summaryrefslogtreecommitdiff
path: root/board/mpl/common/pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/mpl/common/pci.c')
-rw-r--r--board/mpl/common/pci.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/board/mpl/common/pci.c b/board/mpl/common/pci.c
new file mode 100644
index 0000000..d1965f9
--- /dev/null
+++ b/board/mpl/common/pci.c
@@ -0,0 +1,102 @@
+/*-----------------------------------------------------------------------------+
+|
+| This source code has been made available to you by IBM on an AS-IS
+| basis. Anyone receiving this source is licensed under IBM
+| copyrights to use it in any way he or she deems fit, including
+| copying it, modifying it, compiling it, and redistributing it either
+| with or without modifications. No license under IBM patents or
+| patent applications is to be implied by the copyright license.
+|
+| Any user of this software should understand that IBM cannot provide
+| technical support for this software and will not be responsible for
+| any consequences resulting from the use of this software.
+|
+| Any person who transfers this source code or any derivative work
+| must include the IBM copyright notice, this paragraph, and the
+| preceding two paragraphs in the transferred software.
+|
+| COPYRIGHT I B M CORPORATION 1995
+| LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
++-----------------------------------------------------------------------------*/
+/*
+ * Adapted for PIP405 03.07.01
+ * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
+ *
+ * TODO: Clean-up
+ */
+
+#include <common.h>
+#include <pci.h>
+#include "isa.h"
+
+#ifdef CONFIG_405GP
+#ifdef CONFIG_PCI
+
+#undef DEBUG
+
+#include "piix4_pci.h"
+#include "pci_parts.h"
+
+void pci_pip405_write_regs(struct pci_controller *hose, pci_dev_t dev,
+ struct pci_config_table *entry)
+{
+ struct pci_pip405_config_entry *table;
+ int i;
+
+ table = (struct pci_pip405_config_entry*) entry->priv[0];
+
+ for (i=0; table[i].width; i++)
+ {
+#ifdef DEBUG
+ printf("Reg 0x%02X Value 0x%08lX Width %02d written\n",
+ table[i].index, table[i].val, table[i].width);
+#endif
+
+ switch(table[i].width)
+ {
+ case 1: pci_hose_write_config_byte(hose, dev, table[i].index, table[i].val); break;
+ case 2: pci_hose_write_config_word(hose, dev, table[i].index, table[i].val); break;
+ case 4: pci_hose_write_config_dword(hose, dev, table[i].index, table[i].val); break;
+ }
+ }
+}
+
+
+static void pci_pip405_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
+{
+ unsigned char int_line = 0xff;
+ /*
+ * Write pci interrupt line register
+ */
+ if(PCI_DEV(dev)==0) /* Device0 = PPC405 -> skip */
+ return;
+ if(PCI_FUNC(dev)==0)
+ {
+ /* assuming all function 0 are using their INTA# Pin*/
+ int_line=PCI_IRQ_VECTOR(dev);
+ pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line);
+#ifdef DEBUG
+ printf("Fixup IRQ: dev %d (%x) int line %d 0x%x\n",
+ PCI_DEV(dev),dev,int_line,int_line);
+#endif
+ }
+}
+
+extern void pci_405gp_init(struct pci_controller *hose);
+
+
+static struct pci_controller hose = {
+ config_table: pci_pip405_config_table,
+ fixup_irq: pci_pip405_fixup_irq,
+};
+
+void pci_init(void)
+{
+ /*we want the ptrs to RAM not flash (ie don't use init list)*/
+ hose.fixup_irq = pci_pip405_fixup_irq;
+ hose.config_table = pci_pip405_config_table;
+ pci_405gp_init(&hose);
+}
+
+#endif /* CONFIG_PCI */
+#endif /* CONFIG_405GP */