1 files changed, 111 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/sama5.c b/arch/arm/mach-at91/sama5.c
new file mode 100644
index 00000000000..03dcb441f3d
--- /dev/null
+++ b/arch/arm/mach-at91/sama5.c
@@ -0,0 +1,111 @@
+/*
+ *  Setup code for SAMA5
+ *
+ *  Copyright (C) 2013 Atmel,
+ *                2013 Ludovic Desroches <ludovic.desroches@atmel.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/gpio.h>
+#include <linux/micrel_phy.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/phy.h>
+#include <linux/clk-provider.h>
+#include <linux/phy.h>
+
+#include <mach/hardware.h>
+
+#include <asm/setup.h>
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include "generic.h"
+
+static int ksz8081_phy_fixup(struct phy_device *phy)
+{
+	int value;
+
+	value = phy_read(phy, 0x16);
+	value &= ~0x20;
+	phy_write(phy, 0x16, value);
+
+	return 0;
+}
+
+static void __init sama5_dt_device_init(void)
+{
+	if (of_machine_is_compatible("atmel,sama5d4ek") &&
+	   IS_ENABLED(CONFIG_PHYLIB)) {
+		phy_register_fixup_for_id("fc028000.etherne:00",
+						ksz8081_phy_fixup);
+	}
+
+	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+	at91sam9x5_pm_init();
+}
+
+static const char *sama5_dt_board_compat[] __initconst = {
+	"atmel,sama5",
+	NULL
+};
+
+DT_MACHINE_START(sama5_dt, "Atmel SAMA5")
+	/* Maintainer: Atmel */
+	.map_io		= at91_map_io,
+	.init_machine	= sama5_dt_device_init,
+	.dt_compat	= sama5_dt_board_compat,
+MACHINE_END
+
+static struct map_desc at91_io_desc[] __initdata = {
+	{
+	.virtual        = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_MPDDRC),
+	.pfn            = __phys_to_pfn(SAMA5D4_BASE_MPDDRC),
+	.length         = SZ_512,
+	.type           = MT_DEVICE,
+	},
+	{
+	.virtual        = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_PMC),
+	.pfn            = __phys_to_pfn(SAMA5D4_BASE_PMC),
+	.length         = SZ_512,
+	.type           = MT_DEVICE,
+	},
+	{ /* On sama5d4, we use USART3 as serial console */
+	.virtual        = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_USART3),
+	.pfn            = __phys_to_pfn(SAMA5D4_BASE_USART3),
+	.length         = SZ_256,
+	.type           = MT_DEVICE,
+	},
+	{ /* A bunch of peripheral with fine grained IO space */
+	.virtual        = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_SYS2),
+	.pfn            = __phys_to_pfn(SAMA5D4_BASE_SYS2),
+	.length         = SZ_2K,
+	.type           = MT_DEVICE,
+	},
+};
+
+static void __init sama5_alt_map_io(void)
+{
+	at91_alt_map_io();
+	iotable_init(at91_io_desc, ARRAY_SIZE(at91_io_desc));
+}
+
+static const char *sama5_alt_dt_board_compat[] __initconst = {
+	"atmel,sama5d4",
+	NULL
+};
+
+DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5")
+	/* Maintainer: Atmel */
+	.map_io		= sama5_alt_map_io,
+	.init_machine	= sama5_dt_device_init,
+	.dt_compat	= sama5_alt_dt_board_compat,
+	.l2c_aux_mask	= ~0UL,
+MACHINE_END