2 * arch/v850/kernel/teg.c -- NB85E-TEG cpu chip
4 * Copyright (C) 2001,02,03 NEC Electronics Corporation
5 * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
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.
11 * Written by Miles Bader <miles@gnu.org>
14 #include <linux/kernel.h>
15 #include <linux/init.h>
17 #include <linux/swap.h>
18 #include <linux/bootmem.h>
19 #include <linux/irq.h>
21 #include <asm/atomic.h>
23 #include <asm/machdep.h>
24 #include <asm/v850e_timer_d.h>
28 void __init
mach_sched_init (struct irqaction
*timer_action
)
30 /* Select timer interrupt instead of external pin. */
32 /* Start hardware timer. */
33 v850e_timer_d_configure (0, HZ
);
34 /* Install timer interrupt handler. */
35 setup_irq (IRQ_INTCMD(0), timer_action
);
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 },
46 #define NUM_IRQ_INITS ((sizeof irq_inits / sizeof irq_inits[0]) - 1)
48 static struct hw_interrupt_type hw_itypes
[NUM_IRQ_INITS
];
50 /* Initialize MA chip interrupts. */
51 void __init
teg_init_irqs (void)
53 v850e_intc_init_irq_types (irq_inits
, hw_itypes
);
56 /* Called before configuring an on-chip UART. */
57 void teg_uart_pre_configure (unsigned chan
, unsigned cflags
, unsigned baud
)
59 /* Enable UART I/O pins instead of external interrupt pins, and
60 UART interrupts instead of external pin interrupts. */