diff options
Diffstat (limited to '')
| -rw-r--r-- | plat/hisilicon/hikey/aarch64/hikey_common.c | 128 | ||||
| -rw-r--r-- | plat/hisilicon/hikey/aarch64/hikey_helpers.S | 159 |
2 files changed, 287 insertions, 0 deletions
diff --git a/plat/hisilicon/hikey/aarch64/hikey_common.c b/plat/hisilicon/hikey/aarch64/hikey_common.c new file mode 100644 index 0000000..702fc2d --- /dev/null +++ b/plat/hisilicon/hikey/aarch64/hikey_common.c @@ -0,0 +1,128 @@ +/* + * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> + +#include <arch_helpers.h> +#include <common/bl_common.h> +#include <common/debug.h> +#include <lib/mmio.h> +#include <lib/xlat_tables/xlat_tables.h> +#include <plat/common/platform.h> + +#include <hikey_def.h> +#include <hikey_layout.h> + +#define MAP_DDR MAP_REGION_FLAT(DDR_BASE, \ + DDR_SIZE - DDR_SEC_SIZE, \ + MT_DEVICE | MT_RW | MT_NS) + +#define MAP_DEVICE MAP_REGION_FLAT(DEVICE_BASE, \ + DEVICE_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_TSP_MEM MAP_REGION_FLAT(TSP_SEC_MEM_BASE, \ + TSP_SEC_MEM_SIZE, \ + MT_MEMORY | MT_RW | MT_SECURE) + +#define MAP_ROM_PARAM MAP_REGION_FLAT(XG2RAM0_BASE, \ + BL1_XG2RAM0_OFFSET, \ + MT_DEVICE | MT_RO | MT_SECURE) + +#define MAP_SRAM MAP_REGION_FLAT(SRAM_BASE, \ + SRAM_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +/* + * BL1 needs to access the areas of MMC_SRAM. + * BL1 loads BL2 from eMMC into SRAM before DDR initialized. + */ +#define MAP_MMC_SRAM MAP_REGION_FLAT(HIKEY_BL1_MMC_DESC_BASE, \ + HIKEY_BL1_MMC_DESC_SIZE + \ + HIKEY_BL1_MMC_DATA_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +/* + * Table of regions for different BL stages to map using the MMU. + * This doesn't include Trusted RAM as the 'mem_layout' argument passed to + * hikey_init_mmu_elx() will give the available subset of that, + */ +#ifdef IMAGE_BL1 +static const mmap_region_t hikey_mmap[] = { + MAP_DEVICE, + MAP_ROM_PARAM, + MAP_MMC_SRAM, + {0} +}; +#endif + +#ifdef IMAGE_BL2 +static const mmap_region_t hikey_mmap[] = { + MAP_DDR, + MAP_DEVICE, + MAP_TSP_MEM, + MAP_SRAM, + {0} +}; +#endif + +#ifdef IMAGE_BL31 +static const mmap_region_t hikey_mmap[] = { + MAP_DEVICE, + MAP_SRAM, + MAP_TSP_MEM, + {0} +}; +#endif + +#ifdef IMAGE_BL32 +static const mmap_region_t hikey_mmap[] = { + MAP_DEVICE, + MAP_DDR, + {0} +}; +#endif + +/* + * Macro generating the code for the function setting up the pagetables as per + * the platform memory map & initialize the mmu, for the given exception level + */ +#define HIKEY_CONFIGURE_MMU_EL(_el) \ + void hikey_init_mmu_el##_el(unsigned long total_base, \ + unsigned long total_size, \ + unsigned long ro_start, \ + unsigned long ro_limit, \ + unsigned long coh_start, \ + unsigned long coh_limit) \ + { \ + mmap_add_region(total_base, total_base, \ + total_size, \ + MT_MEMORY | MT_RW | MT_SECURE); \ + mmap_add_region(ro_start, ro_start, \ + ro_limit - ro_start, \ + MT_MEMORY | MT_RO | MT_SECURE); \ + mmap_add_region(coh_start, coh_start, \ + coh_limit - coh_start, \ + MT_DEVICE | MT_RW | MT_SECURE); \ + mmap_add(hikey_mmap); \ + init_xlat_tables(); \ + \ + enable_mmu_el##_el(0); \ + } + +/* Define EL1 and EL3 variants of the function initialising the MMU */ +HIKEY_CONFIGURE_MMU_EL(1) +HIKEY_CONFIGURE_MMU_EL(3) + +unsigned long plat_get_ns_image_entrypoint(void) +{ + return HIKEY_NS_IMAGE_OFFSET; +} + +unsigned int plat_get_syscnt_freq2(void) +{ + return 1200000; +} diff --git a/plat/hisilicon/hikey/aarch64/hikey_helpers.S b/plat/hisilicon/hikey/aarch64/hikey_helpers.S new file mode 100644 index 0000000..82a404a --- /dev/null +++ b/plat/hisilicon/hikey/aarch64/hikey_helpers.S @@ -0,0 +1,159 @@ +/* + * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <hikey_def.h> + + .globl plat_my_core_pos + .globl platform_mem_init + .globl plat_crash_console_init + .globl plat_crash_console_putc + .globl plat_crash_console_flush + .globl plat_report_exception + .globl plat_reset_handler + +func plat_my_core_pos + mrs x0, mpidr_el1 + and x1, x0, #MPIDR_CPU_MASK + and x0, x0, #MPIDR_CLUSTER_MASK + add x0, x1, x0, LSR #6 + ret +endfunc plat_my_core_pos + + /* ----------------------------------------------------- + * void platform_mem_init(void); + * + * We don't need to carry out any memory initialization + * on HIKEY. The Secure RAM is accessible straight away. + * ----------------------------------------------------- + */ +func platform_mem_init + ret +endfunc platform_mem_init + + /* --------------------------------------------- + * int plat_crash_console_init(void) + * Function to initialize the crash console + * without a C Runtime to print crash report. + * Clobber list : x0, x1, x2 + * --------------------------------------------- + */ +func plat_crash_console_init + mov_imm x0, CRASH_CONSOLE_BASE + mov_imm x1, PL011_UART_CLK_IN_HZ + mov_imm x2, PL011_BAUDRATE + b console_pl011_core_init +endfunc plat_crash_console_init + + /* --------------------------------------------- + * int plat_crash_console_putc(int c) + * Function to print a character on the crash + * console without a C Runtime. + * Clobber list : x1, x2 + * --------------------------------------------- + */ +func plat_crash_console_putc + mov_imm x1, CRASH_CONSOLE_BASE + b console_pl011_core_putc +endfunc plat_crash_console_putc + + /* --------------------------------------------- + * void plat_crash_console_flush() + * Function to force a write of all buffered + * data that hasn't been output. + * Out : void. + * Clobber list : x0, x1 + * --------------------------------------------- + */ +func plat_crash_console_flush + mov_imm x0, CRASH_CONSOLE_BASE + b console_pl011_core_flush +endfunc plat_crash_console_flush + + /* --------------------------------------------- + * void plat_report_exception(unsigned int type) + * Function to report an unhandled exception + * with platform-specific means. + * On HIKEY platform, it updates the LEDs + * to indicate where we are + * --------------------------------------------- + */ +func plat_report_exception + mov x8, x30 + + /* Turn on LED according to x0 (0 -- f) */ + ldr x2, =0xf7020000 + and x1, x0, #1 + str w1, [x2, #4] + and x1, x0, #2 + str w1, [x2, #8] + and x1, x0, #4 + str w1, [x2, #16] + and x1, x0, #8 + str w1, [x2, #32] + + mrs x2, currentel + and x2, x2, #0xc0 + /* Check EL1 */ + cmp x2, #0x04 + beq plat_report_el1 + + adr x4, plat_err_str + bl asm_print_str + + adr x4, esr_el3_str + bl asm_print_str + + mrs x4, esr_el3 + bl asm_print_hex + + adr x4, elr_el3_str + bl asm_print_str + + mrs x4, elr_el3 + bl asm_print_hex + b plat_report_end + +plat_report_el1: + adr x4, plat_err_str + bl asm_print_str + + adr x4, esr_el1_str + bl asm_print_str + + mrs x4, esr_el1 + bl asm_print_hex + + adr x4, elr_el1_str + bl asm_print_str + + mrs x4, elr_el1 + bl asm_print_hex +plat_report_end: + mov x30, x8 + ret +endfunc plat_report_exception + + /* ----------------------------------------------------- + * void plat_reset_handler(void); + * ----------------------------------------------------- + */ +func plat_reset_handler + ret +endfunc plat_reset_handler + +.section .rodata.rev_err_str, "aS" +plat_err_str: + .asciz "\nPlatform exception reporting:" +esr_el3_str: + .asciz "\nESR_EL3: " +elr_el3_str: + .asciz "\nELR_EL3: " +esr_el1_str: + .asciz "\nESR_EL1: " +elr_el1_str: + .asciz "\nELR_EL1: " |