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Viewing File: /usr/src/kernels/5.14.0-570.32.1.el9_6.x86_64/include/linux/scx200.h
/* SPDX-License-Identifier: GPL-2.0 */
/* linux/include/linux/scx200.h
Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com>
Defines for the National Semiconductor SCx200 Processors
*/
/* Interesting stuff for the National Semiconductor SCx200 CPU */
extern unsigned scx200_cb_base;
#define scx200_cb_present() (scx200_cb_base!=0)
/* F0 PCI Header/Bridge Configuration Registers */
#define SCx200_DOCCS_BASE 0x78 /* DOCCS Base Address Register */
#define SCx200_DOCCS_CTRL 0x7c /* DOCCS Control Register */
/* GPIO Register Block */
#define SCx200_GPIO_SIZE 0x2c /* Size of GPIO register block */
/* General Configuration Block */
#define SCx200_CB_BASE_FIXED 0x9000 /* Base fixed at 0x9000 according to errata? */
/* Watchdog Timer */
#define SCx200_WDT_OFFSET 0x00 /* offset within configuration block */
#define SCx200_WDT_SIZE 0x05 /* size */
#define SCx200_WDT_WDTO 0x00 /* Time-Out Register */
#define SCx200_WDT_WDCNFG 0x02 /* Configuration Register */
#define SCx200_WDT_WDSTS 0x04 /* Status Register */
#define SCx200_WDT_WDSTS_WDOVF (1<<0) /* Overflow bit */
/* High Resolution Timer */
#define SCx200_TIMER_OFFSET 0x08
#define SCx200_TIMER_SIZE 0x06
/* Clock Generators */
#define SCx200_CLOCKGEN_OFFSET 0x10
#define SCx200_CLOCKGEN_SIZE 0x10
/* Pin Multiplexing and Miscellaneous Configuration Registers */
#define SCx200_MISC_OFFSET 0x30
#define SCx200_MISC_SIZE 0x10
#define SCx200_PMR 0x30 /* Pin Multiplexing Register */
#define SCx200_MCR 0x34 /* Miscellaneous Configuration Register */
#define SCx200_INTSEL 0x38 /* Interrupt Selection Register */
#define SCx200_IID 0x3c /* IA On a Chip Identification Number Reg */
#define SCx200_REV 0x3d /* Revision Register */
#define SCx200_CBA 0x3e /* Configuration Base Address Register */
#define SCx200_CBA_SCRATCH 0x64 /* Configuration Base Address Scratchpad */
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