diff options
author | Bai Ping <b51503@freescale.com> | 2015-08-06 03:37:44 +0800 |
---|---|---|
committer | Nitin Garg <nitin.garg@nxp.com> | 2016-01-14 10:55:13 -0600 |
commit | afde4fa8fceeaa4820f4fed791e11a3c60282a7f (patch) | |
tree | 88cdccc7fa88a4c25a37cbedd5e8ce01276212bb /arch | |
parent | e1440f956bc0f0453f859a7926390efb17e8d892 (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')
-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 f94bf72832af..b2bca911c9bc 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 399103b8e2c9..7b4187baf340 100644 --- a/arch/arm/boot/dts/imx6q.dtsi +++ b/arch/arm/boot/dts/imx6q.dtsi @@ -78,9 +78,9 @@ }; 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 aa23ba617bf3..6c99ab643a97 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -119,6 +119,18 @@ status = "disabled"; }; + 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 320a27f8889e..f39c35c829e5 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 e391d636f18e..f5f51fdacf30 100644 --- a/arch/arm/boot/dts/imx6sx.dtsi +++ b/arch/arm/boot/dts/imx6sx.dtsi @@ -141,8 +141,26 @@ 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>; }; |