diff options
Diffstat (limited to 'plat/amlogic')
34 files changed, 3740 insertions, 0 deletions
diff --git a/plat/amlogic/axg/axg_bl31_setup.c b/plat/amlogic/axg/axg_bl31_setup.c new file mode 100644 index 0000000..8cc9d69 --- /dev/null +++ b/plat/amlogic/axg/axg_bl31_setup.c @@ -0,0 +1,170 @@ +/* + * Copyright (c) 2020, 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 <lib/mmio.h> +#include <lib/xlat_tables/xlat_mmu_helpers.h> +#include <plat/common/platform.h> +#include <platform_def.h> + +#include "aml_private.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 image_info_t bl30_image_info; +static image_info_t bl301_image_info; + +/******************************************************************************* + * 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; + + next_image_info = (type == NON_SECURE) ? + &bl33_image_ep_info : &bl32_image_ep_info; + + /* None of the images can have 0x0 as the entrypoint. */ + if (next_image_info->pc != 0U) + return next_image_info; + + return NULL; +} + +/******************************************************************************* + * Perform any BL31 early platform setup. Here is an opportunity to copy + * parameters passed by the calling EL (S-EL1 in BL2 & S-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. + ******************************************************************************/ +struct axg_bl31_param { + param_header_t h; + image_info_t *bl31_image_info; + entry_point_info_t *bl32_ep_info; + image_info_t *bl32_image_info; + entry_point_info_t *bl33_ep_info; + image_info_t *bl33_image_info; + image_info_t *scp_image_info[]; +}; + +void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, + u_register_t arg2, u_register_t arg3) +{ + struct axg_bl31_param *from_bl2; + + /* Initialize the console to provide early debug support */ + aml_console_init(); + + from_bl2 = (struct axg_bl31_param *)arg0; + + /* Check params passed from BL2 are not NULL. */ + assert(from_bl2 != NULL); + assert(from_bl2->h.type == PARAM_BL31); + assert(from_bl2->h.version >= VERSION_1); + + /* + * Copy BL32 and BL33 entry point information. It is stored in Secure + * RAM, in BL2's address space. + */ + bl32_image_ep_info = *from_bl2->bl32_ep_info; + bl33_image_ep_info = *from_bl2->bl33_ep_info; + +#if AML_USE_ATOS + /* + * BL2 is unconditionally setting 0 (OPTEE_AARCH64) in arg0 even when + * the BL32 image is 32bit (OPTEE_AARCH32). This is causing the boot to + * hang when ATOS (32bit Amlogic BL32 binary-only TEE OS) is used. + * + * Hardcode to OPTEE_AARCH32 / MODE_RW_32. + */ + bl32_image_ep_info.args.arg0 = MODE_RW_32; +#endif + + if (bl33_image_ep_info.pc == 0U) { + ERROR("BL31: BL33 entrypoint not obtained from BL2\n"); + panic(); + } + + bl30_image_info = *from_bl2->scp_image_info[0]; + bl301_image_info = *from_bl2->scp_image_info[1]; +} + +void bl31_plat_arch_setup(void) +{ + aml_setup_page_tables(); + + enable_mmu_el3(0); +} + +static inline bool axg_scp_ready(void) +{ + return AML_AO_RTI_SCP_IS_READY(mmio_read_32(AML_AO_RTI_SCP_STAT)); +} + +static inline void axg_scp_boot(void) +{ + aml_scpi_upload_scp_fw(bl30_image_info.image_base, + bl30_image_info.image_size, 0); + aml_scpi_upload_scp_fw(bl301_image_info.image_base, + bl301_image_info.image_size, 1); + while (!axg_scp_ready()) + ; +} + +/******************************************************************************* + * GICv2 driver setup information + ******************************************************************************/ +static const interrupt_prop_t axg_interrupt_props[] = { + INTR_PROP_DESC(IRQ_SEC_PHY_TIMER, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_0, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_1, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_2, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_3, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_4, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_5, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_6, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_7, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL) +}; + +static const gicv2_driver_data_t axg_gic_data = { + .gicd_base = AML_GICD_BASE, + .gicc_base = AML_GICC_BASE, + .interrupt_props = axg_interrupt_props, + .interrupt_props_num = ARRAY_SIZE(axg_interrupt_props) +}; + +void bl31_platform_setup(void) +{ + aml_mhu_secure_init(); + + gicv2_driver_init(&axg_gic_data); + gicv2_distif_init(); + gicv2_pcpu_distif_init(); + gicv2_cpuif_enable(); + + axg_scp_boot(); +} diff --git a/plat/amlogic/axg/axg_common.c b/plat/amlogic/axg/axg_common.c new file mode 100644 index 0000000..870daf4 --- /dev/null +++ b/plat/amlogic/axg/axg_common.c @@ -0,0 +1,115 @@ +/* + * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> +#include <bl31/interrupt_mgmt.h> +#include <common/bl_common.h> +#include <common/ep_info.h> +#include <lib/mmio.h> +#include <lib/xlat_tables/xlat_tables_v2.h> +#include <platform_def.h> +#include <stdint.h> + +/******************************************************************************* + * Platform memory map regions + ******************************************************************************/ +#define MAP_NSDRAM0 MAP_REGION_FLAT(AML_NSDRAM0_BASE, \ + AML_NSDRAM0_SIZE, \ + MT_MEMORY | MT_RW | MT_NS) + +#define MAP_NS_SHARE_MEM MAP_REGION_FLAT(AML_NS_SHARE_MEM_BASE, \ + AML_NS_SHARE_MEM_SIZE, \ + MT_MEMORY | MT_RW | MT_NS) + +#define MAP_SEC_SHARE_MEM MAP_REGION_FLAT(AML_SEC_SHARE_MEM_BASE, \ + AML_SEC_SHARE_MEM_SIZE, \ + MT_MEMORY | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE0 MAP_REGION_FLAT(AML_SEC_DEVICE0_BASE, \ + AML_SEC_DEVICE0_SIZE, \ + MT_DEVICE | MT_RW) + +#define MAP_GIC_DEVICE MAP_REGION_FLAT(AML_GIC_DEVICE_BASE, \ + AML_GIC_DEVICE_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE1 MAP_REGION_FLAT(AML_SEC_DEVICE1_BASE, \ + AML_SEC_DEVICE1_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE2 MAP_REGION_FLAT(AML_SEC_DEVICE2_BASE, \ + AML_SEC_DEVICE2_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_TZRAM MAP_REGION_FLAT(AML_TZRAM_BASE, \ + AML_TZRAM_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +static const mmap_region_t axg_mmap[] = { + MAP_NSDRAM0, + MAP_NS_SHARE_MEM, + MAP_SEC_SHARE_MEM, + MAP_SEC_DEVICE0, + MAP_GIC_DEVICE, + MAP_SEC_DEVICE1, + MAP_SEC_DEVICE2, + MAP_TZRAM, + {0} +}; + +/******************************************************************************* + * Per-image regions + ******************************************************************************/ +#define MAP_BL31 MAP_REGION_FLAT(BL31_BASE, \ + BL31_END - BL31_BASE, \ + MT_MEMORY | MT_RW | MT_SECURE) + +#define MAP_BL_CODE MAP_REGION_FLAT(BL_CODE_BASE, \ + BL_CODE_END - BL_CODE_BASE, \ + MT_CODE | MT_SECURE) + +#define MAP_BL_RO_DATA MAP_REGION_FLAT(BL_RO_DATA_BASE, \ + BL_RO_DATA_END - BL_RO_DATA_BASE, \ + MT_RO_DATA | MT_SECURE) + +#define MAP_BL_COHERENT MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, \ + BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +/******************************************************************************* + * Function that sets up the translation tables. + ******************************************************************************/ +void aml_setup_page_tables(void) +{ +#if IMAGE_BL31 + const mmap_region_t axg_bl_mmap[] = { + MAP_BL31, + MAP_BL_CODE, + MAP_BL_RO_DATA, +#if USE_COHERENT_MEM + MAP_BL_COHERENT, +#endif + {0} + }; +#endif + + mmap_add(axg_bl_mmap); + + mmap_add(axg_mmap); + + init_xlat_tables(); +} + +/******************************************************************************* + * Function that returns the system counter frequency + ******************************************************************************/ +unsigned int plat_get_syscnt_freq2(void) +{ + mmio_clrbits_32(AML_SYS_CPU_CFG7, PLAT_SYS_CPU_CFG7); + mmio_clrbits_32(AML_AO_TIMESTAMP_CNTL, PLAT_AO_TIMESTAMP_CNTL); + + return AML_OSC24M_CLK_IN_HZ; +} diff --git a/plat/amlogic/axg/axg_def.h b/plat/amlogic/axg/axg_def.h new file mode 100644 index 0000000..d90681a --- /dev/null +++ b/plat/amlogic/axg/axg_def.h @@ -0,0 +1,129 @@ +/* + * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef AXG_DEF_H +#define AXG_DEF_H + +#include <lib/utils_def.h> + +/******************************************************************************* + * System oscillator + ******************************************************************************/ +#define AML_OSC24M_CLK_IN_HZ ULL(24000000) /* 24 MHz */ + +/******************************************************************************* + * Memory regions + ******************************************************************************/ +#define AML_NS_SHARE_MEM_BASE UL(0x05000000) +#define AML_NS_SHARE_MEM_SIZE UL(0x00100000) + +#define AML_SEC_SHARE_MEM_BASE UL(0x05200000) +#define AML_SEC_SHARE_MEM_SIZE UL(0x00100000) + +#define AML_GIC_DEVICE_BASE UL(0xFFC00000) +#define AML_GIC_DEVICE_SIZE UL(0x00008000) + +#define AML_NSDRAM0_BASE UL(0x01000000) +#define AML_NSDRAM0_SIZE UL(0x0F000000) + +#define BL31_BASE UL(0x05100000) +#define BL31_SIZE UL(0x00100000) +#define BL31_LIMIT (BL31_BASE + BL31_SIZE) + +/* Shared memory used for SMC services */ +#define AML_SHARE_MEM_INPUT_BASE UL(0x050FE000) +#define AML_SHARE_MEM_OUTPUT_BASE UL(0x050FF000) + +#define AML_SEC_DEVICE0_BASE UL(0xFFD00000) +#define AML_SEC_DEVICE0_SIZE UL(0x00026000) + +#define AML_SEC_DEVICE1_BASE UL(0xFF800000) +#define AML_SEC_DEVICE1_SIZE UL(0x0000A000) + +#define AML_SEC_DEVICE2_BASE UL(0xFF620000) +#define AML_SEC_DEVICE2_SIZE UL(0x00028000) + +#define AML_TZRAM_BASE UL(0xFFFC0000) +#define AML_TZRAM_SIZE UL(0x00020000) + +/* Mailboxes */ +#define AML_MHU_SECURE_SCP_TO_AP_PAYLOAD UL(0xFFFD3800) +#define AML_MHU_SECURE_AP_TO_SCP_PAYLOAD UL(0xFFFD3A00) +#define AML_PSCI_MAILBOX_BASE UL(0xFFFD3F00) + +/******************************************************************************* + * GIC-400 and interrupt handling related constants + ******************************************************************************/ +#define AML_GICD_BASE UL(0xFFC01000) +#define AML_GICC_BASE UL(0xFFC02000) + +#define IRQ_SEC_PHY_TIMER 29 + +#define IRQ_SEC_SGI_0 8 +#define IRQ_SEC_SGI_1 9 +#define IRQ_SEC_SGI_2 10 +#define IRQ_SEC_SGI_3 11 +#define IRQ_SEC_SGI_4 12 +#define IRQ_SEC_SGI_5 13 +#define IRQ_SEC_SGI_6 14 +#define IRQ_SEC_SGI_7 15 +#define IRQ_SEC_SGI_8 16 + +/******************************************************************************* + * UART definitions + ******************************************************************************/ +#define AML_UART0_AO_BASE UL(0xFF803000) +#define AML_UART0_AO_CLK_IN_HZ AML_OSC24M_CLK_IN_HZ +#define AML_UART_BAUDRATE U(115200) + +/******************************************************************************* + * Memory-mapped I/O Registers + ******************************************************************************/ +#define AML_AO_TIMESTAMP_CNTL UL(0xFF8000B4) + +#define AML_SYS_CPU_CFG7 UL(0xFF634664) + +#define AML_AO_RTI_STATUS_REG3 UL(0xFF80001C) +#define AML_AO_RTI_SCP_STAT UL(0xFF80023C) +#define AML_AO_RTI_SCP_READY_OFF U(0x14) +#define AML_A0_RTI_SCP_READY_MASK U(3) +#define AML_AO_RTI_SCP_IS_READY(v) \ + ((((v) >> AML_AO_RTI_SCP_READY_OFF) & \ + AML_A0_RTI_SCP_READY_MASK) == AML_A0_RTI_SCP_READY_MASK) + +#define AML_HIU_MAILBOX_SET_0 UL(0xFF63C404) +#define AML_HIU_MAILBOX_STAT_0 UL(0xFF63C408) +#define AML_HIU_MAILBOX_CLR_0 UL(0xFF63C40C) +#define AML_HIU_MAILBOX_SET_3 UL(0xFF63C428) +#define AML_HIU_MAILBOX_STAT_3 UL(0xFF63C42C) +#define AML_HIU_MAILBOX_CLR_3 UL(0xFF63C430) + +#define AML_SHA_DMA_BASE UL(0xFF63E000) +#define AML_SHA_DMA_DESC (AML_SHA_DMA_BASE + 0x08) +#define AML_SHA_DMA_STATUS (AML_SHA_DMA_BASE + 0x28) + +/******************************************************************************* + * System Monitor Call IDs and arguments + ******************************************************************************/ +#define AML_SM_GET_SHARE_MEM_INPUT_BASE U(0x82000020) +#define AML_SM_GET_SHARE_MEM_OUTPUT_BASE U(0x82000021) + +#define AML_SM_EFUSE_READ U(0x82000030) +#define AML_SM_EFUSE_USER_MAX U(0x82000033) + +#define AML_SM_JTAG_ON U(0x82000040) +#define AML_SM_JTAG_OFF U(0x82000041) +#define AML_SM_GET_CHIP_ID U(0x82000044) + +#define AML_JTAG_STATE_ON U(0) +#define AML_JTAG_STATE_OFF U(1) + +#define AML_JTAG_M3_AO U(0) +#define AML_JTAG_M3_EE U(1) +#define AML_JTAG_A53_AO U(2) +#define AML_JTAG_A53_EE U(3) + +#endif /* AXG_DEF_H */ diff --git a/plat/amlogic/axg/axg_pm.c b/plat/amlogic/axg/axg_pm.c new file mode 100644 index 0000000..e67f263 --- /dev/null +++ b/plat/amlogic/axg/axg_pm.c @@ -0,0 +1,166 @@ +/* + * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch_helpers.h> +#include <assert.h> +#include <common/debug.h> +#include <drivers/arm/gicv2.h> +#include <drivers/console.h> +#include <errno.h> +#include <lib/mmio.h> +#include <lib/psci/psci.h> +#include <plat/common/platform.h> +#include <platform_def.h> + +#include "aml_private.h" + +#define SCPI_POWER_ON 0 +#define SCPI_POWER_RETENTION 1 +#define SCPI_POWER_OFF 3 + +#define SCPI_SYSTEM_SHUTDOWN 0 +#define SCPI_SYSTEM_REBOOT 1 + +static uintptr_t axg_sec_entrypoint; + +static void axg_pm_set_reset_addr(u_register_t mpidr, uint64_t value) +{ + unsigned int core = plat_calc_core_pos(mpidr); + uintptr_t cpu_mailbox_addr = AML_PSCI_MAILBOX_BASE + (core << 4); + + mmio_write_64(cpu_mailbox_addr, value); +} + +static void axg_pm_reset(u_register_t mpidr, uint32_t value) +{ + unsigned int core = plat_calc_core_pos(mpidr); + uintptr_t cpu_mailbox_addr = AML_PSCI_MAILBOX_BASE + (core << 4) + 8; + + mmio_write_32(cpu_mailbox_addr, value); +} + +static void __dead2 axg_system_reset(void) +{ + u_register_t mpidr = read_mpidr_el1(); + int ret; + + INFO("BL31: PSCI_SYSTEM_RESET\n"); + + ret = aml_scpi_sys_power_state(SCPI_SYSTEM_REBOOT); + if (ret != 0) { + ERROR("BL31: PSCI_SYSTEM_RESET: SCP error: %i\n", ret); + panic(); + } + + axg_pm_reset(mpidr, 0); + + wfi(); + + ERROR("BL31: PSCI_SYSTEM_RESET: Operation not handled\n"); + panic(); +} + +static void __dead2 axg_system_off(void) +{ + u_register_t mpidr = read_mpidr_el1(); + int ret; + + INFO("BL31: PSCI_SYSTEM_OFF\n"); + + ret = aml_scpi_sys_power_state(SCPI_SYSTEM_SHUTDOWN); + if (ret != 0) { + ERROR("BL31: PSCI_SYSTEM_OFF: SCP error %i\n", ret); + panic(); + } + + axg_pm_set_reset_addr(mpidr, 0); + axg_pm_reset(mpidr, 0); + + dmbsy(); + wfi(); + + ERROR("BL31: PSCI_SYSTEM_OFF: Operation not handled\n"); + panic(); +} + +static int32_t axg_pwr_domain_on(u_register_t mpidr) +{ + axg_pm_set_reset_addr(mpidr, axg_sec_entrypoint); + aml_scpi_set_css_power_state(mpidr, + SCPI_POWER_ON, SCPI_POWER_ON, SCPI_POWER_ON); + dmbsy(); + sev(); + + return PSCI_E_SUCCESS; +} + +static void axg_pwr_domain_on_finish(const psci_power_state_t *target_state) +{ + assert(target_state->pwr_domain_state[MPIDR_AFFLVL0] == + PLAT_LOCAL_STATE_OFF); + + gicv2_pcpu_distif_init(); + gicv2_cpuif_enable(); + + axg_pm_set_reset_addr(read_mpidr_el1(), 0); +} + +static void axg_pwr_domain_off(const psci_power_state_t *target_state) +{ + u_register_t mpidr = read_mpidr_el1(); + uint32_t system_state = SCPI_POWER_ON; + uint32_t cluster_state = SCPI_POWER_ON; + + assert(target_state->pwr_domain_state[MPIDR_AFFLVL0] == + PLAT_LOCAL_STATE_OFF); + + axg_pm_reset(mpidr, -1); + + gicv2_cpuif_disable(); + + if (target_state->pwr_domain_state[MPIDR_AFFLVL2] == + PLAT_LOCAL_STATE_OFF) + system_state = SCPI_POWER_OFF; + + if (target_state->pwr_domain_state[MPIDR_AFFLVL1] == + PLAT_LOCAL_STATE_OFF) + cluster_state = SCPI_POWER_OFF; + + + aml_scpi_set_css_power_state(mpidr, + SCPI_POWER_OFF, cluster_state, + system_state); +} + +static void __dead2 axg_pwr_domain_pwr_down_wfi(const psci_power_state_t + *target_state) +{ + dsbsy(); + axg_pm_reset(read_mpidr_el1(), 0); + + for (;;) + wfi(); +} + +/******************************************************************************* + * Platform handlers and setup function. + ******************************************************************************/ +static const plat_psci_ops_t axg_ops = { + .pwr_domain_on = axg_pwr_domain_on, + .pwr_domain_on_finish = axg_pwr_domain_on_finish, + .pwr_domain_off = axg_pwr_domain_off, + .pwr_domain_pwr_down_wfi = axg_pwr_domain_pwr_down_wfi, + .system_off = axg_system_off, + .system_reset = axg_system_reset +}; + +int plat_setup_psci_ops(uintptr_t sec_entrypoint, + const plat_psci_ops_t **psci_ops) +{ + axg_sec_entrypoint = sec_entrypoint; + *psci_ops = &axg_ops; + return 0; +} diff --git a/plat/amlogic/axg/include/platform_def.h b/plat/amlogic/axg/include/platform_def.h new file mode 100644 index 0000000..c97687e --- /dev/null +++ b/plat/amlogic/axg/include/platform_def.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2020, Arm Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef PLATFORM_DEF_H +#define PLATFORM_DEF_H + +#include <arch.h> +#include <lib/utils_def.h> + +#include "../axg_def.h" + +#define PLATFORM_LINKER_FORMAT "elf64-littleaarch64" +#define PLATFORM_LINKER_ARCH aarch64 + +#define PLATFORM_STACK_SIZE UL(0x1000) + +#define PLATFORM_MAX_CPUS_PER_CLUSTER U(4) +#define PLATFORM_CLUSTER_COUNT U(1) +#define PLATFORM_CLUSTER0_CORE_COUNT PLATFORM_MAX_CPUS_PER_CLUSTER +#define PLATFORM_CORE_COUNT PLATFORM_CLUSTER0_CORE_COUNT + +#define AML_PRIMARY_CPU U(0) + +#define PLAT_MAX_PWR_LVL MPIDR_AFFLVL2 +#define PLAT_NUM_PWR_DOMAINS (PLATFORM_CLUSTER_COUNT + \ + PLATFORM_CORE_COUNT) + +#define PLAT_MAX_RET_STATE U(1) +#define PLAT_MAX_OFF_STATE U(2) + +#define PLAT_SYS_CPU_CFG7 (U(1) << 25) +#define PLAT_AO_TIMESTAMP_CNTL U(0x1ff) + +/* Local power state for power domains in Run state. */ +#define PLAT_LOCAL_STATE_RUN U(0) +/* Local power state for retention. Valid only for CPU power domains */ +#define PLAT_LOCAL_STATE_RET U(1) +/* Local power state for power-down. Valid for CPU and cluster power domains. */ +#define PLAT_LOCAL_STATE_OFF U(2) + +/* + * Macros used to parse state information from State-ID if it is using the + * recommended encoding for State-ID. + */ +#define PLAT_LOCAL_PSTATE_WIDTH U(4) +#define PLAT_LOCAL_PSTATE_MASK ((U(1) << PLAT_LOCAL_PSTATE_WIDTH) - 1) + +/* + * Some data must be aligned on the biggest cache line size in the platform. + * This is known only to the platform as it might have a combination of + * integrated and external caches. + */ +#define CACHE_WRITEBACK_SHIFT U(6) +#define CACHE_WRITEBACK_GRANULE (U(1) << CACHE_WRITEBACK_SHIFT) + +/* Memory-related defines */ +#define PLAT_PHY_ADDR_SPACE_SIZE (ULL(1) << 32) +#define PLAT_VIRT_ADDR_SPACE_SIZE (ULL(1) << 32) + +#define MAX_MMAP_REGIONS 16 +#define MAX_XLAT_TABLES 8 + +#endif /* PLATFORM_DEF_H */ diff --git a/plat/amlogic/axg/platform.mk b/plat/amlogic/axg/platform.mk new file mode 100644 index 0000000..3560b0c --- /dev/null +++ b/plat/amlogic/axg/platform.mk @@ -0,0 +1,95 @@ +# +# Copyright (c) 2020, ARM Limited and Contributors. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +include lib/xlat_tables_v2/xlat_tables.mk + +AML_PLAT := plat/amlogic +AML_PLAT_SOC := ${AML_PLAT}/${PLAT} +AML_PLAT_COMMON := ${AML_PLAT}/common + +DOIMAGEPATH ?= tools/amlogic +DOIMAGETOOL ?= ${DOIMAGEPATH}/doimage + +PLAT_INCLUDES := -Iinclude/drivers/amlogic/ \ + -I${AML_PLAT_SOC}/include \ + -I${AML_PLAT_COMMON}/include + +GIC_SOURCES := drivers/arm/gic/common/gic_common.c \ + drivers/arm/gic/v2/gicv2_main.c \ + drivers/arm/gic/v2/gicv2_helpers.c \ + plat/common/plat_gicv2.c + +BL31_SOURCES += lib/cpus/aarch64/cortex_a53.S \ + plat/common/plat_psci_common.c \ + drivers/amlogic/console/aarch64/meson_console.S \ + ${AML_PLAT_SOC}/${PLAT}_bl31_setup.c \ + ${AML_PLAT_SOC}/${PLAT}_pm.c \ + ${AML_PLAT_SOC}/${PLAT}_common.c \ + ${AML_PLAT_COMMON}/aarch64/aml_helpers.S \ + ${AML_PLAT_COMMON}/aml_efuse.c \ + ${AML_PLAT_COMMON}/aml_mhu.c \ + ${AML_PLAT_COMMON}/aml_scpi.c \ + ${AML_PLAT_COMMON}/aml_sip_svc.c \ + ${AML_PLAT_COMMON}/aml_thermal.c \ + ${AML_PLAT_COMMON}/aml_topology.c \ + ${AML_PLAT_COMMON}/aml_console.c \ + drivers/amlogic/crypto/sha_dma.c \ + ${XLAT_TABLES_LIB_SRCS} \ + ${GIC_SOURCES} + +# Tune compiler for Cortex-A53 +ifeq ($(notdir $(CC)),armclang) + TF_CFLAGS_aarch64 += -mcpu=cortex-a53 +else ifneq ($(findstring clang,$(notdir $(CC))),) + TF_CFLAGS_aarch64 += -mcpu=cortex-a53 +else + TF_CFLAGS_aarch64 += -mtune=cortex-a53 +endif + +# Build config flags +# ------------------ + +# Enable all errata workarounds for Cortex-A53 +ERRATA_A53_855873 := 1 +ERRATA_A53_819472 := 1 +ERRATA_A53_824069 := 1 +ERRATA_A53_827319 := 1 + +WORKAROUND_CVE_2017_5715 := 0 + +# Have different sections for code and rodata +SEPARATE_CODE_AND_RODATA := 1 + +# Use Coherent memory +USE_COHERENT_MEM := 1 + +AML_USE_ATOS := 0 +$(eval $(call assert_boolean,AML_USE_ATOS)) +$(eval $(call add_define,AML_USE_ATOS)) + +# Verify build config +# ------------------- + +ifneq (${RESET_TO_BL31}, 0) + $(error Error: ${PLAT} needs RESET_TO_BL31=0) +endif + +ifeq (${ARCH},aarch32) + $(error Error: AArch32 not supported on ${PLAT}) +endif + +all: ${BUILD_PLAT}/bl31.img +distclean realclean clean: cleanimage + +cleanimage: + ${Q}${MAKE} -C ${DOIMAGEPATH} clean + +${DOIMAGETOOL}: + ${Q}${MAKE} -C ${DOIMAGEPATH} + +${BUILD_PLAT}/bl31.img: ${BUILD_PLAT}/bl31.bin ${DOIMAGETOOL} + ${DOIMAGETOOL} ${BUILD_PLAT}/bl31.bin ${BUILD_PLAT}/bl31.img + diff --git a/plat/amlogic/common/aarch64/aml_helpers.S b/plat/amlogic/common/aarch64/aml_helpers.S new file mode 100644 index 0000000..159c7d1 --- /dev/null +++ b/plat/amlogic/common/aarch64/aml_helpers.S @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <assert_macros.S> +#include <platform_def.h> + + .globl plat_crash_console_flush + .globl plat_crash_console_init + .globl plat_crash_console_putc + .globl platform_mem_init + .globl plat_is_my_cpu_primary + .globl plat_my_core_pos + .globl plat_reset_handler + .globl plat_calc_core_pos + + /* ----------------------------------------------------- + * unsigned int plat_my_core_pos(void); + * ----------------------------------------------------- + */ +func plat_my_core_pos + mrs x0, mpidr_el1 + b plat_calc_core_pos +endfunc plat_my_core_pos + + /* ----------------------------------------------------- + * unsigned int plat_calc_core_pos(u_register_t mpidr); + * ----------------------------------------------------- + */ +func plat_calc_core_pos + and x0, x0, #MPIDR_CPU_MASK + ret +endfunc plat_calc_core_pos + + /* ----------------------------------------------------- + * unsigned int plat_is_my_cpu_primary(void); + * ----------------------------------------------------- + */ +func plat_is_my_cpu_primary + mrs x0, mpidr_el1 + and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK) + cmp x0, #AML_PRIMARY_CPU + cset w0, eq + ret +endfunc plat_is_my_cpu_primary + + /* --------------------------------------------- + * void platform_mem_init(void); + * --------------------------------------------- + */ +func platform_mem_init + ret +endfunc platform_mem_init + + /* --------------------------------------------- + * int plat_crash_console_init(void) + * --------------------------------------------- + */ +func plat_crash_console_init + mov_imm x0, AML_UART0_AO_BASE + mov_imm x1, AML_UART0_AO_CLK_IN_HZ + mov_imm x2, AML_UART_BAUDRATE + b console_meson_init +endfunc plat_crash_console_init + + /* --------------------------------------------- + * int plat_crash_console_putc(int c) + * Clobber list : x1, x2 + * --------------------------------------------- + */ +func plat_crash_console_putc + mov_imm x1, AML_UART0_AO_BASE + b console_meson_core_putc +endfunc plat_crash_console_putc + + /* --------------------------------------------- + * void plat_crash_console_flush() + * Out : void. + * Clobber list : x0, x1 + * --------------------------------------------- + */ +func plat_crash_console_flush + mov_imm x0, AML_UART0_AO_BASE + b console_meson_core_flush +endfunc plat_crash_console_flush + + /* --------------------------------------------- + * void plat_reset_handler(void); + * --------------------------------------------- + */ +func plat_reset_handler + ret +endfunc plat_reset_handler diff --git a/plat/amlogic/common/aml_console.c b/plat/amlogic/common/aml_console.c new file mode 100644 index 0000000..e21d707 --- /dev/null +++ b/plat/amlogic/common/aml_console.c @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2019, Carlo Caione <ccaione@baylibre.com> + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <common/debug.h> +#include <meson_console.h> +#include <platform_def.h> + +/******************************************************************************* + * Function that sets up the console + ******************************************************************************/ +static console_t aml_console; + +void aml_console_init(void) +{ + int rc = console_meson_register(AML_UART0_AO_BASE, + AML_UART0_AO_CLK_IN_HZ, + AML_UART_BAUDRATE, + &aml_console); + if (rc == 0) { + /* + * The crash console doesn't use the multi console API, it uses + * the core console functions directly. It is safe to call panic + * and let it print debug information. + */ + panic(); + } + + console_set_scope(&aml_console, + CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME); +} diff --git a/plat/amlogic/common/aml_efuse.c b/plat/amlogic/common/aml_efuse.c new file mode 100644 index 0000000..00884eb --- /dev/null +++ b/plat/amlogic/common/aml_efuse.c @@ -0,0 +1,25 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <stdint.h> + +#include "aml_private.h" + +#define EFUSE_BASE 0x140 +#define EFUSE_SIZE 0xC0 + +uint64_t aml_efuse_read(void *dst, uint32_t offset, uint32_t size) +{ + if ((uint64_t)(offset + size) > (uint64_t)EFUSE_SIZE) + return 0; + + return aml_scpi_efuse_read(dst, offset + EFUSE_BASE, size); +} + +uint64_t aml_efuse_user_max(void) +{ + return EFUSE_SIZE; +} diff --git a/plat/amlogic/common/aml_mhu.c b/plat/amlogic/common/aml_mhu.c new file mode 100644 index 0000000..001686a --- /dev/null +++ b/plat/amlogic/common/aml_mhu.c @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <lib/bakery_lock.h> +#include <lib/mmio.h> +#include <platform_def.h> + +static DEFINE_BAKERY_LOCK(mhu_lock); + +void aml_mhu_secure_message_start(void) +{ + bakery_lock_get(&mhu_lock); + + while (mmio_read_32(AML_HIU_MAILBOX_STAT_3) != 0) + ; +} + +void aml_mhu_secure_message_send(uint32_t msg) +{ + mmio_write_32(AML_HIU_MAILBOX_SET_3, msg); + + while (mmio_read_32(AML_HIU_MAILBOX_STAT_3) != 0) + ; +} + +uint32_t aml_mhu_secure_message_wait(void) +{ + uint32_t val; + + do { + val = mmio_read_32(AML_HIU_MAILBOX_STAT_0); + } while (val == 0); + + return val; +} + +void aml_mhu_secure_message_end(void) +{ + mmio_write_32(AML_HIU_MAILBOX_CLR_0, 0xFFFFFFFF); + + bakery_lock_release(&mhu_lock); +} + +void aml_mhu_secure_init(void) +{ + bakery_lock_init(&mhu_lock); + + mmio_write_32(AML_HIU_MAILBOX_CLR_3, 0xFFFFFFFF); +} diff --git a/plat/amlogic/common/aml_scpi.c b/plat/amlogic/common/aml_scpi.c new file mode 100644 index 0000000..c8a6772 --- /dev/null +++ b/plat/amlogic/common/aml_scpi.c @@ -0,0 +1,234 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> +#include <crypto/sha_dma.h> +#include <lib/mmio.h> +#include <plat/common/platform.h> +#include <platform_def.h> +#include <string.h> + +#include "aml_private.h" + +#define SIZE_SHIFT 20 +#define SIZE_MASK 0x1FF +#define SIZE_FWBLK 0x200UL + +/* + * Note: The Amlogic SCP firmware uses the legacy SCPI protocol. + */ +#define SCPI_CMD_SET_CSS_POWER_STATE 0x04 +#define SCPI_CMD_SET_SYS_POWER_STATE 0x08 + +#define SCPI_CMD_JTAG_SET_STATE 0xC0 +#define SCPI_CMD_EFUSE_READ 0xC2 +#define SCPI_CMD_CHIP_ID 0xC6 + +#define SCPI_CMD_COPY_FW 0xd4 +#define SCPI_CMD_SET_FW_ADDR 0xd3 +#define SCPI_CMD_FW_SIZE 0xd2 + +static inline uint32_t aml_scpi_cmd(uint32_t command, uint32_t size) +{ + return command | (size << SIZE_SHIFT); +} + +static void aml_scpi_secure_message_send(uint32_t command, uint32_t size) +{ + aml_mhu_secure_message_send(aml_scpi_cmd(command, size)); +} + +static uint32_t aml_scpi_secure_message_receive(void **message_out, size_t *size_out) +{ + uint32_t response = aml_mhu_secure_message_wait(); + + size_t size = (response >> SIZE_SHIFT) & SIZE_MASK; + + response &= ~(SIZE_MASK << SIZE_SHIFT); + + if (size_out != NULL) + *size_out = size; + + if (message_out != NULL) + *message_out = (void *)AML_MHU_SECURE_SCP_TO_AP_PAYLOAD; + + return response; +} + +void aml_scpi_set_css_power_state(u_register_t mpidr, uint32_t cpu_state, + uint32_t cluster_state, uint32_t css_state) +{ + uint32_t state = (mpidr & 0x0F) | /* CPU ID */ + ((mpidr & 0xF00) >> 4) | /* Cluster ID */ + (cpu_state << 8) | + (cluster_state << 12) | + (css_state << 16); + + aml_mhu_secure_message_start(); + mmio_write_32(AML_MHU_SECURE_AP_TO_SCP_PAYLOAD, state); + aml_mhu_secure_message_send(aml_scpi_cmd(SCPI_CMD_SET_CSS_POWER_STATE, 4)); + aml_mhu_secure_message_wait(); + aml_mhu_secure_message_end(); +} + +uint32_t aml_scpi_sys_power_state(uint64_t system_state) +{ + uint32_t *response; + size_t size; + + aml_mhu_secure_message_start(); + mmio_write_8(AML_MHU_SECURE_AP_TO_SCP_PAYLOAD, system_state); + aml_mhu_secure_message_send(aml_scpi_cmd(SCPI_CMD_SET_SYS_POWER_STATE, 1)); + aml_scpi_secure_message_receive((void *)&response, &size); + aml_mhu_secure_message_end(); + + return *response; +} + +void aml_scpi_jtag_set_state(uint32_t state, uint8_t select) +{ + assert(state <= AML_JTAG_STATE_OFF); + + if (select > AML_JTAG_A53_EE) { + WARN("BL31: Invalid JTAG select (0x%x).\n", select); + return; + } + + aml_mhu_secure_message_start(); + mmio_write_32(AML_MHU_SECURE_AP_TO_SCP_PAYLOAD, + (state << 8) | (uint32_t)select); + aml_mhu_secure_message_send(aml_scpi_cmd(SCPI_CMD_JTAG_SET_STATE, 4)); + aml_mhu_secure_message_wait(); + aml_mhu_secure_message_end(); +} + +uint32_t aml_scpi_efuse_read(void *dst, uint32_t base, uint32_t size) +{ + uint32_t *response; + size_t resp_size; + + if (size > 0x1FC) + return 0; + + aml_mhu_secure_message_start(); + mmio_write_32(AML_MHU_SECURE_AP_TO_SCP_PAYLOAD, base); + mmio_write_32(AML_MHU_SECURE_AP_TO_SCP_PAYLOAD + 4, size); + aml_mhu_secure_message_send(aml_scpi_cmd(SCPI_CMD_EFUSE_READ, 8)); + aml_scpi_secure_message_receive((void *)&response, &resp_size); + aml_mhu_secure_message_end(); + + /* + * response[0] is the size of the response message. + * response[1 ... N] are the contents. + */ + if (*response != 0) + memcpy(dst, response + 1, *response); + + return *response; +} + +void aml_scpi_unknown_thermal(uint32_t arg0, uint32_t arg1, + uint32_t arg2, uint32_t arg3) +{ + aml_mhu_secure_message_start(); + mmio_write_32(AML_MHU_SECURE_AP_TO_SCP_PAYLOAD + 0x0, arg0); + mmio_write_32(AML_MHU_SECURE_AP_TO_SCP_PAYLOAD + 0x4, arg1); + mmio_write_32(AML_MHU_SECURE_AP_TO_SCP_PAYLOAD + 0x8, arg2); + mmio_write_32(AML_MHU_SECURE_AP_TO_SCP_PAYLOAD + 0xC, arg3); + aml_mhu_secure_message_send(aml_scpi_cmd(0xC3, 16)); + aml_mhu_secure_message_wait(); + aml_mhu_secure_message_end(); +} + +uint32_t aml_scpi_get_chip_id(uint8_t *obuff, uint32_t osize) +{ + uint32_t *response; + size_t resp_size; + + if ((osize != 16) && (osize != 12)) + return 0; + + aml_mhu_secure_message_start(); + aml_mhu_secure_message_send(aml_scpi_cmd(SCPI_CMD_CHIP_ID, osize)); + aml_scpi_secure_message_receive((void *)&response, &resp_size); + aml_mhu_secure_message_end(); + + if (!((resp_size == 16) && (osize == 16)) && + !((resp_size == 0) && (osize == 12))) + return 0; + + memcpy((void *)obuff, (const void *)response, osize); + + return osize; +} + +static inline void aml_scpi_copy_scp_data(uint8_t *data, size_t len) +{ + void *dst = (void *)AML_MHU_SECURE_AP_TO_SCP_PAYLOAD; + size_t sz; + + mmio_write_32(AML_MHU_SECURE_AP_TO_SCP_PAYLOAD, len); + aml_scpi_secure_message_send(SCPI_CMD_FW_SIZE, len); + aml_mhu_secure_message_wait(); + + for (sz = 0; sz < len; sz += SIZE_FWBLK) { + memcpy(dst, data + sz, MIN(SIZE_FWBLK, len - sz)); + aml_mhu_secure_message_send(SCPI_CMD_COPY_FW); + } +} + +static inline void aml_scpi_set_scp_addr(uint64_t addr, size_t len) +{ + volatile uint64_t *dst = (uint64_t *)AML_MHU_SECURE_AP_TO_SCP_PAYLOAD; + + /* + * It is ok as AML_MHU_SECURE_AP_TO_SCP_PAYLOAD is mapped as + * non cachable + */ + *dst = addr; + aml_scpi_secure_message_send(SCPI_CMD_SET_FW_ADDR, sizeof(addr)); + aml_mhu_secure_message_wait(); + + mmio_write_32(AML_MHU_SECURE_AP_TO_SCP_PAYLOAD, len); + aml_scpi_secure_message_send(SCPI_CMD_FW_SIZE, len); + aml_mhu_secure_message_wait(); +} + +static inline void aml_scpi_send_fw_hash(uint8_t hash[], size_t len) +{ + void *dst = (void *)AML_MHU_SECURE_AP_TO_SCP_PAYLOAD; + + memcpy(dst, hash, len); + aml_mhu_secure_message_send(0xd0); + aml_mhu_secure_message_send(0xd1); + aml_mhu_secure_message_send(0xd5); + aml_mhu_secure_message_end(); +} + +/** + * Upload a FW to SCP. + * + * @param addr: firmware data address + * @param size: size of firmware + * @param send: If set, actually copy the firmware in SCP memory otherwise only + * send the firmware address. + */ +void aml_scpi_upload_scp_fw(uintptr_t addr, size_t size, int send) +{ + struct asd_ctx ctx; + + asd_sha_init(&ctx, ASM_SHA256); + asd_sha_update(&ctx, (void *)addr, size); + asd_sha_finalize(&ctx); + + aml_mhu_secure_message_start(); + if (send == 0) + aml_scpi_set_scp_addr(addr, size); + else + aml_scpi_copy_scp_data((void *)addr, size); + + aml_scpi_send_fw_hash(ctx.digest, sizeof(ctx.digest)); +} diff --git a/plat/amlogic/common/aml_sip_svc.c b/plat/amlogic/common/aml_sip_svc.c new file mode 100644 index 0000000..ab4c015 --- /dev/null +++ b/plat/amlogic/common/aml_sip_svc.c @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <common/debug.h> +#include <common/runtime_svc.h> +#include <lib/mmio.h> +#include <platform_def.h> +#include <stdint.h> +#include <string.h> + +#include "aml_private.h" + +struct aml_cpu_info { + uint32_t version; + uint8_t chip_id[16]; +}; + +static int aml_sip_get_chip_id(uint64_t version) +{ + struct aml_cpu_info *info = (void *)AML_SHARE_MEM_OUTPUT_BASE; + uint32_t size; + + if (version > 2) + return -1; + + memset(info, 0, sizeof(struct aml_cpu_info)); + + if (version == 2) { + info->version = 2; + size = 16; + } else { + info->version = 1; + size = 12; + } + + if (aml_scpi_get_chip_id(info->chip_id, size) == 0) + return -1; + + return 0; +} + +/******************************************************************************* + * This function is responsible for handling all SiP calls + ******************************************************************************/ +static uintptr_t aml_sip_handler(uint32_t smc_fid, + u_register_t x1, u_register_t x2, + u_register_t x3, u_register_t x4, + void *cookie, void *handle, + u_register_t flags) +{ + switch (smc_fid) { + + case AML_SM_GET_SHARE_MEM_INPUT_BASE: + SMC_RET1(handle, AML_SHARE_MEM_INPUT_BASE); + + case AML_SM_GET_SHARE_MEM_OUTPUT_BASE: + SMC_RET1(handle, AML_SHARE_MEM_OUTPUT_BASE); + + case AML_SM_EFUSE_READ: + { + void *dst = (void *)AML_SHARE_MEM_OUTPUT_BASE; + uint64_t ret = aml_efuse_read(dst, (uint32_t)x1, x2); + + SMC_RET1(handle, ret); + } + case AML_SM_EFUSE_USER_MAX: + SMC_RET1(handle, aml_efuse_user_max()); + + case AML_SM_JTAG_ON: + aml_scpi_jtag_set_state(AML_JTAG_STATE_ON, x1); + SMC_RET1(handle, 0); + + case AML_SM_JTAG_OFF: + aml_scpi_jtag_set_state(AML_JTAG_STATE_OFF, x1); + SMC_RET1(handle, 0); + + case AML_SM_GET_CHIP_ID: + SMC_RET1(handle, aml_sip_get_chip_id(x1)); + + default: + ERROR("BL31: Unhandled SIP SMC: 0x%08x\n", smc_fid); + break; + } + + SMC_RET1(handle, SMC_UNK); +} + +DECLARE_RT_SVC( + aml_sip_handler, + + OEN_SIP_START, + OEN_SIP_END, + SMC_TYPE_FAST, + NULL, + aml_sip_handler +); diff --git a/plat/amlogic/common/aml_thermal.c b/plat/amlogic/common/aml_thermal.c new file mode 100644 index 0000000..53ed103 --- /dev/null +++ b/plat/amlogic/common/aml_thermal.c @@ -0,0 +1,27 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <stdint.h> + +#include "aml_private.h" + +static int32_t modules_initialized = -1; + +/******************************************************************************* + * Unknown commands related to something thermal-related + ******************************************************************************/ +void aml_thermal_unknown(void) +{ + uint16_t ret; + + if (modules_initialized == -1) { + aml_scpi_efuse_read(&ret, 0, 2); + modules_initialized = ret; + } + + aml_scpi_unknown_thermal(10, 2, /* thermal */ + 13, 1); /* thermalver */ +} diff --git a/plat/amlogic/common/aml_topology.c b/plat/amlogic/common/aml_topology.c new file mode 100644 index 0000000..0a04c11 --- /dev/null +++ b/plat/amlogic/common/aml_topology.c @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <platform_def.h> +#include <stdint.h> + +#include "aml_private.h" + +/* The power domain tree descriptor */ +static unsigned char power_domain_tree_desc[] = { + /* Number of root nodes */ + PLATFORM_CLUSTER_COUNT, + /* Number of children for the first node */ + PLATFORM_CLUSTER0_CORE_COUNT +}; + +/******************************************************************************* + * This function returns the ARM default topology tree information. + ******************************************************************************/ +const unsigned char *plat_get_power_domain_tree_desc(void) +{ + return power_domain_tree_desc; +} + +/******************************************************************************* + * This function implements a part of the critical interface between the psci + * generic layer and the platform that allows the former to query the platform + * to convert an MPIDR to a unique linear index. An error code (-1) is returned + * in case the MPIDR is invalid. + ******************************************************************************/ +int plat_core_pos_by_mpidr(u_register_t mpidr) +{ + unsigned int cluster_id, cpu_id; + + mpidr &= MPIDR_AFFINITY_MASK; + if (mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)) + return -1; + + cluster_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK; + cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK; + + if (cluster_id >= PLATFORM_CLUSTER_COUNT) + return -1; + + if (cpu_id >= PLATFORM_MAX_CPUS_PER_CLUSTER) + return -1; + + return plat_calc_core_pos(mpidr); +} diff --git a/plat/amlogic/common/include/aml_private.h b/plat/amlogic/common/include/aml_private.h new file mode 100644 index 0000000..724f382 --- /dev/null +++ b/plat/amlogic/common/include/aml_private.h @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef AML_PRIVATE_H +#define AML_PRIVATE_H + +#include <stddef.h> +#include <stdint.h> + +/* Utility functions */ +unsigned int plat_calc_core_pos(u_register_t mpidr); +void aml_console_init(void); +void aml_setup_page_tables(void); + +/* MHU functions */ +void aml_mhu_secure_message_start(void); +void aml_mhu_secure_message_send(uint32_t msg); +uint32_t aml_mhu_secure_message_wait(void); +void aml_mhu_secure_message_end(void); +void aml_mhu_secure_init(void); + +/* SCPI functions */ +void aml_scpi_set_css_power_state(u_register_t mpidr, uint32_t cpu_state, + uint32_t cluster_state, uint32_t css_state); +uint32_t aml_scpi_sys_power_state(uint64_t system_state); +void aml_scpi_jtag_set_state(uint32_t state, uint8_t select); +uint32_t aml_scpi_efuse_read(void *dst, uint32_t base, uint32_t size); +void aml_scpi_unknown_thermal(uint32_t arg0, uint32_t arg1, + uint32_t arg2, uint32_t arg3); +void aml_scpi_upload_scp_fw(uintptr_t addr, size_t size, int send); +uint32_t aml_scpi_get_chip_id(uint8_t *obuff, uint32_t osize); + +/* Peripherals */ +void aml_thermal_unknown(void); +uint64_t aml_efuse_read(void *dst, uint32_t offset, uint32_t size); +uint64_t aml_efuse_user_max(void); + +#endif /* AML_PRIVATE_H */ diff --git a/plat/amlogic/common/include/plat_macros.S b/plat/amlogic/common/include/plat_macros.S new file mode 100644 index 0000000..d620fcf --- /dev/null +++ b/plat/amlogic/common/include/plat_macros.S @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef PLAT_MACROS_S +#define PLAT_MACROS_S + +#include <drivers/arm/gicv2.h> +#include <platform_def.h> + +.section .rodata.gic_reg_name, "aS" + +gicc_regs: + .asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", "" +gicd_pend_reg: + .asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n Offset:\t\t\tvalue\n" +newline: + .asciz "\n" +spacer: + .asciz ":\t\t0x" + + /* --------------------------------------------- + * The below required platform porting macro + * prints out relevant GIC and CCI registers + * whenever an unhandled exception is taken in + * BL31. + * Clobbers: x0 - x10, x16, x17, sp + * --------------------------------------------- + */ + .macro plat_crash_print_regs + + /* GICC registers */ + + mov_imm x17, AML_GICC_BASE + + adr x6, gicc_regs + ldr w8, [x17, #GICC_HPPIR] + ldr w9, [x17, #GICC_AHPPIR] + ldr w10, [x17, #GICC_CTLR] + bl str_in_crash_buf_print + + /* GICD registers */ + + mov_imm x16, AML_GICD_BASE + + add x7, x16, #GICD_ISPENDR + adr x4, gicd_pend_reg + bl asm_print_str + +gicd_ispendr_loop: + sub x4, x7, x16 + cmp x4, #0x280 + b.eq exit_print_gic_regs + bl asm_print_hex + + adr x4, spacer + bl asm_print_str + + ldr x4, [x7], #8 + bl asm_print_hex + + adr x4, newline + bl asm_print_str + b gicd_ispendr_loop +exit_print_gic_regs: + + .endm + +#endif /* PLAT_MACROS_S */ diff --git a/plat/amlogic/g12a/g12a_bl31_setup.c b/plat/amlogic/g12a/g12a_bl31_setup.c new file mode 100644 index 0000000..77057a1 --- /dev/null +++ b/plat/amlogic/g12a/g12a_bl31_setup.c @@ -0,0 +1,142 @@ +/* + * Copyright (c) 2019, 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 <lib/mmio.h> +#include <lib/xlat_tables/xlat_mmu_helpers.h> +#include <plat/common/platform.h> +#include <platform_def.h> + +#include "aml_private.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 image_info_t bl30_image_info; +static image_info_t bl301_image_info; + +/******************************************************************************* + * 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; + + next_image_info = (type == NON_SECURE) ? + &bl33_image_ep_info : &bl32_image_ep_info; + + /* None of the images can have 0x0 as the entrypoint. */ + if (next_image_info->pc != 0U) + return next_image_info; + + return NULL; +} + +/******************************************************************************* + * Perform any BL31 early platform setup. Here is an opportunity to copy + * parameters passed by the calling EL (S-EL1 in BL2 & S-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. + ******************************************************************************/ +struct g12a_bl31_param { + param_header_t h; + image_info_t *bl31_image_info; + entry_point_info_t *bl32_ep_info; + image_info_t *bl32_image_info; + entry_point_info_t *bl33_ep_info; + image_info_t *bl33_image_info; + image_info_t *scp_image_info[]; +}; + +void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, + u_register_t arg2, u_register_t arg3) +{ + struct g12a_bl31_param *from_bl2; + + /* Initialize the console to provide early debug support */ + aml_console_init(); + + from_bl2 = (struct g12a_bl31_param *)arg0; + + /* Check params passed from BL2 are not NULL. */ + assert(from_bl2 != NULL); + assert(from_bl2->h.type == PARAM_BL31); + assert(from_bl2->h.version >= VERSION_1); + + /* + * Copy BL32 and BL33 entry point information. It is stored in Secure + * RAM, in BL2's address space. + */ + bl32_image_ep_info = *from_bl2->bl32_ep_info; + bl33_image_ep_info = *from_bl2->bl33_ep_info; + + if (bl33_image_ep_info.pc == 0U) { + ERROR("BL31: BL33 entrypoint not obtained from BL2\n"); + panic(); + } + + bl30_image_info = *from_bl2->scp_image_info[0]; + bl301_image_info = *from_bl2->scp_image_info[1]; +} + +void bl31_plat_arch_setup(void) +{ + aml_setup_page_tables(); + + enable_mmu_el3(0); +} + +/******************************************************************************* + * GICv2 driver setup information + ******************************************************************************/ +static const interrupt_prop_t g12a_interrupt_props[] = { + INTR_PROP_DESC(IRQ_SEC_PHY_TIMER, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_0, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_1, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_2, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_3, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_4, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_5, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_6, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_7, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL) +}; + +static const gicv2_driver_data_t g12a_gic_data = { + .gicd_base = AML_GICD_BASE, + .gicc_base = AML_GICC_BASE, + .interrupt_props = g12a_interrupt_props, + .interrupt_props_num = ARRAY_SIZE(g12a_interrupt_props) +}; + +void bl31_platform_setup(void) +{ + aml_mhu_secure_init(); + + gicv2_driver_init(&g12a_gic_data); + gicv2_distif_init(); + gicv2_pcpu_distif_init(); + gicv2_cpuif_enable(); +} diff --git a/plat/amlogic/g12a/g12a_common.c b/plat/amlogic/g12a/g12a_common.c new file mode 100644 index 0000000..e74ed04 --- /dev/null +++ b/plat/amlogic/g12a/g12a_common.c @@ -0,0 +1,125 @@ +/* + * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> +#include <bl31/interrupt_mgmt.h> +#include <common/bl_common.h> +#include <common/ep_info.h> +#include <lib/mmio.h> +#include <lib/xlat_tables/xlat_tables_v2.h> +#include <platform_def.h> +#include <stdint.h> + +/******************************************************************************* + * Platform memory map regions + ******************************************************************************/ +#define MAP_NSDRAM0 MAP_REGION_FLAT(AML_NSDRAM0_BASE, \ + AML_NSDRAM0_SIZE, \ + MT_MEMORY | MT_RW | MT_NS) + +#define MAP_NS_SHARE_MEM MAP_REGION_FLAT(AML_NS_SHARE_MEM_BASE, \ + AML_NS_SHARE_MEM_SIZE, \ + MT_MEMORY | MT_RW | MT_NS) + +#define MAP_SEC_SHARE_MEM MAP_REGION_FLAT(AML_SEC_SHARE_MEM_BASE, \ + AML_SEC_SHARE_MEM_SIZE, \ + MT_MEMORY | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE0 MAP_REGION_FLAT(AML_SEC_DEVICE0_BASE, \ + AML_SEC_DEVICE0_SIZE, \ + MT_DEVICE | MT_RW) + +#define MAP_HDCP_RX MAP_REGION_FLAT(AML_HDCP_RX_BASE, \ + AML_HDCP_RX_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_HDCP_TX MAP_REGION_FLAT(AML_HDCP_TX_BASE, \ + AML_HDCP_TX_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_GIC_DEVICE MAP_REGION_FLAT(AML_GIC_DEVICE_BASE, \ + AML_GIC_DEVICE_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE1 MAP_REGION_FLAT(AML_SEC_DEVICE1_BASE, \ + AML_SEC_DEVICE1_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE2 MAP_REGION_FLAT(AML_SEC_DEVICE2_BASE, \ + AML_SEC_DEVICE2_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_TZRAM MAP_REGION_FLAT(AML_TZRAM_BASE, \ + AML_TZRAM_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +static const mmap_region_t g12a_mmap[] = { + MAP_NSDRAM0, + MAP_NS_SHARE_MEM, + MAP_SEC_SHARE_MEM, + MAP_SEC_DEVICE0, + MAP_HDCP_RX, + MAP_HDCP_TX, + MAP_GIC_DEVICE, + MAP_SEC_DEVICE1, + MAP_SEC_DEVICE2, + MAP_TZRAM, + {0} +}; + +/******************************************************************************* + * Per-image regions + ******************************************************************************/ +#define MAP_BL31 MAP_REGION_FLAT(BL31_BASE, \ + BL31_END - BL31_BASE, \ + MT_MEMORY | MT_RW | MT_SECURE) + +#define MAP_BL_CODE MAP_REGION_FLAT(BL_CODE_BASE, \ + BL_CODE_END - BL_CODE_BASE, \ + MT_CODE | MT_SECURE) + +#define MAP_BL_RO_DATA MAP_REGION_FLAT(BL_RO_DATA_BASE, \ + BL_RO_DATA_END - BL_RO_DATA_BASE, \ + MT_RO_DATA | MT_SECURE) + +#define MAP_BL_COHERENT MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, \ + BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +/******************************************************************************* + * Function that sets up the translation tables. + ******************************************************************************/ +void aml_setup_page_tables(void) +{ +#if IMAGE_BL31 + const mmap_region_t g12a_bl_mmap[] = { + MAP_BL31, + MAP_BL_CODE, + MAP_BL_RO_DATA, +#if USE_COHERENT_MEM + MAP_BL_COHERENT, +#endif + {0} + }; +#endif + + mmap_add(g12a_bl_mmap); + + mmap_add(g12a_mmap); + + init_xlat_tables(); +} + +/******************************************************************************* + * Function that returns the system counter frequency + ******************************************************************************/ +unsigned int plat_get_syscnt_freq2(void) +{ + mmio_clrbits_32(AML_SYS_CPU_CFG7, ~0xFDFFFFFF); + mmio_clrbits_32(AML_AO_TIMESTAMP_CNTL, ~0xFFFFFE00); + + return AML_OSC24M_CLK_IN_HZ; +} diff --git a/plat/amlogic/g12a/g12a_def.h b/plat/amlogic/g12a/g12a_def.h new file mode 100644 index 0000000..d032815 --- /dev/null +++ b/plat/amlogic/g12a/g12a_def.h @@ -0,0 +1,135 @@ +/* + * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef G12A_DEF_H +#define G12A_DEF_H + +#include <lib/utils_def.h> + +/******************************************************************************* + * System oscillator + ******************************************************************************/ +#define AML_OSC24M_CLK_IN_HZ ULL(24000000) /* 24 MHz */ + +/******************************************************************************* + * Memory regions + ******************************************************************************/ +#define AML_HDCP_RX_BASE UL(0xFFE0D000) +#define AML_HDCP_RX_SIZE UL(0x00002000) + +#define AML_HDCP_TX_BASE UL(0xFFE01000) +#define AML_HDCP_TX_SIZE UL(0x00001000) + +#define AML_NS_SHARE_MEM_BASE UL(0x05000000) +#define AML_NS_SHARE_MEM_SIZE UL(0x00100000) + +#define AML_SEC_SHARE_MEM_BASE UL(0x05200000) +#define AML_SEC_SHARE_MEM_SIZE UL(0x00100000) + +#define AML_GIC_DEVICE_BASE UL(0xFFC00000) +#define AML_GIC_DEVICE_SIZE UL(0x00008000) + +#define AML_NSDRAM0_BASE UL(0x01000000) +#define AML_NSDRAM0_SIZE UL(0x0F000000) + +#define BL31_BASE UL(0x05100000) +#define BL31_SIZE UL(0x00100000) +#define BL31_LIMIT (BL31_BASE + BL31_SIZE) + +/* Shared memory used for SMC services */ +#define AML_SHARE_MEM_INPUT_BASE UL(0x050FE000) +#define AML_SHARE_MEM_OUTPUT_BASE UL(0x050FF000) + +#define AML_SEC_DEVICE0_BASE UL(0xFFD00000) +#define AML_SEC_DEVICE0_SIZE UL(0x00026000) + +#define AML_SEC_DEVICE1_BASE UL(0xFF800000) +#define AML_SEC_DEVICE1_SIZE UL(0x0000A000) + +#define AML_TZRAM_BASE UL(0xFFFA0000) +#define AML_TZRAM_SIZE UL(0x00048000) + +/* Mailboxes */ +#define AML_MHU_SECURE_SCP_TO_AP_PAYLOAD UL(0xFFFE7800) +#define AML_MHU_SECURE_AP_TO_SCP_PAYLOAD UL(0xFFFE7A00) +#define AML_PSCI_MAILBOX_BASE UL(0xFFFE7F00) + +#define AML_SEC_DEVICE2_BASE UL(0xFF620000) +#define AML_SEC_DEVICE2_SIZE UL(0x00028000) + +/******************************************************************************* + * GIC-400 and interrupt handling related constants + ******************************************************************************/ +#define AML_GICD_BASE UL(0xFFC01000) +#define AML_GICC_BASE UL(0xFFC02000) + +#define IRQ_SEC_PHY_TIMER 29 + +#define IRQ_SEC_SGI_0 8 +#define IRQ_SEC_SGI_1 9 +#define IRQ_SEC_SGI_2 10 +#define IRQ_SEC_SGI_3 11 +#define IRQ_SEC_SGI_4 12 +#define IRQ_SEC_SGI_5 13 +#define IRQ_SEC_SGI_6 14 +#define IRQ_SEC_SGI_7 15 +#define IRQ_SEC_SGI_8 16 + +/******************************************************************************* + * UART definitions + ******************************************************************************/ +#define AML_UART0_AO_BASE UL(0xFF803000) +#define AML_UART0_AO_CLK_IN_HZ AML_OSC24M_CLK_IN_HZ +#define AML_UART_BAUDRATE U(115200) + +/******************************************************************************* + * Memory-mapped I/O Registers + ******************************************************************************/ +#define AML_AO_TIMESTAMP_CNTL UL(0xFF8000B4) + +#define AML_SYS_CPU_CFG7 UL(0xFF634664) + +#define AML_AO_RTI_STATUS_REG3 UL(0xFF80001C) +#define AML_AO_RTI_SCP_STAT UL(0xFF80023C) +#define AML_AO_RTI_SCP_READY_OFF U(0x14) +#define AML_A0_RTI_SCP_READY_MASK U(3) +#define AML_AO_RTI_SCP_IS_READY(v) \ + ((((v) >> AML_AO_RTI_SCP_READY_OFF) & \ + AML_A0_RTI_SCP_READY_MASK) == AML_A0_RTI_SCP_READY_MASK) + +#define AML_HIU_MAILBOX_SET_0 UL(0xFF63C404) +#define AML_HIU_MAILBOX_STAT_0 UL(0xFF63C408) +#define AML_HIU_MAILBOX_CLR_0 UL(0xFF63C40C) +#define AML_HIU_MAILBOX_SET_3 UL(0xFF63C428) +#define AML_HIU_MAILBOX_STAT_3 UL(0xFF63C42C) +#define AML_HIU_MAILBOX_CLR_3 UL(0xFF63C430) + +#define AML_SHA_DMA_BASE UL(0xFF63E000) +#define AML_SHA_DMA_DESC (AML_SHA_DMA_BASE + 0x08) +#define AML_SHA_DMA_STATUS (AML_SHA_DMA_BASE + 0x28) + +/******************************************************************************* + * System Monitor Call IDs and arguments + ******************************************************************************/ +#define AML_SM_GET_SHARE_MEM_INPUT_BASE U(0x82000020) +#define AML_SM_GET_SHARE_MEM_OUTPUT_BASE U(0x82000021) + +#define AML_SM_EFUSE_READ U(0x82000030) +#define AML_SM_EFUSE_USER_MAX U(0x82000033) + +#define AML_SM_JTAG_ON U(0x82000040) +#define AML_SM_JTAG_OFF U(0x82000041) +#define AML_SM_GET_CHIP_ID U(0x82000044) + +#define AML_JTAG_STATE_ON U(0) +#define AML_JTAG_STATE_OFF U(1) + +#define AML_JTAG_M3_AO U(0) +#define AML_JTAG_M3_EE U(1) +#define AML_JTAG_A53_AO U(2) +#define AML_JTAG_A53_EE U(3) + +#endif /* G12A_DEF_H */ diff --git a/plat/amlogic/g12a/g12a_pm.c b/plat/amlogic/g12a/g12a_pm.c new file mode 100644 index 0000000..c9fe3e9 --- /dev/null +++ b/plat/amlogic/g12a/g12a_pm.c @@ -0,0 +1,215 @@ +/* + * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch_helpers.h> +#include <assert.h> +#include <common/debug.h> +#include <drivers/arm/gicv2.h> +#include <drivers/console.h> +#include <errno.h> +#include <lib/mmio.h> +#include <lib/psci/psci.h> +#include <plat/common/platform.h> +#include <platform_def.h> + +#include "aml_private.h" + +#define SCPI_POWER_ON 0 +#define SCPI_POWER_RETENTION 1 +#define SCPI_POWER_OFF 3 + +#define SCPI_SYSTEM_SHUTDOWN 0 +#define SCPI_SYSTEM_REBOOT 1 + +static uintptr_t g12a_sec_entrypoint; +static volatile uint32_t g12a_cpu0_go; + +static void g12a_pm_set_reset_addr(u_register_t mpidr, uint64_t value) +{ + unsigned int core = plat_calc_core_pos(mpidr); + uintptr_t cpu_mailbox_addr = AML_PSCI_MAILBOX_BASE + (core << 4); + + mmio_write_64(cpu_mailbox_addr, value); +} + +static void g12a_pm_reset(u_register_t mpidr) +{ + unsigned int core = plat_calc_core_pos(mpidr); + uintptr_t cpu_mailbox_addr = AML_PSCI_MAILBOX_BASE + (core << 4) + 8; + + mmio_write_32(cpu_mailbox_addr, 0); +} + +static void __dead2 g12a_system_reset(void) +{ + INFO("BL31: PSCI_SYSTEM_RESET\n"); + + u_register_t mpidr = read_mpidr_el1(); + uint32_t status = mmio_read_32(AML_AO_RTI_STATUS_REG3); + int ret; + + NOTICE("BL31: Reboot reason: 0x%x\n", status); + + status &= 0xFFFF0FF0; + + console_flush(); + + mmio_write_32(AML_AO_RTI_STATUS_REG3, status); + + ret = aml_scpi_sys_power_state(SCPI_SYSTEM_REBOOT); + + if (ret != 0) { + ERROR("BL31: PSCI_SYSTEM_RESET: SCP error: %i\n", ret); + panic(); + } + + g12a_pm_reset(mpidr); + + wfi(); + + ERROR("BL31: PSCI_SYSTEM_RESET: Operation not handled\n"); + panic(); +} + +static void __dead2 g12a_system_off(void) +{ + INFO("BL31: PSCI_SYSTEM_OFF\n"); + + u_register_t mpidr = read_mpidr_el1(); + int ret; + + ret = aml_scpi_sys_power_state(SCPI_SYSTEM_SHUTDOWN); + + if (ret != 0) { + ERROR("BL31: PSCI_SYSTEM_OFF: SCP error %i\n", ret); + panic(); + } + + g12a_pm_set_reset_addr(mpidr, 0); + g12a_pm_reset(mpidr); + + wfi(); + + ERROR("BL31: PSCI_SYSTEM_OFF: Operation not handled\n"); + panic(); +} + +static int32_t g12a_pwr_domain_on(u_register_t mpidr) +{ + unsigned int core = plat_calc_core_pos(mpidr); + + /* CPU0 can't be turned OFF */ + if (core == AML_PRIMARY_CPU) { + VERBOSE("BL31: Releasing CPU0 from wait loop...\n"); + + g12a_cpu0_go = 1; + flush_dcache_range((uintptr_t)&g12a_cpu0_go, + sizeof(g12a_cpu0_go)); + dsb(); + isb(); + + sev(); + + return PSCI_E_SUCCESS; + } + + g12a_pm_set_reset_addr(mpidr, g12a_sec_entrypoint); + aml_scpi_set_css_power_state(mpidr, + SCPI_POWER_ON, SCPI_POWER_ON, SCPI_POWER_ON); + dmbsy(); + sev(); + + return PSCI_E_SUCCESS; +} + +static void g12a_pwr_domain_on_finish(const psci_power_state_t *target_state) +{ + unsigned int core = plat_calc_core_pos(read_mpidr_el1()); + + assert(target_state->pwr_domain_state[MPIDR_AFFLVL0] == + PLAT_LOCAL_STATE_OFF); + + if (core == AML_PRIMARY_CPU) { + g12a_cpu0_go = 0; + flush_dcache_range((uintptr_t)&g12a_cpu0_go, + sizeof(g12a_cpu0_go)); + dsb(); + isb(); + } + + gicv2_pcpu_distif_init(); + gicv2_cpuif_enable(); +} + +static void g12a_pwr_domain_off(const psci_power_state_t *target_state) +{ + u_register_t mpidr = read_mpidr_el1(); + unsigned int core = plat_calc_core_pos(mpidr); + + gicv2_cpuif_disable(); + + /* CPU0 can't be turned OFF */ + if (core == AML_PRIMARY_CPU) + return; + + aml_scpi_set_css_power_state(mpidr, + SCPI_POWER_OFF, SCPI_POWER_ON, + SCPI_POWER_ON); +} + +static void __dead2 g12a_pwr_domain_pwr_down_wfi(const psci_power_state_t + *target_state) +{ + u_register_t mpidr = read_mpidr_el1(); + unsigned int core = plat_calc_core_pos(mpidr); + + /* CPU0 can't be turned OFF, emulate it with a WFE loop */ + if (core == AML_PRIMARY_CPU) { + VERBOSE("BL31: CPU0 entering wait loop...\n"); + + while (g12a_cpu0_go == 0) + wfe(); + + VERBOSE("BL31: CPU0 resumed.\n"); + + /* + * Because setting CPU0's warm reset entrypoint through PSCI + * mailbox and/or mmio mapped RVBAR (0xda834650) does not seem + * to work, jump to it manually. + * In order to avoid an assert, MMU has to be disabled. + */ + disable_mmu_el3(); + ((void(*)(void))g12a_sec_entrypoint)(); + } + + dsbsy(); + g12a_pm_set_reset_addr(mpidr, 0); + g12a_pm_reset(mpidr); + + for (;;) + wfi(); +} + +/******************************************************************************* + * Platform handlers and setup function. + ******************************************************************************/ +static const plat_psci_ops_t g12a_ops = { + .pwr_domain_on = g12a_pwr_domain_on, + .pwr_domain_on_finish = g12a_pwr_domain_on_finish, + .pwr_domain_off = g12a_pwr_domain_off, + .pwr_domain_pwr_down_wfi = g12a_pwr_domain_pwr_down_wfi, + .system_off = g12a_system_off, + .system_reset = g12a_system_reset +}; + +int plat_setup_psci_ops(uintptr_t sec_entrypoint, + const plat_psci_ops_t **psci_ops) +{ + g12a_sec_entrypoint = sec_entrypoint; + *psci_ops = &g12a_ops; + g12a_cpu0_go = 0; + return 0; +} diff --git a/plat/amlogic/g12a/include/platform_def.h b/plat/amlogic/g12a/include/platform_def.h new file mode 100644 index 0000000..23d816d --- /dev/null +++ b/plat/amlogic/g12a/include/platform_def.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef PLATFORM_DEF_H +#define PLATFORM_DEF_H + +#include <arch.h> +#include <lib/utils_def.h> + +#include "../g12a_def.h" + +#define PLATFORM_LINKER_FORMAT "elf64-littleaarch64" +#define PLATFORM_LINKER_ARCH aarch64 + +#define PLATFORM_STACK_SIZE UL(0x1000) + +#define PLATFORM_MAX_CPUS_PER_CLUSTER U(4) +#define PLATFORM_CLUSTER_COUNT U(1) +#define PLATFORM_CLUSTER0_CORE_COUNT PLATFORM_MAX_CPUS_PER_CLUSTER +#define PLATFORM_CORE_COUNT PLATFORM_CLUSTER0_CORE_COUNT + +#define AML_PRIMARY_CPU U(0) + +#define PLAT_MAX_PWR_LVL MPIDR_AFFLVL1 +#define PLAT_NUM_PWR_DOMAINS (PLATFORM_CLUSTER_COUNT + \ + PLATFORM_CORE_COUNT) + +#define PLAT_MAX_RET_STATE U(1) +#define PLAT_MAX_OFF_STATE U(2) + +/* Local power state for power domains in Run state. */ +#define PLAT_LOCAL_STATE_RUN U(0) +/* Local power state for retention. Valid only for CPU power domains */ +#define PLAT_LOCAL_STATE_RET U(1) +/* Local power state for power-down. Valid for CPU and cluster power domains. */ +#define PLAT_LOCAL_STATE_OFF U(2) + +/* + * Macros used to parse state information from State-ID if it is using the + * recommended encoding for State-ID. + */ +#define PLAT_LOCAL_PSTATE_WIDTH U(4) +#define PLAT_LOCAL_PSTATE_MASK ((U(1) << PLAT_LOCAL_PSTATE_WIDTH) - 1) + +/* + * Some data must be aligned on the biggest cache line size in the platform. + * This is known only to the platform as it might have a combination of + * integrated and external caches. + */ +#define CACHE_WRITEBACK_SHIFT U(6) +#define CACHE_WRITEBACK_GRANULE (U(1) << CACHE_WRITEBACK_SHIFT) + +/* Memory-related defines */ +#define PLAT_PHY_ADDR_SPACE_SIZE (ULL(1) << 32) +#define PLAT_VIRT_ADDR_SPACE_SIZE (ULL(1) << 32) + +#define MAX_MMAP_REGIONS 16 +#define MAX_XLAT_TABLES 8 + +#endif /* PLATFORM_DEF_H */ diff --git a/plat/amlogic/g12a/platform.mk b/plat/amlogic/g12a/platform.mk new file mode 100644 index 0000000..b0c91b0 --- /dev/null +++ b/plat/amlogic/g12a/platform.mk @@ -0,0 +1,91 @@ +# +# Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +include lib/xlat_tables_v2/xlat_tables.mk + +AML_PLAT := plat/amlogic +AML_PLAT_SOC := ${AML_PLAT}/${PLAT} +AML_PLAT_COMMON := ${AML_PLAT}/common + +DOIMAGEPATH ?= tools/amlogic +DOIMAGETOOL ?= ${DOIMAGEPATH}/doimage + +PLAT_INCLUDES := -Iinclude/drivers/amlogic/ \ + -I${AML_PLAT_SOC}/include \ + -I${AML_PLAT_COMMON}/include + +GIC_SOURCES := drivers/arm/gic/common/gic_common.c \ + drivers/arm/gic/v2/gicv2_main.c \ + drivers/arm/gic/v2/gicv2_helpers.c \ + plat/common/plat_gicv2.c + +BL31_SOURCES += lib/cpus/aarch64/cortex_a53.S \ + plat/common/plat_psci_common.c \ + drivers/amlogic/console/aarch64/meson_console.S \ + ${AML_PLAT_SOC}/${PLAT}_bl31_setup.c \ + ${AML_PLAT_SOC}/${PLAT}_pm.c \ + ${AML_PLAT_SOC}/${PLAT}_common.c \ + ${AML_PLAT_COMMON}/aarch64/aml_helpers.S \ + ${AML_PLAT_COMMON}/aml_efuse.c \ + ${AML_PLAT_COMMON}/aml_mhu.c \ + ${AML_PLAT_COMMON}/aml_scpi.c \ + ${AML_PLAT_COMMON}/aml_sip_svc.c \ + ${AML_PLAT_COMMON}/aml_thermal.c \ + ${AML_PLAT_COMMON}/aml_topology.c \ + ${AML_PLAT_COMMON}/aml_console.c \ + drivers/amlogic/crypto/sha_dma.c \ + ${XLAT_TABLES_LIB_SRCS} \ + ${GIC_SOURCES} + +# Tune compiler for Cortex-A53 +ifeq ($(notdir $(CC)),armclang) + TF_CFLAGS_aarch64 += -mcpu=cortex-a53 +else ifneq ($(findstring clang,$(notdir $(CC))),) + TF_CFLAGS_aarch64 += -mcpu=cortex-a53 +else + TF_CFLAGS_aarch64 += -mtune=cortex-a53 +endif + +# Build config flags +# ------------------ + +# Enable all errata workarounds for Cortex-A53 +ERRATA_A53_855873 := 1 +ERRATA_A53_819472 := 1 +ERRATA_A53_824069 := 1 +ERRATA_A53_827319 := 1 + +WORKAROUND_CVE_2017_5715 := 0 + +# Have different sections for code and rodata +SEPARATE_CODE_AND_RODATA := 1 + +# Use Coherent memory +USE_COHERENT_MEM := 1 + +# Verify build config +# ------------------- + +ifneq (${RESET_TO_BL31}, 0) + $(error Error: ${PLAT} needs RESET_TO_BL31=0) +endif + +ifeq (${ARCH},aarch32) + $(error Error: AArch32 not supported on ${PLAT}) +endif + +all: ${BUILD_PLAT}/bl31.img +distclean realclean clean: cleanimage + +cleanimage: + ${Q}${MAKE} -C ${DOIMAGEPATH} clean + +${DOIMAGETOOL}: + ${Q}${MAKE} -C ${DOIMAGEPATH} + +${BUILD_PLAT}/bl31.img: ${BUILD_PLAT}/bl31.bin ${DOIMAGETOOL} + ${DOIMAGETOOL} ${BUILD_PLAT}/bl31.bin ${BUILD_PLAT}/bl31.img + diff --git a/plat/amlogic/gxbb/gxbb_bl31_setup.c b/plat/amlogic/gxbb/gxbb_bl31_setup.c new file mode 100644 index 0000000..cc7a1c4 --- /dev/null +++ b/plat/amlogic/gxbb/gxbb_bl31_setup.c @@ -0,0 +1,144 @@ +/* + * Copyright (c) 2018-2019, 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 <lib/xlat_tables/xlat_mmu_helpers.h> +#include <plat/common/platform.h> +#include <platform_def.h> + +#include "aml_private.h" + +/* + * Placeholder variables for copying the arguments that have been passed to + * BL31 from BL2. + */ +static entry_point_info_t bl33_image_ep_info; + +/******************************************************************************* + * 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(type == NON_SECURE); + + next_image_info = &bl33_image_ep_info; + + /* None of the images can have 0x0 as the entrypoint. */ + if (next_image_info->pc != 0U) { + return next_image_info; + } else { + return NULL; + } +} + +/******************************************************************************* + * Perform any BL31 early platform setup. Here is an opportunity to copy + * parameters passed by the calling EL (S-EL1 in BL2 & S-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. + ******************************************************************************/ +struct gxbb_bl31_param { + param_header_t h; + image_info_t *bl31_image_info; + entry_point_info_t *bl32_ep_info; + image_info_t *bl32_image_info; + entry_point_info_t *bl33_ep_info; + image_info_t *bl33_image_info; +}; + +void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, + u_register_t arg2, u_register_t arg3) +{ + struct gxbb_bl31_param *from_bl2; + + /* Initialize the console to provide early debug support */ + aml_console_init(); + + /* + * In debug builds, we pass a special value in 'arg1' to verify platform + * parameters from BL2 to BL31. In release builds it's not used. + */ + assert(arg1 == AML_BL31_PLAT_PARAM_VAL); + + /* Check that params passed from BL2 are not NULL. */ + from_bl2 = (struct gxbb_bl31_param *) arg0; + + /* Check params passed from BL2 are not NULL. */ + assert(from_bl2 != NULL); + assert(from_bl2->h.type == PARAM_BL31); + assert(from_bl2->h.version >= VERSION_1); + + /* + * Copy BL33 entry point information. It is stored in Secure RAM, in + * BL2's address space. + */ + bl33_image_ep_info = *from_bl2->bl33_ep_info; + + if (bl33_image_ep_info.pc == 0U) { + ERROR("BL31: BL33 entrypoint not obtained from BL2\n"); + panic(); + } +} + +void bl31_plat_arch_setup(void) +{ + aml_setup_page_tables(); + + enable_mmu_el3(0); +} + +/******************************************************************************* + * GICv2 driver setup information + ******************************************************************************/ +static const interrupt_prop_t gxbb_interrupt_props[] = { + INTR_PROP_DESC(IRQ_SEC_PHY_TIMER, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_0, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_1, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_2, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_3, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_4, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_5, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_6, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_7, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), +}; + +static const gicv2_driver_data_t gxbb_gic_data = { + .gicd_base = AML_GICD_BASE, + .gicc_base = AML_GICC_BASE, + .interrupt_props = gxbb_interrupt_props, + .interrupt_props_num = ARRAY_SIZE(gxbb_interrupt_props), +}; + +void bl31_platform_setup(void) +{ + aml_mhu_secure_init(); + + gicv2_driver_init(&gxbb_gic_data); + gicv2_distif_init(); + gicv2_pcpu_distif_init(); + gicv2_cpuif_enable(); + + aml_thermal_unknown(); +} diff --git a/plat/amlogic/gxbb/gxbb_common.c b/plat/amlogic/gxbb/gxbb_common.c new file mode 100644 index 0000000..260a347 --- /dev/null +++ b/plat/amlogic/gxbb/gxbb_common.c @@ -0,0 +1,117 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> +#include <bl31/interrupt_mgmt.h> +#include <common/bl_common.h> +#include <common/ep_info.h> +#include <lib/mmio.h> +#include <lib/xlat_tables/xlat_tables_v2.h> +#include <platform_def.h> +#include <stdint.h> + +/******************************************************************************* + * Platform memory map regions + ******************************************************************************/ +#define MAP_NSDRAM0 MAP_REGION_FLAT(AML_NSDRAM0_BASE, \ + AML_NSDRAM0_SIZE, \ + MT_MEMORY | MT_RW | MT_NS) + +#define MAP_NSDRAM1 MAP_REGION_FLAT(AML_NSDRAM1_BASE, \ + AML_NSDRAM1_SIZE, \ + MT_MEMORY | MT_RW | MT_NS) + +#define MAP_SEC_DEVICE0 MAP_REGION_FLAT(AML_SEC_DEVICE0_BASE, \ + AML_SEC_DEVICE0_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE1 MAP_REGION_FLAT(AML_SEC_DEVICE1_BASE, \ + AML_SEC_DEVICE1_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_TZRAM MAP_REGION_FLAT(AML_TZRAM_BASE, \ + AML_TZRAM_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE2 MAP_REGION_FLAT(AML_SEC_DEVICE2_BASE, \ + AML_SEC_DEVICE2_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE3 MAP_REGION_FLAT(AML_SEC_DEVICE3_BASE, \ + AML_SEC_DEVICE3_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +static const mmap_region_t gxbb_mmap[] = { + MAP_NSDRAM0, + MAP_NSDRAM1, + MAP_SEC_DEVICE0, + MAP_SEC_DEVICE1, + MAP_TZRAM, + MAP_SEC_DEVICE2, + MAP_SEC_DEVICE3, + {0} +}; + +/******************************************************************************* + * Per-image regions + ******************************************************************************/ +#define MAP_BL31 MAP_REGION_FLAT(BL31_BASE, \ + BL31_END - BL31_BASE, \ + MT_MEMORY | MT_RW | MT_SECURE) + +#define MAP_BL_CODE MAP_REGION_FLAT(BL_CODE_BASE, \ + BL_CODE_END - BL_CODE_BASE, \ + MT_CODE | MT_SECURE) + +#define MAP_BL_RO_DATA MAP_REGION_FLAT(BL_RO_DATA_BASE, \ + BL_RO_DATA_END - BL_RO_DATA_BASE, \ + MT_RO_DATA | MT_SECURE) + +#define MAP_BL_COHERENT MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, \ + BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +/******************************************************************************* + * Function that sets up the translation tables. + ******************************************************************************/ +void aml_setup_page_tables(void) +{ +#if IMAGE_BL31 + const mmap_region_t gxbb_bl_mmap[] = { + MAP_BL31, + MAP_BL_CODE, + MAP_BL_RO_DATA, +#if USE_COHERENT_MEM + MAP_BL_COHERENT, +#endif + {0} + }; +#endif + + mmap_add(gxbb_bl_mmap); + + mmap_add(gxbb_mmap); + + init_xlat_tables(); +} + +/******************************************************************************* + * Function that returns the system counter frequency + ******************************************************************************/ +unsigned int plat_get_syscnt_freq2(void) +{ + uint32_t val; + + val = mmio_read_32(AML_SYS_CPU_CFG7); + val &= 0xFDFFFFFF; + mmio_write_32(AML_SYS_CPU_CFG7, val); + + val = mmio_read_32(AML_AO_TIMESTAMP_CNTL); + val &= 0xFFFFFE00; + mmio_write_32(AML_AO_TIMESTAMP_CNTL, val); + + return AML_OSC24M_CLK_IN_HZ; +} diff --git a/plat/amlogic/gxbb/gxbb_def.h b/plat/amlogic/gxbb/gxbb_def.h new file mode 100644 index 0000000..fa5e4fa --- /dev/null +++ b/plat/amlogic/gxbb/gxbb_def.h @@ -0,0 +1,123 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef GXBB_DEF_H +#define GXBB_DEF_H + +#include <lib/utils_def.h> + +/******************************************************************************* + * System oscillator + ******************************************************************************/ +#define AML_OSC24M_CLK_IN_HZ ULL(24000000) /* 24 MHz */ + +/******************************************************************************* + * Memory regions + ******************************************************************************/ +#define AML_NSDRAM0_BASE UL(0x01000000) +#define AML_NSDRAM0_SIZE UL(0x0F000000) + +#define AML_NSDRAM1_BASE UL(0x10000000) +#define AML_NSDRAM1_SIZE UL(0x00100000) + +#define BL31_BASE UL(0x10100000) +#define BL31_SIZE UL(0x000C0000) +#define BL31_LIMIT (BL31_BASE + BL31_SIZE) + +/* Shared memory used for SMC services */ +#define AML_SHARE_MEM_INPUT_BASE UL(0x100FE000) +#define AML_SHARE_MEM_OUTPUT_BASE UL(0x100FF000) + +#define AML_SEC_DEVICE0_BASE UL(0xC0000000) +#define AML_SEC_DEVICE0_SIZE UL(0x09000000) + +#define AML_SEC_DEVICE1_BASE UL(0xD0040000) +#define AML_SEC_DEVICE1_SIZE UL(0x00008000) + +#define AML_TZRAM_BASE UL(0xD9000000) +#define AML_TZRAM_SIZE UL(0x00014000) +/* Top 0xC000 bytes (up to 0xD9020000) used by BL2 */ + +/* Mailboxes */ +#define AML_MHU_SECURE_SCP_TO_AP_PAYLOAD UL(0xD9013800) +#define AML_MHU_SECURE_AP_TO_SCP_PAYLOAD UL(0xD9013A00) +#define AML_PSCI_MAILBOX_BASE UL(0xD9013F00) + +#define AML_TZROM_BASE UL(0xD9040000) +#define AML_TZROM_SIZE UL(0x00010000) + +#define AML_SEC_DEVICE2_BASE UL(0xDA000000) +#define AML_SEC_DEVICE2_SIZE UL(0x00200000) + +#define AML_SEC_DEVICE3_BASE UL(0xDA800000) +#define AML_SEC_DEVICE3_SIZE UL(0x00200000) + +/******************************************************************************* + * GIC-400 and interrupt handling related constants + ******************************************************************************/ +#define AML_GICD_BASE UL(0xC4301000) +#define AML_GICC_BASE UL(0xC4302000) + +#define IRQ_SEC_PHY_TIMER 29 + +#define IRQ_SEC_SGI_0 8 +#define IRQ_SEC_SGI_1 9 +#define IRQ_SEC_SGI_2 10 +#define IRQ_SEC_SGI_3 11 +#define IRQ_SEC_SGI_4 12 +#define IRQ_SEC_SGI_5 13 +#define IRQ_SEC_SGI_6 14 +#define IRQ_SEC_SGI_7 15 + +/******************************************************************************* + * UART definitions + ******************************************************************************/ +#define AML_UART0_AO_BASE UL(0xC81004C0) +#define AML_UART0_AO_CLK_IN_HZ AML_OSC24M_CLK_IN_HZ +#define AML_UART_BAUDRATE U(115200) + +/******************************************************************************* + * Memory-mapped I/O Registers + ******************************************************************************/ +#define AML_AO_TIMESTAMP_CNTL UL(0xC81000B4) + +#define AML_SYS_CPU_CFG7 UL(0xC8834664) + +#define AML_AO_RTI_STATUS_REG3 UL(0xDA10001C) + +#define AML_HIU_MAILBOX_SET_0 UL(0xDA83C404) +#define AML_HIU_MAILBOX_STAT_0 UL(0xDA83C408) +#define AML_HIU_MAILBOX_CLR_0 UL(0xDA83C40C) +#define AML_HIU_MAILBOX_SET_3 UL(0xDA83C428) +#define AML_HIU_MAILBOX_STAT_3 UL(0xDA83C42C) +#define AML_HIU_MAILBOX_CLR_3 UL(0xDA83C430) + +#define AML_SHA_DMA_BASE UL(0xC883E000) +#define AML_SHA_DMA_DESC (AML_SHA_DMA_BASE + 0x08) +#define AML_SHA_DMA_STATUS (AML_SHA_DMA_BASE + 0x18) + +/******************************************************************************* + * System Monitor Call IDs and arguments + ******************************************************************************/ +#define AML_SM_GET_SHARE_MEM_INPUT_BASE U(0x82000020) +#define AML_SM_GET_SHARE_MEM_OUTPUT_BASE U(0x82000021) + +#define AML_SM_EFUSE_READ U(0x82000030) +#define AML_SM_EFUSE_USER_MAX U(0x82000033) + +#define AML_SM_JTAG_ON U(0x82000040) +#define AML_SM_JTAG_OFF U(0x82000041) +#define AML_SM_GET_CHIP_ID U(0x82000044) + +#define AML_JTAG_STATE_ON U(0) +#define AML_JTAG_STATE_OFF U(1) + +#define AML_JTAG_M3_AO U(0) +#define AML_JTAG_M3_EE U(1) +#define AML_JTAG_A53_AO U(2) +#define AML_JTAG_A53_EE U(3) + +#endif /* GXBB_DEF_H */ diff --git a/plat/amlogic/gxbb/gxbb_pm.c b/plat/amlogic/gxbb/gxbb_pm.c new file mode 100644 index 0000000..48bff7b --- /dev/null +++ b/plat/amlogic/gxbb/gxbb_pm.c @@ -0,0 +1,191 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch_helpers.h> +#include <assert.h> +#include <common/debug.h> +#include <drivers/arm/gicv2.h> +#include <drivers/console.h> +#include <errno.h> +#include <lib/mmio.h> +#include <lib/psci/psci.h> +#include <plat/common/platform.h> +#include <platform_def.h> + +#include "aml_private.h" + +#define SCPI_POWER_ON 0 +#define SCPI_POWER_RETENTION 1 +#define SCPI_POWER_OFF 3 + +#define SCPI_SYSTEM_SHUTDOWN 0 +#define SCPI_SYSTEM_REBOOT 1 + +static uintptr_t gxbb_sec_entrypoint; +static volatile uint32_t gxbb_cpu0_go; + +static void gxbb_program_mailbox(u_register_t mpidr, uint64_t value) +{ + unsigned int core = plat_calc_core_pos(mpidr); + uintptr_t cpu_mailbox_addr = AML_PSCI_MAILBOX_BASE + (core << 4); + + mmio_write_64(cpu_mailbox_addr, value); + flush_dcache_range(cpu_mailbox_addr, sizeof(uint64_t)); +} + +static void __dead2 gxbb_system_reset(void) +{ + INFO("BL31: PSCI_SYSTEM_RESET\n"); + + uint32_t status = mmio_read_32(AML_AO_RTI_STATUS_REG3); + + NOTICE("BL31: Reboot reason: 0x%x\n", status); + + status &= 0xFFFF0FF0; + + console_flush(); + + mmio_write_32(AML_AO_RTI_STATUS_REG3, status); + + int ret = aml_scpi_sys_power_state(SCPI_SYSTEM_REBOOT); + + if (ret != 0) { + ERROR("BL31: PSCI_SYSTEM_RESET: SCP error: %u\n", ret); + panic(); + } + + wfi(); + + ERROR("BL31: PSCI_SYSTEM_RESET: Operation not handled\n"); + panic(); +} + +static void __dead2 gxbb_system_off(void) +{ + INFO("BL31: PSCI_SYSTEM_OFF\n"); + + unsigned int ret = aml_scpi_sys_power_state(SCPI_SYSTEM_SHUTDOWN); + + if (ret != 0) { + ERROR("BL31: PSCI_SYSTEM_OFF: SCP error %u\n", ret); + panic(); + } + + gxbb_program_mailbox(read_mpidr_el1(), 0); + + wfi(); + + ERROR("BL31: PSCI_SYSTEM_OFF: Operation not handled\n"); + panic(); +} + +static int32_t gxbb_pwr_domain_on(u_register_t mpidr) +{ + unsigned int core = plat_calc_core_pos(mpidr); + + /* CPU0 can't be turned OFF, emulate it with a WFE loop */ + if (core == AML_PRIMARY_CPU) { + VERBOSE("BL31: Releasing CPU0 from wait loop...\n"); + + gxbb_cpu0_go = 1; + flush_dcache_range((uintptr_t)&gxbb_cpu0_go, sizeof(gxbb_cpu0_go)); + dsb(); + isb(); + + sev(); + + return PSCI_E_SUCCESS; + } + + gxbb_program_mailbox(mpidr, gxbb_sec_entrypoint); + aml_scpi_set_css_power_state(mpidr, + SCPI_POWER_ON, SCPI_POWER_ON, SCPI_POWER_ON); + dmbsy(); + sev(); + + return PSCI_E_SUCCESS; +} + +static void gxbb_pwr_domain_on_finish(const psci_power_state_t *target_state) +{ + unsigned int core = plat_calc_core_pos(read_mpidr_el1()); + + assert(target_state->pwr_domain_state[MPIDR_AFFLVL0] == + PLAT_LOCAL_STATE_OFF); + + if (core == AML_PRIMARY_CPU) { + gxbb_cpu0_go = 0; + flush_dcache_range((uintptr_t)&gxbb_cpu0_go, sizeof(gxbb_cpu0_go)); + dsb(); + isb(); + } + + gicv2_pcpu_distif_init(); + gicv2_cpuif_enable(); +} + +static void gxbb_pwr_domain_off(const psci_power_state_t *target_state) +{ + u_register_t mpidr = read_mpidr_el1(); + unsigned int core = plat_calc_core_pos(mpidr); + uintptr_t addr = AML_PSCI_MAILBOX_BASE + 8 + (core << 4); + + mmio_write_32(addr, 0xFFFFFFFF); + flush_dcache_range(addr, sizeof(uint32_t)); + + gicv2_cpuif_disable(); + + /* CPU0 can't be turned OFF, emulate it with a WFE loop */ + if (core == AML_PRIMARY_CPU) + return; + + aml_scpi_set_css_power_state(mpidr, + SCPI_POWER_OFF, SCPI_POWER_ON, SCPI_POWER_ON); +} + +static void __dead2 gxbb_pwr_domain_pwr_down_wfi(const psci_power_state_t + *target_state) +{ + unsigned int core = plat_calc_core_pos(read_mpidr_el1()); + + /* CPU0 can't be turned OFF, emulate it with a WFE loop */ + if (core == AML_PRIMARY_CPU) { + VERBOSE("BL31: CPU0 entering wait loop...\n"); + + while (gxbb_cpu0_go == 0) + wfe(); + + VERBOSE("BL31: CPU0 resumed.\n"); + + write_rmr_el3(RMR_EL3_RR_BIT | RMR_EL3_AA64_BIT); + } + + dsbsy(); + + for (;;) + wfi(); +} + +/******************************************************************************* + * Platform handlers and setup function. + ******************************************************************************/ +static const plat_psci_ops_t gxbb_ops = { + .pwr_domain_on = gxbb_pwr_domain_on, + .pwr_domain_on_finish = gxbb_pwr_domain_on_finish, + .pwr_domain_off = gxbb_pwr_domain_off, + .pwr_domain_pwr_down_wfi = gxbb_pwr_domain_pwr_down_wfi, + .system_off = gxbb_system_off, + .system_reset = gxbb_system_reset, +}; + +int plat_setup_psci_ops(uintptr_t sec_entrypoint, + const plat_psci_ops_t **psci_ops) +{ + gxbb_sec_entrypoint = sec_entrypoint; + *psci_ops = &gxbb_ops; + gxbb_cpu0_go = 0; + return 0; +} diff --git a/plat/amlogic/gxbb/include/platform_def.h b/plat/amlogic/gxbb/include/platform_def.h new file mode 100644 index 0000000..a5cbe78 --- /dev/null +++ b/plat/amlogic/gxbb/include/platform_def.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef PLATFORM_DEF_H +#define PLATFORM_DEF_H + +#include <arch.h> +#include <lib/utils_def.h> + +#include "../gxbb_def.h" + +#define PLATFORM_LINKER_FORMAT "elf64-littleaarch64" +#define PLATFORM_LINKER_ARCH aarch64 + +/* Special value used to verify platform parameters from BL2 to BL31 */ +#define AML_BL31_PLAT_PARAM_VAL ULL(0x0F1E2D3C4B5A6978) + +#define PLATFORM_STACK_SIZE UL(0x1000) + +#define PLATFORM_MAX_CPUS_PER_CLUSTER U(4) +#define PLATFORM_CLUSTER_COUNT U(1) +#define PLATFORM_CLUSTER0_CORE_COUNT PLATFORM_MAX_CPUS_PER_CLUSTER +#define PLATFORM_CORE_COUNT PLATFORM_CLUSTER0_CORE_COUNT + +#define AML_PRIMARY_CPU U(0) + +#define PLAT_MAX_PWR_LVL MPIDR_AFFLVL1 +#define PLAT_NUM_PWR_DOMAINS (PLATFORM_CLUSTER_COUNT + \ + PLATFORM_CORE_COUNT) + +#define PLAT_MAX_RET_STATE U(1) +#define PLAT_MAX_OFF_STATE U(2) + +/* Local power state for power domains in Run state. */ +#define PLAT_LOCAL_STATE_RUN U(0) +/* Local power state for retention. Valid only for CPU power domains */ +#define PLAT_LOCAL_STATE_RET U(1) +/* Local power state for power-down. Valid for CPU and cluster power domains. */ +#define PLAT_LOCAL_STATE_OFF U(2) + +/* + * Macros used to parse state information from State-ID if it is using the + * recommended encoding for State-ID. + */ +#define PLAT_LOCAL_PSTATE_WIDTH U(4) +#define PLAT_LOCAL_PSTATE_MASK ((U(1) << PLAT_LOCAL_PSTATE_WIDTH) - 1) + +/* + * Some data must be aligned on the biggest cache line size in the platform. + * This is known only to the platform as it might have a combination of + * integrated and external caches. + */ +#define CACHE_WRITEBACK_SHIFT U(6) +#define CACHE_WRITEBACK_GRANULE (U(1) << CACHE_WRITEBACK_SHIFT) + +/* Memory-related defines */ +#define PLAT_PHY_ADDR_SPACE_SIZE (ULL(1) << 32) +#define PLAT_VIRT_ADDR_SPACE_SIZE (ULL(1) << 32) + +#define MAX_MMAP_REGIONS 12 +#define MAX_XLAT_TABLES 5 + +#endif /* PLATFORM_DEF_H */ diff --git a/plat/amlogic/gxbb/platform.mk b/plat/amlogic/gxbb/platform.mk new file mode 100644 index 0000000..62384d2 --- /dev/null +++ b/plat/amlogic/gxbb/platform.mk @@ -0,0 +1,75 @@ +# +# Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +include lib/xlat_tables_v2/xlat_tables.mk + +AML_PLAT := plat/amlogic +AML_PLAT_SOC := ${AML_PLAT}/${PLAT} +AML_PLAT_COMMON := ${AML_PLAT}/common + +PLAT_INCLUDES := -Iinclude/drivers/amlogic/ \ + -I${AML_PLAT_SOC}/include \ + -I${AML_PLAT_COMMON}/include + +GIC_SOURCES := drivers/arm/gic/common/gic_common.c \ + drivers/arm/gic/v2/gicv2_main.c \ + drivers/arm/gic/v2/gicv2_helpers.c \ + plat/common/plat_gicv2.c + +BL31_SOURCES += lib/cpus/aarch64/cortex_a53.S \ + plat/common/plat_psci_common.c \ + drivers/amlogic/console/aarch64/meson_console.S \ + ${AML_PLAT_SOC}/${PLAT}_bl31_setup.c \ + ${AML_PLAT_SOC}/${PLAT}_pm.c \ + ${AML_PLAT_SOC}/${PLAT}_common.c \ + ${AML_PLAT_COMMON}/aarch64/aml_helpers.S \ + ${AML_PLAT_COMMON}/aml_efuse.c \ + ${AML_PLAT_COMMON}/aml_mhu.c \ + ${AML_PLAT_COMMON}/aml_scpi.c \ + ${AML_PLAT_COMMON}/aml_sip_svc.c \ + ${AML_PLAT_COMMON}/aml_thermal.c \ + ${AML_PLAT_COMMON}/aml_topology.c \ + ${AML_PLAT_COMMON}/aml_console.c \ + ${XLAT_TABLES_LIB_SRCS} \ + ${GIC_SOURCES} + +# Tune compiler for Cortex-A53 +ifeq ($(notdir $(CC)),armclang) + TF_CFLAGS_aarch64 += -mcpu=cortex-a53 +else ifneq ($(findstring clang,$(notdir $(CC))),) + TF_CFLAGS_aarch64 += -mcpu=cortex-a53 +else + TF_CFLAGS_aarch64 += -mtune=cortex-a53 +endif + +# Build config flags +# ------------------ + +# Enable all errata workarounds for Cortex-A53 +ERRATA_A53_826319 := 1 +ERRATA_A53_835769 := 1 +ERRATA_A53_836870 := 1 +ERRATA_A53_843419 := 1 +ERRATA_A53_855873 := 1 + +WORKAROUND_CVE_2017_5715 := 0 + +# Have different sections for code and rodata +SEPARATE_CODE_AND_RODATA := 1 + +# Use Coherent memory +USE_COHERENT_MEM := 1 + +# Verify build config +# ------------------- + +ifneq (${RESET_TO_BL31}, 0) + $(error Error: ${PLAT} needs RESET_TO_BL31=0) +endif + +ifeq (${ARCH},aarch32) + $(error Error: AArch32 not supported on ${PLAT}) +endif diff --git a/plat/amlogic/gxl/gxl_bl31_setup.c b/plat/amlogic/gxl/gxl_bl31_setup.c new file mode 100644 index 0000000..f581dd1 --- /dev/null +++ b/plat/amlogic/gxl/gxl_bl31_setup.c @@ -0,0 +1,162 @@ +/* + * Copyright (c) 2018-2019, 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 <lib/mmio.h> +#include <lib/xlat_tables/xlat_mmu_helpers.h> +#include <plat/common/platform.h> +#include <platform_def.h> + +#include "aml_private.h" + +/* + * Placeholder variables for copying the arguments that have been passed to + * BL31 from BL2. + */ +static entry_point_info_t bl33_image_ep_info; +static image_info_t bl30_image_info; +static image_info_t bl301_image_info; + +/******************************************************************************* + * 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(type == NON_SECURE); + + next_image_info = &bl33_image_ep_info; + + /* None of the images can have 0x0 as the entrypoint. */ + if (next_image_info->pc != 0U) { + return next_image_info; + } else { + return NULL; + } +} + +/******************************************************************************* + * Perform any BL31 early platform setup. Here is an opportunity to copy + * parameters passed by the calling EL (S-EL1 in BL2 & S-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. + ******************************************************************************/ +struct gxl_bl31_param { + param_header_t h; + image_info_t *bl31_image_info; + entry_point_info_t *bl32_ep_info; + image_info_t *bl32_image_info; + entry_point_info_t *bl33_ep_info; + image_info_t *bl33_image_info; + image_info_t *scp_image_info[]; +}; + +void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, + u_register_t arg2, u_register_t arg3) +{ + struct gxl_bl31_param *from_bl2; + + /* Initialize the console to provide early debug support */ + aml_console_init(); + + /* Check that params passed from BL2 are not NULL. */ + from_bl2 = (struct gxl_bl31_param *) arg0; + + /* Check params passed from BL2 are not NULL. */ + assert(from_bl2 != NULL); + assert(from_bl2->h.type == PARAM_BL31); + assert(from_bl2->h.version >= VERSION_1); + + /* + * Copy BL33 entry point information. It is stored in Secure RAM, in + * BL2's address space. + */ + bl33_image_ep_info = *from_bl2->bl33_ep_info; + + if (bl33_image_ep_info.pc == 0U) { + ERROR("BL31: BL33 entrypoint not obtained from BL2\n"); + panic(); + } + + bl30_image_info = *from_bl2->scp_image_info[0]; + bl301_image_info = *from_bl2->scp_image_info[1]; +} + +void bl31_plat_arch_setup(void) +{ + aml_setup_page_tables(); + + enable_mmu_el3(0); +} + +static inline bool gxl_scp_ready(void) +{ + return AML_AO_RTI_SCP_IS_READY(mmio_read_32(AML_AO_RTI_SCP_STAT)); +} + +static inline void gxl_scp_boot(void) +{ + aml_scpi_upload_scp_fw(bl30_image_info.image_base, + bl30_image_info.image_size, 0); + aml_scpi_upload_scp_fw(bl301_image_info.image_base, + bl301_image_info.image_size, 1); + while (!gxl_scp_ready()) + ; +} + +/******************************************************************************* + * GICv2 driver setup information + ******************************************************************************/ +static const interrupt_prop_t gxl_interrupt_props[] = { + INTR_PROP_DESC(IRQ_SEC_PHY_TIMER, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_0, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_1, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_2, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_3, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_4, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_5, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_6, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), + INTR_PROP_DESC(IRQ_SEC_SGI_7, GIC_HIGHEST_SEC_PRIORITY, + GICV2_INTR_GROUP0, GIC_INTR_CFG_LEVEL), +}; + +static const gicv2_driver_data_t gxl_gic_data = { + .gicd_base = AML_GICD_BASE, + .gicc_base = AML_GICC_BASE, + .interrupt_props = gxl_interrupt_props, + .interrupt_props_num = ARRAY_SIZE(gxl_interrupt_props), +}; + +void bl31_platform_setup(void) +{ + aml_mhu_secure_init(); + + gicv2_driver_init(&gxl_gic_data); + gicv2_distif_init(); + gicv2_pcpu_distif_init(); + gicv2_cpuif_enable(); + + gxl_scp_boot(); + + aml_thermal_unknown(); +} diff --git a/plat/amlogic/gxl/gxl_common.c b/plat/amlogic/gxl/gxl_common.c new file mode 100644 index 0000000..e1d7bfb --- /dev/null +++ b/plat/amlogic/gxl/gxl_common.c @@ -0,0 +1,117 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> +#include <bl31/interrupt_mgmt.h> +#include <common/bl_common.h> +#include <common/ep_info.h> +#include <lib/mmio.h> +#include <lib/xlat_tables/xlat_tables_v2.h> +#include <platform_def.h> +#include <stdint.h> + +/******************************************************************************* + * Platform memory map regions + ******************************************************************************/ +#define MAP_NSDRAM0 MAP_REGION_FLAT(AML_NSDRAM0_BASE, \ + AML_NSDRAM0_SIZE, \ + MT_MEMORY | MT_RW | MT_NS) + +#define MAP_NSDRAM1 MAP_REGION_FLAT(AML_NSDRAM1_BASE, \ + AML_NSDRAM1_SIZE, \ + MT_MEMORY | MT_RW | MT_NS) + +#define MAP_SEC_DEVICE0 MAP_REGION_FLAT(AML_SEC_DEVICE0_BASE, \ + AML_SEC_DEVICE0_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE1 MAP_REGION_FLAT(AML_SEC_DEVICE1_BASE, \ + AML_SEC_DEVICE1_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_TZRAM MAP_REGION_FLAT(AML_TZRAM_BASE, \ + AML_TZRAM_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE2 MAP_REGION_FLAT(AML_SEC_DEVICE2_BASE, \ + AML_SEC_DEVICE2_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE3 MAP_REGION_FLAT(AML_SEC_DEVICE3_BASE, \ + AML_SEC_DEVICE3_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +static const mmap_region_t gxl_mmap[] = { + MAP_NSDRAM0, + MAP_NSDRAM1, + MAP_SEC_DEVICE0, + MAP_SEC_DEVICE1, + MAP_TZRAM, + MAP_SEC_DEVICE2, + MAP_SEC_DEVICE3, + {0} +}; + +/******************************************************************************* + * Per-image regions + ******************************************************************************/ +#define MAP_BL31 MAP_REGION_FLAT(BL31_BASE, \ + BL31_END - BL31_BASE, \ + MT_MEMORY | MT_RW | MT_SECURE) + +#define MAP_BL_CODE MAP_REGION_FLAT(BL_CODE_BASE, \ + BL_CODE_END - BL_CODE_BASE, \ + MT_CODE | MT_SECURE) + +#define MAP_BL_RO_DATA MAP_REGION_FLAT(BL_RO_DATA_BASE, \ + BL_RO_DATA_END - BL_RO_DATA_BASE, \ + MT_RO_DATA | MT_SECURE) + +#define MAP_BL_COHERENT MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, \ + BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +/******************************************************************************* + * Function that sets up the translation tables. + ******************************************************************************/ +void aml_setup_page_tables(void) +{ +#if IMAGE_BL31 + const mmap_region_t gxl_bl_mmap[] = { + MAP_BL31, + MAP_BL_CODE, + MAP_BL_RO_DATA, +#if USE_COHERENT_MEM + MAP_BL_COHERENT, +#endif + {0} + }; +#endif + + mmap_add(gxl_bl_mmap); + + mmap_add(gxl_mmap); + + init_xlat_tables(); +} + +/******************************************************************************* + * Function that returns the system counter frequency + ******************************************************************************/ +unsigned int plat_get_syscnt_freq2(void) +{ + uint32_t val; + + val = mmio_read_32(AML_SYS_CPU_CFG7); + val &= 0xFDFFFFFF; + mmio_write_32(AML_SYS_CPU_CFG7, val); + + val = mmio_read_32(AML_AO_TIMESTAMP_CNTL); + val &= 0xFFFFFE00; + mmio_write_32(AML_AO_TIMESTAMP_CNTL, val); + + return AML_OSC24M_CLK_IN_HZ; +} diff --git a/plat/amlogic/gxl/gxl_def.h b/plat/amlogic/gxl/gxl_def.h new file mode 100644 index 0000000..f30eb28 --- /dev/null +++ b/plat/amlogic/gxl/gxl_def.h @@ -0,0 +1,133 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef GXL_DEF_H +#define GXL_DEF_H + +#include <lib/utils_def.h> + +/******************************************************************************* + * System oscillator + ******************************************************************************/ +#define AML_OSC24M_CLK_IN_HZ ULL(24000000) /* 24 MHz */ + +/******************************************************************************* + * Memory regions + ******************************************************************************/ +#define AML_NSDRAM0_BASE UL(0x01000000) +#define AML_NSDRAM0_SIZE UL(0x0F000000) + +#define AML_NSDRAM1_BASE UL(0x10000000) +#define AML_NSDRAM1_SIZE UL(0x00100000) + +#define BL31_BASE UL(0x05100000) +#define BL31_SIZE UL(0x000C0000) +#define BL31_LIMIT (BL31_BASE + BL31_SIZE) + +/* Shared memory used for SMC services */ +#define AML_SHARE_MEM_INPUT_BASE UL(0x050FE000) +#define AML_SHARE_MEM_OUTPUT_BASE UL(0x050FF000) + +#define AML_SEC_DEVICE0_BASE UL(0xC0000000) +#define AML_SEC_DEVICE0_SIZE UL(0x09000000) + +#define AML_SEC_DEVICE1_BASE UL(0xD0040000) +#define AML_SEC_DEVICE1_SIZE UL(0x00008000) + +#define AML_TZRAM_BASE UL(0xD9000000) +#define AML_TZRAM_SIZE UL(0x00014000) +/* Top 0xC000 bytes (up to 0xD9020000) used by BL2 */ + +/* Mailboxes */ +#define AML_MHU_SECURE_SCP_TO_AP_PAYLOAD UL(0xD9013800) +#define AML_MHU_SECURE_AP_TO_SCP_PAYLOAD UL(0xD9013A00) +#define AML_PSCI_MAILBOX_BASE UL(0xD9013F00) + +// * [ 1K] 0xD901_3800 - 0xD901_3BFF Secure Mailbox (3) +// * [ 1K] 0xD901_3400 - 0xD901_37FF High Mailbox (2) * +// * [ 1K] 0xD901_3000 - 0xD901_33FF High Mailbox (1) * + +#define AML_TZROM_BASE UL(0xD9040000) +#define AML_TZROM_SIZE UL(0x00010000) + +#define AML_SEC_DEVICE2_BASE UL(0xDA000000) +#define AML_SEC_DEVICE2_SIZE UL(0x00200000) + +#define AML_SEC_DEVICE3_BASE UL(0xDA800000) +#define AML_SEC_DEVICE3_SIZE UL(0x00200000) + +/******************************************************************************* + * GIC-400 and interrupt handling related constants + ******************************************************************************/ +#define AML_GICD_BASE UL(0xC4301000) +#define AML_GICC_BASE UL(0xC4302000) + +#define IRQ_SEC_PHY_TIMER 29 + +#define IRQ_SEC_SGI_0 8 +#define IRQ_SEC_SGI_1 9 +#define IRQ_SEC_SGI_2 10 +#define IRQ_SEC_SGI_3 11 +#define IRQ_SEC_SGI_4 12 +#define IRQ_SEC_SGI_5 13 +#define IRQ_SEC_SGI_6 14 +#define IRQ_SEC_SGI_7 15 + +/******************************************************************************* + * UART definitions + ******************************************************************************/ +#define AML_UART0_AO_BASE UL(0xC81004C0) +#define AML_UART0_AO_CLK_IN_HZ AML_OSC24M_CLK_IN_HZ +#define AML_UART_BAUDRATE U(115200) + +/******************************************************************************* + * Memory-mapped I/O Registers + ******************************************************************************/ +#define AML_AO_TIMESTAMP_CNTL UL(0xC81000B4) + +#define AML_SYS_CPU_CFG7 UL(0xC8834664) + +#define AML_AO_RTI_STATUS_REG3 UL(0xDA10001C) +#define AML_AO_RTI_SCP_STAT UL(0xDA10023C) +#define AML_AO_RTI_SCP_READY_OFF U(0x14) +#define AML_A0_RTI_SCP_READY_MASK U(3) +#define AML_AO_RTI_SCP_IS_READY(v) \ + ((((v) >> AML_AO_RTI_SCP_READY_OFF) & \ + AML_A0_RTI_SCP_READY_MASK) == AML_A0_RTI_SCP_READY_MASK) + +#define AML_HIU_MAILBOX_SET_0 UL(0xDA83C404) +#define AML_HIU_MAILBOX_STAT_0 UL(0xDA83C408) +#define AML_HIU_MAILBOX_CLR_0 UL(0xDA83C40C) +#define AML_HIU_MAILBOX_SET_3 UL(0xDA83C428) +#define AML_HIU_MAILBOX_STAT_3 UL(0xDA83C42C) +#define AML_HIU_MAILBOX_CLR_3 UL(0xDA83C430) + +#define AML_SHA_DMA_BASE UL(0xC883E000) +#define AML_SHA_DMA_DESC (AML_SHA_DMA_BASE + 0x08) +#define AML_SHA_DMA_STATUS (AML_SHA_DMA_BASE + 0x18) + +/******************************************************************************* + * System Monitor Call IDs and arguments + ******************************************************************************/ +#define AML_SM_GET_SHARE_MEM_INPUT_BASE U(0x82000020) +#define AML_SM_GET_SHARE_MEM_OUTPUT_BASE U(0x82000021) + +#define AML_SM_EFUSE_READ U(0x82000030) +#define AML_SM_EFUSE_USER_MAX U(0x82000033) + +#define AML_SM_JTAG_ON U(0x82000040) +#define AML_SM_JTAG_OFF U(0x82000041) +#define AML_SM_GET_CHIP_ID U(0x82000044) + +#define AML_JTAG_STATE_ON U(0) +#define AML_JTAG_STATE_OFF U(1) + +#define AML_JTAG_M3_AO U(0) +#define AML_JTAG_M3_EE U(1) +#define AML_JTAG_A53_AO U(2) +#define AML_JTAG_A53_EE U(3) + +#endif /* GXL_DEF_H */ diff --git a/plat/amlogic/gxl/gxl_pm.c b/plat/amlogic/gxl/gxl_pm.c new file mode 100644 index 0000000..433140b --- /dev/null +++ b/plat/amlogic/gxl/gxl_pm.c @@ -0,0 +1,214 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch_helpers.h> +#include <assert.h> +#include <common/debug.h> +#include <drivers/arm/gicv2.h> +#include <drivers/console.h> +#include <errno.h> +#include <lib/mmio.h> +#include <lib/psci/psci.h> +#include <plat/common/platform.h> +#include <platform_def.h> + +#include "aml_private.h" + +#define SCPI_POWER_ON 0 +#define SCPI_POWER_RETENTION 1 +#define SCPI_POWER_OFF 3 + +#define SCPI_SYSTEM_SHUTDOWN 0 +#define SCPI_SYSTEM_REBOOT 1 + +static uintptr_t gxl_sec_entrypoint; +static volatile uint32_t gxl_cpu0_go; + +static void gxl_pm_set_reset_addr(u_register_t mpidr, uint64_t value) +{ + unsigned int core = plat_calc_core_pos(mpidr); + uintptr_t cpu_mailbox_addr = AML_PSCI_MAILBOX_BASE + (core << 4); + + mmio_write_64(cpu_mailbox_addr, value); +} + +static void gxl_pm_reset(u_register_t mpidr) +{ + unsigned int core = plat_calc_core_pos(mpidr); + uintptr_t cpu_mailbox_addr = AML_PSCI_MAILBOX_BASE + (core << 4) + 8; + + mmio_write_32(cpu_mailbox_addr, 0); +} + +static void __dead2 gxl_system_reset(void) +{ + INFO("BL31: PSCI_SYSTEM_RESET\n"); + + u_register_t mpidr = read_mpidr_el1(); + uint32_t status = mmio_read_32(AML_AO_RTI_STATUS_REG3); + int ret; + + NOTICE("BL31: Reboot reason: 0x%x\n", status); + + status &= 0xFFFF0FF0; + + console_flush(); + + mmio_write_32(AML_AO_RTI_STATUS_REG3, status); + + ret = aml_scpi_sys_power_state(SCPI_SYSTEM_REBOOT); + + if (ret != 0) { + ERROR("BL31: PSCI_SYSTEM_RESET: SCP error: %i\n", ret); + panic(); + } + + gxl_pm_reset(mpidr); + + wfi(); + + ERROR("BL31: PSCI_SYSTEM_RESET: Operation not handled\n"); + panic(); +} + +static void __dead2 gxl_system_off(void) +{ + INFO("BL31: PSCI_SYSTEM_OFF\n"); + + u_register_t mpidr = read_mpidr_el1(); + int ret; + + ret = aml_scpi_sys_power_state(SCPI_SYSTEM_SHUTDOWN); + + if (ret != 0) { + ERROR("BL31: PSCI_SYSTEM_OFF: SCP error %i\n", ret); + panic(); + } + + gxl_pm_set_reset_addr(mpidr, 0); + gxl_pm_reset(mpidr); + + wfi(); + + ERROR("BL31: PSCI_SYSTEM_OFF: Operation not handled\n"); + panic(); +} + +static int32_t gxl_pwr_domain_on(u_register_t mpidr) +{ + unsigned int core = plat_calc_core_pos(mpidr); + + /* CPU0 can't be turned OFF, emulate it with a WFE loop */ + if (core == AML_PRIMARY_CPU) { + VERBOSE("BL31: Releasing CPU0 from wait loop...\n"); + + gxl_cpu0_go = 1; + flush_dcache_range((uintptr_t)&gxl_cpu0_go, + sizeof(gxl_cpu0_go)); + dsb(); + isb(); + + sev(); + + return PSCI_E_SUCCESS; + } + + gxl_pm_set_reset_addr(mpidr, gxl_sec_entrypoint); + aml_scpi_set_css_power_state(mpidr, + SCPI_POWER_ON, SCPI_POWER_ON, SCPI_POWER_ON); + dmbsy(); + sev(); + + return PSCI_E_SUCCESS; +} + +static void gxl_pwr_domain_on_finish(const psci_power_state_t *target_state) +{ + unsigned int core = plat_calc_core_pos(read_mpidr_el1()); + + assert(target_state->pwr_domain_state[MPIDR_AFFLVL0] == + PLAT_LOCAL_STATE_OFF); + + if (core == AML_PRIMARY_CPU) { + gxl_cpu0_go = 0; + flush_dcache_range((uintptr_t)&gxl_cpu0_go, + sizeof(gxl_cpu0_go)); + dsb(); + isb(); + } + + gicv2_pcpu_distif_init(); + gicv2_cpuif_enable(); +} + +static void gxl_pwr_domain_off(const psci_power_state_t *target_state) +{ + u_register_t mpidr = read_mpidr_el1(); + unsigned int core = plat_calc_core_pos(mpidr); + + gicv2_cpuif_disable(); + + /* CPU0 can't be turned OFF, emulate it with a WFE loop */ + if (core == AML_PRIMARY_CPU) + return; + + aml_scpi_set_css_power_state(mpidr, + SCPI_POWER_OFF, SCPI_POWER_ON, SCPI_POWER_ON); +} + +static void __dead2 gxl_pwr_domain_pwr_down_wfi(const psci_power_state_t + *target_state) +{ + u_register_t mpidr = read_mpidr_el1(); + unsigned int core = plat_calc_core_pos(mpidr); + + /* CPU0 can't be turned OFF, emulate it with a WFE loop */ + if (core == AML_PRIMARY_CPU) { + VERBOSE("BL31: CPU0 entering wait loop...\n"); + + while (gxl_cpu0_go == 0) + wfe(); + + VERBOSE("BL31: CPU0 resumed.\n"); + + /* + * Because setting CPU0's warm reset entrypoint through PSCI + * mailbox and/or mmio mapped RVBAR (0xda834650) does not seem + * to work, jump to it manually. + * In order to avoid an assert, mmu has to be disabled. + */ + disable_mmu_el3(); + ((void(*)(void))gxl_sec_entrypoint)(); + } + + dsbsy(); + gxl_pm_set_reset_addr(mpidr, 0); + gxl_pm_reset(mpidr); + + for (;;) + wfi(); +} + +/******************************************************************************* + * Platform handlers and setup function. + ******************************************************************************/ +static const plat_psci_ops_t gxl_ops = { + .pwr_domain_on = gxl_pwr_domain_on, + .pwr_domain_on_finish = gxl_pwr_domain_on_finish, + .pwr_domain_off = gxl_pwr_domain_off, + .pwr_domain_pwr_down_wfi = gxl_pwr_domain_pwr_down_wfi, + .system_off = gxl_system_off, + .system_reset = gxl_system_reset, +}; + +int plat_setup_psci_ops(uintptr_t sec_entrypoint, + const plat_psci_ops_t **psci_ops) +{ + gxl_sec_entrypoint = sec_entrypoint; + *psci_ops = &gxl_ops; + gxl_cpu0_go = 0; + return 0; +} diff --git a/plat/amlogic/gxl/include/platform_def.h b/plat/amlogic/gxl/include/platform_def.h new file mode 100644 index 0000000..ec64d68 --- /dev/null +++ b/plat/amlogic/gxl/include/platform_def.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef PLATFORM_DEF_H +#define PLATFORM_DEF_H + +#include <arch.h> +#include <lib/utils_def.h> + +#include "../gxl_def.h" + +#define PLATFORM_LINKER_FORMAT "elf64-littleaarch64" +#define PLATFORM_LINKER_ARCH aarch64 + +#define PLATFORM_STACK_SIZE UL(0x1000) + +#define PLATFORM_MAX_CPUS_PER_CLUSTER U(4) +#define PLATFORM_CLUSTER_COUNT U(1) +#define PLATFORM_CLUSTER0_CORE_COUNT PLATFORM_MAX_CPUS_PER_CLUSTER +#define PLATFORM_CORE_COUNT PLATFORM_CLUSTER0_CORE_COUNT + +#define AML_PRIMARY_CPU U(0) + +#define PLAT_MAX_PWR_LVL MPIDR_AFFLVL1 +#define PLAT_NUM_PWR_DOMAINS (PLATFORM_CLUSTER_COUNT + \ + PLATFORM_CORE_COUNT) + +#define PLAT_MAX_RET_STATE U(1) +#define PLAT_MAX_OFF_STATE U(2) + +/* Local power state for power domains in Run state. */ +#define PLAT_LOCAL_STATE_RUN U(0) +/* Local power state for retention. Valid only for CPU power domains */ +#define PLAT_LOCAL_STATE_RET U(1) +/* Local power state for power-down. Valid for CPU and cluster power domains. */ +#define PLAT_LOCAL_STATE_OFF U(2) + +/* + * Macros used to parse state information from State-ID if it is using the + * recommended encoding for State-ID. + */ +#define PLAT_LOCAL_PSTATE_WIDTH U(4) +#define PLAT_LOCAL_PSTATE_MASK ((U(1) << PLAT_LOCAL_PSTATE_WIDTH) - 1) + +/* + * Some data must be aligned on the biggest cache line size in the platform. + * This is known only to the platform as it might have a combination of + * integrated and external caches. + */ +#define CACHE_WRITEBACK_SHIFT U(6) +#define CACHE_WRITEBACK_GRANULE (U(1) << CACHE_WRITEBACK_SHIFT) + +/* Memory-related defines */ +#define PLAT_PHY_ADDR_SPACE_SIZE (ULL(1) << 32) +#define PLAT_VIRT_ADDR_SPACE_SIZE (ULL(1) << 32) + +#define MAX_MMAP_REGIONS 12 +#define MAX_XLAT_TABLES 6 + +#endif /* PLATFORM_DEF_H */ diff --git a/plat/amlogic/gxl/platform.mk b/plat/amlogic/gxl/platform.mk new file mode 100644 index 0000000..641d177 --- /dev/null +++ b/plat/amlogic/gxl/platform.mk @@ -0,0 +1,91 @@ +# +# Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +include lib/xlat_tables_v2/xlat_tables.mk + +AML_PLAT := plat/amlogic +AML_PLAT_SOC := ${AML_PLAT}/${PLAT} +AML_PLAT_COMMON := ${AML_PLAT}/common + +DOIMAGEPATH ?= tools/amlogic +DOIMAGETOOL ?= ${DOIMAGEPATH}/doimage + +PLAT_INCLUDES := -Iinclude/drivers/amlogic/ \ + -I${AML_PLAT_SOC}/include \ + -I${AML_PLAT_COMMON}/include + +GIC_SOURCES := drivers/arm/gic/common/gic_common.c \ + drivers/arm/gic/v2/gicv2_main.c \ + drivers/arm/gic/v2/gicv2_helpers.c \ + plat/common/plat_gicv2.c + +BL31_SOURCES += lib/cpus/aarch64/cortex_a53.S \ + plat/common/plat_psci_common.c \ + drivers/amlogic/console/aarch64/meson_console.S \ + ${AML_PLAT_SOC}/${PLAT}_bl31_setup.c \ + ${AML_PLAT_SOC}/${PLAT}_pm.c \ + ${AML_PLAT_SOC}/${PLAT}_common.c \ + ${AML_PLAT_COMMON}/aarch64/aml_helpers.S \ + ${AML_PLAT_COMMON}/aml_efuse.c \ + ${AML_PLAT_COMMON}/aml_mhu.c \ + ${AML_PLAT_COMMON}/aml_scpi.c \ + ${AML_PLAT_COMMON}/aml_sip_svc.c \ + ${AML_PLAT_COMMON}/aml_thermal.c \ + ${AML_PLAT_COMMON}/aml_topology.c \ + ${AML_PLAT_COMMON}/aml_console.c \ + drivers/amlogic/crypto/sha_dma.c \ + ${XLAT_TABLES_LIB_SRCS} \ + ${GIC_SOURCES} + +# Tune compiler for Cortex-A53 +ifeq ($(notdir $(CC)),armclang) + TF_CFLAGS_aarch64 += -mcpu=cortex-a53 +else ifneq ($(findstring clang,$(notdir $(CC))),) + TF_CFLAGS_aarch64 += -mcpu=cortex-a53 +else + TF_CFLAGS_aarch64 += -mtune=cortex-a53 +endif + +# Build config flags +# ------------------ + +# Enable all errata workarounds for Cortex-A53 +ERRATA_A53_855873 := 1 +ERRATA_A53_819472 := 1 +ERRATA_A53_824069 := 1 +ERRATA_A53_827319 := 1 + +WORKAROUND_CVE_2017_5715 := 0 + +# Have different sections for code and rodata +SEPARATE_CODE_AND_RODATA := 1 + +# Use Coherent memory +USE_COHERENT_MEM := 1 + +# Verify build config +# ------------------- + +ifneq (${RESET_TO_BL31}, 0) + $(error Error: ${PLAT} needs RESET_TO_BL31=0) +endif + +ifeq (${ARCH},aarch32) + $(error Error: AArch32 not supported on ${PLAT}) +endif + +all: ${BUILD_PLAT}/bl31.img +distclean realclean clean: cleanimage + +cleanimage: + ${Q}${MAKE} -C ${DOIMAGEPATH} clean + +${DOIMAGETOOL}: + ${Q}${MAKE} -C ${DOIMAGEPATH} + +${BUILD_PLAT}/bl31.img: ${BUILD_PLAT}/bl31.bin ${DOIMAGETOOL} + ${DOIMAGETOOL} ${BUILD_PLAT}/bl31.bin ${BUILD_PLAT}/bl31.img + |