bcm968360bg: add initial support

This add the initial support of the broadcom reference
board bcm968360bg with a bcm68360 SoC.

This board has 512 MB of RAM, 256 MB of flash (nand),
2 USB port, 1 UART, and 4 ethernet ports.

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>

4 files changed, 87 insertions, 0 deletions

diff --git a/board/broadcom/bcm968360bg/Kconfig b/board/broadcom/bcm968360bg/Kconfig
new file mode 100644
index 0000000000..dd372f126a
--- /dev/null
+++ b/board/broadcom/bcm968360bg/Kconfig
@@ -0,0 +1,17 @@
+if ARCH_BCM68360
+
+config SYS_VENDOR
+	default "broadcom"
+
+config SYS_BOARD
+	default "bcm968360bg"
+
+config SYS_CONFIG_NAME
+	default "broadcom_bcm968360bg"
+
+endif
+
+config TARGET_BCM968360BG
+	bool "Support Broadcom bcm968360bg"
+	depends on ARCH_BCM68360
+	select ARM64
diff --git a/board/broadcom/bcm968360bg/MAINTAINERS b/board/broadcom/bcm968360bg/MAINTAINERS
new file mode 100644
index 0000000000..cfcbbc51f8
--- /dev/null
+++ b/board/broadcom/bcm968360bg/MAINTAINERS
@@ -0,0 +1,6 @@
+BCM968360BG BOARD
+M:	Philippe Reynes <philippe.reynes@softathome.com>
+S:	Maintained
+F:	board/broadcom/bcm968360bg
+F:	include/configs/broadcom_bcm968360bg.h
+F:	configs/bcm968360bg_ram_defconfig
diff --git a/board/broadcom/bcm968360bg/Makefile b/board/broadcom/bcm968360bg/Makefile
new file mode 100644
index 0000000000..d099c1cf35
--- /dev/null
+++ b/board/broadcom/bcm968360bg/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0+
+
+obj-y	+= bcm968360bg.o
diff --git a/board/broadcom/bcm968360bg/bcm968360bg.c b/board/broadcom/bcm968360bg/bcm968360bg.c
new file mode 100644
index 0000000000..a5fbc1d297
--- /dev/null
+++ b/board/broadcom/bcm968360bg/bcm968360bg.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Philippe Reynes <philippe.reynes@softathome.com>
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <linux/io.h>
+
+#ifdef CONFIG_ARM64
+#include <asm/armv8/mmu.h>
+
+static struct mm_region broadcom_bcm968360bg_mem_map[] = {
+	{
+		/* RAM */
+		.virt = 0x00000000UL,
+		.phys = 0x00000000UL,
+		.size = 8UL * SZ_1G,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		/* SoC */
+		.virt = 0x80000000UL,
+		.phys = 0x80000000UL,
+		.size = 0xff80000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		/* List terminator */
+		0,
+	}
+};
+
+struct mm_region *mem_map = broadcom_bcm968360bg_mem_map;
+#endif
+
+int board_init(void)
+{
+	return 0;
+}
+
+int dram_init(void)
+{
+	if (fdtdec_setup_mem_size_base() != 0)
+		printf("fdtdec_setup_mem_size_base() has failed\n");
+
+	return 0;
+}
+
+int dram_init_banksize(void)
+{
+	fdtdec_setup_memory_banksize();
+
+	return 0;
+}
+
+int print_cpuinfo(void)
+{
+	return 0;
+}