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-rw-r--r--arch/arm/mach-omap1/include/mach/entry-macro.S58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/include/mach/entry-macro.S b/arch/arm/mach-omap1/include/mach/entry-macro.S
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index 000000000000..df9060edda28
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@@ -0,0 +1,58 @@
1/*
2 * arch/arm/mach-omap1/include/mach/entry-macro.S
3 *
4 * Low-level IRQ helper macros for OMAP-based platforms
5 *
6 * Copyright (C) 2009 Texas Instruments
7 *
8 * This file is licensed under the terms of the GNU General Public
9 * License version 2. This program is licensed "as is" without any
10 * warranty of any kind, whether express or implied.
11 */
12#include <mach/hardware.h>
13#include <mach/io.h>
14#include <mach/irqs.h>
15#include <asm/hardware/gic.h>
16
17#if (defined(CONFIG_ARCH_OMAP730)||defined(CONFIG_ARCH_OMAP850)) && \
18 (defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX))
19#error "FIXME: OMAP7XX doesn't support multiple-OMAP"
20#elif defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
21#define INT_IH2_IRQ INT_7XX_IH2_IRQ
22#elif defined(CONFIG_ARCH_OMAP15XX)
23#define INT_IH2_IRQ INT_1510_IH2_IRQ
24#elif defined(CONFIG_ARCH_OMAP16XX)
25#define INT_IH2_IRQ INT_1610_IH2_IRQ
26#else
27#warning "IH2 IRQ defaulted"
28#define INT_IH2_IRQ INT_1510_IH2_IRQ
29#endif
30
31 .macro disable_fiq
32 .endm
33
34 .macro get_irqnr_preamble, base, tmp
35 .endm
36
37 .macro arch_ret_to_user, tmp1, tmp2
38 .endm
39
40 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
41 ldr \base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE)
42 ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET]
43 ldr \tmp, [\base, #IRQ_MIR_REG_OFFSET]
44 mov \irqstat, #0xffffffff
45 bic \tmp, \irqstat, \tmp
46 tst \irqnr, \tmp
47 beq 1510f
48
49 ldr \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
50 cmp \irqnr, #0
51 ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
52 cmpeq \irqnr, #INT_IH2_IRQ
53 ldreq \base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE)
54 ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
55 addeqs \irqnr, \irqnr, #32
561510:
57 .endm
58