diff options
Diffstat (limited to 'plat/marvell/armada/common/marvell_bl2_setup.c')
| -rw-r--r-- | plat/marvell/armada/common/marvell_bl2_setup.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/plat/marvell/armada/common/marvell_bl2_setup.c b/plat/marvell/armada/common/marvell_bl2_setup.c new file mode 100644 index 0000000..3dfa82e --- /dev/null +++ b/plat/marvell/armada/common/marvell_bl2_setup.c @@ -0,0 +1,158 @@ +/* + * Copyright (C) 2018 Marvell International Ltd. + * + * SPDX-License-Identifier: BSD-3-Clause + * https://spdx.org/licenses + */ + +#include <assert.h> +#include <string.h> + +#include <platform_def.h> + +#include <arch_helpers.h> +#include <common/bl_common.h> +#include <common/debug.h> +#include <common/desc_image_load.h> +#include <drivers/console.h> +#include <lib/utils.h> + +#ifdef SPD_opteed +#include <optee_utils.h> +#endif +#include <marvell_def.h> +#include <plat_marvell.h> + +/* Data structure which holds the extents of the trusted SRAM for BL2 */ +static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE); + +/* Weak definitions may be overridden in specific MARVELL standard platform */ +#pragma weak bl2_early_platform_setup2 +#pragma weak bl2_platform_setup +#pragma weak bl2_plat_arch_setup +#pragma weak bl2_plat_sec_mem_layout + +meminfo_t *bl2_plat_sec_mem_layout(void) +{ + return &bl2_tzram_layout; +} + +/***************************************************************************** + * BL1 has passed the extents of the trusted SRAM that should be visible to BL2 + * in x0. This memory layout is sitting at the base of the free trusted SRAM. + * Copy it to a safe location before its reclaimed by later BL2 functionality. + ***************************************************************************** + */ +void marvell_bl2_early_platform_setup(meminfo_t *mem_layout) +{ + /* Initialize the console to provide early debug support */ + marvell_console_boot_init(); + + /* Setup the BL2 memory layout */ + bl2_tzram_layout = *mem_layout; + + /* Initialise the IO layer and register platform IO devices */ + plat_marvell_io_setup(); +} + + +void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1, + u_register_t arg2, u_register_t arg3) +{ + struct meminfo *mem_layout = (struct meminfo *)arg1; + + marvell_bl2_early_platform_setup(mem_layout); +} + +void bl2_platform_setup(void) +{ + /* Nothing to do */ +} + +/***************************************************************************** + * Perform the very early platform specific architectural setup here. At the + * moment this is only initializes the mmu in a quick and dirty way. + ***************************************************************************** + */ +void marvell_bl2_plat_arch_setup(void) +{ + marvell_setup_page_tables(bl2_tzram_layout.total_base, + bl2_tzram_layout.total_size, + 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 + ); + enable_mmu_el1(0); +} + +void bl2_plat_arch_setup(void) +{ + marvell_bl2_plat_arch_setup(); +} + +int marvell_bl2_handle_post_image_load(unsigned int image_id) +{ + int err = 0; + bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id); + +#ifdef SPD_opteed + bl_mem_params_node_t *pager_mem_params = NULL; + bl_mem_params_node_t *paged_mem_params = NULL; +#endif /* SPD_opteed */ + assert(bl_mem_params); + + switch (image_id) { + case BL32_IMAGE_ID: +#ifdef SPD_opteed + pager_mem_params = get_bl_mem_params_node(BL32_EXTRA1_IMAGE_ID); + assert(pager_mem_params); + + paged_mem_params = get_bl_mem_params_node(BL32_EXTRA2_IMAGE_ID); + assert(paged_mem_params); + + err = parse_optee_header(&bl_mem_params->ep_info, + &pager_mem_params->image_info, + &paged_mem_params->image_info); + if (err != 0) + WARN("OPTEE header parse error.\n"); +#endif /* SPD_opteed */ + bl_mem_params->ep_info.spsr = marvell_get_spsr_for_bl32_entry(); + break; + + case BL33_IMAGE_ID: + /* BL33 expects to receive the primary CPU MPID (through r0) */ + bl_mem_params->ep_info.args.arg0 = 0xffff & read_mpidr(); + bl_mem_params->ep_info.spsr = marvell_get_spsr_for_bl33_entry(); + break; +#ifdef SCP_BL2_BASE + case SCP_BL2_IMAGE_ID: + /* The subsequent handling of SCP_BL2 is platform specific */ + err = bl2_plat_handle_scp_bl2(&bl_mem_params->image_info); + if (err) { + WARN("Failure in platform-specific handling of SCP_BL2 image.\n"); + } + break; +#endif + default: + /* Do nothing in default case */ + break; + } + + return err; + +} + +/******************************************************************************* + * This function can be used by the platforms to update/use image + * information for given `image_id`. + ******************************************************************************/ +int bl2_plat_handle_post_image_load(unsigned int image_id) +{ + return marvell_bl2_handle_post_image_load(image_id); +} + |