Beaglebone

Beaglebone Board Support Package. More...

Files
file	bsps/arm/beagle/include/bsp.h
	Global BSP definitions.

Data Structures
struct	beagle_i2c

Macros
#define	BSP_FEATURE_IRQ_EXTENSION
#define	UART_CLOCK   48000000
#define	mmio_read(a)
#define	mmio_write(a, v)
#define	mmio_set(a, v)
#define	mmio_clear(a, v)
#define	REG16(x)
#define	REG(x)
#define	BIT(x)
#define	BITS(Start, End)
#define	udelay(u)
#define	__arch_getb(a)
#define	__arch_getw(a)
#define	__arch_getl(a)
#define	__arch_putb(v, a)
#define	__arch_putw(v, a)
#define	__arch_putl(v, a)
#define	writeb(v, c)
#define	writew(v, c)
#define	writel(v, c)
#define	readb(c)
#define	readw(c)
#define	readl(c)
#define	SYSTEM_CLOCK_12   12000000
#define	SYSTEM_CLOCK_13   13000000
#define	SYSTEM_CLOCK_192   19200000
#define	SYSTEM_CLOCK_96   96000000

Functions
int	beagle_get_node_unit (phandle_t node)
BSP_START_TEXT_SECTION void	beagle_setup_mmu_and_cache (void)
	Beagleboard specific set up of the MMU.

Variables
uint32_t	beagle_i2c::rx_or_tx
uint32_t	beagle_i2c::stat
uint32_t	beagle_i2c::ctrl
uint32_t	beagle_i2c::clk_hi
uint32_t	beagle_i2c::clk_lo
uint32_t	beagle_i2c::adr
uint32_t	beagle_i2c::rxfl
uint32_t	beagle_i2c::txfl
uint32_t	beagle_i2c::rxb
uint32_t	beagle_i2c::txb
uint32_t	beagle_i2c::s_tx
uint32_t	beagle_i2c::s_txfl

Detailed Description

Beaglebone Board Support Package.

Macro Definition Documentation

__arch_getb

#define __arch_getb

(

a

)

Value:

(*(volatile unsigned char *)(a))

__arch_getl

#define __arch_getl

(

a

)

Value:

(*(volatile unsigned int *)(a))

__arch_getw

#define __arch_getw

(

a

)

Value:

(*(volatile unsigned short *)(a))

__arch_putb

#define __arch_putb	(		v,
			a )

Value:

(*(volatile unsigned char *)(a) = (v))

__arch_putl

#define __arch_putl	(		v,
			a )

Value:

(*(volatile unsigned int *)(a) = (v))

__arch_putw

#define __arch_putw	(		v,
			a )

Value:

(*(volatile unsigned short *)(a) = (v))

BIT

#define BIT

(

x

)

Value:

(0x1 << (x))

BITS

#define BITS	(		Start,
			End )

Value:

(((1 << (End+1)) - 1) & ~((1 << (Start)) - 1))

mmio_clear

#define mmio_clear	(		a,
			v )

Value:

mmio_write((a), mmio_read((a)) & ~(v))

mmio_read

#define mmio_read

(

a

)

Value:

(*(volatile uint32_t *)(a))

mmio_set

#define mmio_set	(		a,
			v )

Value:

mmio_write((a), mmio_read((a)) | (v))

mmio_write

#define mmio_write	(		a,
			v )

Value:

(*(volatile uint32_t *)(a) = (v))

readb

#define readb

(

c

)

Value:

({ unsigned char  __v = __arch_getb(c); __v; })

readl

#define readl

(

c

)

Value:

({ unsigned int __v = __arch_getl(c); __v; })

readw

#define readw

(

c

)

Value:

({ unsigned short __v = __arch_getw(c); __v; })

REG

#define REG

(

x

)

Value:

(*((volatile uint32_t *)(x)))

REG16

#define REG16

(

x

)

Value:

(*((volatile uint16_t *)(x)))

udelay

#define udelay

(

u

)

Value:

rtems_task_wake_after(1 + ((u)/rtems_configuration_get_microseconds_per_tick()))

writeb

#define writeb	(		v,
			c )

Value:

({ unsigned char  __v = v; __arch_putb(__v,c); __v; })

writel

#define writel	(		v,
			c )

Value:

({ unsigned int __v = v; __arch_putl(__v,c); __v; })

writew

#define writew	(		v,
			c )

Value:

({ unsigned short __v = v; __arch_putw(__v,c); __v; })

Function Documentation

beagle_setup_mmu_and_cache()

BSP_START_TEXT_SECTION void beagle_setup_mmu_and_cache

(

void

)

Beagleboard specific set up of the MMU.

Provide in the application to override.