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-rw-r--r--board/sipeed/maix/maix.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/board/sipeed/maix/maix.c b/board/sipeed/maix/maix.c
new file mode 100644
index 0000000000..cbcb23cf5c
--- /dev/null
+++ b/board/sipeed/maix/maix.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com>
+ */
+
+#include <common.h>
+#include <clk.h>
+#include <dm.h>
+#include <fdt_support.h>
+#include <asm/io.h>
+
+phys_size_t get_effective_memsize(void)
+{
+ return CONFIG_SYS_SDRAM_SIZE;
+}
+
+int board_init(void)
+{
+ int ret, i;
+ const char * const banks[] = { "sram0", "sram1", "airam" };
+ ofnode memory;
+ struct clk clk;
+
+ /* Enable RAM clocks */
+ memory = ofnode_by_compatible(ofnode_null(), "kendryte,k210-sram");
+ if (ofnode_equal(memory, ofnode_null()))
+ return -ENOENT;
+
+ for (i = 0; i < ARRAY_SIZE(banks); i++) {
+ ret = clk_get_by_name_nodev(memory, banks[i], &clk);
+ if (ret)
+ continue;
+
+ ret = clk_enable(&clk);
+ clk_free(&clk);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}