blob: c90dff4828f730f9bc8d8b2a1760e716f46ea75c [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 */
Russell King78ff18a2006-01-03 17:39:34 +000010#include <asm/hardware.h>
11#include <asm/arch/irqs.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070012
Tony Lindgren9839c6b2005-09-07 17:20:27 +010013#if defined(CONFIG_ARCH_OMAP1)
14
Tony Lindgren9ad58972005-11-10 14:26:53 +000015#if defined(CONFIG_ARCH_OMAP730) && \
16 (defined(CONFIG_ARCH_OMAP15XX) || 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070029 .macro disable_fiq
30 .endm
31
Dan Williamsf80dff92007-02-16 22:16:32 +010032 .macro get_irqnr_preamble, base, tmp
33 .endm
34
35 .macro arch_ret_to_user, tmp1, tmp2
36 .endm
37
Linus Torvalds1da177e2005-04-16 15:20:36 -070038 .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
Tony Lindgren9839c6b2005-09-07 17:20:27 +010057#elif defined(CONFIG_ARCH_OMAP24XX)
58
59#include <asm/arch/omap24xx.h>
60
61 .macro disable_fiq
62 .endm
63
64 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
65 ldr \base, =VA_IC_BASE
66 ldr \irqnr, [\base, #0x98] /* IRQ pending reg 1 */
67 cmp \irqnr, #0x0
68 bne 2222f
69 ldr \irqnr, [\base, #0xb8] /* IRQ pending reg 2 */
70 cmp \irqnr, #0x0
71 bne 2222f
72 ldr \irqnr, [\base, #0xd8] /* IRQ pending reg 3 */
73 cmp \irqnr, #0x0
742222:
75 ldrne \irqnr, [\base, #IRQ_SIR_IRQ]
76
77 .endm
78
79 .macro irq_prio_table
80 .endm
81
82#endif