diff --git a/include/plat/arm/board/common/board_arm_def.h b/include/plat/arm/board/common/board_arm_def.h index dae5418..b4e4313 100644 --- a/include/plat/arm/board/common/board_arm_def.h +++ b/include/plat/arm/board/common/board_arm_def.h @@ -53,6 +53,8 @@ # else # define PLATFORM_STACK_SIZE 0x400 # endif +#elif IMAGE_BL2U +# define PLATFORM_STACK_SIZE 0x200 #elif IMAGE_BL31 # define PLATFORM_STACK_SIZE 0x400 #elif IMAGE_BL32 @@ -85,6 +87,13 @@ # define PLAT_ARM_MMAP_ENTRIES 8 # endif #endif +#if IMAGE_BL2U +# if PLAT_fvp +# define PLAT_ARM_MMAP_ENTRIES 3 +# else +# define PLAT_ARM_MMAP_ENTRIES 4 +#endif +#endif #if IMAGE_BL31 #define PLAT_ARM_MMAP_ENTRIES 5 #endif @@ -111,6 +120,12 @@ # else # define MAX_XLAT_TABLES 4 # endif /* PLAT_ */ +#elif IMAGE_BL2U +# if PLAT_juno +# define MAX_XLAT_TABLES 3 +# else +# define MAX_XLAT_TABLES 4 +# endif /* PLAT_ */ #elif IMAGE_BL31 # define MAX_XLAT_TABLES 2 #elif IMAGE_BL32 diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h index f8541c7..bcb2e2b 100644 --- a/include/plat/arm/common/plat_arm.h +++ b/include/plat/arm/common/plat_arm.h @@ -165,6 +165,12 @@ uint32_t arm_get_spsr_for_bl32_entry(void); uint32_t arm_get_spsr_for_bl33_entry(void); +/* BL2U utility functions */ +void arm_bl2u_early_platform_setup(struct meminfo *mem_layout, + void *plat_info); +void arm_bl2u_platform_setup(void); +void arm_bl2u_plat_arch_setup(void); + /* BL3-1 utility functions */ void arm_bl31_early_platform_setup(bl31_params_t *from_bl2, void *plat_params_from_bl2); diff --git a/plat/arm/board/common/board_css_common.c b/plat/arm/board/common/board_css_common.c index 9af73f2..62253f8 100644 --- a/plat/arm/board/common/board_css_common.c +++ b/plat/arm/board/common/board_css_common.c @@ -60,6 +60,14 @@ {0} }; #endif +#if IMAGE_BL2U +const mmap_region_t plat_arm_mmap[] = { + ARM_MAP_SHARED_RAM, + CSS_MAP_DEVICE, + SOC_CSS_MAP_DEVICE, + {0} +}; +#endif #if IMAGE_BL31 const mmap_region_t plat_arm_mmap[] = { ARM_MAP_SHARED_RAM, diff --git a/plat/arm/board/fvp/aarch64/fvp_common.c b/plat/arm/board/fvp/aarch64/fvp_common.c index 42a9034..305505d 100644 --- a/plat/arm/board/fvp/aarch64/fvp_common.c +++ b/plat/arm/board/fvp/aarch64/fvp_common.c @@ -101,6 +101,13 @@ {0} }; #endif +#if IMAGE_BL2U +const mmap_region_t plat_arm_mmap[] = { + MAP_DEVICE0, + V2M_MAP_IOFPGA, + {0} +}; +#endif #if IMAGE_BL31 const mmap_region_t plat_arm_mmap[] = { ARM_MAP_SHARED_RAM, diff --git a/plat/arm/board/fvp/fvp_bl2u_setup.c b/plat/arm/board/fvp/fvp_bl2u_setup.c new file mode 100644 index 0000000..b26f0e0 --- /dev/null +++ b/plat/arm/board/fvp/fvp_bl2u_setup.c @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include "fvp_def.h" +#include "fvp_private.h" + +void bl2u_early_platform_setup(meminfo_t *mem_layout, void *plat_info) +{ + arm_bl2u_early_platform_setup(mem_layout, plat_info); + + /* Initialize the platform config for future decision making */ + fvp_config_setup(); +} diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk index b6f0739..cb5f5d7 100644 --- a/plat/arm/board/fvp/platform.mk +++ b/plat/arm/board/fvp/platform.mk @@ -83,6 +83,9 @@ plat/arm/board/fvp/fvp_io_storage.c \ plat/arm/board/fvp/fvp_security.c +BL2U_SOURCES += plat/arm/board/fvp/fvp_bl2u_setup.c \ + plat/arm/board/fvp/fvp_security.c + BL31_SOURCES += lib/cpus/aarch64/aem_generic.S \ lib/cpus/aarch64/cortex_a53.S \ lib/cpus/aarch64/cortex_a57.S \ diff --git a/plat/arm/board/juno/platform.mk b/plat/arm/board/juno/platform.mk index 152bd01..fae30e7 100644 --- a/plat/arm/board/juno/platform.mk +++ b/plat/arm/board/juno/platform.mk @@ -47,6 +47,8 @@ BL2_SOURCES += plat/arm/board/juno/juno_security.c \ plat/arm/board/juno/juno_err.c +BL2U_SOURCES += plat/arm/board/juno/juno_security.c + BL31_SOURCES += lib/cpus/aarch64/cortex_a53.S \ lib/cpus/aarch64/cortex_a57.S \ lib/cpus/aarch64/cortex_a72.S \ diff --git a/plat/arm/common/arm_bl2u_setup.c b/plat/arm/common/arm_bl2u_setup.c new file mode 100644 index 0000000..5b7354b --- /dev/null +++ b/plat/arm/common/arm_bl2u_setup.c @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include +#include +#include +#include +#include + + +/* + * The next 2 constants identify the extents of the code & RO data region. + * These addresses are used by the MMU setup code and therefore they must be + * page-aligned. It is the responsibility of the linker script to ensure that + * __RO_START__ and __RO_END__ linker symbols refer to page-aligned addresses. + */ +#define BL2U_RO_BASE (unsigned long)(&__RO_START__) +#define BL2U_RO_LIMIT (unsigned long)(&__RO_END__) + +#if USE_COHERENT_MEM +/* + * The next 2 constants identify the extents of the coherent memory region. + * These addresses are used by the MMU setup code and therefore they must be + * page-aligned. It is the responsibility of the linker script to ensure that + * __COHERENT_RAM_START__ and __COHERENT_RAM_END__ linker symbols refer to + * page-aligned addresses. + */ +#define BL2U_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__) +#define BL2U_COHERENT_RAM_LIMIT (unsigned long)(&__COHERENT_RAM_END__) +#endif + +/* Weak definitions may be overridden in specific ARM standard platform */ +#pragma weak bl2u_platform_setup +#pragma weak bl2u_early_platform_setup +#pragma weak bl2u_plat_arch_setup + +/* + * Perform ARM standard platform setup for BL2U + */ +void arm_bl2u_platform_setup(void) +{ + /* Initialize the secure environment */ + plat_arm_security_setup(); +} + +void bl2u_platform_setup(void) +{ + arm_bl2u_platform_setup(); +} + +void arm_bl2u_early_platform_setup(meminfo_t *mem_layout, void *plat_info) +{ + /* Initialize the console to provide early debug support */ + console_init(PLAT_ARM_BOOT_UART_BASE, PLAT_ARM_BOOT_UART_CLK_IN_HZ, + ARM_CONSOLE_BAUDRATE); +} + +/******************************************************************************* + * BL1 can pass platform dependent information to BL2U in x1. + * In case of ARM CSS platforms x1 contains SCP_BL2U image info. + * In case of ARM FVP platforms x1 is not used. + * In both cases, x0 contains the extents of the memory available to BL2U + ******************************************************************************/ +void bl2u_early_platform_setup(meminfo_t *mem_layout, void *plat_info) +{ + arm_bl2u_early_platform_setup(mem_layout, plat_info); +} + +/******************************************************************************* + * Perform the very early platform specific architectural setup here. At the + * moment this is only initializes the mmu in a quick and dirty way. + * The memory that is used by BL2U is only mapped. + ******************************************************************************/ +void arm_bl2u_plat_arch_setup(void) +{ + arm_configure_mmu_el1(BL2U_RO_LIMIT, + BL31_LIMIT, + BL2U_RO_BASE, + BL2U_RO_LIMIT +#if USE_COHERENT_MEM + , + BL2U_COHERENT_RAM_BASE, + BL2U_COHERENT_RAM_LIMIT +#endif + ); +} + +void bl2u_plat_arch_setup(void) +{ + arm_bl2u_plat_arch_setup(); +} diff --git a/plat/arm/common/arm_common.mk b/plat/arm/common/arm_common.mk index 37dfb7e..2d4e08c 100644 --- a/plat/arm/common/arm_common.mk +++ b/plat/arm/common/arm_common.mk @@ -106,6 +106,11 @@ plat/arm/common/arm_security.c \ plat/common/aarch64/platform_up_stack.S +BL2U_SOURCES += drivers/arm/tzc400/tzc400.c \ + plat/arm/common/arm_bl2u_setup.c \ + plat/arm/common/arm_security.c \ + plat/common/aarch64/platform_up_stack.S + BL31_SOURCES += drivers/arm/cci/cci.c \ drivers/arm/ccn/ccn.c \ drivers/arm/tzc400/tzc400.c \ diff --git a/plat/arm/css/common/css_bl2u_setup.c b/plat/arm/css/common/css_bl2u_setup.c new file mode 100644 index 0000000..878b6fa --- /dev/null +++ b/plat/arm/css/common/css_bl2u_setup.c @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include +#include "css_scp_bootloader.h" + +/* Weak definition may be overridden in specific CSS based platform */ +#pragma weak bl2u_plat_handle_scp_bl2u + +/* Data structure which holds the SCP_BL2U image info for BL2U */ +static image_info_t scp_bl2u_image_info; + +/******************************************************************************* + * BL1 can pass platform dependent information to BL2U in x1. + * In case of ARM CSS platforms x1 contains SCP_BL2U image info. + * In case of ARM FVP platforms x1 is not used. + * In both cases, x0 contains the extents of the memory available to BL2U + ******************************************************************************/ +void bl2u_early_platform_setup(meminfo_t *mem_layout, void *plat_info) +{ + if (!plat_info) + panic(); + + arm_bl2u_early_platform_setup(mem_layout, plat_info); + + scp_bl2u_image_info = *(image_info_t *)plat_info; +} + +/******************************************************************************* + * Transfer SCP_BL2U from Trusted RAM using the SCP Download protocol. + ******************************************************************************/ +int bl2u_plat_handle_scp_bl2u(void) +{ + int ret; + + INFO("BL2U: Initiating SCP_BL2U transfer to SCP\n"); + + ret = scp_bootloader_transfer((void *)scp_bl2u_image_info.image_base, + scp_bl2u_image_info.image_size); + + if (ret == 0) + INFO("BL2U: SCP_BL2U transferred to SCP\n"); + else + ERROR("BL2U: SCP_BL2U transfer failure\n"); + + return ret; +} diff --git a/plat/arm/css/common/css_common.mk b/plat/arm/css/common/css_common.mk index d79c956..1612541 100644 --- a/plat/arm/css/common/css_common.mk +++ b/plat/arm/css/common/css_common.mk @@ -41,6 +41,11 @@ plat/arm/css/common/css_scp_bootloader.c \ plat/arm/css/common/css_scpi.c +BL2U_SOURCES += plat/arm/css/common/css_bl2u_setup.c \ + plat/arm/css/common/css_mhu.c \ + plat/arm/css/common/css_scp_bootloader.c \ + plat/arm/css/common/css_scpi.c + BL31_SOURCES += plat/arm/css/common/css_mhu.c \ plat/arm/css/common/css_pm.c \ plat/arm/css/common/css_scpi.c \ diff --git a/plat/arm/soc/common/soc_css.mk b/plat/arm/soc/common/soc_css.mk index f80cbce..7ae8fdb 100644 --- a/plat/arm/soc/common/soc_css.mk +++ b/plat/arm/soc/common/soc_css.mk @@ -36,4 +36,6 @@ BL2_SOURCES += plat/arm/soc/common/soc_css_security.c +BL2U_SOURCES += plat/arm/soc/common/soc_css_security.c + BL31_SOURCES += plat/arm/soc/common/soc_css_security.c