1 /*-----------------------------------------------------------------------------+
2 | This source code is dual-licensed. You may use it under the terms of
3 | the GNU General Public License version 2, or under the license below.
5 | This source code has been made available to you by IBM on an AS-IS
6 | basis. Anyone receiving this source is licensed under IBM
7 | copyrights to use it in any way he or she deems fit, including
8 | copying it, modifying it, compiling it, and redistributing it either
9 | with or without modifications. No license under IBM patents or
10 | patent applications is to be implied by the copyright license.
12 | Any user of this software should understand that IBM cannot provide
13 | technical support for this software and will not be responsible for
14 | any consequences resulting from the use of this software.
16 | Any person who transfers this source code or any derivative work
17 | must include the IBM copyright notice, this paragraph, and the
18 | preceding two paragraphs in the transferred software.
20 | COPYRIGHT I B M CORPORATION 1995
21 | LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
22 +-----------------------------------------------------------------------------*/
24 * Adapted for PIP405 03.07.01
25 * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
37 DECLARE_GLOBAL_DATA_PTR;
39 #include "piix4_pci.h"
40 #include "pci_parts.h"
42 void pci_pip405_write_regs(struct pci_controller *hose, pci_dev_t dev,
43 struct pci_config_table *entry)
45 struct pci_pip405_config_entry *table;
48 table = (struct pci_pip405_config_entry*) entry->priv[0];
50 for (i=0; table[i].width; i++)
53 printf("Reg 0x%02X Value 0x%08lX Width %02d written\n",
54 table[i].index, table[i].val, table[i].width);
57 switch(table[i].width)
59 case 1: pci_hose_write_config_byte(hose, dev, table[i].index, table[i].val); break;
60 case 2: pci_hose_write_config_word(hose, dev, table[i].index, table[i].val); break;
61 case 4: pci_hose_write_config_dword(hose, dev, table[i].index, table[i].val); break;
67 static void pci_pip405_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
69 unsigned char int_line = 0xff;
72 * Write pci interrupt line register
74 if(PCI_DEV(dev)==0) /* Device0 = PPC405 -> skip */
76 pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &pin);
77 if ((pin == 0) || (pin > 4))
80 int_line = ((PCI_DEV(dev) + (pin-1) + 10) % 4) + 28;
81 pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line);
83 printf("Fixup IRQ: dev %d (%x) int line %d 0x%x\n",
84 PCI_DEV(dev),dev,int_line,int_line);
88 extern void pci_405gp_init(struct pci_controller *hose);
91 static struct pci_controller hose = {
92 config_table: pci_pip405_config_table,
93 fixup_irq: pci_pip405_fixup_irq,
97 static void reloc_pci_cfg_table(struct pci_config_table *table)
101 for (; table && table->vendor; table++) {
102 addr = (ulong) (table->config_device) + gd->reloc_off;
104 printf ("device \"%d\": 0x%08lx => 0x%08lx\n",
105 table->device, (ulong) (table->config_device), addr);
107 table->config_device =
108 (void (*)(struct pci_controller* hose, pci_dev_t dev,
109 struct pci_config_table *))addr;
110 table->priv[0]+=gd->reloc_off;
114 void pci_init_board(void)
116 /*we want the ptrs to RAM not flash (ie don't use init list)*/
117 hose.fixup_irq = pci_pip405_fixup_irq;
118 hose.config_table = pci_pip405_config_table;
119 reloc_pci_cfg_table(hose.config_table);
121 printf("Init PCI: fixup_irq=%p config_table=%p hose=%p\n",pci_pip405_fixup_irq,pci_pip405_config_table,hose);
123 pci_405gp_init(&hose);
126 #endif /* CONFIG_PCI */
127 #endif /* CONFIG_405GP */