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authorSascha Hauer <s.hauer@pengutronix.de>2011-02-11 08:32:18 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2011-02-11 08:33:14 +0100
commitf19693a17c6705e197eb24d4618060eaac1b535c (patch)
treefc39dc23297c0e6be730cb0dfd74a34d9c0b8bfd /arch/mips/ath79/dev-common.c
parent23b120cdfae4f5c29da69de750d545bad719ead4 (diff)
parent100b33c8bd8a3235fd0b7948338d6cbb3db3c63d (diff)
Merge commit 'v2.6.38-rc4' into imx-for-2.6.39
Conflicts: arch/arm/mach-mxs/clock-mx28.c Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/mips/ath79/dev-common.c')
-rw-r--r--arch/mips/ath79/dev-common.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/mips/ath79/dev-common.c b/arch/mips/ath79/dev-common.c
new file mode 100644
index 000000000000..3b82e325bebf
--- /dev/null
+++ b/arch/mips/ath79/dev-common.c
@@ -0,0 +1,77 @@
+/*
+ * Atheros AR71XX/AR724X/AR913X common devices
+ *
+ * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * Parts of this file are based on Atheros' 2.6.15 BSP
+ *
+ * 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>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+#include "common.h"
+#include "dev-common.h"
+
+static struct resource ath79_uart_resources[] = {
+ {
+ .start = AR71XX_UART_BASE,
+ .end = AR71XX_UART_BASE + AR71XX_UART_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+#define AR71XX_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP)
+static struct plat_serial8250_port ath79_uart_data[] = {
+ {
+ .mapbase = AR71XX_UART_BASE,
+ .irq = ATH79_MISC_IRQ_UART,
+ .flags = AR71XX_UART_FLAGS,
+ .iotype = UPIO_MEM32,
+ .regshift = 2,
+ }, {
+ /* terminating entry */
+ }
+};
+
+static struct platform_device ath79_uart_device = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .resource = ath79_uart_resources,
+ .num_resources = ARRAY_SIZE(ath79_uart_resources),
+ .dev = {
+ .platform_data = ath79_uart_data
+ },
+};
+
+void __init ath79_register_uart(void)
+{
+ struct clk *clk;
+
+ clk = clk_get(NULL, "uart");
+ if (IS_ERR(clk))
+ panic("unable to get UART clock, err=%ld", PTR_ERR(clk));
+
+ ath79_uart_data[0].uartclk = clk_get_rate(clk);
+ platform_device_register(&ath79_uart_device);
+}
+
+static struct platform_device ath79_wdt_device = {
+ .name = "ath79-wdt",
+ .id = -1,
+};
+
+void __init ath79_register_wdt(void)
+{
+ platform_device_register(&ath79_wdt_device);
+}