2006-12-18 05:10:48 +08:00
|
|
|
/*
|
|
|
|
* linux/arch/arm/mach-ep93xx/micro9.c
|
|
|
|
*
|
|
|
|
* Copyright (C) 2006 Contec Steuerungstechnik & Automation GmbH
|
2009-10-07 15:36:07 +08:00
|
|
|
* Manfred Gruber <m.gruber@tirol.com>
|
|
|
|
* Copyright (C) 2009 Contec Steuerungstechnik & Automation GmbH
|
|
|
|
* Hubert Feurstein <hubert.feurstein@contec.at>
|
2006-12-18 05:10:48 +08:00
|
|
|
*
|
|
|
|
* 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/kernel.h>
|
2009-07-07 00:39:50 +08:00
|
|
|
#include <linux/init.h>
|
2006-12-18 05:10:48 +08:00
|
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <linux/mtd/physmap.h>
|
|
|
|
|
2008-08-05 23:14:15 +08:00
|
|
|
#include <mach/hardware.h>
|
2006-12-18 05:10:48 +08:00
|
|
|
|
|
|
|
#include <asm/mach-types.h>
|
2009-07-07 00:39:50 +08:00
|
|
|
#include <asm/mach/arch.h>
|
|
|
|
|
2006-12-18 05:10:48 +08:00
|
|
|
|
2009-10-07 15:39:09 +08:00
|
|
|
/*************************************************************************
|
|
|
|
* Micro9 NOR Flash
|
|
|
|
*
|
|
|
|
* Micro9-High has up to 64MB of 32-bit flash on CS1
|
|
|
|
* Micro9-Mid has up to 64MB of either 32-bit or 16-bit flash on CS1
|
|
|
|
* Micro9-Lite uses a seperate MTD map driver for flash support
|
2009-10-07 15:41:01 +08:00
|
|
|
* Micro9-Slim has up to 64MB of either 32-bit or 16-bit flash on CS1
|
2009-10-07 15:39:09 +08:00
|
|
|
*************************************************************************/
|
|
|
|
static struct physmap_flash_data micro9_flash_data;
|
2006-12-18 05:10:48 +08:00
|
|
|
|
2009-10-07 15:39:09 +08:00
|
|
|
static struct resource micro9_flash_resource = {
|
2008-12-09 00:57:22 +08:00
|
|
|
.start = EP93XX_CS1_PHYS_BASE,
|
|
|
|
.end = EP93XX_CS1_PHYS_BASE + SZ_64M - 1,
|
|
|
|
.flags = IORESOURCE_MEM,
|
2006-12-18 05:10:48 +08:00
|
|
|
};
|
|
|
|
|
2009-10-07 15:39:09 +08:00
|
|
|
static struct platform_device micro9_flash = {
|
2008-12-09 00:57:22 +08:00
|
|
|
.name = "physmap-flash",
|
|
|
|
.id = 0,
|
|
|
|
.dev = {
|
2009-10-07 15:39:09 +08:00
|
|
|
.platform_data = µ9_flash_data,
|
2008-12-09 00:57:22 +08:00
|
|
|
},
|
|
|
|
.num_resources = 1,
|
2009-10-07 15:39:09 +08:00
|
|
|
.resource = µ9_flash_resource,
|
2006-12-18 05:10:48 +08:00
|
|
|
};
|
|
|
|
|
2009-10-07 15:39:09 +08:00
|
|
|
static void __init __micro9_register_flash(unsigned int width)
|
|
|
|
{
|
|
|
|
micro9_flash_data.width = width;
|
|
|
|
|
|
|
|
platform_device_register(µ9_flash);
|
|
|
|
}
|
|
|
|
|
|
|
|
static unsigned int __init micro9_detect_bootwidth(void)
|
2006-12-18 05:10:48 +08:00
|
|
|
{
|
2009-10-07 15:39:09 +08:00
|
|
|
u32 v;
|
|
|
|
|
|
|
|
/* Detect the bus width of the external flash memory */
|
|
|
|
v = __raw_readl(EP93XX_SYSCON_SYSCFG);
|
|
|
|
if (v & EP93XX_SYSCON_SYSCFG_LCSN7)
|
|
|
|
return 4; /* 32-bit */
|
|
|
|
else
|
|
|
|
return 2; /* 16-bit */
|
2006-12-18 05:10:48 +08:00
|
|
|
}
|
|
|
|
|
2009-10-07 15:39:09 +08:00
|
|
|
static void __init micro9_register_flash(void)
|
|
|
|
{
|
|
|
|
if (machine_is_micro9())
|
|
|
|
__micro9_register_flash(4);
|
2009-10-07 15:41:01 +08:00
|
|
|
else if (machine_is_micro9m() || machine_is_micro9s())
|
2009-10-07 15:39:09 +08:00
|
|
|
__micro9_register_flash(micro9_detect_bootwidth());
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*************************************************************************
|
|
|
|
* Micro9 Ethernet
|
|
|
|
*************************************************************************/
|
|
|
|
static struct ep93xx_eth_data micro9_eth_data = {
|
|
|
|
.phy_id = 0x1f,
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
static void __init micro9_init_machine(void)
|
2006-12-18 05:10:48 +08:00
|
|
|
{
|
2008-12-09 00:57:22 +08:00
|
|
|
ep93xx_init_devices();
|
2009-10-07 15:39:09 +08:00
|
|
|
ep93xx_register_eth(µ9_eth_data, 1);
|
|
|
|
micro9_register_flash();
|
2006-12-18 05:10:48 +08:00
|
|
|
}
|
|
|
|
|
2009-10-07 15:39:09 +08:00
|
|
|
|
|
|
|
#ifdef CONFIG_MACH_MICRO9H
|
|
|
|
MACHINE_START(MICRO9, "Contec Micro9-High")
|
2009-10-07 15:36:07 +08:00
|
|
|
/* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
|
2008-12-09 00:57:22 +08:00
|
|
|
.phys_io = EP93XX_APB_PHYS_BASE,
|
|
|
|
.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
|
|
|
|
.boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
|
|
|
|
.map_io = ep93xx_map_io,
|
|
|
|
.init_irq = ep93xx_init_irq,
|
|
|
|
.timer = &ep93xx_timer,
|
2009-10-07 15:39:09 +08:00
|
|
|
.init_machine = micro9_init_machine,
|
2006-12-18 05:10:48 +08:00
|
|
|
MACHINE_END
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_MACH_MICRO9M
|
2009-10-07 15:39:09 +08:00
|
|
|
MACHINE_START(MICRO9M, "Contec Micro9-Mid")
|
2009-10-07 15:36:07 +08:00
|
|
|
/* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
|
2008-12-09 00:57:22 +08:00
|
|
|
.phys_io = EP93XX_APB_PHYS_BASE,
|
|
|
|
.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
|
2009-10-07 15:39:09 +08:00
|
|
|
.boot_params = EP93XX_SDCE3_PHYS_BASE_ASYNC + 0x100,
|
2008-12-09 00:57:22 +08:00
|
|
|
.map_io = ep93xx_map_io,
|
|
|
|
.init_irq = ep93xx_init_irq,
|
|
|
|
.timer = &ep93xx_timer,
|
2009-10-07 15:39:09 +08:00
|
|
|
.init_machine = micro9_init_machine,
|
2006-12-18 05:10:48 +08:00
|
|
|
MACHINE_END
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_MACH_MICRO9L
|
2009-10-07 15:39:09 +08:00
|
|
|
MACHINE_START(MICRO9L, "Contec Micro9-Lite")
|
2009-10-07 15:36:07 +08:00
|
|
|
/* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
|
2008-12-09 00:57:22 +08:00
|
|
|
.phys_io = EP93XX_APB_PHYS_BASE,
|
|
|
|
.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
|
|
|
|
.boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
|
|
|
|
.map_io = ep93xx_map_io,
|
|
|
|
.init_irq = ep93xx_init_irq,
|
|
|
|
.timer = &ep93xx_timer,
|
2009-10-07 15:39:09 +08:00
|
|
|
.init_machine = micro9_init_machine,
|
2006-12-18 05:10:48 +08:00
|
|
|
MACHINE_END
|
|
|
|
#endif
|
2009-10-07 15:41:01 +08:00
|
|
|
|
|
|
|
#ifdef CONFIG_MACH_MICRO9S
|
|
|
|
MACHINE_START(MICRO9S, "Contec Micro9-Slim")
|
|
|
|
/* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
|
|
|
|
.phys_io = EP93XX_APB_PHYS_BASE,
|
|
|
|
.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
|
|
|
|
.boot_params = EP93XX_SDCE3_PHYS_BASE_ASYNC + 0x100,
|
|
|
|
.map_io = ep93xx_map_io,
|
|
|
|
.init_irq = ep93xx_init_irq,
|
|
|
|
.timer = &ep93xx_timer,
|
|
|
|
.init_machine = micro9_init_machine,
|
|
|
|
MACHINE_END
|
|
|
|
#endif
|