git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * arch/v850/kernel/teg.c -- NB85E-TEG cpu chip | |
| 3 | * | |
| 4 | * Copyright (C) 2001,02,03 NEC Electronics Corporation | |
| 5 | * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org> | |
| 6 | * | |
| 7 | * This file is subject to the terms and conditions of the GNU General | |
| 8 | * Public License. See the file COPYING in the main directory of this | |
| 9 | * archive for more details. | |
| 10 | * | |
| 11 | * Written by Miles Bader <miles@gnu.org> | |
| 12 | */ | |
| 13 | ||
| 1da177e4 LT |
14 | #include <linux/kernel.h> |
| 15 | #include <linux/init.h> | |
| 16 | #include <linux/mm.h> | |
| 17 | #include <linux/swap.h> | |
| 18 | #include <linux/bootmem.h> | |
| 19 | #include <linux/irq.h> | |
| 20 | ||
| 21 | #include <asm/atomic.h> | |
| 22 | #include <asm/page.h> | |
| 23 | #include <asm/machdep.h> | |
| 24 | #include <asm/v850e_timer_d.h> | |
| 25 | ||
| 26 | #include "mach.h" | |
| 27 | ||
| 28 | void __init mach_sched_init (struct irqaction *timer_action) | |
| 29 | { | |
| 30 | /* Select timer interrupt instead of external pin. */ | |
| 31 | TEG_ISS |= 0x1; | |
| 32 | /* Start hardware timer. */ | |
| 33 | v850e_timer_d_configure (0, HZ); | |
| 34 | /* Install timer interrupt handler. */ | |
| 35 | setup_irq (IRQ_INTCMD(0), timer_action); | |
| 36 | } | |
| 37 | ||
| 38 | static struct v850e_intc_irq_init irq_inits[] = { | |
| 39 | { "IRQ", 0, NUM_CPU_IRQS, 1, 7 }, | |
| 40 | { "CMD", IRQ_INTCMD(0), IRQ_INTCMD_NUM, 1, 5 }, | |
| 41 | { "SER", IRQ_INTSER(0), IRQ_INTSER_NUM, 1, 3 }, | |
| 42 | { "SR", IRQ_INTSR(0), IRQ_INTSR_NUM, 1, 4 }, | |
| 43 | { "ST", IRQ_INTST(0), IRQ_INTST_NUM, 1, 5 }, | |
| 44 | { 0 } | |
| 45 | }; | |
| 81d79bec | 46 | #define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1) |
| 1da177e4 LT |
47 | |
| 48 | static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS]; | |
| 49 | ||
| 50 | /* Initialize MA chip interrupts. */ | |
| 51 | void __init teg_init_irqs (void) | |
| 52 | { | |
| 53 | v850e_intc_init_irq_types (irq_inits, hw_itypes); | |
| 54 | } | |
| 55 | ||
| 56 | /* Called before configuring an on-chip UART. */ | |
| 57 | void teg_uart_pre_configure (unsigned chan, unsigned cflags, unsigned baud) | |
| 58 | { | |
| 59 | /* Enable UART I/O pins instead of external interrupt pins, and | |
| 60 | UART interrupts instead of external pin interrupts. */ | |
| 61 | TEG_ISS |= 0x4E; | |
| 62 | } |