diff options
Diffstat (limited to 'plat/qti/common/src/aarch64')
| -rw-r--r-- | plat/qti/common/src/aarch64/qti_helpers.S | 81 | ||||
| -rw-r--r-- | plat/qti/common/src/aarch64/qti_kryo4_gold.S | 77 | ||||
| -rw-r--r-- | plat/qti/common/src/aarch64/qti_kryo4_silver.S | 71 | ||||
| -rw-r--r-- | plat/qti/common/src/aarch64/qti_kryo6_gold.S | 75 | ||||
| -rw-r--r-- | plat/qti/common/src/aarch64/qti_kryo6_silver.S | 71 | ||||
| -rw-r--r-- | plat/qti/common/src/aarch64/qti_uart_console.S | 102 |
6 files changed, 477 insertions, 0 deletions
diff --git a/plat/qti/common/src/aarch64/qti_helpers.S b/plat/qti/common/src/aarch64/qti_helpers.S new file mode 100644 index 0000000..d34b530 --- /dev/null +++ b/plat/qti/common/src/aarch64/qti_helpers.S @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2018,2020, The Linux Foundation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <drivers/arm/gicv2.h> +#include <drivers/arm/gicv3.h> +#include <drivers/console.h> + +#include <platform_def.h> + + .globl plat_my_core_pos + .globl plat_qti_core_pos_by_mpidr + .globl plat_reset_handler + .globl plat_panic_handler + + /* ----------------------------------------------------- + * unsigned int plat_qti_core_pos_by_mpidr(uint64_t mpidr) + * Helper function to calculate the core position. + * With this function: + * CorePos = (ClusterId * 4) + CoreId + * - In ARM v8 (MPIDR_EL1[24]=0) + * ClusterId = MPIDR_EL1[15:8] + * CoreId = MPIDR_EL1[7:0] + * - In ARM v8.1 (MPIDR_EL1[24]=1) + * ClusterId = MPIDR_EL1[23:15] + * CoreId = MPIDR_EL1[15:8] + * Clobbers: x0 & x1. + * ----------------------------------------------------- + */ +func plat_qti_core_pos_by_mpidr + mrs x1, mpidr_el1 + tst x1, #MPIDR_MT_MASK + beq plat_qti_core_pos_by_mpidr_no_mt + /* Right shift mpidr by one affinity level when MT=1. */ + lsr x0, x0, #MPIDR_AFFINITY_BITS +plat_qti_core_pos_by_mpidr_no_mt: + and x1, x0, #MPIDR_CPU_MASK + and x0, x0, #MPIDR_CLUSTER_MASK + add x0, x1, x0, LSR #6 + ret +endfunc plat_qti_core_pos_by_mpidr + + /* -------------------------------------------------------------------- + * void plat_panic_handler(void) + * calls SDI and reset system + * -------------------------------------------------------------------- + */ +func plat_panic_handler + msr spsel, #0 + bl plat_set_my_stack + b qtiseclib_panic +endfunc plat_panic_handler + + /* ----------------------------------------------------- + * unsigned int plat_my_core_pos(void) + * This function uses the plat_qti_calc_core_pos() + * definition to get the index of the calling CPU + * Clobbers: x0 & x1. + * ----------------------------------------------------- + */ +func plat_my_core_pos + mrs x0, mpidr_el1 + b plat_qti_core_pos_by_mpidr +endfunc plat_my_core_pos + +func plat_reset_handler + /* save the lr */ + mov x18, x30 + + /* pass cold boot status. */ + ldr w0, g_qti_bl31_cold_booted + /* Execuete CPUSS boot set up on every core. */ + bl qtiseclib_cpuss_reset_asm + + ret x18 +endfunc plat_reset_handler diff --git a/plat/qti/common/src/aarch64/qti_kryo4_gold.S b/plat/qti/common/src/aarch64/qti_kryo4_gold.S new file mode 100644 index 0000000..9bcdf54 --- /dev/null +++ b/plat/qti/common/src/aarch64/qti_kryo4_gold.S @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <cpu_macros.S> + +#include <plat_macros.S> +#include <qti_cpu.h> + + .p2align 3 + +/* ------------------------------------------------- + * The CPU Ops reset function for Kryo-3 Gold + * ------------------------------------------------- + */ +func qti_kryo4_gold_reset_func +#if IMAGE_BL31 && WORKAROUND_CVE_2017_5715 + adr x0, wa_cve_2017_5715_bpiall_vbar + msr vbar_el3, x0 + isb +#endif + + mov x19, x30 + + bl qtiseclib_kryo4_gold_reset_asm + mov x30, x19 + b cortex_a76_reset_func + +endfunc qti_kryo4_gold_reset_func + +/* ------------------------------------------------------- + * The CPU Ops cluster power down function for Kryo-3 Gold + * ------------------------------------------------------- + */ +func qti_kryo4_gold_cluster_pwr_dwn + ret +endfunc qti_kryo4_gold_cluster_pwr_dwn + +#if REPORT_ERRATA +/* + * Errata printing function for Kryo4 Gold. Must follow AAPCS. + */ +func qti_kryo4_gold_errata_report + /* TODO : Need to add support. Required only for debug bl31 image.*/ + ret +endfunc qti_kryo4_gold_errata_report +#endif + +/* --------------------------------------------- + * This function provides kryo4_gold specific + * register information for crash reporting. + * It needs to return with x6 pointing to + * a list of register names in ASCII and + * x8 - x15 having values of registers to be + * reported. + * --------------------------------------------- + */ +.section .rodata.qti_kryo4_gold_regs, "aS" +qti_kryo4_gold_regs: /* The ASCII list of register names to be reported */ + .asciz "" + +func qti_kryo4_gold_cpu_reg_dump + adr x6, qti_kryo4_gold_regs + ret +endfunc qti_kryo4_gold_cpu_reg_dump + +declare_cpu_ops_wa qti_kryo4_gold, QTI_KRYO4_GOLD_MIDR, \ + qti_kryo4_gold_reset_func, \ + CPU_NO_EXTRA1_FUNC, \ + cortex_a76_disable_wa_cve_2018_3639, \ + cortex_a76_core_pwr_dwn, \ + qti_kryo4_gold_cluster_pwr_dwn diff --git a/plat/qti/common/src/aarch64/qti_kryo4_silver.S b/plat/qti/common/src/aarch64/qti_kryo4_silver.S new file mode 100644 index 0000000..36374b7 --- /dev/null +++ b/plat/qti/common/src/aarch64/qti_kryo4_silver.S @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <cpu_macros.S> + +#include <plat_macros.S> +#include <qti_cpu.h> + + .p2align 3 + +/* ------------------------------------------------- + * The CPU Ops reset function for Kryo-3 Silver + * ------------------------------------------------- + */ +func qti_kryo4_silver_reset_func + mov x19, x30 + + bl qtiseclib_kryo4_silver_reset_asm + mov x30, x19 + b cortex_a55_reset_func + +endfunc qti_kryo4_silver_reset_func + +/* --------------------------------------------------------- + * The CPU Ops cluster power down function for Kryo-3 Silver + * --------------------------------------------------------- + */ +func qti_kryo4_silver_cluster_pwr_dwn + ret +endfunc qti_kryo4_silver_cluster_pwr_dwn + +#if REPORT_ERRATA +/* + * Errata printing function for Kryo4 Silver. Must follow AAPCS. + */ +func qti_kryo4_silver_errata_report + /* TODO : Need to add support. Required only for debug bl31 image.*/ + ret +endfunc qti_kryo4_silver_errata_report +#endif + + +/* --------------------------------------------- + * This function provides kryo4_silver specific + * register information for crash reporting. + * It needs to return with x6 pointing to + * a list of register names in ASCII and + * x8 - x15 having values of registers to be + * reported. + * --------------------------------------------- + */ +.section .rodata.qti_kryo4_silver_regs, "aS" +qti_kryo4_silver_regs: /* The ASCII list of register names to be reported */ + .asciz "" + +func qti_kryo4_silver_cpu_reg_dump + adr x6, qti_kryo4_silver_regs + ret +endfunc qti_kryo4_silver_cpu_reg_dump + + +declare_cpu_ops qti_kryo4_silver, QTI_KRYO4_SILVER_MIDR, \ + qti_kryo4_silver_reset_func, \ + cortex_a55_core_pwr_dwn, \ + qti_kryo4_silver_cluster_pwr_dwn diff --git a/plat/qti/common/src/aarch64/qti_kryo6_gold.S b/plat/qti/common/src/aarch64/qti_kryo6_gold.S new file mode 100644 index 0000000..577e7ff --- /dev/null +++ b/plat/qti/common/src/aarch64/qti_kryo6_gold.S @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2015-2018, Arm Limited and Contributors. All rights reserved. + * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <cpu_macros.S> + +#include <plat_macros.S> +#include <qti_cpu.h> + + .p2align 3 + +/* ------------------------------------------------- + * The CPU Ops reset function for Kryo-3 Gold + * ------------------------------------------------- + */ +func qti_kryo6_gold_reset_func +#if IMAGE_BL31 && WORKAROUND_CVE_2017_5715 + adr x0, wa_cve_2017_5715_bpiall_vbar + msr vbar_el3, x0 + isb +#endif + + mov x19, x30 + + bl qtiseclib_kryo6_gold_reset_asm + mov x30, x19 + b cortex_a78_reset_func + +endfunc qti_kryo6_gold_reset_func + +/* ------------------------------------------------------- + * The CPU Ops cluster power down function for Kryo-3 Gold + * ------------------------------------------------------- + */ +func qti_kryo6_gold_cluster_pwr_dwn + ret +endfunc qti_kryo6_gold_cluster_pwr_dwn + +#if REPORT_ERRATA +/* + * Errata printing function for Kryo4 Gold. Must follow AAPCS. + */ +func qti_kryo6_gold_errata_report + /* TODO : Need to add support. Required only for debug bl31 image.*/ + ret +endfunc qti_kryo6_gold_errata_report +#endif + +/* --------------------------------------------- + * This function provides kryo4_gold specific + * register information for crash reporting. + * It needs to return with x6 pointing to + * a list of register names in ASCII and + * x8 - x15 having values of registers to be + * reported. + * --------------------------------------------- + */ +.section .rodata.qti_kryo4_gold_regs, "aS" +qti_kryo6_gold_regs: /* The ASCII list of register names to be reported */ + .asciz "" + +func qti_kryo6_gold_cpu_reg_dump + adr x6, qti_kryo6_gold_regs + ret +endfunc qti_kryo6_gold_cpu_reg_dump + +declare_cpu_ops qti_kryo6_gold, QTI_KRYO6_GOLD_MIDR, \ + qti_kryo6_gold_reset_func, \ + cortex_a78_core_pwr_dwn, \ + qti_kryo6_gold_cluster_pwr_dwn diff --git a/plat/qti/common/src/aarch64/qti_kryo6_silver.S b/plat/qti/common/src/aarch64/qti_kryo6_silver.S new file mode 100644 index 0000000..6ad0bca --- /dev/null +++ b/plat/qti/common/src/aarch64/qti_kryo6_silver.S @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2015-2018, Arm Limited and Contributors. All rights reserved. + * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <cpu_macros.S> + +#include <plat_macros.S> +#include <qti_cpu.h> + + .p2align 3 + +/* ------------------------------------------------- + * The CPU Ops reset function for Kryo-3 Silver + * ------------------------------------------------- + */ +func qti_kryo6_silver_reset_func + mov x19, x30 + + bl qtiseclib_kryo6_silver_reset_asm + mov x30, x19 + b cortex_a55_reset_func + +endfunc qti_kryo6_silver_reset_func + +/* --------------------------------------------------------- + * The CPU Ops cluster power down function for Kryo-3 Silver + * --------------------------------------------------------- + */ +func qti_kryo6_silver_cluster_pwr_dwn + ret +endfunc qti_kryo6_silver_cluster_pwr_dwn + +#if REPORT_ERRATA +/* + * Errata printing function for Kryo4 Silver. Must follow AAPCS. + */ +func qti_kryo6_silver_errata_report + /* TODO : Need to add support. Required only for debug bl31 image.*/ + ret +endfunc qti_kryo6_silver_errata_report +#endif + + +/* --------------------------------------------- + * This function provides kryo4_silver specific + * register information for crash reporting. + * It needs to return with x6 pointing to + * a list of register names in ASCII and + * x8 - x15 having values of registers to be + * reported. + * --------------------------------------------- + */ +.section .rodata.qti_kryo4_silver_regs, "aS" +qti_kryo6_silver_regs: /* The ASCII list of register names to be reported */ + .asciz "" + +func qti_kryo6_silver_cpu_reg_dump + adr x6, qti_kryo6_silver_regs + ret +endfunc qti_kryo6_silver_cpu_reg_dump + + +declare_cpu_ops qti_kryo6_silver, QTI_KRYO6_SILVER_MIDR, \ + qti_kryo6_silver_reset_func, \ + cortex_a55_core_pwr_dwn, \ + qti_kryo6_silver_cluster_pwr_dwn diff --git a/plat/qti/common/src/aarch64/qti_uart_console.S b/plat/qti/common/src/aarch64/qti_uart_console.S new file mode 100644 index 0000000..2eb33d9 --- /dev/null +++ b/plat/qti/common/src/aarch64/qti_uart_console.S @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2018,2020 The Linux Foundation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <asm_macros.S> +#include <console_macros.S> + +#include <platform_def.h> +#include <qti_uart_console.h> + +/* + * This driver implements console logging into a ring buffer. + */ + + .globl qti_console_uart_register + + /* ----------------------------------------------- + * int qti_console_uart_register(console_t *console, + * uintptr_t uart_base_addr) + * Registers uart console instance. + * In: x0 - pointer to empty console_t struct + * x1 - start address of uart block. + * Out: x0 - 1 to indicate success + * Clobber list: x0, x1, x14 + * ----------------------------------------------- + */ +func qti_console_uart_register + str x1, [x0, #CONSOLE_T_BASE] /* Save UART base. */ + finish_console_register uart putc=1, flush=1 +endfunc qti_console_uart_register + + /* ----------------------------------------------- + * int qti_console_uart_puts(int c, console_t *console) + * Writes a character to the UART console. + * The character must be preserved in x0. + * In: x0 - character to be stored + * x1 - pointer to console_t struct + * Clobber list: x1, x2 + * ----------------------------------------------- + */ +func console_uart_putc + /* set x1 = UART base. */ + ldr x1, [x1, #CONSOLE_T_BASE] + + /* Loop until M_GENI_CMD_ACTIVE bit not clear. */ +1: ldr w2, [x1, #GENI_STATUS_REG] + and w2, w2, #GENI_STATUS_M_GENI_CMD_ACTIVE_MASK + cmp w2, #GENI_STATUS_M_GENI_CMD_ACTIVE_MASK + b.eq 1b + + /* Transmit data. */ + cmp w0, #0xA + b.ne 3f + + /* Add '\r' when input char is '\n' */ + mov w2, #0x1 + mov w0, #0xD + str w2, [x1, #UART_TX_TRANS_LEN_REG] + mov w2, #GENI_M_CMD_TX + str w2, [x1, #GENI_M_CMD0_REG] + str w0, [x1, #GENI_TX_FIFOn_REG] + mov w0, #0xA + + /* Loop until M_GENI_CMD_ACTIVE bit not clear. */ +2: ldr w2, [x1, #GENI_STATUS_REG] + and w2, w2, #GENI_STATUS_M_GENI_CMD_ACTIVE_MASK + cmp w2, #GENI_STATUS_M_GENI_CMD_ACTIVE_MASK + b.eq 2b + + /* Transmit i/p data. */ +3: mov w2, #0x1 + str w2, [x1, #UART_TX_TRANS_LEN_REG] + mov w2, #GENI_M_CMD_TX + str w2, [x1, #GENI_M_CMD0_REG] + str w0, [x1, #GENI_TX_FIFOn_REG] + + ret +endfunc console_uart_putc + + /* ----------------------------------------------- + * int qti_console_uart_flush(console_t *console) + * In: x0 - pointer to console_t struct + * Out: x0 - 0 for success + * Clobber list: x0, x1 + * ----------------------------------------------- + */ +func console_uart_flush + /* set x0 = UART base. */ + ldr x0, [x0, #CONSOLE_T_BASE] + + /* Loop until M_GENI_CMD_ACTIVE bit not clear. */ +1: ldr w1, [x0, #GENI_STATUS_REG] + and w1, w1, #GENI_STATUS_M_GENI_CMD_ACTIVE_MASK + cmp w1, #GENI_STATUS_M_GENI_CMD_ACTIVE_MASK + b.eq 1b + + mov w0, #0 + ret +endfunc console_uart_flush |