1 /*
2  * Copyright (c) 2018-2020 ARM Limited
3  * Copyright (c) 2019-2021, Cypress Semiconductor Corporation. All rights reserved.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #ifndef __TARGET_CFG_H__
19 #define __TARGET_CFG_H__
20 
21 #include "uart_stdout.h"
22 #include "tfm_peripherals_def.h"
23 
24 #define TFM_DRIVER_STDIO    Driver_USART5
25 #define NS_DRIVER_STDIO     Driver_USART5
26 
27 /* UART pins HSIOM routing */
28 #define ioss_0_port_5_pin_0_HSIOM P5_0_SCB5_UART_RX
29 #define ioss_0_port_5_pin_1_HSIOM P5_1_SCB5_UART_TX
30 
31 /* UART pins configuration */
32 #define CYBSP_UART_RX_ENABLED 1U
33 #define CYBSP_UART_RX_PORT GPIO_PRT5
34 #define CYBSP_UART_RX_PORT_NUM 5U
35 #define CYBSP_UART_RX_PIN 0U
36 #define CYBSP_UART_RX_NUM 0U
37 #define CYBSP_UART_RX_DRIVEMODE CY_GPIO_DM_HIGHZ
38 #define CYBSP_UART_RX_INIT_DRIVESTATE 1
39 #ifndef ioss_0_port_5_pin_0_HSIOM
40         #define ioss_0_port_5_pin_0_HSIOM HSIOM_SEL_GPIO
41 #endif
42 #define CYBSP_UART_RX_HSIOM ioss_0_port_5_pin_0_HSIOM
43 #define CYBSP_UART_RX_IRQ ioss_interrupts_gpio_5_IRQn
44 #define CYBSP_UART_TX_ENABLED 1U
45 #define CYBSP_UART_TX_PORT GPIO_PRT5
46 #define CYBSP_UART_TX_PORT_NUM 5U
47 #define CYBSP_UART_TX_PIN 1U
48 #define CYBSP_UART_TX_NUM 1U
49 #define CYBSP_UART_TX_DRIVEMODE CY_GPIO_DM_STRONG_IN_OFF
50 #define CYBSP_UART_TX_INIT_DRIVESTATE 1
51 #ifndef ioss_0_port_5_pin_1_HSIOM
52         #define ioss_0_port_5_pin_1_HSIOM HSIOM_SEL_GPIO
53 #endif
54 #define CYBSP_UART_TX_HSIOM ioss_0_port_5_pin_1_HSIOM
55 #define CYBSP_UART_TX_IRQ ioss_interrupts_gpio_5_IRQn
56 
57 /**
58  * \brief Store the addresses of memory regions
59  */
60 struct memory_region_limits {
61     uint32_t non_secure_code_start;
62     uint32_t non_secure_partition_base;
63     uint32_t non_secure_partition_limit;
64 };
65 
66 /**
67  * \brief Holds the data necessary to do isolation for a specific peripheral.
68  */
69 struct platform_data_t
70 {
71     uint32_t periph_start;
72     uint32_t periph_limit;
73     int16_t periph_ppc_bank;
74     int16_t periph_ppc_loc;
75 };
76 
77 /**
78  * \brief Configures the Shared Memory Protection Units.
79  *
80  * \return Returns values as specified by the \ref enum tfm_plat_err_t
81  */
82 enum tfm_plat_err_t smpu_init_cfg(void);
83 
84 /**
85  * \brief Prints out the Shared Memory Protection Units config.
86  */
87 void smpu_print_config(void);
88 
89 /**
90  * \brief Configures the Peripheral Protection Units.
91  *
92  * \return Returns values as specified by the \ref enum tfm_plat_err_t
93  */
94 enum tfm_plat_err_t ppu_init_cfg(void);
95 
96 /**
97  * \brief Configure bus masters/Protectoin Contexts.
98  *
99  * \return Returns values as specified by the \ref enum tfm_plat_err_t
100  */
101 enum tfm_plat_err_t bus_masters_cfg(void);
102 
103 /**
104  * \brief Performs platform specific hw initialization.
105  */
106 void platform_init(void);
107 
108 /**
109  * \brief Configures all external interrupts to target the
110  *        NS state, apart for the ones associated to secure
111  *        peripherals.
112  *
113  * \return Returns values as specified by the \ref tfm_plat_err_t
114  */
115 enum tfm_plat_err_t nvic_interrupt_target_state_cfg(void);
116 
117 /**
118  * \brief This function enable the interrupts associated
119  *        to the secure peripherals (plus the isolation boundary violation
120  *        interrupts)
121  *
122  * \return Returns values as specified by the \ref tfm_plat_err_t
123  */
124 enum tfm_plat_err_t nvic_interrupt_enable(void);
125 
126 #endif /* __TARGET_CFG_H__ */
127