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体验新版 GitCode,发现更多精彩内容 >>
提交
b31fe0a5
编写于
9月 11, 2020
作者:
B
bigamgic
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
add raspi4 mbox driver
上级
de0bb6f9
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
579 addition
and
0 deletion
+579
-0
bsp/raspberry-pi/raspi4-32/README.md
bsp/raspberry-pi/raspi4-32/README.md
+3
-0
bsp/raspberry-pi/raspi4-32/driver/mbox.c
bsp/raspberry-pi/raspi4-32/driver/mbox.c
+453
-0
bsp/raspberry-pi/raspi4-32/driver/mbox.h
bsp/raspberry-pi/raspi4-32/driver/mbox.h
+123
-0
未找到文件。
bsp/raspberry-pi/raspi4-32/README.md
浏览文件 @
b31fe0a5
...
...
@@ -68,6 +68,9 @@ msh />
| 驱动 | 支持情况 | 备注 |
| ------ | ---- | :------: |
| UART | 支持 | UART0,UART2,UART3,UART4,UART5 |
| GPIO | 支持 | - |
| SPI | 支持 | SPI0 |
| MAILBOX | 支持 | - |
## 5. 联系人信息
...
...
bsp/raspberry-pi/raspi4-32/driver/mbox.c
0 → 100644
浏览文件 @
b31fe0a5
/*
* File : mbox.c
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-08-29 zdzn first version
* 2020-09-10 bigmagic add other mbox option
*/
/* mailbox message buffer */
#include "mbox.h"
#include "mmu.h"
//volatile unsigned int __attribute__((aligned(16))) mbox[36];
volatile
unsigned
int
*
mbox
=
(
volatile
unsigned
int
*
)
MBOX_ADDR
;
#define BUS_ADDRESS(phys) (((phys) & ~0xC0000000) | 0xC0000000)
/**
* Make a mailbox call. Returns 0 on failure, non-zero on success
*/
int
mbox_call
(
unsigned
char
ch
,
int
mmu_enable
)
{
unsigned
int
r
=
(((
MBOX_ADDR
)
&~
0xF
)
|
(
ch
&
0xF
));
if
(
mmu_enable
)
r
=
BUS_ADDRESS
(
r
);
/* wait until we can write to the mailbox */
do
{
asm
volatile
(
"nop"
);
}
while
(
*
MBOX_STATUS
&
MBOX_FULL
);
/* write the address of our message to the mailbox with channel identifier */
*
MBOX_WRITE
=
r
;
/* now wait for the response */
// rt_kprintf("mailbox request %x\n",r);
while
(
1
)
{
/* is there a response? */
do
{
asm
volatile
(
"nop"
);
}
while
(
*
MBOX_STATUS
&
MBOX_EMPTY
);
/* is it a response to our message? */
if
(
r
==
*
MBOX_READ
){
/* is it a valid successful response? */
//rt_kprintf("mbox: %x, %x, %x, %x, %x, %x, %x, %x\n", mbox[0], mbox[1], mbox[2], mbox[3], mbox[4], mbox[5], mbox[6], mbox[7]);
return
mbox
[
1
]
==
MBOX_RESPONSE
;
}
}
return
0
;
}
int
bcm283x_mbox_hardware_get_model
(
void
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_HARDWARE_GET_MODEL
;
mbox
[
3
]
=
4
;
// buffer size
mbox
[
4
]
=
0
;
// len
mbox
[
5
]
=
0
;
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
return
mbox
[
5
];
}
int
bcm283x_mbox_hardware_get_revison
(
void
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_HARDWARE_GET_REV
;
mbox
[
3
]
=
4
;
// buffer size
mbox
[
4
]
=
0
;
// len
mbox
[
5
]
=
0
;
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
return
mbox
[
5
];
}
int
bcm283x_mbox_hardware_get_mac_address
(
uint8_t
*
mac
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_HARDWARE_GET_MAC_ADDRESS
;
mbox
[
3
]
=
6
;
// buffer size
mbox
[
4
]
=
0
;
// len
mbox
[
5
]
=
0
;
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
char
*
mac_str
=
(
char
*
)
&
mbox
[
5
];
mac
[
0
]
=
mac_str
[
0
];
mac
[
1
]
=
mac_str
[
1
];
mac
[
2
]
=
mac_str
[
2
];
mac
[
3
]
=
mac_str
[
3
];
mac
[
4
]
=
mac_str
[
4
];
mac
[
5
]
=
mac_str
[
5
];
return
0
;
}
int
bcm283x_mbox_hardware_get_serial
(
rt_uint64_t
*
sn
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_HARDWARE_GET_SERIAL
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
0
;
// len
mbox
[
5
]
=
0
;
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
sn
=
(
rt_uint64_t
*
)
&
mbox
[
5
];
return
0
;
}
int
bcm283x_mbox_hardware_get_arm_memory
(
rt_uint32_t
*
base
,
rt_uint32_t
*
size
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_HARDWARE_GET_ARM_MEMORY
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
0
;
// len
mbox
[
5
]
=
0
;
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
*
base
=
mbox
[
5
];
*
size
=
mbox
[
6
];
return
0
;
}
int
bcm283x_mbox_hardware_get_vc_memory
(
rt_uint32_t
*
base
,
rt_uint32_t
*
size
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_HARDWARE_GET_VC_MEMORY
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
0
;
// len
mbox
[
5
]
=
0
;
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
*
base
=
mbox
[
5
];
*
size
=
mbox
[
6
];
return
0
;
}
int
bcm283x_mbox_clock_get_turbo
(
void
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_CLOCK_GET_TURBO
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
4
;
// len
mbox
[
5
]
=
0
;
// id
mbox
[
6
]
=
0
;
// val
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
if
(
mbox
[
5
]
!=
0
)
{
return
-
1
;
}
return
mbox
[
6
];
}
int
bcm283x_mbox_clock_set_turbo
(
int
level
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_CLOCK_SET_TURBO
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
8
;
// len
mbox
[
5
]
=
0
;
// id
mbox
[
6
]
=
level
?
1
:
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
if
(
mbox
[
5
]
!=
0
)
{
return
-
1
;
}
return
mbox
[
6
];
}
int
bcm283x_mbox_clock_get_state
(
int
id
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_CLOCK_GET_STATE
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
4
;
// len
mbox
[
5
]
=
id
;
// id
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
if
(
mbox
[
5
]
!=
id
)
{
return
-
1
;
}
return
(
mbox
[
6
]
&
0x3
);
}
int
bcm283x_mbox_clock_set_state
(
int
id
,
int
state
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_CLOCK_SET_STATE
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
8
;
// len
mbox
[
5
]
=
id
;
// id
mbox
[
6
]
=
state
&
0x3
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
if
(
mbox
[
5
]
!=
id
)
{
return
-
1
;
}
return
(
mbox
[
6
]
&
0x3
);
}
int
bcm283x_mbox_clock_get_rate
(
int
id
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_CLOCK_GET_RATE
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
4
;
// len
mbox
[
5
]
=
id
;
// id
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
if
(
mbox
[
5
]
!=
id
)
{
return
-
1
;
}
return
mbox
[
6
];
}
int
bcm283x_mbox_clock_set_rate
(
int
id
,
int
rate
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_CLOCK_SET_RATE
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
8
;
// len
mbox
[
5
]
=
id
;
// id
mbox
[
6
]
=
rate
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
if
(
mbox
[
5
]
!=
id
)
{
return
-
1
;
}
return
mbox
[
6
];
}
int
bcm283x_mbox_clock_get_max_rate
(
int
id
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_CLOCK_GET_MAX_RATE
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
4
;
// len
mbox
[
5
]
=
id
;
// id
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
if
(
mbox
[
5
]
!=
id
)
{
return
-
1
;
}
return
mbox
[
6
];
}
int
bcm283x_mbox_clock_get_min_rate
(
int
id
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_CLOCK_GET_MIN_RATE
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
4
;
// len
mbox
[
5
]
=
id
;
// id
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
if
(
mbox
[
5
]
!=
id
)
{
return
-
1
;
}
return
mbox
[
6
];
}
int
bcm283x_mbox_power_get_state
(
int
id
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_POWER_GET_STATE
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
4
;
// len
mbox
[
5
]
=
id
;
// id
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
if
(
mbox
[
5
]
!=
id
)
{
return
-
1
;
}
return
(
mbox
[
6
]
&
0x3
);
}
int
bcm283x_mbox_power_set_state
(
int
id
,
int
state
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_POWER_SET_STATE
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
8
;
// len
mbox
[
5
]
=
id
;
// id
mbox
[
6
]
=
state
&
0x3
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
if
(
mbox
[
5
]
!=
id
)
{
return
-
1
;
}
return
(
mbox
[
6
]
&
0x3
);
}
int
bcm283x_mbox_temp_get
(
void
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_TEMP_GET
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
4
;
// len
mbox
[
5
]
=
0
;
//id
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
if
(
mbox
[
5
]
!=
0
)
{
return
-
1
;
}
return
mbox
[
6
];
}
int
bcm283x_mbox_temp_get_max
(
void
)
{
mbox
[
0
]
=
8
*
4
;
// length of the message
mbox
[
1
]
=
MBOX_REQUEST
;
// this is a request message
mbox
[
2
]
=
MBOX_TAG_TEMP_GET_MAX
;
mbox
[
3
]
=
8
;
// buffer size
mbox
[
4
]
=
4
;
// len
mbox
[
5
]
=
0
;
// id
mbox
[
6
]
=
0
;
mbox
[
7
]
=
MBOX_TAG_LAST
;
mbox_call
(
8
,
MMU_DISABLE
);
if
(
mbox
[
5
]
!=
0
)
{
return
-
1
;
}
return
mbox
[
6
];
}
bsp/raspberry-pi/raspi4-32/driver/mbox.h
0 → 100644
浏览文件 @
b31fe0a5
/*
* Copyright (c) 2006-2020, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-09-10 bigmagic first version
*/
#ifndef __MBOX_H__
#define __MBOX_H__
#include <rtthread.h>
/* a properly aligned buffer */
extern
volatile
unsigned
int
*
mbox
;
#define MBOX_REQUEST 0
/* channels */
#define MBOX_CH_POWER 0
#define MBOX_CH_FB 1
#define MBOX_CH_VUART 2
#define MBOX_CH_VCHIQ 3
#define MBOX_CH_LEDS 4
#define MBOX_CH_BTNS 5
#define MBOX_CH_TOUCH 6
#define MBOX_CH_COUNT 7
#define MBOX_CH_PROP 8
/* tags */
#define MBOX_TAG_SETPOWER 0x28001
#define MBOX_TAG_SETCLKRATE 0x38002
#define MBOX_GET_MAC_ADDRESS 0x10003
#define MBOX_TAG_LAST 0
#define MMIO_BASE 0xFE000000
#define VIDEOCORE_MBOX (MMIO_BASE+0x0000B880)
#define MBOX_READ ((volatile unsigned int*)(VIDEOCORE_MBOX+0x0))
#define MBOX_POLL ((volatile unsigned int*)(VIDEOCORE_MBOX+0x10))
#define MBOX_SENDER ((volatile unsigned int*)(VIDEOCORE_MBOX+0x14))
#define MBOX_STATUS ((volatile unsigned int*)(VIDEOCORE_MBOX+0x18))
#define MBOX_CONFIG ((volatile unsigned int*)(VIDEOCORE_MBOX+0x1C))
#define MBOX_WRITE ((volatile unsigned int*)(VIDEOCORE_MBOX+0x20))
#define MBOX_RESPONSE 0x80000000
#define MBOX_FULL 0x80000000
#define MBOX_EMPTY 0x40000000
#define DEVICE_ID_SD_CARD 0
#define DEVICE_ID_USB_HCD 3
#define POWER_STATE_OFF (0 << 0)
#define POWER_STATE_ON (1 << 0)
#define POWER_STATE_WAIT (1 << 1)
#define POWER_STATE_NO_DEVICE (1 << 1) // in response
#define MMU_ENABLE 1
#define MMU_DISABLE 0
/*
* raspi hardware info
*/
enum
{
MBOX_TAG_HARDWARE_GET_MODEL
=
0x00010001
,
MBOX_TAG_HARDWARE_GET_REV
=
0x00010002
,
MBOX_TAG_HARDWARE_GET_MAC_ADDRESS
=
0x00010003
,
MBOX_TAG_HARDWARE_GET_SERIAL
=
0x00010004
,
MBOX_TAG_HARDWARE_GET_ARM_MEMORY
=
0x00010005
,
MBOX_TAG_HARDWARE_GET_VC_MEMORY
=
0x00010006
,
MBOX_TAG_HARDWARE_GET_CLOCKS
=
0x00010007
,
};
/*
* raspi clock
*/
enum
{
MBOX_TAG_CLOCK_GET_TURBO
=
0x00030009
,
MBOX_TAG_CLOCK_SET_TURBO
=
0x00038009
,
MBOX_TAG_CLOCK_GET_STATE
=
0x00030001
,
MBOX_TAG_CLOCK_SET_STATE
=
0x00038001
,
MBOX_TAG_CLOCK_GET_RATE
=
0x00030002
,
MBOX_TAG_CLOCK_SET_RATE
=
0x00038002
,
MBOX_TAG_CLOCK_GET_MAX_RATE
=
0x00030004
,
MBOX_TAG_CLOCK_GET_MIN_RATE
=
0x00030007
,
};
/*
* raspi power
*/
enum
{
MBOX_TAG_POWER_GET_STATE
=
0x00020001
,
MBOX_TAG_POWER_SET_STATE
=
0x00028001
,
};
/*
* raspi temperature
*/
enum
{
MBOX_TAG_TEMP_GET
=
0x00030006
,
MBOX_TAG_TEMP_GET_MAX
=
0x0003000A
,
};
#define MBOX_ADDR 0xc00000
int
mbox_call
(
unsigned
char
ch
,
int
mmu_enable
);
int
bcm283x_mbox_hardware_get_model
(
void
);
int
bcm283x_mbox_hardware_get_revison
(
void
);
int
bcm283x_mbox_hardware_get_mac_address
(
uint8_t
*
mac
);
int
bcm283x_mbox_hardware_get_serial
(
rt_uint64_t
*
sn
);
int
bcm283x_mbox_hardware_get_arm_memory
(
rt_uint32_t
*
base
,
rt_uint32_t
*
size
);
int
bcm283x_mbox_hardware_get_vc_memory
(
rt_uint32_t
*
base
,
rt_uint32_t
*
size
);
int
bcm283x_mbox_clock_get_turbo
(
void
);
int
bcm283x_mbox_clock_set_turbo
(
int
level
);
int
bcm283x_mbox_clock_get_state
(
int
id
);
int
bcm283x_mbox_clock_set_state
(
int
id
,
int
state
);
int
bcm283x_mbox_clock_get_rate
(
int
id
);
int
bcm283x_mbox_clock_set_rate
(
int
id
,
int
rate
);
int
bcm283x_mbox_clock_get_max_rate
(
int
id
);
int
bcm283x_mbox_clock_get_min_rate
(
int
id
);
int
bcm283x_mbox_power_get_state
(
int
id
);
int
bcm283x_mbox_power_set_state
(
int
id
,
int
state
);
int
bcm283x_mbox_temp_get
(
void
);
int
bcm283x_mbox_temp_get_max
(
void
);
#endif
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