diff options
Diffstat (limited to 'include/drivers/arm/tzc400.h')
| -rw-r--r-- | include/drivers/arm/tzc400.h | 285 |
1 files changed, 143 insertions, 142 deletions
diff --git a/include/drivers/arm/tzc400.h b/include/drivers/arm/tzc400.h index f8e1664e..30856889 100644 --- a/include/drivers/arm/tzc400.h +++ b/include/drivers/arm/tzc400.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2014-2015, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -31,178 +31,179 @@ #ifndef __TZC400_H__ #define __TZC400_H__ +#include <tzc_common.h> -#define BUILD_CONFIG_OFF 0x000 -#define ACTION_OFF 0x004 -#define GATE_KEEPER_OFF 0x008 -#define SPECULATION_CTRL_OFF 0x00c -#define INT_STATUS 0x010 -#define INT_CLEAR 0x014 - -#define FAIL_ADDRESS_LOW_OFF 0x020 -#define FAIL_ADDRESS_HIGH_OFF 0x024 -#define FAIL_CONTROL_OFF 0x028 -#define FAIL_ID 0x02c - -#define REGION_BASE_LOW_OFF 0x100 -#define REGION_BASE_HIGH_OFF 0x104 -#define REGION_TOP_LOW_OFF 0x108 -#define REGION_TOP_HIGH_OFF 0x10c -#define REGION_ATTRIBUTES_OFF 0x110 -#define REGION_ID_ACCESS_OFF 0x114 -#define REGION_NUM_OFF(region) (0x20 * region) - -/* ID Registers */ -#define PID0_OFF 0xfe0 -#define PID1_OFF 0xfe4 -#define PID2_OFF 0xfe8 -#define PID3_OFF 0xfec -#define PID4_OFF 0xfd0 -#define PID5_OFF 0xfd4 -#define PID6_OFF 0xfd8 -#define PID7_OFF 0xfdc -#define CID0_OFF 0xff0 -#define CID1_OFF 0xff4 -#define CID2_OFF 0xff8 -#define CID3_OFF 0xffc - -#define BUILD_CONFIG_NF_SHIFT 24 -#define BUILD_CONFIG_NF_MASK 0x3 -#define BUILD_CONFIG_AW_SHIFT 8 -#define BUILD_CONFIG_AW_MASK 0x3f -#define BUILD_CONFIG_NR_SHIFT 0 -#define BUILD_CONFIG_NR_MASK 0x1f - -/* Not describing the case where regions 1 to 8 overlap */ -#define ACTION_RV_SHIFT 0 -#define ACTION_RV_MASK 0x3 -#define ACTION_RV_LOWOK 0x0 -#define ACTION_RV_LOWERR 0x1 -#define ACTION_RV_HIGHOK 0x2 -#define ACTION_RV_HIGHERR 0x3 +#define BUILD_CONFIG_OFF 0x000 +#define GATE_KEEPER_OFF 0x008 +#define SPECULATION_CTRL_OFF 0x00c +#define INT_STATUS 0x010 +#define INT_CLEAR 0x014 + +#define FAIL_ADDRESS_LOW_OFF 0x020 +#define FAIL_ADDRESS_HIGH_OFF 0x024 +#define FAIL_CONTROL_OFF 0x028 +#define FAIL_ID 0x02c + +/* ID registers not common across different varieties of TZC */ +#define PID5 0xFD4 +#define PID6 0xFD8 +#define PID7 0xFDC + +#define BUILD_CONFIG_NF_SHIFT 24 +#define BUILD_CONFIG_NF_MASK 0x3 +#define BUILD_CONFIG_AW_SHIFT 8 +#define BUILD_CONFIG_AW_MASK 0x3f +#define BUILD_CONFIG_NR_SHIFT 0 +#define BUILD_CONFIG_NR_MASK 0x1f /* * Number of gate keepers is implementation defined. But we know the max for * this device is 4. Get implementation details from BUILD_CONFIG. */ -#define GATE_KEEPER_OS_SHIFT 16 -#define GATE_KEEPER_OS_MASK 0xf -#define GATE_KEEPER_OR_SHIFT 0 -#define GATE_KEEPER_OR_MASK 0xf -#define GATE_KEEPER_FILTER_MASK 0x1 +#define GATE_KEEPER_OS_SHIFT 16 +#define GATE_KEEPER_OS_MASK 0xf +#define GATE_KEEPER_OR_SHIFT 0 +#define GATE_KEEPER_OR_MASK 0xf +#define GATE_KEEPER_FILTER_MASK 0x1 /* Speculation is enabled by default. */ -#define SPECULATION_CTRL_WRITE_DISABLE (1 << 1) -#define SPECULATION_CTRL_READ_DISABLE (1 << 0) +#define SPECULATION_CTRL_WRITE_DISABLE (1 << 1) +#define SPECULATION_CTRL_READ_DISABLE (1 << 0) /* Max number of filters allowed is 4. */ -#define INT_STATUS_OVERLAP_SHIFT 16 -#define INT_STATUS_OVERLAP_MASK 0xf -#define INT_STATUS_OVERRUN_SHIFT 8 -#define INT_STATUS_OVERRUN_MASK 0xf -#define INT_STATUS_STATUS_SHIFT 0 -#define INT_STATUS_STATUS_MASK 0xf - -#define INT_CLEAR_CLEAR_SHIFT 0 -#define INT_CLEAR_CLEAR_MASK 0xf - -#define FAIL_CONTROL_DIR_SHIFT (1 << 24) -#define FAIL_CONTROL_DIR_READ 0x0 -#define FAIL_CONTROL_DIR_WRITE 0x1 -#define FAIL_CONTROL_NS_SHIFT (1 << 21) -#define FAIL_CONTROL_NS_SECURE 0x0 -#define FAIL_CONTROL_NS_NONSECURE 0x1 -#define FAIL_CONTROL_PRIV_SHIFT (1 << 20) -#define FAIL_CONTROL_PRIV_PRIV 0x0 -#define FAIL_CONTROL_PRIV_UNPRIV 0x1 +#define INT_STATUS_OVERLAP_SHIFT 16 +#define INT_STATUS_OVERLAP_MASK 0xf +#define INT_STATUS_OVERRUN_SHIFT 8 +#define INT_STATUS_OVERRUN_MASK 0xf +#define INT_STATUS_STATUS_SHIFT 0 +#define INT_STATUS_STATUS_MASK 0xf + +#define INT_CLEAR_CLEAR_SHIFT 0 +#define INT_CLEAR_CLEAR_MASK 0xf + +#define FAIL_CONTROL_DIR_SHIFT (1 << 24) +#define FAIL_CONTROL_DIR_READ 0x0 +#define FAIL_CONTROL_DIR_WRITE 0x1 +#define FAIL_CONTROL_NS_SHIFT (1 << 21) +#define FAIL_CONTROL_NS_SECURE 0x0 +#define FAIL_CONTROL_NS_NONSECURE 0x1 +#define FAIL_CONTROL_PRIV_SHIFT (1 << 20) +#define FAIL_CONTROL_PRIV_PRIV 0x0 +#define FAIL_CONTROL_PRIV_UNPRIV 0x1 /* * FAIL_ID_ID_MASK depends on AID_WIDTH which is platform specific. * Platform should provide the value on initialisation. */ -#define FAIL_ID_VNET_SHIFT 24 -#define FAIL_ID_VNET_MASK 0xf -#define FAIL_ID_ID_SHIFT 0 - -/* Used along with 'tzc_region_attributes_t' below */ -#define REG_ATTR_SEC_SHIFT 30 -#define REG_ATTR_F_EN_SHIFT 0 -#define REG_ATTR_F_EN_MASK 0xf -#define REG_ATTR_FILTER_BIT(x) ((1 << x) << REG_ATTR_F_EN_SHIFT) -#define REG_ATTR_FILTER_BIT_ALL (REG_ATTR_F_EN_MASK << \ - REG_ATTR_F_EN_SHIFT) +#define FAIL_ID_VNET_SHIFT 24 +#define FAIL_ID_VNET_MASK 0xf +#define FAIL_ID_ID_SHIFT 0 -#define REGION_ID_ACCESS_NSAID_WR_EN_SHIFT 16 -#define REGION_ID_ACCESS_NSAID_RD_EN_SHIFT 0 -#define REGION_ID_ACCESS_NSAID_ID_MASK 0xf +#define TZC_400_PERIPHERAL_ID 0x460 +/* Filter enable bits in a TZC */ +#define TZC_400_REGION_ATTR_F_EN_MASK 0xf +#define TZC_400_REGION_ATTR_FILTER_BIT(x) ((1 << x) \ + << TZC_REGION_ATTR_F_EN_SHIFT) +#define TZC_400_REGION_ATTR_FILTER_BIT_ALL \ + (TZC_400_REGION_ATTR_F_EN_MASK << \ + TZC_REGION_ATTR_F_EN_SHIFT) -/* Macros for setting Region ID access permissions based on NSAID */ -#define TZC_REGION_ACCESS_RD(id) \ - ((1 << (id & REGION_ID_ACCESS_NSAID_ID_MASK)) << \ - REGION_ID_ACCESS_NSAID_RD_EN_SHIFT) -#define TZC_REGION_ACCESS_WR(id) \ - ((1 << (id & REGION_ID_ACCESS_NSAID_ID_MASK)) << \ - REGION_ID_ACCESS_NSAID_WR_EN_SHIFT) -#define TZC_REGION_ACCESS_RDWR(id) \ - (TZC_REGION_ACCESS_RD(id) | TZC_REGION_ACCESS_WR(id)) - -/* Consist of part_number_1 and part_number_0 */ -#define TZC400_PERIPHERAL_ID 0x0460 - +/* + * Define some macros for backward compatibility with existing tzc400 clients. + */ +#if !ERROR_DEPRECATED +#define REG_ATTR_FILTER_BIT(x) ((1 << x) \ + << TZC_REGION_ATTR_F_EN_SHIFT) +#define REG_ATTR_FILTER_BIT_ALL (TZC_400_REGION_ATTR_F_EN_MASK << \ + TZC_REGION_ATTR_F_EN_SHIFT) +#endif /* __ERROR_DEPRECATED__ */ +/* + * All TZC region configuration registers are placed one after another. It + * depicts size of block of registers for programming each region. + */ +#define TZC_400_REGION_SIZE 0x20 +#define TZC_400_ACTION_OFF 0x4 #ifndef __ASSEMBLY__ +#include <cdefs.h> #include <stdint.h> /******************************************************************************* * Function & variable prototypes ******************************************************************************/ +void tzc400_init(uintptr_t base); +void tzc400_configure_region0(tzc_region_attributes_t sec_attr, + unsigned int ns_device_access); +void tzc400_configure_region(unsigned int filters, + int region, + uintptr_t region_base, + uintptr_t region_top, + tzc_region_attributes_t sec_attr, + unsigned int ns_device_access); +void tzc400_set_action(tzc_action_t action); +void tzc400_enable_filters(void); +void tzc400_disable_filters(void); /* - * What type of action is expected when an access violation occurs. - * The memory requested is zeroed. But we can also raise and event to - * let the system know it happened. - * We can raise an interrupt(INT) and/or cause an exception(ERR). - * TZC_ACTION_NONE - No interrupt, no Exception - * TZC_ACTION_ERR - No interrupt, raise exception -> sync external - * data abort - * TZC_ACTION_INT - Raise interrupt, no exception - * TZC_ACTION_ERR_INT - Raise interrupt, raise exception -> sync - * external data abort + * Deprecated APIs */ -typedef enum { - TZC_ACTION_NONE = 0, - TZC_ACTION_ERR = 1, - TZC_ACTION_INT = 2, - TZC_ACTION_ERR_INT = (TZC_ACTION_ERR | TZC_ACTION_INT) -} tzc_action_t; - -/* - * Controls secure access to a region. If not enabled secure access is not - * allowed to region. - */ -typedef enum { - TZC_REGION_S_NONE = 0, - TZC_REGION_S_RD = 1, - TZC_REGION_S_WR = 2, - TZC_REGION_S_RDWR = (TZC_REGION_S_RD | TZC_REGION_S_WR) -} tzc_region_attributes_t; - - -void tzc_init(uintptr_t base); -void tzc_configure_region0(tzc_region_attributes_t sec_attr, - uint32_t ns_device_access); -void tzc_configure_region(uint32_t filters, - uint8_t region, - uint64_t region_base, - uint64_t region_top, +static inline void tzc_init(uintptr_t base) __deprecated; +static inline void tzc_configure_region0( + tzc_region_attributes_t sec_attr, + unsigned int ns_device_access) __deprecated; +static inline void tzc_configure_region( + unsigned int filters, + int region, + uintptr_t region_base, + uintptr_t region_top, + tzc_region_attributes_t sec_attr, + unsigned int ns_device_access) __deprecated; +static inline void tzc_set_action(tzc_action_t action) __deprecated; +static inline void tzc_enable_filters(void) __deprecated; +static inline void tzc_disable_filters(void) __deprecated; + +static inline void tzc_init(uintptr_t base) +{ + tzc400_init(base); +} + +static inline void tzc_configure_region0( tzc_region_attributes_t sec_attr, - uint32_t ns_device_access); -void tzc_enable_filters(void); -void tzc_disable_filters(void); -void tzc_set_action(tzc_action_t action); + unsigned int ns_device_access) +{ + tzc400_configure_region0(sec_attr, ns_device_access); +} + +static inline void tzc_configure_region( + unsigned int filters, + int region, + uintptr_t region_base, + uintptr_t region_top, + tzc_region_attributes_t sec_attr, + unsigned int ns_device_access) +{ + tzc400_configure_region(filters, region, region_base, + region_top, sec_attr, ns_device_access); +} + +static inline void tzc_set_action(tzc_action_t action) +{ + tzc400_set_action(action); +} + + +static inline void tzc_enable_filters(void) +{ + tzc400_enable_filters(); +} + +static inline void tzc_disable_filters(void) +{ + tzc400_disable_filters(); +} #endif /* __ASSEMBLY__ */ |