From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- plat/arm/board/juno/juno_bl31_setup.c | 60 +++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 plat/arm/board/juno/juno_bl31_setup.c (limited to 'plat/arm/board/juno/juno_bl31_setup.c') diff --git a/plat/arm/board/juno/juno_bl31_setup.c b/plat/arm/board/juno/juno_bl31_setup.c new file mode 100644 index 0000000..7a0a6d9 --- /dev/null +++ b/plat/arm/board/juno/juno_bl31_setup.c @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include + +#include +#include +#include + +#include + +void __init bl31_early_platform_setup2(u_register_t arg0, + u_register_t arg1, u_register_t arg2, u_register_t arg3) +{ + const struct dyn_cfg_dtb_info_t *soc_fw_config_info; + + INFO("BL31 FCONF: FW_CONFIG address = %lx\n", (uintptr_t)arg1); + + /* Fill the properties struct with the info from the config dtb */ + fconf_populate("FW_CONFIG", arg1); + + soc_fw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, SOC_FW_CONFIG_ID); + if (soc_fw_config_info != NULL) { + arg1 = soc_fw_config_info->config_addr; + } + + arm_bl31_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3); + + /* + * Initialize Interconnect for this cluster during cold boot. + * No need for locks as no other CPU is active. + */ + plat_arm_interconnect_init(); + + /* + * Enable Interconnect coherency for the primary CPU's cluster. + * Earlier bootloader stages might already do this (e.g. Trusted + * Firmware's BL1 does it) but we can't assume so. There is no harm in + * executing this code twice anyway. + * Platform specific PSCI code will enable coherency for other + * clusters. + */ + plat_arm_interconnect_enter_coherency(); +} + +void __init bl31_plat_arch_setup(void) +{ + arm_bl31_plat_arch_setup(); + + /* HW_CONFIG was also loaded by BL2 */ + const struct dyn_cfg_dtb_info_t *hw_config_info; + + hw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, HW_CONFIG_ID); + assert(hw_config_info != NULL); + + fconf_populate("HW_CONFIG", hw_config_info->config_addr); +} -- cgit v1.2.3