diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-10-25 15:38:09 +0200 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-11-17 08:58:09 +0100 |
| commit | 08ff97b5214143c3bd47add6ec49097cb848120a (patch) | |
| tree | c0782c278ba2f28f6f622be3ce82aa1a9ddb2e22 /arch/arm/mach-mx3/mm.c | |
| parent | ARM: imx: refactor the io mapping macro (diff) | |
| download | linux-08ff97b5214143c3bd47add6ec49097cb848120a.tar.xz linux-08ff97b5214143c3bd47add6ec49097cb848120a.zip | |
ARM: imx: use MXxy_IO_P2V macros to setup static mappings
This makes less code rely on the virtual constants.
To further simplify code and reduce the needed boilerplate when
defining the static mappings a new helper macro is defined in
mach/hardware.h.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3/mm.c')
| -rw-r--r-- | arch/arm/mach-mx3/mm.c | 53 |
1 files changed, 19 insertions, 34 deletions
diff --git a/arch/arm/mach-mx3/mm.c b/arch/arm/mach-mx3/mm.c index 809ee40b9f0e..193c18cd5304 100644 --- a/arch/arm/mach-mx3/mm.c +++ b/arch/arm/mach-mx3/mm.c @@ -36,40 +36,16 @@ * @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 = MX3x_X_MEMC_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(MX3x_X_MEMC_BASE_ADDR), - .length = MX3x_X_MEMC_SIZE, - .type = MT_DEVICE - }, { - .virtual = MX3x_AVIC_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(MX3x_AVIC_BASE_ADDR), - .length = MX3x_AVIC_SIZE, - .type = MT_DEVICE_NONSHARED - }, { - .virtual = MX3x_AIPS1_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(MX3x_AIPS1_BASE_ADDR), - .length = MX3x_AIPS1_SIZE, - .type = MT_DEVICE_NONSHARED - }, { - .virtual = MX3x_AIPS2_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(MX3x_AIPS2_BASE_ADDR), - .length = MX3x_AIPS2_SIZE, - .type = MT_DEVICE_NONSHARED - }, { - .virtual = MX3x_SPBA0_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(MX3x_SPBA0_BASE_ADDR), - .length = MX3x_SPBA0_SIZE, - .type = MT_DEVICE_NONSHARED - }, +#ifdef CONFIG_ARCH_MX31 +static struct map_desc mx31_io_desc[] __initdata = { + imx_map_entry(MX31, X_MEMC, MT_DEVICE), + imx_map_entry(MX31, AVIC, MT_DEVICE_NONSHARED), + imx_map_entry(MX31, AIPS1, MT_DEVICE_NONSHARED), + imx_map_entry(MX31, AIPS2, MT_DEVICE_NONSHARED), + imx_map_entry(MX31, SPBA0, MT_DEVICE_NONSHARED), }; -/*! +/* * 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. @@ -79,17 +55,26 @@ void __init mx31_map_io(void) mxc_set_cpu_type(MXC_CPU_MX31); mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR)); - iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); + iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc)); } +#endif #ifdef CONFIG_ARCH_MX35 +static struct map_desc mx35_io_desc[] __initdata = { + imx_map_entry(MX35, X_MEMC, MT_DEVICE), + imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED), + imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED), + imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED), + imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED), +}; + void __init mx35_map_io(void) { mxc_set_cpu_type(MXC_CPU_MX35); mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR)); mxc_arch_reset_init(MX35_IO_ADDRESS(MX3x_WDOG_BASE_ADDR)); - iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); + iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc)); } #endif |