diff options
| -rw-r--r-- | arch/arm/mach-mx5/cpu.c | 19 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/mm.c | 19 |
2 files changed, 36 insertions, 2 deletions
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c index 8c9a29e322d..a00d2bc7246 100644 --- a/arch/arm/mach-mx5/cpu.c +++ b/arch/arm/mach-mx5/cpu.c @@ -1,5 +1,5 @@ /* - * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008-2010 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 @@ -92,6 +92,23 @@ static int __init mx51_neon_fixup(void) late_initcall(mx51_neon_fixup); #endif +/* + * Returns: + * the silicon revision of the cpu + * -EINVAL - not a mx53 + */ +int mx53_revision(void) +{ + if (!cpu_is_mx53()) + return -EINVAL; + + if (cpu_silicon_rev == -1) + query_silicon_parameter(); + + return cpu_silicon_rev; +} +EXPORT_SYMBOL(mx53_revision); + static int __init post_cpu_init(void) { unsigned int reg; diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c index 2822d0e6f23..cbaf282fb81 100644 --- a/arch/arm/mach-mx5/mm.c +++ b/arch/arm/mach-mx5/mm.c @@ -1,5 +1,5 @@ /* - * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008-2010 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 @@ -32,6 +32,15 @@ static struct map_desc mx51_io_desc[] __initdata = { }; /* + * Define the MX53 memory map. + */ +static struct map_desc mx53_io_desc[] __initdata = { + imx_map_entry(MX53, AIPS1, MT_DEVICE), + imx_map_entry(MX53, SPBA0, MT_DEVICE), + imx_map_entry(MX53, AIPS2, 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. @@ -44,6 +53,14 @@ void __init mx51_map_io(void) iotable_init(mx51_io_desc, ARRAY_SIZE(mx51_io_desc)); } +void __init mx53_map_io(void) +{ + mxc_set_cpu_type(MXC_CPU_MX53); + mxc_iomux_v3_init(MX53_IO_ADDRESS(MX53_IOMUXC_BASE_ADDR)); + mxc_arch_reset_init(MX53_IO_ADDRESS(MX53_WDOG_BASE_ADDR)); + iotable_init(mx53_io_desc, ARRAY_SIZE(mx53_io_desc)); +} + int imx51_register_gpios(void); void __init mx51_init_irq(void) |