arm-trusted-firmware/plat/nxp/s32/s32g274ardb2/plat_bl2_el3_setup.c
Ghennadi Procopciuc 507ce7ed6f feat(s32g274a): dynamically map siul2 and fip img
Dynamically map the remaining regions part of the BL2 stages using
dynamic regions.

Change-Id: Ia81666920b941218ddaa7d3244dfa5212525c75d
Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
2025-01-14 13:02:51 +02:00

125 lines
2.7 KiB
C

/*
* Copyright 2024 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <errno.h>
#include <common/debug.h>
#include <common/desc_image_load.h>
#include <lib/mmio.h>
#include <lib/xlat_tables/xlat_tables_v2.h>
#include <plat/common/platform.h>
#include <plat_console.h>
#include <s32cc-clk-drv.h>
#include <plat_io_storage.h>
#include <s32cc-ncore.h>
#define SIUL20_BASE UL(0x4009C000)
#define SIUL2_PC09_MSCR UL(0x4009C2E4)
#define SIUL2_PC10_MSCR UL(0x4009C2E8)
#define SIUL2_PC10_LIN0_IMCR UL(0x4009CA40)
#define LIN0_TX_MSCR_CFG U(0x00214001)
#define LIN0_RX_MSCR_CFG U(0x00094000)
#define LIN0_RX_IMCR_CFG U(0x00000002)
struct bl_load_info *plat_get_bl_image_load_info(void)
{
return get_bl_load_info_from_mem_params_desc();
}
struct bl_params *plat_get_next_bl_params(void)
{
return get_next_bl_params_from_mem_params_desc();
}
void plat_flush_next_bl_params(void)
{
flush_bl_params_desc();
}
void bl2_platform_setup(void)
{
int ret;
ret = mmap_add_dynamic_region(S32G_FIP_BASE, S32G_FIP_BASE,
S32G_FIP_SIZE,
MT_MEMORY | MT_RW | MT_SECURE);
if (ret != 0) {
panic();
}
}
static int s32g_mmap_siul2(void)
{
return mmap_add_dynamic_region(SIUL20_BASE, SIUL20_BASE, PAGE_SIZE,
MT_DEVICE | MT_RW | MT_SECURE);
}
static void linflex_config_pinctrl(void)
{
/* set PC09 - MSCR[41] - for UART0 TXD */
mmio_write_32(SIUL2_PC09_MSCR, LIN0_TX_MSCR_CFG);
/* set PC10 - MSCR[42] - for UART0 RXD */
mmio_write_32(SIUL2_PC10_MSCR, LIN0_RX_MSCR_CFG);
/* set PC10 - MSCR[512]/IMCR[0] - for UART0 RXD */
mmio_write_32(SIUL2_PC10_LIN0_IMCR, LIN0_RX_IMCR_CFG);
}
void bl2_el3_early_platform_setup(u_register_t arg0, u_register_t arg1,
u_register_t arg2, u_register_t arg3)
{
int ret;
/* Restore (clear) the CAIUTC[IsolEn] bit for the primary cluster, which
* we have manually set during early BL2 boot.
*/
ncore_disable_caiu_isolation(A53_CLUSTER0_CAIU);
ncore_init();
ncore_caiu_online(A53_CLUSTER0_CAIU);
ret = s32cc_init_early_clks();
if (ret != 0) {
panic();
}
ret = s32g_mmap_siul2();
if (ret != 0) {
panic();
}
linflex_config_pinctrl();
console_s32g2_register();
plat_s32g2_io_setup();
}
void bl2_el3_plat_arch_setup(void)
{
}
int bl2_plat_handle_pre_image_load(unsigned int image_id)
{
const struct bl_mem_params_node *desc = get_bl_mem_params_node(image_id);
const struct image_info *img_info;
size_t size;
if (desc == NULL) {
return -EINVAL;
}
img_info = &desc->image_info;
if ((img_info == NULL) || (img_info->image_max_size == 0U)) {
return -EINVAL;
}
size = page_align(img_info->image_max_size, UP);
return mmap_add_dynamic_region(img_info->image_base,
img_info->image_base,
size,
MT_MEMORY | MT_RW | MT_SECURE);
}