u-boot/board/mbx8xx/vpd.h
2001-04-28 17:59:11 +00:00

120 lines
4.0 KiB
C

#ifndef __vpd_h
#define __vpd_h
/*
* Module name: %M%
* Description:
* Vital Product Data (VPD) Header Module
* SCCS identification: %I%
* Branch: %B%
* Sequence: %S%
* Date newest applied delta was created (MM/DD/YY): %G%
* Time newest applied delta was created (HH:MM:SS): %U%
* SCCS file name %F%
* Fully qualified SCCS file name:
* %P%
* Copyright:
* (C) COPYRIGHT MOTOROLA, INC. 1996
* ALL RIGHTS RESERVED
* Notes:
* History:
* Date Who
*
* 10/24/96 Rob Baxter
* Initial release.
*
*/
#define VPD_EEPROM_SIZE 256 /* EEPROM size in bytes */
/*
* packet tuple identifiers
*
* 0x0D - 0xBF reserved
* 0xC0 - 0xFE user defined
*/
#define VPD_PID_GI 0x00 /* guaranteed illegal */
#define VPD_PID_PID 0x01 /* product identifier (ASCII) */
#define VPD_PID_FAN 0x02 /* factory assembly-number (ASCII) */
#define VPD_PID_SN 0x03 /* serial-number (ASCII) */
#define VPD_PID_PCO 0x04 /* product configuration options(binary) */
#define VPD_PID_ICS 0x05 /* internal clock speed in HZ (integer) */
#define VPD_PID_ECS 0x06 /* external clock speed in HZ (integer) */
#define VPD_PID_RCS 0x07 /* reference clock speed in HZ(integer) */
#define VPD_PID_EA 0x08 /* ethernet address (binary) */
#define VPD_PID_MT 0x09 /* microprocessor type (ASCII) */
#define VPD_PID_CRC 0x0A /* EEPROM CRC (integer) */
#define VPD_PID_FMC 0x0B /* FLASH memory configuration (binary) */
#define VPD_PID_VLSI 0x0C /* VLSI revisions/versions (binary) */
#define VPD_PID_TERM 0xFF /* termination */
/*
* VPD structure (format)
*/
#define VPD_EYE_SIZE 8 /* eyecatcher size */
typedef struct vpd_header
{
uchar eyecatcher[VPD_EYE_SIZE]; /* eyecatcher - "MOTOROLA" */
ushort size; /* size of EEPROM */
} vpd_header_t;
#define VPD_DATA_SIZE (VPD_EEPROM_SIZE-sizeof(vpd_header_t))
typedef struct vpd
{
vpd_header_t header; /* header */
uchar packets[VPD_DATA_SIZE]; /* data */
} vpd_t;
/*
* packet tuple structure (format)
*/
typedef struct vpd_packet
{
uchar identifier; /* identifier (PIDs above) */
uchar size; /* size of the following data area */
uchar data[1]; /* data (size is dependent upon PID) */
} vpd_packet_t;
/*
* MBX product configuration options bit definitions
*
* Notes:
* 1. The bit numbering is reversed in perspective with the C compiler.
*/
#define PCO_BBRAM (1<<0) /* battery-backed RAM (BBRAM) and socket */
#define PCO_BOOTROM (1<<1) /* boot ROM and socket (i.e., socketed FLASH) */
#define PCO_KAPWR (1<<2) /* keep alive power source (lithium battey) and control circuit */
#define PCO_ENET_TP (1<<3) /* ethernet twisted pair (TP) connector (RJ45) */
#define PCO_ENET_AUI (1<<4) /* ethernet attachment unit interface (AUI) header */
#define PCO_PCMCIA (1<<5) /* PCMCIA socket */
#define PCO_DIMM (1<<6) /* DIMM module socket */
#define PCO_DTT (1<<7) /* digital thermometer and thermostat (DTT) device */
#define PCO_LCD (1<<8) /* liquid crystal display (LCD) device */
#define PCO_PCI (1<<9) /* PCI-Bus bridge device (QSpan) and ISA-Bus bridge device (Winbond) */
#define PCO_PCIO (1<<10) /* PC I/O (COM1, COM2, FDC, LPT, Keyboard/Mouse) */
#define PCO_EIDE (1<<11) /* enhanced IDE (EIDE) header */
#define PCO_FDC (1<<12) /* floppy disk controller (FDC) header */
#define PCO_LPT_8XX (1<<13) /* parallel port header via MPC8xx */
#define PCO_LPT_PCIO (1<<14) /* parallel port header via PC I/O */
/*
* FLASH memory configuration packet data
*/
typedef struct vpd_fmc
{
ushort mid; /* manufacturer's idenitfier */
ushort did; /* manufacturer's device idenitfier */
uchar ddw; /* device data width (e.g., 8-bits, 16-bits) */
uchar nod; /* number of devices present */
uchar noc; /* number of columns */
uchar cw; /* column width in bits */
uchar wedw; /* write/erase data width */
} vpd_fmc_t;
/* function prototypes */
extern void vpd_init(void);
extern int vpd_read(uint iic_device, uchar *buf, int count, int offset);
extern vpd_packet_t *vpd_find_packet(u_char ident);
#endif /* __vpd_h */