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[bsp/raspi3-64]fix gpio drvier

This commit is contained in:
bigmagic 2020-02-28 17:49:50 +08:00
parent dc47abf44b
commit ff10eaed9c
15 changed files with 688 additions and 1680 deletions
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6
bsp/raspberry-pi/raspi3-64/.config
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@ -146,7 +146,7 @@ CONFIG_RT_USING_SERIAL=y
# CONFIG_RT_SERIAL_USING_DMA is not set
CONFIG_RT_SERIAL_RB_BUFSZ=64
# CONFIG_RT_USING_CAN is not set
# CONFIG_RT_USING_HWTIMER is not set
CONFIG_RT_USING_HWTIMER=y
# CONFIG_RT_USING_CPUTIME is not set
# CONFIG_RT_USING_I2C is not set
CONFIG_RT_USING_PIN=y
@ -465,7 +465,9 @@ CONFIG_BSP_USING_UART=y
CONFIG_RT_USING_UART1=y
CONFIG_BSP_USING_PIN=y
CONFIG_BSP_USING_CORETIMER=y
# CONFIG_BSP_USING_SYSTIMER is not set
CONFIG_BSP_USING_SYSTIMER=y
CONFIG_RT_USING_SYSTIMER1=y
# CONFIG_RT_USING_SYSTIMER3 is not set
# CONFIG_BSP_USING_I2C is not set
# CONFIG_BSP_USING_SPI is not set
# CONFIG_BSP_USING_WDT is not set

1
bsp/raspberry-pi/raspi3-64/driver/SConscript
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@ -5,7 +5,6 @@ from building import *
cwd = GetCurrentDir()
src = Split('''
board.c
bcm283x.c
drv_uart.c
''')
CPPPATH = [cwd]

575
bsp/raspberry-pi/raspi3-64/driver/bcm283x.c
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@ -1,575 +0,0 @@
/*
* Copyright (c) 2006-2019, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-07-29 zdzn first version
*/
#include "bcm283x.h"
rt_uint32_t bcm283x_peri_read(volatile rt_ubase_t addr)
{
rt_uint32_t ret;
__sync_synchronize();
ret = HWREG32(addr);
__sync_synchronize();
return ret;
}
rt_uint32_t bcm283x_peri_read_nb(volatile rt_ubase_t addr)
{
return HWREG32(addr);
}
void bcm283x_peri_write(volatile rt_ubase_t addr, rt_uint32_t value)
{
__sync_synchronize();
HWREG32(addr) = value;
__sync_synchronize();
}
void bcm283x_peri_write_nb(volatile rt_ubase_t addr, rt_uint32_t value)
{
HWREG32(addr) = value;
}
void bcm283x_peri_set_bits(volatile rt_ubase_t addr, rt_uint32_t value, rt_uint32_t mask)
{
rt_uint32_t v = bcm283x_peri_read(addr);
v = (v & ~mask) | (value & mask);
bcm283x_peri_write(addr, v);
}
void bcm283x_gpio_fsel(rt_uint8_t pin, rt_uint8_t mode)
{
volatile rt_ubase_t addr = (BCM283X_GPIO_BASE + BCM283X_GPIO_GPFSEL0 + (pin / 10) * 4);
rt_uint8_t shift = (pin % 10) * 3;
rt_uint32_t mask = BCM283X_GPIO_FSEL_MASK << shift;
rt_uint32_t value = mode << shift;
bcm283x_peri_set_bits(addr, value, mask);
}
void bcm283x_gpio_set(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPSET0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
bcm283x_peri_write(addr, 1 << shift);
}
void bcm283x_gpio_clr(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPCLR0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
bcm283x_peri_write(addr, 1 << shift);
}
rt_uint8_t bcm283x_gpio_lev(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM2835_GPIO_GPLEV0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = bcm283x_peri_read(addr);
return (value & (1 << shift)) ? HIGH : LOW;
}
rt_uint8_t bcm283x_gpio_eds(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPEDS0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = bcm283x_peri_read(addr);
return (value & (1 << shift)) ? HIGH : LOW;
}
/* Write a 1 to clear the bit in EDS */
void bcm283x_gpio_set_eds(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPEDS0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_write(addr, value);
}
/* Rising edge detect enable */
void bcm283x_gpio_ren(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPREN0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_set_bits(addr, value, value);
}
void bcm283x_gpio_clr_ren(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPREN0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_set_bits(addr, 0, value);
}
/* Falling edge detect enable */
void bcm283x_gpio_fen(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPFEN0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_set_bits(addr, value, value);
}
void bcm283x_gpio_clr_fen(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPFEN0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_set_bits(addr, 0, value);
}
/* High detect enable */
void bcm283x_gpio_hen(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPHEN0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_set_bits(addr, value, value);
}
void bcm283x_gpio_clr_hen(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPHEN0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_set_bits(addr, 0, value);
}
/* Low detect enable */
void bcm283x_gpio_len(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPLEN0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_set_bits(addr, value, value);
}
void bcm283x_gpio_clr_len(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPLEN0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_set_bits(addr, 0, value);
}
/* Async rising edge detect enable */
void bcm283x_gpio_aren(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPAREN0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_set_bits(addr, value, value);
}
void bcm283x_gpio_clr_aren(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPAREN0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_set_bits(addr, 0, value);
}
/* Async falling edge detect enable */
void bcm283x_gpio_afen(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPAFEN0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_set_bits(addr, value, value);
}
void bcm283x_gpio_clr_afen(rt_uint8_t pin)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPAFEN0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
rt_uint32_t value = 1 << shift;
bcm283x_peri_set_bits(addr, 0, value);
}
/* Set pullup/down */
void bcm283x_gpio_pud(rt_uint8_t pud)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPPUD;
bcm283x_peri_write(addr, pud);
}
/* Pullup/down clock
// Clocks the value of pud into the GPIO pin
*/
void bcm283x_gpio_pudclk(rt_uint8_t pin, rt_uint8_t on)
{
volatile rt_ubase_t addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPPUDCLK0 + (pin / 32) * 4;
rt_uint8_t shift = pin % 32;
bcm283x_peri_write(addr, (on? 1 : 0) << shift);
}
void bcm283x_gpio_set_pud(rt_uint8_t pin, rt_uint8_t pud)
{
bcm283x_gpio_pud(pud);
bcm283x_clo_delayMicros(10);
bcm283x_gpio_pudclk(pin, 1);
bcm283x_clo_delayMicros(10);
bcm283x_gpio_pud(BCM283X_GPIO_PUD_OFF);
bcm283x_gpio_pudclk(pin, 0);
}
void bcm283x_gpio_write(rt_uint8_t pin, rt_uint8_t val)
{
if (val)
bcm283x_gpio_set(pin);
else
bcm283x_gpio_clr(pin);
}
rt_uint64_t bcm283x_st_read(void)
{
volatile rt_ubase_t addr;
rt_uint32_t hi, lo;
rt_uint64_t st;
addr = BCM283X_ST_BASE + BCM283X_ST_CHI;
hi = bcm283x_peri_read(addr);
addr = BCM283X_ST_BASE + BCM283X_ST_CLO;
lo = bcm283x_peri_read(addr);
addr = BCM283X_ST_BASE + BCM283X_ST_CHI;
st = bcm283x_peri_read(addr);
/* Test for overflow */
if (st == hi)
{
rt_kprintf(">> 1crash???\n");
st <<= 32;
st += lo;
rt_kprintf(">> 2crash!!!\n");
}
else
{
st <<= 32;
addr = BCM283X_ST_BASE + BCM283X_ST_CLO;
st += bcm283x_peri_read(addr);
}
return st;
}
/* microseconds */
void bcm283x_delayMicroseconds(rt_uint64_t micros)
{
rt_uint64_t start;
start = bcm283x_st_read();
rt_kprintf("bcm283x_st_read result: %d\n", start);
/* Not allowed to access timer registers (result is not as precise)*/
if (start==0)
return;
bcm283x_st_delay(start, micros);
}
void bcm283x_clo_delayMicros(rt_uint32_t micros)
{
volatile rt_uint32_t addr;
rt_uint32_t compare;
addr = BCM283X_ST_BASE + BCM283X_ST_CLO;
compare = bcm283x_peri_read(addr) + micros;
while(bcm283x_peri_read(addr) < compare);
}
void bcm283x_st_delay(rt_uint64_t offset_micros, rt_uint64_t micros)
{
rt_uint64_t compare = offset_micros + micros;
while(bcm283x_st_read() < compare);
}
/* Read an number of bytes from I2C */
rt_uint8_t bcm283x_i2c_read(rt_uint32_t base, rt_uint8_t* buf, rt_uint32_t len)
{
volatile rt_uint32_t dlen = base + BCM283X_BSC_DLEN;
volatile rt_uint32_t fifo = base + BCM283X_BSC_FIFO;
volatile rt_uint32_t status = base + BCM283X_BSC_S;
volatile rt_uint32_t control = base + BCM283X_BSC_C;
rt_uint32_t remaining = len;
rt_uint32_t i = 0;
rt_uint8_t reason = BCM283X_I2C_REASON_OK;
/* Clear FIFO */
bcm283x_peri_set_bits(control, BCM283X_BSC_C_CLEAR_1, BCM283X_BSC_C_CLEAR_1);
/* Clear Status */
bcm283x_peri_write_nb(status, BCM283X_BSC_S_CLKT | BCM283X_BSC_S_ERR | BCM283X_BSC_S_DONE);
/* Set Data Length */
bcm283x_peri_write_nb(dlen, len);
/* Start read */
bcm283x_peri_write_nb(control, BCM283X_BSC_C_I2CEN | BCM283X_BSC_C_ST | BCM283X_BSC_C_READ);
/* wait for transfer to complete */
while (!(bcm283x_peri_read_nb(status) & BCM283X_BSC_S_DONE))
{
/* we must empty the FIFO as it is populated and not use any delay */
while (remaining && bcm283x_peri_read_nb(status) & BCM283X_BSC_S_RXD)
{
/* Read from FIFO, no barrier */
buf[i] = bcm283x_peri_read_nb(fifo);
i++;
remaining--;
}
}
/* transfer has finished - grab any remaining stuff in FIFO */
while (remaining && (bcm283x_peri_read_nb(status) & BCM283X_BSC_S_RXD))
{
/* Read from FIFO, no barrier */
buf[i] = bcm283x_peri_read_nb(fifo);
i++;
remaining--;
}
/* Received a NACK */
if (bcm283x_peri_read(status) & BCM283X_BSC_S_ERR)
{
reason = BCM283X_I2C_REASON_ERROR_NACK;
}
/* Received Clock Stretch Timeout */
else if (bcm283x_peri_read(status) & BCM283X_BSC_S_CLKT)
{
reason = BCM283X_I2C_REASON_ERROR_CLKT;
}
/* Not all data is received */
else if (remaining)
{
reason = BCM283X_I2C_REASON_ERROR_DATA;
}
bcm283x_peri_set_bits(control, BCM283X_BSC_S_DONE, BCM283X_BSC_S_DONE);
return reason;
}
int bcm283x_i2c_begin(int no)
{
if (0 == no)
{
bcm283x_gpio_fsel(BCM_GPIO_PIN_0, BCM283X_GPIO_FSEL_ALT0); /* SDA */
bcm283x_gpio_fsel(BCM_GPIO_PIN_1, BCM283X_GPIO_FSEL_ALT0); /* SCL */
}
else
{
bcm283x_gpio_fsel(BCM_GPIO_PIN_2, BCM283X_GPIO_FSEL_ALT0); /* SDA */
bcm283x_gpio_fsel(BCM_GPIO_PIN_3, BCM283X_GPIO_FSEL_ALT0); /* SCL */
}
return 0;
}
void bcm283x_i2c_end(int no)
{
if (0 == no)
{
bcm283x_gpio_fsel(BCM_GPIO_PIN_0, BCM283X_GPIO_FSEL_INPT); /* SDA */
bcm283x_gpio_fsel(BCM_GPIO_PIN_1, BCM283X_GPIO_FSEL_INPT); /* SCL */
}
else
{
bcm283x_gpio_fsel(BCM_GPIO_PIN_2, BCM283X_GPIO_FSEL_INPT); /* SDA */
bcm283x_gpio_fsel(BCM_GPIO_PIN_3, BCM283X_GPIO_FSEL_INPT); /* SCL */
}
}
void bcm283x_i2c_setSlaveAddress(int no, rt_uint8_t saddr)
{
volatile rt_uint32_t addr;
if (0 == no)
addr = PER_BASE + BCM283X_BSC0_BASE + BCM283X_BSC_A;
else
addr = PER_BASE + BCM283X_BSC1_BASE + BCM283X_BSC_A;
bcm283x_peri_write(addr, saddr);
}
void bcm283x_i2c_setClockDivider(int no, rt_uint16_t divider)
{
volatile rt_uint32_t addr;
if (0 == no)
addr = PER_BASE + BCM283X_BSC0_BASE + BCM283X_BSC_DIV;
else
addr = PER_BASE + BCM283X_BSC0_BASE + BCM283X_BSC_DIV;
bcm283x_peri_write(addr, divider);
}
void bcm283x_i2c_set_baudrate(int no, rt_uint32_t baudrate)
{
rt_uint32_t divider;
divider = (BCM283X_CORE_CLK_HZ / baudrate) & 0xFFFE;
bcm283x_i2c_setClockDivider(no, (rt_uint16_t)divider);
}
/* Writes an number of bytes to I2C */
rt_uint8_t bcm283x_i2c_write(rt_uint32_t base, const rt_uint8_t * buf, rt_uint32_t len)
{
volatile rt_uint32_t dlen = base + BCM283X_BSC_DLEN;
volatile rt_uint32_t fifo = base + BCM283X_BSC_FIFO;
volatile rt_uint32_t status = base + BCM283X_BSC_S;
volatile rt_uint32_t control = base + BCM283X_BSC_C;
rt_uint32_t remaining = len;
rt_uint32_t i = 0;
rt_uint8_t reason = BCM283X_I2C_REASON_OK;
/* Clear FIFO */
bcm283x_peri_set_bits(control, BCM283X_BSC_C_CLEAR_1, BCM283X_BSC_C_CLEAR_1);
/* Clear Status */
bcm283x_peri_write(status, BCM283X_BSC_S_CLKT | BCM283X_BSC_S_ERR | BCM283X_BSC_S_DONE);
/* Set Data Length */
bcm283x_peri_write(dlen, len);
/* pre populate FIFO with max buffer */
while(remaining && (i < BCM283X_BSC_FIFO_SIZE))
{
bcm283x_peri_write_nb(fifo, buf[i]);
i++;
remaining--;
}
/* Enable device and start transfer */
bcm283x_peri_write(control, BCM283X_BSC_C_I2CEN | BCM283X_BSC_C_ST);
/* Transfer is over when BCM2835_BSC_S_DONE */
while(!(bcm283x_peri_read(status) & BCM283X_BSC_S_DONE))
{
while (remaining && (bcm283x_peri_read(status) & BCM283X_BSC_S_TXD))
{
/* Write to FIFO */
bcm283x_peri_write(fifo, buf[i]);
i++;
remaining--;
}
}
/* Received a NACK */
if (bcm283x_peri_read(status) & BCM283X_BSC_S_ERR)
{
reason = BCM283X_I2C_REASON_ERROR_NACK;
}
/* Received Clock Stretch Timeout */
else if (bcm283x_peri_read(status) & BCM283X_BSC_S_CLKT)
{
reason = BCM283X_I2C_REASON_ERROR_CLKT;
}
/* Not all data is sent */
else if (remaining)
{
reason = BCM283X_I2C_REASON_ERROR_DATA;
}
bcm283x_peri_set_bits(control, BCM283X_BSC_S_DONE, BCM283X_BSC_S_DONE);
return reason;
}
rt_uint8_t bcm283x_i2c_write_read_rs(char* cmds, rt_uint32_t cmds_len, char* buf, rt_uint32_t buf_len)
{
volatile rt_uint32_t dlen = PER_BASE + BCM283X_BSC0_BASE + BCM283X_BSC_DLEN;
volatile rt_uint32_t fifo = PER_BASE + BCM283X_BSC0_BASE + BCM283X_BSC_FIFO;
volatile rt_uint32_t status = PER_BASE + BCM283X_BSC0_BASE + BCM283X_BSC_S;
volatile rt_uint32_t control = PER_BASE + BCM283X_BSC0_BASE + BCM283X_BSC_C;
rt_uint32_t remaining = cmds_len;
rt_uint32_t i = 0;
rt_uint8_t reason = BCM283X_I2C_REASON_OK;
/* Clear FIFO */
bcm283x_peri_set_bits(control, BCM283X_BSC_C_CLEAR_1, BCM283X_BSC_C_CLEAR_1);
/* Clear Status */
bcm283x_peri_write(status, BCM283X_BSC_S_CLKT | BCM283X_BSC_S_ERR | BCM283X_BSC_S_DONE);
/* Set Data Length */
bcm283x_peri_write(dlen, cmds_len);
/* pre populate FIFO with max buffer */
while(remaining && (i < BCM283X_BSC_FIFO_SIZE))
{
bcm283x_peri_write_nb(fifo, cmds[i]);
i++;
remaining--;
}
/* Enable device and start transfer */
bcm283x_peri_write(control, BCM283X_BSC_C_I2CEN | BCM283X_BSC_C_ST);
/* poll for transfer has started (way to do repeated start, from BCM2835 datasheet) */
while (!(bcm283x_peri_read(status) & BCM283X_BSC_S_TA))
{
/* Linux may cause us to miss entire transfer stage */
if (bcm283x_peri_read_nb(status) & BCM283X_BSC_S_DONE)
break;
}
remaining = buf_len;
i = 0;
/* Send a repeated start with read bit set in address */
bcm283x_peri_write(dlen, buf_len);
bcm283x_peri_write(control, BCM283X_BSC_C_I2CEN | BCM283X_BSC_C_ST | BCM283X_BSC_C_READ);
/* Wait for write to complete and first byte back. */
bcm283x_clo_delayMicros(100);
/* wait for transfer to complete */
while (!(bcm283x_peri_read_nb(status) & BCM283X_BSC_S_DONE))
{
/* we must empty the FIFO as it is populated and not use any delay */
while (remaining && bcm283x_peri_read(status) & BCM283X_BSC_S_RXD)
{
/* Read from FIFO, no barrier */
buf[i] = bcm283x_peri_read_nb(fifo);
i++;
remaining--;
}
}
/* transfer has finished - grab any remaining stuff in FIFO */
while (remaining && (bcm283x_peri_read(status) & BCM283X_BSC_S_RXD))
{
/* Read from FIFO */
buf[i] = bcm283x_peri_read(fifo);
i++;
remaining--;
}
/* Received a NACK */
if (bcm283x_peri_read(status) & BCM283X_BSC_S_ERR)
{
reason = BCM283X_I2C_REASON_ERROR_NACK;
}
/* Received Clock Stretch Timeout */
else if (bcm283x_peri_read(status) & BCM283X_BSC_S_CLKT)
{
reason = BCM283X_I2C_REASON_ERROR_CLKT;
}
/* Not all data is sent */
else if (remaining)
{
reason = BCM283X_I2C_REASON_ERROR_DATA;
}
bcm283x_peri_set_bits(control, BCM283X_BSC_S_DONE, BCM283X_BSC_S_DONE);
return reason;
}

651
bsp/raspberry-pi/raspi3-64/driver/bcm283x.h
View File

@ -1,651 +0,0 @@
/*
* Copyright (c) 2006-2019, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-07-15 RT-Thread the first version
* 2019-07-29 zdzn add macro definition
*/
#ifndef __BCM283X_H__
#define __BCM283X_H__
#include <rthw.h>
#include <rtthread.h>
#define PER_BASE (0x3F000000)
#define PER_BASE_40000000 (0x40000000)
#define HIGH 0x1
#define LOW 0x0
#define BCM283X_CORE_CLK_HZ 250000000 /* 50 MHz */
/*! Offsets for the bases of various peripherals within the peripherals block
* Base Address of the System Timer registers
*/
/*! Base Address of the Pads registers */
#define BCM283X_GPIO_PADS 0x100000
/*! Base Address of the Clock/timer registers */
#define BCM283X_CLOCK_BASE 0x101000
/*! Base Address of the GPIO registers */
//#define BCM283X_GPIO_BASE 0x200000
/*! Base Address of the SPI0 registers */
#define BCM283X_SPI0_BASE 0x204000
/*! Base Address of the PWM registers */
#define BCM283X_GPIO_PWM 0x20C000
/*! Base Address of the AUX registers */
#define BCM283X_AUX_BASE 0x215000
/*! Base Address of the AUX_SPI1 registers */
#define BCM283X_SPI1_BASE 0x215080
/*! Base Address of the AUX_SPI2 registers */
#define BCM283X_SPI2_BASE 0x2150C0
/*! Base Address of the BSC0 registers */
#define BCM283X_BSC0_BASE 0x205000 //for i2c0
/*! Base Address of the BSC1 registers */
#define BCM283X_BSC1_BASE 0x804000 //for i2c1
/*! Base Address of the BSC1 registers */
#define BCM283X_BSC2_BASE 0x805000 //for hdmi i2c not use
/*
* GPIO
*/
#define GPIO_BASE (PER_BASE + 0x200000)
#define GPIO_GPFSEL0 HWREG32(GPIO_BASE + 0x0000) /* GPIO Function Select 0 32bit R/W */
#define GPIO_GPFSEL1 HWREG32(GPIO_BASE + 0x0004) /* GPIO Function Select 1 32bit R/W */
#define GPIO_GPFSEL2 HWREG32(GPIO_BASE + 0x0008) /* GPIO Function Select 2 32bit R/W */
#define GPIO_GPFSEL4 HWREG32(GPIO_BASE + 0x0010) /* GPIO Function Select 4 32bit R/W */
#define GPIO_GPFSEL5 HWREG32(GPIO_BASE + 0x0014) /* GPIO Function Select 5 32bit R/W */
#define GPIO_GPSET0 HWREG32(GPIO_BASE + 0x001C)
#define GPIO_GPSET1 HWREG32(GPIO_BASE + 0x0020)
#define GPIO_GPCLR0 HWREG32(GPIO_BASE + 0x0028)
#define GPIO_GPCLR1 HWREG32(GPIO_BASE + 0x002C)
#define GPIO_GPEDS0 HWREG32(GPIO_BASE + 0x0040) /* GPIO Pin Event Detect Status */
#define GPIO_GPEDS1 HWREG32(GPIO_BASE + 0x0044)
#define GPIO_GPREN0 HWREG32(GPIO_BASE + 0x004c) /* GPIO Pin Rising Edge Detect Enable */
#define GPIO_GPREN1 HWREG32(GPIO_BASE + 0x0050)
#define GPIO_GPFEN0 HWREG32(GPIO_BASE + 0x0058) /* GPIO Pin Falling Edge Detect Enable */
#define GPIO_GPFEN1 HWREG32(GPIO_BASE + 0x005C)
#define GPIO_GPHEN0 HWREG32(GPIO_BASE + 0x0064) /* GPIO Pin High Detect Enable */
#define GPIO_GPHEN1 HWREG32(GPIO_BASE + 0x0068)
#define GPIO_GPLEN0 HWREG32(GPIO_BASE + 0x0070) /* GPIO Pin Low Detect Enable 0 */
#define GPIO_GPLEN1 HWREG32(GPIO_BASE + 0x0074)
#define GPIO_GPAREN0 HWREG32(GPIO_BASE + 0x007C) /* GPIO Pin Async. Rising Edge Detect */
#define GPIO_GPAREN1 HWREG32(GPIO_BASE + 0x0080)
#define GPIO_GPAFEN0 HWREG32(GPIO_BASE + 0x0088) /* GPIO Pin Async. Falling Edge Detect */
#define GPIO_GPAFEN1 HWREG32(GPIO_BASE + 0x008C)
#define GPIO_GPPUD HWREG32(GPIO_BASE + 0x0094) /* GPIO Pin Pull-up/down Enable */
#define GPIO_GPPUDCLK0 HWREG32(GPIO_BASE + 0x0098) /* GPIO Pin Pull-up/down Enable Clock 0 */
#define GPIO_GPPUDCLK1 HWREG32(GPIO_BASE + 0x009C) /* GPIO Pin Pull-up/down Enable Clock 1 */
#define BCM283X_GPIO_BASE (PER_BASE + 0x200000)
#define BCM283X_GPIO_GPFSEL0 (0x0000) /* GPIO Function Select 0 32bit R/W */
#define BCM283X_GPIO_GPFSEL1 (0x0004) /* GPIO Function Select 1 32bit R/W */
#define BCM283X_GPIO_GPFSEL2 (0x0008) /* GPIO Function Select 2 32bit R/W */
#define BCM283X_GPIO_GPFSEL4 (0x0010) /* GPIO Function Select 4 32bit R/W */
#define BCM283X_GPIO_GPFSEL5 (0x0014) /* GPIO Function Select 5 32bit R/W */
#define BCM283X_GPIO_GPSET0 (0x001C)
#define BCM283X_GPIO_GPSET1 (0x0020)
#define BCM283X_GPIO_GPCLR0 (0x0028)
#define BCM283X_GPIO_GPCLR1 (0x002C)
#define BCM2835_GPIO_GPLEV0 (0x0034) /*!< GPIO Pin Level 0 */
#define BCM2835_GPIO_GPLEV1 (0x0038) /*!< GPIO Pin Level 1 */
#define BCM283X_GPIO_GPEDS0 (0x0040) /* GPIO Pin Event Detect Status */
#define BCM283X_GPIO_GPEDS1 (0x0044)
#define BCM283X_GPIO_GPREN0 (0x004c) /* GPIO Pin Rising Edge Detect Enable */
#define BCM283X_GPIO_GPREN1 (0x0050)
#define BCM283X_GPIO_GPFEN0 (0x0058) /* GPIO Pin Falling Edge Detect Enable */
#define BCM283X_GPIO_GPFEN1 (0x005C)
#define BCM283X_GPIO_GPHEN0 (0x0064) /* GPIO Pin High Detect Enable */
#define BCM283X_GPIO_GPHEN1 (0x0068)
#define BCM283X_GPIO_GPLEN0 (0x0070) /* GPIO Pin Low Detect Enable 0 */
#define BCM283X_GPIO_GPLEN1 (0x0074)
#define BCM283X_GPIO_GPAREN0 (0x007C) /* GPIO Pin Async. Rising Edge Detect */
#define BCM283X_GPIO_GPAREN1 (0x0080)
#define BCM283X_GPIO_GPAFEN0 (0x0088) /* GPIO Pin Async. Falling Edge Detect */
#define BCM283X_GPIO_GPAFEN1 (0x008C)
#define BCM283X_GPIO_GPPUD (0x0094) /* GPIO Pin Pull-up/down Enable */
#define BCM283X_GPIO_GPPUDCLK0 (0x0098) /* GPIO Pin Pull-up/down Enable Clock 0 */
#define BCM283X_GPIO_GPPUDCLK1 (0x009C) /* GPIO Pin Pull-up/down Enable Clock 1 */
enum gpio_function_select
{
BCM283X_GPIO_FSEL_INPT = 0x00, /*!< Input 0b000 */
BCM283X_GPIO_FSEL_OUTP = 0x01, /*!< Output 0b001 */
BCM283X_GPIO_FSEL_ALT0 = 0x04, /*!< Alternate function 0 0b100 */
BCM283X_GPIO_FSEL_ALT1 = 0x05, /*!< Alternate function 1 0b101 */
BCM283X_GPIO_FSEL_ALT2 = 0x06, /*!< Alternate function 2 0b110, */
BCM283X_GPIO_FSEL_ALT3 = 0x07, /*!< Alternate function 3 0b111 */
BCM283X_GPIO_FSEL_ALT4 = 0x03, /*!< Alternate function 4 0b011 */
BCM283X_GPIO_FSEL_ALT5 = 0x02, /*!< Alternate function 5 0b010 */
BCM283X_GPIO_FSEL_MASK = 0x07 /*!< Function select bits mask 0b111 */
};
enum gpio_pud_mode
{
BCM283X_GPIO_PUD_OFF = 0x00, /*!< Off ? disable pull-up/down 0b00 */
BCM283X_GPIO_PUD_DOWN = 0x01, /*!< Enable Pull Down control 0b01 */
BCM283X_GPIO_PUD_UP = 0x02 /*!< Enable Pull Up control 0b10 */
};
/* Defines for BSC I2C
* GPIO register offsets from BCM283X_BSC*_BASE.
* Offsets into the BSC Peripheral block in bytes per 3.1 BSC Register Map
*/
/* I2C Address Map offset address */
#define BCM283X_BSC_C 0x0000 /*!< BSC Master Control */
#define BCM283X_BSC_S 0x0004 /*!< BSC Master Status */
#define BCM283X_BSC_DLEN 0x0008 /*!< BSC Master Data Length */
#define BCM283X_BSC_A 0x000c /*!< BSC Master Slave Address */
#define BCM283X_BSC_FIFO 0x0010 /*!< BSC Master Data FIFO */
#define BCM283X_BSC_DIV 0x0014 /*!< BSC Master Clock Divider */
#define BCM283X_BSC_DEL 0x0018 /*!< BSC Master Data Delay */
#define BCM283X_BSC_CLKT 0x001c /*!< BSC Master Clock Stretch Timeout */
/* Register masks for C Register */
#define BCM283X_BSC_C_I2CEN 0x00008000 /*!< I2C Enable, 0 = disabled, 1 = enabled */
#define BCM283X_BSC_C_INTR 0x00000400 /*!< Interrupt on RX */
#define BCM283X_BSC_C_INTT 0x00000200 /*!< Interrupt on TX */
#define BCM283X_BSC_C_INTD 0x00000100 /*!< Interrupt on DONE */
#define BCM283X_BSC_C_ST 0x00000080 /*!< Start transfer, 1 = Start a new transfer */
#define BCM283X_BSC_C_CLEAR_1 0x00000020 /*!< Clear FIFO Clear */
#define BCM283X_BSC_C_CLEAR_2 0x00000010 /*!< Clear FIFO Clear */
#define BCM283X_BSC_C_READ 0x00000001 /*!< Read transfer */
/* Register masks for S Register */
#define BCM283X_BSC_S_CLKT 0x00000200 /*!< Clock stretch timeout */
#define BCM283X_BSC_S_ERR 0x00000100 /*!< ACK error */
#define BCM283X_BSC_S_RXF 0x00000080 /*!< RXF FIFO full, 0 = FIFO is not full, 1 = FIFO is full */
#define BCM283X_BSC_S_TXE 0x00000040 /*!< TXE FIFO full, 0 = FIFO is not full, 1 = FIFO is full */
#define BCM283X_BSC_S_RXD 0x00000020 /*!< RXD FIFO contains data */
#define BCM283X_BSC_S_TXD 0x00000010 /*!< TXD FIFO can accept data */
#define BCM283X_BSC_S_RXR 0x00000008 /*!< RXR FIFO needs reading (full) */
#define BCM283X_BSC_S_TXW 0x00000004 /*!< TXW FIFO needs writing (full) */
#define BCM283X_BSC_S_DONE 0x00000002 /*!< Transfer DONE */
#define BCM283X_BSC_S_TA 0x00000001 /*!< Transfer Active */
#define BCM283X_BSC_FIFO_SIZE 16 /*!< BSC FIFO size */
enum i2c_clock_divider
{
BCM283X_I2C_CLOCK_DIVIDER_2500 = 2500, /*!< 2500 = 10us = 100 kHz */
BCM283X_I2C_CLOCK_DIVIDER_626 = 626, /*!< 622 = 2.504us = 399.3610 kHz */
BCM283X_I2C_CLOCK_DIVIDER_150 = 150, /*!< 150 = 60ns = 1.666 MHz (default at reset) */
BCM283X_I2C_CLOCK_DIVIDER_148 = 148 /*!< 148 = 59ns = 1.689 MHz */
};
enum i2c_reason_codes
{
BCM283X_I2C_REASON_OK = 0x00, /*!< Success */
BCM283X_I2C_REASON_ERROR_NACK = 0x01, /*!< Received a NACK */
BCM283X_I2C_REASON_ERROR_CLKT = 0x02, /*!< Received Clock Stretch Timeout */
BCM283X_I2C_REASON_ERROR_DATA = 0x04 /*!< Not all data is sent / received */
};
/*
* Interrupt Controler
*/
#define IRQ_BASE (PER_BASE + 0xB200)
#define IRQ_PEND_BASIC HWREG32(IRQ_BASE + 0x00)
#define IRQ_PEND1 HWREG32(IRQ_BASE + 0x04)
#define IRQ_PEND2 HWREG32(IRQ_BASE + 0x08)
#define IRQ_FIQ_CONTROL HWREG32(IRQ_BASE + 0x0C)
#define IRQ_ENABLE1 HWREG32(IRQ_BASE + 0x10)
#define IRQ_ENABLE2 HWREG32(IRQ_BASE + 0x14)
#define IRQ_ENABLE_BASIC HWREG32(IRQ_BASE + 0x18)
#define IRQ_DISABLE1 HWREG32(IRQ_BASE + 0x1C)
#define IRQ_DISABLE2 HWREG32(IRQ_BASE + 0x20)
#define IRQ_DISABLE_BASIC HWREG32(IRQ_BASE + 0x24)
/*
* Gtimer IRQ flag
*/
#define SYSTEM_TIMER_IRQ_0 (1 << 0)
#define SYSTEM_TIMER_IRQ_1 (1 << 1)
#define SYSTEM_TIMER_IRQ_2 (1 << 2)
#define SYSTEM_TIMER_IRQ_3 (1 << 3)
#define NON_SECURE_TIMER_IRQ (1 << 1)
/*
* System Timer
*/
#define STIMER_BASE (PER_BASE + 0x3000)
#define STIMER_CS HWREG32(STIMER_BASE + 0x00)
#define STIMER_CLO HWREG32(STIMER_BASE + 0x04)
#define STIMER_CHI HWREG32(STIMER_BASE + 0x08)
#define STIMER_C0 HWREG32(STIMER_BASE + 0x0C)
#define STIMER_C1 HWREG32(STIMER_BASE + 0x10)
#define STIMER_C2 HWREG32(STIMER_BASE + 0x14)
#define STIMER_C3 HWREG32(STIMER_BASE + 0x18)
/* Defines for ST */
#define BCM283X_ST_BASE (PER_BASE + 0x3000)
#define BCM283X_ST_CS 0x0000 /*!< System Timer Control/Status */
#define BCM283X_ST_CLO 0x0004 /*!< System Timer Counter Lower 32 bits */
#define BCM283X_ST_CHI 0x0008 /*!< System Timer Counter Upper 32 bits */
#define BCM283X_ST_C0 0x000C
#define BCM283X_ST_C1 0x0010
#define BCM283X_ST_C2 0x0014
#define BCM283X_ST_C3 0x0018
/*
* ARM Timer
*/
#define ARM_TIMER_BASE (PER_BASE + 0xB000)
#define ARM_TIMER_LOAD HWREG32(ARM_TIMER_BASE + 0x400)
#define ARM_TIMER_VALUE HWREG32(ARM_TIMER_BASE + 0x404)
#define ARM_TIMER_CTRL HWREG32(ARM_TIMER_BASE + 0x408)
#define ARM_TIMER_IRQCLR HWREG32(ARM_TIMER_BASE + 0x40C)
#define ARM_TIMER_RAWIRQ HWREG32(ARM_TIMER_BASE + 0x410)
#define ARM_TIMER_MASKIRQ HWREG32(ARM_TIMER_BASE + 0x414)
#define ARM_TIMER_RELOAD HWREG32(ARM_TIMER_BASE + 0x418)
#define ARM_TIMER_PREDIV HWREG32(ARM_TIMER_BASE + 0x41C)
#define ARM_TIMER_CNTR HWREG32(ARM_TIMER_BASE + 0x420)
/*
* Core Timer
*/
#define CTIMER_CTL HWREG32(PER_BASE_40000000 + 0x00) /* Control register */
#define CTIMER_PRE HWREG32(PER_BASE_40000000 + 0x08) /* Core timer prescaler */
#define CTIMER_LS32B HWREG32(PER_BASE_40000000 + 0x1C) /* Core timer access LS 32 bits */
#define CTIMER_MS32B HWREG32(PER_BASE_40000000 + 0x20) /* Core timer access MS 32 bits */
/*
* ARM Core Timer
*/
#define C0TIMER_INTCTL HWREG32(PER_BASE_40000000 + 0x40) /* Core0 timers Interrupt control */
#define C1TIMER_INTCTL HWREG32(PER_BASE_40000000 + 0x44) /* Core1 timers Interrupt control */
#define C2TIMER_INTCTL HWREG32(PER_BASE_40000000 + 0x48) /* Core2 timers Interrupt control */
#define C3TIMER_INTCTL HWREG32(PER_BASE_40000000 + 0x4C) /* Core3 timers Interrupt control */
#define CORETIMER_INTCTL(n) HWREG32(PER_BASE_40000000 + 0x40 + n*4) /* Core3 timers Interrupt control */
/*
* ARM Core Mailbox interrupt
*/
#define C0MB_INTCTL HWREG32(PER_BASE_40000000 + 0x50) /* Core0 Mailboxes Interrupt control */
#define C1MB_INTCTL HWREG32(PER_BASE_40000000 + 0x54) /* Core1 Mailboxes Interrupt control */
#define C2MB_INTCTL HWREG32(PER_BASE_40000000 + 0x58) /* Core2 Mailboxes Interrupt control */
#define C3MB_INTCTL HWREG32(PER_BASE_40000000 + 0x5C) /* Core3 Mailboxes Interrupt control */
#define COREMB_INTCTL(n) HWREG32(PER_BASE_40000000 + 0x50 + 4*n) /* Core3 Mailboxes Interrupt control */
/*
* ARM Core IRQ/FIQ status
*/
#define C0_IRQSOURCE HWREG32(PER_BASE_40000000 + 0x60) /* Core0 IRQ Source */
#define C1_IRQSOURCE HWREG32(PER_BASE_40000000 + 0x64) /* Core1 IRQ Source */
#define C2_IRQSOURCE HWREG32(PER_BASE_40000000 + 0x68) /* Core2 IRQ Source */
#define C3_IRQSOURCE HWREG32(PER_BASE_40000000 + 0x6C) /* Core3 IRQ Source */
#define C0_FIQSOURCE HWREG32(PER_BASE_40000000 + 0x70) /* Core0 FIQ Source */
#define C1_FIQSOURCE HWREG32(PER_BASE_40000000 + 0x74) /* Core1 FIQ Source */
#define C2_FIQSOURCE HWREG32(PER_BASE_40000000 + 0x78) /* Core2 FIQ Source */
#define C3_FIQSOURCE HWREG32(PER_BASE_40000000 + 0x7C) /* Core3 FIQ Source */
#define CORE_IRQSOURCE(n) HWREG32(PER_BASE_40000000 + 0x60+ n*0x4)
#define CORE_FIQSOURCE(n) HWREG32(PER_BASE_40000000 + 0x70+ n*0x4)
#define CORE_MAILBOX3_SET(n) HWREG32(PER_BASE_40000000 + 0x8C + n*0x10)
#define CORE_MAILBOX3_CLEAR(n) HWREG32(PER_BASE_40000000 + 0xCC + n*0x10)
#define CORE_MAILBOX2_SET(n) HWREG32(PER_BASE_40000000 + 0x88 + n*0x10)
#define CORE_MAILBOX2_CLEAR(n) HWREG32(PER_BASE_40000000 + 0xC8 + n*0x10)
#define CORE_MAILBOX1_SET(n) HWREG32(PER_BASE_40000000 + 0x84 + n*0x10)
#define CORE_MAILBOX1_CLEAR(n) HWREG32(PER_BASE_40000000 + 0xC4 + n*0x10)
#define CORE_MAILBOX0_SET(n) HWREG32(PER_BASE_40000000 + 0x80 + n*0x10)
#define CORE_MAILBOX0_CLEAR(n) HWREG32(PER_BASE_40000000 + 0xC0 + n*0x10)
/* for smp ipi using mailbox0 */
#define IPI_MAILBOX_SET CORE_MAILBOX0_SET
#define IPI_MAILBOX_CLEAR CORE_MAILBOX0_CLEAR
#define IPI_MAILBOX_INT_MASK (0x01)
#define IRQ_ARM_TIMER 64
#define IRQ_ARM_MAILBOX 65
#define IRQ_ARM_DB0 66
#define IRQ_ARM_DB1 67
#define IRQ_ARM_GPU0_HALT 68
#define IRQ_ARM_GPU1_HALT 69
#define IRQ_ARM_ILLEGAL_ACC1 70
#define IRQ_ARM_ILLEGAL_ACC0 71
#define IRQ_SYSTIMER_MATCH_1 1
#define IRQ_SYSTIMER_MATCH_3 3
#define IRQ_AUX 29
#define IRQ_IIC_SPI_SLV 43
#define IRQ_PWA0 45
#define IRQ_PWA1 46
#define IRQ_SMI 48
#define IRQ_GPIO0 49
#define IRQ_GPIO1 50
#define IRQ_GPIO2 51
#define IRQ_GPIO3 52
#define IRQ_IIC 53
#define IRQ_SPI 54
#define IRQ_PCM 55
#define IRQ_UART 57
/* CLOCK */
#define BCM283X_PLLA 0
#define BCM283X_PLLB 1
#define BCM283X_PLLC 2
#define BCM283X_PLLD 3
#define BCM283X_PLLH 4
#define BCM283X_PLLA_CORE 5
#define BCM283X_PLLA_PER 6
#define BCM283X_PLLB_ARM 7
#define BCM283X_PLLC_CORE0 8
#define BCM283X_PLLC_CORE1 9
#define BCM283X_PLLC_CORE2 10
#define BCM283X_PLLC_PER 11
#define BCM283X_PLLD_CORE 12
#define BCM283X_PLLD_PER 13
#define BCM283X_PLLH_RCAL 14
#define BCM283X_PLLH_AUX 15
#define BCM283X_PLLH_PIX 16
#define BCM283X_CLOCK_TIMER 17
#define BCM283X_CLOCK_OTP 18
#define BCM283X_CLOCK_UART 19
#define BCM283X_CLOCK_VPU 20
#define BCM283X_CLOCK_V3D 21
#define BCM283X_CLOCK_ISP 22
#define BCM283X_CLOCK_H264 23
#define BCM283X_CLOCK_VEC 24
#define BCM283X_CLOCK_HSM 25
#define BCM283X_CLOCK_SDRAM 26
#define BCM283X_CLOCK_TSENS 27
#define BCM283X_CLOCK_EMMC 28
#define BCM283X_CLOCK_PERI_IMAGE 29
#define BCM283X_CLOCK_COUNT 30
#define CM_PASSWORD 0x5a000000
#define CM_GNRICCTL 0x000
#define CM_GNRICDIV 0x004
#define CM_VPUCTL 0x008
#define CM_VPUDIV 0x00c
#define CM_SYSCTL 0x010
#define CM_SYSDIV 0x014
#define CM_PERIACTL 0x018
#define CM_PERIADIV 0x01c
#define CM_PERIICTL 0x020
#define CM_PERIIDIV 0x024
#define CM_H264CTL 0x028
#define CM_H264DIV 0x02c
#define CM_ISPCTL 0x030
#define CM_ISPDIV 0x034
#define CM_V3DCTL 0x038
#define CM_V3DDIV 0x03c
#define CM_CAM0CTL 0x040
#define CM_CAM0DIV 0x044
#define CM_CAM1CTL 0x048
#define CM_CAM1DIV 0x04c
#define CM_CCP2CTL 0x050
#define CM_CCP2DIV 0x054
#define CM_DSI0ECTL 0x058
#define CM_DSI0EDIV 0x05c
#define CM_DSI0PCTL 0x060
#define CM_DSI0PDIV 0x064
#define CM_DPICTL 0x068
#define CM_DPIDIV 0x06c
#define CM_GP0CTL 0x070
#define CM_GP0DIV 0x074
#define CM_GP1CTL 0x078
#define CM_GP1DIV 0x07c
#define CM_GP2CTL 0x080
#define CM_GP2DIV 0x084
#define CM_HSMCTL 0x088
#define CM_HSMDIV 0x08c
#define CM_OTPCTL 0x090
#define CM_OTPDIV 0x094
#define CM_PWMCTL 0x0a0
#define CM_PWMDIV 0x0a4
#define CM_SMICTL 0x0b0
#define CM_SMIDIV 0x0b4
#define CM_TSENSCTL 0x0e0
#define CM_TSENSDIV 0x0e4
#define CM_TIMERCTL 0x0e8
#define CM_TIMERDIV 0x0ec
#define CM_UARTCTL 0x0f0
#define CM_UARTDIV 0x0f4
#define CM_VECCTL 0x0f8
#define CM_VECDIV 0x0fc
#define CM_PULSECTL 0x190
#define CM_PULSEDIV 0x194
#define CM_SDCCTL 0x1a8
#define CM_SDCDIV 0x1ac
#define CM_ARMCTL 0x1b0
#define CM_EMMCCTL 0x1c0
#define CM_EMMCDIV 0x1c4
#define BCM283X_AUX_IRQ 0x0000 /*!< xxx */
#define BCM283X_AUX_ENABLE 0x0004 /*!< */
#define BCM283X_AUX_ENABLE_UART1 0x01 /*!< */
#define BCM283X_AUX_ENABLE_SPI0 0x02 /*!< SPI0 (SPI1 in the device) */
#define BCM283X_AUX_ENABLE_SPI1 0x04 /*!< SPI1 (SPI2 in the device) */
#define BCM283X_AUX_SPI_CNTL0 0x0000 /*!< */
#define BCM283X_AUX_SPI_CNTL1 0x0004 /*!< */
#define BCM283X_AUX_SPI_STAT 0x0008 /*!< */
#define BCM283X_AUX_SPI_PEEK 0x000C /*!< Read but do not take from FF */
#define BCM283X_AUX_SPI_IO 0x0020 /*!< Write = TX, read=RX */
#define BCM283X_AUX_SPI_TXHOLD 0x0030 /*!< Write = TX keep CS, read=RX */
#define BCM283X_AUX_SPI_CLOCK_MIN 30500 /*!< 30,5kHz */
#define BCM283X_AUX_SPI_CLOCK_MAX 125000000 /*!< 125Mhz */
#define BCM283X_AUX_SPI_CNTL0_SPEED 0xFFF00000 /*!< */
#define BCM283X_AUX_SPI_CNTL0_SPEED_MAX 0xFFF /*!< */
#define BCM283X_AUX_SPI_CNTL0_SPEED_SHIFT 20 /*!< */
#define BCM283X_AUX_SPI_CNTL0_CS0_N 0x000C0000 /*!< CS 0 low */
#define BCM283X_AUX_SPI_CNTL0_CS1_N 0x000A0000 /*!< CS 1 low */
#define BCM283X_AUX_SPI_CNTL0_CS2_N 0x00060000 /*!< CS 2 low */
#define BCM283X_AUX_SPI_CNTL0_POSTINPUT 0x00010000 /*!< */
#define BCM283X_AUX_SPI_CNTL0_VAR_CS 0x00008000 /*!< */
#define BCM283X_AUX_SPI_CNTL0_VAR_WIDTH 0x00004000 /*!< */
#define BCM283X_AUX_SPI_CNTL0_DOUTHOLD 0x00003000 /*!< */
#define BCM283X_AUX_SPI_CNTL0_ENABLE 0x00000800 /*!< */
#define BCM283X_AUX_SPI_CNTL0_CPHA_IN 0x00000400 /*!< */
#define BCM283X_AUX_SPI_CNTL0_CLEARFIFO 0x00000200 /*!< */
#define BCM283X_AUX_SPI_CNTL0_CPHA_OUT 0x00000100 /*!< */
#define BCM283X_AUX_SPI_CNTL0_CPOL 0x00000080 /*!< */
#define BCM283X_AUX_SPI_CNTL0_MSBF_OUT 0x00000040 /*!< */
#define BCM283X_AUX_SPI_CNTL0_SHIFTLEN 0x0000003F /*!< */
#define BCM283X_AUX_SPI_CNTL1_CSHIGH 0x00000700 /*!< */
#define BCM283X_AUX_SPI_CNTL1_IDLE 0x00000080 /*!< */
#define BCM283X_AUX_SPI_CNTL1_TXEMPTY 0x00000040 /*!< */
#define BCM283X_AUX_SPI_CNTL1_MSBF_IN 0x00000002 /*!< */
#define BCM283X_AUX_SPI_CNTL1_KEEP_IN 0x00000001 /*!< */
#define BCM283X_AUX_SPI_STAT_TX_LVL 0xFF000000 /*!< */
#define BCM283X_AUX_SPI_STAT_RX_LVL 0x00FF0000 /*!< */
#define BCM283X_AUX_SPI_STAT_TX_FULL 0x00000400 /*!< */
#define BCM283X_AUX_SPI_STAT_TX_EMPTY 0x00000200 /*!< */
#define BCM283X_AUX_SPI_STAT_RX_FULL 0x00000100 /*!< */
#define BCM283X_AUX_SPI_STAT_RX_EMPTY 0x00000080 /*!< */
#define BCM283X_AUX_SPI_STAT_BUSY 0x00000040 /*!< */
#define BCM283X_AUX_SPI_STAT_BITCOUNT 0x0000003F /*!< */
/* Defines for SPI */
#define BCM283X_SPI0_CS 0x0000 /*!< SPI Master Control and Status */
#define BCM283X_SPI0_FIFO 0x0004 /*!< SPI Master TX and RX FIFOs */
#define BCM283X_SPI0_CLK 0x0008 /*!< SPI Master Clock Divider */
#define BCM283X_SPI0_DLEN 0x000c /*!< SPI Master Data Length */
#define BCM283X_SPI0_LTOH 0x0010 /*!< SPI LOSSI mode TOH */
#define BCM283X_SPI0_DC 0x0014 /*!< SPI DMA DREQ Controls */
/* Register masks for SPI0_CS */
#define BCM283X_SPI0_CS_LEN_LONG 0x02000000 /*!< Enable Long data word in Lossi mode if DMA_LEN is set */
#define BCM283X_SPI0_CS_DMA_LEN 0x01000000 /*!< Enable DMA mode in Lossi mode */
#define BCM283X_SPI0_CS_CSPOL2 0x00800000 /*!< Chip Select 2 Polarity */
#define BCM283X_SPI0_CS_CSPOL1 0x00400000 /*!< Chip Select 1 Polarity */
#define BCM283X_SPI0_CS_CSPOL0 0x00200000 /*!< Chip Select 0 Polarity */
#define BCM283X_SPI0_CS_RXF 0x00100000 /*!< RXF - RX FIFO Full */
#define BCM283X_SPI0_CS_RXR 0x00080000 /*!< RXR RX FIFO needs Reading (full) */
#define BCM283X_SPI0_CS_TXD 0x00040000 /*!< TXD TX FIFO can accept Data */
#define BCM283X_SPI0_CS_RXD 0x00020000 /*!< RXD RX FIFO contains Data */
#define BCM283X_SPI0_CS_DONE 0x00010000 /*!< Done transfer Done */
#define BCM283X_SPI0_CS_TE_EN 0x00008000 /*!< Unused */
#define BCM283X_SPI0_CS_LMONO 0x00004000 /*!< Unused */
#define BCM283X_SPI0_CS_LEN 0x00002000 /*!< LEN LoSSI enable */
#define BCM283X_SPI0_CS_REN 0x00001000 /*!< REN Read Enable */
#define BCM283X_SPI0_CS_ADCS 0x00000800 /*!< ADCS Automatically Deassert Chip Select */
#define BCM283X_SPI0_CS_INTR 0x00000400 /*!< INTR Interrupt on RXR */
#define BCM283X_SPI0_CS_INTD 0x00000200 /*!< INTD Interrupt on Done */
#define BCM283X_SPI0_CS_DMAEN 0x00000100 /*!< DMAEN DMA Enable */
#define BCM283X_SPI0_CS_TA 0x00000080 /*!< Transfer Active */
#define BCM283X_SPI0_CS_CSPOL 0x00000040 /*!< Chip Select Polarity */
#define BCM283X_SPI0_CS_CLEAR 0x00000030 /*!< Clear FIFO Clear RX and TX */
#define BCM283X_SPI0_CS_CLEAR_RX 0x00000020 /*!< Clear FIFO Clear RX */
#define BCM283X_SPI0_CS_CLEAR_TX 0x00000010 /*!< Clear FIFO Clear TX */
#define BCM283X_SPI0_CS_CPOL 0x00000008 /*!< Clock Polarity */
#define BCM283X_SPI0_CS_CPHA 0x00000004 /*!< Clock Phase */
#define BCM283X_SPI0_CS_CS 0x00000003 /*!< Chip Select */
enum spi_bit_order
{
BCM283X_SPI_BIT_ORDER_LSBFIRST = 0, /*!< LSB First */
BCM283X_SPI_BIT_ORDER_MSBFIRST = 1 /*!< MSB First */
};
enum spi_mode
{
BCM283X_SPI_MODE0 = 0, /*!< CPOL = 0, CPHA = 0 */
BCM283X_SPI_MODE1 = 1, /*!< CPOL = 0, CPHA = 1 */
BCM283X_SPI_MODE2 = 2, /*!< CPOL = 1, CPHA = 0 */
BCM283X_SPI_MODE3 = 3 /*!< CPOL = 1, CPHA = 1 */
};
enum spi_chip_select
{
BCM283X_SPI_CS0 = 0, /*!< Chip Select 0 */
BCM283X_SPI_CS1 = 1, /*!< Chip Select 1 */
BCM283X_SPI_CS2 = 2, /*!< Chip Select 2 (ie pins CS1 and CS2 are asserted) */
BCM283X_SPI_CS_NONE = 3 /*!< No CS, control it yourself */
};
enum spi_clock_divider
{
BCM283X_SPI_CLOCK_DIVIDER_65536 = 0, /*!< 65536 = 3.814697260kHz on Rpi2, 6.1035156kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_32768 = 32768, /*!< 32768 = 7.629394531kHz on Rpi2, 12.20703125kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_16384 = 16384, /*!< 16384 = 15.25878906kHz on Rpi2, 24.4140625kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_8192 = 8192, /*!< 8192 = 30.51757813kHz on Rpi2, 48.828125kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_4096 = 4096, /*!< 4096 = 61.03515625kHz on Rpi2, 97.65625kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_2048 = 2048, /*!< 2048 = 122.0703125kHz on Rpi2, 195.3125kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_1024 = 1024, /*!< 1024 = 244.140625kHz on Rpi2, 390.625kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_512 = 512, /*!< 512 = 488.28125kHz on Rpi2, 781.25kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_256 = 256, /*!< 256 = 976.5625kHz on Rpi2, 1.5625MHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_128 = 128, /*!< 128 = 1.953125MHz on Rpi2, 3.125MHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_64 = 64, /*!< 64 = 3.90625MHz on Rpi2, 6.250MHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_32 = 32, /*!< 32 = 7.8125MHz on Rpi2, 12.5MHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_16 = 16, /*!< 16 = 15.625MHz on Rpi2, 25MHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_8 = 8, /*!< 8 = 31.25MHz on Rpi2, 50MHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_4 = 4, /*!< 4 = 62.5MHz on Rpi2, 100MHz on RPI3. Dont expect this speed to work reliably. */
BCM283X_SPI_CLOCK_DIVIDER_2 = 2, /*!< 2 = 125MHz on Rpi2, 200MHz on RPI3, fastest you can get. Dont expect this speed to work reliably.*/
BCM283X_SPI_CLOCK_DIVIDER_1 = 1 /*!< 1 = 3.814697260kHz on Rpi2, 6.1035156kHz on RPI3, same as 0/65536 */
};
/* BCM IO pin */
enum bcm_gpio_pin
{
BCM_GPIO_PIN_0 = 0,
BCM_GPIO_PIN_1,
BCM_GPIO_PIN_2,
BCM_GPIO_PIN_3,
BCM_GPIO_PIN_4,
BCM_GPIO_PIN_5,
BCM_GPIO_PIN_6,
BCM_GPIO_PIN_7,
BCM_GPIO_PIN_8,
BCM_GPIO_PIN_9,
BCM_GPIO_PIN_10,
BCM_GPIO_PIN_11,
BCM_GPIO_PIN_12,
BCM_GPIO_PIN_13,
BCM_GPIO_PIN_14,
BCM_GPIO_PIN_15,
BCM_GPIO_PIN_16,
BCM_GPIO_PIN_17,
BCM_GPIO_PIN_18,
BCM_GPIO_PIN_19,
BCM_GPIO_PIN_20,
BCM_GPIO_PIN_21,
BCM_GPIO_PIN_22,
BCM_GPIO_PIN_23,
BCM_GPIO_PIN_24,
BCM_GPIO_PIN_25,
BCM_GPIO_PIN_26,
BCM_GPIO_PIN_27,
BCM_GPIO_PIN_28,
BCM_GPIO_PIN_29,
BCM_GPIO_PIN_30,
BCM_GPIO_PIN_31,
BCM_GPIO_PIN_32,
BCM_GPIO_PIN_33,
BCM_GPIO_PIN_34,
BCM_GPIO_PIN_35,
BCM_GPIO_PIN_36,
BCM_GPIO_PIN_37,
BCM_GPIO_PIN_38,
BCM_GPIO_PIN_39,
BCM_GPIO_PIN_40,
BCM_GPIO_PIN_41,
BCM_GPIO_PIN_42,
BCM_GPIO_PIN_43,
BCM_GPIO_PIN_44,
BCM_GPIO_PIN_45,
BCM_GPIO_PIN_46,
BCM_GPIO_PIN_47,
BCM_GPIO_PIN_48,
BCM_GPIO_PIN_49,
BCM_GPIO_PIN_50,
BCM_GPIO_PIN_51,
BCM_GPIO_PIN_52,
BCM_GPIO_PIN_53,
BCM_GPIO_PIN_NUM,
};
rt_uint32_t bcm283x_peri_read(volatile rt_ubase_t addr);
rt_uint32_t bcm283x_peri_read_nb(volatile rt_ubase_t addr);
void bcm283x_peri_write(volatile rt_ubase_t addr, rt_uint32_t value);
void bcm283x_peri_write_nb(volatile rt_ubase_t addr, rt_uint32_t value);
void bcm283x_peri_set_bits(volatile rt_ubase_t addr, rt_uint32_t value, rt_uint32_t mask);
void bcm283x_gpio_fsel(rt_uint8_t pin, rt_uint8_t mode);
void bcm283x_gpio_set(rt_uint8_t pin);
void bcm283x_gpio_clr(rt_uint8_t pin);
rt_uint8_t bcm283x_gpio_lev(rt_uint8_t pin);
rt_uint8_t bcm283x_gpio_eds(rt_uint8_t pin);
void bcm283x_gpio_set_eds(rt_uint8_t pin);
void bcm283x_gpio_ren(rt_uint8_t pin);
void bcm283x_gpio_clr_ren(rt_uint8_t pin);
void bcm283x_gpio_fen(rt_uint8_t pin);
void bcm283x_gpio_clr_fen(rt_uint8_t pin);
void bcm283x_gpio_hen(rt_uint8_t pin);
void bcm283x_gpio_clr_hen(rt_uint8_t pin);
void bcm283x_gpio_len(rt_uint8_t pin);
void bcm283x_gpio_clr_len(rt_uint8_t pin);
void bcm283x_gpio_aren(rt_uint8_t pin);
void bcm283x_gpio_clr_aren(rt_uint8_t pin);
void bcm283x_gpio_afen(rt_uint8_t pin);
void bcm283x_gpio_clr_afen(rt_uint8_t pin);
void bcm283x_gpio_pud(rt_uint8_t pud);
void bcm283x_gpio_pudclk(rt_uint8_t pin, rt_uint8_t on);
void bcm283x_gpio_set_pud(rt_uint8_t pin, rt_uint8_t pud);
void bcm283x_gpio_write(rt_uint8_t pin, rt_uint8_t val);
void bcm283x_st_delay(rt_uint64_t offset_micros, rt_uint64_t micros);
rt_uint64_t bcm283x_st_read(void);
void bcm283x_delayMicroseconds(rt_uint64_t micros);
void bcm283x_clo_delayMicros(rt_uint32_t micros);
int bcm283x_i2c_begin(int no);
void bcm283x_i2c_end(int no);
void bcm283x_i2c_setSlaveAddress(int no, rt_uint8_t saddr);
void bcm283x_i2c_setClockDivider(int no, rt_uint16_t divider);
void bcm283x_i2c_set_baudrate(int no, rt_uint32_t baudrate);
rt_uint8_t bcm283x_i2c_read(rt_uint32_t base, rt_uint8_t* buf, rt_uint32_t len);
rt_uint8_t bcm283x_i2c_write(rt_uint32_t base, const rt_uint8_t * buf, rt_uint32_t len);
rt_uint8_t bcm283x_i2c_write_read_rs(char* cmds, rt_uint32_t cmds_len, char* buf, rt_uint32_t buf_len);
#endif

1
bsp/raspberry-pi/raspi3-64/driver/board.c
View File

@ -17,6 +17,7 @@
#include "cp15.h"
#include "mmu.h"
#include "raspi.h"
#ifdef BSP_USING_CORETIMER
static rt_uint64_t timerStep;

4
bsp/raspberry-pi/raspi3-64/driver/board.h
View File

@ -13,10 +13,6 @@
#include <stdint.h>
#include <rthw.h>
#include <bcm283x.h>
#define __REG32 HWREG32
extern unsigned char __bss_start;
extern unsigned char __bss_end;

532
bsp/raspberry-pi/raspi3-64/driver/drv_gpio.c
View File

@ -10,62 +10,8 @@
#include "raspi.h"
#include "drv_gpio.h"
#ifdef BSP_USING_PIN
struct rpi_pin_index
{
rt_uint8_t phy_id;
rt_uint8_t bcm_id;
rt_uint8_t signal_name;
rt_uint8_t magic;
};
//raspi phy id and bcm id
static struct rpi_pin_index phypin_index[] =
{
{0, 0, 0, 0},
{1, 0, 0, 0},
{2, 0, 0, 0},
{3, BCM_GPIO_PIN_2, RPI_SDA1, PIN_MAGIC},
{4, 0, 0, 0},
{5, BCM_GPIO_PIN_3, RPI_SCL1, PIN_MAGIC},
{6, 0, 0, 0},
{7, BCM_GPIO_PIN_4, RPI_GPIO_GCLK, PIN_MAGIC},
{8, BCM_GPIO_PIN_14, RPI_TXD0, PIN_MAGIC},
{9, 0, 0, 0},
{10, BCM_GPIO_PIN_15, RPI_RXD0, PIN_MAGIC},
{11, BCM_GPIO_PIN_17, RPI_GPIO_GEN0, PIN_MAGIC},
{12, BCM_GPIO_PIN_18, RPI_GPIO_GEN1, PIN_MAGIC},
{13, BCM_GPIO_PIN_27, RPI_GPIO_GEN2, PIN_MAGIC},
{14, 0, 0, 0},
{15, BCM_GPIO_PIN_22, RPI_GPIO_GEN3, PIN_MAGIC},
{16, BCM_GPIO_PIN_23, RPI_GPIO_GEN4, PIN_MAGIC},
{17, 0, 0, 0},
{18, BCM_GPIO_PIN_24, RPI_GPIO_GEN5, PIN_MAGIC},
{19, BCM_GPIO_PIN_10, RPI_SPI_MOSI, PIN_MAGIC},
{20, 0, 0, 0},
{21, BCM_GPIO_PIN_9, RPI_SPI_MISO, PIN_MAGIC},
{22, BCM_GPIO_PIN_25, RPI_GPIO_GEN6, PIN_MAGIC},
{23, BCM_GPIO_PIN_11, RPI_SPI_SCLK, PIN_MAGIC},
{24, BCM_GPIO_PIN_8, RPI_SPI_CE0_N, PIN_MAGIC},
{25, 0, 0, 0},
{26, BCM_GPIO_PIN_7, RPI_SPI_CE1_N, PIN_MAGIC},
{27, BCM_GPIO_PIN_0, RPI_SDA0, PIN_MAGIC},
{28, BCM_GPIO_PIN_1, RPI_SCL0, PIN_MAGIC},
{29, BCM_GPIO_PIN_5, RPI_CAM_CLK, PIN_MAGIC},
{30, 0, 0, 0},
{31, BCM_GPIO_PIN_6, RPI_LAN_RUN, PIN_MAGIC},
{32, BCM_GPIO_PIN_12, 0, PIN_MAGIC},
{33, BCM_GPIO_PIN_13, 0, PIN_MAGIC},
{34, 0, 0, 0},
{35, BCM_GPIO_PIN_19, 0, PIN_MAGIC},
{36, BCM_GPIO_PIN_16, RPI_STATUS_LED_N, PIN_MAGIC},
{37, BCM_GPIO_PIN_26, 0, PIN_MAGIC},
{38, BCM_GPIO_PIN_20, 0, PIN_MAGIC},
{39, 0, 0, 0},
{40, BCM_GPIO_PIN_21, RPI_CAM_GPIO, PIN_MAGIC},
};
/*
* gpio_int[0] for BANK0 (pins 0-27)
* gpio_int[1] for BANK1 (pins 28-45)
@ -73,132 +19,19 @@ static struct rpi_pin_index phypin_index[] =
*/
static struct gpio_irq_def _g_gpio_irq_tbl[GPIO_IRQ_NUM];
int gpio_set_func(enum gpio_code code, enum bcm_gpio_pin pin, rt_uint8_t func)
void gpio_set_pud(rt_uint8_t pin, rt_uint8_t pud)
{
RT_ASSERT((GPIO_CODE_PHY <= code) && (code < GPIO_CODE_NUM));
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_53));
if (func & 0x8)
{
rt_kprintf("[line]:%d There is a warning with parameter input", __LINE__);
return RT_EINVAL;
}
switch(func)
{
case 0x00:
bcm283x_gpio_fsel(pin, BCM283X_GPIO_FSEL_OUTP);
break;
case 0x01:
bcm283x_gpio_fsel(pin, BCM283X_GPIO_FSEL_INPT);
break;
case 0x02:
bcm283x_gpio_set_pud(pin, BCM283X_GPIO_PUD_UP);
bcm283x_gpio_fsel(pin, BCM283X_GPIO_FSEL_INPT);
break;
case 0x03:
bcm283x_gpio_set_pud(pin, BCM283X_GPIO_PUD_DOWN);
bcm283x_gpio_fsel(pin, BCM283X_GPIO_FSEL_INPT);
break;
case 0x04:
bcm283x_gpio_set_pud(pin, BCM283X_GPIO_PUD_OFF);
bcm283x_gpio_fsel(pin, BCM283X_GPIO_FSEL_OUTP);
break;
}
return RT_EOK;
rt_uint8_t num = pin / 32;
rt_uint8_t shift = pin % 32;
BCM283X_GPIO_GPPUD = pud;
DELAY_MICROS(10);
BCM283X_GPIO_GPPUDCLK(num) = 1 << shift;
DELAY_MICROS(10);
BCM283X_GPIO_GPPUD = BCM283X_GPIO_PUD_OFF;
BCM283X_GPIO_GPPUDCLK(num) = 0 << shift;
}
int gpio_set_value(enum gpio_code code, enum bcm_gpio_pin pin, rt_uint8_t value)
{
RT_ASSERT((GPIO_CODE_PHY <= code) && (code < GPIO_CODE_NUM));
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_53));
if (value & 0xE)
{
rt_kprintf("[line]:%d There is a warning with parameter input", __LINE__);
return RT_EINVAL;
}
bcm283x_gpio_write(pin, value);
return RT_EOK;
}
int gpio_get_value(enum gpio_code code, enum bcm_gpio_pin pin)
{
rt_uint8_t data;
RT_ASSERT((GPIO_CODE_PHY <= code) && (code < GPIO_CODE_NUM));
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_53));
data = bcm283x_gpio_lev(pin);
return data;
}
void gpio_set_irq_callback(enum gpio_code port, enum bcm_gpio_pin pin, void (*irq_cb)(void *), void *irq_arg)
{
RT_ASSERT((GPIO_CODE_PHY < port) && (port < GPIO_CODE_NUM));
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_53));
rt_uint8_t index;
if (pin <= 27)
{
index = 0;
}
else if (pin <= 45)
{
index = 1;
}
else{
index = 2;
}
_g_gpio_irq_tbl[index].irq_cb[pin] = irq_cb;
_g_gpio_irq_tbl[index].irq_arg[pin] = irq_arg;
}
void gpio_set_irq_type(enum gpio_code port, enum bcm_gpio_pin pin, rt_uint8_t irq_type)
{
RT_ASSERT((GPIO_CODE_PHY < port) && (port < GPIO_CODE_NUM));
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_53));
rt_uint8_t index;
if (pin <= 27)
{
index = 0;
}
else if (pin <= 45)
{
index = 1;
}
else{
index = 2;
}
_g_gpio_irq_tbl[index].irq_type[pin] = irq_type;
switch(irq_type)
{
case 0x00:
bcm283x_gpio_ren(pin);
break;
case 0x01:
bcm283x_gpio_fen(pin);
break;
case 0x02:
bcm283x_gpio_aren(pin);
bcm283x_gpio_afen(pin);
break;
case 0x03:
bcm283x_gpio_hen(pin);
break;
case 0x04:
bcm283x_gpio_len(pin);
break;
}
}
static void gpio_ack_irq(int irq, enum bcm_gpio_pin pin)
static void gpio_ack_irq(int irq, bcm_gpio_pin pin)
{
rt_uint32_t data;
data = IRQ_PEND2;
@ -210,97 +43,58 @@ static void gpio_ack_irq(int irq, enum bcm_gpio_pin pin)
IRQ_DISABLE2 = data;
}
void gpio_irq_disable(enum gpio_code port, enum bcm_gpio_pin pin)
void gpio_irq_disable(rt_uint8_t index, bcm_gpio_pin pin)
{
rt_uint8_t index;
int irq = 0;
RT_ASSERT((GPIO_CODE_PHY < port) && (port < GPIO_CODE_NUM));
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_53));
if (pin <= 27)
{
index = 0;
irq = IRQ_GPIO0;
}else if (pin <= 45){
index = 1;
irq = IRQ_GPIO1;
}else{
index = 2;
irq = IRQ_GPIO2;
}
rt_uint32_t reg_value;
rt_uint8_t irq_type;
irq = IRQ_GPIO0 + index;
gpio_ack_irq(irq, pin);
rt_uint8_t irq_type = _g_gpio_irq_tbl[index].irq_type[pin];
irq_type = _g_gpio_irq_tbl[index].irq_type[pin];
rt_uint8_t shift = pin % 32;
rt_uint32_t mask = 1 << shift;
switch(irq_type)
switch (irq_type)
{
case 0x00:
bcm283x_gpio_clr_ren(pin);
case PIN_IRQ_MODE_RISING:
reg_value = BCM283X_GPIO_GPREN(pin /32);
BCM283X_GPIO_GPREN(pin /32) = (reg_value & ~ mask) | (PIN_LOW & mask);
break;
case 0x01:
bcm283x_gpio_clr_fen(pin);
case PIN_IRQ_MODE_FALLING:
reg_value = BCM283X_GPIO_GPFEN(pin /32);
BCM283X_GPIO_GPFEN(pin /32) = (reg_value & ~ mask) | (PIN_LOW & mask);
break;
case 0x02:
bcm283x_gpio_clr_aren(pin);
bcm283x_gpio_clr_afen(pin);
case PIN_IRQ_MODE_RISING_FALLING:
reg_value = BCM283X_GPIO_GPAREN(pin /32);
BCM283X_GPIO_GPAREN(pin /32) = (reg_value & ~ mask) | (PIN_LOW & mask);
reg_value = BCM283X_GPIO_GPAFEN(pin /32);
BCM283X_GPIO_GPAFEN(pin /32) = (reg_value & ~ mask) | (PIN_LOW & mask);
break;
case 0x03:
bcm283x_gpio_clr_hen(pin);
case PIN_IRQ_MODE_HIGH_LEVEL:
reg_value = BCM283X_GPIO_GPHEN(pin /32);
BCM283X_GPIO_GPHEN(pin /32) = (reg_value & ~ mask) | (PIN_LOW & mask);
break;
case 0x04:
bcm283x_gpio_clr_len(pin);
case PIN_IRQ_MODE_LOW_LEVEL:
reg_value = BCM283X_GPIO_GPLEN(pin /32);
BCM283X_GPIO_GPLEN(pin /32) = (reg_value & ~ mask) | (PIN_LOW & mask);
break;
}
}
void gpio_clear_irq_callback(enum gpio_code port, enum bcm_gpio_pin pin)
void gpio_irq_enable(rt_uint8_t index, bcm_gpio_pin pin)
{
rt_uint8_t index;
gpio_irq_disable(port, pin);
if (pin <= 27)
{
index = 0;
}
else if (pin <= 45)
{
index = 1;
}
else
{
index = 2;
}
_g_gpio_irq_tbl[index].irq_cb[pin] = RT_NULL;
_g_gpio_irq_tbl[index].irq_arg[pin] = RT_NULL;
_g_gpio_irq_tbl[index].irq_type[pin] = RT_NULL;
}
void gpio_irq_enable(enum gpio_code port, enum bcm_gpio_pin pin)
{
rt_uint32_t offset;
rt_uint32_t data;
RT_ASSERT((GPIO_CODE_PHY < port) && (port < GPIO_CODE_NUM));
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_53));
offset = pin;
if (pin <= 27)
{
if (index == 0)
offset = IRQ_GPIO0 - 32;
}
else if (pin <= 45)
{
else if (index == 1)
offset = IRQ_GPIO1 - 32;
}
else
{
offset = IRQ_GPIO2 - 32;
}
data = IRQ_ENABLE2;
data |= 0x1 << offset;
@ -308,51 +102,179 @@ void gpio_irq_enable(enum gpio_code port, enum bcm_gpio_pin pin)
}
//gpio_int[0] for BANK0 (pins 0-27)
//gpio_int[1] for BANK1 (pins 28-45)
//gpio_int[2] for BANK2 (pins 46-53)
static void raspi_pin_mode(struct rt_device *dev, rt_base_t pin, rt_base_t mode)
{
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_NULL));
RT_ASSERT(!(mode & 0x8));
switch (mode)
{
case PIN_MODE_OUTPUT:
GPIO_FSEL(pin, BCM283X_GPIO_FSEL_OUTP);
break;
case PIN_MODE_INPUT:
GPIO_FSEL(pin, BCM283X_GPIO_FSEL_INPT);
break;
case PIN_MODE_INPUT_PULLUP:
gpio_set_pud(pin, BCM283X_GPIO_PUD_UP);
GPIO_FSEL(pin, BCM283X_GPIO_FSEL_INPT);
break;
case PIN_MODE_INPUT_PULLDOWN:
gpio_set_pud(pin, BCM283X_GPIO_PUD_DOWN);
GPIO_FSEL(pin, BCM283X_GPIO_FSEL_INPT);
break;
case PIN_MODE_OUTPUT_OD:
gpio_set_pud(pin, BCM283X_GPIO_PUD_OFF);
GPIO_FSEL(pin, BCM283X_GPIO_FSEL_OUTP);
break;
}
}
static void raspi_pin_write(struct rt_device *dev, rt_base_t pin, rt_base_t value)
{
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_NULL));
RT_ASSERT(!(value & 0xE));
if (value)
BCM283X_GPIO_GPSET(pin / 32) |= (1 << (pin %32));
else
BCM283X_GPIO_GPCLR(pin / 32) |= (0 << (pin %32));
}
static int raspi_pin_read(struct rt_device *device, rt_base_t pin)
{
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_NULL));
return (BCM2835_GPIO_GPLEV(pin / 32) & (1 << (pin % 32)))? PIN_HIGH : PIN_LOW;
}
static rt_err_t raspi_pin_attach_irq(struct rt_device *device, rt_int32_t pin, rt_uint32_t mode, void (*hdr)(void *args), void *args)
{
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_NULL));
rt_uint8_t index;
rt_uint32_t reg_value;
if (pin <= 27)
index = 0;
else if (pin <= 45)
index = 1;
else
index = 2;
_g_gpio_irq_tbl[index].irq_cb[pin] = hdr;
_g_gpio_irq_tbl[index].irq_arg[pin] = args;
_g_gpio_irq_tbl[index].irq_type[pin] = mode;
rt_uint8_t shift = pin % 32;
rt_uint32_t mask = 1 << shift;
switch (mode)
{
case PIN_IRQ_MODE_RISING:
reg_value = BCM283X_GPIO_GPREN(pin /32);
BCM283X_GPIO_GPREN(pin /32) = (reg_value & ~ mask) | (PIN_HIGH & mask);
break;
case PIN_IRQ_MODE_FALLING:
reg_value = BCM283X_GPIO_GPFEN(pin /32);
BCM283X_GPIO_GPFEN(pin /32) = (reg_value & ~ mask) | (PIN_HIGH & mask);
break;
case PIN_IRQ_MODE_RISING_FALLING:
reg_value = BCM283X_GPIO_GPAREN(pin /32);
BCM283X_GPIO_GPAREN(pin /32) = (reg_value & ~ mask) | (PIN_HIGH & mask);
reg_value = BCM283X_GPIO_GPAFEN(pin /32);
BCM283X_GPIO_GPAFEN(pin /32) = (reg_value & ~ mask) | (PIN_HIGH & mask);
break;
case PIN_IRQ_MODE_HIGH_LEVEL:
reg_value = BCM283X_GPIO_GPHEN(pin /32);
BCM283X_GPIO_GPHEN(pin /32) = (reg_value & ~ mask) | (PIN_HIGH & mask);
break;
case PIN_IRQ_MODE_LOW_LEVEL:
reg_value = BCM283X_GPIO_GPLEN(pin /32);
BCM283X_GPIO_GPLEN(pin /32) = (reg_value & ~ mask) | (PIN_HIGH & mask);
break;
}
return RT_EOK;
}
static rt_err_t raspi_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
{
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_NULL));
rt_uint8_t index;
if (pin <= 27)
index = 0;
else if (pin <= 45)
index = 1;
else
index = 2;
gpio_irq_disable(index, pin);
_g_gpio_irq_tbl[index].irq_cb[pin] = RT_NULL;
_g_gpio_irq_tbl[index].irq_arg[pin] = RT_NULL;
_g_gpio_irq_tbl[index].irq_type[pin] = RT_NULL;
return RT_EOK;
}
rt_err_t raspi_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_uint32_t enabled)
{
RT_ASSERT((BCM_GPIO_PIN_0 <= pin) && (pin < BCM_GPIO_PIN_NULL));
rt_uint8_t index;
if (pin <= 27)
index = 0;
else if (pin <= 45)
index = 1;
else
index = 2;
if (enabled)
gpio_irq_enable(index, pin);
else
gpio_irq_disable(index, pin);
return RT_EOK;
}
static void gpio_irq_handler(int irq, void *param)
{
struct gpio_irq_def *irq_def = (struct gpio_irq_def *)param;
rt_uint32_t pin;
rt_uint32_t addr;
rt_uint32_t value;
rt_uint32_t tmpvalue;
if (irq == IRQ_GPIO0)
{
/* 0~27 */
addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPEDS0; // 0~31
value = bcm283x_peri_read(addr);
value = BCM283X_GPIO_GPEDS(0);
value &= 0x0fffffff;
pin = 0;
BCM283X_GPIO_GPEDS(0) = 0;
}
else if (irq == IRQ_GPIO1)
{
/* 28-45 */
addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPEDS0;
tmpvalue = bcm283x_peri_read(addr);
tmpvalue = BCM283X_GPIO_GPEDS(0);
tmpvalue &= (~0x0fffffff);
addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPEDS1;
value = bcm283x_peri_read(addr);
value = BCM283X_GPIO_GPEDS(1);
value &= 0x3fff;
value = (value<<4) | tmpvalue;
pin = 28;
BCM283X_GPIO_GPEDS(0) = 0;
BCM283X_GPIO_GPEDS(1) = 0;
}
else if (irq == IRQ_GPIO2)
{
/* 46-53 */
addr = BCM283X_GPIO_BASE + BCM283X_GPIO_GPEDS1;
value = bcm283x_peri_read(addr);
value = BCM283X_GPIO_GPEDS(1);
value &= (~0x3fff);
value &= 0xff600000;
pin = 46;
BCM283X_GPIO_GPEDS(1) = 0;
}
bcm283x_peri_write(addr,0);
while (value)
{
if ((value & 0x1) && (irq_def->irq_cb[pin] != RT_NULL))
@ -365,90 +287,14 @@ static void gpio_irq_handler(int irq, void *param)
}
}
static void pin_mode(struct rt_device *dev, rt_base_t pin, rt_base_t mode)
{
if ((pin > PIN_NUM(phypin_index)) || (phypin_index[pin].magic != PIN_MAGIC))
{
rt_kprintf("pin:%d value wrongful", pin);
return;
}
gpio_set_func(GPIO_CODE_BCM, phypin_index[pin].bcm_id, mode);
}
static void pin_write(struct rt_device *dev, rt_base_t pin, rt_base_t value)
{
if ((pin > PIN_NUM(phypin_index)) || (phypin_index[pin].magic != PIN_MAGIC))
{
rt_kprintf("pin:%d value wrongful", pin);
return;
}
gpio_set_value(GPIO_CODE_BCM, phypin_index[pin].bcm_id, value);
}
static int pin_read(struct rt_device *device, rt_base_t pin)
{
if ((pin > PIN_NUM(phypin_index)) || (phypin_index[pin].magic != PIN_MAGIC))
{
rt_kprintf("pin:%d value wrongful", pin);
return 0;
}
return gpio_get_value(GPIO_CODE_BCM, phypin_index[pin].bcm_id);
}
static rt_err_t pin_attach_irq(struct rt_device *device, rt_int32_t pin, rt_uint32_t mode, void (*hdr)(void *args), void *args)
{
if ((pin > PIN_NUM(phypin_index)) || (phypin_index[pin].magic != PIN_MAGIC))
{
rt_kprintf("pin:%d value wrongful", pin);
return RT_ERROR;
}
gpio_set_irq_callback(GPIO_CODE_BCM , phypin_index[pin].bcm_id, hdr, args);
gpio_set_irq_type(GPIO_CODE_BCM, phypin_index[pin].bcm_id, mode);
return RT_EOK;
}
static rt_err_t pin_detach_irq(struct rt_device *device, rt_int32_t pin)
{
if ((pin > PIN_NUM(phypin_index)) || (phypin_index[pin].magic != PIN_MAGIC))
{
rt_kprintf("pin:%d value wrongful", pin);
return RT_ERROR;
}
gpio_clear_irq_callback(GPIO_CODE_BCM, phypin_index[pin].bcm_id);
return RT_EOK;
}
rt_err_t pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_uint32_t enabled)
{
if ((pin > PIN_NUM(phypin_index)) || (phypin_index[pin].magic != PIN_MAGIC))
{
rt_kprintf("pin:%d value wrongful", pin);
return RT_ERROR;
}
if (enabled)
gpio_irq_enable(GPIO_CODE_BCM, phypin_index[pin].bcm_id);
else
gpio_irq_disable(GPIO_CODE_BCM, phypin_index[pin].bcm_id);
return RT_EOK;
}
static const struct rt_pin_ops ops =
{
pin_mode,
pin_write,
pin_read,
pin_attach_irq,
pin_detach_irq,
pin_irq_enable,
raspi_pin_mode,
raspi_pin_write,
raspi_pin_read,
raspi_pin_attach_irq,
raspi_pin_detach_irq,
raspi_pin_irq_enable,
};
#endif
@ -456,7 +302,6 @@ int rt_hw_gpio_init(void)
{
#ifdef BSP_USING_PIN
rt_device_pin_register("gpio", &ops, RT_NULL);
#endif
/* install ISR */
rt_hw_interrupt_install(IRQ_GPIO0, gpio_irq_handler, &_g_gpio_irq_tbl[0], "gpio0_irq");
@ -467,6 +312,7 @@ int rt_hw_gpio_init(void)
rt_hw_interrupt_install(IRQ_GPIO2, gpio_irq_handler, &_g_gpio_irq_tbl[2], "gpio2_irq");
rt_hw_interrupt_umask(IRQ_GPIO2);
#endif
return 0;
}

13
bsp/raspberry-pi/raspi3-64/driver/drv_gpio.h
View File

@ -11,19 +11,20 @@
#ifndef __DRV_GPIO_H__
#define __DRV_GPIO_H__
#include <rthw.h>
#include <rtthread.h>
#include <rtdevice.h>
#include <rtdebug.h>
#include <rtdbg.h>
#include "interrupt.h"
#include "bcm283x.h"
#include "raspi.h"
#include "board.h"
#include "interrupt.h"
#define GPIO_IRQ_NUM 3
#define IRQ_GPIO0 49
#define IRQ_GPIO1 50
#define IRQ_GPIO2 51
#define IRQ_GPIO3 52
struct gpio_irq_def
{
void *irq_arg[32];

84
bsp/raspberry-pi/raspi3-64/driver/drv_timer.c
View File

@ -8,58 +8,60 @@
* 2019-07-29 zdzn first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include "bcm283x.h"
#include "drv_timer.h"
#include <drivers/hwtimer.h>
#include "cp15.h"
#include "interrupt.h"
#include "raspi.h"
static void rt_systimer_init(rt_hwtimer_t *hwtimer, rt_uint32_t state)
#ifdef BSP_USING_SYSTIMER
static void raspi_systimer_init(rt_hwtimer_t *hwtimer, rt_uint32_t state)
{
if (state == 0)
hwtimer->ops->stop(hwtimer);
}
static rt_err_t rt_systimer_start(rt_hwtimer_t *hwtimer, rt_uint32_t cnt, rt_hwtimer_mode_t mode)
static rt_err_t raspi_systimer_start(rt_hwtimer_t *hwtimer, rt_uint32_t cnt, rt_hwtimer_mode_t mode)
{
rt_err_t result = RT_EOK;
rt_systimer_t *timer = (rt_systimer_t *)hwtimer->parent.user_data;
int timer_id = timer->timer_id;
if (mode == HWTIMER_MODE_PERIOD)
timer->cnt = cnt;
else
timer->cnt = 0;
__DSB();
__sync_synchronize();
if (timer_id == 1)
{
rt_hw_interrupt_umask(IRQ_SYSTIMER_MATCH_1);
rt_hw_interrupt_umask(IRQ_SYSTEM_TIMER_1);
STIMER_C1 = STIMER_CLO + cnt;
}
else if (timer_id == 3)
{
rt_hw_interrupt_umask(IRQ_SYSTIMER_MATCH_3);
rt_hw_interrupt_umask(IRQ_SYSTEM_TIMER_3);
STIMER_C3 = STIMER_CLO + cnt;
}
else
result = -RT_ERROR;
__DSB();
__sync_synchronize();
return result;
}
static void rt_systimer_stop(rt_hwtimer_t *hwtimer)
static void raspi_systimer_stop(rt_hwtimer_t *hwtimer)
{
rt_systimer_t *timer = (rt_systimer_t *)hwtimer->parent.user_data;
int timer_id = timer->timer_id;
if (timer_id == 1)
rt_hw_interrupt_mask(IRQ_SYSTIMER_MATCH_1);
rt_hw_interrupt_mask(IRQ_SYSTEM_TIMER_1);
else if (timer_id == 3)
rt_hw_interrupt_mask(IRQ_SYSTIMER_MATCH_3);
rt_hw_interrupt_mask(IRQ_SYSTEM_TIMER_3);
}
static rt_err_t rt_systimer_ctrl(rt_hwtimer_t *timer, rt_uint32_t cmd, void *arg)
static rt_err_t raspi_systimer_ctrl(rt_hwtimer_t *timer, rt_uint32_t cmd, void *arg)
{
/* The frequency value is an immutable value. */
if (cmd == HWTIMER_CTRL_FREQ_SET)
@ -72,23 +74,17 @@ static rt_err_t rt_systimer_ctrl(rt_hwtimer_t *timer, rt_uint32_t cmd, void *arg
}
}
const static struct rt_hwtimer_ops systimer_ops =
{
rt_systimer_init,
rt_systimer_start,
rt_systimer_stop,
RT_NULL,
rt_systimer_ctrl
};
void rt_device_systimer_isr(int vector, void *param)
{
rt_hwtimer_t *hwtimer = (rt_hwtimer_t *) param;
rt_systimer_t *timer = (rt_systimer_t *)hwtimer->parent.user_data;
RT_ASSERT(timer != RT_NULL);
int timer_id = timer->timer_id;
__DSB();
__sync_synchronize();
if (timer_id == 1)
{
STIMER_CS = 0x2;
@ -99,15 +95,29 @@ void rt_device_systimer_isr(int vector, void *param)
STIMER_CS = 0x8;
STIMER_C3 = STIMER_CLO + timer->cnt;
}
__DSB();
__sync_synchronize();
rt_device_hwtimer_isr(hwtimer);
}
#ifdef RT_USING_SYSTIMER1
static struct rt_hwtimer_device _hwtimer1;
static rt_systimer_t _systimer1;
#endif
#ifdef RT_USING_SYSTIMER3
static struct rt_hwtimer_device _hwtimer3;
static struct rt_systimer_device _systimer1;
static struct rt_systimer_device _systimer3;
static rt_systimer_t _systimer3;
#endif
const static struct rt_hwtimer_ops systimer_ops =
{
raspi_systimer_init,
raspi_systimer_start,
raspi_systimer_stop,
RT_NULL,
raspi_systimer_ctrl
};
static const struct rt_hwtimer_info _info =
{
@ -117,15 +127,20 @@ static const struct rt_hwtimer_info _info =
HWTIMER_CNTMODE_UP /* count mode (inc/dec) */
};
#endif
int rt_hw_systimer_init(void)
{
#ifdef BSP_USING_SYSTIMER
#ifdef RT_USING_SYSTIMER1
_systimer1.timer_id =1;
_hwtimer1.ops = &systimer_ops;
_hwtimer1.info = &_info;
rt_device_hwtimer_register(&_hwtimer1, "timer1",&_systimer1);
rt_hw_interrupt_install(IRQ_SYSTIMER_MATCH_1, rt_device_systimer_isr, &_hwtimer1, "systimer1");
rt_hw_interrupt_umask(IRQ_SYSTIMER_MATCH_1);
rt_hw_interrupt_install(IRQ_SYSTEM_TIMER_1, rt_device_systimer_isr, &_hwtimer1, "systimer1");
rt_hw_interrupt_umask(IRQ_SYSTEM_TIMER_1);
#endif
#ifdef RT_USING_SYSTIMER3
@ -133,9 +148,12 @@ int rt_hw_systimer_init(void)
_hwtimer3.ops = &systimer_ops;
_hwtimer3.info = &_info;
rt_device_hwtimer_register(&_hwtimer3, "timer3",&_systimer3);
rt_hw_interrupt_install(IRQ_SYSTIMER_MATCH_3, rt_device_systimer_isr, &_hwtimer3, "systimer3");
rt_hw_interrupt_install(IRQ_SYSTEM_TIMER_3, rt_device_systimer_isr, &_hwtimer3, "systimer3");
rt_hw_interrupt_umask(IRQ_SYSTEM_TIMER_3);
#endif
#endif
return 0;
}
INIT_DEVICE_EXPORT(rt_hw_systimer_init);

24
bsp/raspberry-pi/raspi3-64/driver/drv_uart.c
View File

@ -12,11 +12,10 @@
#include <rtthread.h>
#include <rtdevice.h>
#include "raspi.h"
#include "board.h"
#include "drv_uart.h"
#include <rtdevice.h>
#define AUX_BASE (0x3F000000 + 0x215000)
struct hw_uart_device
@ -34,20 +33,19 @@ static rt_err_t uart_configure(struct rt_serial_device *serial, struct serial_co
if (uart->hw_base == AUX_BASE)
{
rt_uint32_t value;
rt_uint32_t value;
/* GPIO function set */
value = GPIO_GPFSEL1;
value &= ~(7<<12); /* GPIO14 */
value |= 2<<12 ; /* ALT5 */
value &= ~(7<<15); /* GPIO15 */
value |= 2<<15 ; /* ALT5 */
GPIO_GPFSEL1 = value;
value = BCM283X_GPIO_GPFSEL(1);
value &= ~(7 << 12); /* GPIO14 */
value |= 2 << 12 ; /* ALT5 */
value &= ~(7 << 15); /* GPIO15 */
value |= 2 << 15 ; /* ALT5 */
BCM283X_GPIO_GPFSEL(1) = value;
/* PullUD disable */
GPIO_GPPUD = 0;
GPIO_GPPUDCLK0 = (1 << 14) | (1 << 15);
GPIO_GPPUDCLK0 = 0;
BCM283X_GPIO_GPPUD = 0;
BCM283X_GPIO_GPPUDCLK(0) = (1 << 14) | (1 << 15);
BCM283X_GPIO_GPPUDCLK(0) = 0;
AUX_ENABLES(uart->hw_base) = 1; /* Enable UART1 */
AUX_MU_IER_REG(uart->hw_base) = 0; /* Disable interrupt */

467
bsp/raspberry-pi/raspi3-64/driver/raspi.h
View File

@ -12,60 +12,160 @@
#ifndef __RASPI_H__
#define __RASPI_H__
#include "bcm283x.h"
#include <rthw.h>
#define PIN_MAGIC (0x5A)
#define PIN_NUM(_N) (sizeof(_N) / sizeof(_N[0]))
#define __REG32(x) (*((volatile unsigned int*)((rt_uint64_t)x)))
enum gpio_code
typedef enum
{
GPIO_CODE_PHY = 0,
GPIO_CODE_BCM,
GPIO_CODE_WIRING,
GPIO_CODE_NUM,
};
BCM_GPIO_PIN_0 = 0,
BCM_GPIO_PIN_1,
BCM_GPIO_PIN_2,
BCM_GPIO_PIN_3,
BCM_GPIO_PIN_4,
BCM_GPIO_PIN_5,
BCM_GPIO_PIN_6,
BCM_GPIO_PIN_7,
BCM_GPIO_PIN_8,
BCM_GPIO_PIN_9,
BCM_GPIO_PIN_10,
BCM_GPIO_PIN_11,
BCM_GPIO_PIN_12,
BCM_GPIO_PIN_13,
BCM_GPIO_PIN_14,
BCM_GPIO_PIN_15,
BCM_GPIO_PIN_16,
BCM_GPIO_PIN_17,
BCM_GPIO_PIN_18,
BCM_GPIO_PIN_19,
BCM_GPIO_PIN_20,
BCM_GPIO_PIN_21,
BCM_GPIO_PIN_22,
BCM_GPIO_PIN_23,
BCM_GPIO_PIN_24,
BCM_GPIO_PIN_25,
BCM_GPIO_PIN_26,
BCM_GPIO_PIN_27,
BCM_GPIO_PIN_28,
BCM_GPIO_PIN_29,
BCM_GPIO_PIN_30,
BCM_GPIO_PIN_31,
BCM_GPIO_PIN_32,
BCM_GPIO_PIN_33,
BCM_GPIO_PIN_34,
BCM_GPIO_PIN_35,
BCM_GPIO_PIN_36,
BCM_GPIO_PIN_37,
BCM_GPIO_PIN_38,
BCM_GPIO_PIN_39,
BCM_GPIO_PIN_40,
BCM_GPIO_PIN_41,
BCM_GPIO_PIN_42,
BCM_GPIO_PIN_43,
BCM_GPIO_PIN_44,
BCM_GPIO_PIN_45,
BCM_GPIO_PIN_46,
BCM_GPIO_PIN_47,
BCM_GPIO_PIN_48,
BCM_GPIO_PIN_49,
BCM_GPIO_PIN_50,
BCM_GPIO_PIN_51,
BCM_GPIO_PIN_52,
BCM_GPIO_PIN_53,
BCM_GPIO_PIN_NULL,
} bcm_gpio_pin;
enum rpi_pin_name
typedef enum
{
RPI_SDA0 = 0,
RPI_SCL0,
RPI_SDA1,
RPI_SCL1,
RPI_GPIO_GCLK,
RPI_CAM_CLK,
RPI_LAN_RUN,
RPI_SPI_CE1_N,
RPI_SPI_CE0_N,
RPI_SPI_MISO,
RPI_SPI_MOSI,
RPI_SPI_SCLK,
RPI_TXD0,
RPI_RXD0,
RPI_STATUS_LED_N,
RPI_GPIO_GEN0,
RPI_GPIO_GEN1,
RPI_CAM_GPIO,
RPI_GPIO_GEN3,
RPI_GPIO_GEN4,
RPI_GPIO_GEN5,
RPI_GPIO_GEN6,
RPI_GPIO_GEN2,
RPI_GPIO_GEN7,
RPI_GPIO_GEN8,
RPI_GPIO_GEN9,
RPI_GPIO_GEN10,
RPI_PWM0_OUT,
RPI_PWM1_OUT,
RPI_HDMI_HPD_P,
RPI_SD_CARD_DET,
RPI_SD_CLK_R,
RPI_SD_CMD_R,
RPI_SD_DATA0_R,
RPI_SD_DATA1_R,
RPI_SD_DATA2_R,
RPI_SD_DATA3_R,
RPI_GPIO_PIN_NUM,
};
BCM283X_GPIO_FSEL_INPT = 0x00, /*!< Input 0b000 */
BCM283X_GPIO_FSEL_OUTP = 0x01, /*!< Output 0b001 */
BCM283X_GPIO_FSEL_ALT0 = 0x04, /*!< Alternate function 0 0b100 */
BCM283X_GPIO_FSEL_ALT1 = 0x05, /*!< Alternate function 1 0b101 */
BCM283X_GPIO_FSEL_ALT2 = 0x06, /*!< Alternate function 2 0b110, */
BCM283X_GPIO_FSEL_ALT3 = 0x07, /*!< Alternate function 3 0b111 */
BCM283X_GPIO_FSEL_ALT4 = 0x03, /*!< Alternate function 4 0b011 */
BCM283X_GPIO_FSEL_ALT5 = 0x02, /*!< Alternate function 5 0b010 */
BCM283X_GPIO_FSEL_MASK = 0x07 /*!< Function select bits mask 0b111 */
} gpio_function_select;
typedef enum
{
BCM283X_GPIO_PUD_OFF = 0x00, /*!< Off ? disable pull-up/down 0b00 */
BCM283X_GPIO_PUD_DOWN = 0x01, /*!< Enable Pull Down control 0b01 */
BCM283X_GPIO_PUD_UP = 0x02 /*!< Enable Pull Up control 0b10 */
} gpio_pud_mode;
#define BCM283X_CORE_CLK_HZ 250000000 /* 50 MHz */
/* Base Address */
#define PER_BASE (0x3F000000)
#define PER_BASE_40000000 (0x40000000)
//#define BCM283X_PERI_BASE (0x3F000000)
//#define BCM283X_PER_BASE_40000000 (0x40000000)
/* Base Address Registers Offset */
#define ST_BASE_OFFSET (0x003000)
#define GPIO_PAD_OFFSET (0x100000)
#define CLOCK_BASE_OFFSET (0x101000)
#define GPIO_BASE_OFFSET (0x200000)
#define SPI0_BASE_OFFSET (0x204000)
#define BSC0_BASE_OFFSET (0x205000)
#define GPIO_PWM_OFFSET (0x20C000)
#define AUX_BASE_OFFSET (0x215000)
#define SPI1_BASE_OFFSET (0x215080)
#define SPI2_BASE_OFFSET (0x2150C0)
#define BSC1_BASE_OFFSET (0x804000)
#define BSC2_BASE_OFFSET (0x805000)
/* IRQ */
#define IRQ_SYSTEM_TIMER_0 0
#define IRQ_SYSTEM_TIMER_1 1
#define IRQ_SYSTEM_TIMER_2 2
#define IRQ_SYSTEM_TIMER_3 3
#define IRQ_USB 9
#define IRQ_AUX 29
#define IRQ_PCM 55
#define IRQ_ARM_TIMER 64
#define IRQ_ARM_MAILBOX 65
/* Interrupt Controler */
#define IRQ_BASE (PER_BASE + 0xB200)
#define IRQ_PEND_BASIC __REG32(IRQ_BASE + 0x0000)
#define IRQ_PEND1 __REG32(IRQ_BASE + 0x0004)
#define IRQ_PEND2 __REG32(IRQ_BASE + 0x0008)
#define IRQ_FIQ_CONTROL __REG32(IRQ_BASE + 0x000C)
#define IRQ_ENABLE1 __REG32(IRQ_BASE + 0x0010)
#define IRQ_ENABLE2 __REG32(IRQ_BASE + 0x0014)
#define IRQ_ENABLE_BASIC __REG32(IRQ_BASE + 0x0018)
#define IRQ_DISABLE1 __REG32(IRQ_BASE + 0x001C)
#define IRQ_DISABLE2 __REG32(IRQ_BASE + 0x0020)
#define IRQ_DISABLE_BASIC __REG32(IRQ_BASE + 0x0024)
/* Defines for WDT*/
#define PM_BASE (PER_BASE + GPIO_PAD_OFFSET)
#define PM_RSTC __REG32(PM_BASE + 0x001C)
#define PM_RSTS __REG32(PM_BASE + 0x0020)
#define PM_WDOG __REG32(PM_BASE + 0x0024)
#define PM_PASSWORD 0x5a000000
#define PM_WDOG_TIME_SET 0x000fffff
#define PM_RSTC_WRCFG_CLR 0xffffffcf
#define PM_RSTS_HADWRH_SET 0x00000040
#define PM_RSTC_WRCFG_SET 0x00000030
#define PM_RSTC_WRCFG_FULL_RESET 0x00000020
#define PM_RSTC_RESET 0x00000102
#define PM_RSTS_PARTITION_CLR 0xfffffaaa
/* Defines for System Timer */
#define STIMER_BASE (PER_BASE + ST_BASE_OFFSET)
#define STIMER_CS __REG32(STIMER_BASE + 0x0000)
#define STIMER_CLO __REG32(STIMER_BASE + 0x0004)
#define STIMER_CHI __REG32(STIMER_BASE + 0x0008)
#define STIMER_C0 __REG32(STIMER_BASE + 0x000C)
#define STIMER_C1 __REG32(STIMER_BASE + 0x0010)
#define STIMER_C2 __REG32(STIMER_BASE + 0x0014)
#define STIMER_C3 __REG32(STIMER_BASE + 0x0018)
#define DELAY_MICROS(micros) \
do{ \
@ -73,4 +173,273 @@ enum rpi_pin_name
while (STIMER_CLO < compare); \
} while (0) \
/* Defines for GPIO */
#define BCM283X_GPIO_BASE (PER_BASE + GPIO_BASE_OFFSET)
#define BCM283X_GPIO_GPFSEL(n) __REG32(BCM283X_GPIO_BASE + 0x0000 + 0x4 * n) /* GPIO Function Select 32bit R/W */
#define BCM283X_GPIO_GPSET(n) __REG32(BCM283X_GPIO_BASE + 0x001C + 0x4 * n) /* GPIO Pin Output Set */
#define BCM283X_GPIO_GPCLR(n) __REG32(BCM283X_GPIO_BASE + 0x0028 + 0x4 * n) /* GPIO Pin Output Clear */
#define BCM2835_GPIO_GPLEV(n) __REG32(BCM283X_GPIO_BASE + 0x0034 + 0x4 * n) /* GPIO Pin Level */
#define BCM283X_GPIO_GPEDS(n) __REG32(BCM283X_GPIO_BASE + 0x0040 + 0x4 * n) /* GPIO Pin Event Detect Status */
#define BCM283X_GPIO_GPREN(n) __REG32(BCM283X_GPIO_BASE + 0x004c + 0x4 * n) /* GPIO Pin Rising Edge Detect Enable */
#define BCM283X_GPIO_GPFEN(n) __REG32(BCM283X_GPIO_BASE + 0x0058 + 0x4 * n) /* GPIO Pin Falling Edge Detect Enable */
#define BCM283X_GPIO_GPHEN(n) __REG32(BCM283X_GPIO_BASE + 0x0064 + 0x4 * n) /* GPIO Pin High Detect Enable */
#define BCM283X_GPIO_GPLEN(n) __REG32(BCM283X_GPIO_BASE + 0x0070 + 0x4 * n) /* GPIO Pin Low Detect Enable */
#define BCM283X_GPIO_GPAREN(n) __REG32(BCM283X_GPIO_BASE + 0x007C + 0x4 * n) /* GPIO Pin Async. Rising Edge Detect */
#define BCM283X_GPIO_GPAFEN(n) __REG32(BCM283X_GPIO_BASE + 0x0088 + 0x4 * n) /* GPIO Pin Async. Falling Edge Detect */
#define BCM283X_GPIO_GPPUD __REG32(BCM283X_GPIO_BASE + 0x0094) /* GPIO Pin Pull-up/down Enable */
#define BCM283X_GPIO_GPPUDCLK(n) __REG32(BCM283X_GPIO_BASE + 0x0098 + 0x4 * n) /* GPIO Pin Pull-up/down Enable Clock */
#define GPIO_FSEL_NUM(pin) (pin/10)
#define GPIO_FSEL_SHIFT(pin) ((pin%10)*3)
#define GPIO_FSEL(pin, mode) \
do{ \
__sync_synchronize(); \
BCM283X_GPIO_GPFSEL(GPIO_FSEL_NUM(pin)) |= ((mode & BCM283X_GPIO_FSEL_MASK) << GPIO_FSEL_SHIFT(pin)); \
} while (0) \
/* Defines for I2C */
#define BCM283X_BSC0_BASE (PER_BASE + BSC0_BASE_OFFSET) //for i2c0
#define BCM283X_BSC1_BASE (PER_BASE + BSC1_BASE_OFFSET) //for i2c1
#define BCM283X_BSC2_BASE (PER_BASE + BSC2_BASE_OFFSET) //for hdmi i2c not use
#define BCM283X_BSC_C(BASE) __REG32(BASE + 0x0000) /* BSC Master Control */
#define BCM283X_BSC_S(BASE) __REG32(BASE + 0x0004) /* BSC Master Status */
#define BCM283X_BSC_DLEN(BASE) __REG32(BASE + 0x0008) /* BSC Master Data Length */
#define BCM283X_BSC_A(BASE) __REG32(BASE + 0x000c) /* BSC Master Slave Address */
#define BCM283X_BSC_FIFO(BASE) __REG32(BASE + 0x0010) /* BSC Master Data FIFO */
#define BCM283X_BSC_DIV(BASE) __REG32(BASE + 0x0014) /* BSC Master Clock Divider */
#define BCM283X_BSC_DEL(BASE) __REG32(BASE + 0x0018) /* BSC Master Data Delay */
#define BCM283X_BSC_CLKT(BASE) __REG32(BASE + 0x001c) /* BSC Master Clock Stretch Timeout */
/* Register masks for C Register */
#define BSC_C_I2CEN 0x00008000 /* I2C Enable, 0 = disabled, 1 = enabled */
#define BSC_C_INTR 0x00000400 /* Interrupt on RX */
#define BSC_C_INTT 0x00000200 /* Interrupt on TX */
#define BSC_C_INTD 0x00000100 /* Interrupt on DONE */
#define BSC_C_ST 0x00000080 /* Start transfer, 1 = Start a new transfer */
#define BSC_C_CLEAR_1 0x00000020 /* Clear FIFO Clear */
#define BSC_C_CLEAR_2 0x00000010 /* Clear FIFO Clear */
#define BSC_C_READ 0x00000001 /* Read transfer */
/* Register masks for S Register */
#define BSC_S_CLKT 0x00000200 /* Clock stretch timeout */
#define BSC_S_ERR 0x00000100 /* ACK error */
#define BSC_S_RXF 0x00000080 /* RXF FIFO full, 0 = FIFO is not full, 1 = FIFO is full */
#define BSC_S_TXE 0x00000040 /* TXE FIFO full, 0 = FIFO is not full, 1 = FIFO is full */
#define BSC_S_RXD 0x00000020 /* RXD FIFO contains data */
#define BSC_S_TXD 0x00000010 /* TXD FIFO can accept data */
#define BSC_S_RXR 0x00000008 /* RXR FIFO needs reading (full) */
#define BSC_S_TXW 0x00000004 /* TXW FIFO needs writing (full) */
#define BSC_S_DONE 0x00000002 /* Transfer DONE */
#define BSC_S_TA 0x00000001 /* Transfer Active */
#define BSC_FIFO_SIZE (16) /* BSC FIFO size */
/* Defines for SPI */
#define BCM283X_SPI0_BASE (PER_BASE + SPI0_BASE_OFFSET)
#define BCM283X_SPI1_BASE (PER_BASE + SPI1_BASE_OFFSET)
#define BCM283X_SPI2_BASE (PER_BASE + SPI2_BASE_OFFSET)
#define BCM283X_SPI0_CS(BASE) __REG32(BASE + 0x0000) /* SPI Master Control and Status */
#define BCM283X_SPI0_FIFO(BASE) __REG32(BASE + 0x0004) /* SPI Master TX and RX FIFOs */
#define BCM283X_SPI0_CLK(BASE) __REG32(BASE + 0x0008) /* SPI Master Clock Divider */
#define BCM283X_SPI0_DLEN(BASE) __REG32(BASE + 0x000c) /* SPI Master Data Length */
#define BCM283X_SPI0_LTOH(BASE) __REG32(BASE + 0x0010) /* SPI LOSSI mode TOH */
#define BCM283X_SPI0_DC(BASE) __REG32(BASE + 0x0014) /* SPI DMA DREQ Controls */
/* Register masks for SPI0_CS */
#define BCM283X_SPI0_CS_LEN_LONG 0x02000000 /* Enable Long data word in Lossi mode if DMA_LEN is set */
#define BCM283X_SPI0_CS_DMA_LEN 0x01000000 /* Enable DMA mode in Lossi mode */
#define BCM283X_SPI0_CS_CSPOL2 0x00800000 /* Chip Select 2 Polarity */
#define BCM283X_SPI0_CS_CSPOL1 0x00400000 /* Chip Select 1 Polarity */
#define BCM283X_SPI0_CS_CSPOL0 0x00200000 /* Chip Select 0 Polarity */
#define BCM283X_SPI0_CS_RXF 0x00100000 /* RXF - RX FIFO Full */
#define BCM283X_SPI0_CS_RXR 0x00080000 /* RXR RX FIFO needs Reading (full) */
#define BCM283X_SPI0_CS_TXD 0x00040000 /* TXD TX FIFO can accept Data */
#define BCM283X_SPI0_CS_RXD 0x00020000 /* RXD RX FIFO contains Data */
#define BCM283X_SPI0_CS_DONE 0x00010000 /* Done transfer Done */
#define BCM283X_SPI0_CS_TE_EN 0x00008000 /* Unused */
#define BCM283X_SPI0_CS_LMONO 0x00004000 /* Unused */
#define BCM283X_SPI0_CS_LEN 0x00002000 /* LEN LoSSI enable */
#define BCM283X_SPI0_CS_REN 0x00001000 /* REN Read Enable */
#define BCM283X_SPI0_CS_ADCS 0x00000800 /* ADCS Automatically Deassert Chip Select */
#define BCM283X_SPI0_CS_INTR 0x00000400 /* INTR Interrupt on RXR */
#define BCM283X_SPI0_CS_INTD 0x00000200 /* INTD Interrupt on Done */
#define BCM283X_SPI0_CS_DMAEN 0x00000100 /* DMAEN DMA Enable */
#define BCM283X_SPI0_CS_TA 0x00000080 /* Transfer Active */
#define BCM283X_SPI0_CS_CSPOL 0x00000040 /* Chip Select Polarity */
#define BCM283X_SPI0_CS_CLEAR 0x00000030 /* Clear FIFO Clear RX and TX */
#define BCM283X_SPI0_CS_CLEAR_RX 0x00000020 /* Clear FIFO Clear RX */
#define BCM283X_SPI0_CS_CLEAR_TX 0x00000010 /* Clear FIFO Clear TX */
#define BCM283X_SPI0_CS_CPOL 0x00000008 /* Clock Polarity */
#define BCM283X_SPI0_CS_CPHA 0x00000004 /* Clock Phase */
#define BCM283X_SPI0_CS_CS 0x00000003 /* Chip Select */
/* ARM Timer */
#define ARM_TIMER_BASE (PER_BASE + 0xB000)
#define ARM_TIMER_LOAD __REG32(ARM_TIMER_BASE + 0x400)
#define ARM_TIMER_VALUE __REG32(ARM_TIMER_BASE + 0x404)
#define ARM_TIMER_CTRL __REG32(ARM_TIMER_BASE + 0x408)
#define ARM_TIMER_IRQCLR __REG32(ARM_TIMER_BASE + 0x40C)
#define ARM_TIMER_RAWIRQ __REG32(ARM_TIMER_BASE + 0x410)
#define ARM_TIMER_MASKIRQ __REG32(ARM_TIMER_BASE + 0x414)
#define ARM_TIMER_RELOAD __REG32(ARM_TIMER_BASE + 0x418)
#define ARM_TIMER_PREDIV __REG32(ARM_TIMER_BASE + 0x41C)
#define ARM_TIMER_CNTR __REG32(ARM_TIMER_BASE + 0x420)
/* ARM Core Timer */
#define C0TIMER_INTCTL __REG32(PER_BASE_40000000 + 0x40) /* Core0 timers Interrupt control */
#define C1TIMER_INTCTL __REG32(PER_BASE_40000000 + 0x44) /* Core1 timers Interrupt control */
#define C2TIMER_INTCTL __REG32(PER_BASE_40000000 + 0x48) /* Core2 timers Interrupt control */
#define C3TIMER_INTCTL __REG32(PER_BASE_40000000 + 0x4C) /* Core3 timers Interrupt control */
#define CORETIMER_INTCTL(n) __REG32(PER_BASE_40000000 + 0x40 + n*4) /* Coren timers Interrupt control */
/*
* Gtimer IRQ flag
*/
#define SYSTEM_TIMER_IRQ_0 (1 << 0)
#define SYSTEM_TIMER_IRQ_1 (1 << 1)
#define SYSTEM_TIMER_IRQ_2 (1 << 2)
#define SYSTEM_TIMER_IRQ_3 (1 << 3)
#define NON_SECURE_TIMER_IRQ (1 << 1)
/* ARM Core Mailbox interrupt */
#define C0MB_INTCTL __REG32(PER_BASE_40000000 + 0x50) /* Core0 Mailboxes Interrupt control */
#define C1MB_INTCTL __REG32(PER_BASE_40000000 + 0x54) /* Core1 Mailboxes Interrupt control */
#define C2MB_INTCTL __REG32(PER_BASE_40000000 + 0x58) /* Core2 Mailboxes Interrupt control */
#define C3MB_INTCTL __REG32(PER_BASE_40000000 + 0x5C) /* Core3 Mailboxes Interrupt control */
#define COREMB_INTCTL(n) __REG32(PER_BASE_40000000 + 0x50 + 4*n) /* Coren Mailboxes Interrupt control */
/* ARM Core IRQ/FIQ status */
#define C0_IRQSOURCE __REG32(PER_BASE_40000000 + 0x60) /* Core0 IRQ Source */
#define C1_IRQSOURCE __REG32(PER_BASE_40000000 + 0x64) /* Core1 IRQ Source */
#define C2_IRQSOURCE __REG32(PER_BASE_40000000 + 0x68) /* Core2 IRQ Source */
#define C3_IRQSOURCE __REG32(PER_BASE_40000000 + 0x6C) /* Core3 IRQ Source */
#define C0_FIQSOURCE __REG32(PER_BASE_40000000 + 0x70) /* Core0 FIQ Source */
#define C1_FIQSOURCE __REG32(PER_BASE_40000000 + 0x74) /* Core1 FIQ Source */
#define C2_FIQSOURCE __REG32(PER_BASE_40000000 + 0x78) /* Core2 FIQ Source */
#define C3_FIQSOURCE __REG32(PER_BASE_40000000 + 0x7C) /* Core3 FIQ Source */
#define CORE_IRQSOURCE(n) __REG32(PER_BASE_40000000 + 0x60+ n*0x4)
#define CORE_FIQSOURCE(n) __REG32(PER_BASE_40000000 + 0x70+ n*0x4)
#define CORE_MAILBOX3_SET(n) __REG32(PER_BASE_40000000 + 0x8C + n*0x10)
#define CORE_MAILBOX3_CLEAR(n) __REG32(PER_BASE_40000000 + 0xCC + n*0x10)
#define CORE_MAILBOX2_SET(n) __REG32(PER_BASE_40000000 + 0x88 + n*0x10)
#define CORE_MAILBOX2_CLEAR(n) __REG32(PER_BASE_40000000 + 0xC8 + n*0x10)
#define CORE_MAILBOX1_SET(n) __REG32(PER_BASE_40000000 + 0x84 + n*0x10)
#define CORE_MAILBOX1_CLEAR(n) __REG32(PER_BASE_40000000 + 0xC4 + n*0x10)
#define CORE_MAILBOX0_SET(n) __REG32(PER_BASE_40000000 + 0x80 + n*0x10)
#define CORE_MAILBOX0_CLEAR(n) __REG32(PER_BASE_40000000 + 0xC0 + n*0x10)
/* For SMP IPI use MailBox0 */
#define IPI_MAILBOX_SET CORE_MAILBOX0_SET
#define IPI_MAILBOX_CLEAR CORE_MAILBOX0_CLEAR
#define IPI_MAILBOX_INT_MASK (0x01)
enum spi_bit_order
{
BCM283X_SPI_BIT_ORDER_LSBFIRST = 0, /*!< LSB First */
BCM283X_SPI_BIT_ORDER_MSBFIRST = 1 /*!< MSB First */
};
enum spi_mode
{
BCM283X_SPI_MODE0 = 0, /*!< CPOL = 0, CPHA = 0 */
BCM283X_SPI_MODE1 = 1, /*!< CPOL = 0, CPHA = 1 */
BCM283X_SPI_MODE2 = 2, /*!< CPOL = 1, CPHA = 0 */
BCM283X_SPI_MODE3 = 3 /*!< CPOL = 1, CPHA = 1 */
};
enum spi_chip_select
{
BCM283X_SPI_CS0 = 0, /*!< Chip Select 0 */
BCM283X_SPI_CS1 = 1, /*!< Chip Select 1 */
BCM283X_SPI_CS2 = 2, /*!< Chip Select 2 (ie pins CS1 and CS2 are asserted) */
BCM283X_SPI_CS_NONE = 3 /*!< No CS, control it yourself */
};
enum spi_clock_divider
{
BCM283X_SPI_CLOCK_DIVIDER_65536 = 0, /*!< 65536 = 3.814697260kHz on Rpi2, 6.1035156kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_32768 = 32768, /*!< 32768 = 7.629394531kHz on Rpi2, 12.20703125kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_16384 = 16384, /*!< 16384 = 15.25878906kHz on Rpi2, 24.4140625kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_8192 = 8192, /*!< 8192 = 30.51757813kHz on Rpi2, 48.828125kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_4096 = 4096, /*!< 4096 = 61.03515625kHz on Rpi2, 97.65625kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_2048 = 2048, /*!< 2048 = 122.0703125kHz on Rpi2, 195.3125kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_1024 = 1024, /*!< 1024 = 244.140625kHz on Rpi2, 390.625kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_512 = 512, /*!< 512 = 488.28125kHz on Rpi2, 781.25kHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_256 = 256, /*!< 256 = 976.5625kHz on Rpi2, 1.5625MHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_128 = 128, /*!< 128 = 1.953125MHz on Rpi2, 3.125MHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_64 = 64, /*!< 64 = 3.90625MHz on Rpi2, 6.250MHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_32 = 32, /*!< 32 = 7.8125MHz on Rpi2, 12.5MHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_16 = 16, /*!< 16 = 15.625MHz on Rpi2, 25MHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_8 = 8, /*!< 8 = 31.25MHz on Rpi2, 50MHz on RPI3 */
BCM283X_SPI_CLOCK_DIVIDER_4 = 4, /*!< 4 = 62.5MHz on Rpi2, 100MHz on RPI3. Dont expect this speed to work reliably. */
BCM283X_SPI_CLOCK_DIVIDER_2 = 2, /*!< 2 = 125MHz on Rpi2, 200MHz on RPI3, fastest you can get. Dont expect this speed to work reliably.*/
BCM283X_SPI_CLOCK_DIVIDER_1 = 1 /*!< 1 = 3.814697260kHz on Rpi2, 6.1035156kHz on RPI3, same as 0/65536 */
};
/*redefine for raspi*/
typedef gpio_function_select raspi_pin_select;
typedef enum
{
RPI_GPIO_P1_01 = BCM_GPIO_PIN_NULL,
RPI_GPIO_P1_02 = BCM_GPIO_PIN_NULL,
RPI_GPIO_P1_03 = BCM_GPIO_PIN_2,
RPI_GPIO_P1_04 = BCM_GPIO_PIN_NULL,
RPI_GPIO_P1_05 = BCM_GPIO_PIN_3,
RPI_GPIO_P1_06 = BCM_GPIO_PIN_NULL,
RPI_GPIO_P1_07 = BCM_GPIO_PIN_4,
RPI_GPIO_P1_08 = BCM_GPIO_PIN_14,
RPI_GPIO_P1_09 = BCM_GPIO_PIN_NULL,
RPI_GPIO_P1_10 = BCM_GPIO_PIN_15,
RPI_GPIO_P1_11 = BCM_GPIO_PIN_17,
RPI_GPIO_P1_12 = BCM_GPIO_PIN_18,
RPI_GPIO_P1_13 = BCM_GPIO_PIN_27,
RPI_GPIO_P1_14 = BCM_GPIO_PIN_NULL,
RPI_GPIO_P1_15 = BCM_GPIO_PIN_22,
RPI_GPIO_P1_16 = BCM_GPIO_PIN_23,
RPI_GPIO_P1_17 = BCM_GPIO_PIN_NULL,
RPI_GPIO_P1_18 = BCM_GPIO_PIN_24,
RPI_GPIO_P1_19 = BCM_GPIO_PIN_10,
RPI_GPIO_P1_20 = BCM_GPIO_PIN_NULL,
RPI_GPIO_P1_21 = BCM_GPIO_PIN_9,
RPI_GPIO_P1_22 = BCM_GPIO_PIN_25,
RPI_GPIO_P1_23 = BCM_GPIO_PIN_11,
RPI_GPIO_P1_24 = BCM_GPIO_PIN_8,
RPI_GPIO_P1_25 = BCM_GPIO_PIN_NULL,
RPI_GPIO_P1_26 = BCM_GPIO_PIN_7,
RPI_GPIO_P1_27 = BCM_GPIO_PIN_0,
RPI_GPIO_P1_28 = BCM_GPIO_PIN_1,
RPI_GPIO_P1_29 = BCM_GPIO_PIN_5,
RPI_GPIO_P1_30 = BCM_GPIO_PIN_NULL,
RPI_GPIO_P1_31 = BCM_GPIO_PIN_6,
RPI_GPIO_P1_32 = BCM_GPIO_PIN_12,
RPI_GPIO_P1_33 = BCM_GPIO_PIN_13,
RPI_GPIO_P1_34 = BCM_GPIO_PIN_NULL,
RPI_GPIO_P1_35 = BCM_GPIO_PIN_19,
RPI_GPIO_P1_36 = BCM_GPIO_PIN_16,
RPI_GPIO_P1_37 = BCM_GPIO_PIN_26,
RPI_GPIO_P1_38 = BCM_GPIO_PIN_20,
RPI_GPIO_P1_39 = BCM_GPIO_PIN_NULL,
RPI_GPIO_P1_40 = BCM_GPIO_PIN_21,
} raspi_gpio_pin;
typedef enum
{
BCM283X_I2C_CLOCK_DIVIDER_2500 = 2500, /* 2500 = 10us = 100 kHz */
BCM283X_I2C_CLOCK_DIVIDER_626 = 626, /* 622 = 2.504us = 399.3610 kHz */
BCM283X_I2C_CLOCK_DIVIDER_150 = 150, /* 150 = 60ns = 1.666 MHz (default at reset) */
BCM283X_I2C_CLOCK_DIVIDER_148 = 148 /* 148 = 59ns = 1.689 MHz */
} i2c_clock_divider;
typedef enum
{
BCM283X_I2C_REASON_OK = 0x00, /* Success */
BCM283X_I2C_REASON_ERROR_NACK = 0x01, /* Received a NACK */
BCM283X_I2C_REASON_ERROR_CLKT = 0x02, /* Received Clock Stretch Timeout */
BCM283X_I2C_REASON_ERROR_DATA = 0x04 /* Not all data is sent / received */
} i2c_reason_codes;
#endif

3
bsp/raspberry-pi/raspi3-64/rtconfig.h
View File

@ -101,6 +101,7 @@
#define RT_PIPE_BUFSZ 512
#define RT_USING_SERIAL
#define RT_SERIAL_RB_BUFSZ 64
#define RT_USING_HWTIMER
#define RT_USING_PIN
#define RT_USING_SDIO
#define RT_SDIO_STACK_SIZE 2048
@ -193,6 +194,8 @@
#define RT_USING_UART1
#define BSP_USING_PIN
#define BSP_USING_CORETIMER
#define BSP_USING_SYSTIMER
#define RT_USING_SYSTIMER1
#define BSP_USING_SDIO
#define BSP_USING_SDIO0

1
libcpu/aarch64/cortex-a53/cp15.h
View File

@ -11,7 +11,6 @@
#ifndef __CP15_H__
#define __CP15_H__
#include "bcm283x.h"
#ifndef __STATIC_FORCEINLINE
#define __STATIC_FORCEINLINE __attribute__((always_inline)) static inline
#endif

4
libcpu/aarch64/cortex-a53/interrupt.c
View File

@ -12,12 +12,12 @@
*/
#include <rthw.h>
#include <board.h>
#include <rtthread.h>
#include "cp15.h"
#include "armv8.h"
#include <board.h>
#include "interrupt.h"
#define MAX_HANDLERS 72

2
libcpu/aarch64/cortex-a53/interrupt.h
View File

@ -14,6 +14,8 @@
#include <rthw.h>
#include <board.h>
#include "raspi.h"
#define INT_IRQ 0x00
#define INT_FIQ 0x01