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