blob: a74816b77f19590bde8e8e820042dd6ca63f4007 [file] [log] [blame]
/*
* Copyright (C) 2018 Marvell International Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
* https://spdx.org/licenses
*/
#include <arch.h>
#include <assert.h>
#include <console.h>
#include <debug.h>
#include <marvell_def.h>
#include <marvell_plat_priv.h>
#include <plat_marvell.h>
#include <platform.h>
#ifdef USE_CCI
#include <cci.h>
#endif
/*
* The next 3 constants identify the extents of the code, RO data region and the
* limit of the BL31 image. 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__, __RO_END__ & __BL31_END__ linker symbols
* refer to page-aligned addresses.
*/
#define BL31_END (unsigned long)(&__BL31_END__)
/*
* Placeholder variables for copying the arguments that have been passed to
* BL31 from BL2.
*/
static entry_point_info_t bl32_image_ep_info;
static entry_point_info_t bl33_image_ep_info;
/* Weak definitions may be overridden in specific ARM standard platform */
#pragma weak bl31_early_platform_setup
#pragma weak bl31_platform_setup
#pragma weak bl31_plat_arch_setup
#pragma weak bl31_plat_get_next_image_ep_info
#pragma weak plat_get_syscnt_freq2
/*****************************************************************************
* Return a pointer to the 'entry_point_info' structure of the next image for
* the security state specified. BL33 corresponds to the non-secure image type
* while BL32 corresponds to the secure image type. A NULL pointer is returned
* if the image does not exist.
*****************************************************************************
*/
entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
{
entry_point_info_t *next_image_info;
assert(sec_state_is_valid(type));
next_image_info = (type == NON_SECURE)
? &bl33_image_ep_info : &bl32_image_ep_info;
return next_image_info;
}
/*****************************************************************************
* Perform any BL31 early platform setup common to ARM standard platforms.
* Here is an opportunity to copy parameters passed by the calling EL (S-EL1
* in BL2 & S-EL3 in BL1) before they are lost (potentially). This needs to be
* done before the MMU is initialized so that the memory layout can be used
* while creating page tables. BL2 has flushed this information to memory, so
* we are guaranteed to pick up good data.
*****************************************************************************
*/
void marvell_bl31_early_platform_setup(bl31_params_t *from_bl2,
void *plat_params_from_bl2)
{
/* Initialize the console to provide early debug support */
console_init(PLAT_MARVELL_BOOT_UART_BASE,
PLAT_MARVELL_BOOT_UART_CLK_IN_HZ,
MARVELL_CONSOLE_BAUDRATE);
#if RESET_TO_BL31
/* There are no parameters from BL2 if BL31 is a reset vector */
assert(from_bl2 == NULL);
assert(plat_params_from_bl2 == NULL);
#ifdef BL32_BASE
/* Populate entry point information for BL32 */
SET_PARAM_HEAD(&bl32_image_ep_info,
PARAM_EP,
VERSION_1,
0);
SET_SECURITY_STATE(bl32_image_ep_info.h.attr, SECURE);
bl32_image_ep_info.pc = BL32_BASE;
bl32_image_ep_info.spsr = marvell_get_spsr_for_bl32_entry();
#endif /* BL32_BASE */
/* Populate entry point information for BL33 */
SET_PARAM_HEAD(&bl33_image_ep_info,
PARAM_EP,
VERSION_1,
0);
/*
* Tell BL31 where the non-trusted software image
* is located and the entry state information
*/
bl33_image_ep_info.pc = plat_get_ns_image_entrypoint();
bl33_image_ep_info.spsr = marvell_get_spsr_for_bl33_entry();
SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE);
#else
/*
* 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);
/*
* In debug builds, we pass a special value in 'plat_params_from_bl2'
* to verify platform parameters from BL2 to BL31.
* In release builds, it's not used.
*/
assert(((unsigned long long)plat_params_from_bl2) ==
MARVELL_BL31_PLAT_PARAM_VAL);
/*
* Copy BL32 (if populated by BL2) and BL33 entry point information.
* They are stored in Secure RAM, in BL2's address space.
*/
if (from_bl2->bl32_ep_info)
bl32_image_ep_info = *from_bl2->bl32_ep_info;
bl33_image_ep_info = *from_bl2->bl33_ep_info;
#endif
}
void bl31_early_platform_setup(bl31_params_t *from_bl2,
void *plat_params_from_bl2)
{
marvell_bl31_early_platform_setup(from_bl2, plat_params_from_bl2);
#ifdef USE_CCI
/*
* Initialize CCI for this cluster during cold boot.
* No need for locks as no other CPU is active.
*/
plat_marvell_interconnect_init();
/*
* Enable CCI coherency for the primary CPU's cluster.
* Platform specific PSCI code will enable coherency for other
* clusters.
*/
plat_marvell_interconnect_enter_coherency();
#endif
}
/*****************************************************************************
* Perform any BL31 platform setup common to ARM standard platforms
*****************************************************************************
*/
void marvell_bl31_platform_setup(void)
{
/* Initialize the GIC driver, cpu and distributor interfaces */
plat_marvell_gic_driver_init();
plat_marvell_gic_init();
/* For Armada-8k-plus family, the SoC includes more than
* a single AP die, but the default die that boots is AP #0.
* For other families there is only one die (#0).
* Initialize psci arch from die 0
*/
marvell_psci_arch_init(0);
}
/*****************************************************************************
* Perform any BL31 platform runtime setup prior to BL31 exit common to ARM
* standard platforms
*****************************************************************************
*/
void marvell_bl31_plat_runtime_setup(void)
{
/* Initialize the runtime console */
console_init(PLAT_MARVELL_BL31_RUN_UART_BASE,
PLAT_MARVELL_BL31_RUN_UART_CLK_IN_HZ,
MARVELL_CONSOLE_BAUDRATE);
}
void bl31_platform_setup(void)
{
marvell_bl31_platform_setup();
}
void bl31_plat_runtime_setup(void)
{
marvell_bl31_plat_runtime_setup();
}
/*****************************************************************************
* Perform the very early platform specific architectural setup shared between
* ARM standard platforms. This only does basic initialization. Later
* architectural setup (bl31_arch_setup()) does not do anything platform
* specific.
*****************************************************************************
*/
void marvell_bl31_plat_arch_setup(void)
{
marvell_setup_page_tables(BL31_BASE,
BL31_END - BL31_BASE,
BL_CODE_BASE,
BL_CODE_END,
BL_RO_DATA_BASE,
BL_RO_DATA_END
#if USE_COHERENT_MEM
, BL_COHERENT_RAM_BASE,
BL_COHERENT_RAM_END
#endif
);
#if BL31_CACHE_DISABLE
enable_mmu_el3(DISABLE_DCACHE);
INFO("Cache is disabled in BL3\n");
#else
enable_mmu_el3(0);
#endif
}
void bl31_plat_arch_setup(void)
{
marvell_bl31_plat_arch_setup();
}
unsigned int plat_get_syscnt_freq2(void)
{
return PLAT_REF_CLK_IN_HZ;
}