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authorNobuhiro Iwamatsu <iwamatsu@nigauri.org>2007-09-23 01:29:43 +0900
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2007-09-23 01:29:43 +0900
commitb8685affe614ccf5f4ec66252b30e2e524d18948 (patch)
tree05bc55b8a4a0451e6500f1f52651d81c0f48f012 /doc/README.ppc440
parent69df3c4da0c93017cceb25a366e794570bd0ed98 (diff)
parent66dcad3a9a53e0766d90e0084123bd8529522fb0 (diff)
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Merge git://www.denx.de/git/u-boot
Conflicts: CREDITS
Diffstat (limited to 'doc/README.ppc440')
-rw-r--r--doc/README.ppc44013
1 files changed, 7 insertions, 6 deletions
diff --git a/doc/README.ppc440 b/doc/README.ppc440
index 08f34f5..2e04aba 100644
--- a/doc/README.ppc440
+++ b/doc/README.ppc440
@@ -146,12 +146,13 @@ that maps in a single PCI I/O space and PCI memory space. The I/O
space begins at PCI I/O address 0 and the PCI memory space is
256 MB starting at PCI address CFG_PCI_TARGBASE. After the
pci_controller structure is initialized, the cpu-specific code will
-call the routine pci_pre_init() if the CFG_PCI_PRE_INIT flag is
-defined. This routine is implemented by board-specific code & is where
-the board can over-ride/extend the default pci_controller structure
-settings and do other pre-initialization tasks. If pci_pre_init()
-returns a value of zero, PCI initialization is aborted; otherwise the
-controller structure is registered and initialization continues.
+call the routine pci_pre_init(). This routine is implemented by
+board-specific code & is where the board can over-ride/extend the
+default pci_controller structure settings and exspecially provide
+a routine to map the PCI interrupts and do other pre-initialization
+tasks. If pci_pre_init() returns a value of zero, PCI initialization
+is aborted; otherwise the controller structure is registered and
+initialization continues.
The default 440GP PCI target configuration is minimal -- it assumes that
the strapping registers are set as necessary. Since the strapping bits