| /* |
| * arch/arm/mach-meson/meson-smc.S |
| * |
| * Copyright (C) 2017 Amlogic, Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| */ |
| |
| #include <linux/linkage.h> |
| #include <linux/amlogic/meson-secure.h> |
| |
| .arch_extension sec |
| |
| ENTRY(meson_smc1) |
| stmfd sp!, {r2-r12, lr} |
| mov r2, r1 |
| mov r1, r0 |
| ldr r0, =CALL_TRUSTZONE_MON |
| dsb |
| smc #0 |
| ldmfd sp!, {r2-r12, pc} |
| ENDPROC(meson_smc1) |
| |
| ENTRY(meson_smc_hal_api) |
| stmfd sp!, {r3-r12, lr} |
| mov r2, r1 |
| mov r1, r0 |
| ldr r0, =CALL_TRUSTZONE_HAL_API |
| dsb |
| smc #0 |
| ldmfd sp!, {r3-r12, pc} |
| ENDPROC(meson_smc_hal_api) |
| |
| ENTRY(meson_smc2) |
| stmfd sp!, {r2-r12, lr} |
| mov r1, r0 |
| ldr r0, =0x2 |
| dsb |
| smc #0 |
| ldmfd sp!, {r2-r12, pc} |
| ENDPROC(meson_smc2) |
| |
| ENTRY(meson_smc3) |
| stmfd sp!, {r2-r12, lr} |
| mov r2, r1 |
| mov r1, r0 |
| ldr r0, =0x3 |
| dsb |
| smc #0 |
| ldmfd sp!, {r2-r12, pc} |
| ENDPROC(meson_smc3) |
| |
| ENTRY(meson_read_corectrl) |
| stmfd sp!, {r2-r12, lr} |
| ldr r1, =TRUSTZONE_MON_CORE_RD_CTRL_INDEX |
| ldr r0, =CALL_TRUSTZONE_MON |
| dsb |
| smc #0 |
| ldmfd sp!, {r2-r12, pc} |
| ENDPROC(meson_read_corectrl) |
| |
| ENTRY(meson_modify_corectrl) |
| stmfd sp!, {r2-r12, lr} |
| mov r2, r0 |
| ldr r1, =TRUSTZONE_MON_CORE_WR_CTRL_INDEX |
| ldr r0, =CALL_TRUSTZONE_MON |
| dsb |
| smc #0 |
| ldmfd sp!, {r2-r12, pc} |
| ENDPROC(meson_modify_corectrl) |
| |
| ENTRY(meson_read_corestatus) |
| stmfd sp!, {r2-r12, lr} |
| ldr r1, =TRUSTZONE_MON_CORE_RD_STATUS0_INDEX |
| add r1, r1, r0, lsl #1 |
| ldr r0, =CALL_TRUSTZONE_MON |
| dsb |
| smc #0 |
| ldmfd sp!, {r2-r12, pc} |
| ENDPROC(meson_read_corestatus) |
| |
| ENTRY(meson_modify_corestatus) |
| stmfd sp!, {r2-r12, lr} |
| mov r2, r1 |
| ldr r1, =TRUSTZONE_MON_CORE_WR_STATUS0_INDEX |
| add r1, r1, r0, lsl #1 |
| ldr r0, =CALL_TRUSTZONE_MON |
| dsb |
| smc #0 |
| ldmfd sp!, {r2-r12, pc} |
| ENDPROC(meson_modify_corestatus) |
| |
| ENTRY(meson_auxcoreboot_addr) |
| stmfd sp!, {r2-r12, lr} |
| mov r3, r1 |
| mov r2, r0 |
| ldr r1, =TRUSTZONE_MON_CORE_BOOTADDR_INDEX |
| ldr r0, =CALL_TRUSTZONE_MON |
| dsb |
| smc #0 |
| ldmfd sp!, {r2-r12, pc} |
| ENDPROC(meson_auxcoreboot_addr) |
| |
| ENTRY(meson_suspend_firmware) |
| stmfd sp!, {r2-r12, lr} |
| mov r2, r0 |
| ldr r1, =TRUSTZONE_MON_SUSPNED_FIRMWARE |
| ldr r0, =CALL_TRUSTZONE_MON |
| dsb |
| smc #0 |
| ldmfd sp!, {r2-r12, pc} |
| ENDPROC(meson_suspend_firmware) |
| |
| ENTRY(meson_read_socrev1) |
| stmfd sp!, {r2-r12, lr} |
| ldr r1, =TRUSTZONE_MON_CORE_RD_SOC_REV1 |
| ldr r0, =CALL_TRUSTZONE_MON |
| dsb |
| smc #0 |
| ldmfd sp!, {r2-r12, pc} |
| ENDPROC(meson_read_socrev1) |
| |
| ENTRY(meson_read_socrev2) |
| stmfd sp!, {r2-r12, lr} |
| ldr r1, =TRUSTZONE_MON_CORE_RD_SOC_REV2 |
| ldr r0, =CALL_TRUSTZONE_MON |
| dsb |
| smc #0 |
| ldmfd sp!, {r2-r12, pc} |
| ENDPROC(meson_read_socrev2) |
