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authorxph <[email protected]>2020-04-09 16:35:28 +0800
committerGitHub <[email protected]>2020-04-09 16:35:28 +0800
commitca7f01d79b3e0a997c771cec298e4ebd65b75809 (patch)
tree3d2c48aae7203b14038ba7b98b500b5343ed7f2a /bsp/ls1bdev/drivers
parentf763f8e7284b0492c5a65ad0abf94ee1963d7dcc (diff)
parentbaa3145bfe61b3330b6a160523cc5470fa5db3a7 (diff)
Merge pull request #1 from RT-Thread/master
sync rtt
Diffstat (limited to 'bsp/ls1bdev/drivers')
-rw-r--r--bsp/ls1bdev/drivers/board.c111
-rw-r--r--bsp/ls1bdev/drivers/uart.c344
-rw-r--r--bsp/ls1bdev/drivers/uart.h63
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)