1/*
2 * include/asm-arm/arch-omap/entry-macro.S
3 *
4 * Low-level IRQ helper macros for OMAP-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 <asm/hardware.h>
11#include <asm/arch/irqs.h>
12
13#if defined(CONFIG_ARCH_OMAP1)
14
15#if defined(CONFIG_ARCH_OMAP730) && (defined(CONFIG_ARCH_OMAP15XX) || \
16	defined(CONFIG_ARCH_OMAP16XX))
17#error "FIXME: OMAP730 doesn't support multiple-OMAP"
18#elif defined(CONFIG_ARCH_OMAP730)
19#define INT_IH2_IRQ		INT_730_IH2_IRQ
20#elif defined(CONFIG_ARCH_OMAP15XX)
21#define INT_IH2_IRQ		INT_1510_IH2_IRQ
22#elif defined(CONFIG_ARCH_OMAP16XX)
23#define INT_IH2_IRQ		INT_1610_IH2_IRQ
24#else
25#warning "IH2 IRQ defaulted"
26#define INT_IH2_IRQ		INT_1510_IH2_IRQ
27#endif
28
29 		.macro	disable_fiq
30		.endm
31
32		.macro  get_irqnr_preamble, base, tmp
33		.endm
34
35		.macro  arch_ret_to_user, tmp1, tmp2
36		.endm
37
38		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
39		ldr	\base, =IO_ADDRESS(OMAP_IH1_BASE)
40		ldr	\irqnr, [\base, #IRQ_ITR_REG_OFFSET]
41		ldr	\tmp, [\base, #IRQ_MIR_REG_OFFSET]
42		mov	\irqstat, #0xffffffff
43		bic	\tmp, \irqstat, \tmp
44		tst	\irqnr, \tmp
45		beq	1510f
46
47		ldr	\irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
48		cmp	\irqnr, #0
49		ldreq	\irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
50		cmpeq	\irqnr, #INT_IH2_IRQ
51		ldreq	\base, =IO_ADDRESS(OMAP_IH2_BASE)
52		ldreq	\irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
53		addeqs	\irqnr, \irqnr, #32
541510:
55		.endm
56
57#elif defined(CONFIG_ARCH_OMAP24XX)
58
59#include <asm/arch/omap24xx.h>
60
61		.macro	disable_fiq
62		.endm
63
64		.macro  get_irqnr_preamble, base, tmp
65		.endm
66
67		.macro  arch_ret_to_user, tmp1, tmp2
68		.endm
69
70		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
71		ldr	\base, =VA_IC_BASE
72		ldr	\irqnr, [\base, #0x98] /* IRQ pending reg 1 */
73		cmp	\irqnr, #0x0
74		bne	2222f
75		ldr	\irqnr, [\base, #0xb8] /* IRQ pending reg 2 */
76		cmp	\irqnr, #0x0
77		bne	2222f
78		ldr	\irqnr, [\base, #0xd8] /* IRQ pending reg 3 */
79		cmp	\irqnr, #0x0
802222:
81		ldrne	\irqnr, [\base, #IRQ_SIR_IRQ]
82
83		.endm
84
85		.macro	irq_prio_table
86		.endm
87
88#endif
89