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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-12 16:00:54 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-12 16:00:54 -0800 |
commit | dca1d9f6d7ae428c193f32bd3e9a4ca13176648b (patch) | |
tree | 02de8c3503c1c811754423d2fa3f3b4978044f6e /arch/arm/mach-mx5/mm.c | |
parent | 9ff99339447de403a46be5e3f23d0c794d540b06 (diff) | |
parent | 91e013827c0bcbb187ecf02213c5446b6f62d445 (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (370 commits)
ARM: S3C2443: Add set_rate and round_rate calls for armdiv clock
ARM: S3C2443: Remove #if 0 for clk_mpll
ARM: S3C2443: Update notes on MPLLREF clock
ARM: S3C2443: Further clksrc-clk conversions
ARM: S3C2443: Change to using plat-samsung clksrc-clk implementation
USB: Fix s3c-hsotg build following Samsung platform header moves
ARM: S3C64XX: Reintroduce unconditional build of audio device
ARM: 5961/1: ux500: fix CLKRST addresses
ARM: 5977/1: arm: Enable backtrace printing on oops when PC is corrupted
ASoC: Fix S3C64xx IIS driver for Samsung header reorg
ARM: S3C2440: Fix plat-s3c24xx move of s3c2440/s3c2442 support
[ARM] pxa: fix typo in mxm8x10.h
[ARM] pxa/raumfeld: set GPIO drive bits for LED pins
[ARM] pxa/zeus: Add support for mcp2515 CAN bus
[ARM] pxa/zeus: Add support for onboard max6369 watchdog
[ARM] pxa/zeus: Add Eurotech as the manufacturer
[ARM] pxa/zeus: Correct the USB host initialisation flags
[ARM] pxa/zeus: Allow usage of 8250-compatible UART in uncompress
[ARM] pxa: refactor uncompress.h for non-PXA uarts
[ARM] mmp2: fix incorrect calling of chip->mask_ack() for 2nd level cascaded IRQs
...
Diffstat (limited to 'arch/arm/mach-mx5/mm.c')
-rw-r--r-- | arch/arm/mach-mx5/mm.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c new file mode 100644 index 00000000000..c21e18be7af --- /dev/null +++ b/arch/arm/mach-mx5/mm.c @@ -0,0 +1,89 @@ +/* + * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + * + * Create static mapping between physical to virtual memory. + */ + +#include <linux/mm.h> +#include <linux/init.h> + +#include <asm/mach/map.h> + +#include <mach/hardware.h> +#include <mach/common.h> +#include <mach/iomux-v3.h> + +/* + * Define the MX51 memory map. + */ +static struct map_desc mxc_io_desc[] __initdata = { + { + .virtual = MX51_IRAM_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MX51_IRAM_BASE_ADDR), + .length = MX51_IRAM_SIZE, + .type = MT_DEVICE + }, { + .virtual = MX51_DEBUG_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MX51_DEBUG_BASE_ADDR), + .length = MX51_DEBUG_SIZE, + .type = MT_DEVICE + }, { + .virtual = MX51_TZIC_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MX51_TZIC_BASE_ADDR), + .length = MX51_TZIC_SIZE, + .type = MT_DEVICE + }, { + .virtual = MX51_AIPS1_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MX51_AIPS1_BASE_ADDR), + .length = MX51_AIPS1_SIZE, + .type = MT_DEVICE + }, { + .virtual = MX51_SPBA0_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MX51_SPBA0_BASE_ADDR), + .length = MX51_SPBA0_SIZE, + .type = MT_DEVICE + }, { + .virtual = MX51_AIPS2_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MX51_AIPS2_BASE_ADDR), + .length = MX51_AIPS2_SIZE, + .type = MT_DEVICE + }, { + .virtual = MX51_NFC_AXI_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MX51_NFC_AXI_BASE_ADDR), + .length = MX51_NFC_AXI_SIZE, + .type = MT_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 mx51_map_io(void) +{ + u32 tzic_addr; + + if (mx51_revision() < MX51_CHIP_REV_2_0) + tzic_addr = 0x8FFFC000; + else + tzic_addr = 0xE0003000; + mxc_io_desc[2].pfn = __phys_to_pfn(tzic_addr); + + mxc_set_cpu_type(MXC_CPU_MX51); + mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR)); + mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG_BASE_ADDR)); + iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); +} + +void __init mx51_init_irq(void) +{ + tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR)); +} |