凌云实验室推出的ARM Linux物联网网关开发板IGKBoard(IoT Gateway Kit Board)项目源码
guowenxue
2022-10-06 e77618540841b570ae6688e5f9469c77c0619112
bsp/kernel/patch/linux-imx-lf-5.15.32-2.0.0.patch
@@ -1,6 +1,6 @@
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/igkboard.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/igkboard.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/igkboard.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/igkboard.dts
--- linux-imx/arch/arm/boot/dts/igkboard.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/igkboard.dts   2022-08-19 14:01:27.305746539 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/igkboard.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,603 @@
+/*
+ * Device Tree Source for LingYun IGKBoard(IoT Gateway Kit Board)
@@ -197,7 +197,7 @@
+   status = "okay";
+};
+
+&pwm2 {
+&pwm2 {
+   #pwm-cells = <2>;
+   pinctrl-names = "default";
+   pinctrl-0 = <&pinctrl_pwm2>;
@@ -490,7 +490,7 @@
+
+   pinctrl_pwm1: pwm1grp {
+      fsl,pins = <
+         MX6UL_PAD_GPIO1_IO08__PWM1_OUT         0x110b0
+         MX6UL_PAD_GPIO1_IO08__PWM1_OUT         0x110b0
+      >;
+   };
+
@@ -521,7 +521,7 @@
+         MX6UL_PAD_SD1_DATA1__USDHC1_DATA1    0x17059
+         MX6UL_PAD_SD1_DATA2__USDHC1_DATA2    0x17059
+         MX6UL_PAD_SD1_DATA3__USDHC1_DATA3    0x17059
+         MX6UL_PAD_UART1_RTS_B__GPIO1_IO19       0x17059
+         MX6UL_PAD_UART1_RTS_B__GPIO1_IO19       0x17059
+      >;
+   };
+
@@ -606,9 +606,9 @@
+
+};
\ No newline at end of file
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/Makefile linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/Makefile
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/Makefile linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/Makefile
--- linux-imx/arch/arm/boot/dts/Makefile   2022-07-22 03:24:17.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/Makefile   2022-08-17 16:29:00.234659611 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/Makefile   2022-10-06 10:55:47.564618629 +0800
@@ -1586,3 +1586,6 @@
    aspeed-bmc-portwell-neptune.dtb \
    aspeed-bmc-quanta-q71l.dtb \
@@ -616,9 +616,9 @@
+DTC_FLAGS_igkboard := -@
+dtb-$(CONFIG_SOC_IMX6UL) += igkboard.dtb
+subdir-$(CONFIG_SOC_IMX6UL) += overlays
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/cam.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/cam.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/cam.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/cam.dts
--- linux-imx/arch/arm/boot/dts/overlays/cam.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/cam.dts   2022-08-17 17:08:09.243758012 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/cam.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -644,9 +644,9 @@
+   };
+};
+
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/can1.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/can1.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/can1.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/can1.dts
--- linux-imx/arch/arm/boot/dts/overlays/can1.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/can1.dts   2022-08-17 17:08:09.243758012 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/can1.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -676,9 +676,9 @@
+   };   
+};
+
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/can2.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/can2.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/can2.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/can2.dts
--- linux-imx/arch/arm/boot/dts/overlays/can2.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/can2.dts   2022-08-17 17:08:09.243758012 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/can2.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -708,9 +708,9 @@
+   };
+};
+
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/i2c1.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/i2c1.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/i2c1.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/i2c1.dts
--- linux-imx/arch/arm/boot/dts/overlays/i2c1.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/i2c1.dts   2022-08-17 17:08:09.243758012 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/i2c1.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -740,9 +740,9 @@
+   };   
+};
+
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/lcd.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/lcd.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/lcd.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/lcd.dts
--- linux-imx/arch/arm/boot/dts/overlays/lcd.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/lcd.dts   2022-08-17 17:08:09.243758012 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/lcd.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -833,9 +833,9 @@
+      >;
+   };
+};
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/Makefile linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/Makefile
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/Makefile linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/Makefile
--- linux-imx/arch/arm/boot/dts/overlays/Makefile   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/Makefile   2022-08-17 16:50:02.038021245 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/Makefile   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0
+# required for overlay support
@@ -856,9 +856,9 @@
+dtb-y += cam.dtbo
+dtb-y += nbiot-4g.dtbo
\ No newline at end of file
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/nbiot-4g.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/nbiot-4g.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/nbiot-4g.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/nbiot-4g.dts
--- linux-imx/arch/arm/boot/dts/overlays/nbiot-4g.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/nbiot-4g.dts   2022-08-17 17:08:09.243758012 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/nbiot-4g.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -894,9 +894,9 @@
+   };
+};
+
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/pwm7.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/pwm7.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/pwm7.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/pwm7.dts
--- linux-imx/arch/arm/boot/dts/overlays/pwm7.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/pwm7.dts   2022-08-17 17:08:09.243758012 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/pwm7.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -926,9 +926,9 @@
+   };
+};
+
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/pwm8.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/pwm8.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/pwm8.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/pwm8.dts
--- linux-imx/arch/arm/boot/dts/overlays/pwm8.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/pwm8.dts   2022-08-17 17:08:09.247758023 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/pwm8.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -958,9 +958,9 @@
+   };
+};
+
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/spi1.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/spi1.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/spi1.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/spi1.dts
--- linux-imx/arch/arm/boot/dts/overlays/spi1.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/spi1.dts   2022-08-17 17:08:09.247758023 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/spi1.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1001,9 +1001,9 @@
+      >;
+   };   
+};
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/uart2.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart2.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/uart2.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart2.dts
--- linux-imx/arch/arm/boot/dts/overlays/uart2.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart2.dts   2022-08-17 17:08:09.247758023 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart2.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1031,9 +1031,9 @@
+      >;
+   };
+};
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/uart3.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart3.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/uart3.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart3.dts
--- linux-imx/arch/arm/boot/dts/overlays/uart3.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart3.dts   2022-08-17 17:08:09.247758023 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart3.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1062,9 +1062,9 @@
+   };
+};
+
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/uart4.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart4.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/uart4.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart4.dts
--- linux-imx/arch/arm/boot/dts/overlays/uart4.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart4.dts   2022-08-17 17:08:09.247758023 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart4.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1093,9 +1093,9 @@
+   };
+};
+
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/uart7.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart7.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/uart7.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart7.dts
--- linux-imx/arch/arm/boot/dts/overlays/uart7.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart7.dts   2022-08-17 17:08:09.251758033 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/uart7.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1124,9 +1124,9 @@
+   };
+};
+
diff -Naur --no-dereference linux-imx/arch/arm/boot/dts/overlays/w1.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/w1.dts
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/w1.dts linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/w1.dts
--- linux-imx/arch/arm/boot/dts/overlays/w1.dts   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/w1.dts   2022-08-17 17:08:09.251758033 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/boot/dts/overlays/w1.dts   2022-10-06 10:55:47.564618629 +0800
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1159,10 +1159,10 @@
+   };
+};
+
diff -Naur --no-dereference linux-imx/arch/arm/configs/igkboard_defconfig linux-imx-lf-5.15.32-2.0.0/arch/arm/configs/igkboard_defconfig
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/configs/igkboard_defconfig linux-imx-lf-5.15.32-2.0.0/arch/arm/configs/igkboard_defconfig
--- linux-imx/arch/arm/configs/igkboard_defconfig   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/configs/igkboard_defconfig   2022-08-17 16:59:19.602587591 +0800
@@ -0,0 +1,588 @@
+++ linux-imx-lf-5.15.32-2.0.0/arch/arm/configs/igkboard_defconfig   2022-10-06 11:05:22.312555493 +0800
@@ -0,0 +1,587 @@
+CONFIG_KERNEL_LZO=y
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
@@ -1227,6 +1227,8 @@
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_TLS=y
+CONFIG_TLS_DEVICE=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_PNP=y
@@ -1407,6 +1409,9 @@
+CONFIG_GPIO_PCF857X=y
+CONFIG_GPIO_STMPE=y
+CONFIG_GPIO_74X164=y
+CONFIG_W1=y
+CONFIG_W1_MASTER_GPIO=y
+CONFIG_W1_SLAVE_THERM=y
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_SYSCON=y
+CONFIG_POWER_RESET_SYSCON_POWEROFF=y
@@ -1721,7 +1726,10 @@
+CONFIG_CRYPTO_TEA=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_CRYPTO_ANSI_CPRNG=m
+CONFIG_CRYPTO_USER_API_HASH=m
+CONFIG_CRYPTO_USER_API_SKCIPHER=m
+CONFIG_CRYPTO_USER_API_RNG=m
+CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_DEV_FSL_CAAM_SECVIO=m
+CONFIG_CRYPTO_DEV_FSL_CAAM=m
+CONFIG_CRYPTO_DEV_FSL_CAAM_SM_TEST=m
@@ -1742,25 +1750,27 @@
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_DEBUG_PREEMPT is not set
+# CONFIG_FTRACE is not set
+
+# enable AF_ALG
+CONFIG_CRYPTO_USER_API_HASH=m
+CONFIG_CRYPTO_USER_API_SKCIPHER=m
+CONFIG_CRYPTO_USER_API_AEAD=m
+
+# enable KTLS
+CONFIG_TLS=y
+CONFIG_TLS_DEVICE=y
diff -Naur --no-dereference linux-imx/Makefile linux-imx-lf-5.15.32-2.0.0/Makefile
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/drivers/video/backlight/pwm_bl.c linux-imx-lf-5.15.32-2.0.0/drivers/video/backlight/pwm_bl.c
--- linux-imx/drivers/video/backlight/pwm_bl.c   2022-07-22 03:24:23.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/drivers/video/backlight/pwm_bl.c   2022-10-06 11:02:43.047970154 +0800
@@ -552,6 +552,7 @@
    if (!state.period && (data->pwm_period_ns > 0))
       state.period = data->pwm_period_ns;
+   state.enabled = true; /*  Add by guowenxue to enalbe backlight as default */
    ret = pwm_apply_state(pb->pwm, &state);
    if (ret) {
       dev_err(&pdev->dev, "failed to apply initial PWM state: %d\n",
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/Makefile linux-imx-lf-5.15.32-2.0.0/Makefile
--- linux-imx/Makefile   2022-07-22 03:24:17.000000000 +0800
+++ linux-imx-lf-5.15.32-2.0.0/Makefile   2022-08-17 17:10:48.063765985 +0800
+++ linux-imx-lf-5.15.32-2.0.0/Makefile   2022-10-06 10:55:47.568618548 +0800
@@ -382,6 +382,8 @@
 # Default value for CROSS_COMPILE is not to prefix executables
 # Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile
 ARCH      ?= $(SUBARCH)
+ARCH = arm
+CROSS_COMPILE ?= /opt/buildroot/cortexA7/bin/arm-linux-
+CROSS_COMPILE?=/opt/buildroot/cortexA7/bin/arm-linux-
 # Architecture as present in compile.h
 UTS_MACHINE    := $(ARCH)
@@ -1880,6 +1882,7 @@