diff options
author | Bai Ping <b51503@freescale.com> | 2015-08-06 03:37:44 +0800 |
---|---|---|
committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-23 16:42:35 +0300 |
commit | 21cd4d537ed8eb594d7a55ad101273ee81878bf4 (patch) | |
tree | d2ad4519a437a98c3ac3e5b953feb714a7e33d79 /arch/arm/boot | |
parent | f72a41e33fdb517a8d115b83ebef3b32aeecf592 (diff) |
MLK-11322-01 ARM: dts: imx: add ocram node used for lpm code
Reserve iram space for low power code. The first 16KB space
is used for suspend/resume and cpuidle. Another 4KB space is
for busfreq code.
for i.MX6SX, it has a dedicated ocram space start at 0x8f8000
for low power code.
Signed-off-by: Bai Ping <b51503@freescale.com>
Diffstat (limited to 'arch/arm/boot')
-rw-r--r-- | arch/arm/boot/dts/imx6dl.dtsi | 4 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx6q.dtsi | 4 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx6qdl.dtsi | 12 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx6sl.dtsi | 16 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx6sx.dtsi | 20 |
5 files changed, 49 insertions, 7 deletions
diff --git a/arch/arm/boot/dts/imx6dl.dtsi b/arch/arm/boot/dts/imx6dl.dtsi index 7aa120fbdc71..e88fd10aafc3 100644 --- a/arch/arm/boot/dts/imx6dl.dtsi +++ b/arch/arm/boot/dts/imx6dl.dtsi @@ -60,9 +60,9 @@ }; soc { - ocram: sram@00900000 { + ocram: sram@00905000 { compatible = "mmio-sram"; - reg = <0x00900000 0x20000>; + reg = <0x00905000 0x1B000>; clocks = <&clks IMX6QDL_CLK_OCRAM>; }; diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi index 908b269a016b..df00ee25b043 100644 --- a/arch/arm/boot/dts/imx6q.dtsi +++ b/arch/arm/boot/dts/imx6q.dtsi @@ -79,9 +79,9 @@ }; soc { - ocram: sram@00900000 { + ocram: sram@00905000 { compatible = "mmio-sram"; - reg = <0x00900000 0x40000>; + reg = <0x00905000 0x3B000>; clocks = <&clks IMX6QDL_CLK_OCRAM>; }; diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index b13b0b2db881..c93631a843e3 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -160,6 +160,18 @@ power-domains = <&gpc 1>; }; + ocrams: sram@00900000 { + compatible = "fsl,lpm-sram"; + reg = <0x00900000 0x4000>; + clocks = <&clks IMX6QDL_CLK_OCRAM>; + }; + + ocrams_ddr: sram@00904000 { + compatible = "fsl,ddr-lpm-sram"; + reg = <0x00904000 0x1000>; + clocks = <&clks IMX6QDL_CLK_OCRAM>; + }; + timer@00a00600 { compatible = "arm,cortex-a9-twd-timer"; reg = <0x00a00600 0x20>; diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi index 02378db3f5fc..cdebbf3ce380 100644 --- a/arch/arm/boot/dts/imx6sl.dtsi +++ b/arch/arm/boot/dts/imx6sl.dtsi @@ -99,9 +99,21 @@ interrupt-parent = <&gpc>; ranges; - ocram: sram@00900000 { + ocrams: sram@00900000 { + compatible = "fsl,lpm-sram"; + reg = <0x00900000 0x4000>; + clocks = <&clks IMX6SL_CLK_OCRAM>; + }; + + ocrams_ddr: sram@00904000 { + compatible = "fsl,ddr-lpm-sram"; + reg = <0x00904000 0x1000>; + clocks = <&clks IMX6SL_CLK_OCRAM>; + }; + + ocram: sram@00905000 { compatible = "mmio-sram"; - reg = <0x00900000 0x20000>; + reg = <0x00905000 0x1B000>; clocks = <&clks IMX6SL_CLK_OCRAM>; }; diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi index a885052157f0..a0e530781b96 100644 --- a/arch/arm/boot/dts/imx6sx.dtsi +++ b/arch/arm/boot/dts/imx6sx.dtsi @@ -143,8 +143,26 @@ interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>; }; - ocram: sram@00900000 { + ocrams: sram@008f8000 { + compatible = "fsl,lpm-sram"; + reg = <0x008f8000 0x4000>; + clocks = <&clks IMX6SX_CLK_OCRAM_S>; + }; + + ocrams_ddr: sram@00900000 { + compatible = "fsl,ddr-lpm-sram"; + reg = <0x00900000 0x1000>; + clocks = <&clks IMX6SX_CLK_OCRAM>; + }; + + ocram: sram@00901000 { compatible = "mmio-sram"; + reg = <0x00901000 0x1F000>; + clocks = <&clks IMX6SX_CLK_OCRAM>; + }; + + ocram_mf: sram-mf@00900000 { + compatible = "fsl,mega-fast-sram"; reg = <0x00900000 0x20000>; clocks = <&clks IMX6SX_CLK_OCRAM>; }; |