| Yatharth Kochar | b1c2fe0 | 2015-10-14 15:27:24 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * Redistributions of source code must retain the above copyright notice, this |
| 8 | * list of conditions and the following disclaimer. |
| 9 | * |
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * Neither the name of ARM nor the names of its contributors may be used |
| 15 | * to endorse or promote products derived from this software without specific |
| 16 | * prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #include <arch.h> |
| 32 | #include <arch_helpers.h> |
| 33 | #include <assert.h> |
| 34 | #include <auth_mod.h> |
| 35 | #include <bl_common.h> |
| 36 | #include <bl1.h> |
| 37 | #include <debug.h> |
| 38 | #include <platform.h> |
| 39 | #include <platform_def.h> |
| 40 | #include <stdint.h> |
| 41 | |
| 42 | /******************************************************************************* |
| 43 | * This function is responsible to: |
| 44 | * Load SCP_BL2U if platform has defined SCP_BL2U_BASE |
| 45 | * Perform platform setup. |
| 46 | * Go back to EL3. |
| 47 | ******************************************************************************/ |
| 48 | void bl2u_main(void) |
| 49 | { |
| 50 | NOTICE("BL2U: %s\n", version_string); |
| 51 | NOTICE("BL2U: %s\n", build_message); |
| 52 | |
| 53 | #if SCP_BL2U_BASE |
| 54 | int rc; |
| 55 | /* Load the subsequent bootloader images */ |
| 56 | rc = bl2u_plat_handle_scp_bl2u(); |
| 57 | if (rc) { |
| 58 | ERROR("Failed to load SCP_BL2U (%i)\n", rc); |
| 59 | panic(); |
| 60 | } |
| 61 | #endif |
| 62 | |
| 63 | /* Perform platform setup in BL2U after loading SCP_BL2U */ |
| 64 | bl2u_platform_setup(); |
| 65 | |
| 66 | /* |
| 67 | * Indicate that BL2U is done and resume back to |
| 68 | * normal world via an SMC to BL1. |
| 69 | * x1 could be passed to Normal world, |
| 70 | * so DO NOT pass any secret information. |
| 71 | */ |
| 72 | smc(FWU_SMC_SEC_IMAGE_DONE, 0, 0, 0, 0, 0, 0, 0); |
| 73 | wfi(); |
| 74 | } |