3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
36 extern u_long pci9054_iobase;
39 /***************************************************************************
41 * Routines for PLX PCI9054 eeprom access
45 static unsigned int PciEepromReadLongVPD(int offs)
51 pci_write_config_dword(CFG_PCI9054_DEV_FN, 0x4c, (offs<<16) | 0x0003);
57 pci_read_config_dword(CFG_PCI9054_DEV_FN, 0x4c, &ret);
58 if ((ret & 0x80000000) != 0)
67 printf("\nTimeout: ret=%08x - Please try again!\n", ret);
73 pci_read_config_dword(CFG_PCI9054_DEV_FN, 0x50, &value);
79 static int PciEepromWriteLongVPD(int offs, unsigned int value)
84 pci_write_config_dword(CFG_PCI9054_DEV_FN, 0x50, value);
85 pci_write_config_dword(CFG_PCI9054_DEV_FN, 0x4c, (offs<<16) | 0x80000003);
91 pci_read_config_dword(CFG_PCI9054_DEV_FN, 0x4c, &ret);
92 if ((ret & 0x80000000) == 0)
101 printf("\nTimeout: ret=%08x - Please try again!\n", ret);
111 static void showPci9054(void)
116 /* read 9054-values */
119 printf("%02x: ", l*0x10);
122 pci_read_config_dword(CFG_PCI9054_DEV_FN, l*16+i*4, &val);
123 printf("%08x ", val);
131 printf("%02x: ", l*0x10);
133 printf("%08x ", PciEepromReadLongVPD((i+l*4)*4));
140 static void updatePci9054(void)
145 * Set EEPROM write-protect register to 0
147 out32(pci9054_iobase+0x0c, in32(pci9054_iobase+0x0c) & 0xffff00ff);
149 /* Long Serial EEPROM Load Registers... */
150 val = PciEepromWriteLongVPD(0x00, 0x905410b5);
151 val = PciEepromWriteLongVPD(0x04, 0x09800001); /* other input controller */
152 val = PciEepromWriteLongVPD(0x08, 0x28140100);
154 val = PciEepromWriteLongVPD(0x0c, 0x00000000); /* MBOX0... */
155 val = PciEepromWriteLongVPD(0x10, 0x00000000);
157 /* las0: fpga access (0x0000.0000 ... 0x0003.ffff) */
158 val = PciEepromWriteLongVPD(0x14, 0xfffc0000); /* LAS0RR... */
159 val = PciEepromWriteLongVPD(0x18, 0x00000001); /* LAS0BA */
161 val = PciEepromWriteLongVPD(0x1c, 0x00200000); /* MARBR... */
162 val = PciEepromWriteLongVPD(0x20, 0x00300500); /* LMISC/BIGEND */
164 val = PciEepromWriteLongVPD(0x24, 0x00000000); /* EROMRR... */
165 val = PciEepromWriteLongVPD(0x28, 0x00000000); /* EROMBA */
167 val = PciEepromWriteLongVPD(0x2c, 0x43030000); /* LBRD0... */
169 val = PciEepromWriteLongVPD(0x30, 0x00000000); /* DMRR... */
170 val = PciEepromWriteLongVPD(0x34, 0x00000000);
171 val = PciEepromWriteLongVPD(0x38, 0x00000000);
173 val = PciEepromWriteLongVPD(0x3c, 0x00000000); /* DMPBAM... */
174 val = PciEepromWriteLongVPD(0x40, 0x00000000);
176 /* Extra Long Serial EEPROM Load Registers... */
177 val = PciEepromWriteLongVPD(0x44, 0x010212fe); /* PCISID... */
179 /* las1: 505-sram access (0x0004.0000 ... 0x001f.ffff) */
180 /* Offset to LAS1: Group 1: 0x00040000 */
181 /* Group 2: 0x00080000 */
182 /* Group 3: 0x000c0000 */
183 val = PciEepromWriteLongVPD(0x48, 0xffe00000); /* LAS1RR */
184 val = PciEepromWriteLongVPD(0x4c, 0x00040001); /* LAS1BA */
185 val = PciEepromWriteLongVPD(0x50, 0x00000208); /* LBRD1 */ /* so wars bisher */
187 val = PciEepromWriteLongVPD(0x54, 0x00004c06); /* HotSwap... */
189 printf("Finished writing defaults into PLX PCI9054 EEPROM!\n");
193 static void clearPci9054(void)
198 * Set EEPROM write-protect register to 0
200 out32(pci9054_iobase+0x0c, in32(pci9054_iobase+0x0c) & 0xffff00ff);
202 /* Long Serial EEPROM Load Registers... */
203 val = PciEepromWriteLongVPD(0x00, 0xffffffff);
204 val = PciEepromWriteLongVPD(0x04, 0xffffffff); /* other input controller */
206 printf("Finished clearing PLX PCI9054 EEPROM!\n");
210 /* ------------------------------------------------------------------------- */
211 int do_pci9054(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
213 if (strcmp(argv[1], "info") == 0)
219 if (strcmp(argv[1], "update") == 0)
225 if (strcmp(argv[1], "clear") == 0)
231 printf("Usage:\n%s\n", cmdtp->usage);
236 /* ------------------------------------------------------------------------- */