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juno: Initialise architected timer in BL3-1

This commit is contained in:
Jon Medhurst 2014-03-10 15:23:09 +00:00 committed by Sandrine Bailleux
parent b86295169e
commit 305680329c
1 changed files with 12 additions and 0 deletions
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12
plat/juno/bl31_plat_setup.c
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@ -29,6 +29,8 @@
*/
#include <platform.h>
#include <assert.h>
#include <arch_helpers.h>
/*******************************************************************************
* Declarations of linker defined symbols which will help us find the layout
@ -120,9 +122,19 @@ void bl31_early_platform_setup(bl31_args *from_bl2,
******************************************************************************/
void bl31_platform_setup()
{
unsigned int counter_base_frequency;
/* Initialize the gic cpu and distributor interfaces */
gic_setup();
/* Read the frequency from Frequency modes table */
counter_base_frequency = mmio_read_32(SYS_CNTCTL_BASE + CNTFID_OFF);
/* The first entry of the frequency modes table must not be 0 */
assert(counter_base_frequency != 0);
/* Program the counter frequency */
write_cntfrq_el0(counter_base_frequency);
/* Topologies are best known to the platform. */
plat_setup_topology();
}