blob: 48a747c7c2c4d887a80737febf265c4d0c59fc0b [file] [log] [blame]
/*
* Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <errno.h>
#include <platform_def.h>
#include <arch_helpers.h>
#include <common/debug.h>
#include <drivers/st/stm32mp_clkfunc.h>
#include <lib/xlat_tables/xlat_tables_v2.h>
#include <plat/common/platform.h>
uintptr_t plat_get_ns_image_entrypoint(void)
{
return BL33_BASE;
}
unsigned int plat_get_syscnt_freq2(void)
{
return read_cntfrq_el0();
}
static uintptr_t boot_ctx_address;
void stm32mp_save_boot_ctx_address(uintptr_t address)
{
boot_ctx_address = address;
}
uintptr_t stm32mp_get_boot_ctx_address(void)
{
return boot_ctx_address;
}
uintptr_t stm32mp_ddrctrl_base(void)
{
static uintptr_t ddrctrl_base;
if (ddrctrl_base == 0) {
ddrctrl_base = dt_get_ddrctrl_base();
assert(ddrctrl_base == DDRCTRL_BASE);
}
return ddrctrl_base;
}
uintptr_t stm32mp_ddrphyc_base(void)
{
static uintptr_t ddrphyc_base;
if (ddrphyc_base == 0) {
ddrphyc_base = dt_get_ddrphyc_base();
assert(ddrphyc_base == DDRPHYC_BASE);
}
return ddrphyc_base;
}
uintptr_t stm32mp_pwr_base(void)
{
static uintptr_t pwr_base;
if (pwr_base == 0) {
pwr_base = dt_get_pwr_base();
assert(pwr_base == PWR_BASE);
}
return pwr_base;
}
uintptr_t stm32mp_rcc_base(void)
{
static uintptr_t rcc_base;
if (rcc_base == 0) {
rcc_base = fdt_rcc_read_addr();
assert(rcc_base == RCC_BASE);
}
return rcc_base;
}
bool stm32mp_lock_available(void)
{
const uint32_t c_m_bits = SCTLR_M_BIT | SCTLR_C_BIT;
/* The spinlocks are used only when MMU and data cache are enabled */
return (read_sctlr() & c_m_bits) == c_m_bits;
}
int stm32mp_check_header(boot_api_image_header_t *header, uintptr_t buffer)
{
uint32_t i;
uint32_t img_checksum = 0U;
/*
* Check header/payload validity:
* - Header magic
* - Header version
* - Payload checksum
*/
if (header->magic != BOOT_API_IMAGE_HEADER_MAGIC_NB) {
ERROR("Header magic\n");
return -EINVAL;
}
if (header->header_version != BOOT_API_HEADER_VERSION) {
ERROR("Header version\n");
return -EINVAL;
}
for (i = 0U; i < header->image_length; i++) {
img_checksum += *(uint8_t *)(buffer + i);
}
if (header->payload_checksum != img_checksum) {
ERROR("Checksum: 0x%x (awaited: 0x%x)\n", img_checksum,
header->payload_checksum);
return -EINVAL;
}
return 0;
}
int stm32mp_map_ddr_non_cacheable(void)
{
return mmap_add_dynamic_region(STM32MP_DDR_BASE, STM32MP_DDR_BASE,
STM32MP_DDR_MAX_SIZE,
MT_NON_CACHEABLE | MT_RW | MT_NS);
}
int stm32mp_unmap_ddr(void)
{
return mmap_remove_dynamic_region(STM32MP_DDR_BASE,
STM32MP_DDR_MAX_SIZE);
}