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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/mips/ath79/dev-common.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/mips/ath79/dev-common.c')
-rw-r--r--arch/mips/ath79/dev-common.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/arch/mips/ath79/dev-common.c b/arch/mips/ath79/dev-common.c
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--- /dev/null
+++ b/arch/mips/ath79/dev-common.c
@@ -0,0 +1,111 @@
+/*
+ * 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 <asm/mach-ath79/ar933x_uart_platform.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
+ },
+};
+
+static struct resource ar933x_uart_resources[] = {
+ {
+ .start = AR933X_UART_BASE,
+ .end = AR933X_UART_BASE + AR71XX_UART_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = ATH79_MISC_IRQ_UART,
+ .end = ATH79_MISC_IRQ_UART,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct ar933x_uart_platform_data ar933x_uart_data;
+static struct platform_device ar933x_uart_device = {
+ .name = "ar933x-uart",
+ .id = -1,
+ .resource = ar933x_uart_resources,
+ .num_resources = ARRAY_SIZE(ar933x_uart_resources),
+ .dev = {
+ .platform_data = &ar933x_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));
+
+ if (soc_is_ar71xx() ||
+ soc_is_ar724x() ||
+ soc_is_ar913x()) {
+ ath79_uart_data[0].uartclk = clk_get_rate(clk);
+ platform_device_register(&ath79_uart_device);
+ } else if (soc_is_ar933x()) {
+ ar933x_uart_data.uartclk = clk_get_rate(clk);
+ platform_device_register(&ar933x_uart_device);
+ } else {
+ BUG();
+ }
+}
+
+static struct platform_device ath79_wdt_device = {
+ .name = "ath79-wdt",
+ .id = -1,
+};
+
+void __init ath79_register_wdt(void)
+{
+ platform_device_register(&ath79_wdt_device);
+}