diff options
Diffstat (limited to '')
| -rw-r--r-- | plat/amlogic/g12a/g12a_bl31_setup.c | 142 | ||||
| -rw-r--r-- | plat/amlogic/g12a/g12a_common.c | 125 | ||||
| -rw-r--r-- | plat/amlogic/g12a/g12a_def.h | 135 | ||||
| -rw-r--r-- | plat/amlogic/g12a/g12a_pm.c | 215 | ||||
| -rw-r--r-- | plat/amlogic/g12a/include/platform_def.h | 63 | ||||
| -rw-r--r-- | plat/amlogic/g12a/platform.mk | 91 |
6 files changed, 771 insertions, 0 deletions
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 + |