mediatek: move uart.h to common folder

UART register definition is the same on MediaTek platforms.
Move uart.h to common folder and remove the duplicate file.

Change-Id: Iea0931dfd606ae4a7ab475b9cb3a08dc6de68b36
diff --git a/plat/mediatek/mt8183/drivers/uart/uart.h b/plat/mediatek/mt8183/drivers/uart/uart.h
deleted file mode 100644
index 062ce3a..0000000
--- a/plat/mediatek/mt8183/drivers/uart/uart.h
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#ifndef __UART_H__
-#define __UART_H__
-
-#include <platform_def.h>
-
-/* UART HW information */
-#define HW_SUPPORT_UART_PORTS	2
-#define DRV_SUPPORT_UART_PORTS	2
-
-/* console UART clock cg */
-#define UART_CLOCK_GATE_SET		(INFRACFG_AO_BASE + 0x80)
-#define UART_CLOCK_GATE_CLR		(INFRACFG_AO_BASE + 0x84)
-#define UART_CLOCK_GATE_STA		(INFRACFG_AO_BASE + 0x90)
-#define UART0_CLOCK_GATE_BIT		(1U<<22)
-#define UART1_CLOCK_GATE_BIT		(1U<<23)
-
-/* UART registers */
-#define UART_RBR(_baseaddr)			(_baseaddr + 0x0)
-#define UART_THR(_baseaddr)			(_baseaddr + 0x0)
-#define UART_IER(_baseaddr)			(_baseaddr + 0x4)
-#define UART_IIR(_baseaddr)			(_baseaddr + 0x8)
-#define UART_FCR(_baseaddr)			(_baseaddr + 0x8)
-#define UART_LCR(_baseaddr)			(_baseaddr + 0xc)
-#define UART_MCR(_baseaddr)			(_baseaddr + 0x10)
-#define UART_LSR(_baseaddr)			(_baseaddr + 0x14)
-#define UART_MSR(_baseaddr)			(_baseaddr + 0x18)
-#define UART_SCR(_baseaddr)			(_baseaddr + 0x1c)
-#define UART_DLL(_baseaddr)			(_baseaddr + 0x0)
-#define UART_DLH(_baseaddr)			(_baseaddr + 0x4)
-#define UART_EFR(_baseaddr)			(_baseaddr + 0x8)
-#define UART_XON1(_baseaddr)			(_baseaddr + 0x10)
-#define UART_XON2(_baseaddr)			(_baseaddr + 0x14)
-#define UART_XOFF1(_baseaddr)			(_baseaddr + 0x18)
-#define UART_XOFF2(_baseaddr)			(_baseaddr + 0x1c)
-#define UART_AUTOBAUD(_baseaddr)		(_baseaddr + 0x20)
-#define UART_HIGHSPEED(_baseaddr)		(_baseaddr + 0x24)
-#define UART_SAMPLE_COUNT(_baseaddr)		(_baseaddr + 0x28)
-#define UART_SAMPLE_POINT(_baseaddr)		(_baseaddr + 0x2c)
-#define UART_AUTOBAUD_REG(_baseaddr)		(_baseaddr + 0x30)
-#define UART_RATE_FIX_REG(_baseaddr)		(_baseaddr + 0x34)
-#define UART_AUTO_BAUDSAMPLE(_baseaddr)		(_baseaddr + 0x38)
-#define UART_GUARD(_baseaddr)			(_baseaddr + 0x3c)
-#define UART_ESCAPE_DAT(_baseaddr)		(_baseaddr + 0x40)
-#define UART_ESCAPE_EN(_baseaddr)		(_baseaddr + 0x44)
-#define UART_SLEEP_EN(_baseaddr)		(_baseaddr + 0x48)
-#define UART_DMA_EN(_baseaddr)			(_baseaddr + 0x4c)
-#define UART_RXTRI_AD(_baseaddr)		(_baseaddr + 0x50)
-#define UART_FRACDIV_L(_baseaddr)		(_baseaddr + 0x54)
-#define UART_FRACDIV_M(_baseaddr)		(_baseaddr + 0x58)
-#define UART_FCR_RD(_baseaddr)			(_baseaddr + 0x5C)
-#define UART_USB_RX_SEL(_baseaddr)		(_baseaddr + 0xB0)
-#define UART_SLEEP_REQ(_baseaddr)		(_baseaddr + 0xB4)
-#define UART_SLEEP_ACK(_baseaddr)		(_baseaddr + 0xB8)
-#define UART_SPM_SEL(_baseaddr)			(_baseaddr + 0xBC)
-#define UART_LCR_DLAB				0x0080
-#define UART_LCR_MODE_B				0x00bf
-
-enum uart_port_ID {
-	UART_PORT0 = 0,
-	UART_PORT1
-};
-
-struct mt_uart_register {
-	unsigned int dll;
-	unsigned int dlh;
-	unsigned int ier;
-	unsigned int lcr;
-	unsigned int mcr;
-	unsigned int fcr;
-	unsigned int lsr;
-	unsigned int scr;
-	unsigned int efr;
-	unsigned int highspeed;
-	unsigned int sample_count;
-	unsigned int sample_point;
-	unsigned int fracdiv_l;
-	unsigned int fracdiv_m;
-	unsigned int escape_en;
-	unsigned int guard;
-	unsigned int rx_sel;
-};
-
-struct mt_uart {
-	unsigned long base;
-	struct mt_uart_register registers;
-};
-
-/* external API */
-void mt_uart_save(void);
-void mt_uart_restore(void);
-void mt_console_uart_cg(int on);
-uint32_t mt_console_uart_cg_status(void);
-
-#endif /* __UART_H__ */
diff --git a/plat/mediatek/mt8183/platform.mk b/plat/mediatek/mt8183/platform.mk
index 07da1af..1615cf9 100644
--- a/plat/mediatek/mt8183/platform.mk
+++ b/plat/mediatek/mt8183/platform.mk
@@ -8,6 +8,7 @@
 MTK_PLAT_SOC  := ${MTK_PLAT}/${PLAT}
 
 PLAT_INCLUDES := -I${MTK_PLAT}/common/                            \
+                 -I${MTK_PLAT}/common/drivers/uart/                \
                  -I${MTK_PLAT_SOC}/drivers/                       \
                  -I${MTK_PLAT_SOC}/drivers/emi_mpu/               \
                  -I${MTK_PLAT_SOC}/drivers/devapc/                \
@@ -19,7 +20,6 @@
                  -I${MTK_PLAT_SOC}/drivers/spm/                   \
                  -I${MTK_PLAT_SOC}/drivers/sspm/                  \
                  -I${MTK_PLAT_SOC}/drivers/rtc/                   \
-                 -I${MTK_PLAT_SOC}/drivers/uart/                  \
                  -I${MTK_PLAT_SOC}/include/
 
 PLAT_BL_COMMON_SOURCES := lib/xlat_tables/aarch64/xlat_tables.c       \