ARM: i.MX6: Add Garz+Fricke Santaro board support

Most devices relevant for barebox like sd/emmc/network/uarts
work. Devicetree contains several undefined drive strength settings,
these can be fixed once the kernel has sorted this out.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 70 insertions, 0 deletions

diff --git a/arch/arm/boards/guf-santaro/board.c b/arch/arm/boards/guf-santaro/board.c
new file mode 100644
index 0000000000..198c90a3c6
--- /dev/null
+++ b/arch/arm/boards/guf-santaro/board.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2014 Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * 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 <common.h>
+#include <init.h>
+#include <environment.h>
+#include <mach/imx6-regs.h>
+#include <asm/armlinux.h>
+#include <asm/io.h>
+#include <asm/mmu.h>
+#include <mach/generic.h>
+#include <sizes.h>
+#include <bootsource.h>
+#include <bbu.h>
+#include <mach/bbu.h>
+#include <mach/imx6.h>
+
+static int santaro_postcore_init(void)
+{
+	if (!of_machine_is_compatible("guf,imx6q-santaro"))
+		return 0;
+
+	imx6_init_lowlevel();
+
+	return 0;
+}
+postcore_initcall(santaro_postcore_init);
+
+static int santaro_device_init(void)
+{
+	uint32_t flag_sd = 0, flag_emmc = 0;
+
+	if (!of_machine_is_compatible("guf,imx6q-santaro"))
+		return 0;
+
+	barebox_set_hostname("santaro");
+
+	writew(0x0, MX6_WDOG1_BASE_ADDR + 0x8);
+	writew(0x0, MX6_WDOG2_BASE_ADDR + 0x8);
+
+	if (bootsource_get() == BOOTSOURCE_MMC) {
+		switch (bootsource_get_instance()) {
+		case 1:
+			flag_sd |= BBU_HANDLER_FLAG_DEFAULT;
+			break;
+		case 3:
+			flag_emmc |= BBU_HANDLER_FLAG_DEFAULT;
+			break;
+		}
+	}
+
+	imx6_bbu_internal_mmc_register_handler("sd", "/dev/mmc1",
+			flag_sd, NULL, 0, 0);
+	imx6_bbu_internal_mmc_register_handler("emmc", "/dev/mmc3.boot0",
+			flag_emmc, NULL, 0, 0);
+
+	return 0;
+}
+device_initcall(santaro_device_init);