RTEMS  5.0.0
Modules | Files | Macros | Functions

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. More...
 
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.