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-rw-r--r--kernel/arch/arm/mach-hisi/hisilicon.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-hisi/hisilicon.c b/kernel/arch/arm/mach-hisi/hisilicon.c
new file mode 100644
index 000000000..c6bd7c7bd
--- /dev/null
+++ b/kernel/arch/arm/mach-hisi/hisilicon.c
@@ -0,0 +1,84 @@
+/*
+ * (Hisilicon's SoC based) flattened device tree enabled machine
+ *
+ * Copyright (c) 2012-2013 Hisilicon Ltd.
+ * Copyright (c) 2012-2013 Linaro Ltd.
+ *
+ * Author: Haojian Zhuang <haojian.zhuang@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/clk-provider.h>
+#include <linux/clocksource.h>
+#include <linux/irqchip.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#define HI3620_SYSCTRL_PHYS_BASE 0xfc802000
+#define HI3620_SYSCTRL_VIRT_BASE 0xfe802000
+
+/*
+ * This table is only for optimization. Since ioremap() could always share
+ * the same mapping if it's defined as static IO mapping.
+ *
+ * Without this table, system could also work. The cost is some virtual address
+ * spaces wasted since ioremap() may be called multi times for the same
+ * IO space.
+ */
+static struct map_desc hi3620_io_desc[] __initdata = {
+ {
+ /* sysctrl */
+ .pfn = __phys_to_pfn(HI3620_SYSCTRL_PHYS_BASE),
+ .virtual = HI3620_SYSCTRL_VIRT_BASE,
+ .length = 0x1000,
+ .type = MT_DEVICE,
+ },
+};
+
+static void __init hi3620_map_io(void)
+{
+ debug_ll_io_init();
+ iotable_init(hi3620_io_desc, ARRAY_SIZE(hi3620_io_desc));
+}
+
+static const char *const hi3xxx_compat[] __initconst = {
+ "hisilicon,hi3620-hi4511",
+ NULL,
+};
+
+DT_MACHINE_START(HI3620, "Hisilicon Hi3620 (Flattened Device Tree)")
+ .map_io = hi3620_map_io,
+ .dt_compat = hi3xxx_compat,
+MACHINE_END
+
+static const char *const hix5hd2_compat[] __initconst = {
+ "hisilicon,hix5hd2",
+ NULL,
+};
+
+DT_MACHINE_START(HIX5HD2_DT, "Hisilicon HIX5HD2 (Flattened Device Tree)")
+ .dt_compat = hix5hd2_compat,
+MACHINE_END
+
+static const char *const hip04_compat[] __initconst = {
+ "hisilicon,hip04-d01",
+ NULL,
+};
+
+DT_MACHINE_START(HIP04, "Hisilicon HiP04 (Flattened Device Tree)")
+ .dt_compat = hip04_compat,
+MACHINE_END
+
+static const char *const hip01_compat[] __initconst = {
+ "hisilicon,hip01",
+ "hisilicon,hip01-ca9x2",
+ NULL,
+};
+
+DT_MACHINE_START(HIP01, "Hisilicon HIP01 (Flattened Device Tree)")
+ .dt_compat = hip01_compat,
+MACHINE_END