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feat(s32g274a): dynamically map GIC regions

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Dynamically add entries for the GIC distributor and all its
redistributors for the cases when the platform is booted using enabled
MMU.

Change-Id: Ia810ec2329993057173e8fc25620a3df59b1e55d
Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
This commit is contained in:
Ghennadi Procopciuc 2024-11-26 17:05:31 +02:00
parent eb4d4185fa
commit 5680f81cec
1 changed files with 33 additions and 1 deletions
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34
plat/nxp/s32/s32g274ardb2/plat_bl31_setup.c
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@ -4,7 +4,9 @@
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <common/debug.h>
#include <drivers/arm/gicv3.h>
#include <lib/xlat_tables/xlat_tables_v2.h>
#include <plat/common/platform.h>
#include <plat_console.h>
@ -42,6 +44,31 @@ struct entry_point_info *bl31_plat_get_next_image_ep_info(uint32_t type)
return &bl33_image_ep_info;
}
static int mmap_gic(const gicv3_driver_data_t *gic_data)
{
size_t gicr_size;
int ret;
ret = mmap_add_dynamic_region(gic_data->gicd_base,
gic_data->gicd_base,
PAGE_SIZE_64KB,
MT_DEVICE | MT_RW | MT_SECURE);
if (ret != 0) {
return ret;
}
gicr_size = gicv3_redist_size(0x0U);
ret = mmap_add_dynamic_region(gic_data->gicr_base,
gic_data->gicr_base,
gicr_size * gic_data->rdistif_num,
MT_DEVICE | MT_RW | MT_SECURE);
if (ret != 0) {
return ret;
}
return 0;
}
void bl31_platform_setup(void)
{
static uintptr_t rdistif_base_addrs[PLATFORM_CORE_COUNT];
@ -52,8 +79,13 @@ void bl31_platform_setup(void)
.rdistif_base_addrs = rdistif_base_addrs,
.mpidr_to_core_pos = s32g2_mpidr_to_core_pos,
};
unsigned int pos = plat_my_core_pos();
int ret;
ret = mmap_gic(&plat_gic_data);
if (ret != 0) {
panic();
}
gicv3_driver_init(&plat_gic_data);
gicv3_distif_init();