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authorKevin2014-11-15 09:58:27 +0800
committerKevin2014-11-15 09:58:27 +0800
commit392e8802486cb573b916e746010e141a75f507e6 (patch)
tree50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/arch/arm/mach-kirkwood/addr-map.c
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init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-kirkwood/addr-map.c')
-rw-r--r--ANDROID_3.4.5/arch/arm/mach-kirkwood/addr-map.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-kirkwood/addr-map.c b/ANDROID_3.4.5/arch/arm/mach-kirkwood/addr-map.c
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+/*
+ * arch/arm/mach-kirkwood/addr-map.c
+ *
+ * Address map functions for Marvell Kirkwood SoCs
+ *
+ * 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 <mach/hardware.h>
+#include <plat/addr-map.h>
+#include "common.h"
+
+/*
+ * Generic Address Decode Windows bit settings
+ */
+#define TARGET_DEV_BUS 1
+#define TARGET_SRAM 3
+#define TARGET_PCIE 4
+#define ATTR_DEV_SPI_ROM 0x1e
+#define ATTR_DEV_BOOT 0x1d
+#define ATTR_DEV_NAND 0x2f
+#define ATTR_DEV_CS3 0x37
+#define ATTR_DEV_CS2 0x3b
+#define ATTR_DEV_CS1 0x3d
+#define ATTR_DEV_CS0 0x3e
+#define ATTR_PCIE_IO 0xe0
+#define ATTR_PCIE_MEM 0xe8
+#define ATTR_PCIE1_IO 0xd0
+#define ATTR_PCIE1_MEM 0xd8
+#define ATTR_SRAM 0x01
+
+/*
+ * 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, KIRKWOOD_PCIE_IO_PHYS_BASE, KIRKWOOD_PCIE_IO_SIZE,
+ TARGET_PCIE, ATTR_PCIE_IO, KIRKWOOD_PCIE_IO_BUS_BASE
+ },
+ { 1, KIRKWOOD_PCIE_MEM_PHYS_BASE, KIRKWOOD_PCIE_MEM_SIZE,
+ TARGET_PCIE, ATTR_PCIE_MEM, KIRKWOOD_PCIE_MEM_BUS_BASE
+ },
+ { 2, KIRKWOOD_PCIE1_IO_PHYS_BASE, KIRKWOOD_PCIE1_IO_SIZE,
+ TARGET_PCIE, ATTR_PCIE1_IO, KIRKWOOD_PCIE1_IO_BUS_BASE
+ },
+ { 3, KIRKWOOD_PCIE1_MEM_PHYS_BASE, KIRKWOOD_PCIE1_MEM_SIZE,
+ TARGET_PCIE, ATTR_PCIE1_MEM, KIRKWOOD_PCIE1_MEM_BUS_BASE
+ },
+ /*
+ * Window for NAND controller.
+ */
+ { 4, KIRKWOOD_NAND_MEM_PHYS_BASE, KIRKWOOD_NAND_MEM_SIZE,
+ TARGET_DEV_BUS, ATTR_DEV_NAND, -1
+ },
+ /*
+ * Window for SRAM.
+ */
+ { 5, KIRKWOOD_SRAM_PHYS_BASE, KIRKWOOD_SRAM_SIZE,
+ TARGET_SRAM, ATTR_SRAM, -1
+ },
+ /* End marker */
+ { -1, 0, 0, 0, 0, 0 }
+};
+
+void __init kirkwood_setup_cpu_mbus(void)
+{
+ /*
+ * Disable, clear and configure windows.
+ */
+ orion_config_wins(&addr_map_cfg, addr_map_info);
+
+ /*
+ * Setup MBUS dram target info.
+ */
+ orion_setup_cpu_mbus_target(&addr_map_cfg, DDR_WINDOW_CPU_BASE);
+}