1/*
2 * arch/arm/mach-footbridge/include/mach/entry-macro.S
3 *
4 * Low-level IRQ helper macros for footbridge-based platforms
5 *
6 * This file is licensed under  the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 */
10#include <mach/hardware.h>
11#include <mach/irqs.h>
12#include <asm/hardware/dec21285.h>
13
14		.equ	dc21285_high, ARMCSR_BASE & 0xff000000
15		.equ	dc21285_low, ARMCSR_BASE & 0x00ffffff
16
17		.macro  get_irqnr_preamble, base, tmp
18		mov	\base, #dc21285_high
19		.if	dc21285_low
20		orr	\base, \base, #dc21285_low
21		.endif
22		.endm
23
24		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
25		ldr	\irqstat, [\base, #0x180]	@ get interrupts
26
27		mov	\irqnr, #IRQ_SDRAMPARITY
28		tst	\irqstat, #IRQ_MASK_SDRAMPARITY
29		bne	1001f
30
31		tst	\irqstat, #IRQ_MASK_UART_RX
32		movne	\irqnr, #IRQ_CONRX
33		bne	1001f
34
35		tst	\irqstat, #IRQ_MASK_DMA1
36		movne	\irqnr, #IRQ_DMA1
37		bne	1001f
38
39		tst	\irqstat, #IRQ_MASK_DMA2
40		movne	\irqnr, #IRQ_DMA2
41		bne	1001f
42
43		tst	\irqstat, #IRQ_MASK_IN0
44		movne	\irqnr, #IRQ_IN0
45		bne	1001f
46
47		tst	\irqstat, #IRQ_MASK_IN1
48		movne	\irqnr, #IRQ_IN1
49		bne	1001f
50
51		tst	\irqstat, #IRQ_MASK_IN2
52		movne	\irqnr, #IRQ_IN2
53		bne	1001f
54
55		tst	\irqstat, #IRQ_MASK_IN3
56		movne	\irqnr, #IRQ_IN3
57		bne	1001f
58
59		tst	\irqstat, #IRQ_MASK_PCI
60		movne	\irqnr, #IRQ_PCI
61		bne	1001f
62
63		tst	\irqstat, #IRQ_MASK_DOORBELLHOST
64		movne	\irqnr, #IRQ_DOORBELLHOST
65		bne     1001f
66
67		tst	\irqstat, #IRQ_MASK_I2OINPOST
68		movne	\irqnr, #IRQ_I2OINPOST
69		bne	1001f
70
71		tst	\irqstat, #IRQ_MASK_TIMER1
72		movne	\irqnr, #IRQ_TIMER1
73		bne	1001f
74
75		tst	\irqstat, #IRQ_MASK_TIMER2
76		movne	\irqnr, #IRQ_TIMER2
77		bne	1001f
78
79		tst	\irqstat, #IRQ_MASK_TIMER3
80		movne	\irqnr, #IRQ_TIMER3
81		bne	1001f
82
83		tst	\irqstat, #IRQ_MASK_UART_TX
84		movne	\irqnr, #IRQ_CONTX
85		bne	1001f
86
87		tst	\irqstat, #IRQ_MASK_PCI_ABORT
88		movne	\irqnr, #IRQ_PCI_ABORT
89		bne	1001f
90
91		tst	\irqstat, #IRQ_MASK_PCI_SERR
92		movne	\irqnr, #IRQ_PCI_SERR
93		bne	1001f
94
95		tst	\irqstat, #IRQ_MASK_DISCARD_TIMER
96		movne	\irqnr, #IRQ_DISCARD_TIMER
97		bne	1001f
98
99		tst	\irqstat, #IRQ_MASK_PCI_DPERR
100		movne	\irqnr, #IRQ_PCI_DPERR
101		bne	1001f
102
103		tst	\irqstat, #IRQ_MASK_PCI_PERR
104		movne	\irqnr, #IRQ_PCI_PERR
1051001:
106		.endm
107
108