arm: MediaTek: add basic support for MT7623 boards
This adds a general board file based on MT7623 SoCs from MediaTek.
As this u-boot is loaded by MTK proprietary preloader, there is no
low level initializtion codes.
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Tested-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-mediatek/mt7623/preloader.h b/arch/arm/mach-mediatek/mt7623/preloader.h
new file mode 100644
index 0000000..2d2c71a
--- /dev/null
+++ b/arch/arm/mach-mediatek/mt7623/preloader.h
@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ */
+
+#ifndef __PRELOADER_H_
+#define __PRELOADER_H_
+
+enum forbidden_mode {
+ F_FACTORY_MODE = 0x0001
+};
+
+union lk_hdr {
+ struct {
+ u32 magic;
+ u32 size;
+ char name[32];
+ u32 loadaddr;
+ };
+
+ u8 data[512];
+};
+
+struct sec_limit {
+ unsigned int magic_num;
+ enum forbidden_mode forbid_mode;
+};
+
+enum bootmode {
+ NORMAL_BOOT = 0,
+ META_BOOT = 1,
+ RECOVERY_BOOT = 2,
+ SW_REBOOT = 3,
+ FACTORY_BOOT = 4,
+ ADVMETA_BOOT = 5,
+ ATE_FACTORY_BOOT = 6,
+ ALARM_BOOT = 7,
+
+ KERNEL_POWER_OFF_CHARGING_BOOT = 8,
+ LOW_POWER_OFF_CHARGING_BOOT = 9,
+
+ FAST_BOOT = 99,
+ DOWNLOAD_BOOT = 100,
+ UNKNOWN_BOOT
+};
+
+enum boot_reason {
+ BR_POWER_KEY = 0,
+ BR_USB,
+ BR_RTC,
+ BR_WDT,
+ BR_WDT_BY_PASS_PWK,
+ BR_TOOL_BY_PASS_PWK,
+ BR_2SEC_REBOOT,
+ BR_UNKNOWN
+};
+
+enum meta_com_type {
+ META_UNKNOWN_COM = 0,
+ META_UART_COM,
+ META_USB_COM
+};
+
+struct da_info_t {
+ u32 addr;
+ u32 arg1;
+ u32 arg2;
+ u32 len;
+ u32 sig_len;
+};
+
+struct boot_argument {
+ u32 magic;
+ enum bootmode boot_mode;
+ u32 e_flag;
+ u32 log_port;
+ u32 log_baudrate;
+ u8 log_enable;
+ u8 part_num;
+ u8 reserved[2];
+ u32 dram_rank_num;
+ u32 dram_rank_size[4];
+ u32 boot_reason;
+ enum meta_com_type meta_com_type;
+ u32 meta_com_id;
+ u32 boot_time;
+ struct da_info_t da_info;
+ struct sec_limit sec_limit;
+ union lk_hdr *part_info;
+ u8 md_type[4];
+ u32 ddr_reserve_enable;
+ u32 ddr_reserve_success;
+ u32 chip_ver;
+ char pl_version[8];
+};
+
+#define BOOT_ARGUMENT_MAGIC 0x504c504c
+
+#endif /* __PRELOADER_H_ */