u-boot: Replace custom fork by patchesag/rpi4-misc

The upstream branch might suffer rebases due to effort of pushing the
patches upstream. To avoid issues, let's have here the patches we need
for RPi 4 support.

Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>

1 files changed, 67 insertions, 0 deletions

diff --git a/recipes-bsp/u-boot/u-boot-2019.07/0004-arm-mach-bcm283x-Define-configs-for-RaspberryPi-4.patch b/recipes-bsp/u-boot/u-boot-2019.07/0004-arm-mach-bcm283x-Define-configs-for-RaspberryPi-4.patch
new file mode 100644
index 0000000..ce2a664
--- /dev/null
+++ b/recipes-bsp/u-boot/u-boot-2019.07/0004-arm-mach-bcm283x-Define-configs-for-RaspberryPi-4.patch
@@ -0,0 +1,67 @@
+From a343e3755ff8b85f453800fe165624687e4d5879 Mon Sep 17 00:00:00 2001
+From: Andrei Gherzan <andrei@balena.io>
+Date: Wed, 17 Jul 2019 15:33:01 +0100
+Subject: [PATCH 04/12] arm: mach-bcm283x: Define configs for RaspberryPi 4
+
+Signed-off-by: Andrei Gherzan <andrei@balena.io>
+Upstream-status: Pending
+---
+ arch/arm/mach-bcm283x/Kconfig | 35 +++++++++++++++++++++++++++++++++++
+ 1 file changed, 35 insertions(+)
+
+diff --git a/arch/arm/mach-bcm283x/Kconfig b/arch/arm/mach-bcm283x/Kconfig
+index 3eb5a9a897..d5069fe688 100644
+--- a/arch/arm/mach-bcm283x/Kconfig
++++ b/arch/arm/mach-bcm283x/Kconfig
+@@ -26,6 +26,23 @@ config BCM2837_64B
+        select BCM2837
+        select ARM64
+ 
++config BCM2838
++       bool "Broadcom BCM2838 SoC support"
++       depends on ARCH_BCM283X
++
++config BCM2838_32B
++       bool "Broadcom BCM2838 SoC 32-bit support"
++       depends on ARCH_BCM283X
++       select BCM2838
++       select ARMV7_LPAE
++       select CPU_V7A
++
++config BCM2838_64B
++       bool "Broadcom BCM2838 SoC 64-bit support"
++       depends on ARCH_BCM283X
++       select BCM2838
++       select ARM64
++
+ menu "Broadcom BCM283X family"
+        depends on ARCH_BCM283X
+ 
+@@ -127,6 +144,24 @@ config TARGET_RPI_3
+          This option creates a build targeting the ARMv8/AArch64 ISA.
+        select BCM2837_64B
+ 
++config TARGET_RPI_4
++       bool "Raspberry Pi 4 64-bit build"
++       help
++         Support for all BCM2838-based Raspberry Pi variants, such as
++         the RPi 4 model B, in AArch64 (64-bit) mode.
++
++         This option creates a build targeting the ARMv8/AArch64 ISA.
++       select BCM2838_64B
++
++config TARGET_RPI_4_32B
++       bool "Raspberry Pi 4 32-bit build"
++       help
++         Support for all BCM2838-based Raspberry Pi variants, such as
++         the RPi 4 model B, in AArch32 (32-bit) mode.
++
++         This option creates a build targeting the ARMv7/AArch32 ISA.
++       select BCM2838_32B
++
+ endchoice
+ 
+ config SYS_BOARD
+-- 
+2.22.0
+