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Diffstat (limited to 'u-boot/board/eltec/bab7xx/srom.h')
| -rw-r--r-- | u-boot/board/eltec/bab7xx/srom.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/u-boot/board/eltec/bab7xx/srom.h b/u-boot/board/eltec/bab7xx/srom.h new file mode 100644 index 0000000..504b742 --- /dev/null +++ b/u-boot/board/eltec/bab7xx/srom.h @@ -0,0 +1,102 @@ +/* + * (C) Copyright 2002 ELTEC Elektronik AG + * Frank Gottschling <fgottschling@eltec.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* common srom defs */ +#define FIRST_DEVICE 0x00 +#define SECOND_DEVICE 0x04 +#define FIRST_BLOCK 0x00 +#define SECOND_BLOCK 0x02 +#define BLOCK_SIZE 0x100 +#define ERROR (-1) + +#define CLK2P0TO1_1MB_PB_0P5DH 0x79000100 +#define CLK2P5TO1_1MB_PB_0P5DH 0x7B000100 + +#define CPU_TYPE_740 0x08 +#define CPU_TYPE_750 0x08 +#define CPU_TYPE ((get_pvr()>>16)&0xffff) + +#define ABS(x) ((x<0)?-x:x) +#define SROM_SHORT(pX) (*(u8 *)(pX) | *((u8 *)(pX)+1) << 8) + +/* bab7xx ELTEC srom */ +#define I2C_BUS_DAT (CONFIG_SYS_ISA_IO + 0x220) +#define I2C_BUS_DIR (CONFIG_SYS_ISA_IO + 0x221) + +/* srom at mpc107 */ +#define MPC107_I2CADDR (mpc107_eumb_addr + 0x3000) /* address */ +#define MPC107_I2CFDR (mpc107_eumb_addr + 0x3004) /* freq divider */ +#define MPC107_I2CCR (mpc107_eumb_addr + 0x3008) /* control */ +#define MPC107_I2CSR (mpc107_eumb_addr + 0x300c) /* status */ +#define MPC107_I2CDR (mpc107_eumb_addr + 0x3010) /* data */ +#define MPC107_I2C_TIMEOUT 10000000 + +/* i82559 */ +#define EE_ADDR_BITS 6 +#define EE_SIZE 0x40 /* 0x40 words */ +#define EE_CHECKSUM 0xBABA + +/* dc21143 */ +#define DEC_SROM_SIZE 128 + + +/* + * structure of revision srom + */ +typedef struct { + char magic[8]; /* 000 - Magic number */ + char revrev[2]; /* 008 - Revision of structure */ + unsigned short size; /* 00A - Size of CRC area */ + unsigned long crc; /* 00C - CRC */ + char board[16]; /* 010 - Board Revision information */ + char option[4][16]; /* 020 - Option Revision information */ + char serial[8]; /* 060 - Board serial number */ + char etheraddr[6]; /* 068 - Ethernet node addresse */ + char reserved[2]; /* 06E - Reserved */ + char revision[7][2]; /* 070 - Revision codes */ + char category[2]; /* 07E - Category codes */ + char text[64]; /* 080 - Text field */ + char res[64]; /* 0C0 - Reserved */ +} revinfo; + +unsigned long el_srom_checksum (unsigned char *ptr, unsigned long size); +int el_srom_load (unsigned char addr, unsigned char *buf, int cnt, + unsigned char device, unsigned char block); +int el_srom_store (unsigned char addr, unsigned char *buf, int cnt, + unsigned char device, unsigned char block); + +int mpc107_i2c_init (unsigned long eumb_addr, unsigned long divider); +int mpc107_i2c_read_byte (unsigned char device, unsigned char block, unsigned char offset); +int mpc107_i2c_write_byte (unsigned char device, unsigned char block, + unsigned char offset, unsigned char val); +int mpc107_srom_load (unsigned char addr, unsigned char *pBuf, int cnt, + unsigned char device, unsigned char block); +int mpc107_srom_store (unsigned char addr, unsigned char *pBuf, int cnt, + unsigned char device, unsigned char block); + +int dc_srom_load (unsigned short *dest); +int dc_srom_store (unsigned short *src); + +unsigned short eepro100_srom_checksum (unsigned short *sromdata); +void eepro100_srom_load (unsigned short *destination); +int eepro100_srom_store (unsigned short *source); |