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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-22 11:22:59 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-22 11:22:59 -0700
commit7578634990fb47cc30083fbd812689aa6deacfc0 (patch)
treef493860658579d9572a19b3a41fcea2de035e49f /arch/arm/mach-mx3/mm.c
parentd7f5e3df3574c6e38b99f5fe22f15540b2b9811d (diff)
parent5957a4eb284dd6f522b248b674792416466555b2 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (60 commits) [ARM] 4524/1: S3C: Move register out of include/asm-arm/arch-s3c2410 [ARM] 4523/1: S3C: Remove FIFO_MAX from uncompression headers [ARM] 4522/1: S3C: split include/asm-arm/arch/memory.h [ARM] 4521/2: S3C: Reorganise VA mapping headers [ARM] 4520/1: S3C: Remove old VA values from static map [ARM] 4519/1: S3C: split S3C2400 values out of S3C24XX map.h [ARM] 4518/1: S3C: Rename watchdog configuration options [ARM] 4517/1: S3C: Fix debug macros for ARM926 output [ARM] 4516/1: S3C: Fix uncompressor serial output for ARM926 [ARM] 4515/1: S3C: Move uncompress code to plat-s3c [ARM] 4514/1: S3C: Rename DEBUG_S3C2410_PORT and DEBUG_S3C_UART [ARM] 4513/1: S3C: Rename CONFIG_S3C2410_LOWLEVEL_UART_PORT [ARM] 4512/1: S3C: rename the debug macros for per-cpu updates [ARM] 4511/1: S3C: updated LLSERIAL Kconfig defines for CPU support [ARM] 4510/1: S3C: split debug-macro support into plat-s3c [ARM] 4509/1: S3C: Create initial arch/arm/plat-s3c [ARM] 4508/1: S3C: Move items to include/asm-arm/plat-s3c [ARM] 4461/1: MXC platform and i.MX31ADS core support [ARM] 4507/1: pxa2xx clock_event_device [ARM] 4497/1: Only allow safe cache configurations on ARMv6 and later ...
Diffstat (limited to 'arch/arm/mach-mx3/mm.c')
-rw-r--r--arch/arm/mach-mx3/mm.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mm.c b/arch/arm/mach-mx3/mm.c
new file mode 100644
index 00000000000..41dad485ded
--- /dev/null
+++ b/arch/arm/mach-mx3/mm.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 1999,2000 Arm Limited
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ * Copyright (C) 2002 Shane Nay (shane@minirl.com)
+ * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * - add MX31 specific definitions
+ *
+ * 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 program is distributed in the hope that 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/mm.h>
+#include <linux/init.h>
+#include <asm/hardware.h>
+#include <asm/pgtable.h>
+#include <asm/mach/map.h>
+#include <asm/arch/common.h>
+
+/*!
+ * @file mm.c
+ *
+ * @brief This file creates static virtual to physical mappings, common to all MX3 boards.
+ *
+ * @ingroup Memory
+ */
+
+/*!
+ * This table defines static virtual address mappings for I/O regions.
+ * These are the mappings common across all MX3 boards.
+ */
+static struct map_desc mxc_io_desc[] __initdata = {
+ {
+ .virtual = X_MEMC_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(X_MEMC_BASE_ADDR),
+ .length = X_MEMC_SIZE,
+ .type = MT_DEVICE
+ }, {
+ .virtual = AVIC_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(AVIC_BASE_ADDR),
+ .length = AVIC_SIZE,
+ .type = MT_NONSHARED_DEVICE
+ },
+};
+
+/*!
+ * This function initializes the memory map. It is called during the
+ * system startup to create static physical to virtual memory mappings
+ * for the IO modules.
+ */
+void __init mxc_map_io(void)
+{
+ iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
+}