diff options
| author | xph <[email protected]> | 2020-04-09 16:35:28 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2020-04-09 16:35:28 +0800 |
| commit | ca7f01d79b3e0a997c771cec298e4ebd65b75809 (patch) | |
| tree | 3d2c48aae7203b14038ba7b98b500b5343ed7f2a /bsp/ls1bdev/drivers | |
| parent | f763f8e7284b0492c5a65ad0abf94ee1963d7dcc (diff) | |
| parent | baa3145bfe61b3330b6a160523cc5470fa5db3a7 (diff) | |
Merge pull request #1 from RT-Thread/master
sync rtt
Diffstat (limited to 'bsp/ls1bdev/drivers')
| -rw-r--r-- | bsp/ls1bdev/drivers/board.c | 111 | ||||
| -rw-r--r-- | bsp/ls1bdev/drivers/uart.c | 344 | ||||
| -rw-r--r-- | bsp/ls1bdev/drivers/uart.h | 63 |
3 files changed, 248 insertions, 270 deletions
diff --git a/bsp/ls1bdev/drivers/board.c b/bsp/ls1bdev/drivers/board.c index 307d8d28b0..e25c6267d5 100644 --- a/bsp/ls1bdev/drivers/board.c +++ b/bsp/ls1bdev/drivers/board.c @@ -11,6 +11,7 @@ * Date Author Notes * 2010-06-25 Bernard first version * 2011-08-08 lgnq modified for Loongson LS1B + * 2019-12-04 Jiaxun Yang Adapt new MIPS generic code */ #include <rtthread.h> @@ -20,6 +21,14 @@ #include "uart.h" #include "ls1b.h" +#ifdef RT_USING_RTGUI +#include <rtgui/rtgui.h> +rt_device_t dc; +extern void rt_hw_dc_init(void); +#endif + +extern unsigned char __bss_end; + /** * @addtogroup Loongson LS1B */ @@ -27,85 +36,53 @@ /*@{*/ /** - * This is the timer interrupt service routine. - */ -void rt_hw_timer_handler(void) -{ - unsigned int count; - - count = read_c0_compare(); - write_c0_compare(count); - write_c0_count(0); - - /* increase a OS tick */ - rt_tick_increase(); -} - -/** - * This function will initial OS timer - */ -void rt_hw_timer_init(void) -{ - write_c0_compare(CPU_HZ/2/RT_TICK_PER_SECOND); - write_c0_count(0); -} - -/** * This function will initial sam7s64 board. */ void rt_hw_board_init(void) { -#ifdef RT_USING_UART - /* init hardware UART device */ - rt_hw_uart_init(); + /* init hardware interrupt */ + rt_hw_exception_init(); + + /* init hardware interrupt */ + rt_hw_interrupt_init(); + +#ifdef RT_USING_HEAP + rt_system_heap_init((void*)&__bss_end, (void*)RT_HW_HEAP_END); +#endif + +#ifdef RT_USING_SERIAL + /* init hardware UART device */ + rt_hw_uart_init(); #endif #ifdef RT_USING_CONSOLE - /* set console device */ - rt_console_set_device("uart0"); + /* set console device */ + rt_console_set_device(RT_CONSOLE_DEVICE_NAME); #endif + /* init operating system timer */ + rt_hw_timer_init(); - /* init operating system timer */ - rt_hw_timer_init(); +#ifdef RT_USING_FPU + /* init hardware fpu */ + rt_hw_fpu_init(); +#endif - rt_kprintf("current sr: 0x%08x\n", read_c0_status()); -} +#ifdef RT_USING_RTGUI + rt_device_t dc; -#define __raw_out_put(unr) \ - while (*ptr) \ - { \ - if (*ptr == '\n') \ - { \ - /* FIFO status, contain valid data */ \ - while (!(UART_LSR(UART##unr##_BASE) & (UARTLSR_TE | UARTLSR_TFE))); \ - /* write data */ \ - UART_DAT(UART##unr##_BASE) = '\r'; \ - } \ - /* FIFO status, contain valid data */ \ - while (!(UART_LSR(UART##unr##_BASE) & (UARTLSR_TE | UARTLSR_TFE))); \ - /* write data */ \ - UART_DAT(UART##unr##_BASE) = *ptr; \ - ptr ++; \ - } + /* init Display Controller */ + rt_hw_dc_init(); -/* UART line status register value */ -#define UARTLSR_ERROR (1 << 7) -#define UARTLSR_TE (1 << 6) -#define UARTLSR_TFE (1 << 5) -#define UARTLSR_BI (1 << 4) -#define UARTLSR_FE (1 << 3) -#define UARTLSR_PE (1 << 2) -#define UARTLSR_OE (1 << 1) -#define UARTLSR_DR (1 << 0) -void rt_hw_console_output(const char *ptr) -{ -#if defined(RT_USING_UART0) - __raw_out_put(0); -#elif defined(RT_USING_UART1) - __raw_out_put(1); -#elif defined(RT_USING_UART3) - __raw_out_put(3); + /* find Display Controller device */ + dc = rt_device_find("dc"); + + /* set Display Controller device as rtgui graphic driver */ + rtgui_graphic_set_device(dc); #endif -} +#ifdef RT_USING_COMPONENTS_INIT + rt_components_board_init(); +#endif + +} /*@}*/ diff --git a/bsp/ls1bdev/drivers/uart.c b/bsp/ls1bdev/drivers/uart.c index c4ddb581e6..e920d33057 100644 --- a/bsp/ls1bdev/drivers/uart.c +++ b/bsp/ls1bdev/drivers/uart.c @@ -23,257 +23,257 @@ /*@{*/ -#if defined(RT_USING_UART) && defined(RT_USING_DEVICE) +#if defined(RT_USING_DEVICE) struct rt_uart_ls1b { - struct rt_device parent; + struct rt_device parent; - rt_uint32_t hw_base; - rt_uint32_t irq; + rt_uint32_t hw_base; + rt_uint32_t irq; - /* buffer for reception */ - rt_uint8_t read_index, save_index; - rt_uint8_t rx_buffer[RT_UART_RX_BUFFER_SIZE]; + /* buffer for reception */ + rt_uint8_t read_index, save_index; + rt_uint8_t rx_buffer[RT_UART_RX_BUFFER_SIZE]; }uart_device; static void rt_uart_irqhandler(int irqno, void *param) { - rt_ubase_t level; - rt_uint8_t isr; - struct rt_uart_ls1b *uart = &uart_device; + rt_ubase_t level; + rt_uint8_t isr; + struct rt_uart_ls1b *uart = &uart_device; - /* read interrupt status and clear it */ - isr = UART_IIR(uart->hw_base); - isr = (isr >> 1) & 0x3; + /* read interrupt status and clear it */ + isr = UART_IIR(uart->hw_base); + isr = (isr >> 1) & 0x3; - /* receive data available */ - if (isr & 0x02) - { - /* Receive Data Available */ - while (UART_LSR(uart->hw_base) & UARTLSR_DR) - { - uart->rx_buffer[uart->save_index] = UART_DAT(uart->hw_base); + /* receive data available */ + if (isr & 0x02) + { + /* Receive Data Available */ + while (UART_LSR(uart->hw_base) & UARTLSR_DR) + { + uart->rx_buffer[uart->save_index] = UART_DAT(uart->hw_base); - level = rt_hw_interrupt_disable(); - uart->save_index ++; - if (uart->save_index >= RT_UART_RX_BUFFER_SIZE) - uart->save_index = 0; - rt_hw_interrupt_enable(level); - } + level = rt_hw_interrupt_disable(); + uart->save_index ++; + if (uart->save_index >= RT_UART_RX_BUFFER_SIZE) + uart->save_index = 0; + rt_hw_interrupt_enable(level); + } - /* invoke callback */ - if (uart->parent.rx_indicate != RT_NULL) - { - rt_size_t length; - if (uart->read_index > uart->save_index) - length = RT_UART_RX_BUFFER_SIZE - uart->read_index + uart->save_index; - else - length = uart->save_index - uart->read_index; + /* invoke callback */ + if (uart->parent.rx_indicate != RT_NULL) + { + rt_size_t length; + if (uart->read_index > uart->save_index) + length = RT_UART_RX_BUFFER_SIZE - uart->read_index + uart->save_index; + else + length = uart->save_index - uart->read_index; - uart->parent.rx_indicate(&uart->parent, length); - } - } + uart->parent.rx_indicate(&uart->parent, length); + } + } - return; + return; } static rt_err_t rt_uart_init(rt_device_t dev) { - rt_uint32_t baud_div; - struct rt_uart_ls1b *uart = (struct rt_uart_ls1b *)dev; + rt_uint32_t baud_div; + struct rt_uart_ls1b *uart = (struct rt_uart_ls1b *)dev; - RT_ASSERT(uart != RT_NULL); + RT_ASSERT(uart != RT_NULL); #if 0 - /* init UART Hardware */ - UART_IER(uart->hw_base) = 0; /* clear interrupt */ - UART_FCR(uart->hw_base) = 0x60; /* reset UART Rx/Tx */ + /* init UART Hardware */ + UART_IER(uart->hw_base) = 0; /* clear interrupt */ + UART_FCR(uart->hw_base) = 0x60; /* reset UART Rx/Tx */ - /* enable UART clock */ - /* set databits, stopbits and parity. (8-bit data, 1 stopbit, no parity) */ - UART_LCR(uart->hw_base) = 0x3; + /* enable UART clock */ + /* set databits, stopbits and parity. (8-bit data, 1 stopbit, no parity) */ + UART_LCR(uart->hw_base) = 0x3; - /* set baudrate */ - baud_div = DEV_CLK / 16 / UART_BAUDRATE; - UART_LCR(uart->hw_base) |= UARTLCR_DLAB; + /* set baudrate */ + baud_div = DEV_CLK / 16 / UART_BAUDRATE; + UART_LCR(uart->hw_base) |= UARTLCR_DLAB; - UART_MSB(uart->hw_base) = (baud_div >> 8) & 0xff; - UART_LSB(uart->hw_base) = baud_div & 0xff; + UART_MSB(uart->hw_base) = (baud_div >> 8) & 0xff; + UART_LSB(uart->hw_base) = baud_div & 0xff; - UART_LCR(uart->hw_base) &= ~UARTLCR_DLAB; + UART_LCR(uart->hw_base) &= ~UARTLCR_DLAB; - /* Enable UART unit, enable and clear FIFO */ - UART_FCR(uart->hw_base) = UARTFCR_UUE | UARTFCR_FE | UARTFCR_TFLS | UARTFCR_RFLS; + /* Enable UART unit, enable and clear FIFO */ + UART_FCR(uart->hw_base) = UARTFCR_UUE | UARTFCR_FE | UARTFCR_TFLS | UARTFCR_RFLS; #endif - return RT_EOK; + return RT_EOK; } static rt_err_t rt_uart_open(rt_device_t dev, rt_uint16_t oflag) { - struct rt_uart_ls1b *uart = (struct rt_uart_ls1b *)dev; + struct rt_uart_ls1b *uart = (struct rt_uart_ls1b *)dev; - RT_ASSERT(uart != RT_NULL); - if (dev->flag & RT_DEVICE_FLAG_INT_RX) - { - /* Enable the UART Interrupt */ - UART_IER(uart->hw_base) |= UARTIER_IRXE; + RT_ASSERT(uart != RT_NULL); + if (dev->flag & RT_DEVICE_FLAG_INT_RX) + { + /* Enable the UART Interrupt */ + UART_IER(uart->hw_base) |= UARTIER_IRXE; - /* install interrupt */ - rt_hw_interrupt_install(uart->irq, rt_uart_irqhandler, RT_NULL, "UART"); - rt_hw_interrupt_umask(uart->irq); - } - return RT_EOK; + /* install interrupt */ + rt_hw_interrupt_install(uart->irq, rt_uart_irqhandler, RT_NULL, "UART"); + rt_hw_interrupt_umask(uart->irq); + } + return RT_EOK; } static rt_err_t rt_uart_close(rt_device_t dev) { - struct rt_uart_ls1b *uart = (struct rt_uart_ls1b *)dev; + struct rt_uart_ls1b *uart = (struct rt_uart_ls1b *)dev; - RT_ASSERT(uart != RT_NULL); - if (dev->flag & RT_DEVICE_FLAG_INT_RX) - { - /* Disable the UART Interrupt */ - UART_IER(uart->hw_base) &= ~(UARTIER_IRXE); - } + RT_ASSERT(uart != RT_NULL); + if (dev->flag & RT_DEVICE_FLAG_INT_RX) + { + /* Disable the UART Interrupt */ + UART_IER(uart->hw_base) &= ~(UARTIER_IRXE); + } - return RT_EOK; + return RT_EOK; } static rt_size_t rt_uart_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size) { - rt_uint8_t *ptr; - struct rt_uart_ls1b *uart = (struct rt_uart_ls1b *)dev; + rt_uint8_t *ptr; + struct rt_uart_ls1b *uart = (struct rt_uart_ls1b *)dev; - RT_ASSERT(uart != RT_NULL); + RT_ASSERT(uart != RT_NULL); - /* point to buffer */ - ptr = (rt_uint8_t *)buffer; - if (dev->flag & RT_DEVICE_FLAG_INT_RX) - { - while (size) - { - /* interrupt receive */ - rt_base_t level; + /* point to buffer */ + ptr = (rt_uint8_t *)buffer; + if (dev->flag & RT_DEVICE_FLAG_INT_RX) + { + while (size) + { + /* interrupt receive */ + rt_base_t level; - /* disable interrupt */ - level = rt_hw_interrupt_disable(); - if (uart->read_index != uart->save_index) - { - *ptr = uart->rx_buffer[uart->read_index]; + /* disable interrupt */ + level = rt_hw_interrupt_disable(); + if (uart->read_index != uart->save_index) + { + *ptr = uart->rx_buffer[uart->read_index]; - uart->read_index ++; - if (uart->read_index >= RT_UART_RX_BUFFER_SIZE) - uart->read_index = 0; - } - else - { - /* no data in rx buffer */ + uart->read_index ++; + if (uart->read_index >= RT_UART_RX_BUFFER_SIZE) + uart->read_index = 0; + } + else + { + /* no data in rx buffer */ - /* enable interrupt */ - rt_hw_interrupt_enable(level); - break; - } + /* enable interrupt */ + rt_hw_interrupt_enable(level); + break; + } - /* enable interrupt */ - rt_hw_interrupt_enable(level); + /* enable interrupt */ + rt_hw_interrupt_enable(level); - ptr ++; - size --; - } + ptr ++; + size --; + } - return (rt_uint32_t)ptr - (rt_uint32_t)buffer; - } + return (rt_uint32_t)ptr - (rt_uint32_t)buffer; + } - return 0; + return 0; } static rt_size_t rt_uart_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size) { - char *ptr; - struct rt_uart_ls1b *uart = (struct rt_uart_ls1b *)dev; + char *ptr; + struct rt_uart_ls1b *uart = (struct rt_uart_ls1b *)dev; - RT_ASSERT(uart != RT_NULL); + RT_ASSERT(uart != RT_NULL); - ptr = (char *)buffer; + ptr = (char *)buffer; - if (dev->flag & RT_DEVICE_FLAG_STREAM) - { - /* stream mode */ - while (size) - { - if (*ptr == '\n') - { - /* FIFO status, contain valid data */ - while (!(UART_LSR(uart->hw_base) & (UARTLSR_TE | UARTLSR_TFE))); - /* write data */ - UART_DAT(uart->hw_base) = '\r'; - } + if (dev->flag & RT_DEVICE_FLAG_STREAM) + { + /* stream mode */ + while (size) + { + if (*ptr == '\n') + { + /* FIFO status, contain valid data */ + while (!(UART_LSR(uart->hw_base) & (UARTLSR_TE | UARTLSR_TFE))); + /* write data */ + UART_DAT(uart->hw_base) = '\r'; + } - /* FIFO status, contain valid data */ - while (!(UART_LSR(uart->hw_base) & (UARTLSR_TE | UARTLSR_TFE))); - /* write data */ - UART_DAT(uart->hw_base) = *ptr; + /* FIFO status, contain valid data */ + while (!(UART_LSR(uart->hw_base) & (UARTLSR_TE | UARTLSR_TFE))); + /* write data */ + UART_DAT(uart->hw_base) = *ptr; - ptr ++; - size --; - } - } - else - { - while (size != 0) - { - /* FIFO status, contain valid data */ - while (!(UART_LSR(uart->hw_base) & (UARTLSR_TE | UARTLSR_TFE))); + ptr ++; + size --; + } + } + else + { + while (size != 0) + { + /* FIFO status, contain valid data */ + while (!(UART_LSR(uart->hw_base) & (UARTLSR_TE | UARTLSR_TFE))); - /* write data */ - UART_DAT(uart->hw_base) = *ptr; + /* write data */ + UART_DAT(uart->hw_base) = *ptr; - ptr++; - size--; - } - } + ptr++; + size--; + } + } - return (rt_size_t)ptr - (rt_size_t)buffer; + return (rt_size_t)ptr - (rt_size_t)buffer; } void rt_hw_uart_init(void) { - struct rt_uart_ls1b *uart; + struct rt_uart_ls1b *uart; - /* get uart device */ - uart = &uart_device; + /* get uart device */ + uart = &uart_device; - /* device initialization */ - uart->parent.type = RT_Device_Class_Char; - rt_memset(uart->rx_buffer, 0, sizeof(uart->rx_buffer)); - uart->read_index = uart->save_index = 0; + /* device initialization */ + uart->parent.type = RT_Device_Class_Char; + rt_memset(uart->rx_buffer, 0, sizeof(uart->rx_buffer)); + uart->read_index = uart->save_index = 0; #if defined(RT_USING_UART0) - uart->hw_base = UART0_BASE; - uart->irq = LS1B_UART0_IRQ; + uart->hw_base = UART0_BASE; + uart->irq = LS1B_UART0_IRQ; #elif defined(RT_USING_UART1) - uart->hw_base = UART1_BASE; - uart->irq = LS1B_UART1_IRQ; + uart->hw_base = UART1_BASE; + uart->irq = LS1B_UART1_IRQ; #elif defined(RT_USING_UART3) - uart->hw_base = UART3_BASE; - uart->irq = LS1B_UART3_IRQ; + uart->hw_base = UART3_BASE; + uart->irq = LS1B_UART3_IRQ; #endif - /* device interface */ - uart->parent.init = rt_uart_init; - uart->parent.open = rt_uart_open; - uart->parent.close = rt_uart_close; - uart->parent.read = rt_uart_read; - uart->parent.write = rt_uart_write; - uart->parent.control = RT_NULL; - uart->parent.user_data = RT_NULL; + /* device interface */ + uart->parent.init = rt_uart_init; + uart->parent.open = rt_uart_open; + uart->parent.close = rt_uart_close; + uart->parent.read = rt_uart_read; + uart->parent.write = rt_uart_write; + uart->parent.control = RT_NULL; + uart->parent.user_data = RT_NULL; - rt_device_register(&uart->parent, "uart0", - RT_DEVICE_FLAG_RDWR | - RT_DEVICE_FLAG_STREAM | - RT_DEVICE_FLAG_INT_RX); + rt_device_register(&uart->parent, "uart0", + RT_DEVICE_FLAG_RDWR | + RT_DEVICE_FLAG_STREAM | + RT_DEVICE_FLAG_INT_RX); } #endif /* end of UART */ diff --git a/bsp/ls1bdev/drivers/uart.h b/bsp/ls1bdev/drivers/uart.h index 2aae7e9ef5..bec660b740 100644 --- a/bsp/ls1bdev/drivers/uart.h +++ b/bsp/ls1bdev/drivers/uart.h @@ -16,8 +16,9 @@ #define __UART_H__ #include "ls1b.h" +#include <rthw.h> -#define UART0_BASE 0xBFE40000 +#define UART0_BASE 0xBFE40000 #define UART0_1_BASE 0xBFE41000 #define UART0_2_BASE 0xBFE42000 #define UART0_3_BASE 0xBFE43000 @@ -31,43 +32,43 @@ #define UART5_BASE 0xBFE7C000 /* UART registers */ -#define UART_DAT(base) __REG8(base + 0x00) -#define UART_IER(base) __REG8(base + 0x01) -#define UART_IIR(base) __REG8(base + 0x02) -#define UART_FCR(base) __REG8(base + 0x02) -#define UART_LCR(base) __REG8(base + 0x03) -#define UART_MCR(base) __REG8(base + 0x04) -#define UART_LSR(base) __REG8(base + 0x05) -#define UART_MSR(base) __REG8(base + 0x06) +#define UART_DAT(base) HWREG8(base + 0x00) +#define UART_IER(base) HWREG8(base + 0x01) +#define UART_IIR(base) HWREG8(base + 0x02) +#define UART_FCR(base) HWREG8(base + 0x02) +#define UART_LCR(base) HWREG8(base + 0x03) +#define UART_MCR(base) HWREG8(base + 0x04) +#define UART_LSR(base) HWREG8(base + 0x05) +#define UART_MSR(base) HWREG8(base + 0x06) -#define UART_LSB(base) __REG8(base + 0x00) -#define UART_MSB(base) __REG8(base + 0x01) +#define UART_LSB(base) HWREG8(base + 0x00) +#define UART_MSB(base) HWREG8(base + 0x01) /* UART0 registers */ -#define UART0_DAT __REG8(UART0_BASE + 0x00) -#define UART0_IER __REG8(UART0_BASE + 0x01) -#define UART0_IIR __REG8(UART0_BASE + 0x02) -#define UART0_FCR __REG8(UART0_BASE + 0x02) -#define UART0_LCR __REG8(UART0_BASE + 0x03) -#define UART0_MCR __REG8(UART0_BASE + 0x04) -#define UART0_LSR __REG8(UART0_BASE + 0x05) -#define UART0_MSR __REG8(UART0_BASE + 0x06) +#define UART0_DAT HWREG8(UART0_BASE + 0x00) +#define UART0_IER HWREG8(UART0_BASE + 0x01) +#define UART0_IIR HWREG8(UART0_BASE + 0x02) +#define UART0_FCR HWREG8(UART0_BASE + 0x02) +#define UART0_LCR HWREG8(UART0_BASE + 0x03) +#define UART0_MCR HWREG8(UART0_BASE + 0x04) +#define UART0_LSR HWREG8(UART0_BASE + 0x05) +#define UART0_MSR HWREG8(UART0_BASE + 0x06) -#define UART0_LSB __REG8(UART0_BASE + 0x00) -#define UART0_MSB __REG8(UART0_BASE + 0x01) +#define UART0_LSB HWREG8(UART0_BASE + 0x00) +#define UART0_MSB HWREG8(UART0_BASE + 0x01) /* UART1 registers */ -#define UART1_DAT __REG8(UART1_BASE + 0x00) -#define UART1_IER __REG8(UART1_BASE + 0x01) -#define UART1_IIR __REG8(UART1_BASE + 0x02) -#define UART1_FCR __REG8(UART1_BASE + 0x02) -#define UART1_LCR __REG8(UART1_BASE + 0x03) -#define UART1_MCR __REG8(UART1_BASE + 0x04) -#define UART1_LSR __REG8(UART1_BASE + 0x05) -#define UART1_MSR __REG8(UART1_BASE + 0x06) +#define UART1_DAT HWREG8(UART1_BASE + 0x00) +#define UART1_IER HWREG8(UART1_BASE + 0x01) +#define UART1_IIR HWREG8(UART1_BASE + 0x02) +#define UART1_FCR HWREG8(UART1_BASE + 0x02) +#define UART1_LCR HWREG8(UART1_BASE + 0x03) +#define UART1_MCR HWREG8(UART1_BASE + 0x04) +#define UART1_LSR HWREG8(UART1_BASE + 0x05) +#define UART1_MSR HWREG8(UART1_BASE + 0x06) -#define UART1_LSB __REG8(UART1_BASE + 0x00) -#define UART1_MSB __REG8(UART1_BASE + 0x01) +#define UART1_LSB HWREG8(UART1_BASE + 0x00) +#define UART1_MSB HWREG8(UART1_BASE + 0x01) /* UART interrupt enable register value */ #define UARTIER_IME (1 << 3) |
