linux-kernel - [PATCH 3/3] [ARM] msm: add minimal board file for HTC Dream device

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Date:	Wed, 17 Jun 2009 17:31:15 -0700
From:	Brian Swetland <swetland@...gle.com>
To:	linux-arm-kernel@...ts.arm.linux.org.uk
Cc:	linux-kernel@...r.kernel.org, pavel@....cz,
	Brian Swetland <swetland@...gle.com>
Subject: [PATCH 3/3] [ARM] msm: add minimal board file for HTC Dream device

This is just enough to get the device booting and serial console
working.  Sufficient for debugging further MSM7k/Dream Support.
This will support HTC Dream / T-Mobile G1 / Android ADP1 (which
are all the same hardware, known as "trout" to the ARM machine
database).

Signed-off-by: Brian Swetland <swetland@...gle.com>
---
 arch/arm/mach-msm/Kconfig       |    6 +++
 arch/arm/mach-msm/Makefile      |    1 +
 arch/arm/mach-msm/board-dream.c |   84 +++++++++++++++++++++++++++++++++++++++
 arch/arm/mach-msm/board-dream.h |    5 ++
 4 files changed, 96 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-msm/board-dream.c
 create mode 100644 arch/arm/mach-msm/board-dream.h

diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index 35f2a90..f780086 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -34,4 +34,10 @@ config MACH_HALIBUT
 	help
 	  Support for the Qualcomm SURF7201A eval board.
 
+config MACH_TROUT
+	default y
+	bool "HTC Dream (aka trout)"
+	help
+	  Support for the HTC Dream, T-Mobile G1, Android ADP1 devices.
+
 endif
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index 1aa4700..91e6f5c 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -6,3 +6,4 @@ obj-y += clock.o clock-7x01a.o
 
 obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o
 
+obj-$(CONFIG_MACH_TROUT) += board-dream.o
diff --git a/arch/arm/mach-msm/board-dream.c b/arch/arm/mach-msm/board-dream.c
new file mode 100644
index 0000000..6eae7e3
--- /dev/null
+++ b/arch/arm/mach-msm/board-dream.c
@@ -0,0 +1,84 @@
+/* linux/arch/arm/mach-msm/board-dream.c
+ *
+ * Copyright (C) 2009 Google, Inc.
+ * Author: Brian Swetland <swetland@...gle.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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 <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/board.h>
+#include <mach/hardware.h>
+#include <mach/msm_iomap.h>
+
+#include "devices.h"
+#include "board-dream.h"
+
+static struct platform_device *devices[] __initdata = {
+	&msm_device_uart3,
+	&msm_device_smd,
+	&msm_device_nand,
+	&msm_device_hsusb,
+	&msm_device_i2c,
+};
+
+extern struct sys_timer msm_timer;
+
+static void __init trout_init_irq(void)
+{
+	msm_init_irq();
+}
+
+static void __init trout_init(void)
+{
+	platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+static struct map_desc trout_io_desc[] __initdata = {
+	{
+		.virtual = TROUT_CPLD_BASE,
+		.pfn     = __phys_to_pfn(TROUT_CPLD_START),
+		.length  = TROUT_CPLD_SIZE,
+		.type    = MT_DEVICE_NONSHARED
+	}
+};
+
+static void __init trout_map_io(void)
+{
+	msm_map_common_io();
+	iotable_init(trout_io_desc, ARRAY_SIZE(trout_io_desc));
+
+#ifdef CONFIG_MSM_DEBUG_UART3
+	/* route UART3 to the "H2W" extended usb connector */
+	writeb(0x80, TROUT_CPLD_BASE + 0x00);
+#endif
+
+	msm_clock_init();
+}
+
+MACHINE_START(TROUT, "HTC Dream")
+#ifdef CONFIG_MSM_DEBUG_UART
+	.phys_io	= MSM_DEBUG_UART_PHYS,
+	.io_pg_offst	= ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc,
+#endif
+	.boot_params	= 0x10000100,
+	.map_io		= trout_map_io,
+	.init_irq	= trout_init_irq,
+	.init_machine	= trout_init,
+	.timer		= &msm_timer,
+MACHINE_END
diff --git a/arch/arm/mach-msm/board-dream.h b/arch/arm/mach-msm/board-dream.h
new file mode 100644
index 0000000..4f345a5
--- /dev/null
+++ b/arch/arm/mach-msm/board-dream.h
@@ -0,0 +1,5 @@
+
+#define TROUT_CPLD_BASE   0xE8100000
+#define TROUT_CPLD_START  0x98000000
+#define TROUT_CPLD_SIZE   SZ_4K
+
-- 
1.6.2.4

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