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Commit a3641431 authored by Leo Chen's avatar Leo Chen Committed by Russell King
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ARM: 5661/1: bcmring: add csp security hardware headers 

add csp security hardware headers
Signed-off-by: default avatarLeo Chen <leochen@broadcom.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 7ba09020
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arch/arm/mach-bcmring/include/csp/secHw.h 0 → 100644
View file @ a3641431
/*****************************************************************************
* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved.
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2, available at
* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a
* license other than the GPL, without Broadcom's express prior written
* consent.
*****************************************************************************/
/****************************************************************************/
/**
* @file secHw.h
*
* @brief Definitions for accessing low level security features
*
*/
/****************************************************************************/
#ifndef SECHW_H
#define SECHW_H
typedef void (*secHw_FUNC_t) (void);
typedef enum {
secHw_MODE_SECURE = 0x0, /* Switches processor into secure mode */
secHw_MODE_NONSECURE = 0x1 /* Switches processor into non-secure mode */
} secHw_MODE;
/****************************************************************************/
/**
* @brief Requesting to execute the function in secure mode
*
* This function requests the given function to run in secure mode
*
*/
/****************************************************************************/
void secHw_RunSecure(secHw_FUNC_t /* Function to run in secure mode */
);
/****************************************************************************/
/**
* @brief Sets the mode
*
* his function sets the processor mode (secure/non-secure)
*
*/
/****************************************************************************/
void secHw_SetMode(secHw_MODE /* Processor mode */
);
/****************************************************************************/
/**
* @brief Get the current mode
*
* This function retieves the processor mode (secure/non-secure)
*
*/
/****************************************************************************/
void secHw_GetMode(secHw_MODE *);
#endif /* SECHW_H */
arch/arm/mach-bcmring/include/mach/csp/secHw_def.h 0 → 100644
View file @ a3641431
/*****************************************************************************
* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved.
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2, available at
* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a
* license other than the GPL, without Broadcom's express prior written
* consent.
*****************************************************************************/
/****************************************************************************/
/**
* @file secHw_def.h
*
* @brief Definitions for configuring/testing secure blocks
*
* @note
* None
*/
/****************************************************************************/
#ifndef SECHW_DEF_H
#define SECHW_DEF_H
#include <mach/csp/mm_io.h>
/* Bit mask for various secure device */
#define secHw_BLK_MASK_CHIP_CONTROL 0x00000001
#define secHw_BLK_MASK_KEY_SCAN 0x00000002
#define secHw_BLK_MASK_TOUCH_SCREEN 0x00000004
#define secHw_BLK_MASK_UART0 0x00000008
#define secHw_BLK_MASK_UART1 0x00000010
#define secHw_BLK_MASK_WATCHDOG 0x00000020
#define secHw_BLK_MASK_SPUM 0x00000040
#define secHw_BLK_MASK_DDR2 0x00000080
#define secHw_BLK_MASK_EXT_MEM 0x00000100
#define secHw_BLK_MASK_ESW 0x00000200
#define secHw_BLK_MASK_SPU 0x00010000
#define secHw_BLK_MASK_PKA 0x00020000
#define secHw_BLK_MASK_RNG 0x00040000
#define secHw_BLK_MASK_RTC 0x00080000
#define secHw_BLK_MASK_OTP 0x00100000
#define secHw_BLK_MASK_BOOT 0x00200000
#define secHw_BLK_MASK_MPU 0x00400000
#define secHw_BLK_MASK_TZCTRL 0x00800000
#define secHw_BLK_MASK_INTR 0x01000000
/* Trustzone register set */
typedef struct {
volatile uint32_t status; /* read only - reflects status of writes of 2 write registers */
volatile uint32_t setUnsecure; /* write only. reads back as 0 */
volatile uint32_t setSecure; /* write only. reads back as 0 */
} secHw_TZREG_t;
/* There are 2 register sets. The first is for the lower 16 bits, the 2nd */
/* is for the higher 16 bits. */
typedef enum {
secHw_IDX_LS = 0,
secHw_IDX_MS = 1,
secHw_IDX_NUM
} secHw_IDX_e;
typedef struct {
volatile secHw_TZREG_t reg[secHw_IDX_NUM];
} secHw_REGS_t;
/****************************************************************************/
/**
* @brief Configures a device as a secure device
*
*/
/****************************************************************************/
static inline void secHw_setSecure(uint32_t mask /* mask of type secHw_BLK_MASK_XXXXXX */
);
/****************************************************************************/
/**
* @brief Configures a device as a non-secure device
*
*/
/****************************************************************************/
static inline void secHw_setUnsecure(uint32_t mask /* mask of type secHw_BLK_MASK_XXXXXX */
);
/****************************************************************************/
/**
* @brief Get the trustzone status for all components. 1 = non-secure, 0 = secure
*
*/
/****************************************************************************/
static inline uint32_t secHw_getStatus(void);
#include <mach/csp/secHw_inline.h>
#endif /* SECHW_DEF_H */
arch/arm/mach-bcmring/include/mach/csp/secHw_inline.h 0 → 100644
View file @ a3641431
/*****************************************************************************
* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved.
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2, available at
* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a
* license other than the GPL, without Broadcom's express prior written
* consent.
*****************************************************************************/
/****************************************************************************/
/**
* @file secHw_inline.h
*
* @brief Definitions for configuring/testing secure blocks
*
* @note
* None
*/
/****************************************************************************/
#ifndef SECHW_INLINE_H
#define SECHW_INLINE_H
/****************************************************************************/
/**
* @brief Configures a device as a secure device
*
*/
/****************************************************************************/
static inline void secHw_setSecure(uint32_t mask /* mask of type secHw_BLK_MASK_XXXXXX */
) {
secHw_REGS_t *regp = (secHw_REGS_t *) MM_IO_BASE_TZPC;
if (mask & 0x0000FFFF) {
regp->reg[secHw_IDX_LS].setSecure = mask & 0x0000FFFF;
}
if (mask & 0xFFFF0000) {
regp->reg[secHw_IDX_MS].setSecure = mask >> 16;
}
}
/****************************************************************************/
/**
* @brief Configures a device as a non-secure device
*
*/
/****************************************************************************/
static inline void secHw_setUnsecure(uint32_t mask /* mask of type secHw_BLK_MASK_XXXXXX */
) {
secHw_REGS_t *regp = (secHw_REGS_t *) MM_IO_BASE_TZPC;
if (mask & 0x0000FFFF) {
regp->reg[secHw_IDX_LS].setUnsecure = mask & 0x0000FFFF;
}
if (mask & 0xFFFF0000) {
regp->reg[secHw_IDX_MS].setUnsecure = mask >> 16;
}
}
/****************************************************************************/
/**
* @brief Get the trustzone status for all components. 1 = non-secure, 0 = secure
*
*/
/****************************************************************************/
static inline uint32_t secHw_getStatus(void)
{
secHw_REGS_t *regp = (secHw_REGS_t *) MM_IO_BASE_TZPC;
return (regp->reg[1].status << 16) + regp->reg[0].status;
}
#endif /* SECHW_INLINE_H */
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