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ARM: mxs: Dynamically allocate fec devices 

Dynamically allocate fec devices for MX28, which gets dual
fec interface.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Shawn Guo 2010-12-09 23:12:47 +08:00 committed by Uwe Kleine-König
parent dc38ad4052
commit b9a2ada8ff
3 changed files with 66 additions and 0 deletions
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4
arch/arm/mach-mxs/devices-mx28.h
View File

@ -14,3 +14,7 @@
extern const struct mxs_duart_data mx28_duart_data __initconst;
#define mx28_add_duart() \
mxs_add_duart(&mx28_duart_data)
extern const struct mxs_fec_data mx28_fec_data[] __initconst;
#define mx28_add_fec(id, pdata) \
mxs_add_fec(&mx28_fec_data[id], pdata)

50
arch/arm/mach-mxs/devices/platform-fec.c Normal file
View File

@ -0,0 +1,50 @@
/*
* Copyright (C) 2010 Pengutronix
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
*
* 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 <asm/sizes.h>
#include <mach/mx28.h>
#include <mach/devices-common.h>
#define mxs_fec_data_entry_single(soc, _id) \
{ \
.id = _id, \
.iobase = soc ## _ENET_MAC ## _id ## _BASE_ADDR, \
.irq = soc ## _INT_ENET_MAC ## _id, \
}
#define mxs_fec_data_entry(soc, _id) \
[_id] = mxs_fec_data_entry_single(soc, _id)
#ifdef CONFIG_SOC_IMX28
const struct mxs_fec_data mx28_fec_data[] __initconst = {
#define mx28_fec_data_entry(_id) \
mxs_fec_data_entry(MX28, _id)
mx28_fec_data_entry(0),
mx28_fec_data_entry(1),
};
#endif
struct platform_device *__init mxs_add_fec(
const struct mxs_fec_data *data,
const struct fec_platform_data *pdata)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_16K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->irq,
.end = data->irq,
.flags = IORESOURCE_IRQ,
},
};
return mxs_add_platform_device("fec", data->id,
res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
}

12
arch/arm/mach-mxs/include/mach/devices-common.h
View File

@ -32,3 +32,15 @@ struct mxs_duart_data {
};
struct platform_device *__init mxs_add_duart(
const struct mxs_duart_data *data);
/* fec */
#include <linux/fec.h>
struct mxs_fec_data {
int id;
resource_size_t iobase;
resource_size_t iosize;
resource_size_t irq;
};
struct platform_device *__init mxs_add_fec(
const struct mxs_fec_data *data,
const struct fec_platform_data *pdata);