + } +} + static struct resource irq_resource = { .name = "irq_handler", .start = GEMINI_INTERRUPT_BASE, @@ -102,4 +115,6 @@ void __init gemini_init_irq(void) /* Set interrupt mode */ __raw_writel(mode, IRQ_TMODE(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); __raw_writel(level, IRQ_TLEVEL(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); + + set_handle_irq(gemini_handle_irq); } -- 2.9.3 _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
