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From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Subject: [PATCH 07/10] MIPS: add initial BCM47xx-based boards support
Date: Sun, 24 Jul 2011 23:22:14 +0400	[thread overview]
Message-ID: <1311535336-4534-6-git-send-email-antonynpavlov@gmail.com> (raw)
In-Reply-To: <1311535336-4534-1-git-send-email-antonynpavlov@gmail.com>

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 arch/mips/Kconfig                              |   10 ++++++
 arch/mips/Makefile                             |    2 +
 arch/mips/mach-bcm47xx/Kconfig                 |   12 +++++++
 arch/mips/mach-bcm47xx/Makefile                |    1 +
 arch/mips/mach-bcm47xx/include/mach/debug_ll.h |   40 ++++++++++++++++++++++++
 arch/mips/mach-bcm47xx/include/mach/hardware.h |   32 +++++++++++++++++++
 arch/mips/mach-bcm47xx/reset.c                 |   36 +++++++++++++++++++++
 7 files changed, 133 insertions(+), 0 deletions(-)
 create mode 100644 arch/mips/mach-bcm47xx/Kconfig
 create mode 100644 arch/mips/mach-bcm47xx/Makefile
 create mode 100644 arch/mips/mach-bcm47xx/include/mach/debug_ll.h
 create mode 100644 arch/mips/mach-bcm47xx/include/mach/hardware.h
 create mode 100644 arch/mips/mach-bcm47xx/reset.c

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index a84d469..50d734a 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -37,9 +37,19 @@ config MACH_MIPS_MALTA
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select HAS_DEBUG_LL
 
+config MACH_MIPS_BCM47XX
+	bool "Broadcom BCM47xx-based boards"
+	select CSRC_R4K_LIB
+	select DRIVER_SERIAL_NS16550
+	select SYS_HAS_CPU_MIPS32_R1
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select HAS_DEBUG_LL
+
 endchoice
 
 source arch/mips/mach-malta/Kconfig
+source arch/mips/mach-bcm47xx/Kconfig
 
 endmenu
 
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index ca6aa56..b3554d2 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -37,6 +37,8 @@ LDFLAGS_barebox += -nostdlib
 machine-$(CONFIG_MACH_MIPS_MALTA)	:= malta
 board-$(CONFIG_BOARD_QEMU_MALTA)	:= qemu-malta
 
+machine-$(CONFIG_MACH_MIPS_BCM47XX)	:= bcm47xx
+
 machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y))
 
 ifeq ($(KBUILD_SRC),)
diff --git a/arch/mips/mach-bcm47xx/Kconfig b/arch/mips/mach-bcm47xx/Kconfig
new file mode 100644
index 0000000..5143a15
--- /dev/null
+++ b/arch/mips/mach-bcm47xx/Kconfig
@@ -0,0 +1,12 @@
+if MACH_MIPS_BCM47XX
+
+config ARCH_TEXT_BASE
+	hex
+	default 0xa0800000
+
+choice
+	prompt "Board type"
+
+endchoice
+
+endif
diff --git a/arch/mips/mach-bcm47xx/Makefile b/arch/mips/mach-bcm47xx/Makefile
new file mode 100644
index 0000000..f3cc668
--- /dev/null
+++ b/arch/mips/mach-bcm47xx/Makefile
@@ -0,0 +1 @@
+obj-y += reset.o
diff --git a/arch/mips/mach-bcm47xx/include/mach/debug_ll.h b/arch/mips/mach-bcm47xx/include/mach/debug_ll.h
new file mode 100644
index 0000000..32d13c1
--- /dev/null
+++ b/arch/mips/mach-bcm47xx/include/mach/debug_ll.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2011 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This file is part of barebox.
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/** @file
+ *  This File contains declaration for early output support
+ */
+#ifndef __INCLUDE_ARCH_DEBUG_LL_H__
+#define   __INCLUDE_ARCH_DEBUG_LL_H__
+
+#include <asm/io.h>
+#include <mach/hardware.h>
+
+#define rbr		0
+#define lsr		5
+#define LSR_THRE	0x20	/* Xmit holding register empty */
+
+static __inline__ void putc(char ch)
+{
+	while (!(__raw_readb(DEBUG_LL_UART_ADDR + lsr) & LSR_THRE));
+	__raw_writeb(ch, DEBUG_LL_UART_ADDR + rbr);
+}
+
+#endif  /* __INCLUDE_ARCH_DEBUG_LL_H__ */
diff --git a/arch/mips/mach-bcm47xx/include/mach/hardware.h b/arch/mips/mach-bcm47xx/include/mach/hardware.h
new file mode 100644
index 0000000..703e7f7
--- /dev/null
+++ b/arch/mips/mach-bcm47xx/include/mach/hardware.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2011 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This file is part of barebox.
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __INCLUDE_ARCH_HARDWARE_H__
+#define   __INCLUDE_ARCH_HARDWARE_H__
+
+#define DEBUG_LL_UART_ADDR	0xb8000300
+
+/*
+ * Reset register.
+ */
+#define SOFTRES_REG	0xbf000500
+#define GORESET		0x42
+
+#endif  /* __INCLUDE_ARCH_HARDWARE_H__ */
diff --git a/arch/mips/mach-bcm47xx/reset.c b/arch/mips/mach-bcm47xx/reset.c
new file mode 100644
index 0000000..2818e7c
--- /dev/null
+++ b/arch/mips/mach-bcm47xx/reset.c
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2011 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This file is part of barebox.
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/**
+ * @file
+ * @brief Resetting an malta board
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <mach/hardware.h>
+
+void __noreturn reset_cpu(ulong addr)
+{
+	__raw_writel(GORESET, (char *)SOFTRES_REG);
+	while (1);
+	/*NOTREACHED*/
+}
+EXPORT_SYMBOL(reset_cpu);
-- 
1.7.5.4


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  parent reply	other threads:[~2011-07-24 19:22 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-24 19:22 [PATCH 02/10] MIPS: import libgcc-related files from linux-2.6.39 Antony Pavlov
2011-07-24 19:22 ` [PATCH 03/10] MIPS: import header files Antony Pavlov
2011-07-24 19:22 ` [PATCH 04/10] MIPS: add start.S, CP0 clocksource, linker script and memory layout function Antony Pavlov
2011-07-24 19:22 ` [PATCH 05/10] MIPS: add Malta machine support to barebox Antony Pavlov
2011-07-24 19:22 ` [PATCH 06/10] MIPS: add qemu malta board " Antony Pavlov
2011-07-25  2:56   ` Jean-Christophe PLAGNIOL-VILLARD
2011-07-24 19:22 ` Antony Pavlov [this message]
2011-07-24 19:22 ` [PATCH 08/10] MIPS: add initial D-Link DIR-320 wireless router support Antony Pavlov
2011-07-25  2:57   ` Jean-Christophe PLAGNIOL-VILLARD
2011-07-25  8:50     ` Antony Pavlov
2011-07-24 19:22 ` [PATCH 09/10] MIPS: add draft cpuinfo command Antony Pavlov
2011-07-25  2:58   ` Jean-Christophe PLAGNIOL-VILLARD
2011-07-25  8:42     ` Antony Pavlov

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