[bug#51663] [PATCH] gnu: u-boot: Fix rk3399 boot from emmc.

[Pierre Langlois]

Hi Guix!

I'm afraid the last u-boot update broke booting the rockpro64 and
pinebook-pro from the eMMC card :-/.  Going through the u-boot ML, I saw
that it was reported [0], and this fix [1] should be applied.

So here's a patch!  I tested it on on both the pinebook-pro and
rockpro64.

OK to apply?

Thanks,
Pierre

[0]: https://lists.denx.de/pipermail/u-boot/2021-November/466329.html
[1]: 
https://patchwork.ozlabs.org/project/uboot/patch/20211101044347.17822-1-yifeng.zhao@rock-chips.com/

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From 4dea90a439f749f9f54407603c01eabf9900a75e Mon Sep 17 00:00:00 2001
From: Pierre Langlois <pierre.langlois@gmx.com>
Date: Fri, 5 Nov 2021 20:38:45 +0000
Subject: [PATCH] gnu: u-boot: Fix rk3399 boot from emmc.

* gnu/packages/bootloaders.scm (%u-boot-rk3399-enable-emmc-phy-patch): New
variable.
(u-boot)[origin]: Register it.
* gnu/packages/patches/u-boot-rk3399-enable-emmc-phy.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
---
 gnu/local.mk                                  |  1 +
 gnu/packages/bootloaders.scm                  |  8 +++++-
 .../u-boot-rk3399-enable-emmc-phy.patch       | 26 +++++++++++++++++++
 3 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/u-boot-rk3399-enable-emmc-phy.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 05258ac054..0f98d6ce56 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1842,6 +1842,7 @@ dist_patch_DATA =                                         
\
   %D%/packages/patches/u-boot-rockchip-inno-usb.patch          \
   %D%/packages/patches/u-boot-sifive-prevent-reloc-initrd-fdt.patch    \
   %D%/packages/patches/u-boot-riscv64-fix-extlinux.patch       \
+  %D%/packages/patches/u-boot-rk3399-enable-emmc-phy.patch     \
   %D%/packages/patches/ucx-tcp-iface-ioctl.patch               \
   %D%/packages/patches/ungoogled-chromium-extension-search-path.patch  \
   %D%/packages/patches/ungoogled-chromium-ffmpeg-compat.patch  \
diff --git a/gnu/packages/bootloaders.scm b/gnu/packages/bootloaders.scm
index 706ddf0207..c93af2241f 100644
--- a/gnu/packages/bootloaders.scm
+++ b/gnu/packages/bootloaders.scm
@@ -504,6 +504,11 @@ (define %u-boot-allow-disabling-openssl-patch
   ;; https://lists.denx.de/pipermail/u-boot/2021-October/462728.html
   (search-patch "u-boot-allow-disabling-openssl.patch"))

+(define %u-boot-rk3399-enable-emmc-phy-patch
+  ;; Fix emmc boot on rockpro64 and pinebook-pro.
+  ;; https://lists.denx.de/pipermail/u-boot/2021-November/466329.html
+  (search-patch "u-boot-rk3399-enable-emmc-phy.patch"))
+
 (define u-boot
   (package
     (name "u-boot")
@@ -512,7 +517,8 @@ (define u-boot
              (patches
                (list %u-boot-rockchip-inno-usb-patch
                      %u-boot-allow-disabling-openssl-patch
-                     %u-boot-sifive-prevent-relocating-initrd-fdt))
+                     %u-boot-sifive-prevent-relocating-initrd-fdt
+                     %u-boot-rk3399-enable-emmc-phy-patch))
               (method url-fetch)
               (uri (string-append
                     "https://ftp.denx.de/pub/u-boot/";
diff --git a/gnu/packages/patches/u-boot-rk3399-enable-emmc-phy.patch 
b/gnu/packages/patches/u-boot-rk3399-enable-emmc-phy.patch
new file mode 100644
index 0000000000..f14a9ce104
--- /dev/null
+++ b/gnu/packages/patches/u-boot-rk3399-enable-emmc-phy.patch
@@ -0,0 +1,26 @@
+adapting commit ac804143cf ("mmc: rockchip_sdhci: add phy and clock
+config for rk3399") to fix the issue "Not found emmc phy device".
+
+Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
+---
+
+ arch/arm/dts/rk3399-u-boot.dtsi | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/arch/arm/dts/rk3399-u-boot.dtsi b/arch/arm/dts/rk3399-u-boot.dtsi
+index 73922c328a..716b9a433a 100644
+--- a/arch/arm/dts/rk3399-u-boot.dtsi
++++ b/arch/arm/dts/rk3399-u-boot.dtsi
+@@ -88,6 +88,10 @@
+       u-boot,dm-pre-reloc;
+ };
+
++&emmc_phy {
++      u-boot,dm-pre-reloc;
++};
++
+ &grf {
+       u-boot,dm-pre-reloc;
+ };
+--
+2.17.1
--
2.33.1