From fd6ac7bb9d671d36fd7536c68fde977d197756ab Mon Sep 17 00:00:00 2001 From: Dmitriy Taychenachev Date: Fri, 31 Jul 2009 20:29:22 +0900 Subject: MXC: add basic MXC91231 support Signed-off-by: Dmitriy Taychenachev Signed-off-by: Sascha Hauer --- arch/arm/mach-mxc91231/mm.c | 94 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 arch/arm/mach-mxc91231/mm.c (limited to 'arch/arm/mach-mxc91231/mm.c') diff --git a/arch/arm/mach-mxc91231/mm.c b/arch/arm/mach-mxc91231/mm.c new file mode 100644 index 00000000000..6becda3ff33 --- /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 +#include +#include +#include +#include +#include + +/* + * 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)); +} -- cgit v1.2.3