8442 uts: startup_bios_disk() should check for BIOS

[unleashed.git] / include / sys / lom_ebuscodes.h

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1999-2002 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_LOM_EBUSCODES_H
#define _SYS_LOM_EBUSCODES_H

#pragma ident   "%Z%%M% %I%     %E% SMI"

/*
 * This file enumerates the virtual registers exported by the microcontroller.
 * It cannot be changed without also revising the firwmare.
 */

#ifdef __cplusplus
extern "C" {
#endif

#define EBUS_CMD_SPACE_GENERIC  0x00    /* generic space */
#define EBUS_CMD_SPACE1         0x01    /* space 1 - console buffer or  */
                                        /* boot script                  */
#define EBUS_CMD_SPACE2         0x02    /* space 2 - supply rail data */
#define EBUS_CMD_SPACE3         0x03    /* space 3 - circuit breaker data */
#define EBUS_CMD_SPACE4         0x04    /* space 4 - fan data */
#define EBUS_CMD_SPACE5         0x05    /* space 5 - temp/otemp sensor data */
#define EBUS_CMD_SPACE6         0x06    /* space 6 - phone-home config */
#define EBUS_CMD_SPACE_PROGRAM  0x07    /* space 7 - send a program */
#define EBUS_CMD_SPACE_EEPROM   0x08    /* space 8 - eeprom/event-log access */
#define EBUS_CMD_SPACE_SELFTEST 0x09    /* space 9 - selftest control */
#define EBUS_CMD_SPACE_LEDS     0x0a    /* space 10 - LED name access */

/*
 * Read only values
 */
#define EBUS_IDX_FW_REV         0x01    /* Firmware Revision */
#define EBUS_IDX_CHECK_HI       0x02    /* Firmware checksum high */
#define EBUS_IDX_CHECK_LO       0x03    /* Firmware checksum low */
#define EBUS_IDX_FAN1_SPEED     0x04    /* Fan 1 current speed % of max */
#define EBUS_IDX_FAN2_SPEED     0x05    /* Fan 2 current speed % of max */
#define EBUS_IDX_FAN3_SPEED     0x06    /* Fan 3 current speed % of max */
#define EBUS_IDX_FAN4_SPEED     0x07    /* Fan 4 current speed % of max */
#define EBUS_IDX_PSU1_STAT      0x08    /* PSU 1 status */
#define EBUS_IDX_PSU2_STAT      0x09    /* PSU 2 status */
#define EBUS_IDX_PSU3_STAT      0x0a    /* PSU 3 status */
#define EBUS_IDX_STATE_CHNG     0x0b    /* State change flags */
#define EBUS_IDX_GPIP           0x0c    /* General purpose inputs */

/* RESERVED                     0x0d    */
/* RESERVED                     0x0e    */
/* RESERVED                     0x0f    */
#define EBUS_IDX_LOG_START_HI   0x10    /* MSB of start of eventlog in eeprom */
#define EBUS_IDX_LOG_START_LO   0x11    /* LSB of start of eventlog in eeprom */
#define EBUS_IDX_LOG_PTR_HI     0x12    /* MSB of current position in log */
#define EBUS_IDX_LOG_PTR_LO     0x13    /* LSB of current position in log */

/*
 * We currently don't have a virtual register to indicate the end of the log.
 * We cannot assume the log runs to the end of the EEPROM because the EEPROM
 * is logically partitioned into a Log portion (first 8K) and then a FRUID
 * portion (next 8K).  For the moment we therefore need to use a hardcoded
 * value to represent the end of the event log.
 */
#define EBUS_LOG_END            0x2000

#define EBUS_IDX_EEPROM_SIZE_KB 0x14    /* Size of eeprom in kilobytes */
#define EBUS_IDX_UNREAD_EVENTS  0x15    /* Number of events (un)read by host */
/* RESERVED                     0x16    */
/* RESERVED                     0x17    */

#define EBUS_IDX_TEMP1          0x18    /* Temperature sensors */
#define EBUS_IDX_TEMP2          0x19
#define EBUS_IDX_TEMP3          0x1A
#define EBUS_IDX_TEMP4          0x1B
#define EBUS_IDX_TEMP5          0x1C
#define EBUS_IDX_TEMP6          0x1D
#define EBUS_IDX_TEMP7          0x1E
#define EBUS_IDX_TEMP8          0x1F

#define EBUS_IDX_ALARMNEW       0x20
#define EBUS_IDX_SUPPLY_LO      0x21    /* 1 bit per voltage line status */
#define EBUS_IDX_SUPPLY_HI      0x22    /* whether faulty or not; 1=>faulty */
#define EBUS_IDX_CBREAK_STATUS  0x23
#define EBUS_IDX_OTEMP_STATUS   0x24

#define EBUS_IDX_LED1_STATUS    0x25
#define EBUS_IDX_LED2_STATUS    0x26
#define EBUS_IDX_LED3_STATUS    0x27
#define EBUS_IDX_LED4_STATUS    0x28
#define EBUS_IDX_LED5_STATUS    0x29
#define EBUS_IDX_LED6_STATUS    0x2a
#define EBUS_IDX_LED7_STATUS    0x2b
#define EBUS_IDX_LED8_STATUS    0x2c
/* RESERVED                     0x2d    */

#define EBUS_IDX_CPU_IDENT      0x2e
#define EBUS_IDX_EVENT_DETAIL   0x2f

/*
 * Read/write access registers
 */
#define EBUS_IDX_ALARM          0x30    /* Alarm control/status */
#define EBUS_IDX_WDOG_CTRL      0x31    /* Watchdog control */
#define EBUS_IDX_WDOG_TIME      0x32    /* Watchdog timeout */

#define EBUS_IDX_SER_BAUD       0x33
#define EBUS_IDX_SER_CHARMODE   0x34
#define EBUS_IDX_SER_FLOWCTL    0x35
#define EBUS_IDX_SER_MODEMTYPE  0x36
#define EBUS_IDX_EEPROM_PAGESEL 0x37

#define EBUS_IDX_HNAME_LENGTH   0x38
#define EBUS_IDX_HNAME_CHAR     0x39

#define EBUS_IDX_CONFIG_MISC    0x3a    /* Host specific configuration */

#define EBUS_IDX_TIME0          0x3b
#define EBUS_IDX_TIME1          0x3c
#define EBUS_IDX_TIME2          0x3d
#define EBUS_IDX_TIME3          0x3e

#define EBUS_IDX_ESCAPE         0x3f    /* Escape character, default '#' */
#define EBUS_IDX_EVENT_CNT      0x40    /* Number of unread (via EBus) events */

#define EBUS_IDX_SELFTEST0      0x41
#define EBUS_IDX_SELFTEST1      0x42
#define EBUS_IDX_SELFTEST2      0x43
#define EBUS_IDX_SELFTEST3      0x44
#define EBUS_IDX_SELFTEST4      0x45
#define EBUS_IDX_SELFTEST5      0x46
#define EBUS_IDX_SELFTEST6      0x47
#define EBUS_IDX_SELFTEST7      0x48

#define EBUS_IDX_ESCAPE_LEN     0x49
#define EBUS_IDX_SER_TIMEOUT    0x4a
#define EBUS_IDX_EVENT_FILTER   0x4b
#define EBUS_IDX_POWERON_DELAY  0x4c

#define EBUS_IDX_BOOTMODE       0x4d    /* boot-mode for PROM */

#define EBUS_IDX_I2C_HOLDOFF    0x4e    /* hold off i2c bus while obp starts */
/* RESERVED                     0x4f    */

#define EBUS_IDX_MODEL_ID1      0x50    /* Model identifier */
#define EBUS_IDX_MODEL_ID2      0x51
#define EBUS_IDX_MODEL_ID3      0x52
#define EBUS_IDX_MODEL_ID4      0x53
#define EBUS_IDX_MODEL_ID5      0x54
#define EBUS_IDX_MODEL_ID6      0x55
#define EBUS_IDX_MODEL_ID7      0x56
#define EBUS_IDX_MODEL_ID8      0x57
#define EBUS_IDX_MODEL_ID9      0x58
#define EBUS_IDX_MODEL_ID10     0x59
#define EBUS_IDX_MODEL_ID11     0x5a
#define EBUS_IDX_MODEL_ID12     0x5b
#define EBUS_IDX_MODEL_REV      0x5c    /* Model Revision */

#define EBUS_IDX_CONFIG         0x5d    /* Model specific configuration */
#define EBUS_IDX_FAN1_CAL       0x5e    /* Fan 1 calibration value */
#define EBUS_IDX_FAN2_CAL       0x5f    /* Fan 2 calibration value */
#define EBUS_IDX_FAN3_CAL       0x60    /* Fan 3 calibration value */
#define EBUS_IDX_FAN4_CAL       0x61    /* Fan 4 calibration value */
#define EBUS_IDX_FAN1_LOW       0x62    /* Fan 1 low limit */
#define EBUS_IDX_FAN2_LOW       0x63    /* Fan 2 low limit */
#define EBUS_IDX_FAN3_LOW       0x64    /* Fan 3 low limit */
#define EBUS_IDX_FAN4_LOW       0x65    /* Fan 4 low limit */

#define EBUS_IDX_CONFIG2        0x66    /* Model specific configuration */
#define EBUS_IDX_CONFIG3        0x67    /* Model specific configuration */

#define EBUS_IDX_HOSTID1        0X68    /* Host ID, MSB */
#define EBUS_IDX_HOSTID2        0X69    /* Host ID */
#define EBUS_IDX_HOSTID3        0X6a    /* Host ID */
#define EBUS_IDX_HOSTID4        0X6b    /* Host ID */

/* RESERVED                     0x6c    */
/* RESERVED                     0x6d    */
/* RESERVED                     0x6e    */
/* RESERVED                     0x6f    */
/* RESERVED                     0x70    */
/* RESERVED                     0x71    */
/* RESERVED                     0x72    */
/* RESERVED                     0x73    */
/* RESERVED                     0x74    */
/* RESERVED                     0x75    */
/* RESERVED                     0x76    */
/* RESERVED                     0x77    */
/* RESERVED                     0x78    */
/* RESERVED                     0x79    */
/* RESERVED                     0x7a    */

/*
 * Capability bits:
 *
 * Register starting from 0x7e and downward are used to describe various
 * capabilities that the LOM firmware has.  A capability is present if the
 * corresponding bit returns '1'.
 */
#define EBUS_IDX_CAP2           0x7b    /* Capabilities - Read only */
#define EBUS_IDX_CAP1           0x7c    /* Capabilities - Read only */
#define EBUS_IDX_CAP0           0x7d    /* Capabilities - Read only */

#define EBUS_IDX_PROBE55        0x7e    /* Always returns 0x55 */
#define EBUS_IDX_PROBEAA        0x7f    /* Always returns 0xaa */

#define EBUS_FIRST_READONLY     EBUS_IDX_FW_REV
#define EBUS_LAST_READONLY      EBUS_IDX_EVENT_DETAIL
#define EBUS_FIRST_MODELLOCKED  EBUS_IDX_MODEL_ID1
#define EBUS_LAST_MODELLOCKED   EBUS_IDX_CONFIG3

/*
 * Register for special address spaces
 */
#define EBUS_IDX1_CONS_BUF_START        0x00
#define EBUS_IDX1_CONS_BUF_END          0xff

#define EBUS_IDX2_SUPPLY_ENABLE_MASK1   0x01
#define EBUS_IDX2_SUPPLY_ENABLE_MASK2   0x02
#define EBUS_IDX2_SUPPLY_FATAL_MASK1    0x03
#define EBUS_IDX2_SUPPLY_FATAL_MASK2    0x04
#define EBUS_IDX2_SUPPLY_FINE_TOL       0x05
#define EBUS_IDX2_SUPPLY_GROSS_TOL      0x06
#define EBUS_IDX2_SUPPLY_READING1       0x10
#define EBUS_IDX2_SUPPLY_READING2       0x11
#define EBUS_IDX2_SUPPLY_READING3       0x12
#define EBUS_IDX2_SUPPLY_READING4       0x13
#define EBUS_IDX2_SUPPLY_READING5       0x14
#define EBUS_IDX2_SUPPLY_READING6       0x15
#define EBUS_IDX2_SUPPLY_READING7       0x16
#define EBUS_IDX2_SUPPLY_READING8       0x17
#define EBUS_IDX2_SUPPLY_READING9       0x18
#define EBUS_IDX2_SUPPLY_READING10      0x19
#define EBUS_IDX2_SUPPLY_READING11      0x1a
#define EBUS_IDX2_SUPPLY_READING12      0x1b
#define EBUS_IDX2_SUPPLY_READING13      0x1c
#define EBUS_IDX2_SUPPLY_READING14      0x1d
#define EBUS_IDX2_SUPPLY_READING15      0x1e
#define EBUS_IDX2_SUPPLY_READING16      0x1f
#define EBUS_IDX2_SUPPLY_CAL1           0x20
#define EBUS_IDX2_SUPPLY_CAL2           0x21
#define EBUS_IDX2_SUPPLY_CAL3           0x22
#define EBUS_IDX2_SUPPLY_CAL4           0x23
#define EBUS_IDX2_SUPPLY_CAL5           0x24
#define EBUS_IDX2_SUPPLY_CAL6           0x25
#define EBUS_IDX2_SUPPLY_CAL7           0x26
#define EBUS_IDX2_SUPPLY_CAL8           0x27
#define EBUS_IDX2_SUPPLY_CAL9           0x28
#define EBUS_IDX2_SUPPLY_CAL10          0x29
#define EBUS_IDX2_SUPPLY_CAL11          0x2a
#define EBUS_IDX2_SUPPLY_CAL12          0x2b
#define EBUS_IDX2_SUPPLY_CAL13          0x2c
#define EBUS_IDX2_SUPPLY_CAL14          0x2d
#define EBUS_IDX2_SUPPLY_CAL15          0x2e
#define EBUS_IDX2_SUPPLY_CAL16          0x2f
#define EBUS_IDX2_SUPPLY_NAME_START     0x40
#define EBUS_IDX2_SUPPLY_NAME_END       0xff

#define EBUS_IDX3_BREAKER_ENABLE_MASK   0x01
#define EBUS_IDX3_BREAKER_NAME_START    0x40
#define EBUS_IDX3_BREAKER_NAME_END      0xff

#define EBUS_IDX4_TEMP_ENABLE_MASK      0x01
#define EBUS_IDX4_OTEMP_ENABLE_MASK     0x02
#define EBUS_IDX4_TEMP_FATAL_MASK       0x03
#define EBUS_IDX4_OTEMP_FATAL_MASK      0x04
#define EBUS_IDX4_TEMP_HYSTERESIS       0x05
#define EBUS_IDX4_TEMP_FAN_LINK_MASK    0x06
#define EBUS_IDX4_TEMP_WARN1            0x10    /* Temp warning levels */
#define EBUS_IDX4_TEMP_WARN2            0x11
#define EBUS_IDX4_TEMP_WARN3            0x12
#define EBUS_IDX4_TEMP_WARN4            0x13
#define EBUS_IDX4_TEMP_WARN5            0x14
#define EBUS_IDX4_TEMP_WARN6            0x15
#define EBUS_IDX4_TEMP_WARN7            0x16
#define EBUS_IDX4_TEMP_WARN8            0x17
#define EBUS_IDX4_TEMP_SDOWN1           0x18    /* Temp shutdown levels */
#define EBUS_IDX4_TEMP_SDOWN2           0x19
#define EBUS_IDX4_TEMP_SDOWN3           0x1a
#define EBUS_IDX4_TEMP_SDOWN4           0x1b
#define EBUS_IDX4_TEMP_SDOWN5           0x1c
#define EBUS_IDX4_TEMP_SDOWN6           0x1d
#define EBUS_IDX4_TEMP_SDOWN7           0x1e
#define EBUS_IDX4_TEMP_SDOWN8           0x1f
#define EBUS_IDX4_TEMP_CORRECT1         0x20    /* Temp warning levels */
#define EBUS_IDX4_TEMP_CORRECT2         0x21
#define EBUS_IDX4_TEMP_CORRECT3         0x22
#define EBUS_IDX4_TEMP_CORRECT4         0x23
#define EBUS_IDX4_TEMP_CORRECT5         0x24
#define EBUS_IDX4_TEMP_CORRECT6         0x25
#define EBUS_IDX4_TEMP_CORRECT7         0x26
#define EBUS_IDX4_TEMP_CORRECT8         0x27
#define EBUS_IDX4_TEMP_NAME_START       0x40
#define EBUS_IDX4_TEMP_NAME_END         0xff

#define EBUS_IDX5_FAN_ENABLE_CONFIG     0x01
#define EBUS_IDX5_FAN_NAME_START        0x40
#define EBUS_IDX5_FAN_NAME_END          0xff

#define EBUS_IDX10_LED_NAME_START       0x40
#define EBUS_IDX10_LED_NAME_END         0xff

/*
 * This arrangement for CPU signatures allows only one CPU to generate a
 * CPU Signature at a time.  Since the signature won't fit into one byte
 * it is recommended to datafill the MSB, LSB, STATE, SUBSTATE first, and
 * then write the ID.  A one byte ID limits the number of CPUs to 255.
 * CPU 255 is handled specially; it denotes that the signature applies to
 * "all", or rather "any" CPU ID.
 */

#define EBUS_ANY_CPU_ID         255

#define EBUS_IDX11_CPU_ID       0x01    /* CPU with signature pending */
#define EBUS_IDX11_CPU_SIG_MSB  0x02    /* MSB of sig */
#define EBUS_IDX11_CPU_SIG_LSB  0x03    /* LSB of sig */
#define EBUS_IDX11_CPU_STATE    0x04    /* state of sig */
#define EBUS_IDX11_CPU_SUBSTATE 0x05    /* sub-state of sig */

/*
 * OBP-defined reset reasons.  Solaris never generates these.
 */
#define EBUS_IDX11_HOST_RESET_REASON    0x07
#define RESET_REASON_HOST       0x01    /* host reset itself */
#define RESET_REASON_LOM        0x02    /* lom CLI or SSP request */
#define RESET_REASON_ASR        0x04    /* watchdog or cpusig timeout */

/*
 * I2C Transfers can be done using the BSC as a proxy.  We transfer data at
 * the conceptual level of struct i2c_transfer defined by the i2c services
 * framework in Solaris.
 */

/*
 * TRANSFER_TYPE mirrors the i2c_transfer.i2c_flags used in Solaris i2c
 * services framework.
 */
#define EBUS_I2C_WR             0x01 /* write */
#define EBUS_I2C_RD             0x02 /* read */
#define EBUS_I2C_WR_RD          0x04 /* write then read */

/*
 * RESULT mirrors the i2c_transfer.i2c_result used the Solaris i2c services
 * framework.
 */
#define EBUS_I2C_SUCCESS                0x00
#define EBUS_I2C_FAILURE                0xFF
#define EBUS_I2C_INCOMPLETE             0xFE


#define EBUS_IDX12_MAX_TRANSFER_SZ      0x01
#define EBUS_IDX12_BUS_ADDRESS          0x02
#define EBUS_IDX12_CLIENT_ADDRESS       0x03
#define EBUS_IDX12_WR_RD_BOUNDARY       0x04
#define EBUS_IDX12_TRANSFER_TYPE        0x05
#define EBUS_IDX12_RESIDUAL_DATA        0x06
#define EBUS_IDX12_DATA_INOUT           0x07
#define EBUS_IDX12_RESULT               0x08

#define EBUS_IDX12_TRANSACTION_LOCK     0x09    /* 1=> lock out i2c devices  */
                                                /* so multi i2c transactions */
                                                /* can complete atomically   */

#define EBUS_PROGRAM_PCSR                       0x01
#define EBUS_PROGRAM_PCR_RSVD                   0x00
#define EBUS_PROGRAM_PCR_READ                   0x02
#define EBUS_PROGRAM_PCR_PRGMODE_ON             0x03
#define EBUS_PROGRAM_PCR_ERASE                  0x04
#define EBUS_PROGRAM_PCR_PROGRAM                0x05
#define EBUS_PROGRAM_PCR_PRSVD                  0x06
#define EBUS_PROGRAM_PCR_PRGMODE_OFF            0x07
#define EBUS_PROGRAM_PCR_PROGOFF_JUMPTOADDR     0x08
#define EBUS_PROGRAM_PSR_SUCCESS                0x00
#define EBUS_PROGRAM_PSR_PROGRAM_FAIL           0x01
#define EBUS_PROGRAM_PSR_ERASE_FAIL             0x02
#define EBUS_PROGRAM_PSR_INVALID_AREA           0x03
#define EBUS_PROGRAM_PSR_INCORRECT_CSUM         0x04
#define EBUS_PROGRAM_PSR_INCORRECT_COUNT        0x05
#define EBUS_PROGRAM_PSR_INVALID_OPERATION      0x06
#define EBUS_PROGRAM_PSR_STATUS_MASK            0x7f
#define EBUS_PROGRAM_PSR_PROG_MODE              0x80
#define EBUS_PROGRAM_DATA                       0x02
#define EBUS_PROGRAM_PCSM0                      0x03 /* MSB of checksum data */
#define EBUS_PROGRAM_PCSM1                      0x04
#define EBUS_PROGRAM_PADR0                      0x05 /* MSB of addr */
#define EBUS_PROGRAM_PADR1                      0x06
#define EBUS_PROGRAM_PADR2                      0x07
#define EBUS_PROGRAM_PADR3                      0x08
#define EBUS_PROGRAM_PSIZ0                      0x09 /* MSB of size */
#define EBUS_PROGRAM_PSIZ1                      0x0a
#define EBUS_PROGRAM_PSIZ2                      0x0b
#define EBUS_PROGRAM_PSIZ3                      0x0c
#define EBUS_PROGRAM_PAGE0                      0x0d /* MSB of ROM page size */
#define EBUS_PROGRAM_PAGE1                      0x0e
#define EBUS_PROGRAM_PAGE2                      0x0f
#define EBUS_PROGRAM_PAGE3                      0x10

/*
 * Command register and codes
 */

#define EBUS_IDX_CMD_RES        0x00    /* Command/Result register */
#define EBUS_CMD_CODE_CHK       'C'     /* Recheck alarm conditions */
#define EBUS_CMD_CODE_CLR       'E'     /* Clear event log */
#define EBUS_CMD_UNLOCK1        'M'     /* Model Unlock step 1 */
#define EBUS_CMD_UNLOCK2        'u'     /* Model Unlock step 2 */
#define EBUS_CMD_POWERINGOFF    'P'     /* host sends before powering off */
#define EBUS_CMD_RESETTING      'R'     /* host sends before resetting self */
#define EBUS_CMD_CONLOG_ON      'F'
#define EBUS_CMD_CONLOG_OFF     'D'
#define EBUS_CMD_INTERRUPTS_ON  'i'
#define EBUS_CMD_INTERRUPTS_OFF 'I'
#define EBUS_CMD_DOG_PAT        'W'      /* Host pats it's watchdog */
#define EBUS_CMD_PROG_START     'z'


/*
 * space 11 - CPU signatures and OBP reset information.
 */
#define EBUS_CMD_SPACE_CPUSIG   0x0b
#define EBUS_CMD_SPACE_I2C      0x0c    /* space 12 - I2C transfers */
#define EBUS_CMD_SPACE13        0x0d
#define EBUS_CMD_SPACE14        0x0e
#define EBUS_CMD_SPACE15        0x0f

#define EBUS_MAX_ADDRESS_SPACES 64  /* as defined by the protocol elsewhere */

/*
 * Number of unread events flag
 */
#define EBUS_EVENT_CNT_CLEAR    0x80    /* Event log cleared since last read */

/*
 * Prom boot mode parameters
 */
#define EBUS_BOOTMODE_FORCE_CONSOLE     0x01
#define EBUS_BOOTMODE_FORCE_NOBOOT      0x02
#define EBUS_BOOTMODE_RESET_DEFAULT     0x04
#define EBUS_BOOTMODE_FULLDIAG          0x08
#define EBUS_BOOTMODE_SKIPDIAG          0x10

/*
 * Configuration register
 */
#define EBUS_CONFIG_NFAN_DEC(n) (((n)>>5)&0x7)  /* Extract no. of fans */
#define EBUS_CONFIG_NFAN_ENC(n) (((n)&0x7)<<5)  /* Insert no. of fans */
#define EBUS_CONFIG_NPSU_DEC(n) (((n)>>3)&0x3)  /* Extract no. of PSUs */
#define EBUS_CONFIG_NPSU_ENC(n) (((n)&0x3)<<3)  /* Insert no. of PSUs */
#define EBUS_CONFIG_TTY_CON     0x04    /* Set if TTY/LOM switchable */
#define EBUS_CONFIG_STEADY_LED  0x02    /* Set to stop LED flashing */
#define EBUS_CONFIG_USER_LOG    0x01    /* log user operations */

/*
 * Configuration register 2
 */
#define EBUS_CONFIG2_NTEMP_DEC(n)       (((n)>>4)&0xf)
#define EBUS_CONFIG2_NTEMP_ENC(n)       (((n)&0xf)<<4)
#define EBUS_CONFIG2_NSUPPLY_DEC(n)     ((n)&0xf)
#define EBUS_CONFIG2_NSUPPLY_ENC(n)     ((n)&0xf)

/*
 * Configuration register 3
 */
#define EBUS_CONFIG3_NOTEMP_DEC(n)      (((n)>>4)&0xf)
#define EBUS_CONFIG3_NOTEMP_ENC(n)      (((n)&0xf)<<4)
#define EBUS_CONFIG3_NBREAKERS_DEC(n)   ((n)&0xf)
#define EBUS_CONFIG3_NBREAKERS_ENC(n)   ((n)&0xf)

/*
 * Miscellaneous host configuration register
 */
#define EBUS_CONFIG_MISC_PSUIPFAILEVENTS        0x80
#define EBUS_CONFIG_MISC_DELAYED_STARTUP        0x40
#define EBUS_CONFIG_MISC_RANDOM_DELAY           0x20
#define EBUS_CONFIG_MISC_DECLINE_STARTUP        0x10
#define EBUS_CONFIG_MISC_ALARM0_ENABLED         0x08
#define EBUS_CONFIG_MISC_PHONEHOME_ENABLED      0x04
#define EBUS_CONFIG_MISC_SECURITY_ENABLED       0x02
#define EBUS_CONFIG_MISC_AUTO_CONSOLE           0x01

/*
 * Alarm control/status register
 */
#define EBUS_ALARM_LED_DEC(n)   (((n)>>4)&0xf)  /* Extract LED Hz */
#define EBUS_ALARM_LED_ENC(n)   (((n)&0xf)<<4)  /* Insert LED Hz */
#define EBUS_ALARM_NOEVENTS     0x08    /* No serial event reports */
#define EBUS_ALARM_ENABLE3      0x04    /* Alarm 3 enable */
#define EBUS_ALARM_ENABLE2      0x02    /* Alarm 2 enable */
#define EBUS_ALARM_ENABLE1      0x01    /* Alarm 1 enable */

/*
 * General Channel Watchdog control
 */
#define EBUS_WDOG_BREAK_DISABLE 0x10    /* Set if wdog disabled if break seen */
#define EBUS_WDOG_AL3_FANPSU    0x08    /* Set if fan/PSU errors set AL3 */
#define EBUS_WDOG_AL3_WDOG      0x04    /* Set if wdog timeouts set AL3 */
#define EBUS_WDOG_RST           0x02    /* Reset host on expiry */
#define EBUS_WDOG_ENABLE        0x01    /* Enable host WDOG */

/*
 * Watchdog channel non-blocking byte
 * Top nibble command, bottom nibble data
 */
#define EBUS_WDOG_NB_PAT                0x00
#define EBUS_WDOG_NB_PAT_SEQ_MASK       0x0F    /* Sequence number */
#define EBUS_WDOG_NB_CFG                0x10
#define EBUS_WDOG_NB_CFG_ENB            0x01    /* enable/disable wdog */

/*
 * PSU status
 */
#define EBUS_PSU_INPUTA         0x01    /* Input A OK */
#define EBUS_PSU_INPUTB         0x02    /* Input B OK */
#define EBUS_PSU_OUTPUT         0x04    /* Output OK */
#define EBUS_PSU_PRESENT        0x08    /* PSU is present */
#define EBUS_PSU_STANDBY        0x10    /* PSU is in standby */

/*
 * State change flags
 */
#define EBUS_STATE_TEMPERATURE  0x80    /* a temperature was exceeded */
#define EBUS_STATE_RAIL         0x40    /* a supply rail failed */
#define EBUS_STATE_EVENT        0x20    /* An event has been logged */
#define EBUS_STATE_CB           0x10    /* A circuit breaker failed */
#define EBUS_STATE_GP           0x08    /* A GP input has changed */
#define EBUS_STATE_PSU          0x04    /* A PSU state has changed */
#define EBUS_STATE_FAN          0x02    /* A fan speed has changed */


/*
 * Bit-0 is overloaded.  It is used by the BSC to notify of a status change
 * The detail field will then be one of EBUS_DETAIL_XXXX.  Otherwise, it's used
 * to indicate that an Alarm state has changed.  The detail field would then
 * be the alarm number.
 */
#define EBUS_STATE_ALARM        0x01    /* An alarm state has changed */
#define EBUS_STATE_NOTIFY       0x01    /* BSC state changes */

/*
 * State Notify detail values
 */
#define EBUS_DETAIL_FLASH       0xff    /* CSSP going to program BSC */
#define EBUS_DETAIL_RESET       0xfe    /* BSC has been reset */

#define EBUS_STATE_MASK         0xff    /* All state changes */

/*
 * Alarm config bytes for register $20
 */
#define ALARM_0                 0x01
#define ALARM_0_ENABLE          0x02

/*
 * Phone home configuration information
 */
#define PHONEHOME_CONFIG_REG            0x01
#define PHONEHOME_SCRIPT_START_REG      0x02

#define PHONEHOME_CONFIG_ON_UNXPOWEROFF 0x01
#define PHONEHOME_CONFIG_ON_WATCHDOGTRG 0x02
#define PHONEHOME_CONFIG_ON_DEMAND      0x04

/*
 * CPU type ident codes.  This determines the programming mode.
 */
#define CPU_IDENT_UNKNOWN               0x80
#define CPU_IDENT_H8_3434               0x81
#define CPU_IDENT_H8_3436               0x82
#define CPU_IDENT_H8_3437               0x83
#define CPU_IDENT_H8_3437SF             0x84
#define CPU_IDENT_H8S_2148              0x85
#define CPU_IDENT_H8S_2148A             0x86
#define CPU_IDENT_H8S_BSC               0x87

/*
 * Capability codes
 */
#define EBUS_CAP0_ASYNC_DOG             0x01 /* EBUS_CMD_DOGPAT implemented */
#define EBUS_CAP0_SYNC_EVENTS           0x02 /* event report at command end */
#define EBUS_CAP0_NEW_EVENTLOG_SPACE    0x04 /* new implementation of space8 */
#define EBUS_CAP0_NEW_SELFTESTS         0x08 /* new implementation of tests */
#define EBUS_CAP0_NEW_PROGRAMMING       0x10 /* new flash programming scheme */
#define EBUS_CAP0_LED_INFORMATION       0x20 /* new LED modelling scheme */
#define EBUS_CAP0_CPU_SIG               0x40 /* understands CPU signatures */
#define EBUS_CAP0_I2C_PROXY             0x80 /* implements i2c proxy service */
#define EBUS_CAP1_H8_SETS_IDX_TIME      0x01 /* H8 writes IDX_TIME values */
#define EBUS_CAP1_SPACE1_IS_BOOTSCRIPT  0x02 /* SPACE1 used for Boot Script */
#define EBUS_CAP1_FRUID_OFFSET          0x04 /* i2c reads are already offset */

/*  Error codes as returned via the EBUS interface */

#define EBUS_ERROR_NONE         0   /* no error occured */
#define EBUS_ERROR_NOREAD       1   /* this register cannot be read */
#define EBUS_ERROR_NOWRITE      2   /* this register cannot be written */
#define EBUS_ERROR_PROTO_CMD    3   /* command sent unexpected */
#define EBUS_ERROR_PROTO_DATA   4   /* data sent unexpected */
#define EBUS_ERROR_INVALID_BIT  5   /* invalid bit was set in data passed */
#define EBUS_ERROR_VALUE_BAD    6   /* data passed was plain bad */
#define EBUS_ERROR_NOX_SPECCMD  7   /* no such special command exists */
#define EBUS_ERROR_NOTUNLOCKED  8   /* need model-lock unlocked to do this */
#define EBUS_ERROR_TIMEOUT      9   /* too long between cmd and data */
#define EBUS_ERROR_DEVICEFAIL   10  /* Some device (e.g. eeprom) didn't work */
#define EBUS_ERROR_STALEDATA    11  /* Data has changed - host must reread */
#define EBUS_ERROR_NOX_DEVICE   12  /* Device doesn't exist */
#define EBUS_ERROR_RESETNEEDED  13  /* host must reset the LOM */
#define EBUS_ERROR_PROTO_PARAM  14  /* incorrect parameter count for command */
#define EBUS_ERROR_PROTO_SEQ    15  /* Sequence number from host incorrect */
#define EBUS_ERROR_IN_PROG_MODE 16  /* not supported in programming mode */
#define EBUS_ERROR_NOT_PROG_MODE 17 /* must be in prog mode first */

/* Magic values for specific registers. */
#define LOM_TEMP_MAX_VALUE              0x7c
#define LOM_TEMP_STATE_INACCESSIBLE     0x7d /* can't tell - i2c faulted */
#define LOM_TEMP_STATE_STANDBY          0x7e /* standby mode */
#define LOM_TEMP_STATE_NOT_PRESENT      0x7f /* not fitted/present */

#define LOM_FAN_MAX_SPEED       0xfb    /* protects folllowing special cases */
#define LOM_FAN_RECOUNT         0xfc    /* last access failed */
#define LOM_FAN_NOACCESS        0xfd    /* can't tell - i2c/lm80 faulted */
#define LOM_FAN_STANDBY         0xfe    /* standby mode */
#define LOM_FAN_NOT_PRESENT     0xff    /* no fan fitted */

#ifdef __cplusplus
}
#endif

#endif /* _SYS_LOM_EBUSCODES_H */