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authorAndrew Bresticker <abrestic@chromium.org>2014-10-20 15:03:54 -0400
committerRalf Baechle <ralf@linux-mips.org>2014-11-24 01:45:13 -0500
commit824f3f7fa2b441416e3d9aaf1f19feab7db44747 (patch)
tree4a3f96dfb428482bc15d97586bf998b544875c08 /include/linux/irqchip
parent7110e227c86b83446b3b157df2ebb662c9fcb033 (diff)
irqchip: mips-gic: Clean up header file
Remove duplicate #defines and unnecessary #includes, fix parenthesization, and re-order register definitions in ascending order. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Paul Burton <paul.burton@imgtec.com> Cc: Qais Yousef <qais.yousef@imgtec.com> Cc: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8128/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/linux/irqchip')
-rw-r--r--include/linux/irqchip/mips-gic.h129
1 files changed, 27 insertions, 102 deletions
diff --git a/include/linux/irqchip/mips-gic.h b/include/linux/irqchip/mips-gic.h
index 285944ca9f6c..0350effb7ccc 100644
--- a/include/linux/irqchip/mips-gic.h
+++ b/include/linux/irqchip/mips-gic.h
@@ -4,17 +4,11 @@
4 * for more details. 4 * for more details.
5 * 5 *
6 * Copyright (C) 2000, 07 MIPS Technologies, Inc. 6 * Copyright (C) 2000, 07 MIPS Technologies, Inc.
7 *
8 * GIC Register Definitions
9 *
10 */ 7 */
11#ifndef _ASM_GICREGS_H 8#ifndef __LINUX_IRQCHIP_MIPS_GIC_H
12#define _ASM_GICREGS_H 9#define __LINUX_IRQCHIP_MIPS_GIC_H
13
14#include <linux/bitmap.h>
15#include <linux/threads.h>
16 10
17#include <irq.h> 11#include <linux/clocksource.h>
18 12
19#define GIC_MAX_INTRS 256 13#define GIC_MAX_INTRS 256
20 14
@@ -50,108 +44,42 @@
50#define GIC_SH_COUNTER_63_32_OFS 0x0014 44#define GIC_SH_COUNTER_63_32_OFS 0x0014
51#define GIC_SH_REVISIONID_OFS 0x0020 45#define GIC_SH_REVISIONID_OFS 0x0020
52 46
53/* Interrupt Polarity */ 47/* Convert an interrupt number to a byte offset/bit for multi-word registers */
54#define GIC_SH_POL_31_0_OFS 0x0100 48#define GIC_INTR_OFS(intr) (((intr) / 32) * 4)
55#define GIC_SH_POL_63_32_OFS 0x0104 49#define GIC_INTR_BIT(intr) ((intr) % 32)
56#define GIC_SH_POL_95_64_OFS 0x0108 50
57#define GIC_SH_POL_127_96_OFS 0x010c 51/* Polarity : Reset Value is always 0 */
58#define GIC_SH_POL_159_128_OFS 0x0110 52#define GIC_SH_SET_POLARITY_OFS 0x0100
59#define GIC_SH_POL_191_160_OFS 0x0114 53
60#define GIC_SH_POL_223_192_OFS 0x0118 54/* Triggering : Reset Value is always 0 */
61#define GIC_SH_POL_255_224_OFS 0x011c 55#define GIC_SH_SET_TRIGGER_OFS 0x0180
62 56
63/* Edge/Level Triggering */ 57/* Dual edge triggering : Reset Value is always 0 */
64#define GIC_SH_TRIG_31_0_OFS 0x0180 58#define GIC_SH_SET_DUAL_OFS 0x0200
65#define GIC_SH_TRIG_63_32_OFS 0x0184
66#define GIC_SH_TRIG_95_64_OFS 0x0188
67#define GIC_SH_TRIG_127_96_OFS 0x018c
68#define GIC_SH_TRIG_159_128_OFS 0x0190
69#define GIC_SH_TRIG_191_160_OFS 0x0194
70#define GIC_SH_TRIG_223_192_OFS 0x0198
71#define GIC_SH_TRIG_255_224_OFS 0x019c
72
73/* Dual Edge Triggering */
74#define GIC_SH_DUAL_31_0_OFS 0x0200
75#define GIC_SH_DUAL_63_32_OFS 0x0204
76#define GIC_SH_DUAL_95_64_OFS 0x0208
77#define GIC_SH_DUAL_127_96_OFS 0x020c
78#define GIC_SH_DUAL_159_128_OFS 0x0210
79#define GIC_SH_DUAL_191_160_OFS 0x0214
80#define GIC_SH_DUAL_223_192_OFS 0x0218
81#define GIC_SH_DUAL_255_224_OFS 0x021c
82 59
83/* Set/Clear corresponding bit in Edge Detect Register */ 60/* Set/Clear corresponding bit in Edge Detect Register */
84#define GIC_SH_WEDGE_OFS 0x0280 61#define GIC_SH_WEDGE_OFS 0x0280
85 62
86/* Reset Mask - Disables Interrupt */ 63/* Mask manipulation */
87#define GIC_SH_RMASK_31_0_OFS 0x0300 64#define GIC_SH_RMASK_OFS 0x0300
88#define GIC_SH_RMASK_63_32_OFS 0x0304 65#define GIC_SH_SMASK_OFS 0x0380
89#define GIC_SH_RMASK_95_64_OFS 0x0308
90#define GIC_SH_RMASK_127_96_OFS 0x030c
91#define GIC_SH_RMASK_159_128_OFS 0x0310
92#define GIC_SH_RMASK_191_160_OFS 0x0314
93#define GIC_SH_RMASK_223_192_OFS 0x0318
94#define GIC_SH_RMASK_255_224_OFS 0x031c
95
96/* Set Mask (WO) - Enables Interrupt */
97#define GIC_SH_SMASK_31_0_OFS 0x0380
98#define GIC_SH_SMASK_63_32_OFS 0x0384
99#define GIC_SH_SMASK_95_64_OFS 0x0388
100#define GIC_SH_SMASK_127_96_OFS 0x038c
101#define GIC_SH_SMASK_159_128_OFS 0x0390
102#define GIC_SH_SMASK_191_160_OFS 0x0394
103#define GIC_SH_SMASK_223_192_OFS 0x0398
104#define GIC_SH_SMASK_255_224_OFS 0x039c
105 66
106/* Global Interrupt Mask Register (RO) - Bit Set == Interrupt enabled */ 67/* Global Interrupt Mask Register (RO) - Bit Set == Interrupt enabled */
107#define GIC_SH_MASK_31_0_OFS 0x0400 68#define GIC_SH_MASK_OFS 0x0400
108#define GIC_SH_MASK_63_32_OFS 0x0404
109#define GIC_SH_MASK_95_64_OFS 0x0408
110#define GIC_SH_MASK_127_96_OFS 0x040c
111#define GIC_SH_MASK_159_128_OFS 0x0410
112#define GIC_SH_MASK_191_160_OFS 0x0414
113#define GIC_SH_MASK_223_192_OFS 0x0418
114#define GIC_SH_MASK_255_224_OFS 0x041c
115 69
116/* Pending Global Interrupts (RO) */ 70/* Pending Global Interrupts (RO) */
117#define GIC_SH_PEND_31_0_OFS 0x0480 71#define GIC_SH_PEND_OFS 0x0480
118#define GIC_SH_PEND_63_32_OFS 0x0484
119#define GIC_SH_PEND_95_64_OFS 0x0488
120#define GIC_SH_PEND_127_96_OFS 0x048c
121#define GIC_SH_PEND_159_128_OFS 0x0490
122#define GIC_SH_PEND_191_160_OFS 0x0494
123#define GIC_SH_PEND_223_192_OFS 0x0498
124#define GIC_SH_PEND_255_224_OFS 0x049c
125
126#define GIC_SH_INTR_MAP_TO_PIN_BASE_OFS 0x0500
127 72
128/* Maps Interrupt X to a Pin */ 73/* Maps Interrupt X to a Pin */
74#define GIC_SH_INTR_MAP_TO_PIN_BASE_OFS 0x0500
129#define GIC_SH_MAP_TO_PIN(intr) (4 * (intr)) 75#define GIC_SH_MAP_TO_PIN(intr) (4 * (intr))
130 76
131#define GIC_SH_INTR_MAP_TO_VPE_BASE_OFS 0x2000
132
133/* Maps Interrupt X to a VPE */ 77/* Maps Interrupt X to a VPE */
78#define GIC_SH_INTR_MAP_TO_VPE_BASE_OFS 0x2000
134#define GIC_SH_MAP_TO_VPE_REG_OFF(intr, vpe) \ 79#define GIC_SH_MAP_TO_VPE_REG_OFF(intr, vpe) \
135 ((32 * (intr)) + (((vpe) / 32) * 4)) 80 ((32 * (intr)) + (((vpe) / 32) * 4))
136#define GIC_SH_MAP_TO_VPE_REG_BIT(vpe) (1 << ((vpe) % 32)) 81#define GIC_SH_MAP_TO_VPE_REG_BIT(vpe) (1 << ((vpe) % 32))
137 82
138/* Convert an interrupt number to a byte offset/bit for multi-word registers */
139#define GIC_INTR_OFS(intr) (((intr) / 32)*4)
140#define GIC_INTR_BIT(intr) ((intr) % 32)
141
142/* Polarity : Reset Value is always 0 */
143#define GIC_SH_SET_POLARITY_OFS 0x0100
144
145/* Triggering : Reset Value is always 0 */
146#define GIC_SH_SET_TRIGGER_OFS 0x0180
147
148/* Dual edge triggering : Reset Value is always 0 */
149#define GIC_SH_SET_DUAL_OFS 0x0200
150
151/* Mask manipulation */
152#define GIC_SH_SMASK_OFS 0x0380
153#define GIC_SH_RMASK_OFS 0x0300
154
155/* Register Map for Local Section */ 83/* Register Map for Local Section */
156#define GIC_VPE_CTL_OFS 0x0000 84#define GIC_VPE_CTL_OFS 0x0000
157#define GIC_VPE_PEND_OFS 0x0004 85#define GIC_VPE_PEND_OFS 0x0004
@@ -200,8 +128,8 @@
200#define GIC_SH_CONFIG_NUMVPES_SHF 0 128#define GIC_SH_CONFIG_NUMVPES_SHF 0
201#define GIC_SH_CONFIG_NUMVPES_MSK (MSK(8) << GIC_SH_CONFIG_NUMVPES_SHF) 129#define GIC_SH_CONFIG_NUMVPES_MSK (MSK(8) << GIC_SH_CONFIG_NUMVPES_SHF)
202 130
203#define GIC_SH_WEDGE_SET(intr) (intr | (0x1 << 31)) 131#define GIC_SH_WEDGE_SET(intr) ((intr) | (0x1 << 31))
204#define GIC_SH_WEDGE_CLR(intr) (intr & ~(0x1 << 31)) 132#define GIC_SH_WEDGE_CLR(intr) ((intr) & ~(0x1 << 31))
205 133
206#define GIC_MAP_TO_PIN_SHF 31 134#define GIC_MAP_TO_PIN_SHF 31
207#define GIC_MAP_TO_PIN_MSK (MSK(1) << GIC_MAP_TO_PIN_SHF) 135#define GIC_MAP_TO_PIN_MSK (MSK(1) << GIC_MAP_TO_PIN_SHF)
@@ -278,10 +206,10 @@
278#define GIC_CPU_PIN_OFFSET 2 206#define GIC_CPU_PIN_OFFSET 2
279 207
280/* Add 2 to convert non-EIC hardware interrupt to EIC vector number. */ 208/* Add 2 to convert non-EIC hardware interrupt to EIC vector number. */
281#define GIC_CPU_TO_VEC_OFFSET (2) 209#define GIC_CPU_TO_VEC_OFFSET 2
282 210
283/* Mapped interrupt to pin X, then GIC will generate the vector (X+1). */ 211/* Mapped interrupt to pin X, then GIC will generate the vector (X+1). */
284#define GIC_PIN_TO_VEC_OFFSET (1) 212#define GIC_PIN_TO_VEC_OFFSET 1
285 213
286/* Local GIC interrupts. */ 214/* Local GIC interrupts. */
287#define GIC_LOCAL_INT_WD 0 /* GIC watchdog */ 215#define GIC_LOCAL_INT_WD 0 /* GIC watchdog */
@@ -301,9 +229,6 @@
301#define GIC_SHARED_TO_HWIRQ(x) (GIC_SHARED_HWIRQ_BASE + (x)) 229#define GIC_SHARED_TO_HWIRQ(x) (GIC_SHARED_HWIRQ_BASE + (x))
302#define GIC_HWIRQ_TO_SHARED(x) ((x) - GIC_SHARED_HWIRQ_BASE) 230#define GIC_HWIRQ_TO_SHARED(x) ((x) - GIC_SHARED_HWIRQ_BASE)
303 231
304#include <linux/clocksource.h>
305#include <linux/irq.h>
306
307extern unsigned int gic_present; 232extern unsigned int gic_present;
308extern unsigned int gic_frequency; 233extern unsigned int gic_frequency;
309 234
@@ -322,4 +247,4 @@ extern unsigned int plat_ipi_resched_int_xlate(unsigned int);
322extern unsigned int gic_get_timer_pending(void); 247extern unsigned int gic_get_timer_pending(void);
323extern int gic_get_c0_compare_int(void); 248extern int gic_get_c0_compare_int(void);
324extern int gic_get_c0_perfcount_int(void); 249extern int gic_get_c0_perfcount_int(void);
325#endif /* _ASM_GICREGS_H */ 250#endif /* __LINUX_IRQCHIP_MIPS_GIC_H */