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 (CONFIG_SYS_PCI9054_DEV_FN, 0x4c,
52 (offs << 16) | 0x0003);
57 pci_read_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x4c, &ret);
58 if ((ret & 0x80000000) != 0) {
63 printf ("\nTimeout: ret=%08x - Please try again!\n", ret);
69 pci_read_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x50, &value);
75 static int PciEepromWriteLongVPD (int offs, unsigned int value)
80 pci_write_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x50, value);
81 pci_write_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x4c,
82 (offs << 16) | 0x80000003);
87 pci_read_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x4c, &ret);
88 if ((ret & 0x80000000) == 0) {
93 printf ("\nTimeout: ret=%08x - Please try again!\n", ret);
103 static void showPci9054 (void)
108 /* read 9054-values */
109 for (l = 0; l < 6; l++) {
110 printf ("%02x: ", l * 0x10);
111 for (i = 0; i < 4; i++) {
112 pci_read_config_dword (CONFIG_SYS_PCI9054_DEV_FN,
114 (unsigned int *)&val);
115 printf ("%08x ", val);
121 for (l = 0; l < 7; l++) {
122 printf ("%02x: ", l * 0x10);
123 for (i = 0; i < 4; i++)
125 PciEepromReadLongVPD ((i + l * 4) * 4));
132 static void updatePci9054 (void)
137 * Set EEPROM write-protect register to 0
139 out32 (pci9054_iobase + 0x0c,
140 in32 (pci9054_iobase + 0x0c) & 0xffff00ff);
142 /* Long Serial EEPROM Load Registers... */
143 val = PciEepromWriteLongVPD (0x00, 0x905410b5);
144 val = PciEepromWriteLongVPD (0x04, 0x09800001); /* other input controller */
145 val = PciEepromWriteLongVPD (0x08, 0x28140100);
147 val = PciEepromWriteLongVPD (0x0c, 0x00000000); /* MBOX0... */
148 val = PciEepromWriteLongVPD (0x10, 0x00000000);
150 /* las0: fpga access (0x0000.0000 ... 0x0003.ffff) */
151 val = PciEepromWriteLongVPD (0x14, 0xfffc0000); /* LAS0RR... */
152 val = PciEepromWriteLongVPD (0x18, 0x00000001); /* LAS0BA */
154 val = PciEepromWriteLongVPD (0x1c, 0x00200000); /* MARBR... */
155 val = PciEepromWriteLongVPD (0x20, 0x00300500); /* LMISC/BIGEND */
157 val = PciEepromWriteLongVPD (0x24, 0x00000000); /* EROMRR... */
158 val = PciEepromWriteLongVPD (0x28, 0x00000000); /* EROMBA */
160 val = PciEepromWriteLongVPD (0x2c, 0x43030000); /* LBRD0... */
162 val = PciEepromWriteLongVPD (0x30, 0x00000000); /* DMRR... */
163 val = PciEepromWriteLongVPD (0x34, 0x00000000);
164 val = PciEepromWriteLongVPD (0x38, 0x00000000);
166 val = PciEepromWriteLongVPD (0x3c, 0x00000000); /* DMPBAM... */
167 val = PciEepromWriteLongVPD (0x40, 0x00000000);
169 /* Extra Long Serial EEPROM Load Registers... */
170 val = PciEepromWriteLongVPD (0x44, 0x010212fe); /* PCISID... */
172 /* las1: 505-sram access (0x0004.0000 ... 0x001f.ffff) */
173 /* Offset to LAS1: Group 1: 0x00040000 */
174 /* Group 2: 0x00080000 */
175 /* Group 3: 0x000c0000 */
176 val = PciEepromWriteLongVPD (0x48, 0xffe00000); /* LAS1RR */
177 val = PciEepromWriteLongVPD (0x4c, 0x00040001); /* LAS1BA */
178 val = PciEepromWriteLongVPD (0x50, 0x00000208); /* LBRD1 */ /* so wars bisher */
180 val = PciEepromWriteLongVPD (0x54, 0x00004c06); /* HotSwap... */
182 printf ("Finished writing defaults into PLX PCI9054 EEPROM!\n");
186 static void clearPci9054 (void)
191 * Set EEPROM write-protect register to 0
193 out32 (pci9054_iobase + 0x0c,
194 in32 (pci9054_iobase + 0x0c) & 0xffff00ff);
196 /* Long Serial EEPROM Load Registers... */
197 val = PciEepromWriteLongVPD (0x00, 0xffffffff);
198 val = PciEepromWriteLongVPD (0x04, 0xffffffff); /* other input controller */
200 printf ("Finished clearing PLX PCI9054 EEPROM!\n");
204 /* ------------------------------------------------------------------------- */
205 int do_pci9054 (cmd_tbl_t * cmdtp, int flag, int argc,
208 if (strcmp (argv[1], "info") == 0) {
213 if (strcmp (argv[1], "update") == 0) {
218 if (strcmp (argv[1], "clear") == 0) {
223 printf ("Usage:\n%s\n", cmdtp->usage);
229 pci9054, 3, 1, do_pci9054,
230 "pci9054 - PLX PCI9054 EEPROM access\n",
231 "pci9054 info - print EEPROM values\n"
232 "pci9054 update - updates EEPROM with default values\n"
235 /* ------------------------------------------------------------------------- */