From 77e00150baac819fc605e81a8828a1e76cf841b2 Mon Sep 17 00:00:00 2001
From: Ben Siraphob <bensiraphob@gmail.com>
Date: Wed, 18 Nov 2020 09:48:08 +0700
Subject: [PATCH] Initial implementation of remarkable1 cross-compile

---
 lib/systems/examples.nix  |  5 +++++
 lib/systems/platforms.nix | 14 ++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/lib/systems/examples.nix b/lib/systems/examples.nix
index b824bea6c20c..3bbe61ed33a5 100644
--- a/lib/systems/examples.nix
+++ b/lib/systems/examples.nix
@@ -34,6 +34,11 @@ rec {
     platform = platforms.raspberrypi;
   };
 
+  remarkable1 = {
+    config = "armv7l-unknown-linux-gnueabihf";
+    platform = platforms.zero-gravitas;
+  };
+
   armv7l-hf-multiplatform = {
     config = "armv7l-unknown-linux-gnueabihf";
     platform = platforms.armv7l-hf-multiplatform;
diff --git a/lib/systems/platforms.nix b/lib/systems/platforms.nix
index ab3cf1d54301..42d9809fd7d0 100644
--- a/lib/systems/platforms.nix
+++ b/lib/systems/platforms.nix
@@ -203,6 +203,20 @@ rec {
   # Legacy attribute, for compatibility with existing configs only.
   raspberrypi2 = armv7l-hf-multiplatform;
 
+  zero-gravitas = {
+    name = "zero-gravitas";
+    kernelBaseConfig = "zero-gravitas_defconfig";
+    kernelArch = "arm";
+    # kernelTarget verified by checking /boot on reMarkable 1 device
+    kernelTarget = "zImage";
+    kernelAutoModules = false;
+    kernelDTB = true;
+    gcc = {
+      fpu = "neon";
+      cpu = "cortex-a9";
+    };
+  };
+
   scaleway-c1 = armv7l-hf-multiplatform // {
     gcc = {
       cpu = "cortex-a9";