zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-dove/addr-map.c b/ap/os/linux/linux-3.4.x/arch/arm/mach-dove/addr-map.c
new file mode 100644
index 0000000..2a06c01
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-dove/addr-map.c
@@ -0,0 +1,125 @@
+/*
+ * arch/arm/mach-dove/addr-map.c
+ *
+ * Address map functions for Marvell Dove 88AP510 SoC
+ *
+ * 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/mbus.h>
+#include <linux/io.h>
+#include <asm/mach/arch.h>
+#include <asm/setup.h>
+#include <mach/dove.h>
+#include <plat/addr-map.h>
+#include "common.h"
+
+/*
+ * Generic Address Decode Windows bit settings
+ */
+#define TARGET_DDR		0x0
+#define TARGET_BOOTROM		0x1
+#define TARGET_CESA		0x3
+#define TARGET_PCIE0		0x4
+#define TARGET_PCIE1		0x8
+#define TARGET_SCRATCHPAD	0xd
+
+#define ATTR_CESA		0x01
+#define ATTR_BOOTROM		0xfd
+#define ATTR_DEV_SPI0_ROM	0xfe
+#define ATTR_DEV_SPI1_ROM	0xfb
+#define ATTR_PCIE_IO		0xe0
+#define ATTR_PCIE_MEM		0xe8
+#define ATTR_SCRATCHPAD		0x0
+
+static inline void __iomem *ddr_map_sc(int i)
+{
+	return (void __iomem *)(DOVE_MC_VIRT_BASE + 0x100 + ((i) << 4));
+}
+
+/*
+ * Description of the windows needed by the platform code
+ */
+static struct __initdata orion_addr_map_cfg addr_map_cfg = {
+	.num_wins = 8,
+	.remappable_wins = 4,
+	.bridge_virt_base = BRIDGE_VIRT_BASE,
+};
+
+static const struct __initdata orion_addr_map_info addr_map_info[] = {
+	/*
+	 * Windows for PCIe IO+MEM space.
+	 */
+	{ 0, DOVE_PCIE0_IO_PHYS_BASE, DOVE_PCIE0_IO_SIZE,
+	  TARGET_PCIE0, ATTR_PCIE_IO, DOVE_PCIE0_IO_BUS_BASE
+	},
+	{ 1, DOVE_PCIE1_IO_PHYS_BASE, DOVE_PCIE1_IO_SIZE,
+	  TARGET_PCIE1, ATTR_PCIE_IO, DOVE_PCIE1_IO_BUS_BASE
+	},
+	{ 2, DOVE_PCIE0_MEM_PHYS_BASE, DOVE_PCIE0_MEM_SIZE,
+	  TARGET_PCIE0, ATTR_PCIE_MEM, -1
+	},
+	{ 3, DOVE_PCIE1_MEM_PHYS_BASE, DOVE_PCIE1_MEM_SIZE,
+	  TARGET_PCIE1, ATTR_PCIE_MEM, -1
+	},
+	/*
+	 * Window for CESA engine.
+	 */
+	{ 4, DOVE_CESA_PHYS_BASE, DOVE_CESA_SIZE,
+	  TARGET_CESA, ATTR_CESA, -1
+	},
+	/*
+	 * Window to the BootROM for Standby and Sleep Resume
+	 */
+	{ 5, DOVE_BOOTROM_PHYS_BASE, DOVE_BOOTROM_SIZE,
+	  TARGET_BOOTROM, ATTR_BOOTROM, -1
+	},
+	/*
+	 * Window to the PMU Scratch Pad space
+	 */
+	{ 6, DOVE_SCRATCHPAD_PHYS_BASE, DOVE_SCRATCHPAD_SIZE,
+	  TARGET_SCRATCHPAD, ATTR_SCRATCHPAD, -1
+	},
+	/* End marker */
+	{ -1, 0, 0, 0, 0, 0 }
+};
+
+void __init dove_setup_cpu_mbus(void)
+{
+	int i;
+	int cs;
+
+	/*
+	 * Disable, clear and configure windows.
+	 */
+	orion_config_wins(&addr_map_cfg, addr_map_info);
+
+	/*
+	 * Setup MBUS dram target info.
+	 */
+	orion_mbus_dram_info.mbus_dram_target_id = TARGET_DDR;
+
+	for (i = 0, cs = 0; i < 2; i++) {
+		u32 map = readl(ddr_map_sc(i));
+
+		/*
+		 * Chip select enabled?
+		 */
+		if (map & 1) {
+			struct mbus_dram_window *w;
+
+			w = &orion_mbus_dram_info.cs[cs++];
+			w->cs_index = i;
+			w->mbus_attr = 0; /* CS address decoding done inside */
+					  /* the DDR controller, no need to  */
+					  /* provide attributes */
+			w->base = map & 0xff800000;
+			w->size = 0x100000 << (((map & 0x000f0000) >> 16) - 4);
+		}
+	}
+	orion_mbus_dram_info.num_cs = cs;
+}