board: add support for WarPboard
This is a set of patch to add support for warpboard (Freescale board based on imx6sl) The patch contains : - defconfig for warpboard - linux patches from Fabio Estevam to fix device tree due to last change on warpboard schematics (rev 1.12) and to fix kernel imx_v6_v7 defconfig which use incorrect hci protocol - specific firmware file for warpboard bluetooth nvram : brcmfmac4330-sdio.txt Origin of nvram config file for wifi : https://github.com/Freescale/meta-fsl-arm-extra [Thomas: misc rewording/improvements in the README file.] Signed-off-by: Arthur LAMBERT <arthur@dreem.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Arthur LAMBERT
Thomas Petazzoni
parent
2e52be7982
commit
2c6e667caa
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Build
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=====
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First, configure Buildroot for your WarpBoard.
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make warpboard_defconfig
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Build all components:
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make
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You will find in ./output/images/ the following files:
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- imx6sl-warp.dtb
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- rootfs.tar
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- u-boot.imx
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- zImage
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Update uboot
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============
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- Put warpboard in USB download mode by closing the j2 jumper on the
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daugther board
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- Load u-boot.imx in the WarpBoard by using the imx-usb-loader host utility:
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$ ./output/host/usr/bin/imx_usb -c output/host/etc/imx-loader.d/ output/images/u-boot.imx
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- U-Boot will appear in minicom
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- Reset the U-Boot environment to its default:
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=> env default -f -a
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=> saveenv
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- Run the DFU toocommand in U-Boot:
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=> dfu 0 mmc 0
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- Transfer U-Boot into flash by running this command in host side:
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$ sudo ./output/host/usr/bin/dfu-util -D output/images/u-boot.imx -a boot
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- remove power and put the WarpBoard back into normal boot mode by
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opening the j2 jumper.
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Update linux & rootfs
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=====================
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Run the 'ums' command from the u6Boot prompt to mount the eMMC as mass
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storage and update zImage, device tree (imx6sl-warp.dtb) and rootfs
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file (rootfs.tar) :
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=> ums 0 mmc 0
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Put the zImage and DTB files in the warp-vfat partition and extract as
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root the rootfs.tar tarball in the warp-rootfs partition.
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Using bluetooth
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================
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Enable the bluez_utils or bluez5_utils package, and then run:
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$ hciattach /dev/ttymxc4 any
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$ hciconfig hci0 up
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Using Wifi
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==========
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$ ifconfig wlan0 up
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@ -0,0 +1,34 @@
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From f6878a437a5ba157fd087ef5e1874bdce5eca199 Mon Sep 17 00:00:00 2001
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From: Fabio Estevam <fabio.estevam@freescale.com>
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Date: Mon, 22 Jun 2015 16:37:34 -0300
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Subject: [PATCH] ARM: imx_v6_v7_defconfig: Select HCIUART_H4
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The old warp board revision had hardware issues that prevented
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the RTS/CTS lines to work with the Bluetooth module.
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Tha latest rev1.12 fixes this problem, so now we should better use
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CONFIG_BT_HCIUART_H4 instead, as it provides a better throughput than
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the CONFIG_BT_HCIUART_3WIRE option.
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Suggested-by: Arthur Lambert <arthur@dreem.com>
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Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
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---
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arch/arm/configs/imx_v6_v7_defconfig | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig
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index f6989fb..c864295 100644
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--- a/arch/arm/configs/imx_v6_v7_defconfig
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+++ b/arch/arm/configs/imx_v6_v7_defconfig
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@@ -73,7 +73,7 @@ CONFIG_CAN=y
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CONFIG_CAN_FLEXCAN=y
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CONFIG_BT=y
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CONFIG_BT_HCIUART=y
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-CONFIG_BT_HCIUART_3WIRE=y
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+CONFIG_BT_HCIUART_H4=y
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CONFIG_CFG80211=y
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CONFIG_CFG80211_WEXT=y
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CONFIG_MAC80211=y
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--
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1.9.1
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@ -0,0 +1,103 @@
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From: Fabio Estevam <fabio.estevam@freescale.com>
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Date: Fri, 29 May 2015 16:19:39 -0300
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Subject: [PATCH] ARM: dts: imx6sl-warp: Add changes for rev1.12
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Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
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---
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arch/arm/boot/dts/imx6sl-warp.dts | 32 +++++++++++++++++++-------------
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1 file changed, 19 insertions(+), 13 deletions(-)
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diff --git a/arch/arm/boot/dts/imx6sl-warp.dts b/arch/arm/boot/dts/imx6sl-warp.dts
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index 0da906b..bdfa82b 100644
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--- a/arch/arm/boot/dts/imx6sl-warp.dts
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+++ b/arch/arm/boot/dts/imx6sl-warp.dts
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@@ -61,7 +61,9 @@
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usdhc3_pwrseq: usdhc3_pwrseq {
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compatible = "mmc-pwrseq-simple";
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reset-gpios = <&gpio4 5 GPIO_ACTIVE_LOW>, /* WL_REG_ON */
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+ <&gpio4 7 GPIO_ACTIVE_LOW>, /* WL_HOSTWAKE */
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<&gpio3 25 GPIO_ACTIVE_LOW>, /* BT_REG_ON */
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+ <&gpio3 27 GPIO_ACTIVE_LOW>, /* BT_HOSTWAKE */
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<&gpio4 4 GPIO_ACTIVE_LOW>, /* BT_WAKE */
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<&gpio4 6 GPIO_ACTIVE_LOW>; /* BT_RST_N */
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};
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@@ -73,16 +75,16 @@
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status = "okay";
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};
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-&uart2 {
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+&uart3 {
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pinctrl-names = "default";
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- pinctrl-0 = <&pinctrl_uart2>;
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- fsl,uart-has-rtscts;
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+ pinctrl-0 = <&pinctrl_uart3>;
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status = "okay";
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};
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-&uart3 {
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+&uart5 {
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pinctrl-names = "default";
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- pinctrl-0 = <&pinctrl_uart3>;
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+ pinctrl-0 = <&pinctrl_uart5>;
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+ fsl,uart-has-rtscts;
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status = "okay";
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};
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@@ -130,14 +132,6 @@
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>;
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};
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- pinctrl_uart2: uart2grp {
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- fsl,pins = <
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- MX6SL_PAD_EPDC_D12__UART2_RX_DATA 0x41b0b1
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- MX6SL_PAD_EPDC_D13__UART2_TX_DATA 0x41b0b1
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- MX6SL_PAD_EPDC_D14__UART2_RTS_B 0x4130B1
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- MX6SL_PAD_EPDC_D15__UART2_CTS_B 0x4130B1
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- >;
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- };
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pinctrl_uart3: uart3grp {
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fsl,pins = <
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@@ -146,6 +140,15 @@
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>;
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};
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+ pinctrl_uart5: uart5grp {
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+ fsl,pins = <
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+ MX6SL_PAD_ECSPI1_SCLK__UART5_RX_DATA 0x41b0b1
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+ MX6SL_PAD_ECSPI1_MOSI__UART5_TX_DATA 0x41b0b1
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+ MX6SL_PAD_ECSPI1_MISO__UART5_RTS_B 0x4130b1
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+ MX6SL_PAD_ECSPI1_SS0__UART5_CTS_B 0x4130b1
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+ >;
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+ };
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+
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pinctrl_usdhc2: usdhc2grp {
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fsl,pins = <
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MX6SL_PAD_SD2_CMD__SD2_CMD 0x417059
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@@ -158,6 +161,7 @@
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MX6SL_PAD_SD2_DAT5__SD2_DATA5 0x417059
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MX6SL_PAD_SD2_DAT6__SD2_DATA6 0x417059
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MX6SL_PAD_SD2_DAT7__SD2_DATA7 0x417059
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+ MX6SL_PAD_SD2_RST__SD2_RESET 0x417059
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>;
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};
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@@ -173,6 +177,7 @@
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MX6SL_PAD_SD2_DAT5__SD2_DATA5 0x4170b9
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MX6SL_PAD_SD2_DAT6__SD2_DATA6 0x4170b9
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MX6SL_PAD_SD2_DAT7__SD2_DATA7 0x4170b9
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+ MX6SL_PAD_SD2_RST__SD2_RESET 0x4170b9
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>;
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};
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@@ -188,6 +193,7 @@
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MX6SL_PAD_SD2_DAT5__SD2_DATA5 0x4170f9
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MX6SL_PAD_SD2_DAT6__SD2_DATA6 0x4170f9
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MX6SL_PAD_SD2_DAT7__SD2_DATA7 0x4170f9
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+ MX6SL_PAD_SD2_RST__SD2_RESET 0x4170f9
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>;
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};
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--
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1.9.1
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# bcm94330wlsdgb.txt
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manfid=0x2d0
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prodid=0x0552
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vendid=0x14e4
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devid=0x4360
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boardtype=0x0552
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boardrev=0x11
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# this design has 2.4GHz SP3T switch
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boardflags=0x00080200
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nocrc=1
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xtalfreq=37400
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boardnum=22
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macaddr=00:90:4c:c5:12:38
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ag0=255
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aa2g=1
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ccode=CN
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pa0b0=0x14d0
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pa0b1=0xfd98
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pa0b2=0xff78
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rssismf2g=0xa
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rssismc2g=0x3
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rssisav2g=0x7
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maxp2ga0=0x50
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sromrev=3
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il0macaddr=00:90:4c:c5:12:38
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wl0id=0x431b
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cckPwrOffset=5
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ofdm2gpo=0x66666666
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mcs2gpo0=0x6666
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mcs2gpo1=0x6666
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swctrlmap_2g=0x04040404,0x02020202,0x02020404,0x10202,0x1ff
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swctrlmap_5g=0x00100010,0x00280020,0x00200010,0x14202,0x2f8
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rfreg033=0x19
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rfreg033_cck=0x1f
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dacrate2g=160
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txalpfbyp2g=1
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bphyscale=17
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cckPwrIdxCorr=-15
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pacalidx2g=45
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txgaintbl=1
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# architecture
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BR2_arm=y
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BR2_cortex_a9=y
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# patches
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BR2_GLOBAL_PATCH_DIR="board/freescale/warpboard/patches/"
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# lock to 4.0 headers to avoid breaking with newer kernels
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BR2_KERNEL_HEADERS_VERSION=y
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BR2_DEFAULT_KERNEL_VERSION="4.0"
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BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_0=y
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# system
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BR2_TARGET_GENERIC_HOSTNAME="warpboard"
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BR2_TARGET_GENERIC_GETTY_PORT="ttymxc0"
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# rootfs overlay
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BR2_ROOTFS_OVERLAY="board/freescale/warpboard/rootfs_overlay"
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# kernel
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BR2_LINUX_KERNEL=y
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BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
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BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="http://github.com/Freescale/linux-fslc/tarball/38ec11d/linux-fslc-38ec11d.tar.gz"
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BR2_LINUX_KERNEL_DEFCONFIG="imx_v6_v7"
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BR2_LINUX_KERNEL_ZIMAGE=y
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BR2_LINUX_KERNEL_DTS_SUPPORT=y
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BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6sl-warp"
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# wifi firmware for brcm4330
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BR2_PACKAGE_LINUX_FIRMWARE=y
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BR2_PACKAGE_LINUX_FIRMWARE_BRCM_BCM43XX=y
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# uboot
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BR2_TARGET_UBOOT=y
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BR2_TARGET_UBOOT_BOARDNAME="warp"
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BR2_TARGET_UBOOT_CUSTOM_VERSION=y
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BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2015.07-rc2"
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BR2_TARGET_UBOOT_FORMAT_IMX=y
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# host utility
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BR2_PACKAGE_HOST_DFU_UTIL=y
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BR2_PACKAGE_HOST_IMX_USB_LOADER=y
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