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- SPI is now supported on ls2k1000 platform.

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- Multi-Port & Adjustable Buadrate of UART controller feature added.
This commit is contained in:
0xcccccccccccc
2020-11-30 14:57:21 +08:00
parent 11132bcb64
commit 0fc2b13b45
4 changed files with 373 additions and 9 deletions
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bsp/ls2kdev/drivers/board.c
+1 -1
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@@ -90,7 +90,7 @@ void rt_hw_board_init(void)
/* init hardware UART device */
rt_hw_uart_init();
/* set console device */
rt_console_set_device("uart");
rt_console_set_device("uart0");
#endif
#ifdef RT_USING_HEAP
bsp/ls2kdev/drivers/drv_spi.c
+269
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File diff suppressed because it is too large Load Diff
bsp/ls2kdev/drivers/drv_spi.h
+43
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@@ -0,0 +1,43 @@
#ifndef DRV_SPI_H
#define DRV_SPI_H
#include <rtthread.h>
#include <rthw.h>
#define RFEMPTY 1
#define KSEG1_STORE8(addr,val) *(volatile char *)(0xffffffffa0000000 | addr) = val
#define KSEG1_LOAD8(addr) *(volatile char *)(0xffffffffa0000000 | addr)
#define APB_MAX_SPEED 125000000U
#define APB_FREQSCALE (((KSEG1_LOAD8(0xffffffffbfe104d2)>>4)&0x7)+1)
#define SPI_BASE 0x1fff0220
#define PMON_ADDR 0xa1000000
#define FLASH_ADDR 0x000000
#define SPCR 0x0
#define SPSR 0x1
#define FIFO 0x2
#define TXFIFO 0x2
#define RXFIFO 0x2
#define SPER 0x3
#define PARAM 0x4
#define SOFTCS 0x5
#define PARAM2 0x6
#define SET_SPI(addr,val) KSEG1_STORE8(SPI_BASE+addr,val)
#define GET_SPI(addr) KSEG1_LOAD8(SPI_BASE+addr)
//void spi_init(uint8_t ,uint8_t,uint8_t);
//void spi_set_csn(uint8_t);
//uint8_t spi_write_for_response(uint8_t);
#endif
bsp/ls2kdev/drivers/drv_uart.c
+60 -8
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@@ -6,6 +6,7 @@
* Change Logs:
* Date Author Notes
* 2020-04-05 bigmagic Initial version
* 2020-10-28 ma Buadrate & Multi-Port support
*/
/**
@@ -21,22 +22,51 @@
#define TRUE 1
#define FALSE 0
const struct serial_configure config_uart0 = {
BAUD_RATE_115200, /* 921600 bits/s */
DATA_BITS_8, /* 8 databits */
STOP_BITS_1, /* 1 stopbit */
PARITY_NONE, /* No parity */
BIT_ORDER_LSB, /* LSB first sent */
NRZ_NORMAL, /* Normal mode */
RT_SERIAL_RB_BUFSZ, /* Buffer size */
0
};
struct rt_uart_ls2k
{
void *base;
rt_uint32_t IRQ;
};
static rt_err_t ls2k_uart_set_buad(struct rt_serial_device *serial,struct serial_configure *cfg)
{
struct rt_uart_ls2k *uart_dev = RT_NULL;
rt_err_t ret=RT_EOK;
RT_ASSERT(serial != RT_NULL);
RT_ASSERT(cfg != RT_NULL);
uart_dev = (struct rt_uart_ls2k *)serial->parent.user_data;
uint64_t brtc = (125000000U) / (16*(cfg->baud_rate));
UART_LCR(uart_dev->base)=0x80; // Activate buadcfg
UART_LSB(uart_dev->base)= brtc & 0xff;
UART_MSB(uart_dev->base)= brtc >> 8;
if(((((short)UART_MSB(uart_dev->base))<<8) | UART_LSB(uart_dev->base)) != brtc) ret=RT_ERROR;
UART_LCR(uart_dev->base)= CFCR_8BITS;// Back to normal
UART_MCR(uart_dev->base)= MCR_IENABLE/* | MCR_DTR | MCR_RTS*/;
UART_IER(uart_dev->base) = 0;
}
static rt_err_t ls2k_uart_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
{
struct rt_uart_ls2k *uart_dev = RT_NULL;
RT_ASSERT(serial != RT_NULL);
RT_ASSERT(cfg != RT_NULL);
ls2k_uart_set_buad(serial,cfg);
uart_dev = (struct rt_uart_ls2k *)serial->parent.user_data;
HWREG8(0xffffffffbfe10428)=0x1f;// Enable Multi-Port Support, by default it's 0x11 ,which means UART0 & UART4 Controller is in single port mode.
UART_IER(uart_dev->base) = 0; /* clear interrupt */
UART_FCR(uart_dev->base) = 0xc1; /* reset UART Rx/Tx */
/* set databits, stopbits and parity. (8-bit data, 1 stopbit, no parity) */
@@ -154,25 +184,47 @@ struct rt_uart_ls2k uart_dev0 =
(void *)UARTx_BASE(0),
LS2K_UART_0_1_2_3_IRQ,
};
struct rt_serial_device serial;
struct rt_uart_ls2k uart_dev4 =
{
(void *)UARTx_BASE(4),
LS2K_UART_4_5_6_7_IRQ ,
};
struct rt_serial_device serial,serial4;
void rt_hw_uart_init(void)
{
struct rt_uart_ls2k *uart;
//UART0_1_ENABLE=0xff;
struct rt_uart_ls2k *uart,*uart4;
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
uart = &uart_dev0;
uart4=&uart_dev4;
serial.ops = &ls2k_uart_ops;
serial.config = config;
serial.config = config_uart0;
rt_hw_interrupt_install(uart->IRQ, uart_irq_handler, &serial, "UART");
serial4.ops= &ls2k_uart_ops;
serial4.config=config;
rt_hw_interrupt_install(uart->IRQ, uart_irq_handler, &serial, "UART0");
rt_hw_interrupt_install(uart4->IRQ, uart_irq_handler, &serial4, "UART4");
/* register UART device */
rt_hw_serial_register(&serial,
"uart",
"uart0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
rt_hw_serial_register(&serial4,
"uart4",
RT_DEVICE_FLAG_RDWR| RT_DEVICE_FLAG_INT_RX,
&uart_dev4);
}
/*@}*/