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-rw-r--r--arch/arm/mach-omap2/include/mach/entry-macro.S137
1 files changed, 0 insertions, 137 deletions
diff --git a/arch/arm/mach-omap2/include/mach/entry-macro.S b/arch/arm/mach-omap2/include/mach/entry-macro.S
index feb90a10945a..56964a0c4c7e 100644
--- a/arch/arm/mach-omap2/include/mach/entry-macro.S
+++ b/arch/arm/mach-omap2/include/mach/entry-macro.S
@@ -10,146 +10,9 @@
10 * License version 2. This program is licensed "as is" without any 10 * License version 2. This program is licensed "as is" without any
11 * warranty of any kind, whether express or implied. 11 * warranty of any kind, whether express or implied.
12 */ 12 */
13#include <mach/hardware.h>
14#include <mach/io.h>
15#include <mach/irqs.h>
16#include <asm/hardware/gic.h>
17
18#include <plat/omap24xx.h>
19#include <plat/omap34xx.h>
20#include <plat/omap44xx.h>
21
22#include <plat/multi.h>
23
24#define OMAP2_IRQ_BASE OMAP2_L4_IO_ADDRESS(OMAP24XX_IC_BASE)
25#define OMAP3_IRQ_BASE OMAP2_L4_IO_ADDRESS(OMAP34XX_IC_BASE)
26#define OMAP4_IRQ_BASE OMAP2_L4_IO_ADDRESS(OMAP44XX_GIC_CPU_BASE)
27#define INTCPS_SIR_IRQ_OFFSET 0x0040 /* omap2/3 active interrupt offset */
28#define ACTIVEIRQ_MASK 0x7f /* omap2/3 active interrupt bits */
29 13
30 .macro disable_fiq 14 .macro disable_fiq
31 .endm 15 .endm
32 16
33 .macro arch_ret_to_user, tmp1, tmp2 17 .macro arch_ret_to_user, tmp1, tmp2
34 .endm 18 .endm
35
36/*
37 * Unoptimized irq functions for multi-omap2, 3 and 4
38 */
39
40#ifdef MULTI_OMAP2
41 /*
42 * Configure the interrupt base on the first interrupt.
43 * See also omap_irq_base_init for setting omap_irq_base.
44 */
45 .macro get_irqnr_preamble, base, tmp
46 ldr \base, =omap_irq_base @ irq base address
47 ldr \base, [\base, #0] @ irq base value
48 .endm
49
50 /* Check the pending interrupts. Note that base already set */
51 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
52 tst \base, #0x100 @ gic address?
53 bne 4401f @ found gic
54
55 /* Handle omap2 and omap3 */
56 ldr \irqnr, [\base, #0x98] /* IRQ pending reg 1 */
57 cmp \irqnr, #0x0
58 bne 9998f
59 ldr \irqnr, [\base, #0xb8] /* IRQ pending reg 2 */
60 cmp \irqnr, #0x0
61 bne 9998f
62 ldr \irqnr, [\base, #0xd8] /* IRQ pending reg 3 */
63 cmp \irqnr, #0x0
64 bne 9998f
65
66 /*
67 * ti816x has additional IRQ pending register. Checking this
68 * register on omap2 & omap3 has no effect (read as 0).
69 */
70 ldr \irqnr, [\base, #0xf8] /* IRQ pending reg 4 */
71 cmp \irqnr, #0x0
729998:
73 ldrne \irqnr, [\base, #INTCPS_SIR_IRQ_OFFSET]
74 and \irqnr, \irqnr, #ACTIVEIRQ_MASK /* Clear spurious bits */
75 b 9999f
76
77 /* Handle omap4 */
784401: ldr \irqstat, [\base, #GIC_CPU_INTACK]
79 ldr \tmp, =1021
80 bic \irqnr, \irqstat, #0x1c00
81 cmp \irqnr, #15
82 cmpcc \irqnr, \irqnr
83 cmpne \irqnr, \tmp
84 cmpcs \irqnr, \irqnr
859999:
86 .endm
87
88#ifdef CONFIG_SMP
89 /* We assume that irqstat (the raw value of the IRQ acknowledge
90 * register) is preserved from the macro above.
91 * If there is an IPI, we immediately signal end of interrupt
92 * on the controller, since this requires the original irqstat
93 * value which we won't easily be able to recreate later.
94 */
95
96 .macro test_for_ipi, irqnr, irqstat, base, tmp
97 bic \irqnr, \irqstat, #0x1c00
98 cmp \irqnr, #16
99 it cc
100 strcc \irqstat, [\base, #GIC_CPU_EOI]
101 it cs
102 cmpcs \irqnr, \irqnr
103 .endm
104#endif /* CONFIG_SMP */
105
106#else /* MULTI_OMAP2 */
107
108
109/*
110 * Optimized irq functions for omap2, 3 and 4
111 */
112
113#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
114 .macro get_irqnr_preamble, base, tmp
115#ifdef CONFIG_ARCH_OMAP2
116 ldr \base, =OMAP2_IRQ_BASE
117#else
118 ldr \base, =OMAP3_IRQ_BASE
119#endif
120 .endm
121
122 /* Check the pending interrupts. Note that base already set */
123 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
124 ldr \irqnr, [\base, #0x98] /* IRQ pending reg 1 */
125 cmp \irqnr, #0x0
126 bne 9999f
127 ldr \irqnr, [\base, #0xb8] /* IRQ pending reg 2 */
128 cmp \irqnr, #0x0
129 bne 9999f
130 ldr \irqnr, [\base, #0xd8] /* IRQ pending reg 3 */
131 cmp \irqnr, #0x0
132#ifdef CONFIG_SOC_OMAPTI816X
133 bne 9999f
134 ldr \irqnr, [\base, #0xf8] /* IRQ pending reg 4 */
135 cmp \irqnr, #0x0
136#endif
1379999:
138 ldrne \irqnr, [\base, #INTCPS_SIR_IRQ_OFFSET]
139 and \irqnr, \irqnr, #ACTIVEIRQ_MASK /* Clear spurious bits */
140
141 .endm
142#endif
143
144
145#ifdef CONFIG_ARCH_OMAP4
146#define HAVE_GET_IRQNR_PREAMBLE
147#include <asm/hardware/entry-macro-gic.S>
148
149 .macro get_irqnr_preamble, base, tmp
150 ldr \base, =OMAP4_IRQ_BASE
151 .endm
152
153#endif
154
155#endif /* MULTI_OMAP2 */