From 0d04f34a357d004364b58159b64aad354e65137e Mon Sep 17 00:00:00 2001
From: Stephen Warren <swarren@wwwdotorg.org>
Date: Sun, 5 Aug 2012 16:07:22 +0000
Subject: ARM: add Raspberry Pi model B board, using BCM2835 SoC

The Raspberry Pi model B uses the BCM2835 SoC, has 256MB of RAM,
contains an SMSC 9512 USB LAN/Hub chip, and various IO connectors.
For more details, see http://www.raspberrypi.org/.

Various portions (cache enable, MACH_TYPE setup, RAM size limit, stack
relocation to top of RAM) extracted from work by:
Oleksandr Tymoshenko <gonzo@bluezbox.com>.

GPIO driver enablement by Vikram Narayanan <vikram186@gmail.com>.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Tom Rini <trini@ti.com>
---
 board/raspberrypi/rpi_b/Makefile | 34 ++++++++++++++++++++++++++++++++++
 board/raspberrypi/rpi_b/rpi_b.c  | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 board/raspberrypi/rpi_b/Makefile
 create mode 100644 board/raspberrypi/rpi_b/rpi_b.c

(limited to 'board/raspberrypi/rpi_b')

diff --git a/board/raspberrypi/rpi_b/Makefile b/board/raspberrypi/rpi_b/Makefile
new file mode 100644
index 00000000000..9d0c377c1b0
--- /dev/null
+++ b/board/raspberrypi/rpi_b/Makefile
@@ -0,0 +1,34 @@
+#
+# 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.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+COBJS	:= $(BOARD).o
+
+SRCS	:= $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/raspberrypi/rpi_b/rpi_b.c b/board/raspberrypi/rpi_b/rpi_b.c
new file mode 100644
index 00000000000..688b0aade13
--- /dev/null
+++ b/board/raspberrypi/rpi_b/rpi_b.c
@@ -0,0 +1,34 @@
+/*
+ * (C) Copyright 2012 Stephen Warren
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+
+	return 0;
+}
+
+int board_init(void)
+{
+	gd->bd->bi_boot_params = 0x100;
+
+	return 0;
+}
-- 
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