/**
* \brief Enable a module clock derived from the PBB clock
* \param module_index Index of the module clock in the PBBMASK register
*/
void sysclk_enable_pbb_module(uint32_t module_index)
{
irqflags_t flags;
/* Enable the bridge if necessary */
flags = cpu_irq_save();
if (PM->PM_PBBMASK == 0) {
sysclk_enable_hsb_module(SYSCLK_PBB_BRIDGE);
}
cpu_irq_restore(flags);
/* Enable the module */
sysclk_priv_enable_module(PM_CLK_GRP_PBB, module_index);
}
/**
* \brief Enable a module clock derived from the PBB clock
* \param index Index of the module clock in the PBBMASK register
*/
void sysclk_enable_pbb_module(unsigned int index)
{
irqflags_t flags;
/* Enable the bridge if necessary */
flags = cpu_irq_save();
if (!sysclk_pbb_refcount)
sysclk_enable_hsb_module(SYSCLK_PBB_BRIDGE);
sysclk_pbb_refcount++;
cpu_irq_restore(flags);
/* Enable the module */
sysclk_priv_enable_module(AVR32_PM_CLK_GRP_PBB, index);
}
/**
* \brief Enable a module clock derived from the PBB clock
* \param index Index of the module clock in the PBBMASK register
*/
void sysclk_enable_pbb_module(unsigned int index)
{
unsigned int pbus_id = 0;
irqflags_t flags;
/* The AES module is on PBC, others are on PBB */
if (index == SYSCLK_AES)
pbus_id = 1;
/* Enable the bridge if necessary */
flags = cpu_irq_save();
if (!sysclk_bus_refcount[pbus_id])
sysclk_enable_hsb_module(2 + (4 * pbus_id));
sysclk_bus_refcount[pbus_id]++;
cpu_irq_restore(flags);
/* Enable the module */
sysclk_priv_enable_module(AVR32_PM_CLK_GRP_PBB, index);
}
