| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * Copied from omap44xx-smc.S Copyright (C) 2010 Texas Instruments, Inc. |
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| 4 | * Copyright 2012 Calxeda, Inc. |
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| 5 | */ |
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| 6 | |
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| 7 | #include <linux/linkage.h> |
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| 8 | |
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| 9 | /* |
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| 10 | * This is common routine to manage secure monitor API |
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| 11 | * used to modify the PL310 secure registers. |
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| 12 | * 'r0' contains the value to be modified and 'r12' contains |
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| 13 | * the monitor API number. |
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| 14 | * Function signature : void highbank_smc1(u32 fn, u32 arg) |
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| 15 | */ |
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| 16 | .arch armv7-a |
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| 17 | .arch_extension sec |
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| 18 | ENTRY(highbank_smc1) |
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| 19 | stmfd sp!, {r4-r11, lr} |
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| 20 | mov r12, r0 |
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| 21 | mov r0, r1 |
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| 22 | dsb |
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| 23 | smc #0 |
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| 24 | ldmfd sp!, {r4-r11, pc} |
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| 25 | ENDPROC(highbank_smc1) |
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| 26 | |
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