rockchip: rk3368: use common TPL board file

Use common tpl.c instead of rk3368-board-tpl.c

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 8a7f2bb..3c17994 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -127,6 +127,7 @@
 	imply SPL_SEPARATE_BSS
 	imply SPL_SERIAL_SUPPORT
 	imply TPL_SERIAL_SUPPORT
+	imply TPL_ROCKCHIP_COMMON_BOARD
 	help
 	  The Rockchip RK3368 is a ARM-based SoC with a octa-core (organised
 	  into a big and little cluster with 4 cores each) Cortex-A53 including
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index d01293b..c1b1c31 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -10,7 +10,6 @@
 obj-tpl-$(CONFIG_ROCKCHIP_BROM_HELPER) += bootrom.o
 obj-tpl-$(CONFIG_TPL_ROCKCHIP_COMMON_BOARD) += tpl.o
 
-obj-tpl-$(CONFIG_ROCKCHIP_RK3368) += rk3368-board-tpl.o
 obj-tpl-$(CONFIG_ROCKCHIP_RK3399) += rk3399-board-tpl.o
 
 obj-spl-$(CONFIG_ROCKCHIP_RK3036) += rk3036-board-spl.o
diff --git a/arch/arm/mach-rockchip/rk3368-board-tpl.c b/arch/arm/mach-rockchip/rk3368-board-tpl.c
deleted file mode 100644
index fdb1c3b..0000000
--- a/arch/arm/mach-rockchip/rk3368-board-tpl.c
+++ /dev/null
@@ -1,74 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
- */
-
-#include <common.h>
-#include <debug_uart.h>
-#include <dm.h>
-#include <ram.h>
-#include <spl.h>
-#include <asm/io.h>
-#include <asm/arch-rockchip/bootrom.h>
-
-#define TIMER_LOAD_COUNT_L	0x00
-#define TIMER_LOAD_COUNT_H	0x04
-#define TIMER_CONTROL_REG	0x10
-#define TIMER_EN	0x1
-#define	TIMER_FMODE	BIT(0)
-#define	TIMER_RMODE	BIT(1)
-
-__weak void rockchip_stimer_init(void)
-{
-	writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
-	writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE);
-	writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + 4);
-	writel(TIMER_EN | TIMER_FMODE, CONFIG_ROCKCHIP_STIMER_BASE +
-	       TIMER_CONTROL_REG);
-}
-
-void board_init_f(ulong dummy)
-{
-	struct udevice *dev;
-	int ret;
-
-#ifdef CONFIG_DEBUG_UART
-	/*
-	 * Debug UART can be used from here if required:
-	 *
-	 * debug_uart_init();
-	 * printch('a');
-	 * printhex8(0x1234);
-	 * printascii("string");
-	 */
-	debug_uart_init();
-	printascii("U-Boot TPL board init\n");
-#endif
-
-	ret = spl_early_init();
-	if (ret) {
-		debug("spl_early_init() failed: %d\n", ret);
-		hang();
-	}
-
-	/* Init secure timer */
-	rockchip_stimer_init();
-	/* Init ARM arch timer in arch/arm/cpu/ */
-	timer_init();
-
-	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
-	if (ret) {
-		debug("DRAM init failed: %d\n", ret);
-		return;
-	}
-}
-
-void board_return_to_bootrom(void)
-{
-	back_to_bootrom(BROM_BOOT_NEXTSTAGE);
-}
-
-u32 spl_boot_device(void)
-{
-	return BOOT_DEVICE_BOOTROM;
-}