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,
37 extern u_long pci9054_iobase;
40 /***************************************************************************
42 * Routines for PLX PCI9054 eeprom access
46 static unsigned int PciEepromReadLongVPD (int offs)
52 pci_write_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x4c,
53 (offs << 16) | 0x0003);
58 pci_read_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x4c, &ret);
59 if ((ret & 0x80000000) != 0) {
64 printf ("\nTimeout: ret=%08x - Please try again!\n", ret);
70 pci_read_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x50, &value);
76 static int PciEepromWriteLongVPD (int offs, unsigned int value)
81 pci_write_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x50, value);
82 pci_write_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x4c,
83 (offs << 16) | 0x80000003);
88 pci_read_config_dword (CONFIG_SYS_PCI9054_DEV_FN, 0x4c, &ret);
89 if ((ret & 0x80000000) == 0) {
94 printf ("\nTimeout: ret=%08x - Please try again!\n", ret);
104 static void showPci9054 (void)
109 /* read 9054-values */
110 for (l = 0; l < 6; l++) {
111 printf ("%02x: ", l * 0x10);
112 for (i = 0; i < 4; i++) {
113 pci_read_config_dword (CONFIG_SYS_PCI9054_DEV_FN,
115 (unsigned int *)&val);
116 printf ("%08x ", val);
122 for (l = 0; l < 7; l++) {
123 printf ("%02x: ", l * 0x10);
124 for (i = 0; i < 4; i++)
126 PciEepromReadLongVPD ((i + l * 4) * 4));
133 static void updatePci9054 (void)
138 * Set EEPROM write-protect register to 0
140 out_be32 ((void *)(pci9054_iobase + 0x0c),
141 in_be32 ((void *)(pci9054_iobase + 0x0c)) & 0xffff00ff);
143 /* Long Serial EEPROM Load Registers... */
144 val = PciEepromWriteLongVPD (0x00, 0x905410b5);
145 val = PciEepromWriteLongVPD (0x04, 0x09800001); /* other input controller */
146 val = PciEepromWriteLongVPD (0x08, 0x28140100);
148 val = PciEepromWriteLongVPD (0x0c, 0x00000000); /* MBOX0... */
149 val = PciEepromWriteLongVPD (0x10, 0x00000000);
151 /* las0: fpga access (0x0000.0000 ... 0x0003.ffff) */
152 val = PciEepromWriteLongVPD (0x14, 0xfffc0000); /* LAS0RR... */
153 val = PciEepromWriteLongVPD (0x18, 0x00000001); /* LAS0BA */
155 val = PciEepromWriteLongVPD (0x1c, 0x00200000); /* MARBR... */
156 val = PciEepromWriteLongVPD (0x20, 0x00300500); /* LMISC/BIGEND */
158 val = PciEepromWriteLongVPD (0x24, 0x00000000); /* EROMRR... */
159 val = PciEepromWriteLongVPD (0x28, 0x00000000); /* EROMBA */
161 val = PciEepromWriteLongVPD (0x2c, 0x43030000); /* LBRD0... */
163 val = PciEepromWriteLongVPD (0x30, 0x00000000); /* DMRR... */
164 val = PciEepromWriteLongVPD (0x34, 0x00000000);
165 val = PciEepromWriteLongVPD (0x38, 0x00000000);
167 val = PciEepromWriteLongVPD (0x3c, 0x00000000); /* DMPBAM... */
168 val = PciEepromWriteLongVPD (0x40, 0x00000000);
170 /* Extra Long Serial EEPROM Load Registers... */
171 val = PciEepromWriteLongVPD (0x44, 0x010212fe); /* PCISID... */
173 /* las1: 505-sram access (0x0004.0000 ... 0x001f.ffff) */
174 /* Offset to LAS1: Group 1: 0x00040000 */
175 /* Group 2: 0x00080000 */
176 /* Group 3: 0x000c0000 */
177 val = PciEepromWriteLongVPD (0x48, 0xffe00000); /* LAS1RR */
178 val = PciEepromWriteLongVPD (0x4c, 0x00040001); /* LAS1BA */
179 val = PciEepromWriteLongVPD (0x50, 0x00000208); /* LBRD1 */ /* so wars bisher */
181 val = PciEepromWriteLongVPD (0x54, 0x00004c06); /* HotSwap... */
183 printf ("Finished writing defaults into PLX PCI9054 EEPROM!\n");
187 static void clearPci9054 (void)
192 * Set EEPROM write-protect register to 0
194 out_be32 ((void *)(pci9054_iobase + 0x0c),
195 in_be32 ((void *)(pci9054_iobase + 0x0c)) & 0xffff00ff);
197 /* Long Serial EEPROM Load Registers... */
198 val = PciEepromWriteLongVPD (0x00, 0xffffffff);
199 val = PciEepromWriteLongVPD (0x04, 0xffffffff); /* other input controller */
201 printf ("Finished clearing PLX PCI9054 EEPROM!\n");
205 /* ------------------------------------------------------------------------- */
206 int do_pci9054 (cmd_tbl_t * cmdtp, int flag, int argc,
209 if (strcmp (argv[1], "info") == 0) {
214 if (strcmp (argv[1], "update") == 0) {
219 if (strcmp (argv[1], "clear") == 0) {
224 return cmd_usage(cmdtp);
228 pci9054, 3, 1, do_pci9054,
229 "PLX PCI9054 EEPROM access",
230 "pci9054 info - print EEPROM values\n"
231 "pci9054 update - updates EEPROM with default values"
234 /* ------------------------------------------------------------------------- */