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;
+}