| /* |
| * (C) Copyright 2001 |
| * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com |
| * |
| * 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 |
| * |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include <pci.h> |
| #include <asm/io.h> |
| |
| #define OK 0 |
| #define ERROR (-1) |
| |
| extern u_long pci9054_iobase; |
| |
| |
| /*************************************************************************** |
| * |
| * Routines for PLX PCI9054 eeprom access |
| * |
| */ |
| |
| static unsigned int PciEepromReadLongVPD (int offs) |
| { |
| unsigned int value; |
| unsigned int ret; |
| int count; |
| |
| pci_write_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x4c, |
| (offs << 16) | 0x0003); |
| count = 0; |
| |
| for (;;) { |
| udelay (10 * 1000); |
| pci_read_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x4c, &ret); |
| if ((ret & 0x80000000) != 0) { |
| break; |
| } else { |
| count++; |
| if (count > 10) { |
| printf ("\nTimeout: ret=%08x - Please try again!\n", ret); |
| break; |
| } |
| } |
| } |
| |
| pci_read_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x50, &value); |
| |
| return value; |
| } |
| |
| |
| static int PciEepromWriteLongVPD (int offs, unsigned int value) |
| { |
| unsigned int ret; |
| int count; |
| |
| pci_write_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x50, value); |
| pci_write_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x4c, |
| (offs << 16) | 0x80000003); |
| count = 0; |
| |
| for (;;) { |
| udelay (10 * 1000); |
| pci_read_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x4c, &ret); |
| if ((ret & 0x80000000) == 0) { |
| break; |
| } else { |
| count++; |
| if (count > 10) { |
| printf ("\nTimeout: ret=%08x - Please try again!\n", ret); |
| break; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| |
| static void showPci9054 (void) |
| { |
| int val; |
| int l, i; |
| |
| /* read 9054-values */ |
| for (l = 0; l < 6; l++) { |
| printf ("%02x: ", l * 0x10); |
| for (i = 0; i < 4; i++) { |
| pci_read_config_dword (CONFIG_SYS_PCI9054_DEV_FN, |
| l * 16 + i * 4, |
| (unsigned int *)&val); |
| printf ("%08x ", val); |
| } |
| printf ("\n"); |
| } |
| printf ("\n"); |
| |
| for (l = 0; l < 7; l++) { |
| printf ("%02x: ", l * 0x10); |
| for (i = 0; i < 4; i++) |
| printf ("%08x ", |
| PciEepromReadLongVPD ((i + l * 4) * 4)); |
| printf ("\n"); |
| } |
| printf ("\n"); |
| } |
| |
| |
| static void updatePci9054 (void) |
| { |
| /* |
| * Set EEPROM write-protect register to 0 |
| */ |
| out_be32 ((void *)(pci9054_iobase + 0x0c), |
| in_be32 ((void *)(pci9054_iobase + 0x0c)) & 0xffff00ff); |
| |
| /* Long Serial EEPROM Load Registers... */ |
| PciEepromWriteLongVPD (0x00, 0x905410b5); |
| PciEepromWriteLongVPD (0x04, 0x09800001); /* other input controller */ |
| PciEepromWriteLongVPD (0x08, 0x28140100); |
| |
| PciEepromWriteLongVPD (0x0c, 0x00000000); /* MBOX0... */ |
| PciEepromWriteLongVPD (0x10, 0x00000000); |
| |
| /* las0: fpga access (0x0000.0000 ... 0x0003.ffff) */ |
| PciEepromWriteLongVPD (0x14, 0xfffc0000); /* LAS0RR... */ |
| PciEepromWriteLongVPD (0x18, 0x00000001); /* LAS0BA */ |
| |
| PciEepromWriteLongVPD (0x1c, 0x00200000); /* MARBR... */ |
| PciEepromWriteLongVPD (0x20, 0x00300500); /* LMISC/BIGEND */ |
| |
| PciEepromWriteLongVPD (0x24, 0x00000000); /* EROMRR... */ |
| PciEepromWriteLongVPD (0x28, 0x00000000); /* EROMBA */ |
| |
| PciEepromWriteLongVPD (0x2c, 0x43030000); /* LBRD0... */ |
| |
| PciEepromWriteLongVPD (0x30, 0x00000000); /* DMRR... */ |
| PciEepromWriteLongVPD (0x34, 0x00000000); |
| PciEepromWriteLongVPD (0x38, 0x00000000); |
| |
| PciEepromWriteLongVPD (0x3c, 0x00000000); /* DMPBAM... */ |
| PciEepromWriteLongVPD (0x40, 0x00000000); |
| |
| /* Extra Long Serial EEPROM Load Registers... */ |
| PciEepromWriteLongVPD (0x44, 0x010212fe); /* PCISID... */ |
| |
| /* las1: 505-sram access (0x0004.0000 ... 0x001f.ffff) */ |
| /* Offset to LAS1: Group 1: 0x00040000 */ |
| /* Group 2: 0x00080000 */ |
| /* Group 3: 0x000c0000 */ |
| PciEepromWriteLongVPD (0x48, 0xffe00000); /* LAS1RR */ |
| PciEepromWriteLongVPD (0x4c, 0x00040001); /* LAS1BA */ |
| PciEepromWriteLongVPD (0x50, 0x00000208); /* LBRD1 */ /* so wars bisher */ |
| |
| PciEepromWriteLongVPD (0x54, 0x00004c06); /* HotSwap... */ |
| |
| printf ("Finished writing defaults into PLX PCI9054 EEPROM!\n"); |
| } |
| |
| |
| static void clearPci9054 (void) |
| { |
| /* |
| * Set EEPROM write-protect register to 0 |
| */ |
| out_be32 ((void *)(pci9054_iobase + 0x0c), |
| in_be32 ((void *)(pci9054_iobase + 0x0c)) & 0xffff00ff); |
| |
| /* Long Serial EEPROM Load Registers... */ |
| PciEepromWriteLongVPD (0x00, 0xffffffff); |
| PciEepromWriteLongVPD (0x04, 0xffffffff); /* other input controller */ |
| |
| printf ("Finished clearing PLX PCI9054 EEPROM!\n"); |
| } |
| |
| |
| /* ------------------------------------------------------------------------- */ |
| int do_pci9054 (cmd_tbl_t * cmdtp, int flag, int argc, |
| char * const argv[]) |
| { |
| if (strcmp (argv[1], "info") == 0) { |
| showPci9054 (); |
| return 0; |
| } |
| |
| if (strcmp (argv[1], "update") == 0) { |
| updatePci9054 (); |
| return 0; |
| } |
| |
| if (strcmp (argv[1], "clear") == 0) { |
| clearPci9054 (); |
| return 0; |
| } |
| |
| return cmd_usage(cmdtp); |
| } |
| |
| U_BOOT_CMD( |
| pci9054, 3, 1, do_pci9054, |
| "PLX PCI9054 EEPROM access", |
| "pci9054 info - print EEPROM values\n" |
| "pci9054 update - updates EEPROM with default values" |
| ); |
| |
| /* ------------------------------------------------------------------------- */ |