Exemplo n.º 1
0
Arquivo: sysclk.c Projeto: marekr/asf
/**
 * \brief Disable a module clock derived from the PBB clock
 * \param module_index Index of the module clock in the PBBMASK register
 */
void sysclk_disable_pbb_module(uint32_t module_index)
{
	irqflags_t flags;

	/* Disable the module */
	sysclk_priv_disable_module(PM_CLK_GRP_PBB, module_index);

	/* Disable the bridge if possible */
	flags = cpu_irq_save();

	if (PM->PM_PBBMASK == 0) {
		sysclk_disable_hsb_module(SYSCLK_PBB_BRIDGE);
	}

	cpu_irq_restore(flags);
}
Exemplo n.º 2
0
/**
 * \brief Disable a module clock derived from the PBB clock
 * \param index Index of the module clock in the PBBMASK register
 */
void sysclk_disable_pbb_module(unsigned int index)
{
	irqflags_t flags;

	/* Disable the module */
	sysclk_priv_disable_module(AVR32_PM_CLK_GRP_PBB, index);

	/* Disable the bridge if possible */
	flags = cpu_irq_save();

	sysclk_pbb_refcount--;
	if (!sysclk_pbb_refcount)
		sysclk_disable_hsb_module(SYSCLK_PBB_BRIDGE);

	cpu_irq_restore(flags);
}
Exemplo n.º 3
0
/**
 * \brief Disable a module clock derived from the PBB clock
 * \param index Index of the module clock in the PBBMASK register
 */
void sysclk_disable_pbb_module(unsigned int index)
{
	unsigned int pbus_id = 0;
	irqflags_t   flags;

	/* Disable the module */
	sysclk_priv_disable_module(AVR32_PM_CLK_GRP_PBB, index);

	/* The AES module is on PBC, others are on PBB */
	if (index == SYSCLK_AES)
		pbus_id = 1;

	/* Disable the bridge if possible */
	flags = cpu_irq_save();

	sysclk_bus_refcount[pbus_id]--;
	if (!sysclk_bus_refcount[pbus_id])
		sysclk_disable_hsb_module(2 + (4 * pbus_id));

	cpu_irq_restore(flags);
}