[bug#72987] [PATCH v3 3/5] gnu: u-boot: Use DDR3 patch for Nano Pi R4S.

[Herman Rimm via Guix-patches via <guix-patches@gnu.org>]

* gnu/packages/bootloaders.scm (u-boot)[source]: Use patch.
* gnu/packages/patches/u-boot-nanopi-r4s-ddr3.patch: Add file.
* gnu/local.mk (dist_patch_DATA): Register patch.

Change-Id: Ibbf952f2806c9cac7fc29e1264d427bf6ee67d01
---
 gnu/local.mk                                  |  1 +
 gnu/packages/bootloaders.scm                  |  1 +
 .../patches/u-boot-nanopi-r4s-ddr3.patch      | 33 +++++++++++++++++++
 3 files changed, 35 insertions(+)
 create mode 100644 gnu/packages/patches/u-boot-nanopi-r4s-ddr3.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 4da94f68e2..4852c427b2 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -2277,6 +2277,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/u-boot-allow-disabling-openssl.patch	\
   %D%/packages/patches/u-boot-nintendo-nes-serial.patch		\
   %D%/packages/patches/u-boot-rockchip-inno-usb.patch		\
+  %D%/packages/patches/u-boot-nanopi-r4s-ddr3.patch		\
   %D%/packages/patches/ucx-tcp-iface-ioctl.patch		\
   %D%/packages/patches/ultrastar-deluxe-no-freesans.patch		\
   %D%/packages/patches/ungoogled-chromium-extension-search-path.patch	\
diff --git a/gnu/packages/bootloaders.scm b/gnu/packages/bootloaders.scm
index 1a464655b6..d946270317 100644
--- a/gnu/packages/bootloaders.scm
+++ b/gnu/packages/bootloaders.scm
@@ -759,6 +759,7 @@ (define u-boot
         (base32 "0yrhb0izihv47p781dc4cp0znc5g225ayl7anz23c6jdrmfbpz2h"))
        (patches (search-patches "u-boot-allow-disabling-openssl.patch"
                                 "u-boot-50M-kernel.patch"
+                                "u-boot-nanopi-r4s-ddr3.patch"
                                 "u-boot-rockchip-inno-usb.patch"))))
     (build-system gnu-build-system)
     (native-inputs
diff --git a/gnu/packages/patches/u-boot-nanopi-r4s-ddr3.patch b/gnu/packages/patches/u-boot-nanopi-r4s-ddr3.patch
new file mode 100644
index 0000000000..435ffd5554
--- /dev/null
+++ b/gnu/packages/patches/u-boot-nanopi-r4s-ddr3.patch
@@ -0,0 +1,33 @@
+From: Herman Rimm <herman@rimm.me>
+Date: Sun, 2 Jul 2023 13:43:18 +0200
+Subject: [PATCH] Configure the Nano Pi R4S with DDR3.
+
+---
+This patch should be removed once something like this is upstream:
+https://github.com/anaelorlinski/OpenWrt-NanoPi-R2S-R4S-Builds/commit/9d836044340ddef53f5d9f1946ac48c946a78284
+
+diff --git a/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi b/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi
+index 69800cc368d..a3054849f88 100644
+--- a/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi
++++ b/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi
+@@ -13,7 +13,7 @@
+  */
+ 
+ #include "rk3399-nanopi4-u-boot.dtsi"
+-#include "rk3399-sdram-lpddr4-100.dtsi"
++#include "rk3399-sdram-ddr3-1866.dtsi"
+ 
+ / {
+ 	smbios {
+diff --git a/configs/nanopi-r4s-rk3399_defconfig b/configs/nanopi-r4s-rk3399_defconfig
+index ada04b46cb1..b39e350bbed 100644
+--- a/configs/nanopi-r4s-rk3399_defconfig
++++ b/configs/nanopi-r4s-rk3399_defconfig
+@@ -48,7 +48,6 @@ CONFIG_PMIC_RK8XX=y
+ CONFIG_SPL_DM_REGULATOR_FIXED=y
+ CONFIG_REGULATOR_RK8XX=y
+ CONFIG_PWM_ROCKCHIP=y
+-CONFIG_RAM_ROCKCHIP_LPDDR4=y
+ CONFIG_BAUDRATE=1500000
+ CONFIG_DEBUG_UART_SHIFT=2
+ CONFIG_SYS_NS16550_MEM32=y
-- 
2.45.2