SMDK2410

SMDK2410 Board Support Package. More...

Modules
	SMC Disk Driver
	SMC Disk Driver Support.

Files
file	bsp.h
	Global BSP definitons.

Macros
#define	BSP_FEATURE_IRQ_EXTENSION
#define	BSP_OSC_FREQ   12000000
	12 MHz oscillator
#define	M_MDIV   81
	FCLK=133Mhz.
#define	M_PDIV   2
#define	M_SDIV   1
#define	M_CLKDIVN   2
	HCLK=FCLK/2, PCLK=FCLK/2.
#define	REFEN   0x1
	enable refresh
#define	TREFMD   0x0
	CBR(CAS before RAS)/auto refresh.
#define	Trp   0x0
	2 clk
#define	Trc   0x3
	7 clk
#define	Tchr   0x2
	3 clk

Functions
void *	bsp_idle_thread (uintptr_t ignored)
	This BSP provides its own IDLE thread to override the RTEMS one.
uint32_t	get_FCLK (void)
	functions to get the differents s3c2400 clks
uint32_t	get_HCLK (void)
uint32_t	get_PCLK (void)
uint32_t	get_UCLK (void)

Detailed Description

SMDK2410 Board Support Package.

Function Documentation

bsp_idle_thread()

void * bsp_idle_thread

(

uintptr_t

ignored

)

This BSP provides its own IDLE thread to override the RTEMS one.

So we prototype it and define the constant confdefs.h expects to configure a BSP specific one.

This BSP provides its own IDLE thread to override the RTEMS one.

This idle task sets the power mode to idle. This causes the processor clock to be stopped, while on-chip peripherals remain active. Any enabled interrupt from a peripheral or an external interrupt source will cause the processor to resume execution.

To enable the idle task use the following in the system configuration:

#include <bsp.h>
 
#define CONFIGURE_INIT
 
#define CONFIGURE_IDLE_TASK_BODY bsp_idle_thread
 
#include <confdefs.h>

This BSP provides its own IDLE thread to override the RTEMS one.

Optimized idle task.

The MSR[POW] bit is set to put the CPU into the low power mode defined in HID0. HID0 is set during starup in start.S.

This BSP provides its own IDLE thread to override the RTEMS one.

This idle task sets the power mode to idle. This causes the processor clock to be stopped, while on-chip peripherals remain active. Any enabled interrupt from a peripheral or an external interrupt source will cause the processor to resume execution.

To enable the idle task use the following in the system configuration:

#include <bsp.h>
 
#define CONFIGURE_INIT
 
#define CONFIGURE_IDLE_TASK_BODY bsp_idle_thread
 
#include <confdefs.h>

Optimized idle task.

The MSR[POW] bit is set to put the CPU into the low power mode defined in HID0. HID0 is set during starup in start.S.