--- /dev/null
+/*****************************************************************************
+* 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 */
--- /dev/null
+/*****************************************************************************
+* 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 */
--- /dev/null
+/*****************************************************************************
+* 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 */
projects / deliverable / linux.git / commitdiff
