summaryrefslogtreecommitdiff
path: root/bsp/env/freedom-e300-hifive1/platform.h
blob: 806fcfcabe13ca46a3646252427da918ce37180e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
// See LICENSE for license details.

#ifndef _SIFIVE_PLATFORM_H
#define _SIFIVE_PLATFORM_H

// Some things missing from the official encoding.h
#define MCAUSE_INT         0x80000000
#define MCAUSE_CAUSE       0x7FFFFFFF

#include "sifive/const.h"
#include "sifive/devices/aon.h"
#include "sifive/devices/clint.h"
#include "sifive/devices/gpio.h"
#include "sifive/devices/otp.h"
#include "sifive/devices/plic.h"
#include "sifive/devices/prci.h"
#include "sifive/devices/pwm.h"
#include "sifive/devices/spi.h"
#include "sifive/devices/uart.h"

/****************************************************************************
 * Platform definitions
 *****************************************************************************/

// Memory map
#define MASKROM_MEM_ADDR _AC(0x00001000,UL)
#define TRAPVEC_TABLE_CTRL_ADDR _AC(0x00001010,UL)
#define OTP_MEM_ADDR _AC(0x00020000,UL)
#define CLINT_CTRL_ADDR _AC(0x02000000,UL)
#define PLIC_CTRL_ADDR _AC(0x0C000000,UL)
#define AON_CTRL_ADDR _AC(0x10000000,UL)
#define PRCI_CTRL_ADDR _AC(0x10008000,UL)
#define OTP_CTRL_ADDR _AC(0x10010000,UL)
#define GPIO_CTRL_ADDR _AC(0x10012000,UL)
#define UART0_CTRL_ADDR _AC(0x10013000,UL)
#define SPI0_CTRL_ADDR _AC(0x10014000,UL)
#define PWM0_CTRL_ADDR _AC(0x10015000,UL)
#define UART1_CTRL_ADDR _AC(0x10023000,UL)
#define SPI1_CTRL_ADDR _AC(0x10024000,UL)
#define PWM1_CTRL_ADDR _AC(0x10025000,UL)
#define SPI2_CTRL_ADDR _AC(0x10034000,UL)
#define PWM2_CTRL_ADDR _AC(0x10035000,UL)
#define SPI0_MEM_ADDR _AC(0x20000000,UL)
#define MEM_CTRL_ADDR _AC(0x80000000,UL)

// IOF masks
#define IOF0_SPI1_MASK          _AC(0x000007FC,UL)
#define SPI11_NUM_SS     (4)
#define IOF_SPI1_SS0          (2u)
#define IOF_SPI1_SS1          (8u)
#define IOF_SPI1_SS2          (9u)
#define IOF_SPI1_SS3          (10u)
#define IOF_SPI1_MOSI         (3u)
#define IOF_SPI1_MISO         (4u)
#define IOF_SPI1_SCK          (5u)
#define IOF_SPI1_DQ0          (3u)
#define IOF_SPI1_DQ1          (4u)
#define IOF_SPI1_DQ2          (6u)
#define IOF_SPI1_DQ3          (7u)

#define IOF0_SPI2_MASK          _AC(0xFC000000,UL)
#define SPI2_NUM_SS       (1)
#define IOF_SPI2_SS0          (26u)
#define IOF_SPI2_MOSI         (27u)
#define IOF_SPI2_MISO         (28u)
#define IOF_SPI2_SCK          (29u)
#define IOF_SPI2_DQ0          (27u)
#define IOF_SPI2_DQ1          (28u)
#define IOF_SPI2_DQ2          (30u)
#define IOF_SPI2_DQ3          (31u)

//#define IOF0_I2C_MASK          _AC(0x00003000,UL)

#define IOF0_UART0_MASK         _AC(0x00030000, UL)
#define IOF_UART0_RX   (16u)
#define IOF_UART0_TX   (17u)

#define IOF0_UART1_MASK         _AC(0x03000000, UL)
#define IOF_UART1_RX (24u)
#define IOF_UART1_TX (25u)

#define IOF1_PWM0_MASK          _AC(0x0000000F, UL)
#define IOF1_PWM1_MASK          _AC(0x00780000, UL)
#define IOF1_PWM2_MASK          _AC(0x00003C00, UL)

// Interrupt numbers
#define INT_RESERVED 0
#define INT_WDOGCMP 1
#define INT_RTCCMP 2
#define INT_UART0_BASE 3
#define INT_UART1_BASE 4
#define INT_SPI0_BASE 5
#define INT_SPI1_BASE 6
#define INT_SPI2_BASE 7
#define INT_GPIO_BASE 8
#define INT_PWM0_BASE 40
#define INT_PWM1_BASE 44
#define INT_PWM2_BASE 48

// Helper functions
#define _REG32(p, i) (*(volatile uint32_t *) ((p) + (i)))
#define _REG32P(p, i) ((volatile uint32_t *) ((p) + (i)))
#define AON_REG(offset) _REG32(AON_CTRL_ADDR, offset)
#define CLINT_REG(offset) _REG32(CLINT_CTRL_ADDR, offset)
#define GPIO_REG(offset) _REG32(GPIO_CTRL_ADDR, offset)
#define OTP_REG(offset)  _REG32(OTP_CTRL_ADDR, offset)
#define PLIC_REG(offset) _REG32(PLIC_CTRL_ADDR, offset)
#define PRCI_REG(offset) _REG32(PRCI_CTRL_ADDR, offset)
#define PWM0_REG(offset) _REG32(PWM0_CTRL_ADDR, offset)
#define PWM1_REG(offset) _REG32(PWM1_CTRL_ADDR, offset)
#define PWM2_REG(offset) _REG32(PWM2_CTRL_ADDR, offset)
#define SPI0_REG(offset) _REG32(SPI0_CTRL_ADDR, offset)
#define SPI1_REG(offset) _REG32(SPI1_CTRL_ADDR, offset)
#define SPI2_REG(offset) _REG32(SPI2_CTRL_ADDR, offset)
#define UART0_REG(offset) _REG32(UART0_CTRL_ADDR, offset)
#define UART1_REG(offset) _REG32(UART1_CTRL_ADDR, offset)

// Misc

#include <stdint.h>

#define NUM_GPIO 32

#define PLIC_NUM_INTERRUPTS 52
#define PLIC_NUM_PRIORITIES 7

#include "hifive1.h"

unsigned long get_cpu_freq(void);
unsigned long get_timer_freq(void);
uint64_t get_timer_value(void);

#endif /* _SIFIVE_PLATFORM_H */