rockchip: rv1108: Migrate to use common board file

Use common board file for board_init() and board_late_init(),
for Rockchip SoCs have very similar process.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>

arch/arm/mach-rockchip/Kconfig

@@ -203,6 +203,7 @@ config ROCKCHIP_RK3399
 config ROCKCHIP_RV1108
 	bool "Support Rockchip RV1108"
 	select CPU_V7A
+	imply ROCKCHIP_COMMON_BOARD
 	help
 	  The Rockchip RV1108 is a ARM-based SoC with a single-core Cortex-A7
 	  and a DSP.

arch/arm/mach-rockchip/Makefile

@@ -21,8 +21,6 @@ ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TPL_BUILD),)
 # meaning "turn it off".
 obj-y += boot_mode.o
 obj-$(CONFIG_ROCKCHIP_COMMON_BOARD) += board.o
-
-obj-$(CONFIG_ROCKCHIP_RV1108) += rv1108-board.o
 endif
 
 obj-$(CONFIG_$(SPL_TPL_)RAM) += sdram_common.o

arch/arm/mach-rockchip/rv1108-board.c

@@ -1,52 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2015 Google, Inc
- */
-
-#include <common.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
-#include <usb.h>
-#include <usb/dwc2_udc.h>
-
-static struct dwc2_plat_otg_data otg_data = {
-	.rx_fifo_sz	= 512,
-	.np_tx_fifo_sz	= 16,
-	.tx_fifo_sz	= 128,
-};
-
-int board_usb_init(int index, enum usb_init_type init)
-{
-	int node;
-	const char *mode;
-	bool matched = false;
-	const void *blob = gd->fdt_blob;
-
-	/* find the usb_otg node */
-	node = fdt_node_offset_by_compatible(blob, -1, "snps,dwc2");
-
-	while (node > 0) {
-		mode = fdt_getprop(blob, node, "dr_mode", NULL);
-		if (mode && strcmp(mode, "otg") == 0) {
-			matched = true;
-			break;
-		}
-
-		node = fdt_node_offset_by_compatible(blob, node, "snps,dwc2");
-	}
-	if (!matched) {
-		debug("Not found usb_otg device\n");
-		return -ENODEV;
-	}
-	otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
-
-	return dwc2_udc_probe(&otg_data);
-}
-
-int board_usb_cleanup(int index, enum usb_init_type init)
-{
-	return 0;
-}
-#endif

arch/arm/mach-rockchip/rv1108/rv1108.c

@@ -3,13 +3,3 @@
  * (C) Copyright 2016 Rockchip Electronics Co., Ltd
  * Author: Andy Yan <andy.yan@rock-chips.com>
  */
-
-#include <common.h>
-
-#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
-void enable_caches(void)
-{
-	/* Enable D-cache. I-cache is already enabled in start.S */
-	dcache_enable();
-}
-#endif

board/elgin/elgin_rv1108/elgin_rv1108.c

@@ -58,11 +58,6 @@ int board_early_init_f(void)
 	return 0;
 }
 
-int board_init(void)
-{
-	return 0;
-}
-
 int dram_init(void)
 {
 	gd->ram_size = 0x8000000;

board/rockchip/evb_rv1108/evb_rv1108.c

@@ -47,12 +47,6 @@ int mach_cpu_init(void)
 	return 0;
 }
 
-
-int board_init(void)
-{
-	return 0;
-}
-
 int dram_init(void)
 {
 	gd->ram_size = 0x8000000;