cregit-Linux how code gets into the kernel

Release 4.11 arch/arm/mach-footbridge/include/mach/hardware.h

/*
 *  arch/arm/mach-footbridge/include/mach/hardware.h
 *
 *  Copyright (C) 1998-1999 Russell King.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 *  This file contains the hardware definitions of the EBSA-285.
 */
#ifndef __ASM_ARCH_HARDWARE_H

#define __ASM_ARCH_HARDWARE_H

/*   Virtual      Physical      Size
 * 0xff800000   0x40000000      1MB     X-Bus
 * 0xff000000   0x7c000000      1MB     PCI I/O space
 * 0xfe000000   0x42000000      1MB     CSR
 * 0xfd000000   0x78000000      1MB     Outbound write flush (not supported)
 * 0xfc000000   0x79000000      1MB     PCI IACK/special space
 * 0xfb000000   0x7a000000      16MB    PCI Config type 1
 * 0xfa000000   0x7b000000      16MB    PCI Config type 0
 * 0xf9000000   0x50000000      1MB     Cache flush
 * 0xf0000000   0x80000000      16MB    ISA memory
 */

#ifdef CONFIG_MMU

#define MMU_IO(a, b)	(a)
#else

#define MMU_IO(a, b)	(b)
#endif


#define XBUS_SIZE		0x00100000

#define XBUS_BASE		MMU_IO(0xff800000, 0x40000000)


#define ARMCSR_SIZE		0x00100000

#define ARMCSR_BASE		MMU_IO(0xfe000000, 0x42000000)


#define WFLUSH_SIZE		0x00100000

#define WFLUSH_BASE		MMU_IO(0xfd000000, 0x78000000)


#define PCIIACK_SIZE		0x00100000

#define PCIIACK_BASE		MMU_IO(0xfc000000, 0x79000000)


#define PCICFG1_SIZE		0x01000000

#define PCICFG1_BASE		MMU_IO(0xfb000000, 0x7a000000)


#define PCICFG0_SIZE		0x01000000

#define PCICFG0_BASE		MMU_IO(0xfa000000, 0x7b000000)


#define PCIMEM_SIZE		0x01000000

#define PCIMEM_BASE		MMU_IO(0xf0000000, 0x80000000)


#define XBUS_CS2		0x40012000


#define XBUS_SWITCH		((volatile unsigned char *)(XBUS_BASE + 0x12000))

#define XBUS_SWITCH_SWITCH	((*XBUS_SWITCH) & 15)

#define XBUS_SWITCH_J17_13	((*XBUS_SWITCH) & (1 << 4))

#define XBUS_SWITCH_J17_11	((*XBUS_SWITCH) & (1 << 5))

#define XBUS_SWITCH_J17_9	((*XBUS_SWITCH) & (1 << 6))


#define UNCACHEABLE_ADDR	(ARMCSR_BASE + 0x108)	
/* CSR_ROMBASEMASK */


/* PIC irq control */

#define PIC_LO			0x20

#define PIC_MASK_LO		0x21

#define PIC_HI			0xA0

#define PIC_MASK_HI		0xA1

/* GPIO pins */

#define GPIO_CCLK		0x800

#define GPIO_DSCLK		0x400

#define GPIO_E2CLK		0x200

#define GPIO_IOLOAD		0x100

#define GPIO_RED_LED		0x080

#define GPIO_WDTIMER		0x040

#define GPIO_DATA		0x020

#define GPIO_IOCLK		0x010

#define GPIO_DONE		0x008

#define GPIO_FAN		0x004

#define GPIO_GREEN_LED		0x002

#define GPIO_RESET		0x001

/* CPLD pins */

#define CPLD_DS_ENABLE		8

#define CPLD_7111_DISABLE	4

#define CPLD_UNMUTE		2

#define CPLD_FLASH_WR_ENABLE	1

#ifndef __ASSEMBLY__
extern raw_spinlock_t nw_gpio_lock;
extern void nw_gpio_modify_op(unsigned int mask, unsigned int set);
extern void nw_gpio_modify_io(unsigned int mask, unsigned int in);
extern unsigned int nw_gpio_read(void);
extern void nw_cpld_modify(unsigned int mask, unsigned int set);
#endif

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)20880.31%753.85%
Stepan Moskovchenko3212.36%17.69%
Russell King186.95%430.77%
Thomas Gleixner10.39%17.69%
Total259100.00%13100.00%
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