projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 368dd5ac AT |
1 | /* ASB2364 initialisation |
| 2 | * | |
| 3 | * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. | |
| 4 | * Written by David Howells (dhowells@redhat.com) | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * as published by the Free Software Foundation; either version | |
| 9 | * 2 of the License, or (at your option) any later version. | |
| 10 | */ | |
| 11 | ||
| 12 | #include <linux/kernel.h> | |
| 13 | #include <linux/param.h> | |
| 14 | #include <linux/init.h> | |
| 15 | #include <linux/device.h> | |
| 16 | #include <linux/delay.h> | |
| 17 | ||
| 18 | #include <asm/io.h> | |
| 19 | #include <asm/setup.h> | |
| 20 | #include <asm/processor.h> | |
| 21 | #include <asm/irq.h> | |
| 22 | #include <asm/intctl-regs.h> | |
| 6044cf1d | 23 | #include <unit/fpga-regs.h> |
| 368dd5ac AT |
24 | |
| 25 | /* | |
| 26 | * initialise some of the unit hardware before gdbstub is set up | |
| 27 | */ | |
| 28 | asmlinkage void __init unit_init(void) | |
| 29 | { | |
| 30 | /* set up the external interrupts */ | |
| 31 | ||
| 32 | /* XIRQ[0]: NAND RXBY */ | |
| 33 | /* SET_XIRQ_TRIGGER(0, XIRQ_TRIGGER_LOWLEVEL); */ | |
| 34 | ||
| 35 | /* XIRQ[1]: LAN, UART, I2C, USB, PCI, FPGA */ | |
| 36 | SET_XIRQ_TRIGGER(1, XIRQ_TRIGGER_LOWLEVEL); | |
| 37 | ||
| 38 | /* XIRQ[2]: Extend Slot 1-9 */ | |
| 39 | /* SET_XIRQ_TRIGGER(2, XIRQ_TRIGGER_LOWLEVEL); */ | |
| 40 | ||
| 41 | #if defined(CONFIG_EXT_SERIAL_IRQ_LEVEL) && \ | |
| 42 | defined(CONFIG_ETHERNET_IRQ_LEVEL) && \ | |
| 43 | (CONFIG_EXT_SERIAL_IRQ_LEVEL != CONFIG_ETHERNET_IRQ_LEVEL) | |
| 44 | # error CONFIG_EXT_SERIAL_IRQ_LEVEL != CONFIG_ETHERNET_IRQ_LEVEL | |
| 45 | #endif | |
| 46 | ||
| 47 | #if defined(CONFIG_EXT_SERIAL_IRQ_LEVEL) | |
| 48 | set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL)); | |
| 49 | #elif defined(CONFIG_ETHERNET_IRQ_LEVEL) | |
| 50 | set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_ETHERNET_IRQ_LEVEL)); | |
| 51 | #endif | |
| 52 | } | |
| 53 | ||
| 54 | /* | |
| 55 | * initialise the rest of the unit hardware after gdbstub is ready | |
| 56 | */ | |
| 57 | asmlinkage void __init unit_setup(void) | |
| 58 | { | |
| 59 | ||
| 60 | } | |
| 61 | ||
| 62 | /* | |
| 63 | * initialise the external interrupts used by a unit of this type | |
| 64 | */ | |
| 65 | void __init unit_init_IRQ(void) | |
| 66 | { | |
| 67 | unsigned int extnum; | |
| 68 | ||
| 69 | for (extnum = 0 ; extnum < NR_XIRQS ; extnum++) { | |
| 70 | switch (GET_XIRQ_TRIGGER(extnum)) { | |
| 71 | /* LEVEL triggered interrupts should be made | |
| 72 | * post-ACK'able as they hold their lines until | |
| 73 | * serviced | |
| 74 | */ | |
| 75 | case XIRQ_TRIGGER_HILEVEL: | |
| 76 | case XIRQ_TRIGGER_LOWLEVEL: | |
| 77 | mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum)); | |
| 78 | break; | |
| 79 | default: | |
| 80 | break; | |
| 81 | } | |
| 82 | } | |
| 83 | ||
| 84 | #define IRQCTL __SYSREG(0xd5000090, u32) | |
| 85 | IRQCTL |= 0x02; | |
| 6044cf1d DH |
86 | |
| 87 | irq_fpga_init(); | |
| 368dd5ac | 88 | } |