| /* ASB2364 initialisation |
| * |
| * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/param.h> |
| #include <linux/init.h> |
| #include <linux/device.h> |
| #include <linux/delay.h> |
| |
| #include <asm/io.h> |
| #include <asm/setup.h> |
| #include <asm/processor.h> |
| #include <asm/irq.h> |
| #include <asm/intctl-regs.h> |
| |
| /* |
| * initialise some of the unit hardware before gdbstub is set up |
| */ |
| asmlinkage void __init unit_init(void) |
| { |
| /* set up the external interrupts */ |
| |
| /* XIRQ[0]: NAND RXBY */ |
| /* SET_XIRQ_TRIGGER(0, XIRQ_TRIGGER_LOWLEVEL); */ |
| |
| /* XIRQ[1]: LAN, UART, I2C, USB, PCI, FPGA */ |
| SET_XIRQ_TRIGGER(1, XIRQ_TRIGGER_LOWLEVEL); |
| |
| /* XIRQ[2]: Extend Slot 1-9 */ |
| /* SET_XIRQ_TRIGGER(2, XIRQ_TRIGGER_LOWLEVEL); */ |
| |
| #if defined(CONFIG_EXT_SERIAL_IRQ_LEVEL) && \ |
| defined(CONFIG_ETHERNET_IRQ_LEVEL) && \ |
| (CONFIG_EXT_SERIAL_IRQ_LEVEL != CONFIG_ETHERNET_IRQ_LEVEL) |
| # error CONFIG_EXT_SERIAL_IRQ_LEVEL != CONFIG_ETHERNET_IRQ_LEVEL |
| #endif |
| |
| #if defined(CONFIG_EXT_SERIAL_IRQ_LEVEL) |
| set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL)); |
| #elif defined(CONFIG_ETHERNET_IRQ_LEVEL) |
| set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_ETHERNET_IRQ_LEVEL)); |
| #endif |
| } |
| |
| /* |
| * initialise the rest of the unit hardware after gdbstub is ready |
| */ |
| asmlinkage void __init unit_setup(void) |
| { |
| |
| } |
| |
| /* |
| * initialise the external interrupts used by a unit of this type |
| */ |
| void __init unit_init_IRQ(void) |
| { |
| unsigned int extnum; |
| |
| for (extnum = 0 ; extnum < NR_XIRQS ; extnum++) { |
| switch (GET_XIRQ_TRIGGER(extnum)) { |
| /* LEVEL triggered interrupts should be made |
| * post-ACK'able as they hold their lines until |
| * serviced |
| */ |
| case XIRQ_TRIGGER_HILEVEL: |
| case XIRQ_TRIGGER_LOWLEVEL: |
| mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum)); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| #define IRQCTL __SYSREG(0xd5000090, u32) |
| IRQCTL |= 0x02; |
| } |