projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 217c9dad WD |
1 | /* |
| 2 | * (C) Copyright 2002 ELTEC Elektronik AG | |
| 3 | * Frank Gottschling <fgottschling@eltec.de> | |
| 4 | * | |
| 1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 217c9dad WD |
6 | */ |
| 7 | ||
| 8 | /* | |
| 9 | * Local network srom writing for first time run | |
| 10 | */ | |
| 11 | ||
| 12 | /* includes */ | |
| 13 | #include <common.h> | |
| 14 | #include <pci.h> | |
| 15 | #include <net.h> | |
| 16 | #include "srom.h" | |
| 17 | ||
| e2d45e6f WD |
18 | extern int eepro100_write_eeprom (struct eth_device *dev, |
| 19 | int location, int addr_len, | |
| 20 | unsigned short data); | |
| 217c9dad WD |
21 | |
| 22 | /*----------------------------------------------------------------------------*/ | |
| 23 | ||
| 24 | unsigned short eepro100_srom_checksum (unsigned short *sromdata) | |
| 25 | { | |
| e2d45e6f WD |
26 | unsigned short sum = 0; |
| 27 | unsigned int i; | |
| 28 | ||
| 29 | for (i = 0; i < (EE_SIZE - 1); i++) { | |
| 30 | sum += sromdata[i]; | |
| 31 | } | |
| 32 | return (EE_CHECKSUM - sum); | |
| 217c9dad WD |
33 | } |
| 34 | ||
| 35 | /*----------------------------------------------------------------------------*/ | |
| 36 | ||
| 37 | int eepro100_srom_store (unsigned short *source) | |
| 38 | { | |
| e2d45e6f WD |
39 | int count; |
| 40 | struct eth_device onboard_dev; | |
| 41 | ||
| 42 | /* get onboard network iobase */ | |
| 43 | pci_read_config_dword (PCI_BDF (0, 0x10, 0), PCI_BASE_ADDRESS_0, | |
| 44 | (unsigned int *) &onboard_dev.iobase); | |
| 45 | onboard_dev.iobase &= ~0xf; | |
| 46 | ||
| 47 | source[63] = eepro100_srom_checksum (source); | |
| 48 | ||
| 49 | for (count = 0; count < EE_SIZE; count++) { | |
| 50 | if (eepro100_write_eeprom ((struct eth_device *) &onboard_dev, | |
| 51 | count, EE_ADDR_BITS, | |
| 52 | SROM_SHORT (source)) == -1) { | |
| 53 | return -1; | |
| 54 | } | |
| 55 | source++; | |
| 56 | } | |
| 57 | return 0; | |
| 217c9dad WD |
58 | } |
| 59 | ||
| 60 | /*----------------------------------------------------------------------------*/ | |
| 61 | ||
| 62 | #ifdef EEPRO100_SROM_CHECK | |
| 63 | ||
| e2d45e6f | 64 | extern int read_eeprom (struct eth_device *dev, int location, int addr_len); |
| 217c9dad WD |
65 | |
| 66 | void eepro100_srom_load (unsigned short *destination) | |
| 67 | { | |
| e2d45e6f WD |
68 | int count; |
| 69 | struct eth_device onboard_dev; | |
| 70 | ||
| 217c9dad | 71 | #ifdef DEBUG |
| e2d45e6f WD |
72 | int lr = 0; |
| 73 | ||
| 74 | printf ("eepro100_srom_download:\n"); | |
| 217c9dad WD |
75 | #endif |
| 76 | ||
| e2d45e6f WD |
77 | /* get onboard network iobase */ |
| 78 | pci_read_config_dword (PCI_BDF (0, 0x10, 0), PCI_BASE_ADDRESS_0, | |
| 79 | &onboard_dev.iobase); | |
| 80 | onboard_dev.iobase &= ~0xf; | |
| 217c9dad | 81 | |
| e2d45e6f | 82 | memset (destination, 0x65, 128); |
| 217c9dad | 83 | |
| e2d45e6f WD |
84 | for (count = 0; count < 0x40; count++) { |
| 85 | *destination++ = read_eeprom ((struct eth_device *) &onboard_dev, | |
| 86 | count, EE_ADDR_BITS); | |
| 217c9dad | 87 | #ifdef DEBUG |
| e2d45e6f WD |
88 | printf ("%04x ", *(destination - 1)); |
| 89 | if (lr++ == 7) { | |
| 90 | printf ("\n"); | |
| 91 | lr = 0; | |
| 92 | } | |
| 217c9dad | 93 | #endif |
| e2d45e6f | 94 | } |
| 217c9dad WD |
95 | } |
| 96 | #endif /* EEPRO100_SROM_CHECK */ | |
| 97 | ||
| 98 | /*----------------------------------------------------------------------------*/ |