From 19964a0cedeca611d225152c740e054f808b3c64 Mon Sep 17 00:00:00 2001
From: Yifan Wu <shinbokuow@163.com>
Date: Wed, 14 Dec 2022 00:04:55 +0800
Subject: [PATCH] Remove K210 support.

---
 os/Cargo.toml         | 4 ----
 os/src/boards/k210.rs | 3 ---
 os/src/main.rs        | 5 +----
 3 files changed, 1 insertion(+), 11 deletions(-)
 delete mode 100644 os/src/boards/k210.rs

diff --git a/os/Cargo.toml b/os/Cargo.toml
index 6423279..faa688c 100644
--- a/os/Cargo.toml
+++ b/os/Cargo.toml
@@ -11,9 +11,5 @@ riscv = { git = "https://github.com/rcore-os/riscv", features = ["inline-asm"] }
 lazy_static = { version = "1.4.0", features = ["spin_no_std"] }
 cfg-if = { version = "1.0.0" }
 
-[features]
-board_qemu = []
-board_k210 = []
-
 [profile.release]
 debug = true
diff --git a/os/src/boards/k210.rs b/os/src/boards/k210.rs
deleted file mode 100644
index 583f05a..0000000
--- a/os/src/boards/k210.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-//! Constants used in rCore for K210 devel board
-
-pub const CLOCK_FREQ: usize = 403000000 / 62;
diff --git a/os/src/main.rs b/os/src/main.rs
index a7f7db2..ac8f9bb 100644
--- a/os/src/main.rs
+++ b/os/src/main.rs
@@ -23,12 +23,9 @@
 
 use core::arch::global_asm;
 
-#[cfg(feature = "board_k210")]
-#[path = "boards/k210.rs"]
-mod board;
-#[cfg(not(any(feature = "board_k210")))]
 #[path = "boards/qemu.rs"]
 mod board;
+
 #[macro_use]
 mod console;
 mod config;