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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-09-12 12:02:26 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-12 12:02:26 +0100 |
commit | ddd559b13f6d2fe3ad68c4b3f5235fd3c2eae4e3 (patch) | |
tree | d827bca3fc825a0ac33efbcd493713be40fcc812 /arch/arm/mach-mxc91231/mm.c | |
parent | cf7a2b4fb6a9b86779930a0a123b0df41aa9208f (diff) | |
parent | f17a1f06d2fa93f4825be572622eb02c4894db4e (diff) |
Merge branch 'devel-stable' into devel
Conflicts:
MAINTAINERS
arch/arm/mm/fault.c
Diffstat (limited to 'arch/arm/mach-mxc91231/mm.c')
-rw-r--r-- | arch/arm/mach-mxc91231/mm.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/arm/mach-mxc91231/mm.c b/arch/arm/mach-mxc91231/mm.c new file mode 100644 index 000000000000..6becda3ff331 --- /dev/null +++ b/arch/arm/mach-mxc91231/mm.c @@ -0,0 +1,94 @@ +/* + * Copyright (C) 1999,2000 Arm Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * Copyright (C) 2002 Shane Nay (shane@minirl.com) + * Copyright 2004-2005 Freescale Semiconductor, Inc. All Rights Reserved. + * - add MXC specific definitions + * Copyright 2006 Motorola, Inc. + * + * 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 <mach/hardware.h> +#include <mach/common.h> +#include <asm/pgtable.h> +#include <asm/mach/map.h> + +/* + * This structure defines the MXC memory map. + */ +static struct map_desc mxc_io_desc[] __initdata = { + { + .virtual = MXC91231_L2CC_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MXC91231_L2CC_BASE_ADDR), + .length = MXC91231_L2CC_SIZE, + .type = MT_DEVICE, + }, { + .virtual = MXC91231_X_MEMC_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MXC91231_X_MEMC_BASE_ADDR), + .length = MXC91231_X_MEMC_SIZE, + .type = MT_DEVICE, + }, { + .virtual = MXC91231_ROMP_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MXC91231_ROMP_BASE_ADDR), + .length = MXC91231_ROMP_SIZE, + .type = MT_DEVICE, + }, { + .virtual = MXC91231_AVIC_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MXC91231_AVIC_BASE_ADDR), + .length = MXC91231_AVIC_SIZE, + .type = MT_DEVICE, + }, { + .virtual = MXC91231_AIPS1_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MXC91231_AIPS1_BASE_ADDR), + .length = MXC91231_AIPS1_SIZE, + .type = MT_DEVICE, + }, { + .virtual = MXC91231_SPBA0_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MXC91231_SPBA0_BASE_ADDR), + .length = MXC91231_SPBA0_SIZE, + .type = MT_DEVICE, + }, { + .virtual = MXC91231_SPBA1_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MXC91231_SPBA1_BASE_ADDR), + .length = MXC91231_SPBA1_SIZE, + .type = MT_DEVICE, + }, { + .virtual = MXC91231_AIPS2_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MXC91231_AIPS2_BASE_ADDR), + .length = MXC91231_AIPS2_SIZE, + .type = MT_DEVICE, + }, +}; + +/* + * This function initializes the memory map. It is called during the + * system startup to create static physical to virtual memory map for + * the IO modules. + */ +void __init mxc91231_map_io(void) +{ + mxc_set_cpu_type(MXC_CPU_MXC91231); + + iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); +} + +void __init mxc91231_init_irq(void) +{ + mxc_init_irq(MXC91231_IO_ADDRESS(MXC91231_AVIC_BASE_ADDR)); +} |