1/* $NetBSD: ifpgareg.h,v 1.6 2015/01/26 08:55:41 skrll Exp $ */ 2 3/* 4 * Copyright (c) 2001 ARM Ltd 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the company may not be used to endorse or promote 16 * products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 20 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 23 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32/* System clock defaults. */ 33 34#define IFPGA_UART_CLK 14745600 /* Uart REFCLK freq */ 35#define IFPGA_UART_SIZE 0x24 36 37#define IFPGA_MMC_CLK 14745600 /* MMC_5 freq */ 38#define IFPGA_MMC_SIZE 0x1000 39 40/* 41 * IFPGA registers 42 */ 43 44/* Core module */ 45#define IFPGA_CM_ID 0x00000000 /* ID register */ 46#define IFPGA_CM_PROC 0x00000004 /* Processor Reg */ 47#define IFPGA_CM_OSC 0x00000008 /* Oscillator ctrl */ 48#define IFPGA_CM_CTRL 0x0000000c /* Control Reg */ 49#define IFPGA_CM_STAT 0x00000010 /* Status Reg */ 50#define IFPGA_CM_LOCK 0x00000014 /* Lock */ 51#define IFPGA_CM_SDRAM 0x00000020 /* SDRAM stat/ctrl */ 52#define IFPGA_CM_IRQ_STAT 0x00000040 /* IRQ Status */ 53#define IFPGA_CM_IRQ_RSTAT 0x00000044 /* IRQ Raw status */ 54#define IFPGA_CM_IRQ_ENSET 0x00000048 /* IRQ Enable set */ 55#define IFPGA_CM_IRQ_ENCLR 0x0000004c /* IRQ Enable clr */ 56#define IFPGA_CM_SOFT_INTSET 0x00000050 /* S/W Int set */ 57#define IFPGA_CM_SOFT_INTCLR 0x00000054 /* S/W Int clr */ 58#define IFPGA_CM_FIQ_STAT 0x00000060 /* FIQ Status */ 59#define IFPGA_CM_FIQ_RSTAT 0x00000064 /* FIQ Raw Status */ 60#define IFPGA_CM_FIQ_ENSET 0x00000068 /* FIQ Enable set */ 61#define IFPGA_CM_FIQ_ENCLR 0x0000006c /* FIQ Enable clr */ 62#define IFPGA_CM_SPD 0x00000100 /* SDRAM SPD memory */ 63 64 /* CM-ARM10200 module only */ 65#define IFPGA_CM_LMBUSCNT 0x00000018 /* LMBUS counter */ 66#define IFPGA_CM_AUXOSC 0x0000001c /* Aux Oscillator */ 67#define IFPGA_CM_INIT 0x00000024 /* Initialization */ 68#define IFPGA_CM_REFCNT 0x00000028 /* 24MHz counter */ 69#define IFPGA_CM_FLAGS 0x00000030 /* Flags reg ? */ 70#define IFPGA_CM_FLAGSS 0x00000030 /* Flags set */ 71#define IFPGA_CM_FLAGSC 0x00000034 /* Flags clr */ 72#define IFPGA_CM_NVFLAGS 0x00000038 /* NVFlags reg ? */ 73#define IFPGA_CM_NVFLAGSS 0x00000038 /* NVFlags set */ 74#define IFPGA_CM_NVFLAGSC 0x0000003c /* NVFlags clr */ 75 76/* CM_ID reg */ 77#define IFPGA_CM_ID_MAN_MASK 0xff000000 /* Manufacturer ID */ 78#define IFPGA_CM_ID_MAN_ARM 0x41000000 /* ARM Ltd */ 79#define IFPGA_CM_ID_ARCH_MASK 0x00ff0000 /* Architecture */ 80#define IFPGA_CM_ID_ARCH_ASBLE 0x00000000 /* ASB Little-endian */ 81#define IFPGA_CM_ID_ARCH_AHBLE 0x00010000 /* AHB Little-endian */ 82#define IFPGA_CM_ID_FPGA_MASK 0x0000f000 /* FPGA type */ 83#define IFPGA_CM_ID_FPGA_XC4036 0x00000000 /* XC4036 */ 84#define IFPGA_CM_ID_FPGA_XCV600 0x00003000 /* XCV600 */ 85#define IFPGA_CM_ID_BUILD_MASK 0x00000ff0 /* Build number */ 86#define IFPGA_CM_ID_BUILD_SHIFT 4 87#define IFPGA_CM_ID_REV_MASK 0x0000000f /* Revision number */ 88#define IFPGA_CM_ID_REV_A 0x00000000 /* Revision A */ 89#define IFPGA_CM_ID_REV_B 0x00000001 /* Revision B */ 90 91/* System controller */ 92#define IFPGA_SC_ID 0x00000000 /* ID register */ 93#define IFPGA_SC_OSC 0x00000004 /* Oscillator ctrl */ 94#define IFPGA_SC_CTRLS 0x00000008 /* Ctrl Regs Set */ 95#define IFPGA_SC_CTRLC 0x0000000c /* Ctrl Regs Clr */ 96#define IFPGA_SC_DEC 0x00000010 /* Decoder status */ 97#define IFPGA_SC_ARB 0x00000014 /* Arbiter time-out */ 98#define IFPGA_SC_PCI 0x00000018 /* PIC Ctrl */ 99#define IFPGA_SC_LOCK 0x0000001c /* Lock */ 100#define IFPGA_SC_LBFADDR 0x00000020 /* PCI Lbus flt addr */ 101#define IFPGA_SC_LBFCODE 0x00000024 /* PCI Lbus flt code */ 102 103/* SC_ID reg */ 104#define IFPGA_SC_ID_MAN_MASK 0xff000000 /* Manufacturer ID */ 105#define IFPGA_SC_ID_MAN_ARM 0x41000000 /* ARM Ltd */ 106#define IFPGA_SC_ID_ARCH_MASK 0x00ff0000 /* Architecture */ 107#define IFPGA_SC_ID_ARCH_ASBLE 0x00000000 /* ASB Little-endian */ 108#define IFPGA_SC_ID_ARCH_AHBLE 0x00010000 /* AHB Little-endian */ 109#define IFPGA_SC_ID_FPGA_MASK 0x0000f000 /* FPGA type */ 110#define IFPGA_SC_ID_FPGA_XC4062 0x00001000 /* XC4062 */ 111#define IFPGA_SC_ID_FPGA_XC4085 0x00002000 /* XC4085 */ 112#define IFPGA_SC_ID_BUILD_MASK 0x00000ff0 /* Build number */ 113#define IFPGA_SC_ID_BUILD_SHIFT 4 114#define IFPGA_SC_ID_REV_MASK 0x0000000f /* Revision number */ 115#define IFPGA_SC_ID_REV_A 0x00000000 /* Revision A */ 116#define IFPGA_SC_ID_REV_B 0x00000001 /* Revision B */ 117 118/* SC_OSC reg */ 119#define IFPGA_SC_OSC_DIV_X_Y 0x80 120#define IFPGA_SC_OSC_S_VDW 0x7f 121 122/* SC_CTRLS & SC_CTRLC regs */ 123#define IFPGA_SC_CTRL_UART0RTS 0x80 /* Active low */ 124#define IFPGA_SC_CTRL_UART0DTR 0x40 /* Active low */ 125#define IFPGA_SC_CTRL_UART1RTS 0x20 /* Active low */ 126#define IFPGA_SC_CTRL_UART1DTR 0x10 /* Active low */ 127#define IFPGA_SC_CTRL_FLASHWP 0x04 /* W/P Flash */ 128#define IFPGA_SC_CTRL_FLASHVPP 0x02 /* Flash VPP enable */ 129#define IFPGA_SC_CTRL_SOFTRESET 0x01 /* Board reset */ 130 131/* SC_DEC reg (read-only) */ 132#define IFPGA_SC_DEC_EXP_MASK 0xf0 /* EXP connector */ 133#define IFPGA_SC_DEC_EXP_SHIFT 4 134#define IFPGA_SC_DEC_HDR_MASK 0x0f /* HDR connector */ 135#define IFPGA_SC_DEC_HDR_SHIFT 0 136 137/* SC_ARB reg */ 138#define IFPGA_SC_ARB_CCOUNT_MASK 0xffffff00 /* Cycle counter */ 139#define IFPGA_SC_ARB_CCOUNT_SHIFT 8 140#define IFPGA_SC_ARB_TCOUNT_MASK 0xffffff00 /* Transaction cntr */ 141#define IFPGA_SC_ARB_TCOUNT_SHIFT 0 142 143/* SC_PCI reg */ 144#define IFPGA_SC_PCI_PCIEN 0x02 /* PCI Enable */ 145#define IFPGA_SC_PCI_LBINT_CLR 0x01 /* LB interrupt clr */ 146 147/* SC_LOCK reg */ 148#define IFPGA_SC_LOCK_LCK 0x00010000 /* Is locked */ 149#define IFPGA_SC_LOCK_MASK 0x0000ffff /* Key */ 150#define IFPGA_SC_LOCK_KEY 0x0000a05f /* Key */ 151 152/* SC_LBFADDR reg */ 153 154/* SC_LBFCODE reg */ 155#define IFPGA_SC_LBFCODE_BEN3 0x80 /* Byte enable 3 */ 156#define IFPGA_SC_LBFCODE_BEN2 0x40 /* Byte enable 2 */ 157#define IFPGA_SC_LBFCODE_BEN1 0x20 /* Byte enable 1 */ 158#define IFPGA_SC_LBFCODE_BEN0 0x10 /* Byte enable 0 */ 159#define IFPGA_SC_LBFCODE_LBURST 0x08 /* Burst */ 160#define IFPGA_SC_LBFCODE_LREAD 0x04 /* Read */ 161#define IFPGA_SC_LBFCODE_MASTER 0x02 /* Master */ 162#define IFPGA_SC_LBFCODE_RLBFINT 0x01 /* Raw LBNT */ 163 164/* Counter/Timer registers */ 165 166#define TIMERx_LOAD 0x00 /* Load register */ 167#define TIMERx_VALUE 0x04 /* Current value */ 168#define TIMERx_CTRL 0x08 /* Control */ 169#define TIMERx_CLR 0x0c /* Clear */ 170 171#define TIMERx_MAX 0xffff /* Max count value */ 172 173#define TIMERx_CTRL_ENABLE 0x80 /* Timer enable */ 174#define TIMERx_CTRL_RAISE_IRQ 0x20 /* Raise IRQ on tick */ 175#define TIMERx_CTRL_MODE_ONCE 0x00 /* Single shot */ 176#define TIMERx_CTRL_MODE_PERIODIC 0x40 /* Single shot */ 177#define TIMERx_CTRL_PRESCALE_DIV1 0x00 /* CLK / 1 */ 178#define TIMERx_CTRL_PRESCALE_DIV16 0x04 /* CLK / 16 */ 179#define TIMERx_CTRL_PRESCALE_DIV256 0x08 /* CLK / 256 */ 180 181/* Interrupt registers */ 182/* Bit positions... */ 183#define IFPGA_INTR_bit31 0x80000000 184#define IFPGA_INTR_bit30 0x40000000 185#define IFPGA_INTR_bit29 0x20000000 186#define IFPGA_INTR_bit28 0x10000000 187#define IFPGA_INTR_bit27 0x08000000 188#define IFPGA_INTR_bit26 0x04000000 189#define IFPGA_INTR_bit25 0x02000000 190#define IFPGA_INTR_bit24 0x01000000 191#define IFPGA_INTR_bit23 0x00800000 192#define IFPGA_INTR_bit22 0x00400000 193 194#define IFPGA_INTR_APCINT 0x00200000 195#define IFPGA_INTR_PCILBINT 0x00100000 196#define IFPGA_INTR_ENUMINT 0x00080000 197#define IFPGA_INTR_DEGINT 0x00040000 198#define IFPGA_INTR_LINT 0x00020000 199#define IFPGA_INTR_PCIINT3 0x00010000 200#define IFPGA_INTR_PCIINT2 0x00008000 201#define IFPGA_INTR_PCIINT1 0x00004000 202#define IFPGA_INTR_PCIINT0 0x00002000 203#define IFPGA_INTR_EXPINT3 0x00001000 204#define IFPGA_INTR_EXPINT2 0x00000800 205#define IFPGA_INTR_EXPINT1 0x00000400 206#define IFPGA_INTR_EXPINT0 0x00000200 207#define IFPGA_INTR_RTCINT 0x00000100 208#define IFPGA_INTR_TIMERINT2 0x00000080 209#define IFPGA_INTR_TIMERINT1 0x00000040 210#define IFPGA_INTR_TIMERINT0 0x00000020 211#define IFPGA_INTR_MOUSEINT 0x00000010 212#define IFPGA_INTR_KBDINT 0x00000008 213#define IFPGA_INTR_UARTINT1 0x00000004 214#define IFPGA_INTR_UARTINT0 0x00000002 215#define IFPGA_INTR_SOFTINT 0x00000001 216 217#if defined(INTEGRATOR_CP) 218#define IFPGA_INTR_HWMASK 0x08bfffff 219#else 220#define IFPGA_INTR_HWMASK 0x003fffff 221#endif 222 223/* ... and the corresponding numbers. */ 224#define IFPGA_INTRNUM_APCINT 21 225#define IFPGA_INTRNUM_PCILBINT 20 226#define IFPGA_INTRNUM_ENUMINT 19 227#define IFPGA_INTRNUM_DEGINT 18 228#define IFPGA_INTRNUM_LINT 17 229#define IFPGA_INTRNUM_PCIINT3 16 230#define IFPGA_INTRNUM_PCIINT2 15 231#define IFPGA_INTRNUM_PCIINT1 14 232#define IFPGA_INTRNUM_PCIINT0 13 233#define IFPGA_INTRNUM_EXPINT3 12 234#define IFPGA_INTRNUM_EXPINT2 11 235#define IFPGA_INTRNUM_EXPINT1 10 236#define IFPGA_INTRNUM_EXPINT0 9 237#define IFPGA_INTRNUM_RTCINT 8 238#define IFPGA_INTRNUM_TIMERINT2 7 239#define IFPGA_INTRNUM_TIMERINT1 6 240#define IFPGA_INTRNUM_TIMERINT0 5 241#define IFPGA_INTRNUM_MOUSEINT 4 242#define IFPGA_INTRNUM_KBDINT 3 243#define IFPGA_INTRNUM_UARTINT1 2 244#define IFPGA_INTRNUM_UARTINT0 1 245#define IFPGA_INTRNUM_SOFTINT 0 246 247#define IFPGA_INTR_STATUS 0x0 /* Offset to status reg */ 248#define IFPGA_INTR_RAWSTAT 0x4 /* Offset to raw reg */ 249#define IFPGA_INTR_ENABLESET 0x8 /* Offset to Enable-Set */ 250#define IFPGA_INTR_ENABLECLR 0xc /* Offset to Enable-Clear */ 251 252#define IFPGA_IRQ0 0x00 253#define IFPGA_IRQ1 0x40 254#define IFPGA_IRQ2 0x80 255#define IFPGA_IRQ3 0xc0 256#define IFPGA_FIQ0 0x20 257#define IFPGA_FIQ1 0x60 258#define IFPGA_FIQ2 0xa0 259#define IFPGA_FIQ3 0xe0 260 261/* Peripheral registers */ 262 263/* Real time clock */ 264 265#define IFPGA_RTC_DR 0x00 266#define IFPGA_RTC_MR 0x04 267#define IFPGA_RTC_STAT 0x08 268#define IFPGA_RTC_EOI 0x08 269#define IFPGA_RTC_LR 0x0c 270#define IFPGA_RTC_CR 0x10 271 272#define IFPGA_RTC_STAT_INT 1 273 274#define IFPGA_RTC_CR_MIE 1 /* Match interrupt enable */ 275 276