1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/boards/sama5d3_xplained/board.c b/arch/arm/boards/sama5d3_xplained/board.c
new file mode 100644
index 0000000000..4d908e6b9f
--- /dev/null
+++ b/arch/arm/boards/sama5d3_xplained/board.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <common.h>
+#include <init.h>
+#include <envfs.h>
+#include <mach/at91/at91sam9_smc.h>
+#include <mach/at91/hardware.h>
+#include <linux/clk.h>
+
+static struct sam9_smc_config sama5d3_xplained_nand_smc_config = {
+	.ncs_read_setup		= 1,
+	.nrd_setup		= 2,
+	.ncs_write_setup	= 1,
+	.nwe_setup		= 2,
+
+	.ncs_read_pulse		= 5,
+	.nrd_pulse		= 3,
+	.ncs_write_pulse	= 5,
+	.nwe_pulse		= 3,
+
+	.read_cycle		= 8,
+	.write_cycle		= 8,
+
+	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+				  AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
+	.tdf_cycles		= 3,
+
+	.tclr			= 3,
+	.tadl			= 10,
+	.tar			= 3,
+	.ocms			= 0,
+	.trr			= 4,
+	.twb			= 5,
+	.rbnsel			= 3,
+	.nfsel			= 1
+};
+
+static int sama5d3_xplained_probe(struct device *dev)
+{
+	struct clk *clk;
+
+	barebox_set_hostname("sama5d3_xplained");
+
+	if (IS_ENABLED(CONFIG_DEFAULT_ENVIRONMENT_GENERIC))
+		defaultenv_append_directory(defaultenv_sama5d3_xplained);
+
+	add_generic_device("at91sam9-smc", DEVICE_ID_SINGLE, NULL,
+			   SAMA5D3_BASE_HSMC + 0x600, 0xa0,
+			   IORESOURCE_MEM, NULL);
+
+	clk = clk_lookup("hsmc_clk");
+	if (IS_ERR(clk))
+		dev_warn(dev, "couldn't get hsmc_clk: %pe\n", clk);
+
+	clk_enable(clk);
+
+	/* configure chip-select 3 (NAND) */
+	sama5_smc_configure(0, 3, &sama5d3_xplained_nand_smc_config);
+
+	return 0;
+}
+
+static const struct of_device_id sama5d3_xplained_of_match[] = {
+	{ .compatible = "atmel,sama5d3-xplained" },
+	{ /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, sama5d3_xplained_of_match);
+
+static struct driver sama5d3_xplained_board_driver = {
+	.name = "board-sama5d3_xplained",
+	.probe = sama5d3_xplained_probe,
+	.of_compatible = sama5d3_xplained_of_match,
+};
+coredevice_platform_driver(sama5d3_xplained_board_driver);