diff options
| author | Bernard Xiong <[email protected]> | 2014-08-19 10:48:49 +0800 |
|---|---|---|
| committer | Bernard Xiong <[email protected]> | 2014-08-19 10:48:49 +0800 |
| commit | a55fd4b9c18df1fe97c6c8093b786f2fcb55f3be (patch) | |
| tree | 1f25b5e12b3a21f5f1c206a0a64ac0c3d84ebf7e | |
| parent | ee824bddfdbde4ce231dc0a63081ffdde0c68f1b (diff) | |
| parent | 11fb9060e010d23899e73c46f6d1e237060a3c43 (diff) | |
Merge pull request #314 from grissiom/ls1b
Ls1b
| -rw-r--r-- | bsp/ls1bdev/applications/startup.c | 56 | ||||
| -rw-r--r-- | bsp/ls1bdev/drivers/board.c | 42 | ||||
| -rw-r--r-- | bsp/ls1bdev/drivers/uart.c | 11 | ||||
| -rw-r--r-- | libcpu/mips/loongson_1b/interrupt.c | 159 |
4 files changed, 137 insertions, 131 deletions
diff --git a/bsp/ls1bdev/applications/startup.c b/bsp/ls1bdev/applications/startup.c index befa929d30..bfd8214027 100644 --- a/bsp/ls1bdev/applications/startup.c +++ b/bsp/ls1bdev/applications/startup.c @@ -38,49 +38,49 @@ extern void irq_exception(void); */ void rtthread_startup(void) { - /* disable interrupt first */ - rt_hw_interrupt_disable(); + /* disable interrupt first */ + rt_hw_interrupt_disable(); - /* init cache */ - rt_hw_cache_init(); - /* init hardware interrupt */ - rt_hw_interrupt_init(); + /* init cache */ + rt_hw_cache_init(); + /* init hardware interrupt */ + rt_hw_interrupt_init(); - /* copy vector */ - memcpy((void *)A_K0BASE, tlb_refill_exception, 0x20); - memcpy((void *)(A_K0BASE + 0x180), general_exception, 0x20); - memcpy((void *)(A_K0BASE + 0x200), irq_exception, 0x20); + /* copy vector */ + rt_memcpy((void *)A_K0BASE, tlb_refill_exception, 0x20); + rt_memcpy((void *)(A_K0BASE + 0x180), general_exception, 0x20); + rt_memcpy((void *)(A_K0BASE + 0x200), irq_exception, 0x20); - /* init board */ - rt_hw_board_init(); + /* init board */ + rt_hw_board_init(); - /* show version */ - rt_show_version(); + /* show version */ + rt_show_version(); #ifdef RT_USING_HEAP - rt_system_heap_init((void*)&__bss_end, (void*)RT_HW_HEAP_END); + rt_system_heap_init((void*)&__bss_end, (void*)RT_HW_HEAP_END); #endif - /* init scheduler system */ - rt_system_scheduler_init(); - - /* init application */ - rt_application_init(); + /* init scheduler system */ + rt_system_scheduler_init(); /* initialize timer */ rt_system_timer_init(); - /* initialize timer thread */ - rt_system_timer_thread_init(); + /* initialize timer thread */ + rt_system_timer_thread_init(); + + /* init idle thread */ + rt_thread_idle_init(); - /* init idle thread */ - rt_thread_idle_init(); + /* init application */ + rt_application_init(); - /* start scheduler */ - rt_system_scheduler_start(); + /* start scheduler */ + rt_system_scheduler_start(); - /* never reach here */ - return ; + /* never reach here */ + return; } /*@}*/ diff --git a/bsp/ls1bdev/drivers/board.c b/bsp/ls1bdev/drivers/board.c index 06a985cf1b..307d8d28b0 100644 --- a/bsp/ls1bdev/drivers/board.c +++ b/bsp/ls1bdev/drivers/board.c @@ -71,6 +71,23 @@ void rt_hw_board_init(void) rt_kprintf("current sr: 0x%08x\n", read_c0_status()); } +#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 ++; \ + } + /* UART line status register value */ #define UARTLSR_ERROR (1 << 7) #define UARTLSR_TE (1 << 6) @@ -82,24 +99,13 @@ void rt_hw_board_init(void) #define UARTLSR_DR (1 << 0) void rt_hw_console_output(const char *ptr) { - /* stream mode */ - while (*ptr) - { - if (*ptr == '\n') - { - /* FIFO status, contain valid data */ - while (!(UART_LSR(UART0_BASE) & (UARTLSR_TE | UARTLSR_TFE))); - /* write data */ - UART_DAT(UART0_BASE) = '\r'; - } - - /* FIFO status, contain valid data */ - while (!(UART_LSR(UART0_BASE) & (UARTLSR_TE | UARTLSR_TFE))); - /* write data */ - UART_DAT(UART0_BASE) = *ptr; - - 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); +#endif } /*@}*/ diff --git a/bsp/ls1bdev/drivers/uart.c b/bsp/ls1bdev/drivers/uart.c index 4e897391fb..c4ddb581e6 100644 --- a/bsp/ls1bdev/drivers/uart.c +++ b/bsp/ls1bdev/drivers/uart.c @@ -249,13 +249,16 @@ void rt_hw_uart_init(void) 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; #elif defined(RT_USING_UART1) 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; #endif /* device interface */ @@ -267,9 +270,9 @@ void rt_hw_uart_init(void) 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_register(&uart->parent, "uart0", + RT_DEVICE_FLAG_RDWR | + RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX); } #endif /* end of UART */ diff --git a/libcpu/mips/loongson_1b/interrupt.c b/libcpu/mips/loongson_1b/interrupt.c index c5b4bad038..be65da914c 100644 --- a/libcpu/mips/loongson_1b/interrupt.c +++ b/libcpu/mips/loongson_1b/interrupt.c @@ -30,7 +30,7 @@ void rt_interrupt_dispatch(void *ptreg); void rt_hw_timer_handler(); static struct ls1b_intc_regs volatile *ls1b_hw0_icregs - = (struct ls1b_intc_regs volatile *)(LS1B_INTREG_BASE); += (struct ls1b_intc_regs volatile *)(LS1B_INTREG_BASE); /** * @addtogroup Loongson LS1B @@ -40,7 +40,7 @@ static struct ls1b_intc_regs volatile *ls1b_hw0_icregs static void rt_hw_interrupt_handler(int vector, void *param) { - rt_kprintf("Unhandled interrupt %d occured!!!\n", vector); + rt_kprintf("Unhandled interrupt %d occured!!!\n", vector); } /** @@ -48,26 +48,26 @@ static void rt_hw_interrupt_handler(int vector, void *param) */ void rt_hw_interrupt_init(void) { - rt_int32_t idx; + rt_int32_t idx; - /* pci active low */ - ls1b_hw0_icregs->int_pol = -1; //must be done here 20110802 lgnq - /* make all interrupts level triggered */ - (ls1b_hw0_icregs+0)->int_edge = 0x0000e000; - /* mask all interrupts */ - (ls1b_hw0_icregs+0)->int_clr = 0xffffffff; + /* pci active low */ + ls1b_hw0_icregs->int_pol = -1; //must be done here 20110802 lgnq + /* make all interrupts level triggered */ + (ls1b_hw0_icregs+0)->int_edge = 0x0000e000; + /* mask all interrupts */ + (ls1b_hw0_icregs+0)->int_clr = 0xffffffff; rt_memset(irq_handle_table, 0x00, sizeof(irq_handle_table)); - for (idx = 0; idx < MAX_INTR; idx ++) - { - irq_handle_table[idx].handler = rt_hw_interrupt_handler; - } + for (idx = 0; idx < MAX_INTR; idx ++) + { + irq_handle_table[idx].handler = rt_hw_interrupt_handler; + } - /* init interrupt nest, and context in thread sp */ - rt_interrupt_nest = 0; - rt_interrupt_from_thread = 0; - rt_interrupt_to_thread = 0; - rt_thread_switch_interrupt_flag = 0; + /* init interrupt nest, and context in thread sp */ + rt_interrupt_nest = 0; + rt_interrupt_from_thread = 0; + rt_interrupt_to_thread = 0; + rt_thread_switch_interrupt_flag = 0; } /** @@ -76,8 +76,8 @@ void rt_hw_interrupt_init(void) */ void rt_hw_interrupt_mask(int vector) { - /* mask interrupt */ - (ls1b_hw0_icregs+(vector>>5))->int_en &= ~(1 << (vector&0x1f)); + /* mask interrupt */ + (ls1b_hw0_icregs+(vector>>5))->int_en &= ~(1 << (vector&0x1f)); } /** @@ -86,7 +86,7 @@ void rt_hw_interrupt_mask(int vector) */ void rt_hw_interrupt_umask(int vector) { - (ls1b_hw0_icregs+(vector>>5))->int_en |= (1 << (vector&0x1f)); + (ls1b_hw0_icregs+(vector>>5))->int_en |= (1 << (vector&0x1f)); } /** @@ -96,22 +96,19 @@ void rt_hw_interrupt_umask(int vector) * @param old_handler the old interrupt service routine */ rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler, - void *param, char *name) + void *param, char *name) { rt_isr_handler_t old_handler = RT_NULL; - if (vector >= 0 && vector < MAX_INTR) - { + if (vector >= 0 && vector < MAX_INTR) + { old_handler = irq_handle_table[vector].handler; - if (handler != RT_NULL) - { #ifdef RT_USING_INTERRUPT_INFO - rt_strncpy(irq_handle_table[vector].name, name, RT_NAME_MAX); + rt_strncpy(irq_handle_table[vector].name, name, RT_NAME_MAX); #endif /* RT_USING_INTERRUPT_INFO */ - irq_handle_table[vector].handler = handler; - irq_handle_table[vector].param = param; - } + irq_handle_table[vector].handler = handler; + irq_handle_table[vector].param = param; } return old_handler; @@ -121,71 +118,71 @@ void rt_interrupt_dispatch(void *ptreg) { int irq; void *param; - rt_isr_handler_t irq_func; - static rt_uint32_t status = 0; - rt_uint32_t c0_status; - rt_uint32_t c0_cause; - volatile rt_uint32_t cause_im; - volatile rt_uint32_t status_im; - rt_uint32_t pending_im; + rt_isr_handler_t irq_func; + static rt_uint32_t status = 0; + rt_uint32_t c0_status; + rt_uint32_t c0_cause; + volatile rt_uint32_t cause_im; + volatile rt_uint32_t status_im; + rt_uint32_t pending_im; - /* check os timer */ - c0_status = read_c0_status(); - c0_cause = read_c0_cause(); + /* check os timer */ + c0_status = read_c0_status(); + c0_cause = read_c0_cause(); - cause_im = c0_cause & ST0_IM; - status_im = c0_status & ST0_IM; - pending_im = cause_im & status_im; + cause_im = c0_cause & ST0_IM; + status_im = c0_status & ST0_IM; + pending_im = cause_im & status_im; - if (pending_im & CAUSEF_IP7) - { - rt_hw_timer_handler(); - } + if (pending_im & CAUSEF_IP7) + { + rt_hw_timer_handler(); + } - if (pending_im & CAUSEF_IP2) - { - /* the hardware interrupt */ - status = ls1b_hw0_icregs->int_isr; - if (!status) - return; + if (pending_im & CAUSEF_IP2) + { + /* the hardware interrupt */ + status = ls1b_hw0_icregs->int_isr; + if (!status) + return; - for (irq = MAX_INTR; irq > 0; --irq) - { - if ((status & (1 << irq))) - { - status &= ~(1 << irq); + for (irq = MAX_INTR; irq > 0; --irq) + { + if ((status & (1 << irq))) + { + status &= ~(1 << irq); irq_func = irq_handle_table[irq].handler; param = irq_handle_table[irq].param; - /* do interrupt */ - (*irq_func)(irq, param); + /* do interrupt */ + irq_func(irq, param); #ifdef RT_USING_INTERRUPT_INFO irq_handle_table[irq].counter++; #endif /* RT_USING_INTERRUPT_INFO */ - /* ack interrupt */ - ls1b_hw0_icregs->int_clr |= (1 << irq); - } - } - } - else if (pending_im & CAUSEF_IP3) - { - rt_kprintf("%s %d\r\n", __FUNCTION__, __LINE__); - } - else if (pending_im & CAUSEF_IP4) - { - rt_kprintf("%s %d\r\n", __FUNCTION__, __LINE__); - } - else if (pending_im & CAUSEF_IP5) - { - rt_kprintf("%s %d\r\n", __FUNCTION__, __LINE__); - } - else if (pending_im & CAUSEF_IP6) - { - rt_kprintf("%s %d\r\n", __FUNCTION__, __LINE__); - } + /* ack interrupt */ + ls1b_hw0_icregs->int_clr |= (1 << irq); + } + } + } + else if (pending_im & CAUSEF_IP3) + { + rt_kprintf("%s %d\r\n", __FUNCTION__, __LINE__); + } + else if (pending_im & CAUSEF_IP4) + { + rt_kprintf("%s %d\r\n", __FUNCTION__, __LINE__); + } + else if (pending_im & CAUSEF_IP5) + { + rt_kprintf("%s %d\r\n", __FUNCTION__, __LINE__); + } + else if (pending_im & CAUSEF_IP6) + { + rt_kprintf("%s %d\r\n", __FUNCTION__, __LINE__); + } } /*@}*/ |
