1 files changed, 54 insertions, 0 deletions

diff --git a/arch/arm/mach-mediatek/mt7623/init.c b/arch/arm/mach-mediatek/mt7623/init.c
new file mode 100644
index 0000000000..0ee8c6664c
--- /dev/null
+++ b/arch/arm/mach-mediatek/mt7623/init.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ */
+
+#include <common.h>
+#include <linux/io.h>
+#include <linux/sizes.h>
+#include <asm/arch/misc.h>
+
+#include "preloader.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct boot_argument *preloader_param;
+
+int mtk_soc_early_init(void)
+{
+        return 0;
+}
+
+int dram_init(void)
+{
+        u32 i;
+
+        if (((size_t)preloader_param >= CONFIG_SYS_SDRAM_BASE) &&
+            ((size_t)preloader_param % sizeof(size_t) == 0) &&
+            preloader_param->magic == BOOT_ARGUMENT_MAGIC &&
+            preloader_param->dram_rank_num <=
+            ARRAY_SIZE(preloader_param->dram_rank_size)) {
+                gd->ram_size = 0;
+
+                for (i = 0; i < preloader_param->dram_rank_num; i++)
+                        gd->ram_size += preloader_param->dram_rank_size[i];
+        } else {
+                gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
+                                            SZ_2G);
+        }
+
+        return 0;
+}
+
+int print_cpuinfo(void)
+{
+        void __iomem *chipid;
+        u32 swver;
+
+        chipid = ioremap(VER_BASE, VER_SIZE);
+        swver = readl(chipid + APSW_VER);
+
+        printf("CPU:   MediaTek MT7623 E%d\n", (swver & 0xf) + 1);
+
+        return 0;
+}