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authorTony Lindgren <tony@atomide.com>2009-10-19 20:26:19 -0400
committerTony Lindgren <tony@atomide.com>2009-10-19 20:26:19 -0400
commitc97c686467420f6765c7bc5bdae2b2aca141068b (patch)
treeb5d74b16770744de0b2fa918f1643d0a8c0db8d2 /arch/arm/plat-omap/include/mach
parentaca59b8922ad32e0555f78f99bcb31b5e24abe36 (diff)
omap: headers: Split entry-macro.S for mach-omap1 and mach-omap2
Split entry-macro.S for mach-omap1 and mach-omap2 Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/plat-omap/include/mach')
-rw-r--r--arch/arm/plat-omap/include/mach/entry-macro.S174
1 files changed, 0 insertions, 174 deletions
diff --git a/arch/arm/plat-omap/include/mach/entry-macro.S b/arch/arm/plat-omap/include/mach/entry-macro.S
deleted file mode 100644
index 2aea5665f58f..000000000000
--- a/arch/arm/plat-omap/include/mach/entry-macro.S
+++ /dev/null
@@ -1,174 +0,0 @@
1/*
2 * arch/arm/plat-omap/include/mach/entry-macro.S
3 *
4 * Low-level IRQ helper macros for OMAP-based platforms
5 *
6 * Copyright (C) 2009 Texas Instruments
7 * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
8 *
9 * This file is licensed under the terms of the GNU General Public
10 * License version 2. This program is licensed "as is" without any
11 * warranty of any kind, whether express or implied.
12 */
13#include <mach/hardware.h>
14#include <mach/io.h>
15#include <mach/irqs.h>
16#include <asm/hardware/gic.h>
17
18#if defined(CONFIG_ARCH_OMAP1)
19
20#if (defined(CONFIG_ARCH_OMAP730)||defined(CONFIG_ARCH_OMAP850)) && \
21 (defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX))
22#error "FIXME: OMAP7XX doesn't support multiple-OMAP"
23#elif defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
24#define INT_IH2_IRQ INT_7XX_IH2_IRQ
25#elif defined(CONFIG_ARCH_OMAP15XX)
26#define INT_IH2_IRQ INT_1510_IH2_IRQ
27#elif defined(CONFIG_ARCH_OMAP16XX)
28#define INT_IH2_IRQ INT_1610_IH2_IRQ
29#else
30#warning "IH2 IRQ defaulted"
31#define INT_IH2_IRQ INT_1510_IH2_IRQ
32#endif
33
34 .macro disable_fiq
35 .endm
36
37 .macro get_irqnr_preamble, base, tmp
38 .endm
39
40 .macro arch_ret_to_user, tmp1, tmp2
41 .endm
42
43 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
44 ldr \base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE)
45 ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET]
46 ldr \tmp, [\base, #IRQ_MIR_REG_OFFSET]
47 mov \irqstat, #0xffffffff
48 bic \tmp, \irqstat, \tmp
49 tst \irqnr, \tmp
50 beq 1510f
51
52 ldr \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
53 cmp \irqnr, #0
54 ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
55 cmpeq \irqnr, #INT_IH2_IRQ
56 ldreq \base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE)
57 ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
58 addeqs \irqnr, \irqnr, #32
591510:
60 .endm
61
62#endif
63#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
64 defined(CONFIG_ARCH_OMAP4)
65
66#include <mach/omap24xx.h>
67#include <mach/omap34xx.h>
68
69/* REVISIT: This should be set dynamically if CONFIG_MULTI_OMAP2 is selected */
70#if defined(CONFIG_ARCH_OMAP2420) || defined(CONFIG_ARCH_OMAP2430)
71#define OMAP2_VA_IC_BASE OMAP2_L4_IO_ADDRESS(OMAP24XX_IC_BASE)
72#elif defined(CONFIG_ARCH_OMAP34XX)
73#define OMAP2_VA_IC_BASE OMAP2_L4_IO_ADDRESS(OMAP34XX_IC_BASE)
74#endif
75#if defined(CONFIG_ARCH_OMAP4)
76#include <mach/omap44xx.h>
77#endif
78#define INTCPS_SIR_IRQ_OFFSET 0x0040 /* Active interrupt offset */
79#define ACTIVEIRQ_MASK 0x7f /* Active interrupt bits */
80
81 .macro disable_fiq
82 .endm
83
84 .macro get_irqnr_preamble, base, tmp
85 .endm
86
87 .macro arch_ret_to_user, tmp1, tmp2
88 .endm
89
90#ifndef CONFIG_ARCH_OMAP4
91 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
92 ldr \base, =OMAP2_VA_IC_BASE
93 ldr \irqnr, [\base, #0x98] /* IRQ pending reg 1 */
94 cmp \irqnr, #0x0
95 bne 2222f
96 ldr \irqnr, [\base, #0xb8] /* IRQ pending reg 2 */
97 cmp \irqnr, #0x0
98 bne 2222f
99 ldr \irqnr, [\base, #0xd8] /* IRQ pending reg 3 */
100 cmp \irqnr, #0x0
1012222:
102 ldrne \irqnr, [\base, #INTCPS_SIR_IRQ_OFFSET]
103 and \irqnr, \irqnr, #ACTIVEIRQ_MASK /* Clear spurious bits */
104
105 .endm
106#else
107#define OMAP44XX_VA_GIC_CPU_BASE OMAP2_L4_IO_ADDRESS(OMAP44XX_GIC_CPU_BASE)
108
109 /*
110 * The interrupt numbering scheme is defined in the
111 * interrupt controller spec. To wit:
112 *
113 * Interrupts 0-15 are IPI
114 * 16-28 are reserved
115 * 29-31 are local. We allow 30 to be used for the watchdog.
116 * 32-1020 are global
117 * 1021-1022 are reserved
118 * 1023 is "spurious" (no interrupt)
119 *
120 * For now, we ignore all local interrupts so only return an
121 * interrupt if it's between 30 and 1020. The test_for_ipi
122 * routine below will pick up on IPIs.
123 * A simple read from the controller will tell us the number
124 * of the highest priority enabled interrupt.
125 * We then just need to check whether it is in the
126 * valid range for an IRQ (30-1020 inclusive).
127 */
128 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
129 ldr \base, =OMAP44XX_VA_GIC_CPU_BASE
130 ldr \irqstat, [\base, #GIC_CPU_INTACK]
131
132 ldr \tmp, =1021
133
134 bic \irqnr, \irqstat, #0x1c00
135
136 cmp \irqnr, #29
137 cmpcc \irqnr, \irqnr
138 cmpne \irqnr, \tmp
139 cmpcs \irqnr, \irqnr
140 .endm
141
142 /* We assume that irqstat (the raw value of the IRQ acknowledge
143 * register) is preserved from the macro above.
144 * If there is an IPI, we immediately signal end of interrupt
145 * on the controller, since this requires the original irqstat
146 * value which we won't easily be able to recreate later.
147 */
148
149 .macro test_for_ipi, irqnr, irqstat, base, tmp
150 bic \irqnr, \irqstat, #0x1c00
151 cmp \irqnr, #16
152 it cc
153 strcc \irqstat, [\base, #GIC_CPU_EOI]
154 it cs
155 cmpcs \irqnr, \irqnr
156 .endm
157
158 /* As above, this assumes that irqstat and base are preserved */
159
160 .macro test_for_ltirq, irqnr, irqstat, base, tmp
161 bic \irqnr, \irqstat, #0x1c00
162 mov \tmp, #0
163 cmp \irqnr, #29
164 itt eq
165 moveq \tmp, #1
166 streq \irqstat, [\base, #GIC_CPU_EOI]
167 cmp \tmp, #0
168 .endm
169#endif
170
171 .macro irq_prio_table
172 .endm
173
174#endif
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