From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Subject: [PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff
Date: Sat, 18 Jan 2014 19:12:54 +0400 [thread overview]
Message-ID: <1390057983-17921-5-git-send-email-antonynpavlov@gmail.com> (raw)
In-Reply-To: <1390057983-17921-1-git-send-email-antonynpavlov@gmail.com>
This code is based on linux-3.6 code.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
arch/mips/mach-loongson/Makefile | 1 +
arch/mips/mach-loongson/include/mach/loongson1.h | 32 ++++++++++++++++++++++++
arch/mips/mach-loongson/loongson1_reset.c | 27 ++++++++++++++++++++
3 files changed, 60 insertions(+)
create mode 100644 arch/mips/mach-loongson/Makefile
create mode 100644 arch/mips/mach-loongson/include/mach/loongson1.h
create mode 100644 arch/mips/mach-loongson/loongson1_reset.c
diff --git a/arch/mips/mach-loongson/Makefile b/arch/mips/mach-loongson/Makefile
new file mode 100644
index 0000000..52b36f3
--- /dev/null
+++ b/arch/mips/mach-loongson/Makefile
@@ -0,0 +1 @@
+obj-y += loongson1_reset.o
diff --git a/arch/mips/mach-loongson/include/mach/loongson1.h b/arch/mips/mach-loongson/include/mach/loongson1.h
new file mode 100644
index 0000000..98bddfb
--- /dev/null
+++ b/arch/mips/mach-loongson/include/mach/loongson1.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
+ *
+ * Register mappings for Loongson 1
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __ASM_MACH_LOONGSON1_LOONGSON1_H
+#define __ASM_MACH_LOONGSON1_LOONGSON1_H
+
+#include <asm/addrspace.h>
+
+/* Loongson 1 Register Bases */
+#define LS1X_UART0_BASE 0x1fe40000
+#define LS1X_UART1_BASE 0x1fe44000
+#define LS1X_UART2_BASE 0x1fe48000
+#define LS1X_UART3_BASE 0x1fe4c000
+#define LS1X_WDT_BASE 0x1fe5c060
+
+/* Loongson 1 watchdog register definitions */
+#define LS1X_WDT_REG(x) \
+ ((void __iomem *)KSEG1ADDR(LS1X_WDT_BASE + (x)))
+
+#define LS1X_WDT_EN LS1X_WDT_REG(0x0)
+#define LS1X_WDT_SET LS1X_WDT_REG(0x4)
+#define LS1X_WDT_TIMER LS1X_WDT_REG(0x8)
+
+#endif /* __ASM_MACH_LOONGSON1_LOONGSON1_H */
diff --git a/arch/mips/mach-loongson/loongson1_reset.c b/arch/mips/mach-loongson/loongson1_reset.c
new file mode 100644
index 0000000..21f09b5
--- /dev/null
+++ b/arch/mips/mach-loongson/loongson1_reset.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2014 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <common.h>
+#include <io.h>
+#include <mach/loongson1.h>
+
+void __noreturn reset_cpu(ulong addr)
+{
+ __raw_writel(0x1, LS1X_WDT_EN);
+ __raw_writel(0x1, LS1X_WDT_SET);
+ __raw_writel(0x1, LS1X_WDT_TIMER);
+
+ unreachable();
+}
+EXPORT_SYMBOL(reset_cpu);
--
1.8.5.3
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next prev parent reply other threads:[~2014-01-18 15:13 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-18 15:12 [PATCH 00/13] MIPS: add initial Loongson-based boards support Antony Pavlov
2014-01-18 15:12 ` [PATCH 01/13] " Antony Pavlov
2014-01-18 15:12 ` [PATCH 02/13] MIPS: add initial Loongson-family documentation Antony Pavlov
2014-01-18 15:12 ` [PATCH 03/13] MIPS: add Loongson-1B CPU Kbuild stuff Antony Pavlov
2014-01-18 15:12 ` Antony Pavlov [this message]
2014-01-18 15:12 ` [PATCH 05/13] MIPS: add Loongson-1B processor constants and CPU probe Antony Pavlov
2014-01-18 15:12 ` [PATCH 06/13] MIPS: mach-loongson: add loongson-ls1b board Antony Pavlov
2014-01-18 15:12 ` [PATCH 08/13] MIPS: loongson-ls1b: add DEBUG_LL support Antony Pavlov
2014-01-18 15:12 ` [PATCH 09/13] MIPS: loongson-ls1b: add ns16550-based console Antony Pavlov
2014-01-18 15:13 ` [PATCH 10/13] MIPS: loongson-ls1b: add PBL support Antony Pavlov
2014-01-18 15:13 ` [PATCH 11/13] MIPS: loongson-ls1b: add NMON support Antony Pavlov
2014-01-21 7:00 ` [PATCH 00/13] MIPS: add initial Loongson-based boards support Sascha Hauer
2014-01-22 11:15 ` Sascha Hauer
2014-01-22 21:35 ` Antony Pavlov
2014-01-23 7:02 ` Sascha Hauer
2014-01-23 7:59 ` Antony Pavlov
2014-01-23 9:11 ` Sascha Hauer
2014-01-23 10:33 ` Antony Pavlov
2014-01-27 8:24 ` Sascha Hauer
2014-01-30 5:42 ` Antony Pavlov
2014-01-30 9:45 ` Sascha Hauer
2014-01-30 10:52 ` Antony Pavlov
2014-01-30 12:52 ` Antony Pavlov
2014-01-31 6:47 ` Sascha Hauer
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