boards: Add phytec-phyflex-am335x

Add support for PHYTEC's phyFLEX-AM335x.

Signed-off-by: Stefan Müller-Klieser <s.mueller-klieser@phytec.de>
[clean ups]
Signed-off-by: Teresa Gámez <t.gamez@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 100 insertions, 0 deletions

diff --git a/arch/arm/boards/phytec-phyflex-am335x/board.c b/arch/arm/boards/phytec-phyflex-am335x/board.c
new file mode 100644
index 0000000000..12fad8f998
--- /dev/null
+++ b/arch/arm/boards/phytec-phyflex-am335x/board.c
@@ -0,0 +1,100 @@
+/*
+ * pfla03 - phyFLEX-AM335x Board Initalization Code
+ *
+ * Copyright (C) 2014 Stefan Müller-Klieser, Phytec Messtechnik GmbH
+ *
+ * Based on arch/arm/boards/omap/board-beagle.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <bootsource.h>
+#include <common.h>
+#include <nand.h>
+#include <init.h>
+#include <io.h>
+#include <sizes.h>
+#include <envfs.h>
+#include <asm/armlinux.h>
+#include <generated/mach-types.h>
+#include <linux/phy.h>
+#include <linux/micrel_phy.h>
+#include <mach/am33xx-generic.h>
+#include <mach/am33xx-silicon.h>
+#include <mach/bbu.h>
+
+static int ksz9031rn_phy_fixup(struct phy_device *dev)
+{
+	phy_write_mmd_indirect(dev, 6, 2, 0);
+	phy_write_mmd_indirect(dev, 8, 2, 0x003ff);
+
+	return 0;
+}
+
+static int pfla03_coredevice_init(void)
+{
+	if (!of_machine_is_compatible("phytec,phyflex-am335x-som"))
+		return 0;
+
+	phy_register_fixup_for_uid(PHY_ID_KSZ9031, MICREL_PHY_ID_MASK,
+					ksz9031rn_phy_fixup);
+	am33xx_register_ethaddr(0, 0);
+	am33xx_register_ethaddr(1, 1);
+
+	return 0;
+}
+coredevice_initcall(pfla03_coredevice_init);
+
+static struct omap_barebox_part pfla03_barebox_part = {
+	.nand_offset = SZ_512K,
+	.nand_size = SZ_512K,
+	.nor_offset = SZ_128K,
+	.nor_size = SZ_512K,
+};
+
+static char *xloadslots[] = {
+	"/dev/nand0.xload.bb",
+	"/dev/nand0.xload_backup1.bb",
+	"/dev/nand0.xload_backup2.bb",
+	"/dev/nand0.xload_backup3.bb"
+};
+
+static int pfla03_devices_init(void)
+{
+	if (!of_machine_is_compatible("phytec,phyflex-am335x-som"))
+		return 0;
+
+	switch (bootsource_get()) {
+	case BOOTSOURCE_SPI:
+		of_device_enable_path("/chosen/environment-spi");
+		break;
+	case BOOTSOURCE_MMC:
+		omap_set_bootmmc_devname("mmc0");
+		break;
+	default:
+		of_device_enable_path("/chosen/environment-nand");
+		break;
+	}
+
+	omap_set_barebox_part(&pfla03_barebox_part);
+	armlinux_set_architecture(MACH_TYPE_PFLA03);
+	defaultenv_append_directory(defaultenv_phyflex_am335x);
+
+	am33xx_bbu_spi_nor_mlo_register_handler("MLO.spi", "/dev/m25p0.xload");
+	am33xx_bbu_spi_nor_register_handler("spi", "/dev/m25p0.barebox");
+	am33xx_bbu_nand_xloadslots_register_handler("MLO.nand",
+		xloadslots, ARRAY_SIZE(xloadslots));
+	am33xx_bbu_nand_register_handler("nand", "/dev/nand0.barebox.bb");
+
+	return 0;
+}
+device_initcall(pfla03_devices_init);