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>

diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h
index 47c2f04..00b736c 100644 (file)
--- 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 (file)
index 0000000..c08168c
--- /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 07b4439..3da48d4 100644 (file)
--- 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);