/**
* \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);
}
/**
* \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);
}
/**
* \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);
}