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/*
* arch/arm/mach-orion/common.c
*
* Core functions for Marvell Orion System On Chip
*
* Maintainer: Tzachi Perelstein <tzachi@marvell.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 <asm/page.h>
#include <asm/timex.h>
#include <asm/mach/map.h>
#include <asm/arch/orion.h>
#include "common.h"
/*****************************************************************************
* I/O Address Mapping
****************************************************************************/
static struct map_desc orion_io_desc[] __initdata = {
{
.virtual = ORION_REGS_BASE,
.pfn = __phys_to_pfn(ORION_REGS_BASE),
.length = ORION_REGS_SIZE,
.type = MT_DEVICE
},
{
.virtual = ORION_PCIE_IO_BASE,
.pfn = __phys_to_pfn(ORION_PCIE_IO_BASE),
.length = ORION_PCIE_IO_SIZE,
.type = MT_DEVICE
},
{
.virtual = ORION_PCI_IO_BASE,
.pfn = __phys_to_pfn(ORION_PCI_IO_BASE),
.length = ORION_PCI_IO_SIZE,
.type = MT_DEVICE
},
{
.virtual = ORION_PCIE_WA_BASE,
.pfn = __phys_to_pfn(ORION_PCIE_WA_BASE),
.length = ORION_PCIE_WA_SIZE,
.type = MT_DEVICE
},
};
void __init orion_map_io(void)
{
iotable_init(orion_io_desc, ARRAY_SIZE(orion_io_desc));
}
/*****************************************************************************
* General
****************************************************************************/
/*
* Identify device ID and rev from PCIE configuration header space '0'.
*/
static void orion_id(u32 *dev, u32 *rev, char **dev_name)
{
orion_pcie_id(dev, rev);
if (*dev == MV88F5281_DEV_ID) {
if (*rev == MV88F5281_REV_D2) {
*dev_name = "MV88F5281-D2";
} else if (*rev == MV88F5281_REV_D1) {
*dev_name = "MV88F5281-D1";
} else {
*dev_name = "MV88F5281-Rev-Unsupported";
}
} else if (*dev == MV88F5182_DEV_ID) {
if (*rev == MV88F5182_REV_A2) {
*dev_name = "MV88F5182-A2";
} else {
*dev_name = "MV88F5182-Rev-Unsupported";
}
} else {
*dev_name = "Device-Unknown";
}
}
void __init orion_init(void)
{
char *dev_name;
u32 dev, rev;
orion_id(&dev, &rev, &dev_name);
printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION_TCLK);
/*
* Setup Orion address map
*/
orion_setup_cpu_wins();
orion_setup_usb_wins();
orion_setup_eth_wins();
orion_setup_pci_wins();
orion_setup_pcie_wins();
if (dev == MV88F5182_DEV_ID)
orion_setup_sata_wins();
}
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