linux-sg2042/include/asm-arm/arch-ixp4xx/nslu2.h

94 lines
2.2 KiB
C

/*
* include/asm-arm/arch-ixp4xx/nslu2.h
*
* NSLU2 platform specific definitions
*
* Author: Mark Rakes <mrakes AT mac.com>
* Maintainers: http://www.nslu2-linux.org
*
* based on ixdp425.h:
* Copyright 2004 (c) MontaVista, Software, Inc.
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __ASM_ARCH_HARDWARE_H__
#error "Do not include this directly, instead #include <asm/hardware.h>"
#endif
#define NSLU2_SDA_PIN 7
#define NSLU2_SCL_PIN 6
/*
* NSLU2 PCI IRQs
*/
#define NSLU2_PCI_MAX_DEV 3
#define NSLU2_PCI_IRQ_LINES 3
/* PCI controller GPIO to IRQ pin mappings */
#define NSLU2_PCI_INTA_PIN 11
#define NSLU2_PCI_INTB_PIN 10
#define NSLU2_PCI_INTC_PIN 9
#define NSLU2_PCI_INTD_PIN 8
/* NSLU2 Timer */
#define NSLU2_FREQ 66000000
#define NSLU2_CLOCK_TICK_RATE (((NSLU2_FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ)
#define NSLU2_CLOCK_TICKS_PER_USEC ((NSLU2_CLOCK_TICK_RATE + USEC_PER_SEC/2) / USEC_PER_SEC)
/* GPIO */
#define NSLU2_GPIO0 0
#define NSLU2_GPIO1 1
#define NSLU2_GPIO2 2
#define NSLU2_GPIO3 3
#define NSLU2_GPIO4 4
#define NSLU2_GPIO5 5
#define NSLU2_GPIO6 6
#define NSLU2_GPIO7 7
#define NSLU2_GPIO8 8
#define NSLU2_GPIO9 9
#define NSLU2_GPIO10 10
#define NSLU2_GPIO11 11
#define NSLU2_GPIO12 12
#define NSLU2_GPIO13 13
#define NSLU2_GPIO14 14
#define NSLU2_GPIO15 15
/* Buttons */
#define NSLU2_PB_GPIO NSLU2_GPIO5
#define NSLU2_PO_GPIO NSLU2_GPIO8 /* power off */
#define NSLU2_RB_GPIO NSLU2_GPIO12
#define NSLU2_PB_IRQ IRQ_IXP4XX_GPIO5
#define NSLU2_RB_IRQ IRQ_IXP4XX_GPIO12
#define NSLU2_PB_BM (1L << NSLU2_PB_GPIO)
#define NSLU2_PO_BM (1L << NSLU2_PO_GPIO)
#define NSLU2_RB_BM (1L << NSLU2_RB_GPIO)
/* Buzzer */
#define NSLU2_GPIO_BUZZ 4
#define NSLU2_BZ_BM (1L << NSLU2_GPIO_BUZZ)
/* LEDs */
#define NSLU2_LED_RED NSLU2_GPIO0
#define NSLU2_LED_GRN NSLU2_GPIO1
#define NSLU2_LED_RED_BM (1L << NSLU2_LED_RED)
#define NSLU2_LED_GRN_BM (1L << NSLU2_LED_GRN)
#define NSLU2_LED_DISK1 NSLU2_GPIO2
#define NSLU2_LED_DISK2 NSLU2_GPIO3
#define NSLU2_LED_DISK1_BM (1L << NSLU2_GPIO2)
#define NSLU2_LED_DISK2_BM (1L << NSLU2_GPIO3)