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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
struct mbus_dram_target_info kirkwood_mbus_dram_info;
/*
* 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, &kirkwood_mbus_dram_info,
DDR_WINDOW_CPU_BASE);
}
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