1/* 2 * OMAP44xx secure APIs file. 3 * 4 * Copyright (C) 2010 Texas Instruments, Inc. 5 * Written by Santosh Shilimkar <santosh.shilimkar@ti.com> 6 * 7 * 8 * This program is free software,you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13#include <linux/linkage.h> 14 15/* 16 * This is common routine to manage secure monitor API 17 * used to modify the PL310 secure registers. 18 * 'r0' contains the value to be modified and 'r12' contains 19 * the monitor API number. It uses few CPU registers 20 * internally and hence they need be backed up including 21 * link register "lr". 22 * Function signature : void omap_smc1(u32 fn, u32 arg) 23 */ 24 25ENTRY(omap_smc1) 26 stmfd sp!, {r2-r12, lr} 27 mov r12, r0 28 mov r0, r1 29 dsb 30 smc #0 31 ldmfd sp!, {r2-r12, pc} 32END(omap_smc1) 33 34ENTRY(omap_modify_auxcoreboot0) 35 stmfd sp!, {r1-r12, lr} 36 ldr r12, =0x104 37 dsb 38 smc #0 39 ldmfd sp!, {r1-r12, pc} 40END(omap_modify_auxcoreboot0) 41 42ENTRY(omap_auxcoreboot_addr) 43 stmfd sp!, {r2-r12, lr} 44 ldr r12, =0x105 45 dsb 46 smc #0 47 ldmfd sp!, {r2-r12, pc} 48END(omap_auxcoreboot_addr) 49 50ENTRY(omap_read_auxcoreboot0) 51 stmfd sp!, {r2-r12, lr} 52 ldr r12, =0x103 53 dsb 54 smc #0 55 mov r0, r0, lsr #9 56 ldmfd sp!, {r2-r12, pc} 57END(omap_read_auxcoreboot0) 58