diff options
Diffstat (limited to 'arch/arm/mach-shmobile/entry-intc.S')
-rw-r--r-- | arch/arm/mach-shmobile/entry-intc.S | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/arm/mach-shmobile/entry-intc.S b/arch/arm/mach-shmobile/entry-intc.S deleted file mode 100644 index 1a1c00ca39a2..000000000000 --- a/arch/arm/mach-shmobile/entry-intc.S +++ /dev/null @@ -1,54 +0,0 @@ -/* - * ARM Interrupt demux handler using INTC - * - * Copyright (C) 2010 Magnus Damm - * Copyright (C) 2008 Renesas Solutions Corp. - * - * 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 <asm/entry-macro-multi.S> - -#define INTCA_BASE 0xe6980000 -#define INTFLGA_OFFS 0x00000018 /* accept pending interrupt */ -#define INTEVTA_OFFS 0x00000020 /* vector number of accepted interrupt */ -#define INTLVLA_OFFS 0x00000030 /* priority level of accepted interrupt */ -#define INTLVLB_OFFS 0x00000034 /* previous priority level */ - - .macro get_irqnr_preamble, base, tmp - ldr \base, =INTCA_BASE - .endm - - .macro get_irqnr_and_base, irqnr, irqstat, base, tmp - /* The single INTFLGA read access below results in the following: - * - * 1. INTLVLB is updated with old priority value from INTLVLA - * 2. Highest priority interrupt is accepted - * 3. INTLVLA is updated to contain priority of accepted interrupt - * 4. Accepted interrupt vector is stored in INTFLGA and INTEVTA - */ - ldr \irqnr, [\base, #INTFLGA_OFFS] - - /* Restore INTLVLA with the value saved in INTLVLB. - * This is required to support interrupt priorities properly. - */ - ldrb \tmp, [\base, #INTLVLB_OFFS] - strb \tmp, [\base, #INTLVLA_OFFS] - - /* Handle invalid vector number case */ - cmp \irqnr, #0 - beq 1000f - - /* Convert vector to irq number, same as the evt2irq() macro */ - lsr \irqnr, \irqnr, #0x5 - subs \irqnr, \irqnr, #16 - -1000: - .endm - - .macro test_for_ipi, irqnr, irqstat, base, tmp - .endm - - arch_irq_handler shmobile_handle_irq_intc |