diff options
Diffstat (limited to 'plat/layerscape/common/ls_bl31_setup.c')
| -rw-r--r-- | plat/layerscape/common/ls_bl31_setup.c | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/plat/layerscape/common/ls_bl31_setup.c b/plat/layerscape/common/ls_bl31_setup.c deleted file mode 100644 index 7a91aef813..0000000000 --- a/plat/layerscape/common/ls_bl31_setup.c +++ /dev/null @@ -1,227 +0,0 @@ -/* - * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. - * - * SPDX-License-Identifier: BSD-3-Clause - */ - -#include <assert.h> - -#include <common/bl_common.h> -#include <common/interrupt_props.h> -#include <drivers/arm/gicv2.h> -#include <drivers/console.h> -#include <lib/mmio.h> - -#include "ls_16550.h" -#include "plat_ls.h" -#include "soc.h" - -/* - * Placeholder variables for copying the arguments that have been passed to - * BL31 from BL2. - */ -static entry_point_info_t bl32_image_ep_info; -static entry_point_info_t bl33_image_ep_info; - -static const interrupt_prop_t g0_interrupt_props[] = { - INTR_PROP_DESC(9, GIC_HIGHEST_SEC_PRIORITY, - GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), -}; - -gicv2_driver_data_t ls_gic_data = { - .gicd_base = GICD_BASE, - .gicc_base = GICC_BASE, - .interrupt_props = g0_interrupt_props, - .interrupt_props_num = ARRAY_SIZE(g0_interrupt_props), -}; - - -/******************************************************************************* - * Return a pointer to the 'entry_point_info' structure of the next image for the - * security state specified. BL33 corresponds to the non-secure image type - * while BL32 corresponds to the secure image type. A NULL pointer is returned - * if the image does not exist. - ******************************************************************************/ -entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type) -{ - entry_point_info_t *next_image_info; - - assert(sec_state_is_valid(type)); - next_image_info = (type == NON_SECURE) - ? &bl33_image_ep_info : &bl32_image_ep_info; - - if (next_image_info->pc) - return next_image_info; - else - return NULL; -} - -/******************************************************************************* - * Perform any BL31 early platform setup common to Layerscape platforms. - * Here is an opportunity to copy parameters passed by the calling EL (S-EL1 - * in BL2 & EL3 in BL1) before they are lost (potentially). This needs to be - * done before the MMU is initialized so that the memory layout can be used - * while creating page tables. BL2 has flushed this information to memory, so - * we are guaranteed to pick up good data. - ******************************************************************************/ -void ls_bl31_early_platform_setup(void *from_bl2, - void *plat_params_from_bl2) -{ - static console_t console; - - /* Initialize the console to provide early debug support */ - console_ls_16550_register(LS_TF_UART_BASE, LS_TF_UART_CLOCK, - LS_TF_UART_BAUDRATE, &console); -#if RESET_TO_BL31 - /* There are no parameters from BL2 if BL31 is a reset vector */ - assert(from_bl2 == NULL); - assert(plat_params_from_bl2 == NULL); - -#ifdef BL32_BASE - /* Populate entry point information for BL32 */ - SET_PARAM_HEAD(&bl32_image_ep_info, - PARAM_EP, - VERSION_1, - 0); - SET_SECURITY_STATE(bl32_image_ep_info.h.attr, SECURE); - bl32_image_ep_info.pc = BL32_BASE; - bl32_image_ep_info.spsr = ls_get_spsr_for_bl32_entry(); -#endif /* BL32_BASE */ - - /* Populate entry point information for BL33 */ - SET_PARAM_HEAD(&bl33_image_ep_info, - PARAM_EP, - VERSION_1, - 0); - /* - * Tell BL31 where the non-trusted software image - * is located and the entry state information - */ - bl33_image_ep_info.pc = plat_get_ns_image_entrypoint(); - - bl33_image_ep_info.spsr = ls_get_spsr_for_bl33_entry(); - SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE); - -#else /* RESET_TO_BL31 */ - - /* - * In debug builds, we pass a special value in 'plat_params_from_bl2' - * to verify platform parameters from BL2 to BL31. - * In release builds, it's not used. - */ - assert(((unsigned long long)plat_params_from_bl2) == - LS_BL31_PLAT_PARAM_VAL); - - /* - * Check params passed from BL2 should not be NULL, - */ - bl_params_t *params_from_bl2 = (bl_params_t *)from_bl2; - - assert(params_from_bl2 != NULL); - assert(params_from_bl2->h.type == PARAM_BL_PARAMS); - assert(params_from_bl2->h.version >= VERSION_2); - - bl_params_node_t *bl_params = params_from_bl2->head; - - /* - * Copy BL33 and BL32 (if present), entry point information. - * They are stored in Secure RAM, in BL2's address space. - */ - while (bl_params) { - if (bl_params->image_id == BL32_IMAGE_ID) - bl32_image_ep_info = *bl_params->ep_info; - - if (bl_params->image_id == BL33_IMAGE_ID) - bl33_image_ep_info = *bl_params->ep_info; - - bl_params = bl_params->next_params_info; - } - - if (bl33_image_ep_info.pc == 0) - panic(); - -#endif /* RESET_TO_BL31 */ -} - -/******************************************************************************* - * Perform any BL31 platform setup common to Layerscape platforms - ******************************************************************************/ -void ls_bl31_platform_setup(void) -{ - uint32_t gicc_base, gicd_base; - - NOTICE(FIRMWARE_WELCOME_STR_LS1043_BL31); - /* Initialize the GIC driver, cpu and distributor interfaces */ - get_gic_offset(&gicc_base, &gicd_base); - ls_gic_data.gicd_base = (uintptr_t)gicd_base; - ls_gic_data.gicc_base = (uintptr_t)gicc_base; - gicv2_driver_init(&ls_gic_data); - gicv2_distif_init(); - gicv2_pcpu_distif_init(); - gicv2_cpuif_enable(); - -#if RESET_TO_BL31 - /* - * Do initial security configuration to allow DRAM/device access - * (if earlier BL has not already done so). - */ - plat_ls_security_setup(); - -#endif /* RESET_TO_BL31 */ - - /* Enable and initialize the System level generic timer */ - mmio_write_32(LS1043_SYS_CNTCTL_BASE + CNTCR_OFF, - CNTCR_FCREQ(0U) | CNTCR_EN); - - VERBOSE("Leave arm_bl31_platform_setup\n"); -} - -/******************************************************************************* - * Perform any BL31 platform runtime setup prior to BL31 exit common to Layerscape - * platforms - ******************************************************************************/ -void ls_bl31_plat_runtime_setup(void) -{ - static console_t console; - - /* Initialize the runtime console */ - console_ls_16550_register(PLAT_LS1043_UART_BASE, PLAT_LS1043_UART_CLOCK, - PLAT_LS1043_UART_BAUDRATE, &console); -} - -void bl31_platform_setup(void) -{ - ls_bl31_platform_setup(); -} - -void bl31_plat_runtime_setup(void) -{ - ls_bl31_plat_runtime_setup(); -} - -/******************************************************************************* - * Perform the very early platform specific architectural setup shared between - * Layerscape platforms. This only does basic initialization. Later - * architectural setup (bl31_arch_setup()) does not do anything platform - * specific. - ******************************************************************************/ -void ls_bl31_plat_arch_setup(void) -{ - ls_setup_page_tables(BL31_BASE, - BL31_END - BL31_BASE, - 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_el3(0); -} - -void bl31_plat_arch_setup(void) -{ - ls_bl31_plat_arch_setup(); -} |