Merge tag 'u-boot-atmel-2021.04-a' of https://gitlab.denx.de/u-boot/custodians/u-boot-atmel

First set of u-boot-atmel features for 2021.04 cycle

This feature set includes the new board SAMA7G5 EK, the new evaluation
kit for Microchip AT91 SAMA7G5 SoC . The current board support includes
two configurations for booting from eMMC (SDMMC0), SD-Card (SDMMC1), and
support for two Ethernet interfaces.

4 files changed, 106 insertions, 0 deletions

diff --git a/board/atmel/sama7g5ek/Kconfig b/board/atmel/sama7g5ek/Kconfig
new file mode 100644
index 0000000..a89db8d
--- /dev/null
+++ b/board/atmel/sama7g5ek/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_SAMA7G5EK
+
+config SYS_BOARD
+	default "sama7g5ek"
+
+config SYS_VENDOR
+	default "atmel"
+
+config SYS_SOC
+	default "at91"
+
+config SYS_CONFIG_NAME
+	default "sama7g5ek"
+
+endif
diff --git a/board/atmel/sama7g5ek/MAINTAINERS b/board/atmel/sama7g5ek/MAINTAINERS
new file mode 100644
index 0000000..eac9729
--- /dev/null
+++ b/board/atmel/sama7g5ek/MAINTAINERS
@@ -0,0 +1,8 @@
+SAMA7G5 EK BOARD
+M:     Eugen Hristev <eugen.hristev@microchip.com>
+S:     Maintained
+F:     board/atmel/sama7g5ek.c
+F:     include/configs/sama7g5ek.h
+F:     configs/sama7g5ek_mmc1_defconfig
+F:     configs/sama7g5ek_mmc_defconfig
+
diff --git a/board/atmel/sama7g5ek/Makefile b/board/atmel/sama7g5ek/Makefile
new file mode 100644
index 0000000..a6eedd1
--- /dev/null
+++ b/board/atmel/sama7g5ek/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier:     GPL-2.0+
+#
+# Copyright (C) 2020 Microchip Technology Inc.
+#                   Eugen Hristev <eugen.hristev@microchip.com>
+#
+
+obj-y += sama7g5ek.o
diff --git a/board/atmel/sama7g5ek/sama7g5ek.c b/board/atmel/sama7g5ek/sama7g5ek.c
new file mode 100644
index 0000000..b5cece0
--- /dev/null
+++ b/board/atmel/sama7g5ek/sama7g5ek.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Microchip Technology, Inc.
+ *		      Eugen Hristev <eugen.hristev@microchip.com>
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <init.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/sama7g5.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_late_init(void)
+{
+	return 0;
+}
+
+#if (IS_ENABLED(CONFIG_DEBUG_UART_BOARD_INIT))
+static void board_uart0_hw_init(void)
+{
+	/* FLEXCOM3 IO0 */
+	atmel_pio4_set_f_periph(AT91_PIO_PORTD, 17, ATMEL_PIO_PUEN_MASK);
+	/* FLEXCOM3 IO1 */
+	atmel_pio4_set_f_periph(AT91_PIO_PORTD, 16, 0);
+
+	at91_periph_clk_enable(ATMEL_ID_FLEXCOM3);
+}
+
+void board_debug_uart_init(void)
+{
+	board_uart0_hw_init();
+}
+#endif
+
+int board_early_init_f(void)
+{
+#if (IS_ENABLED(CONFIG_DEBUG_UART))
+	debug_uart_init();
+#endif
+	return 0;
+}
+
+#define MAC24AA_MAC_OFFSET     0xfa
+
+#if (IS_ENABLED(CONFIG_MISC_INIT_R))
+int misc_init_r(void)
+{
+#if (IS_ENABLED(CONFIG_I2C_EEPROM))
+	at91_set_ethaddr(MAC24AA_MAC_OFFSET);
+	at91_set_eth1addr(MAC24AA_MAC_OFFSET);
+#endif
+	return 0;
+}
+#endif
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+				    CONFIG_SYS_SDRAM_SIZE);
+	return 0;
+}
+