/* SPDX-License-Identifier: GPL-2.0-only */ /* * arch/arm/include/asm/hardware/dec21285.h * * Copyright (C) 1998 Russell King * * DC21285 registers */ #define DC21285_PCI_IACK 0x79000000 #define DC21285_ARMCSR_BASE 0x42000000 #define DC21285_PCI_TYPE_0_CONFIG 0x7b000000 #define DC21285_PCI_TYPE_1_CONFIG 0x7a000000 #define DC21285_OUTBOUND_WRITE_FLUSH 0x78000000 #define DC21285_FLASH 0x41000000 #define DC21285_PCI_IO 0x7c000000 #define DC21285_PCI_MEM 0x80000000 #ifndef __ASSEMBLY__ #include <mach/hardware.h> #define DC21285_IO(x) ((volatile unsigned long *)(ARMCSR_BASE+(x))) #else #define DC21285_IO(x) (x) #endif /* * The footbridge is programmed to expose the system RAM at 0xe0000000. * The requirement is that the RAM isn't placed at bus address 0, which * would clash with VGA cards. */ #define BUS_OFFSET 0xe0000000 #define CSR_PCICMD DC21285_IO(0x0004) #define CSR_CLASSREV DC21285_IO(0x0008) #define CSR_PCICACHELINESIZE DC21285_IO(0x000c) #define CSR_PCICSRBASE DC21285_IO(0x0010) #define CSR_PCICSRIOBASE DC21285_IO(0x0014) #define CSR_PCISDRAMBASE DC21285_IO(0x0018) #define CSR_PCIROMBASE DC21285_IO(0x0030) #define CSR_MBOX0 DC21285_IO(0x0050) #define CSR_MBOX1 DC21285_IO(0x0054) #define CSR_MBOX2 DC21285_IO(0x0058) #define CSR_MBOX3 DC21285_IO(0x005c) #define CSR_DOORBELL DC21285_IO(0x0060) #define CSR_DOORBELL_SETUP DC21285_IO(0x0064) #define CSR_ROMWRITEREG DC21285_IO(0x0068) #define CSR_CSRBASEMASK DC21285_IO(0x00f8) #define CSR_CSRBASEOFFSET DC21285_IO(0x00fc) #define CSR_SDRAMBASEMASK DC21285_IO(0x0100) #define CSR_SDRAMBASEOFFSET DC21285_IO(0x0104) #define CSR_ROMBASEMASK DC21285_IO(0x0108) #define CSR_SDRAMTIMING DC21285_IO(0x010c) #define CSR_SDRAMADDRSIZE0 DC21285_IO(0x0110) #define CSR_SDRAMADDRSIZE1 DC21285_IO(0x0114) #define CSR_SDRAMADDRSIZE2 DC21285_IO(0x0118) #define CSR_SDRAMADDRSIZE3 DC21285_IO(0x011c) #define CSR_I2O_INFREEHEAD DC21285_IO(0x0120) #define CSR_I2O_INPOSTTAIL DC21285_IO(0x0124) #define CSR_I2O_OUTPOSTHEAD DC21285_IO(0x0128) #define CSR_I2O_OUTFREETAIL DC21285_IO(0x012c) #define CSR_I2O_INFREECOUNT DC21285_IO(0x0130) #define CSR_I2O_OUTPOSTCOUNT DC21285_IO(0x0134) #define CSR_I2O_INPOSTCOUNT DC21285_IO(0x0138) #define CSR_SA110_CNTL DC21285_IO(0x013c) #define SA110_CNTL_INITCMPLETE (1 << 0) #define SA110_CNTL_ASSERTSERR (1 << 1) #define SA110_CNTL_RXSERR (1 << 3) #define SA110_CNTL_SA110DRAMPARITY (1 << 4) #define SA110_CNTL_PCISDRAMPARITY (1 << 5) #define SA110_CNTL_DMASDRAMPARITY (1 << 6) #define SA110_CNTL_DISCARDTIMER (1 << 8) #define SA110_CNTL_PCINRESET (1 << 9) #define SA110_CNTL_I2O_256 (0 << 10) #define SA110_CNTL_I20_512 (1 << 10) #define SA110_CNTL_I2O_1024 (2 << 10) #define SA110_CNTL_I2O_2048 (3 << 10) #define SA110_CNTL_I2O_4096 (4 << 10) #define SA110_CNTL_I2O_8192 (5 << 10) #define SA110_CNTL_I2O_16384 (6 << 10) #define SA110_CNTL_I2O_32768 (7 << 10) #define SA110_CNTL_WATCHDOG (1 << 13) #define SA110_CNTL_ROMWIDTH_UNDEF (0 << 14) #define SA110_CNTL_ROMWIDTH_16 (1 << 14) #define SA110_CNTL_ROMWIDTH_32 (2 << 14) #define SA110_CNTL_ROMWIDTH_8 (3 << 14) #define SA110_CNTL_ROMACCESSTIME(x) ((x)<<16) #define SA110_CNTL_ROMBURSTTIME(x) ((x)<<20) #define SA110_CNTL_ROMTRISTATETIME(x) ((x)<<24) #define SA110_CNTL_XCSDIR(x) ((x)<<28) #define SA110_CNTL_PCICFN (1 << 31) #define CSR_PCIADDR_EXTN DC21285_IO(0x0140) #define CSR_PREFETCHMEMRANGE DC21285_IO(0x0144) #define CSR_XBUS_CYCLE DC21285_IO(0x0148) #define CSR_XBUS_IOSTROBE DC21285_IO(0x014c) #define CSR_DOORBELL_PCI DC21285_IO(0x0150) #define CSR_DOORBELL_SA110 DC21285_IO(0x0154) #define CSR_UARTDR DC21285_IO(0x0160) #define CSR_RXSTAT DC21285_IO(0x0164) #define CSR_H_UBRLCR DC21285_IO(0x0168) #define CSR_M_UBRLCR DC21285_IO(0x016c) #define CSR_L_UBRLCR DC21285_IO(0x0170) #define CSR_UARTCON DC21285_IO(0x0174) #define CSR_UARTFLG DC21285_IO(0x0178) #define CSR_IRQ_STATUS DC21285_IO(0x0180) #define CSR_IRQ_RAWSTATUS DC21285_IO(0x0184) #define CSR_IRQ_ENABLE DC21285_IO(0x0188) #define CSR_IRQ_DISABLE DC21285_IO(0x018c) #define CSR_IRQ_SOFT DC21285_IO(0x0190) #define CSR_FIQ_STATUS DC21285_IO(0x0280) #define CSR_FIQ_RAWSTATUS DC21285_IO(0x0284) #define CSR_FIQ_ENABLE DC21285_IO(0x0288) #define CSR_FIQ_DISABLE DC21285_IO(0x028c) #define CSR_FIQ_SOFT DC21285_IO(0x0290) #define CSR_TIMER1_LOAD DC21285_IO(0x0300) #define CSR_TIMER1_VALUE DC21285_IO(0x0304) #define CSR_TIMER1_CNTL DC21285_IO(0x0308) #define CSR_TIMER1_CLR DC21285_IO(0x030c) #define CSR_TIMER2_LOAD DC21285_IO(0x0320) #define CSR_TIMER2_VALUE DC21285_IO(0x0324) #define CSR_TIMER2_CNTL DC21285_IO(0x0328) #define CSR_TIMER2_CLR DC21285_IO(0x032c) #define CSR_TIMER3_LOAD DC21285_IO(0x0340) #define CSR_TIMER3_VALUE DC21285_IO(0x0344) #define CSR_TIMER3_CNTL DC21285_IO(0x0348) #define CSR_TIMER3_CLR DC21285_IO(0x034c) #define CSR_TIMER4_LOAD DC21285_IO(0x0360) #define CSR_TIMER4_VALUE DC21285_IO(0x0364) #define CSR_TIMER4_CNTL DC21285_IO(0x0368) #define CSR_TIMER4_CLR DC21285_IO(0x036c) #define TIMER_CNTL_ENABLE (1 << 7) #define TIMER_CNTL_AUTORELOAD (1 << 6) #define TIMER_CNTL_DIV1 (0) #define TIMER_CNTL_DIV16 (1 << 2) #define TIMER_CNTL_DIV256 (2 << 2) #define TIMER_CNTL_CNTEXT (3 << 2)