target/linux/bcm27xx/patches-4.19/950-0562-2711-Add-basic-64-bit-support.patch

   1 From 0e7db01b8ce2c2fb5596e7a9b7104e9947e5c269 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Fri, 8 Mar 2019 21:12:39 +0000
   4 Subject: [PATCH] 2711: Add basic 64-bit support
   5
   6 This commit adds initial support for 64-bit 2711 builds. However,
   7 it will only work as much as it does if the Pi4 RAM is limited to
   8 1GB - more than that and several things break (SD card, coherent
   9 allocations, etc.)
  10
  11 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
  12 ---
  13  arch/arm64/boot/dts/broadcom/Makefile         |    1 +
  14  .../boot/dts/broadcom/bcm2711-rpi-4-b.dts     |    3 +
  15  3 files changed, 1295 insertions(+)
  16  create mode 100644 arch/arm64/boot/dts/broadcom/bcm2711-rpi-4-b.dts
  17
  18 --- a/arch/arm64/boot/dts/broadcom/Makefile
  19 +++ b/arch/arm64/boot/dts/broadcom/Makefile
  20 @@ -3,6 +3,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rp
  21                               bcm2837-rpi-3-b-plus.dtb
  22  dtb-$(CONFIG_ARCH_BCM2709) += bcm2710-rpi-3-b.dtb
  23  dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-3-b.dtb
  24 +dtb-$(CONFIG_ARCH_BCM2835) += bcm2711-rpi-4-b.dtb
  25  dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-3-b-plus.dtb
  26  dtb-$(CONFIG_ARCH_BCM2709) += bcm2710-rpi-cm3.dtb
  27  dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-cm3.dtb
  28 --- /dev/null
  29 +++ b/arch/arm64/boot/dts/broadcom/bcm2711-rpi-4-b.dts
  30 @@ -0,0 +1,3 @@
  31 +#define RPI364
  32 +
  33 +#include "../../../../arm/boot/dts/bcm2711-rpi-4-b.dts"