diff options
Diffstat (limited to 'arch/sh/boards/dreamcast/irq.c')
| -rw-r--r-- | arch/sh/boards/dreamcast/irq.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/sh/boards/dreamcast/irq.c b/arch/sh/boards/dreamcast/irq.c index b10a6b11c03..373a22e48ac 100644 --- a/arch/sh/boards/dreamcast/irq.c +++ b/arch/sh/boards/dreamcast/irq.c | |||
| @@ -26,10 +26,10 @@ | |||
| 26 | event. | 26 | event. |
| 27 | 27 | ||
| 28 | There are three 32-bit ESRs located at 0xa05f8900 - 0xa05f6908. Event | 28 | There are three 32-bit ESRs located at 0xa05f8900 - 0xa05f6908. Event |
| 29 | types can be found in include/asm-sh/dc_sysasic.h. There are three groups | 29 | types can be found in include/asm-sh/dreamcast/sysasic.h. There are three |
| 30 | of EMRs that parallel the ESRs. Each EMR group corresponds to an IRQ, so | 30 | groups of EMRs that parallel the ESRs. Each EMR group corresponds to an |
| 31 | 0xa05f6910 - 0xa05f6918 triggers IRQ 13, 0xa05f6920 - 0xa05f6928 triggers | 31 | IRQ, so 0xa05f6910 - 0xa05f6918 triggers IRQ 13, 0xa05f6920 - 0xa05f6928 |
| 32 | IRQ 11, and 0xa05f6930 - 0xa05f6938 triggers IRQ 9. | 32 | triggers IRQ 11, and 0xa05f6930 - 0xa05f6938 triggers IRQ 9. |
| 33 | 33 | ||
| 34 | In the kernel, these events are mapped to virtual IRQs so that drivers can | 34 | In the kernel, these events are mapped to virtual IRQs so that drivers can |
| 35 | respond to them as they would a normal interrupt. In order to keep this | 35 | respond to them as they would a normal interrupt. In order to keep this |