android_kernel_xiaomi_sm8350/arch/arm/mach-msm/board-trout.c
Daniel Walker 5e96da5d50 msm: generalize clock support.
The 'PCOM' method of clock control (commands issued to the radio
CPU) is shared across several (but not all) Qualcomm SOCs.
Generalize this clock mechanism so these other SOCs can be added.

Signed-off-by: Gregory Bean <gbean@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
2010-05-13 16:08:20 -07:00

96 lines
2.3 KiB
C

/* linux/arch/arm/mach-msm/board-trout.c
*
* Copyright (C) 2009 Google, Inc.
* Author: Brian Swetland <swetland@google.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 <asm/setup.h>
#include <mach/board.h>
#include <mach/hardware.h>
#include <mach/msm_iomap.h>
#include "devices.h"
#include "board-trout.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_fixup(struct machine_desc *desc, struct tag *tags,
char **cmdline, struct meminfo *mi)
{
mi->nr_banks = 1;
mi->bank[0].start = PHYS_OFFSET;
mi->bank[0].node = PHYS_TO_NID(PHYS_OFFSET);
mi->bank[0].size = (101*1024*1024);
}
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(msm_clocks_7x01a, msm_num_clocks_7x01a);
}
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,
.fixup = trout_fixup,
.map_io = trout_map_io,
.init_irq = trout_init_irq,
.init_machine = trout_init,
.timer = &msm_timer,
MACHINE_END