Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / mips / ath79 / dev-ar913x-wmac.c

diff --git a/arch/mips/ath79/dev-ar913x-wmac.c b/arch/mips/ath79/dev-ar913x-wmac.c
new file mode 100644 (file)
index 0000000..48f425a
--- /dev/null
+++ b/arch/mips/ath79/dev-ar913x-wmac.c
@@ -0,0 +1,60 @@
+/*
+ *  Atheros AR913X SoC built-in WMAC device support
+ *
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  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/init.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/ath9k_platform.h>
+
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+#include "dev-ar913x-wmac.h"
+
+static struct ath9k_platform_data ar913x_wmac_data;
+
+static struct resource ar913x_wmac_resources[] = {
+       {
+               .start  = AR913X_WMAC_BASE,
+               .end    = AR913X_WMAC_BASE + AR913X_WMAC_SIZE - 1,
+               .flags  = IORESOURCE_MEM,
+       }, {
+               .start  = ATH79_CPU_IRQ_IP2,
+               .end    = ATH79_CPU_IRQ_IP2,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device ar913x_wmac_device = {
+       .name           = "ath9k",
+       .id             = -1,
+       .resource       = ar913x_wmac_resources,
+       .num_resources  = ARRAY_SIZE(ar913x_wmac_resources),
+       .dev = {
+               .platform_data = &ar913x_wmac_data,
+       },
+};
+
+void __init ath79_register_ar913x_wmac(u8 *cal_data)
+{
+       if (cal_data)
+               memcpy(ar913x_wmac_data.eeprom_data, cal_data,
+                      sizeof(ar913x_wmac_data.eeprom_data));
+
+       /* reset the WMAC */
+       ath79_device_reset_set(AR913X_RESET_AMBA2WMAC);
+       mdelay(10);
+
+       ath79_device_reset_clear(AR913X_RESET_AMBA2WMAC);
+       mdelay(10);
+
+       platform_device_register(&ar913x_wmac_device);
+}