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| author | Shawn Guo <shawn.guo@freescale.com> | 2010-12-09 23:12:47 +0800 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-12-20 17:30:24 +0100 |
| commit | b9a2ada8ff2ace20b1518a18872319d8619fe1ab (patch) | |
| tree | c48add1ef989823e1ebfe20230e7758862d32dd1 /arch/arm/mach-mxs | |
| parent | dc38ad4052a50b9e73fdcc970ecdd4f69ee9d97a (diff) | |
| download | lwn-b9a2ada8ff2ace20b1518a18872319d8619fe1ab.tar.gz lwn-b9a2ada8ff2ace20b1518a18872319d8619fe1ab.zip | |
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>
Diffstat (limited to 'arch/arm/mach-mxs')
| -rw-r--r-- | arch/arm/mach-mxs/devices-mx28.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/devices/platform-fec.c | 50 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/devices-common.h | 12 |
3 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h index 47c2f0408ec3..00b736c434ba 100644 --- a/arch/arm/mach-mxs/devices-mx28.h +++ b/arch/arm/mach-mxs/devices-mx28.h @@ -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) diff --git a/arch/arm/mach-mxs/devices/platform-fec.c b/arch/arm/mach-mxs/devices/platform-fec.c new file mode 100644 index 000000000000..c08168cf3dec --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-fec.c @@ -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)); +} diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h index 07b44392cfd3..3da48d4d3273 100644 --- a/arch/arm/mach-mxs/include/mach/devices-common.h +++ b/arch/arm/mach-mxs/include/mach/devices-common.h @@ -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); |