board: sama7d65_curiosity: Add support for sama7d65_curiosity

Add board specific functions for sama7d65_curiosity.

Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>

arch/arm/mach-at91/Kconfig

@@ -304,6 +304,13 @@ config TARGET_SAMA7G54_CURIOSITY
 	  4Gbit SLC nand-flash, MCP16502 PMIC, 2 x Mikrobus connectors,
 	  1 x SD-Card connector, 1 x M.2 slot, 3 x USB
 
+config TARGET_SAMA7D65_CURIOSITY
+	bool "SAMA7D65 CURIOSITY board"
+	select SAMA7D65
+	select BOARD_EARLY_INIT_F
+	select BOARD_LATE_INIT
+	imply OF_UPSTREAM
+
 config TARGET_TAURUS
 	bool "Support taurus"
 	select AT91SAM9G20
@@ -370,6 +377,7 @@ source "board/atmel/sam9x60_curiosity/Kconfig"
 source "board/atmel/sam9x75_curiosity/Kconfig"
 source "board/atmel/sama7g5ek/Kconfig"
 source "board/atmel/sama7g54_curiosity/Kconfig"
+source "board/atmel/sama7d65_curiosity/Kconfig"
 source "board/atmel/sama5d2_ptc_ek/Kconfig"
 source "board/atmel/sama5d2_xplained/Kconfig"
 source "board/atmel/sama5d27_som1_ek/Kconfig"

board/atmel/sama7d65_curiosity/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_SAMA7D65_CURIOSITY
+
+config SYS_BOARD
+	default "sama7d65_curiosity"
+
+config SYS_VENDOR
+	default "atmel"
+
+config SYS_SOC
+	default "at91"
+
+config SYS_CONFIG_NAME
+	default "sama7d65_curiosity"
+
+endif

board/atmel/sama7d65_curiosity/MAINTAINERS

@@ -0,0 +1,5 @@
+SAMA7D65 CURIOSITY BOARD
+M:     Ryan Wanner <ryan.wanner@microchip.com>
+S:     Maintained
+F:     board/atmel/sama7d65_curiosity.c
+F:     include/configs/sama7d65_curiosity.h

board/atmel/sama7d65_curiosity/Makefile

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier:     GPL-2.0+
+#
+# Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries
+#
+# Author: Ryan Wanner <ryan.wanner@microchip.com>
+
+obj-y += sama7d65_curiosity.o

board/atmel/sama7d65_curiosity/sama7d65_curiosity.c

@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2024 Microchip Technology, Inc. and its subsidiaries
+ *
+ * Author: Ryan Wanner <ryan.wanner@microchip.com>
+ *
+ */
+
+#include <debug_uart.h>
+#include <init.h>
+#include <fdtdec.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/atmel_pio4.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/sama7d65.h>
+#include <asm/mach-types.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void board_leds_init(void)
+{
+	atmel_pio4_set_pio_output(AT91_PIO_PORTA, 21, 0);	/* LED BLUE */
+	atmel_pio4_set_pio_output(AT91_PIO_PORTB, 17, 0);	/* LED RED */
+	atmel_pio4_set_pio_output(AT91_PIO_PORTB, 15, 1);	/* LED GREEN */
+}
+
+int board_late_init(void)
+{
+	return 0;
+}
+
+#if (IS_ENABLED(CONFIG_DEBUG_UART_BOARD_INIT))
+static void board_uart0_hw_init(void)
+{
+	/* FLEXCOM6 IO0 */
+	atmel_pio4_set_b_periph(AT91_PIO_PORTD, 18, 0);
+	/* FLEXCOM6 IO1 */
+	atmel_pio4_set_b_periph(AT91_PIO_PORTD, 19, 0);
+
+	at91_periph_clk_enable(ATMEL_ID_FLEXCOM6);
+}
+
+void board_debug_uart_init(void)
+{
+	board_uart0_hw_init();
+}
+#endif
+
+int board_early_init_f(void)
+{
+	return 0;
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
+
+	board_leds_init();
+
+	return 0;
+}
+
+int dram_init_banksize(void)
+{
+	return fdtdec_setup_memory_banksize();
+}
+
+int dram_init(void)
+{
+	return fdtdec_setup_mem_size_base();
+}

include/configs/sama7d65_curiosity.h

@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Configuration file for the SAMA7D65 Curiosity Board.
+ *
+ * Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Ryan Wanner <ryan.wanner@microchip.com>
+ *
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CFG_SYS_AT91_SLOW_CLOCK      32768
+#define CFG_SYS_AT91_MAIN_CLOCK      24000000 /* from 24 MHz crystal */
+/* SDRAM */
+#define CFG_SYS_SDRAM_BASE		0x60000000
+#define CFG_SYS_SDRAM_SIZE		0x40000000
+
+#endif