diff options
Diffstat (limited to 'u-boot/board/esd/dasa_sim/cmd_dasa_sim.c')
| -rw-r--r-- | u-boot/board/esd/dasa_sim/cmd_dasa_sim.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/u-boot/board/esd/dasa_sim/cmd_dasa_sim.c b/u-boot/board/esd/dasa_sim/cmd_dasa_sim.c new file mode 100644 index 0000000..4946538 --- /dev/null +++ b/u-boot/board/esd/dasa_sim/cmd_dasa_sim.c @@ -0,0 +1,234 @@ +/* + * (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) + +#define TRUE 1 +#define FALSE 0 + + +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) +{ + int val; + + /* + * 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... */ + val = PciEepromWriteLongVPD (0x00, 0x905410b5); + val = PciEepromWriteLongVPD (0x04, 0x09800001); /* other input controller */ + val = PciEepromWriteLongVPD (0x08, 0x28140100); + + val = PciEepromWriteLongVPD (0x0c, 0x00000000); /* MBOX0... */ + val = PciEepromWriteLongVPD (0x10, 0x00000000); + + /* las0: fpga access (0x0000.0000 ... 0x0003.ffff) */ + val = PciEepromWriteLongVPD (0x14, 0xfffc0000); /* LAS0RR... */ + val = PciEepromWriteLongVPD (0x18, 0x00000001); /* LAS0BA */ + + val = PciEepromWriteLongVPD (0x1c, 0x00200000); /* MARBR... */ + val = PciEepromWriteLongVPD (0x20, 0x00300500); /* LMISC/BIGEND */ + + val = PciEepromWriteLongVPD (0x24, 0x00000000); /* EROMRR... */ + val = PciEepromWriteLongVPD (0x28, 0x00000000); /* EROMBA */ + + val = PciEepromWriteLongVPD (0x2c, 0x43030000); /* LBRD0... */ + + val = PciEepromWriteLongVPD (0x30, 0x00000000); /* DMRR... */ + val = PciEepromWriteLongVPD (0x34, 0x00000000); + val = PciEepromWriteLongVPD (0x38, 0x00000000); + + val = PciEepromWriteLongVPD (0x3c, 0x00000000); /* DMPBAM... */ + val = PciEepromWriteLongVPD (0x40, 0x00000000); + + /* Extra Long Serial EEPROM Load Registers... */ + val = PciEepromWriteLongVPD (0x44, 0x010212fe); /* PCISID... */ + + /* las1: 505-sram access (0x0004.0000 ... 0x001f.ffff) */ + /* Offset to LAS1: Group 1: 0x00040000 */ + /* Group 2: 0x00080000 */ + /* Group 3: 0x000c0000 */ + val = PciEepromWriteLongVPD (0x48, 0xffe00000); /* LAS1RR */ + val = PciEepromWriteLongVPD (0x4c, 0x00040001); /* LAS1BA */ + val = PciEepromWriteLongVPD (0x50, 0x00000208); /* LBRD1 */ /* so wars bisher */ + + val = PciEepromWriteLongVPD (0x54, 0x00004c06); /* HotSwap... */ + + printf ("Finished writing defaults into PLX PCI9054 EEPROM!\n"); +} + + +static void clearPci9054 (void) +{ + int val; + + /* + * 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... */ + val = PciEepromWriteLongVPD (0x00, 0xffffffff); + val = 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" +); + +/* ------------------------------------------------------------------------- */ |