omap_hwmod_common_data.o
clock-common = clock.o clock_common_data.o \
clkt_dpll.o clkt_clksel.o
+secure-common = omap-smc.o omap-secure.o
-obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(hwmod-common)
-obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(hwmod-common)
-obj-$(CONFIG_ARCH_OMAP4) += prm44xx.o $(hwmod-common)
+obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(hwmod-common) $(secure-common)
+obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(hwmod-common) $(secure-common)
+obj-$(CONFIG_ARCH_OMAP4) += prm44xx.o $(hwmod-common) $(secure-common)
obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
obj-$(CONFIG_SMP) += omap-smp.o omap-headsmp.o
obj-$(CONFIG_LOCAL_TIMERS) += timer-mpu.o
obj-$(CONFIG_HOTPLUG_CPU) += omap-hotplug.o
-obj-$(CONFIG_ARCH_OMAP4) += omap44xx-smc.o omap4-common.o
+obj-$(CONFIG_ARCH_OMAP4) += omap4-common.o
plus_sec := $(call as-instr,.arch_extension sec,+sec)
AFLAGS_omap-headsmp.o :=-Wa,-march=armv7-a$(plus_sec)
-AFLAGS_omap44xx-smc.o :=-Wa,-march=armv7-a$(plus_sec)
+AFLAGS_omap-smc.o :=-Wa,-march=armv7-a$(plus_sec)
# Functions loaded to SRAM
obj-$(CONFIG_SOC_OMAP2420) += sram242x.o
--- /dev/null
+/*
+ * omap-secure.h: OMAP Secure infrastructure header.
+ *
+ * Copyright (C) 2011 Texas Instruments, Inc.
+ * Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef OMAP_ARCH_OMAP_SECURE_H
+#define OMAP_ARCH_OMAP_SECURE_H
+
+/* Monitor error code */
+#define API_HAL_RET_VALUE_NS2S_CONVERSION_ERROR 0xFFFFFFFE
+#define API_HAL_RET_VALUE_SERVICE_UNKNWON 0xFFFFFFFF
+
+/* HAL API error codes */
+#define API_HAL_RET_VALUE_OK 0x00
+#define API_HAL_RET_VALUE_FAIL 0x01
+
+/* Secure HAL API flags */
+#define FLAG_START_CRITICAL 0x4
+#define FLAG_IRQFIQ_MASK 0x3
+#define FLAG_IRQ_ENABLE 0x2
+#define FLAG_FIQ_ENABLE 0x1
+#define NO_FLAG 0x0
+
+
+/* Secure low power HAL API index */
+#define OMAP4_HAL_SAVESECURERAM_INDEX 0x1a
+#define OMAP4_HAL_SAVEHW_INDEX 0x1b
+#define OMAP4_HAL_SAVEALL_INDEX 0x1c
+#define OMAP4_HAL_SAVEGIC_INDEX 0x1d
+
+extern u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs,
+ u32 arg1, u32 arg2, u32 arg3, u32 arg4);
+extern u32 omap_smc2(u32 id, u32 falg, u32 pargs);
+
+#endif /* OMAP_ARCH_OMAP_SECURE_H */
--- /dev/null
+/*
+ * OMAP Secure API infrastructure.
+ *
+ * Copyright (C) 2011 Texas Instruments, Inc.
+ * Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ *
+ * This program is free software,you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <asm/cacheflush.h>
+
+#include <mach/omap-secure.h>
+
+/**
+ * omap_sec_dispatcher: Routine to dispatch low power secure
+ * service routines
+ * @idx: The HAL API index
+ * @flag: The flag indicating criticality of operation
+ * @nargs: Number of valid arguments out of four.
+ * @arg1, arg2, arg3 args4: Parameters passed to secure API
+ *
+ * Return the non-zero error value on failure.
+ */
+u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs, u32 arg1, u32 arg2,
+ u32 arg3, u32 arg4)
+{
+ u32 ret;
+ u32 param[5];
+
+ param[0] = nargs;
+ param[1] = arg1;
+ param[2] = arg2;
+ param[3] = arg3;
+ param[4] = arg4;
+
+ /*
+ * Secure API needs physical address
+ * pointer for the parameters
+ */
+ flush_cache_all();
+ outer_clean_range(__pa(param), __pa(param + 5));
+ ret = omap_smc2(idx, flag, __pa(param));
+
+ return ret;
+}
--- /dev/null
+/*
+ * OMAP44xx secure APIs file.
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ * Written by Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ *
+ * This program is free software,you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/linkage.h>
+
+/*
+ * This is common routine to manage secure monitor API
+ * used to modify the PL310 secure registers.
+ * 'r0' contains the value to be modified and 'r12' contains
+ * the monitor API number. It uses few CPU registers
+ * internally and hence they need be backed up including
+ * link register "lr".
+ * Function signature : void omap_smc1(u32 fn, u32 arg)
+ */
+
+ENTRY(omap_smc1)
+ stmfd sp!, {r2-r12, lr}
+ mov r12, r0
+ mov r0, r1
+ dsb
+ smc #0
+ ldmfd sp!, {r2-r12, pc}
+ENDPROC(omap_smc1)
+
+/**
+ * u32 omap_smc2(u32 id, u32 falg, u32 pargs)
+ * Low level common routine for secure HAL and PPA APIs.
+ * @id: Application ID of HAL APIs
+ * @flag: Flag to indicate the criticality of operation
+ * @pargs: Physical address of parameter list starting
+ * with number of parametrs
+ */
+ENTRY(omap_smc2)
+ stmfd sp!, {r4-r12, lr}
+ mov r3, r2
+ mov r2, r1
+ mov r1, #0x0 @ Process ID
+ mov r6, #0xff
+ mov r12, #0x00 @ Secure Service ID
+ mov r7, #0
+ mcr p15, 0, r7, c7, c5, 6
+ dsb
+ dmb
+ smc #0
+ ldmfd sp!, {r4-r12, pc}
+ENDPROC(omap_smc2)
+
+ENTRY(omap_modify_auxcoreboot0)
+ stmfd sp!, {r1-r12, lr}
+ ldr r12, =0x104
+ dsb
+ smc #0
+ ldmfd sp!, {r1-r12, pc}
+ENDPROC(omap_modify_auxcoreboot0)
+
+ENTRY(omap_auxcoreboot_addr)
+ stmfd sp!, {r2-r12, lr}
+ ldr r12, =0x105
+ dsb
+ smc #0
+ ldmfd sp!, {r2-r12, pc}
+ENDPROC(omap_auxcoreboot_addr)
+
+ENTRY(omap_read_auxcoreboot0)
+ stmfd sp!, {r2-r12, lr}
+ ldr r12, =0x103
+ dsb
+ smc #0
+ mov r0, r0, lsr #9
+ ldmfd sp!, {r2-r12, pc}
+ENDPROC(omap_read_auxcoreboot0)
+++ /dev/null
-/*
- * OMAP44xx secure APIs file.
- *
- * Copyright (C) 2010 Texas Instruments, Inc.
- * Written by Santosh Shilimkar <santosh.shilimkar@ti.com>
- *
- *
- * This program is free software,you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/linkage.h>
-
-/*
- * This is common routine to manage secure monitor API
- * used to modify the PL310 secure registers.
- * 'r0' contains the value to be modified and 'r12' contains
- * the monitor API number. It uses few CPU registers
- * internally and hence they need be backed up including
- * link register "lr".
- * Function signature : void omap_smc1(u32 fn, u32 arg)
- */
-
-ENTRY(omap_smc1)
- stmfd sp!, {r2-r12, lr}
- mov r12, r0
- mov r0, r1
- dsb
- smc #0
- ldmfd sp!, {r2-r12, pc}
-ENDPROC(omap_smc1)
-
-ENTRY(omap_modify_auxcoreboot0)
- stmfd sp!, {r1-r12, lr}
- ldr r12, =0x104
- dsb
- smc #0
- ldmfd sp!, {r1-r12, pc}
-ENDPROC(omap_modify_auxcoreboot0)
-
-ENTRY(omap_auxcoreboot_addr)
- stmfd sp!, {r2-r12, lr}
- ldr r12, =0x105
- dsb
- smc #0
- ldmfd sp!, {r2-r12, pc}
-ENDPROC(omap_auxcoreboot_addr)
-
-ENTRY(omap_read_auxcoreboot0)
- stmfd sp!, {r2-r12, lr}
- ldr r12, =0x103
- dsb
- smc #0
- mov r0, r0, lsr #9
- ldmfd sp!, {r2-r12, pc}
-ENDPROC(omap_read_auxcoreboot0)