Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/x86
[linux-2.6] / include / asm-arm / arch-omap / entry-macro.S
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) && \
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
29                 .macro  disable_fiq
30                 .endm
31
32                 .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
33                 ldr     \base, =IO_ADDRESS(OMAP_IH1_BASE)
34                 ldr     \irqnr, [\base, #IRQ_ITR_REG_OFFSET]
35                 ldr     \tmp, [\base, #IRQ_MIR_REG_OFFSET]
36                 mov     \irqstat, #0xffffffff
37                 bic     \tmp, \irqstat, \tmp
38                 tst     \irqnr, \tmp
39                 beq     1510f
40
41                 ldr     \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
42                 cmp     \irqnr, #0
43                 ldreq   \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
44                 cmpeq   \irqnr, #INT_IH2_IRQ
45                 ldreq   \base, =IO_ADDRESS(OMAP_IH2_BASE)
46                 ldreq   \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
47                 addeqs  \irqnr, \irqnr, #32
48 1510:
49                 .endm
50
51 #elif defined(CONFIG_ARCH_OMAP24XX)
52
53 #include <asm/arch/omap24xx.h>
54
55                 .macro  disable_fiq
56                 .endm
57
58                 .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
59                 ldr     \base, =VA_IC_BASE
60                 ldr     \irqnr, [\base, #0x98] /* IRQ pending reg 1 */
61                 cmp     \irqnr, #0x0
62                 bne     2222f
63                 ldr     \irqnr, [\base, #0xb8] /* IRQ pending reg 2 */
64                 cmp     \irqnr, #0x0
65                 bne     2222f
66                 ldr     \irqnr, [\base, #0xd8] /* IRQ pending reg 3 */
67                 cmp     \irqnr, #0x0
68 2222:
69                 ldrne   \irqnr, [\base, #IRQ_SIR_IRQ]
70
71                 .endm
72
73                 .macro  irq_prio_table
74                 .endm
75
76 #endif