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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-07 21:17:40 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-07 21:17:40 +0200
commit5b6b54982258c330247957a8d877b9851ac69d53 (patch)
tree567e4b3391e0c6689cf511789fb512ef7385c16f /arch/sh/drivers/pci/fixups-se7780.c
parentspi_s3c24xx.c: Fix build (diff)
parentsh: R7785RP board updates. (diff)
downloadlinux-5b6b54982258c330247957a8d877b9851ac69d53.tar.xz
linux-5b6b54982258c330247957a8d877b9851ac69d53.zip
Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (38 commits) sh: R7785RP board updates. sh: Update r7780rp defconfig. sh: Add die chain notifiers. sh: Fix APM emulation on hp6xx. sh: Wire up more IRQs for SH7709. sh: Solution Engine 7722 board support. sh: Fix r7780rp build. sh: kdump support. sh: Move clock reporting to its own proc entry. sh: Solution Engine SH7705 board and CPU updates. serial: sh-sci: Fix module clock refcount for serial console. serial: sh-sci: Fix module clock refcounting. sh: SH7722 clock framework support. sh: hp6xx pata_platform support. sh: Obey CONFIG_HZ for HZ definition. sh: Fix fstatat64() syscall. sh: se7780 PCI support. sh: SH7780 Solution Engine board support. sh: Add a dummy SH-4 PCIC fixup. sh: Tidy up L-BOX area5 addresses. ...
Diffstat (limited to 'arch/sh/drivers/pci/fixups-se7780.c')
-rw-r--r--arch/sh/drivers/pci/fixups-se7780.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/sh/drivers/pci/fixups-se7780.c b/arch/sh/drivers/pci/fixups-se7780.c
new file mode 100644
index 000000000000..880cea1c0d89
--- /dev/null
+++ b/arch/sh/drivers/pci/fixups-se7780.c
@@ -0,0 +1,60 @@
+/*
+ * arch/sh/drivers/pci/fixups-se7780.c
+ *
+ * HITACHI UL Solution Engine 7780 PCI fixups
+ *
+ * Copyright (C) 2003 Lineo uSolutions, Inc.
+ * Copyright (C) 2004 - 2006 Paul Mundt
+ * Copyright (C) 2006 Nobuhiro Iwamatsu
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/pci.h>
+#include "pci-sh4.h"
+#include <asm/io.h>
+
+int pci_fixup_pcic(void)
+{
+ ctrl_outl(0x00000001, SH7780_PCI_VCR2);
+
+ /* Enable all interrupts, so we know what to fix */
+ pci_write_reg(0x0000C3FF, SH7780_PCIIMR);
+ pci_write_reg(0x0000380F, SH7780_PCIAINTM);
+
+ /* Set up standard PCI config registers */
+ ctrl_outw(0xFB00, PCI_REG(SH7780_PCISTATUS));
+ ctrl_outw(0x0047, PCI_REG(SH7780_PCICMD));
+ ctrl_outb( 0x00, PCI_REG(SH7780_PCIPIF));
+ ctrl_outb( 0x00, PCI_REG(SH7780_PCISUB));
+ ctrl_outb( 0x06, PCI_REG(SH7780_PCIBCC));
+ ctrl_outw(0x1912, PCI_REG(SH7780_PCISVID));
+ ctrl_outw(0x0001, PCI_REG(SH7780_PCISID));
+
+ pci_write_reg(0x08000000, SH7780_PCIMBAR0); /* PCI */
+ pci_write_reg(0x08000000, SH7780_PCILAR0); /* SHwy */
+ pci_write_reg(0x07F00001, SH7780_PCILSR); /* size 128M w/ MBAR */
+
+ pci_write_reg(0x00000000, SH7780_PCIMBAR1);
+ pci_write_reg(0x00000000, SH7780_PCILAR1);
+ pci_write_reg(0x00000000, SH7780_PCILSR1);
+
+ pci_write_reg(0xAB000801, SH7780_PCIIBAR);
+
+ /*
+ * Set the MBR so PCI address is one-to-one with window,
+ * meaning all calls go straight through... use ifdef to
+ * catch erroneous assumption.
+ */
+ pci_write_reg(0xFD000000 , SH7780_PCIMBR0);
+ pci_write_reg(0x00FC0000 , SH7780_PCIMBMR0); /* 16M */
+
+ /* Set IOBR for window containing area specified in pci.h */
+ pci_write_reg(PCIBIOS_MIN_IO & ~(SH7780_PCI_IO_SIZE-1), SH7780_PCIIOBR);
+ pci_write_reg((SH7780_PCI_IO_SIZE-1) & (7 << 18), SH7780_PCIIOBMR);
+
+ pci_write_reg(0xA5000C01, SH7780_PCICR);
+
+ return 0;
+}