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Diffstat (limited to 'arch/arm/mach-mvebu/armada-370-xp.c')
-rw-r--r--arch/arm/mach-mvebu/armada-370-xp.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c
new file mode 100644
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--- /dev/null
+++ b/arch/arm/mach-mvebu/armada-370-xp.c
@@ -0,0 +1,96 @@
+/*
+ * Device Tree support for Armada 370 and XP platforms.
+ *
+ * Copyright (C) 2012 Marvell
+ *
+ * Lior Amsalem <alior@marvell.com>
+ * Gregory CLEMENT <gregory.clement@free-electrons.com>
+ * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <linux/io.h>
+#include <linux/time-armada-370-xp.h>
+#include <linux/clk/mvebu.h>
+#include <linux/dma-mapping.h>
+#include <linux/mbus.h>
+#include <linux/irqchip.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include "armada-370-xp.h"
+#include "common.h"
+#include "coherency.h"
+
+static struct map_desc armada_370_xp_io_desc[] __initdata = {
+ {
+ .virtual = (unsigned long) ARMADA_370_XP_REGS_VIRT_BASE,
+ .pfn = __phys_to_pfn(ARMADA_370_XP_REGS_PHYS_BASE),
+ .length = ARMADA_370_XP_REGS_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init armada_370_xp_map_io(void)
+{
+ iotable_init(armada_370_xp_io_desc, ARRAY_SIZE(armada_370_xp_io_desc));
+}
+
+void __init armada_370_xp_timer_and_clk_init(void)
+{
+ mvebu_clocks_init();
+ armada_370_xp_timer_init();
+}
+
+void __init armada_370_xp_init_early(void)
+{
+ char *mbus_soc_name;
+
+ /*
+ * This initialization will be replaced by a DT-based
+ * initialization once the mvebu-mbus driver gains DT support.
+ */
+ if (of_machine_is_compatible("marvell,armada370"))
+ mbus_soc_name = "marvell,armada370-mbus";
+ else
+ mbus_soc_name = "marvell,armadaxp-mbus";
+
+ mvebu_mbus_init(mbus_soc_name,
+ ARMADA_370_XP_MBUS_WINS_BASE,
+ ARMADA_370_XP_MBUS_WINS_SIZE,
+ ARMADA_370_XP_SDRAM_WINS_BASE,
+ ARMADA_370_XP_SDRAM_WINS_SIZE);
+
+#ifdef CONFIG_CACHE_L2X0
+ l2x0_of_init(0, ~0UL);
+#endif
+}
+
+static void __init armada_370_xp_dt_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+ coherency_init();
+}
+
+static const char * const armada_370_xp_dt_compat[] = {
+ "marvell,armada-370-xp",
+ NULL,
+};
+
+DT_MACHINE_START(ARMADA_XP_DT, "Marvell Armada 370/XP (Device Tree)")
+ .smp = smp_ops(armada_xp_smp_ops),
+ .init_machine = armada_370_xp_dt_init,
+ .map_io = armada_370_xp_map_io,
+ .init_early = armada_370_xp_init_early,
+ .init_irq = irqchip_init,
+ .init_time = armada_370_xp_timer_and_clk_init,
+ .restart = mvebu_restart,
+ .dt_compat = armada_370_xp_dt_compat,
+MACHINE_END