rk31: add fpga board support

diff --git a/arch/arm/configs/rk31_fpga_defconfig b/arch/arm/configs/rk31_fpga_defconfig
new file mode 100644 (file)
index 0000000..c58c4ba
--- /dev/null
+++ b/arch/arm/configs/rk31_fpga_defconfig
@@ -0,0 +1,96 @@
+CONFIG_EXPERIMENTAL=y
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_KERNEL_LZO=y
+CONFIG_LOG_BUF_SHIFT=19
+CONFIG_CGROUPS=y
+CONFIG_CGROUP_DEBUG=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_RESOURCE_COUNTERS=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_RT_GROUP_SCHED=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE="root"
+CONFIG_INITRAMFS_COMPRESSION_GZIP=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_PANIC_TIMEOUT=1
+# CONFIG_SYSCTL_SYSCALL is not set
+# CONFIG_ELF_CORE is not set
+CONFIG_ASHMEM=y
+# CONFIG_AIO is not set
+CONFIG_EMBEDDED=y
+CONFIG_MODULES=y
+CONFIG_MODULE_FORCE_LOAD=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_ARCH_RK31=y
+# CONFIG_DDR_TEST is not set
+# CONFIG_RK29_LAST_LOG is not set
+CONFIG_RK_DEBUG_UART=1
+# CONFIG_CACHE_L2X0 is not set
+CONFIG_FIQ_DEBUGGER=y
+CONFIG_FIQ_DEBUGGER_NO_SLEEP=y
+CONFIG_FIQ_DEBUGGER_CONSOLE=y
+CONFIG_FIQ_DEBUGGER_CONSOLE_DEFAULT_ENABLE=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_PREEMPT=y
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+CONFIG_HIGHMEM=y
+CONFIG_COMPACTION=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=32768
+CONFIG_CMDLINE="console=ttyFIQ0 androidboot.console=ttyFIQ0 init=/init debug"
+CONFIG_VFP=y
+CONFIG_WAKELOCK=y
+CONFIG_PM_RUNTIME=y
+CONFIG_SUSPEND_TIME=y
+CONFIG_NET=y
+CONFIG_UNIX=y
+# CONFIG_NET_ACTIVITY_STATS is not set
+# CONFIG_WIRELESS is not set
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+# CONFIG_FIRMWARE_IN_KERNEL is not set
+CONFIG_MTD=y
+CONFIG_MISC_DEVICES=y
+# CONFIG_ANDROID_PMEM is not set
+CONFIG_INPUT_POLLDEV=y
+# CONFIG_INPUT_MOUSEDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_SERIO is not set
+# CONFIG_CONSOLE_TRANSLATIONS is not set
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_HW_RANDOM is not set
+CONFIG_I2C=y
+CONFIG_I2C0_CONTROLLER_RK30=y
+CONFIG_I2C2_CONTROLLER_RK30=y
+# CONFIG_I2C3_RK30 is not set
+# CONFIG_ADC is not set
+CONFIG_EXPANDED_GPIO_NUM=0
+CONFIG_EXPANDED_GPIO_IRQ_NUM=0
+CONFIG_SPI_FPGA_GPIO_NUM=0
+CONFIG_SPI_FPGA_GPIO_IRQ_NUM=0
+# CONFIG_HWMON is not set
+# CONFIG_MFD_SUPPORT is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+CONFIG_RTC_CLASS=y
+# CONFIG_CMMB is not set
+# CONFIG_DNOTIFY is not set
+CONFIG_TMPFS=y
+# CONFIG_MISC_FILESYSTEMS is not set
+# CONFIG_NETWORK_FILESYSTEMS is not set
+CONFIG_PRINTK_TIME=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_FS=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_SCHED_DEBUG is not set
+CONFIG_SCHEDSTATS=y
+CONFIG_TIMER_STATS=y
+CONFIG_SLUB_DEBUG_ON=y
+# CONFIG_DEBUG_PREEMPT is not set
+# CONFIG_FTRACE is not set

diff --git a/arch/arm/mach-rk30/board-rk31-fpga.c b/arch/arm/mach-rk30/board-rk31-fpga.c
new file mode 100644 (file)
index 0000000..4495e7c
--- /dev/null
+++ b/arch/arm/mach-rk30/board-rk31-fpga.c
@@ -0,0 +1,288 @@
+/*
+ * Copyright (C) 2012 ROCKCHIP, Inc.
+ *
+ * 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 <linux/i2c.h>
+#include <linux/skbuff.h>
+#include <linux/spi/spi.h>
+#include <linux/mmc/host.h>
+#include <linux/ion.h>
+#include <linux/cpufreq.h>
+#include <linux/clk.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+#include <asm/hardware/gic.h>
+
+#include <mach/board.h>
+#include <mach/hardware.h>
+#include <mach/io.h>
+#include <mach/gpio.h>
+#include <mach/iomux.h>
+#include <linux/fb.h>
+#include <linux/regulator/machine.h>
+#include <linux/rfkill-rk.h>
+#include <linux/sensor-dev.h>
+
+//i2c
+#ifdef CONFIG_I2C0_RK30
+static struct i2c_board_info __initdata i2c0_info[] = {
+};
+#endif
+#ifdef CONFIG_I2C1_RK30
+static struct i2c_board_info __initdata i2c1_info[] = {
+};
+#endif
+#ifdef CONFIG_I2C2_RK30
+static struct i2c_board_info __initdata i2c2_info[] = {
+};
+#endif
+#ifdef CONFIG_I2C3_RK30
+static struct i2c_board_info __initdata i2c3_info[] = {
+};
+#endif
+
+#ifdef CONFIG_I2C_GPIO_RK30
+static struct i2c_board_info __initdata i2c_gpio_info[] = {
+};
+#endif
+
+static void __init rk30_i2c_register_board_info(void)
+{
+#ifdef CONFIG_I2C0_RK30
+       i2c_register_board_info(0, i2c0_info, ARRAY_SIZE(i2c0_info));
+#endif
+#ifdef CONFIG_I2C1_RK30
+       i2c_register_board_info(1, i2c1_info, ARRAY_SIZE(i2c1_info));
+#endif
+#ifdef CONFIG_I2C2_RK30
+       i2c_register_board_info(2, i2c2_info, ARRAY_SIZE(i2c2_info));
+#endif
+#ifdef CONFIG_I2C3_RK30
+       i2c_register_board_info(3, i2c3_info, ARRAY_SIZE(i2c3_info));
+#endif
+#ifdef CONFIG_I2C_GPIO_RK30
+       i2c_register_board_info(4, i2c_gpio_info, ARRAY_SIZE(i2c_gpio_info));
+#endif
+}
+//end of i2c
+
+static struct spi_board_info board_spi_devices[] = {
+};
+
+static struct platform_device *devices[] __initdata = {
+};
+
+static void __init rk31_board_init(void)
+{
+        rk30_i2c_register_board_info();
+        spi_register_board_info(board_spi_devices, ARRAY_SIZE(board_spi_devices));
+        platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+static void __init rk31_reserve(void)
+{
+       board_mem_reserved();
+}
+
+#include <linux/clkdev.h>
+
+struct clk {
+       const char              *name;
+       unsigned long           rate;
+};
+
+static struct clk xin24m = {
+       .name           = "xin24m",
+       .rate           = 24000000,
+};
+
+#define CLK(dev, con, ck) \
+       { \
+               .dev_id = dev, \
+               .con_id = con, \
+               .clk = ck, \
+       }
+
+static struct clk_lookup clks[] = {
+       CLK("rk30_i2c.0", "i2c", &xin24m),
+       CLK("rk30_i2c.1", "i2c", &xin24m),
+       CLK("rk30_i2c.2", "i2c", &xin24m),
+       CLK("rk30_i2c.3", "i2c", &xin24m),
+       CLK("rk30_i2c.4", "i2c", &xin24m),
+       CLK("rk29xx_spim.0", "spi", &xin24m),
+       CLK("rk29xx_spim.1", "spi", &xin24m),
+
+        CLK("rk_serial.0", "uart_div", &xin24m),
+       CLK("rk_serial.0", "uart_frac_div", &xin24m),
+       CLK("rk_serial.0", "uart", &xin24m),
+       CLK("rk_serial.0", "pclk_uart", &xin24m),
+       CLK("rk_serial.1", "uart_div", &xin24m),
+       CLK("rk_serial.1", "uart_frac_div", &xin24m),
+       CLK("rk_serial.1", "uart", &xin24m),
+       CLK("rk_serial.1", "pclk_uart", &xin24m),
+       CLK("rk_serial.2", "uart_div", &xin24m),
+       CLK("rk_serial.2", "uart_frac_div", &xin24m),
+       CLK("rk_serial.2", "uart", &xin24m),
+       CLK("rk_serial.2", "pclk_uart", &xin24m),
+
+        CLK("rk29_i2s.0", "i2s_div", &xin24m),
+       CLK("rk29_i2s.0", "i2s_frac_div", &xin24m),
+       CLK("rk29_i2s.0", "i2s", &xin24m),
+       CLK("rk29_i2s.0", "hclk_i2s", &xin24m),
+};
+
+static void __init rk30_clock_init(void)
+{
+       struct clk_lookup *lk;
+
+       for (lk = clks; lk < clks + ARRAY_SIZE(clks); lk++) {
+               clkdev_add(lk);
+       }
+}
+
+void __init board_clock_init(void)
+{
+       rk30_clock_init();   
+}
+
+int __init clk_disable_unused(void)
+{
+       return 0;
+}
+
+int clk_enable(struct clk *clk)
+{
+       return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+       return 24000000;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+       return 0;
+}
+EXPORT_SYMBOL(clk_set_rate);
+
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+       return 0;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
+#include <mach/gpio.h>
+#include <plat/key.h>
+
+#define EV_ENCALL                              KEY_F4
+#define EV_MENU                                        KEY_F1
+
+#define PRESS_LEV_LOW                  1
+#define PRESS_LEV_HIGH                 0
+
+static struct rk29_keys_button key_button[] = {
+       {
+               .desc   = "menu",
+               .code   = EV_MENU,
+               .gpio   = RK30_PIN3_PB2,
+               .active_low = PRESS_LEV_LOW,
+       },
+       {
+               .desc   = "vol+",
+               .code   = KEY_VOLUMEUP,
+               .gpio   = RK30_PIN3_PB1,
+               .active_low = PRESS_LEV_LOW,
+       },
+       {
+               .desc   = "vol-",
+               .code   = KEY_VOLUMEDOWN,
+               .gpio   = RK30_PIN3_PB0,
+               .active_low = PRESS_LEV_LOW,
+       },
+       {
+               .desc   = "home",
+               .code   = KEY_HOME,
+               .gpio   = RK30_PIN3_PB3,
+               .active_low = PRESS_LEV_LOW,
+       },
+       {
+               .desc   = "esc",
+               .code   = KEY_BACK,
+               .gpio   = RK30_PIN3_PB4,
+               .active_low = PRESS_LEV_LOW,
+       },
+       {
+               .desc   = "key6",
+               .code   = KEY_CAMERA,
+               .gpio   = RK30_PIN3_PB5,
+               .active_low = PRESS_LEV_LOW,
+       },
+};
+
+struct rk29_keys_platform_data rk29_keys_pdata = {
+       .buttons        = key_button,
+       .nbuttons       = ARRAY_SIZE(key_button),
+       .chn    = -1,  //chn: 0-7, if do not use ADC,set 'chn' -1
+};
+
+static void __init fpga_fixup(struct machine_desc *desc, struct tag *tags,
+                       char **cmdline, struct meminfo *mi)
+{
+       mi->nr_banks = 1;
+       mi->bank[0].start = PLAT_PHYS_OFFSET;
+       mi->bank[0].size = SZ_128M;
+}
+
+#include <mach/system.h>
+static void fpga_reset(char mode, const char *cmd)
+{
+       while (1);
+}
+
+static void __init fpga_map_io(void)
+{
+       arch_reset = fpga_reset;
+       rk30_map_common_io();
+       rk29_setup_early_printk();
+       rk29_sram_init();
+       board_clock_init();
+       rk30_iomux_init();
+}
+
+MACHINE_START(RK31, "RK31board")
+       .boot_params    = PLAT_PHYS_OFFSET + 0x800,
+       .fixup          = fpga_fixup,
+       .reserve        = &rk31_reserve,
+       .map_io         = fpga_map_io,
+       .init_irq       = rk30_init_irq,
+       .timer          = &rk30_timer,
+       .init_machine   = rk31_board_init,
+MACHINE_END