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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-08 11:38:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-08 11:38:42 -0700
commit49b75b87ce2dfbd99e59a50c3681b154d07e3a22 (patch)
treef14e1da19a13d87a512f9043c2f37fd75dd122b3 /arch/arm/plat-omap/include/mach/memory.h
parentf1c7f79b6ab4f7ada002a0fae47f462ede6b6857 (diff)
parent097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (diff)
Merge branch 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 5177/1: arm/mach-sa1100/Makefile: remove CONFIG_SA1100_USB [ARM] 5166/1: magician: add MAINTAINERS entry [ARM] fix pnx4008 build errors [ARM] Fix SMP booting with non-zero PHYS_OFFSET [ARM] 5185/1: Fix spi num_chipselect for lubbock [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach [ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include [ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead [ARM] Eliminate useless includes of asm/mach-types.h [ARM] Fix circular include dependency with IRQ headers avr32: Use <mach/foo.h> instead of <asm/arch/foo.h> avr32: Introduce arch/avr32/mach-*/include/mach avr32: Move include/asm-avr32 to arch/avr32/include/asm [ARM] sa1100_wdt: use reset_status to remember watchdog reset status [ARM] pxa: introduce reset_status and clear_reset_status for driver's usage [ARM] pxa: introduce reset.h for reset specific header information
Diffstat (limited to 'arch/arm/plat-omap/include/mach/memory.h')
-rw-r--r--arch/arm/plat-omap/include/mach/memory.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/memory.h b/arch/arm/plat-omap/include/mach/memory.h
new file mode 100644
index 00000000000..037486c5f4a
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/memory.h
@@ -0,0 +1,103 @@
+/*
+ * arch/arm/plat-omap/include/mach/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 arch/arm/mach-intergrator/include/mach/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.
+ */
+#if defined(CONFIG_ARCH_OMAP1)
+#define PHYS_OFFSET UL(0x10000000)
+#elif defined(CONFIG_ARCH_OMAP2)
+#define PHYS_OFFSET UL(0x80000000)
+#endif
+
+/*
+ * 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_OMAP15XX
+
+/*
+ * OMAP-1510 Local Bus address offset
+ */
+#define OMAP1510_LB_OFFSET UL(0x30000000)
+
+#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_omap15xx() && 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_OMAP15XX */
+
+/* Override the ARM default */
+#ifdef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE
+
+#if (CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE == 0)
+#undef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE
+#define CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE 2
+#endif
+
+#define CONSISTENT_DMA_SIZE \
+ (((CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE + 1) & ~1) * 1024 * 1024)
+
+#endif
+
+#endif
+