diff options
Diffstat (limited to 'plat/xilinx/versal/aarch64')
| -rw-r--r-- | plat/xilinx/versal/aarch64/versal_common.c | 54 | ||||
| -rw-r--r-- | plat/xilinx/versal/aarch64/versal_helpers.S | 73 |
2 files changed, 127 insertions, 0 deletions
diff --git a/plat/xilinx/versal/aarch64/versal_common.c b/plat/xilinx/versal/aarch64/versal_common.c new file mode 100644 index 0000000..f55cde9 --- /dev/null +++ b/plat/xilinx/versal/aarch64/versal_common.c @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <plat_ipi.h> +#include <versal_def.h> +#include <plat_private.h> +#include <common/debug.h> +#include <drivers/generic_delay_timer.h> +#include <lib/mmio.h> +#include <lib/xlat_tables/xlat_tables.h> +#include <plat/common/platform.h> + +/* + * Table of regions to map using the MMU. + * This doesn't include TZRAM as the 'mem_layout' argument passed to + * configure_mmu_elx() will give the available subset of that, + */ +const mmap_region_t plat_versal_mmap[] = { + MAP_REGION_FLAT(DEVICE0_BASE, DEVICE0_SIZE, MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(DEVICE1_BASE, DEVICE1_SIZE, MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(CRF_BASE, CRF_SIZE, MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(FPD_MAINCCI_BASE, FPD_MAINCCI_SIZE, MT_DEVICE | MT_RW | + MT_SECURE), + { 0 } +}; + +const mmap_region_t *plat_versal_get_mmap(void) +{ + return plat_versal_mmap; +} + +static void versal_print_platform_name(void) +{ + NOTICE("ATF running on Xilinx %s\n", PLATFORM_NAME); +} + +void versal_config_setup(void) +{ + /* Configure IPI data for versal */ + versal_ipi_config_table_init(); + + versal_print_platform_name(); + + generic_delay_timer_init(); +} + +uint32_t plat_get_syscnt_freq2(void) +{ + return VERSAL_CPU_CLOCK; +} + diff --git a/plat/xilinx/versal/aarch64/versal_helpers.S b/plat/xilinx/versal/aarch64/versal_helpers.S new file mode 100644 index 0000000..26eb052 --- /dev/null +++ b/plat/xilinx/versal/aarch64/versal_helpers.S @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <drivers/arm/gicv3.h> +#include <platform_def.h> + + .globl plat_secondary_cold_boot_setup + .globl plat_is_my_cpu_primary + .globl versal_calc_core_pos + .globl platform_mem_init + .globl plat_my_core_pos + + /* ----------------------------------------------------- + * void plat_secondary_cold_boot_setup (void); + * + * This function performs any platform specific actions + * needed for a secondary cpu after a cold reset e.g + * mark the cpu's presence, mechanism to place it in a + * holding pen etc. + * TODO: Should we read the PSYS register to make sure + * that the request has gone through. + * ----------------------------------------------------- + */ +func plat_secondary_cold_boot_setup + mrs x0, mpidr_el1 + + /* + * There is no sane reason to come out of this wfi. This + * cpu will be powered on and reset by the cpu_on pm api + */ + dsb sy + bl plat_panic_handler +endfunc plat_secondary_cold_boot_setup + +func plat_is_my_cpu_primary + mov x9, x30 + bl plat_my_core_pos + cmp x0, #VERSAL_PRIMARY_CPU + cset x0, eq + ret x9 +endfunc plat_is_my_cpu_primary + + /* ----------------------------------------------------- + * unsigned int plat_my_core_pos(void) + * This function uses the versal_calc_core_pos() + * definition to get the index of the calling CPU. + * ----------------------------------------------------- + */ +func plat_my_core_pos + mrs x0, mpidr_el1 + b versal_calc_core_pos +endfunc plat_my_core_pos + +func versal_calc_core_pos + and x1, x0, #MPIDR_CPU_MASK + and x0, x0, #MPIDR_CLUSTER_MASK + add x0, x1, x0, LSR #6 + ret +endfunc versal_calc_core_pos + + /* --------------------------------------------------------------------- + * We don't need to carry out any memory initialization on VERSAL + * platform. The Secure RAM is accessible straight away. + * --------------------------------------------------------------------- + */ +func platform_mem_init + ret +endfunc platform_mem_init |