diff options
Diffstat (limited to '')
| -rw-r--r-- | include/plat/arm/css/common/aarch64/css_macros.S | 25 | ||||
| -rw-r--r-- | include/plat/arm/css/common/css_def.h | 205 | ||||
| -rw-r--r-- | include/plat/arm/css/common/css_pm.h | 64 |
3 files changed, 294 insertions, 0 deletions
diff --git a/include/plat/arm/css/common/aarch64/css_macros.S b/include/plat/arm/css/common/aarch64/css_macros.S new file mode 100644 index 0000000..85a7044 --- /dev/null +++ b/include/plat/arm/css/common/aarch64/css_macros.S @@ -0,0 +1,25 @@ +/* + * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef CSS_MACROS_S +#define CSS_MACROS_S + +#include <arm_macros.S> +#include <platform_def.h> + + /* --------------------------------------------- + * The below required platform porting macro + * prints out relevant GIC registers whenever an + * unhandled exception is taken in BL31. + * Clobbers: x0 - x10, x16, x17, sp + * --------------------------------------------- + */ + .macro css_print_gic_regs + mov_imm x16, PLAT_ARM_GICD_BASE + mov_imm x17, PLAT_ARM_GICC_BASE + arm_print_gic_regs + .endm + +#endif /* CSS_MACROS_S */ diff --git a/include/plat/arm/css/common/css_def.h b/include/plat/arm/css/common/css_def.h new file mode 100644 index 0000000..dde174c --- /dev/null +++ b/include/plat/arm/css/common/css_def.h @@ -0,0 +1,205 @@ +/* + * Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef CSS_DEF_H +#define CSS_DEF_H + +#include <common/interrupt_props.h> +#include <drivers/arm/gic_common.h> +#include <drivers/arm/tzc400.h> + +/************************************************************************* + * Definitions common to all ARM Compute SubSystems (CSS) + *************************************************************************/ +#define NSROM_BASE 0x1f000000 +#define NSROM_SIZE 0x00001000 + +/* Following covers CSS Peripherals excluding NSROM and NSRAM */ +#define CSS_DEVICE_BASE 0x20000000 +#define CSS_DEVICE_SIZE 0x0e000000 + +/* System Security Control Registers */ +#define SSC_REG_BASE 0x2a420000 +#define SSC_GPRETN (SSC_REG_BASE + 0x030) + +/* System ID Registers Unit */ +#define SID_REG_BASE 0x2a4a0000 +#define SID_SYSTEM_ID_OFFSET 0x40 +#define SID_SYSTEM_CFG_OFFSET 0x70 +#define SID_NODE_ID_OFFSET 0x60 +#define SID_CHIP_ID_MASK 0xFF +#define SID_MULTI_CHIP_MODE_MASK 0x100 +#define SID_MULTI_CHIP_MODE_SHIFT 8 + +/* The slave_bootsecure controls access to GPU, DMC and CS. */ +#define CSS_NIC400_SLAVE_BOOTSECURE 8 + +/* Interrupt handling constants */ +#define CSS_IRQ_MHU 69 +#define CSS_IRQ_GPU_SMMU_0 71 +#define CSS_IRQ_TZC 80 +#define CSS_IRQ_TZ_WDOG 86 +#define CSS_IRQ_SEC_SYS_TIMER 91 + +/* MHU register offsets */ +#define MHU_CPU_INTR_S_SET_OFFSET 0x308 + +/* + * Define a list of Group 1 Secure interrupt properties as per GICv3 + * terminology. On a GICv2 system or mode, the interrupts will be treated as + * Group 0 interrupts. + */ +#define CSS_G1S_IRQ_PROPS(grp) \ + INTR_PROP_DESC(CSS_IRQ_MHU, GIC_HIGHEST_SEC_PRIORITY, grp, \ + GIC_INTR_CFG_LEVEL), \ + INTR_PROP_DESC(CSS_IRQ_GPU_SMMU_0, GIC_HIGHEST_SEC_PRIORITY, grp, \ + GIC_INTR_CFG_LEVEL), \ + INTR_PROP_DESC(CSS_IRQ_TZC, GIC_HIGHEST_SEC_PRIORITY, grp, \ + GIC_INTR_CFG_LEVEL), \ + INTR_PROP_DESC(CSS_IRQ_TZ_WDOG, GIC_HIGHEST_SEC_PRIORITY, grp, \ + GIC_INTR_CFG_LEVEL), \ + INTR_PROP_DESC(CSS_IRQ_SEC_SYS_TIMER, GIC_HIGHEST_SEC_PRIORITY, grp, \ + GIC_INTR_CFG_LEVEL) + +#if CSS_USE_SCMI_SDS_DRIVER +/* Memory region for shared data storage */ +#define PLAT_ARM_SDS_MEM_BASE ARM_SHARED_RAM_BASE +#define PLAT_ARM_SDS_MEM_SIZE_MAX 0xDC0 /* 3520 bytes */ +/* + * The SCMI Channel is placed right after the SDS region + */ +#define CSS_SCMI_PAYLOAD_BASE (PLAT_ARM_SDS_MEM_BASE + PLAT_ARM_SDS_MEM_SIZE_MAX) +#define CSS_SCMI_MHU_DB_REG_OFF MHU_CPU_INTR_S_SET_OFFSET + +/* Trusted mailbox base address common to all CSS */ +/* If SDS is present, then mailbox is at top of SRAM */ +#define PLAT_ARM_TRUSTED_MAILBOX_BASE (ARM_SHARED_RAM_BASE + ARM_SHARED_RAM_SIZE - 0x8) + +/* Number of retries for SCP_RAM_READY flag */ +#define CSS_SCP_READY_10US_RETRIES 1000000 /* Effective timeout of 10000 ms */ + +#else +/* + * SCP <=> AP boot configuration + * + * The SCP/AP boot configuration is a 32-bit word located at a known offset from + * the start of the Trusted SRAM. + * + * Note that the value stored at this address is only valid at boot time, before + * the SCP_BL2 image is transferred to SCP. + */ +#define SCP_BOOT_CFG_ADDR PLAT_CSS_SCP_COM_SHARED_MEM_BASE + +/* Trusted mailbox base address common to all CSS */ +/* If SDS is not present, then the mailbox is at the bottom of SRAM */ +#define PLAT_ARM_TRUSTED_MAILBOX_BASE ARM_TRUSTED_SRAM_BASE + +#endif /* CSS_USE_SCMI_SDS_DRIVER */ + +#define CSS_MAP_DEVICE MAP_REGION_FLAT( \ + CSS_DEVICE_BASE, \ + CSS_DEVICE_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define CSS_MAP_NSRAM MAP_REGION_FLAT( \ + NSRAM_BASE, \ + NSRAM_SIZE, \ + MT_DEVICE | MT_RW | MT_NS) + +#if defined(IMAGE_BL2U) +#define CSS_MAP_SCP_BL2U MAP_REGION_FLAT( \ + SCP_BL2U_BASE, \ + SCP_BL2U_LIMIT \ + - SCP_BL2U_BASE,\ + MT_RW_DATA | MT_SECURE) +#endif + +/* Platform ID address */ +#define SSC_VERSION_OFFSET 0x040 + +#define SSC_VERSION_CONFIG_SHIFT 28 +#define SSC_VERSION_MAJOR_REV_SHIFT 24 +#define SSC_VERSION_MINOR_REV_SHIFT 20 +#define SSC_VERSION_DESIGNER_ID_SHIFT 12 +#define SSC_VERSION_PART_NUM_SHIFT 0x0 +#define SSC_VERSION_CONFIG_MASK 0xf +#define SSC_VERSION_MAJOR_REV_MASK 0xf +#define SSC_VERSION_MINOR_REV_MASK 0xf +#define SSC_VERSION_DESIGNER_ID_MASK 0xff +#define SSC_VERSION_PART_NUM_MASK 0xfff + +#define SID_SYSTEM_ID_PART_NUM_MASK 0xfff + +/* SSC debug configuration registers */ +#define SSC_DBGCFG_SET 0x14 +#define SSC_DBGCFG_CLR 0x18 + +#define SPNIDEN_INT_CLR_SHIFT 4 +#define SPNIDEN_SEL_SET_SHIFT 5 +#define SPIDEN_INT_CLR_SHIFT 6 +#define SPIDEN_SEL_SET_SHIFT 7 + +#ifndef __ASSEMBLER__ + +/* SSC_VERSION related accessors */ + +/* Returns the part number of the platform */ +#define GET_SSC_VERSION_PART_NUM(val) \ + (((val) >> SSC_VERSION_PART_NUM_SHIFT) & \ + SSC_VERSION_PART_NUM_MASK) + +/* Returns the configuration number of the platform */ +#define GET_SSC_VERSION_CONFIG(val) \ + (((val) >> SSC_VERSION_CONFIG_SHIFT) & \ + SSC_VERSION_CONFIG_MASK) + +#endif /* __ASSEMBLER__ */ + +/************************************************************************* + * Required platform porting definitions common to all + * ARM Compute SubSystems (CSS) + ************************************************************************/ + +/* + * The loading of SCP images(SCP_BL2 or SCP_BL2U) is done if there + * respective base addresses are defined (i.e SCP_BL2_BASE, SCP_BL2U_BASE). + * Hence, `CSS_LOAD_SCP_IMAGES` needs to be set to 1 if BL2 needs to load + * an SCP_BL2/SCP_BL2U image. + */ +#if CSS_LOAD_SCP_IMAGES + +#if ARM_BL31_IN_DRAM +#error "SCP_BL2 is not expected to be loaded by BL2 for ARM_BL31_IN_DRAM config" +#endif + +/* + * Load address of SCP_BL2 in CSS platform ports + * SCP_BL2 is loaded to the same place as BL31 but it shouldn't overwrite BL1 + * rw data or BL2. Once SCP_BL2 is transferred to the SCP, it is discarded and + * BL31 is loaded over the top. + */ +#define SCP_BL2_BASE (BL2_BASE - PLAT_CSS_MAX_SCP_BL2_SIZE) +#define SCP_BL2_LIMIT BL2_BASE + +#define SCP_BL2U_BASE (BL2_BASE - PLAT_CSS_MAX_SCP_BL2U_SIZE) +#define SCP_BL2U_LIMIT BL2_BASE +#endif /* CSS_LOAD_SCP_IMAGES */ + +/* Load address of Non-Secure Image for CSS platform ports */ +#define PLAT_ARM_NS_IMAGE_BASE U(0xE0000000) + +/* + * Parsing of CPU and Cluster states, as returned by 'Get CSS Power State' SCP + * command + */ +#define CSS_CLUSTER_PWR_STATE_ON 0 +#define CSS_CLUSTER_PWR_STATE_OFF 3 + +#define CSS_CPU_PWR_STATE_ON 1 +#define CSS_CPU_PWR_STATE_OFF 0 +#define CSS_CPU_PWR_STATE(state, n) (((state) >> (n)) & 1) + +#endif /* CSS_DEF_H */ diff --git a/include/plat/arm/css/common/css_pm.h b/include/plat/arm/css/common/css_pm.h new file mode 100644 index 0000000..84e6b38 --- /dev/null +++ b/include/plat/arm/css/common/css_pm.h @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2015-2022, Arm Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef CSS_PM_H +#define CSS_PM_H + +#include <cdefs.h> +#include <stdint.h> + +#include <lib/psci/psci.h> + +/* SGI used to trigger per-core power down request */ +#define CSS_CPU_PWR_DOWN_REQ_INTR ARM_IRQ_SEC_SGI_7 + +/* Macros to read the CSS power domain state */ +#define CSS_CORE_PWR_STATE(state) (state)->pwr_domain_state[ARM_PWR_LVL0] +#define CSS_CLUSTER_PWR_STATE(state) (state)->pwr_domain_state[ARM_PWR_LVL1] + +static inline unsigned int css_system_pwr_state(const psci_power_state_t *state) +{ +#if (PLAT_MAX_PWR_LVL == CSS_SYSTEM_PWR_DMN_LVL) + return state->pwr_domain_state[CSS_SYSTEM_PWR_DMN_LVL]; +#else + return 0; +#endif +} + +int css_pwr_domain_on(u_register_t mpidr); +void css_pwr_domain_on_finish(const psci_power_state_t *target_state); +void css_pwr_domain_on_finish_late(const psci_power_state_t *target_state); +void css_pwr_domain_off(const psci_power_state_t *target_state); +void css_pwr_domain_suspend(const psci_power_state_t *target_state); +void css_pwr_domain_suspend_finish( + const psci_power_state_t *target_state); +void __dead2 css_system_off(void); +void __dead2 css_system_reset(void); +void css_cpu_standby(plat_local_state_t cpu_state); +void css_get_sys_suspend_power_state(psci_power_state_t *req_state); +int css_node_hw_state(u_register_t mpidr, unsigned int power_level); +void css_setup_cpu_pwr_down_intr(void); +int css_reboot_interrupt_handler(uint32_t intr_raw, uint32_t flags, + void *handle, void *cookie); + +/* + * This mapping array has to be exported by the platform. Each element at + * a given index maps that core to an SCMI power domain. + */ +extern const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[]; + +#define SCMI_DOMAIN_ID_MASK U(0xFFFF) +#define SCMI_CHANNEL_ID_MASK U(0xFFFF) +#define SCMI_CHANNEL_ID_SHIFT U(16) + +#define SET_SCMI_CHANNEL_ID(n) (((n) & SCMI_CHANNEL_ID_MASK) << \ + SCMI_CHANNEL_ID_SHIFT) +#define SET_SCMI_DOMAIN_ID(n) ((n) & SCMI_DOMAIN_ID_MASK) +#define GET_SCMI_CHANNEL_ID(n) (((n) >> SCMI_CHANNEL_ID_SHIFT) & \ + SCMI_CHANNEL_ID_MASK) +#define GET_SCMI_DOMAIN_ID(n) ((n) & SCMI_DOMAIN_ID_MASK) + +#endif /* CSS_PM_H */ |