block: blk_max_pfn is somtimes wrong

[wrt350n-kernel.git] / include / asm-mips / tx3912.h

/*
 *  include/asm-mips/tx3912.h
 *
 *  Copyright (C) 2001 Steven J. Hill (sjhill@realitydiluted.com)
 *
 * 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.
 *
 *  Registers for TMPR3912/05 and PR31700 processors
 */
#ifndef _TX3912_H_
#define _TX3912_H_

/*****************************************************************************
 *      Clock Subsystem                                                      *
 *      ---------------                                                      *
 *      Chapter 6 in Philips PR31700 and Toshiba TMPR3905/12 User Manuals    *
 *****************************************************************************/
#define TX3912_CLK_CTRL                                 0x01c0

/*
 * Clock control register values
 */
#define TX3912_CLK_CTRL_CHICLKDIV_MASK                  0xff000000
#define TX3912_CLK_CTRL_ENCLKTEST                       0x00800000
#define TX3912_CLK_CTRL_CLKTESTSELSIB                   0x00400000
#define TX3912_CLK_CTRL_CHIMCLKSEL                      0x00200000
#define TX3912_CLK_CTRL_CHICLKDIR                       0x00100000
#define TX3912_CLK_CTRL_ENCHIMCLK                       0x00080000
#define TX3912_CLK_CTRL_ENVIDCLK                        0x00040000
#define TX3912_CLK_CTRL_ENMBUSCLK                       0x00020000
#define TX3912_CLK_CTRL_ENSPICLK                        0x00010000
#define TX3912_CLK_CTRL_ENTIMERCLK                      0x00008000
#define TX3912_CLK_CTRL_ENFASTTIMERCLK                  0x00004000
#define TX3912_CLK_CTRL_SIBMCLKDIR                      0x00002000
#define TX3912_CLK_CTRL_reserved1                       0x00001000
#define TX3912_CLK_CTRL_ENSIBMCLK                       0x00000800
#define TX3912_CLK_CTRL_SIBMCLKDIV_6                    0x00000600
#define TX3912_CLK_CTRL_SIBMCLKDIV_5                    0x00000500
#define TX3912_CLK_CTRL_SIBMCLKDIV_4                    0x00000400
#define TX3912_CLK_CTRL_SIBMCLKDIV_3                    0x00000300
#define TX3912_CLK_CTRL_SIBMCLKDIV_2                    0x00000200
#define TX3912_CLK_CTRL_SIBMCLKDIV_1                    0x00000100
#define TX3912_CLK_CTRL_CSERSEL                         0x00000080
#define TX3912_CLK_CTRL_CSERDIV_6                       0x00000060
#define TX3912_CLK_CTRL_CSERDIV_5                       0x00000050
#define TX3912_CLK_CTRL_CSERDIV_4                       0x00000040
#define TX3912_CLK_CTRL_CSERDIV_3                       0x00000030
#define TX3912_CLK_CTRL_CSERDIV_2                       0x00000020
#define TX3912_CLK_CTRL_CSERDIV_1                       0x00000010
#define TX3912_CLK_CTRL_ENCSERCLK                       0x00000008
#define TX3912_CLK_CTRL_ENIRCLK                         0x00000004
#define TX3912_CLK_CTRL_ENUARTACLK                      0x00000002
#define TX3912_CLK_CTRL_ENUARTBCLK                      0x00000001


/*****************************************************************************
 *      Interrupt Subsystem                                                  *
 *      -------------------                                                  *
 *      Chapter 8 in Philips PR31700 and Toshiba TMPR3905/12 User Manuals    *
 *****************************************************************************/
#define TX3912_INT1_CLEAR                               0x0100
#define TX3912_INT2_CLEAR                               0x0104
#define TX3912_INT3_CLEAR                               0x0108
#define TX3912_INT4_CLEAR                               0x010c
#define TX3912_INT5_CLEAR                               0x0110
#define TX3912_INT1_ENABLE                              0x0118
#define TX3912_INT2_ENABLE                              0x011c
#define TX3912_INT3_ENABLE                              0x0120
#define TX3912_INT4_ENABLE                              0x0124
#define TX3912_INT5_ENABLE                              0x0128
#define TX3912_INT6_ENABLE                              0x012c
#define TX3912_INT1_STATUS                              0x0100
#define TX3912_INT2_STATUS                              0x0104
#define TX3912_INT3_STATUS                              0x0108
#define TX3912_INT4_STATUS                              0x010c
#define TX3912_INT5_STATUS                              0x0110
#define TX3912_INT6_STATUS                              0x0114

/*
 * Interrupt 2 register values
 */
#define TX3912_INT2_UARTARXINT                          0x80000000
#define TX3912_INT2_UARTARXOVERRUNINT                   0x40000000
#define TX3912_INT2_UARTAFRAMEERRINT                    0x20000000
#define TX3912_INT2_UARTABREAKINT                       0x10000000
#define TX3912_INT2_UARTAPARITYINT                      0x08000000
#define TX3912_INT2_UARTATXINT                          0x04000000
#define TX3912_INT2_UARTATXOVERRUNINT                   0x02000000
#define TX3912_INT2_UARTAEMPTYINT                       0x01000000
#define TX3912_INT2_UARTADMAFULLINT                     0x00800000
#define TX3912_INT2_UARTADMAHALFINT                     0x00400000
#define TX3912_INT2_UARTBRXINT                          0x00200000
#define TX3912_INT2_UARTBRXOVERRUNINT                   0x00100000
#define TX3912_INT2_UARTBFRAMEERRINT                    0x00080000
#define TX3912_INT2_UARTBBREAKINT                       0x00040000
#define TX3912_INT2_UARTBPARITYINT                      0x00020000
#define TX3912_INT2_UARTBTXINT                          0x00010000
#define TX3912_INT2_UARTBTXOVERRUNINT                   0x00008000
#define TX3912_INT2_UARTBEMPTYINT                       0x00004000
#define TX3912_INT2_UARTBDMAFULLINT                     0x00002000
#define TX3912_INT2_UARTBDMAHALFINT                     0x00001000
#define TX3912_INT2_UARTA_RX_BITS                       0xf8000000
#define TX3912_INT2_UARTA_TX_BITS                       0x07c00000
#define TX3912_INT2_UARTB_RX_BITS                       0x003e0000
#define TX3912_INT2_UARTB_TX_BITS                       0x0001f000

/*
 * Interrupt 5 register values
 */
#define TX3912_INT5_RTCINT                              0x80000000
#define TX3912_INT5_ALARMINT                            0x40000000
#define TX3912_INT5_PERINT                              0x20000000
#define TX3912_INT5_STPTIMERINT                         0x10000000
#define TX3912_INT5_POSPWRINT                           0x08000000
#define TX3912_INT5_NEGPWRINT                           0x04000000
#define TX3912_INT5_POSPWROKINT                         0x02000000
#define TX3912_INT5_NEGPWROKINT                         0x01000000
#define TX3912_INT5_POSONBUTINT                         0x00800000
#define TX3912_INT5_NEGONBUTINT                         0x00400000
#define TX3912_INT5_SPIBUFAVAILINT                      0x00200000
#define TX3912_INT5_SPIERRINT                           0x00100000
#define TX3912_INT5_SPIRCVINT                           0x00080000
#define TX3912_INT5_SPIEMPTYINT                         0x00040000
#define TX3912_INT5_IRCONSMINT                          0x00020000
#define TX3912_INT5_CARSTINT                            0x00010000
#define TX3912_INT5_POSCARINT                           0x00008000
#define TX3912_INT5_NEGCARINT                           0x00004000
#define TX3912_INT5_IOPOSINT6                           0x00002000
#define TX3912_INT5_IOPOSINT5                           0x00001000
#define TX3912_INT5_IOPOSINT4                           0x00000800
#define TX3912_INT5_IOPOSINT3                           0x00000400
#define TX3912_INT5_IOPOSINT2                           0x00000200
#define TX3912_INT5_IOPOSINT1                           0x00000100
#define TX3912_INT5_IOPOSINT0                           0x00000080
#define TX3912_INT5_IONEGINT6                           0x00000040
#define TX3912_INT5_IONEGINT5                           0x00000020
#define TX3912_INT5_IONEGINT4                           0x00000010
#define TX3912_INT5_IONEGINT3                           0x00000008
#define TX3912_INT5_IONEGINT2                           0x00000004
#define TX3912_INT5_IONEGINT1                           0x00000002
#define TX3912_INT5_IONEGINT0                           0x00000001

/*
 * Interrupt 6 status register values
 */
#define TX3912_INT6_STATUS_IRQHIGH                      0x80000000
#define TX3912_INT6_STATUS_IRQLOW                       0x40000000
#define TX3912_INT6_STATUS_reserved6                    0x3fffffc0
#define TX3912_INT6_STATUS_INTVEC_POSNEGPWROKINT        0x0000003c
#define TX3912_INT6_STATUS_INTVEC_ALARMINT              0x00000038
#define TX3912_INT6_STATUS_INTVEC_PERINT                0x00000034
#define TX3912_INT6_STATUS_INTVEC_reserved5             0x00000030
#define TX3912_INT6_STATUS_INTVEC_UARTARXINT            0x0000002c
#define TX3912_INT6_STATUS_INTVEC_UARTBRXINT            0x00000028
#define TX3912_INT6_STATUS_INTVEC_reserved4             0x00000024
#define TX3912_INT6_STATUS_INTVEC_IOPOSINT65            0x00000020
#define TX3912_INT6_STATUS_INTVEC_reserved3             0x0000001c
#define TX3912_INT6_STATUS_INTVEC_IONEGINT65            0x00000018
#define TX3912_INT6_STATUS_INTVEC_reserved2             0x00000014
#define TX3912_INT6_STATUS_INTVEC_SNDDMACNTINT          0x00000010
#define TX3912_INT6_STATUS_INTVEC_TELDMACNTINT          0x0000000c
#define TX3912_INT6_STATUS_INTVEC_CHIDMACNTINT          0x00000008
#define TX3912_INT6_STATUS_INTVEC_IOPOSNEGINT0          0x00000004
#define TX3912_INT6_STATUS_INTVEC_STDHANDLER            0x00000000
#define TX3912_INT6_STATUS_reserved1                    0x00000003

/*
 * Interrupt 6 enable register values
 */
#define TX3912_INT6_ENABLE_reserved5                    0xfff80000
#define TX3912_INT6_ENABLE_GLOBALEN                     0x00040000
#define TX3912_INT6_ENABLE_IRQPRITEST                   0x00020000
#define TX3912_INT6_ENABLE_IRQTEST                      0x00010000
#define TX3912_INT6_ENABLE_PRIORITYMASK_POSNEGPWROKINT  0x00008000
#define TX3912_INT6_ENABLE_PRIORITYMASK_ALARMINT        0x00004000
#define TX3912_INT6_ENABLE_PRIORITYMASK_PERINT          0x00002000
#define TX3912_INT6_ENABLE_PRIORITYMASK_reserved4       0x00001000
#define TX3912_INT6_ENABLE_PRIORITYMASK_UARTARXINT      0x00000800
#define TX3912_INT6_ENABLE_PRIORITYMASK_UARTBRXINT      0x00000400
#define TX3912_INT6_ENABLE_PRIORITYMASK_reserved3       0x00000200
#define TX3912_INT6_ENABLE_PRIORITYMASK_IOPOSINT65      0x00000100
#define TX3912_INT6_ENABLE_PRIORITYMASK_reserved2       0x00000080
#define TX3912_INT6_ENABLE_PRIORITYMASK_IONEGINT65      0x00000040
#define TX3912_INT6_ENABLE_PRIORITYMASK_reserved1       0x00000020
#define TX3912_INT6_ENABLE_PRIORITYMASK_SNDDMACNTINT    0x00000010
#define TX3912_INT6_ENABLE_PRIORITYMASK_TELDMACNTINT    0x00000008
#define TX3912_INT6_ENABLE_PRIORITYMASK_CHIDMACNTINT    0x00000004
#define TX3912_INT6_ENABLE_PRIORITYMASK_IOPOSNEGINT0    0x00000002
#define TX3912_INT6_ENABLE_PRIORITYMASK_STDHANDLER      0x00000001
#define TX3912_INT6_ENABLE_HIGH_PRIORITY                0x0000ffff


/*****************************************************************************
 *      Power Subsystem                                                      *
 *      ---------------                                                      *
 *      Chapter 11 in Philips PR31700 User Manual                            *
 *      Chapter 12 in Toshiba TMPR3905/12 User Manual                        *
 *****************************************************************************/
#define TX3912_POWER_CTRL                               0x01c4

/*
 * Power control register values
 */
#define TX3912_POWER_CTRL_ONBUTN                        0x80000000
#define TX3912_POWER_CTRL_PWRINT                        0x40000000
#define TX3912_POWER_CTRL_PWROK                         0x20000000
#define TX3912_POWER_CTRL_VIDRF_MASK                    0x18000000
#define TX3912_POWER_CTRL_SLOWBUS                       0x04000000
#define TX3912_POWER_CTRL_DIVMOD                        0x02000000
#define TX3912_POWER_CTRL_reserved2                     0x01ff0000
#define TX3912_POWER_CTRL_STPTIMERVAL_MASK              0x0000f000
#define TX3912_POWER_CTRL_ENSTPTIMER                    0x00000800
#define TX3912_POWER_CTRL_ENFORCESHUTDWN                0x00000400
#define TX3912_POWER_CTRL_FORCESHUTDWN                  0x00000200
#define TX3912_POWER_CTRL_FORCESHUTDWNOCC               0x00000100
#define TX3912_POWER_CTRL_SELC2MS                       0x00000080
#define TX3912_POWER_CTRL_reserved1                     0x00000040
#define TX3912_POWER_CTRL_BPDBVCC3                      0x00000020
#define TX3912_POWER_CTRL_STOPCPU                       0x00000010
#define TX3912_POWER_CTRL_DBNCONBUTN                    0x00000008
#define TX3912_POWER_CTRL_COLDSTART                     0x00000004
#define TX3912_POWER_CTRL_PWRCS                         0x00000002
#define TX3912_POWER_CTRL_VCCON                         0x00000001


/*****************************************************************************
 *      Timer Subsystem                                                      *
 *      ---------------                                                      *
 *      Chapter 14 in Philips PR31700 User Manual                            *
 *      Chapter 15 in Toshiba TMPR3905/12 User Manual                        *
 *****************************************************************************/
#define TX3912_RTC_HIGH                                 0x0140
#define TX3912_RTC_LOW                                  0x0144
#define TX3912_RTC_ALARM_HIGH                           0x0148
#define TX3912_RTC_ALARM_LOW                            0x014c
#define TX3912_TIMER_CTRL                               0x0150
#define TX3912_TIMER_PERIOD                             0x0154

/*
 * Timer control register values
 */
#define TX3912_TIMER_CTRL_FREEZEPRE                     0x00000080
#define TX3912_TIMER_CTRL_FREEZERTC                     0x00000040
#define TX3912_TIMER_CTRL_FREEZETIMER                   0x00000020
#define TX3912_TIMER_CTRL_ENPERTIMER                    0x00000010
#define TX3912_TIMER_CTRL_RTCCLEAR                      0x00000008
#define TX3912_TIMER_CTRL_TESTC8MS                      0x00000004
#define TX3912_TIMER_CTRL_ENTESTCLK                     0x00000002
#define TX3912_TIMER_CTRL_ENRTCTST                      0x00000001

/*
 * The periodic timer has granularity of 868 nanoseconds which
 * results in a count of (1.152 x 10^6 / 100) in order to achieve
 * a 10 millisecond periodic system clock.
 */
#define TX3912_SYS_TIMER_VALUE                          (1152000/HZ)


/*****************************************************************************
 *      UART Subsystem                                                       *
 *      --------------                                                       *
 *      Chapter 15 in Philips PR31700 User Manual                            *
 *      Chapter 16 in Toshiba TMPR3905/12 User Manual                        *
 *****************************************************************************/
#define TX3912_UARTA_CTRL1                              0x00b0
#define TX3912_UARTA_CTRL2                              0x00b4
#define TX3912_UARTA_DMA_CTRL1                          0x00b8
#define TX3912_UARTA_DMA_CTRL2                          0x00bc
#define TX3912_UARTA_DMA_CNT                            0x00c0
#define TX3912_UARTA_DATA                               0x00c4
#define TX3912_UARTB_CTRL1                              0x00c8
#define TX3912_UARTB_CTRL2                              0x00cc
#define TX3912_UARTB_DMA_CTRL1                          0x00d0
#define TX3912_UARTB_DMA_CTRL2                          0x00d4
#define TX3912_UARTB_DMA_CNT                            0x00d8
#define TX3912_UARTB_DATA                               0x00dc

/*
 * UART Control Register 1 values
 */
#define TX3912_UART_CTRL1_UARTON                        0x80000000
#define TX3912_UART_CTRL1_EMPTY                         0x40000000
#define TX3912_UART_CTRL1_PRXHOLDFULL                   0x20000000
#define TX3912_UART_CTRL1_RXHOLDFULL                    0x10000000
#define TX3912_UART_CTRL1_reserved1                     0x0fff0000
#define TX3912_UART_CTRL1_ENDMARX                       0x00008000
#define TX3912_UART_CTRL1_ENDMATX                       0x00004000
#define TX3912_UART_CTRL1_TESTMODE                      0x00002000
#define TX3912_UART_CTRL1_ENBREAKHALT                   0x00001000
#define TX3912_UART_CTRL1_ENDMATEST                     0x00000800
#define TX3912_UART_CTRL1_ENDMALOOP                     0x00000400
#define TX3912_UART_CTRL1_PULSEOPT1                     0x00000200
#define TX3912_UART_CTRL1_PULSEOPT1                     0x00000100
#define TX3912_UART_CTRL1_DTINVERT                      0x00000080
#define TX3912_UART_CTRL1_DISTXD                        0x00000040
#define TX3912_UART_CTRL1_TWOSTOP                       0x00000020
#define TX3912_UART_CTRL1_LOOPBACK                      0x00000010
#define TX3912_UART_CTRL1_BIT_7                         0x00000008
#define TX3912_UART_CTRL1_EVENPARITY                    0x00000004
#define TX3912_UART_CTRL1_ENPARITY                      0x00000002
#define TX3912_UART_CTRL1_ENUART                        0x00000001

/*
 * UART Control Register 2 values
 */
#define TX3912_UART_CTRL2_B230400                       0x0000  /*   0 */
#define TX3912_UART_CTRL2_B115200                       0x0001  /*   1 */
#define TX3912_UART_CTRL2_B76800                        0x0002  /*   2 */
#define TX3912_UART_CTRL2_B57600                        0x0003  /*   3 */
#define TX3912_UART_CTRL2_B38400                        0x0005  /*   5 */
#define TX3912_UART_CTRL2_B19200                        0x000b  /*  11 */
#define TX3912_UART_CTRL2_B9600                         0x0016  /*  22 */
#define TX3912_UART_CTRL2_B4800                         0x002f  /*  47 */
#define TX3912_UART_CTRL2_B2400                         0x005f  /*  95 */
#define TX3912_UART_CTRL2_B1200                         0x00bf  /* 191 */
#define TX3912_UART_CTRL2_B600                          0x017f  /* 383 */
#define TX3912_UART_CTRL2_B300                          0x02ff  /* 767 */

/*****************************************************************************
 *      Video Subsystem                                                      *
 *      ---------------                                                      *
 *      Chapter 16 in Philips PR31700 User Manual                            *
 *      Chapter 17 in Toshiba TMPR3905/12 User Manual                        *
 *****************************************************************************/
#define TX3912_VIDEO_CTRL1                              0x0028
#define TX3912_VIDEO_CTRL2                              0x002c
#define TX3912_VIDEO_CTRL3                              0x0030
#define TX3912_VIDEO_CTRL4                              0x0034
#define TX3912_VIDEO_CTRL5                              0x0038
#define TX3912_VIDEO_CTRL6                              0x003c
#define TX3912_VIDEO_CTRL7                              0x0040
#define TX3912_VIDEO_CTRL8                              0x0044
#define TX3912_VIDEO_CTRL9                              0x0048
#define TX3912_VIDEO_CTRL10                             0x004c
#define TX3912_VIDEO_CTRL11                             0x0050
#define TX3912_VIDEO_CTRL12                             0x0054
#define TX3912_VIDEO_CTRL13                             0x0058
#define TX3912_VIDEO_CTRL14                             0x005c

/*
 * Video Control Register 1 values
 */
#define TX3912_VIDEO_CTRL1_LINECNT                      0xffc00000
#define TX3912_VIDEO_CTRL1_LOADDLY                      0x00200000
#define TX3912_VIDEO_CTRL1_BAUDVAL                      0x001f0000
#define TX3912_VIDEO_CTRL1_VIDDONEVAL                   0x0000fe00
#define TX3912_VIDEO_CTRL1_ENFREEZEFRAME                0x00000100
#define TX3912_VIDEO_CTRL1_BITSEL_MASK                  0x000000c0
#define TX3912_VIDEO_CTRL1_BITSEL_8BIT_COLOR            0x000000c0
#define TX3912_VIDEO_CTRL1_BITSEL_4BIT_GRAY             0x00000080
#define TX3912_VIDEO_CTRL1_BITSEL_2BIT_GRAY             0x00000040
#define TX3912_VIDEO_CTRL1_DISPSPLIT                    0x00000020
#define TX3912_VIDEO_CTRL1_DISP8                        0x00000010
#define TX3912_VIDEO_CTRL1_DFMODE                       0x00000008
#define TX3912_VIDEO_CTRL1_INVVID                       0x00000004
#define TX3912_VIDEO_CTRL1_DISPON                       0x00000002
#define TX3912_VIDEO_CTRL1_ENVID                        0x00000001

#endif  /* _TX3912_H_ */