diff options
Diffstat (limited to 'plat/arm/board/fvp/fvp_common.c')
| -rw-r--r-- | plat/arm/board/fvp/fvp_common.c | 102 |
1 files changed, 87 insertions, 15 deletions
diff --git a/plat/arm/board/fvp/fvp_common.c b/plat/arm/board/fvp/fvp_common.c index eb37f113a..e456cc0be 100644 --- a/plat/arm/board/fvp/fvp_common.c +++ b/plat/arm/board/fvp/fvp_common.c @@ -1,11 +1,13 @@ /* - * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include <arm_config.h> #include <arm_def.h> +#include <assert.h> +#include <cci.h> #include <ccn.h> #include <debug.h> #include <gicv2.h> @@ -109,6 +111,30 @@ const mmap_region_t plat_arm_mmap[] = { ARM_CASSERT_MMAP +#if FVP_INTERCONNECT_DRIVER != FVP_CCN +static const int fvp_cci400_map[] = { + PLAT_FVP_CCI400_CLUS0_SL_PORT, + PLAT_FVP_CCI400_CLUS1_SL_PORT, +}; + +static const int fvp_cci5xx_map[] = { + PLAT_FVP_CCI5XX_CLUS0_SL_PORT, + PLAT_FVP_CCI5XX_CLUS1_SL_PORT, +}; + +static unsigned int get_interconnect_master(void) +{ + unsigned int master; + u_register_t mpidr; + + mpidr = read_mpidr_el1(); + master = (arm_config.flags & ARM_CONFIG_FVP_SHIFTED_AFF) ? + MPIDR_AFFLVL2_VAL(mpidr) : MPIDR_AFFLVL1_VAL(mpidr); + + assert(master < FVP_CLUSTER_COUNT); + return master; +} +#endif /******************************************************************************* * A single boot loader stack is expected to work on both the Foundation FVP @@ -173,8 +199,7 @@ void fvp_config_setup(void) } break; case HBI_BASE_FVP: - arm_config.flags |= ARM_CONFIG_BASE_MMAP | - ARM_CONFIG_HAS_INTERCONNECT | ARM_CONFIG_HAS_TZC; + arm_config.flags |= (ARM_CONFIG_BASE_MMAP | ARM_CONFIG_HAS_TZC); /* * Check for supported revisions @@ -182,6 +207,12 @@ void fvp_config_setup(void) */ switch (rev) { case REV_BASE_FVP_V0: + arm_config.flags |= ARM_CONFIG_FVP_HAS_CCI400; + break; + case REV_BASE_FVP_REVC: + arm_config.flags |= (ARM_CONFIG_FVP_SHIFTED_AFF | + ARM_CONFIG_FVP_HAS_SMMUV3 | + ARM_CONFIG_FVP_HAS_CCI5XX); break; default: WARN("Unrecognized Base FVP revision %x\n", rev); @@ -197,26 +228,67 @@ void fvp_config_setup(void) void fvp_interconnect_init(void) { - if (arm_config.flags & ARM_CONFIG_HAS_INTERCONNECT) { #if FVP_INTERCONNECT_DRIVER == FVP_CCN - if (ccn_get_part0_id(PLAT_ARM_CCN_BASE) != CCN_502_PART0_ID) { - ERROR("Unrecognized CCN variant detected. Only CCN-502" - " is supported"); - panic(); - } -#endif - plat_arm_interconnect_init(); + if (ccn_get_part0_id(PLAT_ARM_CCN_BASE) != CCN_502_PART0_ID) { + ERROR("Unrecognized CCN variant detected. Only CCN-502" + " is supported"); + panic(); + } + + plat_arm_interconnect_init(); +#else + uintptr_t cci_base = 0; + const int *cci_map = 0; + unsigned int map_size = 0; + + if (!(arm_config.flags & (ARM_CONFIG_FVP_HAS_CCI400 | + ARM_CONFIG_FVP_HAS_CCI5XX))) { + return; + } + + /* Initialize the right interconnect */ + if (arm_config.flags & ARM_CONFIG_FVP_HAS_CCI5XX) { + cci_base = PLAT_FVP_CCI5XX_BASE; + cci_map = fvp_cci5xx_map; + map_size = ARRAY_SIZE(fvp_cci5xx_map); + } else if (arm_config.flags & ARM_CONFIG_FVP_HAS_CCI400) { + cci_base = PLAT_FVP_CCI400_BASE; + cci_map = fvp_cci400_map; + map_size = ARRAY_SIZE(fvp_cci400_map); } + + assert(cci_base); + assert(cci_map); + cci_init(cci_base, cci_map, map_size); +#endif } void fvp_interconnect_enable(void) { - if (arm_config.flags & ARM_CONFIG_HAS_INTERCONNECT) - plat_arm_interconnect_enter_coherency(); +#if FVP_INTERCONNECT_DRIVER == FVP_CCN + plat_arm_interconnect_enter_coherency(); +#else + unsigned int master; + + if (arm_config.flags & (ARM_CONFIG_FVP_HAS_CCI400 | + ARM_CONFIG_FVP_HAS_CCI5XX)) { + master = get_interconnect_master(); + cci_enable_snoop_dvm_reqs(master); + } +#endif } void fvp_interconnect_disable(void) { - if (arm_config.flags & ARM_CONFIG_HAS_INTERCONNECT) - plat_arm_interconnect_exit_coherency(); +#if FVP_INTERCONNECT_DRIVER == FVP_CCN + plat_arm_interconnect_exit_coherency(); +#else + unsigned int master; + + if (arm_config.flags & (ARM_CONFIG_FVP_HAS_CCI400 | + ARM_CONFIG_FVP_HAS_CCI5XX)) { + master = get_interconnect_master(); + cci_disable_snoop_dvm_reqs(master); + } +#endif } |