CROSS_COMPILE=aarch64-linux-gnu- make PLAT=<Target_SoC> bl31
Target_SoC should be "imx8mq" for i.MX8MQ SoC.
+ Target_SoC should be "imx8mm" for i.MX8MM SoC.
Deploy TF-A Images
-----------------
--- /dev/null
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <lib/mmio.h>
+#include <lib/psci/psci.h>
+#include <lib/smccc.h>
+#include <platform_def.h>
+#include <services/std_svc.h>
+
+#include <gpc.h>
+#include <imx_sip_svc.h>
+
+void imx_gpc_init(void)
+{
+ unsigned int val;
+ int i;
+
+ /* mask all the wakeup irq by default */
+ for (i = 0; i < 4; i++) {
+ mmio_write_32(IMX_GPC_BASE + IMR1_CORE0_A53 + i * 4, ~0x0);
+ mmio_write_32(IMX_GPC_BASE + IMR1_CORE1_A53 + i * 4, ~0x0);
+ mmio_write_32(IMX_GPC_BASE + IMR1_CORE2_A53 + i * 4, ~0x0);
+ mmio_write_32(IMX_GPC_BASE + IMR1_CORE3_A53 + i * 4, ~0x0);
+ mmio_write_32(IMX_GPC_BASE + IMR1_CORE0_M4 + i * 4, ~0x0);
+ }
+
+ val = mmio_read_32(IMX_GPC_BASE + LPCR_A53_BSC);
+ /* use GIC wake_request to wakeup C0~C3 from LPM */
+ val |= 0x30c00000;
+ /* clear the MASTER0 LPM handshake */
+ val &= ~(1 << 6);
+ mmio_write_32(IMX_GPC_BASE + LPCR_A53_BSC, val);
+
+ /* clear MASTER1 & MASTER2 mapping in CPU0(A53) */
+ mmio_clrbits_32(IMX_GPC_BASE + MST_CPU_MAPPING, (MASTER1_MAPPING |
+ MASTER2_MAPPING));
+
+ /* set all mix/PU in A53 domain */
+ mmio_write_32(IMX_GPC_BASE + PGC_CPU_0_1_MAPPING, 0xffff);
+
+ /*
+ * Set the CORE & SCU power up timing:
+ * SW = 0x1, SW2ISO = 0x1;
+ * the CPU CORE and SCU power up timming counter
+ * is drived by 32K OSC, each domain's power up
+ * latency is (SW + SW2ISO) / 32768
+ */
+ mmio_write_32(IMX_GPC_BASE + COREx_PGC_PCR(0) + 0x4, 0x81);
+ mmio_write_32(IMX_GPC_BASE + COREx_PGC_PCR(1) + 0x4, 0x81);
+ mmio_write_32(IMX_GPC_BASE + COREx_PGC_PCR(2) + 0x4, 0x81);
+ mmio_write_32(IMX_GPC_BASE + COREx_PGC_PCR(3) + 0x4, 0x81);
+ mmio_write_32(IMX_GPC_BASE + PLAT_PGC_PCR + 0x4, 0x81);
+ mmio_write_32(IMX_GPC_BASE + PGC_SCU_TIMING,
+ (0x59 << 10) | 0x5B | (0x2 << 20));
+
+ /* set DUMMY PDN/PUP ACK by default for A53 domain */
+ mmio_write_32(IMX_GPC_BASE + PGC_ACK_SEL_A53,
+ A53_DUMMY_PUP_ACK | A53_DUMMY_PDN_ACK);
+
+ /* clear DSM by default */
+ val = mmio_read_32(IMX_GPC_BASE + SLPCR);
+ val &= ~SLPCR_EN_DSM;
+ /* enable the fast wakeup wait mode */
+ val |= SLPCR_A53_FASTWUP_WAIT_MODE;
+ /* clear the RBC */
+ val &= ~(0x3f << SLPCR_RBC_COUNT_SHIFT);
+ /* set the STBY_COUNT to 0x5, (128 * 30)us */
+ val &= ~(0x7 << SLPCR_STBY_COUNT_SHFT);
+ val |= (0x5 << SLPCR_STBY_COUNT_SHFT);
+ mmio_write_32(IMX_GPC_BASE + SLPCR, val);
+
+ /*
+ * USB PHY power up needs to make sure RESET bit in SRC is clear,
+ * otherwise, the PU power up bit in GPC will NOT self-cleared.
+ * only need to do it once.
+ */
+ mmio_clrbits_32(IMX_SRC_BASE + SRC_OTG1PHY_SCR, 0x1);
+ mmio_clrbits_32(IMX_SRC_BASE + SRC_OTG2PHY_SCR, 0x1);
+
+ /* enable all the power domain by default */
+ mmio_write_32(IMX_GPC_BASE + PU_PGC_UP_TRG, 0x3fcf);
+}
--- /dev/null
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <stdbool.h>
+
+#include <platform_def.h>
+
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <context.h>
+#include <drivers/arm/tzc380.h>
+#include <drivers/console.h>
+#include <drivers/generic_delay_timer.h>
+#include <lib/el3_runtime/context_mgmt.h>
+#include <lib/mmio.h>
+#include <lib/xlat_tables/xlat_tables.h>
+#include <plat/common/platform.h>
+
+#include <gpc.h>
+#include <imx_uart.h>
+#include <plat_imx8.h>
+
+static const mmap_region_t imx_mmap[] = {
+ MAP_REGION_FLAT(IMX_GIC_BASE, IMX_GIC_SIZE, MT_DEVICE | MT_RW),
+ MAP_REGION_FLAT(IMX_AIPS_BASE, IMX_AIPS_SIZE, MT_DEVICE | MT_RW), /* AIPS map */
+ {0},
+};
+
+static entry_point_info_t bl32_image_ep_info;
+static entry_point_info_t bl33_image_ep_info;
+
+/* get SPSR for BL33 entry */
+static uint32_t get_spsr_for_bl33_entry(void)
+{
+ unsigned long el_status;
+ unsigned long mode;
+ uint32_t spsr;
+
+ /* figure out what mode we enter the non-secure world */
+ el_status = read_id_aa64pfr0_el1() >> ID_AA64PFR0_EL2_SHIFT;
+ el_status &= ID_AA64PFR0_ELX_MASK;
+
+ mode = (el_status) ? MODE_EL2 : MODE_EL1;
+
+ spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
+ return spsr;
+}
+
+void bl31_tzc380_setup(void)
+{
+ unsigned int val;
+
+ val = mmio_read_32(IMX_IOMUX_GPR_BASE + 0x28);
+ if ((val & GPR_TZASC_EN) != GPR_TZASC_EN)
+ return;
+
+ tzc380_init(IMX_TZASC_BASE);
+
+ /*
+ * Need to substact offset 0x40000000 from CPU address when
+ * programming tzasc region for i.mx8mm.
+ */
+
+ /* Enable 1G-5G S/NS RW */
+ tzc380_configure_region(0, 0x00000000, TZC_ATTR_REGION_SIZE(TZC_REGION_SIZE_4G) |
+ TZC_ATTR_REGION_EN_MASK | TZC_ATTR_SP_ALL);
+}
+
+void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
+ u_register_t arg2, u_register_t arg3)
+{
+ static console_uart_t console;
+ int i;
+
+ /* Enable CSU NS access permission */
+ for (i = 0; i < 64; i++) {
+ mmio_write_32(IMX_CSU_BASE + i * 4, 0x00ff00ff);
+ }
+
+
+ console_imx_uart_register(IMX_BOOT_UART_BASE, IMX_BOOT_UART_CLK_IN_HZ,
+ IMX_CONSOLE_BAUDRATE, &console);
+ /* This console is only used for boot stage */
+ console_set_scope(&console.console, CONSOLE_FLAG_BOOT);
+
+ /*
+ * tell BL3-1 where the non-secure software image is located
+ * and the entry state information.
+ */
+ bl33_image_ep_info.pc = PLAT_NS_IMAGE_OFFSET;
+ bl33_image_ep_info.spsr = get_spsr_for_bl33_entry();
+ SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE);
+
+ bl31_tzc380_setup();
+}
+
+void bl31_plat_arch_setup(void)
+{
+ mmap_add_region(BL31_BASE, BL31_BASE, (BL31_LIMIT - BL31_BASE),
+ MT_MEMORY | MT_RW | MT_SECURE);
+ mmap_add_region(BL_CODE_BASE, BL_CODE_BASE, (BL_CODE_END - BL_CODE_BASE),
+ MT_MEMORY | MT_RO | MT_SECURE);
+#if USE_COHERENT_MEM
+ mmap_add_region(BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_BASE,
+ (BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE),
+ MT_DEVICE | MT_RW | MT_SECURE);
+#endif
+ mmap_add(imx_mmap);
+
+ init_xlat_tables();
+
+ enable_mmu_el3(0);
+}
+
+void bl31_platform_setup(void)
+{
+ generic_delay_timer_init();
+
+ /* select the CKIL source to 32K OSC */
+ mmio_write_32(IMX_ANAMIX_BASE + ANAMIX_MISC_CTL, 0x1);
+
+ plat_gic_driver_init();
+ plat_gic_init();
+
+ imx_gpc_init();
+}
+
+entry_point_info_t *bl31_plat_get_next_image_ep_info(unsigned int type)
+{
+ if (type == NON_SECURE)
+ return &bl33_image_ep_info;
+ if (type == SECURE)
+ return &bl32_image_ep_info;
+
+ return NULL;
+}
+
+unsigned int plat_get_syscnt_freq2(void)
+{
+ return COUNTER_FREQUENCY;
+}
--- /dev/null
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdbool.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <lib/psci/psci.h>
+
+#include <gpc.h>
+#include <imx8m_psci.h>
+#include <plat_imx8.h>
+
+static const plat_psci_ops_t imx_plat_psci_ops = {
+ .pwr_domain_on = imx_pwr_domain_on,
+ .pwr_domain_on_finish = imx_pwr_domain_on_finish,
+ .pwr_domain_off = imx_pwr_domain_off,
+ .validate_ns_entrypoint = imx_validate_ns_entrypoint,
+ .validate_power_state = imx_validate_power_state,
+ .cpu_standby = imx_cpu_standby,
+ .pwr_domain_suspend = imx_domain_suspend,
+ .pwr_domain_suspend_finish = imx_domain_suspend_finish,
+ .pwr_domain_pwr_down_wfi = imx_pwr_domain_pwr_down_wfi,
+ .get_sys_suspend_power_state = imx_get_sys_suspend_power_state,
+ .system_reset = imx_system_reset,
+ .system_off = imx_system_off,
+};
+
+/* export the platform specific psci ops */
+int plat_setup_psci_ops(uintptr_t sec_entrypoint,
+ const plat_psci_ops_t **psci_ops)
+{
+ /* sec_entrypoint is used for warm reset */
+ imx_mailbox_init(sec_entrypoint);
+
+ *psci_ops = &imx_plat_psci_ops;
+
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#define PLATFORM_LINKER_FORMAT "elf64-littleaarch64"
+#define PLATFORM_LINKER_ARCH aarch64
+
+#define PLATFORM_STACK_SIZE 0xB00
+#define CACHE_WRITEBACK_GRANULE 64
+
+#define PLAT_PRIMARY_CPU 0x0
+#define PLATFORM_MAX_CPU_PER_CLUSTER 4
+#define PLATFORM_CLUSTER_COUNT 1
+#define PLATFORM_CLUSTER0_CORE_COUNT 4
+#define PLATFORM_CLUSTER1_CORE_COUNT 0
+#define PLATFORM_CORE_COUNT (PLATFORM_CLUSTER0_CORE_COUNT)
+
+#define IMX_PWR_LVL0 MPIDR_AFFLVL0
+#define IMX_PWR_LVL1 MPIDR_AFFLVL1
+#define IMX_PWR_LVL2 MPIDR_AFFLVL2
+
+#define PWR_DOMAIN_AT_MAX_LVL U(1)
+#define PLAT_MAX_PWR_LVL U(2)
+#define PLAT_MAX_OFF_STATE U(4)
+#define PLAT_MAX_RET_STATE U(2)
+
+#define PLAT_WAIT_RET_STATE U(1)
+#define PLAT_STOP_OFF_STATE U(3)
+
+#define BL31_BASE U(0x920000)
+#define BL31_LIMIT U(0x940000)
+#define BL32_BASE U(0xbe000000)
+
+/* non-secure uboot base */
+#define PLAT_NS_IMAGE_OFFSET U(0x40200000)
+
+/* GICv3 base address */
+#define PLAT_GICD_BASE U(0x38800000)
+#define PLAT_GICR_BASE U(0x38880000)
+
+#define PLAT_VIRT_ADDR_SPACE_SIZE (1ull << 32)
+#define PLAT_PHY_ADDR_SPACE_SIZE (1ull << 32)
+
+#define MAX_XLAT_TABLES 8
+#define MAX_MMAP_REGIONS 16
+
+#define HAB_RVT_BASE U(0x00000900) /* HAB_RVT for i.MX8MM */
+
+#define IMX_BOOT_UART_BASE U(0x30890000)
+#define IMX_BOOT_UART_CLK_IN_HZ 24000000 /* Select 24MHz oscillator */
+
+#define PLAT_CRASH_UART_BASE IMX_BOOT_UART_BASE
+#define PLAT_CRASH_UART_CLK_IN_HZ 24000000
+#define IMX_CONSOLE_BAUDRATE 115200
+
+#define IMX_AIPSTZ1 U(0x301f0000)
+#define IMX_AIPSTZ2 U(0x305f0000)
+#define IMX_AIPSTZ3 U(0x309f0000)
+#define IMX_AIPSTZ4 U(0x32df0000)
+
+#define IMX_AIPS_BASE U(0x30000000)
+#define IMX_AIPS_SIZE U(0xC00000)
+#define IMX_GPV_BASE U(0x32000000)
+#define IMX_GPV_SIZE U(0x800000)
+#define IMX_AIPS1_BASE U(0x30200000)
+#define IMX_AIPS4_BASE U(0x32c00000)
+#define IMX_ANAMIX_BASE U(0x30360000)
+#define IMX_CCM_BASE U(0x30380000)
+#define IMX_SRC_BASE U(0x30390000)
+#define IMX_GPC_BASE U(0x303a0000)
+#define IMX_RDC_BASE U(0x303d0000)
+#define IMX_CSU_BASE U(0x303e0000)
+#define IMX_WDOG_BASE U(0x30280000)
+#define IMX_SNVS_BASE U(0x30370000)
+#define IMX_NOC_BASE U(0x32700000)
+#define IMX_TZASC_BASE U(0x32F80000)
+#define IMX_IOMUX_GPR_BASE U(0x30340000)
+#define IMX_DDRC_BASE U(0x3d400000)
+#define IMX_DDRPHY_BASE U(0x3c000000)
+#define IMX_DDR_IPS_BASE U(0x3d000000)
+#define IMX_ROM_BASE U(0x0)
+
+#define GPV_BASE U(0x32000000)
+#define GPV_SIZE U(0x800000)
+#define IMX_GIC_BASE PLAT_GICD_BASE
+#define IMX_GIC_SIZE U(0x200000)
+
+#define WDOG_WSR U(0x2)
+#define WDOG_WCR_WDZST BIT(0)
+#define WDOG_WCR_WDBG BIT(1)
+#define WDOG_WCR_WDE BIT(2)
+#define WDOG_WCR_WDT BIT(3)
+#define WDOG_WCR_SRS BIT(4)
+#define WDOG_WCR_WDA BIT(5)
+#define WDOG_WCR_SRE BIT(6)
+#define WDOG_WCR_WDW BIT(7)
+
+#define SRC_A53RCR0 U(0x4)
+#define SRC_A53RCR1 U(0x8)
+#define SRC_OTG1PHY_SCR U(0x20)
+#define SRC_OTG2PHY_SCR U(0x24)
+#define SRC_GPR1_OFFSET U(0x74)
+
+#define SNVS_LPCR U(0x38)
+#define SNVS_LPCR_SRTC_ENV BIT(0)
+#define SNVS_LPCR_DP_EN BIT(5)
+#define SNVS_LPCR_TOP BIT(6)
+
+#define IOMUXC_GPR10 U(0x28)
+#define GPR_TZASC_EN BIT(0)
+#define GPR_TZASC_EN_LOCK BIT(16)
+
+#define ANAMIX_MISC_CTL U(0x124)
+
+#define MAX_CSU_NUM U(64)
+
+#define OCRAM_S_BASE U(0x00180000)
+#define OCRAM_S_SIZE U(0x8000)
+#define OCRAM_S_LIMIT (OCRAM_S_BASE + OCRAM_S_SIZE)
+
+#define COUNTER_FREQUENCY 8000000 /* 8MHz */
+
+#define IMX_WDOG_B_RESET
--- /dev/null
+#
+# Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+PLAT_INCLUDES := -Iplat/imx/common/include \
+ -Iplat/imx/imx8m/include \
+ -Iplat/imx/imx8m/imx8mm/include
+
+IMX_GIC_SOURCES := drivers/arm/gic/v3/gicv3_helpers.c \
+ drivers/arm/gic/v3/arm_gicv3_common.c \
+ drivers/arm/gic/v3/gic500.c \
+ drivers/arm/gic/v3/gicv3_main.c \
+ drivers/arm/gic/common/gic_common.c \
+ plat/common/plat_gicv3.c \
+ plat/common/plat_psci_common.c \
+ plat/imx/common/plat_imx8_gic.c
+
+BL31_SOURCES += plat/imx/common/imx8_helpers.S \
+ plat/imx/imx8m/gpc_common.c \
+ plat/imx/imx8m/imx8m_psci_common.c \
+ plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c \
+ plat/imx/imx8m/imx8mm/imx8mm_psci.c \
+ plat/imx/imx8m/imx8mm/gpc.c \
+ plat/imx/common/imx8_topology.c \
+ plat/imx/common/imx_uart_console.S \
+ lib/xlat_tables/aarch64/xlat_tables.c \
+ lib/xlat_tables/xlat_tables_common.c \
+ lib/cpus/aarch64/cortex_a53.S \
+ drivers/console/aarch64/console.S \
+ drivers/arm/tzc/tzc380.c \
+ drivers/delay_timer/delay_timer.c \
+ drivers/delay_timer/generic_delay_timer.c \
+ ${IMX_GIC_SOURCES}
+
+USE_COHERENT_MEM := 1
+RESET_TO_BL31 := 1
+A53_DISABLE_NON_TEMPORAL_HINT := 0
+MULTI_CONSOLE_API := 1
+
+ERRATA_A53_835769 := 1
+ERRATA_A53_843419 := 1
+ERRATA_A53_855873 := 1
#define SLT_PLAT_PDN BIT(8)
#define SLT_PLAT_PUP BIT(9)
+#define MASTER1_MAPPING BIT(1)
+#define MASTER2_MAPPING BIT(2)
+
/* helper macro */
#define A53_LPM_MASK U(0xF)
#define A53_LPM_WAIT U(0x5)