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Message-ID: <20090615064234.GA1221@excalibur.local>
Date: Mon, 15 Jun 2009 08:42:34 +0200
From: Stefan Schmidt <stefan@...enfreihafen.org>
To: Brian Swetland <swetland@...gle.com>
Cc: linux-arm-kernel@...ts.arm.linux.org.uk,
linux-kernel@...r.kernel.org, pavel@....cz
Subject: Re: [PATCH 3/3] [ARM] msm: add minimal board file for HTC Dream
device
Hello.
On Sun, 2009-06-14 at 19:39, Brian Swetland wrote:
> 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 | 113 +++++++++++++++++++++++++++++++++++++++
> arch/arm/mach-msm/board-dream.h | 5 ++
> 4 files changed, 125 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..1babe45
> --- /dev/null
> +++ b/arch/arm/mach-msm/board-dream.c
> @@ -0,0 +1,113 @@
> +/* 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 <linux/input.h>
> +#include <linux/io.h>
> +#include <linux/delay.h>
> +
> +#include <mach/hardware.h>
> +#include <asm/mach-types.h>
> +#include <asm/mach/arch.h>
> +#include <asm/mach/map.h>
> +#include <asm/mach/flash.h>
> +
> +#include <mach/irqs.h>
> +#include <mach/board.h>
> +#include <mach/msm_iomap.h>
> +
> +#include <linux/mtd/nand.h>
> +#include <linux/mtd/partitions.h>
I see nothing in this file that needs mtd header files. Leftover from the "big"
machine file? Please aslo check if the other header files are needed.
> +#include "devices.h"
> +#include "board-dream.h"
> +
> +static struct resource smc91x_resources[] = {
> + [0] = {
> + .start = 0x9C004300,
> + .end = 0x9C004400,
> + .flags = IORESOURCE_MEM,
> + },
> + [1] = {
> + .start = MSM_GPIO_TO_INT(49),
> + .end = MSM_GPIO_TO_INT(49),
> + .flags = IORESOURCE_IRQ,
> + },
> +};
> +
> +static struct platform_device smc91x_device = {
> + .name = "smc91x",
> + .id = 0,
> + .num_resources = ARRAY_SIZE(smc91x_resources),
> + .resource = smc91x_resources,
> +};
I'm a bit confused here. The dream is the T-Mobile G1 and the Android dev phone,
right? Is there really a network chip connected inside the device? Or is this a
leftover from the developer board?
> +static struct platform_device *devices[] __initdata = {
> + &msm_device_uart3,
> + &msm_device_smd,
> + &msm_device_nand,
> + &msm_device_hsusb,
> + &msm_device_i2c,
> + &smc91x_device,
> +};
> +
> +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
regards
Stefan Schmidt
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