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//-----------------------------------------------------------------------------
// *! (C) Copyright International Business Machines Corp. 2014
// *! All Rights Reserved -- Property of IBM
// *! *** IBM Confidential ***
//-----------------------------------------------------------------------------
/// \file std_init.c
/// \brief PK initialization for a standard PPE.
///
/// The entry points in this routine are used during initialization. This
/// code space can be deallocated and reassigned after application
/// initialization if required.
#include "pk.h"
/// Standard PPE environment initial setup.
///
/// This is setup common to all standard PPE Macro applications. This setup takes place
/// during boot, before main() is called.
void
__hwmacro_setup(void)
{
//mask all interrupts
out64(STD_LCL_EIMR_OR, 0xffffffffffffffffull);
//Set all interrupts to active low, level sensitive by default
out64(STD_LCL_EIPR_CLR, 0xffffffffffffffffull);
out64(STD_LCL_EITR_CLR, 0xffffffffffffffffull);
//set up the configured type
out64(STD_LCL_EITR_OR, g_ext_irqs_type);
//set up the configured polarity
out64(STD_LCL_EIPR_OR, g_ext_irqs_polarity);
//clear the status of all active-high interrupts (has no affect on
//level sensitive interrupts)
out64(STD_LCL_EISR_CLR, g_ext_irqs_polarity);
//clear the status of all active-low interrupts (has no affect on
//level sensitive interrupts)
out64(STD_LCL_EISR_OR, ~g_ext_irqs_polarity);
//unmask the interrupts that are to be enabled by default
out64(STD_LCL_EIMR_CLR, g_ext_irqs_enable);
//wait for the last operation to complete
sync();
}
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