#include <asm/unistd.h>
#include <asm/ftrace.h>
#include <mach/entry-macro.S>
+#include <asm/unwind.h>
#include "entry-header.S"
* stack.
*/
ret_fast_syscall:
+ UNWIND(.fnstart )
+ UNWIND(.cantunwind )
disable_irq @ disable interrupts
ldr r1, [tsk, #TI_FLAGS]
tst r1, #_TIF_WORK_MASK
mov r0, r0
add sp, sp, #S_FRAME_SIZE - S_PC
movs pc, lr @ return & move spsr_svc into cpsr
+ UNWIND(.fnend )
/*
* Ok, we need to do extra processing, enter the slow path.
.globl mcount_call
mcount_call:
bl ftrace_stub
+ ldr lr, [fp, #-4] @ restore lr
ldmia sp!, {r0-r3, pc}
ENTRY(ftrace_caller)
.globl ftrace_call
ftrace_call:
bl ftrace_stub
+ ldr lr, [fp, #-4] @ restore lr
ldmia sp!, {r0-r3, pc}
#else
adr r0, ftrace_stub
cmp r0, r2
bne trace
+ ldr lr, [fp, #-4] @ restore lr
ldmia sp!, {r0-r3, pc}
trace:
sub r0, r0, #MCOUNT_INSN_SIZE
mov lr, pc
mov pc, r2
+ mov lr, r1 @ restore lr
ldmia sp!, {r0-r3, pc}
#endif /* CONFIG_DYNAMIC_FTRACE */
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
+#include <linux/i2c.h>
+#include <linux/i2c/pcf857x.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
+ #include <mach/irqs.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/imx-uart.h>
-#include <mach/iomux-mx1-mx2.h>
+#include <mach/irqs.h>
+#ifdef CONFIG_I2C_IMX
+#include <mach/i2c.h>
+#endif
+#include <mach/iomux.h>
#include "devices.h"
/*
.num_resources = 1,
};
+/*
+ * I2C
+ */
+
+#ifdef CONFIG_I2C_IMX
+static int i2c_pins[] = {
+ PA15_PF_I2C_SDA,
+ PA16_PF_I2C_SCL,
+};
+
+static int i2c_init(struct device *dev)
+{
+ return mxc_gpio_setup_multiple_pins(i2c_pins,
+ ARRAY_SIZE(i2c_pins), "I2C");
+}
+
+static void i2c_exit(struct device *dev)
+{
+ mxc_gpio_release_multiple_pins(i2c_pins,
+ ARRAY_SIZE(i2c_pins));
+}
+
+static struct pcf857x_platform_data pcf857x_data[] = {
+ {
+ .gpio_base = 4 * 32,
+ }, {
+ .gpio_base = 4 * 32 + 16,
+ }
+};
+
+static struct imxi2c_platform_data mx1ads_i2c_data = {
+ .bitrate = 100000,
+ .init = i2c_init,
+ .exit = i2c_exit,
+};
+
+static struct i2c_board_info mx1ads_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("pcf857x", 0x22),
+ .type = "pcf8575",
+ .platform_data = &pcf857x_data[0],
+ }, {
+ I2C_BOARD_INFO("pcf857x", 0x24),
+ .type = "pcf8575",
+ .platform_data = &pcf857x_data[1],
+ },
+};
+#endif
+
/*
* Board init
*/
/* Physmap flash */
mxc_register_device(&flash_device, &mx1ads_flash_data);
+
+ /* I2C */
+#ifdef CONFIG_I2C_IMX
+ i2c_register_board_info(0, mx1ads_i2c_devices,
+ ARRAY_SIZE(mx1ads_i2c_devices));
+
+ mxc_register_device(&imx_i2c_device, &mx1ads_i2c_data);
+#endif
}
static void __init mx1ads_timer_init(void)
{
- mxc_clocks_init(32000);
- mxc_timer_init("gpt_clk");
+ mx1_clocks_init(32000);
}
struct sys_timer mx1ads_timer = {
#ifdef CONFIG_I2C2_OMAP_BEAGLE
omap_register_i2c_bus(2, 400, NULL, 0);
#endif
- omap_register_i2c_bus(3, 400, NULL, 0);
+ /* Bus 3 is attached to the DVI port where devices like the pico DLP
+ * projector don't work reliably with 400kHz */
+ omap_register_i2c_bus(3, 100, NULL, 0);
return 0;
}
static void __init omap3_beagle_init_irq(void)
{
- omap2_init_common_hw();
+ omap2_init_common_hw(NULL);
omap_init_irq();
omap_gpio_init();
}
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
- /*
- * Rounds down to nearest nsec.
- */
- unsigned long long omap_32k_ticks_to_nsecs(unsigned long ticks_32k)
- {
- return cyc2ns(&clocksource_32k, ticks_32k);
- }
-
/*
* Returns current time from boot in nsecs. It's OK for this to wrap
* around for now, as it's just a relative time stamp.
*/
unsigned long long sched_clock(void)
{
- return omap_32k_ticks_to_nsecs(omap_32k_read());
+ unsigned long long ret;
+
+ ret = (unsigned long long)omap_32k_read();
+ ret = (ret * clocksource_32k.mult_orig) >> clocksource_32k.shift;
+ return ret;
}
static int __init omap_init_clocksource_32k(void)
static void __init __omap2_set_globals(void)
{
omap2_set_globals_tap(omap2_globals);
- omap2_set_globals_memory(omap2_globals);
+ omap2_set_globals_sdrc(omap2_globals);
omap2_set_globals_control(omap2_globals);
omap2_set_globals_prcm(omap2_globals);
}
extern struct sys_timer omap_timer;
extern void omap_serial_init(void);
extern void omap_serial_enable_clocks(int enable);
- #ifdef CONFIG_I2C_OMAP
+ #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
struct i2c_board_info const *info,
unsigned len);
/* These get called from omap2_set_globals_xxxx(), do not call these */
void omap2_set_globals_tap(struct omap_globals *);
-void omap2_set_globals_memory(struct omap_globals *);
+void omap2_set_globals_sdrc(struct omap_globals *);
void omap2_set_globals_control(struct omap_globals *);
void omap2_set_globals_prcm(struct omap_globals *);
!defined(CONFIG_ARCH_OMAP15XX) && \
!defined(CONFIG_ARCH_OMAP16XX) && \
!defined(CONFIG_ARCH_OMAP24XX)
- #error "Power management for this processor not implemented yet"
+ #warning "Power management for this processor not implemented yet"
#endif
#ifndef __ASSEMBLER__
extern void prevent_idle_sleep(void);
extern void allow_idle_sleep(void);
-/**
- * clk_deny_idle - Prevents the clock from being idled during MPU idle
- * @clk: clock signal handle
- */
-void clk_deny_idle(struct clk *clk);
-
-/**
- * clk_allow_idle - Counters previous clk_deny_idle
- * @clk: clock signal handle
- */
-void clk_allow_idle(struct clk *clk);
-
extern void omap_pm_idle(void);
extern void omap_pm_suspend(void);
extern void omap730_cpu_suspend(unsigned short, unsigned short);
projects / linux-2.6-omap-h63xx.git / commitdiff