From 6a033357148b67da9e2e5d0a0a06d5ec1ed8e0d3 Mon Sep 17 00:00:00 2001
From: Kever Yang <kever.yang@rock-chips.com>
Date: Fri, 29 Mar 2019 09:09:05 +0800
Subject: [PATCH] rockchip: rk3368: move board_debug_uart_init() to rk3368.c

Move the function to soc file so
that we can find all the soc/board setting in soc file and
use a common board file later for all rockchip SoCs.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
---
 arch/arm/mach-rockchip/rk3368-board-spl.c |  8 --------
 arch/arm/mach-rockchip/rk3368-board-tpl.c | 33 +------------------------------
 arch/arm/mach-rockchip/rk3368/rk3368.c    | 31 +++++++++++++++++++++++++++++
 3 files changed, 32 insertions(+), 40 deletions(-)

diff --git a/arch/arm/mach-rockchip/rk3368-board-spl.c b/arch/arm/mach-rockchip/rk3368-board-spl.c
index 9dea4ed..b055ed4 100644
--- a/arch/arm/mach-rockchip/rk3368-board-spl.c
+++ b/arch/arm/mach-rockchip/rk3368-board-spl.c
@@ -9,17 +9,9 @@
 #include <ram.h>
 #include <spl.h>
 #include <asm/io.h>
-#include <asm/arch-rockchip/cru_rk3368.h>
-#include <asm/arch-rockchip/grf_rk3368.h>
-#include <asm/arch-rockchip/hardware.h>
 #include <asm/arch-rockchip/periph.h>
-#include <asm/arch-rockchip/timer.h>
 #include <dm/pinctrl.h>
 
-void board_debug_uart_init(void)
-{
-}
-
 void board_init_f(ulong dummy)
 {
 	struct udevice *pinctrl;
diff --git a/arch/arm/mach-rockchip/rk3368-board-tpl.c b/arch/arm/mach-rockchip/rk3368-board-tpl.c
index 373f009..dc65a02 100644
--- a/arch/arm/mach-rockchip/rk3368-board-tpl.c
+++ b/arch/arm/mach-rockchip/rk3368-board-tpl.c
@@ -13,7 +13,6 @@
 #include <asm/arch-rockchip/bootrom.h>
 #include <asm/arch-rockchip/clock.h>
 #include <asm/arch-rockchip/cru_rk3368.h>
-#include <asm/arch-rockchip/grf_rk3368.h>
 #include <asm/arch-rockchip/hardware.h>
 #include <asm/arch-rockchip/timer.h>
 
@@ -79,42 +78,12 @@ static void sgrf_init(void)
 	rk_clrreg(&cru->softrst_con[4], DMA2_SRST_REQ);
 }
 
-void board_debug_uart_init(void)
-{
-	/*
-	 * N.B.: This is called before the device-model has been
-	 *       initialised. For this reason, we can not access
-	 *       the GRF address range using the syscon API.
-	 */
-	struct rk3368_grf * const grf =
-		(struct rk3368_grf * const)0xff770000;
-
-	enum {
-		GPIO2D1_MASK            = GENMASK(3, 2),
-		GPIO2D1_GPIO            = 0,
-		GPIO2D1_UART0_SOUT      = (1 << 2),
-
-		GPIO2D0_MASK            = GENMASK(1, 0),
-		GPIO2D0_GPIO            = 0,
-		GPIO2D0_UART0_SIN       = (1 << 0),
-	};
-
-#if defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff180000)
-	/* Enable early UART0 on the RK3368 */
-	rk_clrsetreg(&grf->gpio2d_iomux,
-		     GPIO2D0_MASK, GPIO2D0_UART0_SIN);
-	rk_clrsetreg(&grf->gpio2d_iomux,
-		     GPIO2D1_MASK, GPIO2D1_UART0_SOUT);
-#endif
-}
-
 void board_init_f(ulong dummy)
 {
 	struct udevice *dev;
 	int ret;
 
-#define EARLY_UART
-#ifdef EARLY_UART
+#ifdef CONFIG_DEBUG_UART
 	/*
 	 * Debug UART can be used from here if required:
 	 *
diff --git a/arch/arm/mach-rockchip/rk3368/rk3368.c b/arch/arm/mach-rockchip/rk3368/rk3368.c
index 197f0c4..1ed06c5 100644
--- a/arch/arm/mach-rockchip/rk3368/rk3368.c
+++ b/arch/arm/mach-rockchip/rk3368/rk3368.c
@@ -96,3 +96,34 @@ int arch_early_init_r(void)
 	return mcu_init();
 }
 #endif
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+void board_debug_uart_init(void)
+{
+	/*
+	 * N.B.: This is called before the device-model has been
+	 *       initialised. For this reason, we can not access
+	 *       the GRF address range using the syscon API.
+	 */
+#if defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff180000)
+	struct rk3368_grf * const grf =
+		(struct rk3368_grf * const)0xff770000;
+
+	enum {
+		GPIO2D1_MASK            = GENMASK(3, 2),
+		GPIO2D1_GPIO            = 0,
+		GPIO2D1_UART0_SOUT      = (1 << 2),
+
+		GPIO2D0_MASK            = GENMASK(1, 0),
+		GPIO2D0_GPIO            = 0,
+		GPIO2D0_UART0_SIN       = (1 << 0),
+	};
+
+	/* Enable early UART0 on the RK3368 */
+	rk_clrsetreg(&grf->gpio2d_iomux,
+		     GPIO2D0_MASK, GPIO2D0_UART0_SIN);
+	rk_clrsetreg(&grf->gpio2d_iomux,
+		     GPIO2D1_MASK, GPIO2D1_UART0_SOUT);
+#endif
+}
+#endif
-- 
2.7.4