blob: c592fc78555c93beb43014f1a35a9232a9bc9ec0 [file] [log] [blame]
/*
* Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch_helpers.h>
#include <arm_gic.h>
#include <assert.h>
#include <bl_common.h>
#include <cci.h>
#include <console.h>
#include <debug.h>
#include <errno.h>
#include <gicv2.h>
#include <hi6220.h>
#include <hisi_ipc.h>
#include <hisi_pwrc.h>
#include <platform_def.h>
#include "hikey_def.h"
#include "hikey_private.h"
/*
* The next 2 constants identify the extents of the code & RO data region.
* These addresses are used by the MMU setup code and therefore they must be
* page-aligned. It is the responsibility of the linker script to ensure that
* __RO_START__ and __RO_END__ linker symbols refer to page-aligned addresses.
*/
#define BL31_RO_BASE (unsigned long)(&__RO_START__)
#define BL31_RO_LIMIT (unsigned long)(&__RO_END__)
/*
* The next 2 constants identify the extents of the coherent memory region.
* These addresses are used by the MMU setup code and therefore they must be
* page-aligned. It is the responsibility of the linker script to ensure that
* __COHERENT_RAM_START__ and __COHERENT_RAM_END__ linker symbols refer to
* page-aligned addresses.
*/
#define BL31_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__)
#define BL31_COHERENT_RAM_LIMIT (unsigned long)(&__COHERENT_RAM_END__)
static entry_point_info_t bl32_ep_info;
static entry_point_info_t bl33_ep_info;
/******************************************************************************
* On a GICv2 system, the Group 1 secure interrupts are treated as Group 0
* interrupts.
*****************************************************************************/
const unsigned int g0_interrupt_array[] = {
IRQ_SEC_PHY_TIMER,
IRQ_SEC_SGI_0
};
/*
* Ideally `arm_gic_data` structure definition should be a `const` but it is
* kept as modifiable for overwriting with different GICD and GICC base when
* running on FVP with VE memory map.
*/
gicv2_driver_data_t hikey_gic_data = {
.gicd_base = PLAT_ARM_GICD_BASE,
.gicc_base = PLAT_ARM_GICC_BASE,
.g0_interrupt_num = ARRAY_SIZE(g0_interrupt_array),
.g0_interrupt_array = g0_interrupt_array,
};
static const int cci_map[] = {
CCI400_SL_IFACE3_CLUSTER_IX,
CCI400_SL_IFACE4_CLUSTER_IX
};
entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
{
entry_point_info_t *next_image_info;
next_image_info = (type == NON_SECURE) ? &bl33_ep_info : &bl32_ep_info;
/* None of the images on this platform can have 0x0 as the entrypoint */
if (next_image_info->pc)
return next_image_info;
return NULL;
}
#if LOAD_IMAGE_V2
void bl31_early_platform_setup(void *from_bl2,
void *plat_params_from_bl2)
#else
void bl31_early_platform_setup(bl31_params_t *from_bl2,
void *plat_params_from_bl2)
#endif
{
/* Initialize the console to provide early debug support */
console_init(CONSOLE_BASE, PL011_UART_CLK_IN_HZ, PL011_BAUDRATE);
/* Initialize CCI driver */
cci_init(CCI400_BASE, cci_map, ARRAY_SIZE(cci_map));
cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
#if LOAD_IMAGE_V2
/*
* Check params passed from BL2 should not be NULL,
*/
bl_params_t *params_from_bl2 = (bl_params_t *)from_bl2;
assert(params_from_bl2 != NULL);
assert(params_from_bl2->h.type == PARAM_BL_PARAMS);
assert(params_from_bl2->h.version >= VERSION_2);
bl_params_node_t *bl_params = params_from_bl2->head;
/*
* Copy BL33 and BL32 (if present), entry point information.
* They are stored in Secure RAM, in BL2's address space.
*/
while (bl_params) {
if (bl_params->image_id == BL32_IMAGE_ID)
bl32_ep_info = *bl_params->ep_info;
if (bl_params->image_id == BL33_IMAGE_ID)
bl33_ep_info = *bl_params->ep_info;
bl_params = bl_params->next_params_info;
}
if (bl33_ep_info.pc == 0)
panic();
#else /* LOAD_IMAGE_V2 */
/*
* Check params passed from BL2 should not be NULL,
*/
assert(from_bl2 != NULL);
assert(from_bl2->h.type == PARAM_BL31);
assert(from_bl2->h.version >= VERSION_1);
/*
* Copy BL3-2 and BL3-3 entry point information.
* They are stored in Secure RAM, in BL2's address space.
*/
bl32_ep_info = *from_bl2->bl32_ep_info;
bl33_ep_info = *from_bl2->bl33_ep_info;
#endif /* LOAD_IMAGE_V2 */
}
void bl31_plat_arch_setup(void)
{
hikey_init_mmu_el3(BL31_BASE,
BL31_LIMIT - BL31_BASE,
BL31_RO_BASE,
BL31_RO_LIMIT,
BL31_COHERENT_RAM_BASE,
BL31_COHERENT_RAM_LIMIT);
}
void bl31_platform_setup(void)
{
/* Initialize the GIC driver, cpu and distributor interfaces */
gicv2_driver_init(&hikey_gic_data);
gicv2_distif_init();
gicv2_pcpu_distif_init();
gicv2_cpuif_enable();
hisi_ipc_init();
hisi_pwrc_setup();
}
void bl31_plat_runtime_setup(void)
{
}