From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/arm/mach-shark/include/mach/entry-macro.S | 35 ++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 arch/arm/mach-shark/include/mach/entry-macro.S (limited to 'arch/arm/mach-shark/include/mach/entry-macro.S') diff --git a/arch/arm/mach-shark/include/mach/entry-macro.S b/arch/arm/mach-shark/include/mach/entry-macro.S new file mode 100644 index 00000000..5901b09f --- /dev/null +++ b/arch/arm/mach-shark/include/mach/entry-macro.S @@ -0,0 +1,35 @@ +/* + * arch/arm/mach-shark/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for Shark platform + * + * 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. + */ + .macro get_irqnr_preamble, base, tmp + mov \base, #0xe0000000 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + + mov \irqstat, #0x0C + strb \irqstat, [\base, #0x20] @outb(0x0C, 0x20) /* Poll command */ + ldrb \irqnr, [\base, #0x20] @irq = inb(0x20) & 7 + and \irqstat, \irqnr, #0x80 + teq \irqstat, #0 + beq 43f + and \irqnr, \irqnr, #7 + teq \irqnr, #2 + bne 44f +43: mov \irqstat, #0x0C + strb \irqstat, [\base, #0xa0] @outb(0x0C, 0xA0) /* Poll command */ + ldrb \irqnr, [\base, #0xa0] @irq = (inb(0xA0) & 7) + 8 + and \irqstat, \irqnr, #0x80 + teq \irqstat, #0 + beq 44f + and \irqnr, \irqnr, #7 + add \irqnr, \irqnr, #8 +44: teq \irqstat, #0 + .endm + -- cgit