blob: 3473d98831ccbbdc4f8fd13eb7184a4c54ef1db6 [file] [log] [blame]
/*
* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <cci.h>
#include <debug.h>
#include "plat_ls.h"
#include "fsl_csu.h"
/* slave interfaces according to the RM */
static const int cci_map[] = {
4,
};
void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
u_register_t arg2, u_register_t arg3)
{
#ifdef LS_BL2_IN_OCRAM
unsigned long romem_base = (unsigned long)(&__TEXT_START__);
unsigned long romem_size = (unsigned long)(&__RODATA_END__)
- romem_base;
/* Check the Text and RO-Data region size */
if (romem_size > BL31_TEXT_RODATA_SIZE) {
ERROR("BL31 Text and RO-Data region size exceed reserved memory size\n");
panic();
}
#endif
/*
* Initialize system level generic timer for Layerscape Socs.
*/
ls_delay_timer_init();
ls_bl31_early_platform_setup((void *)arg0, (void *)arg3);
/*
* Initialize the correct interconnect for this cluster during cold
* boot. No need for locks as no other CPU is active.
*/
cci_init(PLAT_LS1043_CCI_BASE, cci_map, ARRAY_SIZE(cci_map));
/*
* Enable coherency in interconnect for the primary CPU's cluster.
* Earlier bootloader stages might already do this (e.g. Trusted
* Firmware's BL1 does it) but we can't assume so. There is no harm in
* executing this code twice anyway.
*/
cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
/* Init CSU to enable non-secure access to peripherals */
enable_layerscape_ns_access();
}