Merge https://gitlab.denx.de/u-boot/custodians/u-boot-sh

- r2dplus updates

arch/sh/dts/sh7751-r2dplus.dts

@@ -10,6 +10,29 @@
 	model = "R2D";
 	compatible = "renesas,r2d", "renesas,sh7751";
 
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	aliases {
+		serial0 = &scif1;
+	};
+
+	scif_clks: scif60 {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <60000000>;
+		u-boot,dm-pre-reloc;
+	};
+
+	scif1: serial@ffe80000 {
+		compatible = "renesas,scif";
+		reg = <0 0xffe80000 0 0x1000>;
+		clocks = <&scif_clks>;
+		clock-names = "fck";
+		status = "okay";
+		u-boot,dm-pre-reloc;
+	};
+
 	pci@fe200000 {
 		compatible = "renesas,pci-sh7751";
 		device_type = "pci";

arch/sh/lib/start.S

@@ -53,7 +53,10 @@ _start:
 
 	mov.l	._gd_init, r13		/* global data */
 	mov.l	._stack_init, r15	/* stack */
-
+#if CONFIG_VAL(SYS_MALLOC_F_LEN)
+	mov.l	._gd_malloc_base, r14
+	mov.l	r15, @r14
+#endif
 	mov.l	._sh_generic_init, r0
 	jsr	@r0
 	mov     #0, r4
@@ -70,5 +73,8 @@ loop:
 ._bss_start:		.long	bss_start
 ._bss_end:		.long	bss_end
 ._gd_init:		.long	(_start - GENERATED_GBL_DATA_SIZE)
+#if CONFIG_VAL(SYS_MALLOC_F_LEN)
+._gd_malloc_base:	.long	(_start - GENERATED_GBL_DATA_SIZE + GD_MALLOC_BASE)
+#endif
 ._stack_init:		.long	(_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16)
 ._sh_generic_init:	.long	board_init_f

configs/r2dplus_defconfig

@@ -4,10 +4,11 @@ CONFIG_ENV_SIZE=0x40000
 CONFIG_ENV_SECT_SIZE=0x40000
 CONFIG_DEFAULT_DEVICE_TREE="sh7751-r2dplus"
 CONFIG_TARGET_R2DPLUS=y
-# CONFIG_SYS_MALLOC_F is not set
 CONFIG_BOOTDELAY=-1
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="console=ttySC0,115200"
+CONFIG_USE_PREBOOT=y
+CONFIG_PREBOOT="pci enum"
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_IMLS=y
 CONFIG_CMD_DM=y
@@ -24,12 +25,20 @@ CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_ENV_ADDR=0xA0040000
 CONFIG_DM=y
+CONFIG_CLK=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_FLASH_CFI_DRIVER=y
 CONFIG_SYS_FLASH_CFI=y
+CONFIG_DM_ETH=y
+CONFIG_E1000=y
+CONFIG_EEPRO100=y
+CONFIG_PCNET=y
 CONFIG_RTL8139=y
+CONFIG_TULIP=y
 CONFIG_PCI=y
 CONFIG_DM_PCI=y
-CONFIG_DM_PCI_COMPAT=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
+CONFIG_DM_SERIAL=y
+CONFIG_SERIAL_RX_BUFFER=y
 CONFIG_SCIF_CONSOLE=y
 CONFIG_USE_PRIVATE_LIBGCC=y

include/configs/r2dplus.h

@@ -35,7 +35,6 @@
  * SuperH Clock setting
  */
 #define CONFIG_SYS_CLK_FREQ	60000000
-#define CONFIG_SH_SCIF_CLK_FREQ CONFIG_SYS_CLK_FREQ
 #define	CONFIG_SYS_PLL_SETTLING_TIME	100/* in us */
 
 /*