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ARM i.MX5: Add System Reset Controller (SRC) support for i.MX51 and i.MX53

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The SRC in i.MX51 and i.MX53 is similar to the one in i.MX6q minus
the IPU2 reset line and multi core CPU reset/enable bits.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Philipp Zabel 2013-03-28 17:35:22 +01:00 committed by Shawn Guo
parent 8d84c3740f
commit bd3d924d71
4 changed files with 8 additions and 2 deletions
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2
arch/arm/boot/dts/imx6qdl.dtsi
View File

@ -520,7 +520,7 @@
};
src: src@020d8000 {
compatible = "fsl,imx6q-src";
compatible = "fsl,imx6q-src", "fsl,imx51-src";
reg = <0x020d8000 0x4000>;
interrupts = <0 91 0x04 0 96 0x04>;
#reset-cells = <1>;

2
arch/arm/mach-imx/Kconfig
View File

@ -149,6 +149,7 @@ config SOC_IMX5
config SOC_IMX51
bool
select HAVE_IMX_SRC
select PINCTRL
select PINCTRL_IMX51
select SOC_IMX5
@ -774,6 +775,7 @@ comment "Device tree only"
config SOC_IMX53
bool "i.MX53 support"
select HAVE_CAN_FLEXCAN if CAN
select HAVE_IMX_SRC
select IMX_HAVE_PLATFORM_IMX2_WDT
select PINCTRL
select PINCTRL_IMX53

2
arch/arm/mach-imx/mm-imx5.c
View File

@ -84,6 +84,7 @@ void __init imx51_init_early(void)
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_WDOG1_BASE_ADDR));
imx_src_init();
}
void __init imx53_init_early(void)
@ -91,6 +92,7 @@ void __init imx53_init_early(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_WDOG1_BASE_ADDR));
imx_src_init();
}
void __init mx51_init_irq(void)

4
arch/arm/mach-imx/src.c
View File

@ -61,7 +61,9 @@ void __init imx_src_init(void)
struct device_node *np;
u32 val;
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-src");
np = of_find_compatible_node(NULL, NULL, "fsl,imx51-src");
if (!np)
return;
src_base = of_iomap(np, 0);
WARN_ON(!src_base);