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-rw-r--r--include/asm-arm/arch-omap/memory.h87
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diff --git a/include/asm-arm/arch-omap/memory.h b/include/asm-arm/arch-omap/memory.h
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+/*
+ * linux/include/asm-arm/arch-omap/memory.h
+ *
+ * Memory map for OMAP-1510 and 1610
+ *
+ * Copyright (C) 2000 RidgeRun, Inc.
+ * Author: Greg Lonnon <glonnon@ridgerun.com>
+ *
+ * This file was derived from linux/include/asm-arm/arch-intergrator/memory.h
+ * Copyright (C) 1999 ARM Limited
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * 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.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+/*
+ * Physical DRAM offset.
+ */
+#define PHYS_OFFSET (0x10000000UL)
+
+/*
+ * OMAP-1510 Local Bus address offset
+ */
+#define OMAP1510_LB_OFFSET (0x30000000UL)
+
+/*
+ * Conversion between SDRAM and fake PCI bus, used by USB
+ * NOTE: Physical address must be converted to Local Bus address
+ * on OMAP-1510 only
+ */
+
+/*
+ * Bus address is physical address, except for OMAP-1510 Local Bus.
+ */
+#define __virt_to_bus(x) __virt_to_phys(x)
+#define __bus_to_virt(x) __phys_to_virt(x)
+
+/*
+ * OMAP-1510 bus address is translated into a Local Bus address if the
+ * OMAP bus type is lbus. We do the address translation based on the
+ * device overriding the defaults used in the dma-mapping API.
+ * Note that the is_lbus_device() test is not very efficient on 1510
+ * because of the strncmp().
+ */
+#ifdef CONFIG_ARCH_OMAP1510
+
+#define virt_to_lbus(x) ((x) - PAGE_OFFSET + OMAP1510_LB_OFFSET)
+#define lbus_to_virt(x) ((x) - OMAP1510_LB_OFFSET + PAGE_OFFSET)
+#define is_lbus_device(dev) (cpu_is_omap1510() && dev && (strncmp(dev->bus_id, "ohci", 4) == 0))
+
+#define __arch_page_to_dma(dev, page) ({is_lbus_device(dev) ? \
+ (dma_addr_t)virt_to_lbus(page_address(page)) : \
+ (dma_addr_t)__virt_to_bus(page_address(page));})
+
+#define __arch_dma_to_virt(dev, addr) ({is_lbus_device(dev) ? \
+ lbus_to_virt(addr) : \
+ __bus_to_virt(addr);})
+
+#define __arch_virt_to_dma(dev, addr) ({is_lbus_device(dev) ? \
+ virt_to_lbus(addr) : \
+ __virt_to_bus(addr);})
+
+#endif /* CONFIG_ARCH_OMAP1510 */
+
+#define PHYS_TO_NID(addr) (0)
+#endif
+
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