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author | wdenk <wdenk> | 2002-10-25 20:35:49 (GMT) |
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committer | wdenk <wdenk> | 2002-10-25 20:35:49 (GMT) |
commit | 217c9dad827c91a7ac168a8eaacf0e17af7608b9 (patch) | |
tree | 07a002742d97f8005a63ff95fff55e266d6ad2f1 /board/eltec/elppc | |
parent | ce23b153d8aa8c235ea59c78b12bd7f1aa3cc57b (diff) | |
download | u-boot-217c9dad827c91a7ac168a8eaacf0e17af7608b9.tar.xz |
Initial revision
Diffstat (limited to 'board/eltec/elppc')
-rw-r--r-- | board/eltec/elppc/eepro100_srom.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/board/eltec/elppc/eepro100_srom.c b/board/eltec/elppc/eepro100_srom.c new file mode 100644 index 0000000..a5e47cf --- /dev/null +++ b/board/eltec/elppc/eepro100_srom.c @@ -0,0 +1,113 @@ +/* + * (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 + */ + +/* + * Local network srom writing for first time run + */ + +/* includes */ +#include <common.h> +#include <pci.h> +#include <net.h> +#include "srom.h" + +extern int eepro100_write_eeprom (struct eth_device* dev, + int location, int addr_len, unsigned short data); + +/*----------------------------------------------------------------------------*/ + +unsigned short eepro100_srom_checksum (unsigned short *sromdata) +{ + unsigned short sum = 0; + unsigned int i; + + for (i = 0; i < (EE_SIZE-1); i++) + { + sum += sromdata[i]; + } + return (EE_CHECKSUM - sum); +} + +/*----------------------------------------------------------------------------*/ + +int eepro100_srom_store (unsigned short *source) +{ + int count; + struct eth_device onboard_dev; + + /* get onboard network iobase */ + pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0, + &onboard_dev.iobase); + onboard_dev.iobase &= ~0xf; + + source[63] = eepro100_srom_checksum (source); + + for (count=0; count < EE_SIZE; count++) + { + if ( eepro100_write_eeprom ((struct eth_device*)&onboard_dev, + count, EE_ADDR_BITS, SROM_SHORT(source)) == -1 ) + return -1; + source++; + } + return 0; +} + +/*----------------------------------------------------------------------------*/ + +#ifdef EEPRO100_SROM_CHECK + +extern int read_eeprom (struct eth_device* dev, int location, int addr_len); + +void eepro100_srom_load (unsigned short *destination) +{ + int count; + struct eth_device onboard_dev; +#ifdef DEBUG + int lr = 0; + printf ("eepro100_srom_download:\n"); +#endif + + /* get onboard network iobase */ + pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0, + &onboard_dev.iobase); + onboard_dev.iobase &= ~0xf; + + memset (destination, 0x65, 128); + + for (count=0; count < 0x40; count++) + { + *destination++ = read_eeprom (struct eth_device*)&onboard_dev, + count, EE_ADDR_BITS); +#ifdef DEBUG + printf ("%04x ", *(destination - 1)); + if (lr++ == 7) + { + printf("\n"); + lr = 0; + } +#endif + } +} +#endif /* EEPRO100_SROM_CHECK */ + +/*----------------------------------------------------------------------------*/ |