board: Add sam9x60_curiosity support

Add board files, Kconfig, Makefile and MAINTAINERS.

Signed-off-by: Durai Manickam KR <durai.manickamkr@microchip.com>

arch/arm/mach-at91/Kconfig

@@ -165,6 +165,12 @@ config TARGET_SAM9X60EK
 	select BOARD_EARLY_INIT_F
 	select BOARD_LATE_INIT
 
+config TARGET_SAM9X60_CURIOSITY
+        bool "SAM9X60 CURIOSITY board"
+        select SAM9X60
+        select BOARD_EARLY_INIT_F
+        select BOARD_LATE_INIT
+
 config TARGET_SAMA5D2_PTC_EK
 	bool "SAMA5D2 PTC EK board"
 	select BOARD_EARLY_INIT_F
@@ -339,6 +345,7 @@ source "board/atmel/at91sam9n12ek/Kconfig"
 source "board/atmel/at91sam9rlek/Kconfig"
 source "board/atmel/at91sam9x5ek/Kconfig"
 source "board/atmel/sam9x60ek/Kconfig"
+source "board/atmel/sam9x60_curiosity/Kconfig"
 source "board/atmel/sama7g5ek/Kconfig"
 source "board/atmel/sama5d2_ptc_ek/Kconfig"
 source "board/atmel/sama5d2_xplained/Kconfig"

board/atmel/sam9x60_curiosity/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_SAM9X60_CURIOSITY
+
+config SYS_BOARD
+	default "sam9x60_curiosity"
+
+config SYS_VENDOR
+	default "atmel"
+
+config SYS_SOC
+        default "at91"
+
+config SYS_CONFIG_NAME
+	default "sam9x60_curiosity"
+
+endif

board/atmel/sam9x60_curiosity/MAINTAINERS

@@ -0,0 +1,6 @@
+SAM9X60 CURIOSITY BOARD
+M:	Durai Manickam KR <durai.manickamkr@microchip.com>
+M:	Eugen Hristev <eugen.hristev@microchip.com>
+S:	Maintained
+F:	board/atmel/sam9x60_curiosity/
+F:	include/configs/sam9x60_curiosity.h

board/atmel/sam9x60_curiosity/Makefile

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
+#
+# Author: Durai Manickam KR <durai.manickamkr@microchip.com>
+
+obj-y += sam9x60_curiosity.o

board/atmel/sam9x60_curiosity/sam9x60_curiosity.c

@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Durai Manickam KR <durai.manickamkr@microchip.com>
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <fdtdec.h>
+#include <init.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/at91_sfr.h>
+#include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/mach-types.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void at91_prepare_cpu_var(void);
+
+int board_late_init(void)
+{
+	at91_prepare_cpu_var();
+
+	return 0;
+}
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+void board_debug_uart_init(void)
+{
+	at91_seriald_hw_init();
+}
+#endif
+
+int board_early_init_f(void)
+{
+#ifdef CONFIG_DEBUG_UART
+	debug_uart_init();
+#endif
+	return 0;
+}
+
+#define MAC24AA_MAC_OFFSET     0xfa
+
+#ifdef CONFIG_MISC_INIT_R
+int misc_init_r(void)
+{
+#ifdef CONFIG_I2C_EEPROM
+	at91_set_ethaddr(MAC24AA_MAC_OFFSET);
+#endif
+	return 0;
+}
+#endif
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
+	return 0;
+}
+
+int dram_init_banksize(void)
+{
+	return fdtdec_setup_memory_banksize();
+}
+
+int dram_init(void)
+{
+	return fdtdec_setup_mem_size_base();
+}

include/configs/sam9x60_curiosity.h

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Configuration settings for the SAM9X60 CURIOSITY board.
+ *
+ * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Durai Manickam KR <durai.manickamkr@microchip.com>
+ */
+
+#ifndef __CONFIG_H__
+#define __CONFIG_H__
+
+#define CONFIG_SYS_AT91_SLOW_CLOCK	32768
+#define CONFIG_SYS_AT91_MAIN_CLOCK	24000000	/* 24 MHz crystal */
+
+#define CONFIG_USART_BASE   ATMEL_BASE_DBGU
+#define CONFIG_USART_ID     0 /* ignored in arm */
+
+/* SDRAM */
+#define CONFIG_SYS_SDRAM_BASE		0x20000000
+#define CONFIG_SYS_SDRAM_SIZE		0x8000000	/* 128 MB */
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_INIT_SP_ADDR         0x218000
+#else
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_SDRAM_BASE + 16 * 1024 + CONFIG_SYS_MALLOC_F_LEN - \
+	 GENERATED_GBL_DATA_SIZE)
+#endif
+
+#endif