4 files changed, 137 insertions, 7 deletions

diff --git a/arch/arm/plat-iop/Makefile b/arch/arm/plat-iop/Makefile
index 23da00b11517..3250d732a171 100644
--- a/arch/arm/plat-iop/Makefile
+++ b/arch/arm/plat-iop/Makefile
@@ -2,7 +2,29 @@
 # Makefile for the linux kernel.
 #
 
-obj-y                   := gpio.o i2c.o pci.o setup.o time.o
-obj-m                   :=
-obj-n                   :=
-obj-                    :=
+obj-y :=
+
+# IOP32X
+obj-$(CONFIG_ARCH_IOP32X) += gpio.o
+obj-$(CONFIG_ARCH_IOP32X) += i2c.o
+obj-$(CONFIG_ARCH_IOP32X) += pci.o
+obj-$(CONFIG_ARCH_IOP32X) += setup.o
+obj-$(CONFIG_ARCH_IOP32X) += time.o
+obj-$(CONFIG_ARCH_IOP32X) += io.o
+obj-$(CONFIG_ARCH_IOP32X) += cp6.o
+
+# IOP33X
+obj-$(CONFIG_ARCH_IOP33X) += gpio.o
+obj-$(CONFIG_ARCH_IOP33X) += i2c.o
+obj-$(CONFIG_ARCH_IOP33X) += pci.o
+obj-$(CONFIG_ARCH_IOP33X) += setup.o
+obj-$(CONFIG_ARCH_IOP33X) += time.o
+obj-$(CONFIG_ARCH_IOP33X) += io.o
+obj-$(CONFIG_ARCH_IOP33X) += cp6.o
+
+# IOP13XX
+obj-$(CONFIG_ARCH_IOP13XX) += cp6.o
+
+obj-m                  :=
+obj-n                  :=
+obj-                   :=
diff --git a/arch/arm/plat-iop/cp6.c b/arch/arm/plat-iop/cp6.c
new file mode 100644
index 000000000000..9612a87e2a88
--- /dev/null
+++ b/arch/arm/plat-iop/cp6.c
@@ -0,0 +1,50 @@
+/*
+ * IOP Coprocessor-6 access handler
+ * Copyright (c) 2006, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ */
+#include <linux/init.h>
+#include <asm/traps.h>
+
+static int cp6_trap(struct pt_regs *regs, unsigned int instr)
+{
+        u32 temp;
+
+        /* enable cp6 access */
+        asm volatile (
+                "mrc    p15, 0, %0, c15, c1, 0\n\t"
+                "orr    %0, %0, #(1 << 6)\n\t"
+                "mcr    p15, 0, %0, c15, c1, 0\n\t"
+                : "=r"(temp));
+
+        return 0;
+}
+
+/* permit kernel space cp6 access
+ * deny user space cp6 access
+ */
+static struct undef_hook cp6_hook = {
+        .instr_mask     = 0x0f000ff0,
+        .instr_val      = 0x0e000610,
+        .cpsr_mask      = MODE_MASK,
+        .cpsr_val       = SVC_MODE,
+        .fn             = cp6_trap,
+};
+
+void __init iop_init_cp6_handler(void)
+{
+        register_undef_hook(&cp6_hook);
+}
diff --git a/arch/arm/plat-iop/io.c b/arch/arm/plat-iop/io.c
new file mode 100644
index 000000000000..f7eccecf2e47
--- /dev/null
+++ b/arch/arm/plat-iop/io.c
@@ -0,0 +1,58 @@
+/*
+ * iop3xx custom ioremap implementation
+ * Copyright (c) 2006, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+
+void * __iomem __iop3xx_ioremap(unsigned long cookie, size_t size,
+        unsigned long flags)
+{
+        void __iomem * retval;
+
+        switch (cookie) {
+        case IOP3XX_PCI_LOWER_IO_PA ... IOP3XX_PCI_UPPER_IO_PA:
+                retval = (void *) IOP3XX_PCI_IO_PHYS_TO_VIRT(cookie);
+                break;
+        case IOP3XX_PERIPHERAL_PHYS_BASE ... IOP3XX_PERIPHERAL_UPPER_PA:
+                retval = (void *) IOP3XX_PMMR_PHYS_TO_VIRT(cookie);
+                break;
+        default:
+                retval = __ioremap(cookie, size, flags);
+        }
+
+        return retval;
+}
+EXPORT_SYMBOL(__iop3xx_ioremap);
+
+void __iop3xx_iounmap(void __iomem *addr)
+{
+        extern void __iounmap(volatile void __iomem *addr);
+
+        switch ((u32) addr) {
+        case IOP3XX_PCI_LOWER_IO_VA ... IOP3XX_PCI_UPPER_IO_VA:
+        case IOP3XX_PERIPHERAL_VIRT_BASE ... IOP3XX_PERIPHERAL_UPPER_VA:
+                goto skip;
+        }
+        __iounmap(addr);
+
+skip:
+        return;
+}
+EXPORT_SYMBOL(__iop3xx_iounmap);
diff --git a/arch/arm/plat-iop/pci.c b/arch/arm/plat-iop/pci.c
index e647812654f2..b5f6ec35aafb 100644
--- a/arch/arm/plat-iop/pci.c
+++ b/arch/arm/plat-iop/pci.c
@@ -196,8 +196,8 @@ int iop3xx_pci_setup(int nr, struct pci_sys_data *sys)
         if (!res)
                 panic("PCI: unable to alloc resources");
 
-        res[0].start = IOP3XX_PCI_LOWER_IO_VA;
-        res[0].end   = IOP3XX_PCI_LOWER_IO_VA + IOP3XX_PCI_IO_WINDOW_SIZE - 1;
+        res[0].start = IOP3XX_PCI_LOWER_IO_PA;
+        res[0].end   = IOP3XX_PCI_LOWER_IO_PA + IOP3XX_PCI_IO_WINDOW_SIZE - 1;
         res[0].name  = "IOP3XX PCI I/O Space";
         res[0].flags = IORESOURCE_IO;
         request_resource(&ioport_resource, &res[0]);
@@ -209,7 +209,7 @@ int iop3xx_pci_setup(int nr, struct pci_sys_data *sys)
         request_resource(&iomem_resource, &res[1]);
 
         sys->mem_offset = IOP3XX_PCI_LOWER_MEM_PA - IOP3XX_PCI_LOWER_MEM_BA;
-        sys->io_offset  = IOP3XX_PCI_LOWER_IO_VA - IOP3XX_PCI_LOWER_IO_BA;
+        sys->io_offset  = IOP3XX_PCI_LOWER_IO_PA - IOP3XX_PCI_LOWER_IO_BA;
 
         sys->resource[0] = &res[0];
         sys->resource[1] = &res[1];