提交 5512e88f 编写于 作者: H Holger Schurig 提交者: Sascha Hauer

arm/imx21: add kbuild support for the Freescale i.MX21

* adds Kconfig variables
* specifies different physical address for i.MX21 because of the
  different memory layouts
* disables support for UART5/UART6 in the i.MX serial driver
  (the i.MX21 doesn't have those modules)

Based on code from "Martin Fuzzey" <mfuzzey@gmail.com>
Signed-off-by: NHolger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
上级 ccfe30a7
comment "MX2 family CPU support"
depends on ARCH_MX2
choice
prompt "MX2 Type"
depends on ARCH_MX2
default MACH_MX21
config MACH_MX21
bool "i.MX21 support"
depends on ARCH_MX2
help
This enables support for Freescale's MX2 based i.MX21 processor.
config MACH_MX27
bool "i.MX27 support"
depends on ARCH_MX2
help
This enables support for Freescale's MX2 based i.MX27 processor.
endchoice
comment "MX2 Platforms"
depends on ARCH_MX2
......
zreladdr-y := 0xA0008000
params_phys-y := 0xA0000100
initrd_phys-y := 0xA0800000
zreladdr-$(CONFIG_MACH_MX21) := 0xC0008000
params_phys-$(CONFIG_MACH_MX21) := 0xC0000100
initrd_phys-$(CONFIG_MACH_MX21) := 0xC0800000
zreladdr-$(CONFIG_MACH_MX27) := 0xA0008000
params_phys-$(CONFIG_MACH_MX27) := 0xA0000100
initrd_phys-$(CONFIG_MACH_MX27) := 0xA0800000
......@@ -99,6 +99,7 @@ struct platform_device mxc_uart_device3 = {
.num_resources = ARRAY_SIZE(uart3),
};
#ifdef CONFIG_MACH_MX27
static struct resource uart4[] = {
{
.start = UART5_BASE_ADDR,
......@@ -136,3 +137,4 @@ struct platform_device mxc_uart_device5 = {
.resource = uart5,
.num_resources = ARRAY_SIZE(uart5),
};
#endif
......@@ -14,7 +14,12 @@
#if defined CONFIG_ARCH_MX1
#define PHYS_OFFSET UL(0x08000000)
#elif defined CONFIG_ARCH_MX2
#ifdef CONFIG_MACH_MX21
#define PHYS_OFFSET UL(0xC0000000)
#endif
#ifdef CONFIG_MACH_MX27
#define PHYS_OFFSET UL(0xA0000000)
#endif
#elif defined CONFIG_ARCH_MX3
#define PHYS_OFFSET UL(0x80000000)
#endif
......
......@@ -29,6 +29,10 @@
# define cpu_is_mx31() (0)
#endif
#ifndef CONFIG_MACH_MX21
# define cpu_is_mx21() (0)
#endif
#ifndef CONFIG_MACH_MX27
# define cpu_is_mx27() (0)
#endif
......
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