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/* gpio-regs.h: on-chip general purpose I/O registers
*
* Copyright (C) 2003 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.
*/
#ifndef _ASM_GPIO_REGS
#define _ASM_GPIO_REGS
#define __reg(ADDR) (*(volatile unsigned long *)(ADDR))
#define __get_PDR() ({ __reg(0xfeff0400); })
#define __set_PDR(V) do { __reg(0xfeff0400) = (V); mb(); } while(0)
#define __get_GPDR() ({ __reg(0xfeff0408); })
#define __set_GPDR(V) do { __reg(0xfeff0408) = (V); mb(); } while(0)
#define __get_SIR() ({ __reg(0xfeff0410); })
#define __set_SIR(V) do { __reg(0xfeff0410) = (V); mb(); } while(0)
#define __get_SOR() ({ __reg(0xfeff0418); })
#define __set_SOR(V) do { __reg(0xfeff0418) = (V); mb(); } while(0)
#define __set_PDSR(V) do { __reg(0xfeff0420) = (V); mb(); } while(0)
#define __set_PDCR(V) do { __reg(0xfeff0428) = (V); mb(); } while(0)
#define __get_RSTR() ({ __reg(0xfeff0500); })
#define __set_RSTR(V) do { __reg(0xfeff0500) = (V); mb(); } while(0)
/* PDR definitions */
#define PDR_GPIO_DATA(X) (1 << (X))
/* GPDR definitions */
#define GPDR_INPUT 0
#define GPDR_OUTPUT 1
#define GPDR_DREQ0_BIT 0x00001000
#define GPDR_DREQ1_BIT 0x00008000
#define GPDR_DREQ2_BIT 0x00040000
#define GPDR_DREQ3_BIT 0x00080000
#define GPDR_DREQ4_BIT 0x00004000
#define GPDR_DREQ5_BIT 0x00020000
#define GPDR_DREQ6_BIT 0x00100000
#define GPDR_DREQ7_BIT 0x00200000
#define GPDR_DACK0_BIT 0x00002000
#define GPDR_DACK1_BIT 0x00010000
#define GPDR_DACK2_BIT 0x00100000
#define GPDR_DACK3_BIT 0x00200000
#define GPDR_DONE0_BIT 0x00004000
#define GPDR_DONE1_BIT 0x00020000
#define GPDR_GPIO_DIR(X,D) ((D) << (X))
/* SIR definitions */
#define SIR_GPIO_INPUT 0
#define SIR_DREQ7_INPUT 0x00200000
#define SIR_DREQ6_INPUT 0x00100000
#define SIR_DREQ3_INPUT 0x00080000
#define SIR_DREQ2_INPUT 0x00040000
#define SIR_DREQ5_INPUT 0x00020000
#define SIR_DREQ1_INPUT 0x00008000
#define SIR_DREQ4_INPUT 0x00004000
#define SIR_DREQ0_INPUT 0x00001000
#define SIR_RXD1_INPUT 0x00000400
#define SIR_CTS0_INPUT 0x00000100
#define SIR_RXD0_INPUT 0x00000040
#define SIR_GATE1_INPUT 0x00000020
#define SIR_GATE0_INPUT 0x00000010
#define SIR_IRQ3_INPUT 0x00000008
#define SIR_IRQ2_INPUT 0x00000004
#define SIR_IRQ1_INPUT 0x00000002
#define SIR_IRQ0_INPUT 0x00000001
#define SIR_DREQ_BITS (SIR_DREQ0_INPUT | SIR_DREQ1_INPUT | \
SIR_DREQ2_INPUT | SIR_DREQ3_INPUT | \
SIR_DREQ4_INPUT | SIR_DREQ5_INPUT | \
SIR_DREQ6_INPUT | SIR_DREQ7_INPUT)
/* SOR definitions */
#define SOR_GPIO_OUTPUT 0
#define SOR_DACK3_OUTPUT 0x00200000
#define SOR_DACK2_OUTPUT 0x00100000
#define SOR_DONE1_OUTPUT 0x00020000
#define SOR_DACK1_OUTPUT 0x00010000
#define SOR_DONE0_OUTPUT 0x00004000
#define SOR_DACK0_OUTPUT 0x00002000
#define SOR_TXD1_OUTPUT 0x00000800
#define SOR_RTS0_OUTPUT 0x00000200
#define SOR_TXD0_OUTPUT 0x00000080
#define SOR_TOUT1_OUTPUT 0x00000020
#define SOR_TOUT0_OUTPUT 0x00000010
#define SOR_DONE_BITS (SOR_DONE0_OUTPUT | SOR_DONE1_OUTPUT)
#define SOR_DACK_BITS (SOR_DACK0_OUTPUT | SOR_DACK1_OUTPUT | \
SOR_DACK2_OUTPUT | SOR_DACK3_OUTPUT)
/* PDSR definitions */
#define PDSR_UNCHANGED 0
#define PDSR_SET_BIT(X) (1 << (X))
/* PDCR definitions */
#define PDCR_UNCHANGED 0
#define PDCR_CLEAR_BIT(X) (1 << (X))
/* RSTR definitions */
/* Read Only */
#define RSTR_POWERON 0x00000400
#define RSTR_SOFTRESET_STATUS 0x00000100
/* Write Only */
#define RSTR_SOFTRESET 0x00000001
#endif /* _ASM_GPIO_REGS */