From 5f7f6a4a0df9b43051d57fdb8ea96c083247a08f Mon Sep 17 00:00:00 2001 From: Kukjin Kim Date: Fri, 29 Jan 2010 10:12:14 +0900 Subject: ARM: S5P6442: Add Samsung S5P6442 CPU support This patch adds support for Samsung S5P6442 CPU. This patch also adds an entry for S5P6442 cpu in plat-s5p cpu table. Signed-off-by: Adityapratap Sharma Signed-off-by: Atul Dahiya Signed-off-by: Kukjin Kim Signed-off-by: Ben Dooks --- arch/arm/mach-s5p6442/include/mach/entry-macro.S | 48 ++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 arch/arm/mach-s5p6442/include/mach/entry-macro.S (limited to 'arch/arm/mach-s5p6442/include/mach/entry-macro.S') diff --git a/arch/arm/mach-s5p6442/include/mach/entry-macro.S b/arch/arm/mach-s5p6442/include/mach/entry-macro.S new file mode 100644 index 000000000000..6d574edbf1ae --- /dev/null +++ b/arch/arm/mach-s5p6442/include/mach/entry-macro.S @@ -0,0 +1,48 @@ +/* linux/arch/arm/mach-s5p6442/include/mach/entry-macro.S + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Low-level IRQ helper macros for the Samsung S5P6442 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =VA_VIC0 + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + + @ check the vic0 + mov \irqnr, # S5P_IRQ_OFFSET + 31 + ldr \irqstat, [ \base, # VIC_IRQ_STATUS ] + teq \irqstat, #0 + + @ otherwise try vic1 + addeq \tmp, \base, #(VA_VIC1 - VA_VIC0) + addeq \irqnr, \irqnr, #32 + ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ] + teqeq \irqstat, #0 + + @ otherwise try vic2 + addeq \tmp, \base, #(VA_VIC2 - VA_VIC0) + addeq \irqnr, \irqnr, #32 + ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ] + teqeq \irqstat, #0 + + clzne \irqstat, \irqstat + subne \irqnr, \irqnr, \irqstat + .endm -- cgit v1.2.3