mirror of
https://github.com/hardkernel/linux.git
synced 2026-06-10 21:07:02 +09:00
rk31: add fpga board support
This commit is contained in:
黄涛
96
arch/arm/configs/rk31_fpga_defconfig
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96
arch/arm/configs/rk31_fpga_defconfig
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@@ -0,0 +1,96 @@
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CONFIG_EXPERIMENTAL=y
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# CONFIG_LOCALVERSION_AUTO is not set
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CONFIG_KERNEL_LZO=y
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CONFIG_LOG_BUF_SHIFT=19
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CONFIG_CGROUPS=y
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CONFIG_CGROUP_DEBUG=y
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CONFIG_CGROUP_FREEZER=y
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CONFIG_CGROUP_CPUACCT=y
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CONFIG_RESOURCE_COUNTERS=y
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CONFIG_CGROUP_SCHED=y
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CONFIG_RT_GROUP_SCHED=y
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CONFIG_BLK_DEV_INITRD=y
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CONFIG_INITRAMFS_SOURCE="root"
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CONFIG_INITRAMFS_COMPRESSION_GZIP=y
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CONFIG_CC_OPTIMIZE_FOR_SIZE=y
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CONFIG_PANIC_TIMEOUT=1
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# CONFIG_SYSCTL_SYSCALL is not set
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# CONFIG_ELF_CORE is not set
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CONFIG_ASHMEM=y
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# CONFIG_AIO is not set
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CONFIG_EMBEDDED=y
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CONFIG_MODULES=y
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CONFIG_MODULE_FORCE_LOAD=y
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CONFIG_MODULE_UNLOAD=y
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CONFIG_MODULE_FORCE_UNLOAD=y
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CONFIG_ARCH_RK31=y
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# CONFIG_DDR_TEST is not set
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# CONFIG_RK29_LAST_LOG is not set
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CONFIG_RK_DEBUG_UART=1
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# CONFIG_CACHE_L2X0 is not set
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CONFIG_FIQ_DEBUGGER=y
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CONFIG_FIQ_DEBUGGER_NO_SLEEP=y
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CONFIG_FIQ_DEBUGGER_CONSOLE=y
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CONFIG_FIQ_DEBUGGER_CONSOLE_DEFAULT_ENABLE=y
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CONFIG_NO_HZ=y
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CONFIG_HIGH_RES_TIMERS=y
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CONFIG_PREEMPT=y
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CONFIG_AEABI=y
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# CONFIG_OABI_COMPAT is not set
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CONFIG_HIGHMEM=y
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CONFIG_COMPACTION=y
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CONFIG_DEFAULT_MMAP_MIN_ADDR=32768
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CONFIG_CMDLINE="console=ttyFIQ0 androidboot.console=ttyFIQ0 init=/init debug"
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CONFIG_VFP=y
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CONFIG_WAKELOCK=y
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CONFIG_PM_RUNTIME=y
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CONFIG_SUSPEND_TIME=y
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CONFIG_NET=y
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CONFIG_UNIX=y
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# CONFIG_NET_ACTIVITY_STATS is not set
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# CONFIG_WIRELESS is not set
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CONFIG_DEVTMPFS=y
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CONFIG_DEVTMPFS_MOUNT=y
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# CONFIG_FIRMWARE_IN_KERNEL is not set
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CONFIG_MTD=y
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CONFIG_MISC_DEVICES=y
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# CONFIG_ANDROID_PMEM is not set
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CONFIG_INPUT_POLLDEV=y
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# CONFIG_INPUT_MOUSEDEV is not set
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CONFIG_INPUT_EVDEV=y
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# CONFIG_KEYBOARD_ATKBD is not set
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# CONFIG_INPUT_MOUSE is not set
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# CONFIG_SERIO is not set
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# CONFIG_CONSOLE_TRANSLATIONS is not set
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# CONFIG_LEGACY_PTYS is not set
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# CONFIG_HW_RANDOM is not set
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CONFIG_I2C=y
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CONFIG_I2C0_CONTROLLER_RK30=y
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CONFIG_I2C2_CONTROLLER_RK30=y
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# CONFIG_I2C3_RK30 is not set
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# CONFIG_ADC is not set
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CONFIG_EXPANDED_GPIO_NUM=0
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CONFIG_EXPANDED_GPIO_IRQ_NUM=0
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CONFIG_SPI_FPGA_GPIO_NUM=0
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CONFIG_SPI_FPGA_GPIO_IRQ_NUM=0
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# CONFIG_HWMON is not set
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# CONFIG_MFD_SUPPORT is not set
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# CONFIG_HID_SUPPORT is not set
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# CONFIG_USB_SUPPORT is not set
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CONFIG_RTC_CLASS=y
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# CONFIG_CMMB is not set
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# CONFIG_DNOTIFY is not set
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CONFIG_TMPFS=y
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# CONFIG_MISC_FILESYSTEMS is not set
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# CONFIG_NETWORK_FILESYSTEMS is not set
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CONFIG_PRINTK_TIME=y
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CONFIG_MAGIC_SYSRQ=y
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CONFIG_DEBUG_FS=y
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CONFIG_DEBUG_KERNEL=y
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CONFIG_DETECT_HUNG_TASK=y
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# CONFIG_SCHED_DEBUG is not set
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CONFIG_SCHEDSTATS=y
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CONFIG_TIMER_STATS=y
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CONFIG_SLUB_DEBUG_ON=y
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# CONFIG_DEBUG_PREEMPT is not set
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# CONFIG_FTRACE is not set
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288
arch/arm/mach-rk30/board-rk31-fpga.c
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288
arch/arm/mach-rk30/board-rk31-fpga.c
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@@ -0,0 +1,288 @@
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/*
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* Copyright (C) 2012 ROCKCHIP, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/input.h>
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#include <linux/io.h>
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#include <linux/delay.h>
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#include <linux/i2c.h>
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#include <linux/skbuff.h>
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#include <linux/spi/spi.h>
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#include <linux/mmc/host.h>
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#include <linux/ion.h>
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#include <linux/cpufreq.h>
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#include <linux/clk.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/flash.h>
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#include <asm/hardware/gic.h>
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#include <mach/board.h>
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#include <mach/hardware.h>
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#include <mach/io.h>
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#include <mach/gpio.h>
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#include <mach/iomux.h>
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#include <linux/fb.h>
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#include <linux/regulator/machine.h>
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#include <linux/rfkill-rk.h>
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#include <linux/sensor-dev.h>
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//i2c
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#ifdef CONFIG_I2C0_RK30
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static struct i2c_board_info __initdata i2c0_info[] = {
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};
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#endif
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#ifdef CONFIG_I2C1_RK30
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static struct i2c_board_info __initdata i2c1_info[] = {
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};
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#endif
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#ifdef CONFIG_I2C2_RK30
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static struct i2c_board_info __initdata i2c2_info[] = {
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};
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#endif
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#ifdef CONFIG_I2C3_RK30
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static struct i2c_board_info __initdata i2c3_info[] = {
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};
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#endif
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#ifdef CONFIG_I2C_GPIO_RK30
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static struct i2c_board_info __initdata i2c_gpio_info[] = {
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};
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#endif
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static void __init rk30_i2c_register_board_info(void)
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{
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#ifdef CONFIG_I2C0_RK30
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i2c_register_board_info(0, i2c0_info, ARRAY_SIZE(i2c0_info));
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#endif
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#ifdef CONFIG_I2C1_RK30
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i2c_register_board_info(1, i2c1_info, ARRAY_SIZE(i2c1_info));
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#endif
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#ifdef CONFIG_I2C2_RK30
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i2c_register_board_info(2, i2c2_info, ARRAY_SIZE(i2c2_info));
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#endif
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#ifdef CONFIG_I2C3_RK30
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i2c_register_board_info(3, i2c3_info, ARRAY_SIZE(i2c3_info));
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#endif
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#ifdef CONFIG_I2C_GPIO_RK30
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i2c_register_board_info(4, i2c_gpio_info, ARRAY_SIZE(i2c_gpio_info));
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#endif
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}
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//end of i2c
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static struct spi_board_info board_spi_devices[] = {
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};
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static struct platform_device *devices[] __initdata = {
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};
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static void __init rk31_board_init(void)
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{
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rk30_i2c_register_board_info();
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spi_register_board_info(board_spi_devices, ARRAY_SIZE(board_spi_devices));
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platform_add_devices(devices, ARRAY_SIZE(devices));
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}
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static void __init rk31_reserve(void)
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{
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board_mem_reserved();
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}
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#include <linux/clkdev.h>
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struct clk {
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const char *name;
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unsigned long rate;
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};
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static struct clk xin24m = {
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.name = "xin24m",
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.rate = 24000000,
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};
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#define CLK(dev, con, ck) \
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{ \
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.dev_id = dev, \
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.con_id = con, \
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.clk = ck, \
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}
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static struct clk_lookup clks[] = {
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CLK("rk30_i2c.0", "i2c", &xin24m),
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CLK("rk30_i2c.1", "i2c", &xin24m),
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CLK("rk30_i2c.2", "i2c", &xin24m),
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CLK("rk30_i2c.3", "i2c", &xin24m),
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CLK("rk30_i2c.4", "i2c", &xin24m),
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CLK("rk29xx_spim.0", "spi", &xin24m),
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CLK("rk29xx_spim.1", "spi", &xin24m),
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CLK("rk_serial.0", "uart_div", &xin24m),
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CLK("rk_serial.0", "uart_frac_div", &xin24m),
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CLK("rk_serial.0", "uart", &xin24m),
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CLK("rk_serial.0", "pclk_uart", &xin24m),
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CLK("rk_serial.1", "uart_div", &xin24m),
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CLK("rk_serial.1", "uart_frac_div", &xin24m),
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CLK("rk_serial.1", "uart", &xin24m),
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CLK("rk_serial.1", "pclk_uart", &xin24m),
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CLK("rk_serial.2", "uart_div", &xin24m),
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CLK("rk_serial.2", "uart_frac_div", &xin24m),
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CLK("rk_serial.2", "uart", &xin24m),
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CLK("rk_serial.2", "pclk_uart", &xin24m),
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CLK("rk29_i2s.0", "i2s_div", &xin24m),
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CLK("rk29_i2s.0", "i2s_frac_div", &xin24m),
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CLK("rk29_i2s.0", "i2s", &xin24m),
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CLK("rk29_i2s.0", "hclk_i2s", &xin24m),
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};
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static void __init rk30_clock_init(void)
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{
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struct clk_lookup *lk;
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for (lk = clks; lk < clks + ARRAY_SIZE(clks); lk++) {
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clkdev_add(lk);
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}
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}
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void __init board_clock_init(void)
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{
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rk30_clock_init();
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}
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int __init clk_disable_unused(void)
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{
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return 0;
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}
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int clk_enable(struct clk *clk)
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{
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return 0;
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}
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EXPORT_SYMBOL(clk_enable);
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void clk_disable(struct clk *clk)
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{
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}
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EXPORT_SYMBOL(clk_disable);
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unsigned long clk_get_rate(struct clk *clk)
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{
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return 24000000;
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}
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EXPORT_SYMBOL(clk_get_rate);
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int clk_set_rate(struct clk *clk, unsigned long rate)
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{
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return 0;
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}
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EXPORT_SYMBOL(clk_set_rate);
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int clk_set_parent(struct clk *clk, struct clk *parent)
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{
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return 0;
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}
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EXPORT_SYMBOL(clk_set_parent);
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#include <mach/gpio.h>
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#include <plat/key.h>
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#define EV_ENCALL KEY_F4
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#define EV_MENU KEY_F1
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#define PRESS_LEV_LOW 1
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#define PRESS_LEV_HIGH 0
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static struct rk29_keys_button key_button[] = {
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{
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.desc = "menu",
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.code = EV_MENU,
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.gpio = RK30_PIN3_PB2,
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.active_low = PRESS_LEV_LOW,
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},
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{
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.desc = "vol+",
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.code = KEY_VOLUMEUP,
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.gpio = RK30_PIN3_PB1,
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.active_low = PRESS_LEV_LOW,
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},
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{
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.desc = "vol-",
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.code = KEY_VOLUMEDOWN,
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.gpio = RK30_PIN3_PB0,
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.active_low = PRESS_LEV_LOW,
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},
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{
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.desc = "home",
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.code = KEY_HOME,
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.gpio = RK30_PIN3_PB3,
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.active_low = PRESS_LEV_LOW,
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},
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{
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.desc = "esc",
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.code = KEY_BACK,
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.gpio = RK30_PIN3_PB4,
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.active_low = PRESS_LEV_LOW,
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},
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{
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.desc = "key6",
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.code = KEY_CAMERA,
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.gpio = RK30_PIN3_PB5,
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.active_low = PRESS_LEV_LOW,
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},
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};
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struct rk29_keys_platform_data rk29_keys_pdata = {
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.buttons = key_button,
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.nbuttons = ARRAY_SIZE(key_button),
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.chn = -1, //chn: 0-7, if do not use ADC,set 'chn' -1
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};
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static void __init fpga_fixup(struct machine_desc *desc, struct tag *tags,
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char **cmdline, struct meminfo *mi)
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{
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mi->nr_banks = 1;
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mi->bank[0].start = PLAT_PHYS_OFFSET;
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mi->bank[0].size = SZ_128M;
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}
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#include <mach/system.h>
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static void fpga_reset(char mode, const char *cmd)
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{
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while (1);
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}
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static void __init fpga_map_io(void)
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{
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arch_reset = fpga_reset;
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rk30_map_common_io();
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rk29_setup_early_printk();
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rk29_sram_init();
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board_clock_init();
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rk30_iomux_init();
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}
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MACHINE_START(RK31, "RK31board")
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.boot_params = PLAT_PHYS_OFFSET + 0x800,
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.fixup = fpga_fixup,
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.reserve = &rk31_reserve,
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.map_io = fpga_map_io,
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.init_irq = rk30_init_irq,
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.timer = &rk30_timer,
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.init_machine = rk31_board_init,
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MACHINE_END
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