innov
/
xiuos
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Modify uart

This commit is contained in:
songyanguang 2024-12-03 10:45:39 +08:00
parent 8795b4138e
commit 87c5f1549f
2 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Ubiquitous/XiZi_AIoT/hardkernel/uart/riscv/rv64gc/uart_io_for_jh7110/include/ns16550.h
View File

@ -214,6 +214,6 @@ void _debug_uart_init(void);
void _debug_uart_putc(int ch); void _debug_uart_putc(int ch);
int _debug_uart_getc(void); int _debug_uart_getc(void);
void _debug_uart_printascii(const char *str); void _debug_uart_printascii(const char *str);
void _debug_uart_phymem_init(void); void _debug_uart_init_early(void);
#endif /* __ns16550_h */ #endif /* __ns16550_h */

11
Ubiquitous/XiZi_AIoT/hardkernel/uart/riscv/rv64gc/uart_io_for_jh7110/ns16550.c
View File

@ -4,7 +4,7 @@
* modified to use CONFIG_SYS_ISA_MEM and new defines * modified to use CONFIG_SYS_ISA_MEM and new defines
*/ */
#include <ns16550.h> #include "ns16550.h"
#include "mmio_access.h" #include "mmio_access.h"
struct ns16550 g_ns16550_com_port = {0}; struct ns16550 g_ns16550_com_port = {0};
@ -14,7 +14,8 @@ unsigned long g_ns16550_uart_base = {0};
#define CONFIG_SYS_NS16550_UART_BASE 0x10000000 #define CONFIG_SYS_NS16550_UART_BASE 0x10000000
#define CONFIG_BAUDRATE 115200 #define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_NS16550_CLK 24000000 #define CONFIG_SYS_NS16550_CLK 24000000
#define CONFIG_SYS_NS16550_UART_BASE_MAP MMIO_P2V_WO(CONFIG_SYS_NS16550_UART_BASE) #define CONFIG_SYS_NS16550_UART_BASE_VIRT MMIO_P2V_WO(CONFIG_SYS_NS16550_UART_BASE)
#define UART_LCRVAL UART_LCR_8N1 /* 8 data, 1 stop, no parity */ #define UART_LCRVAL UART_LCR_8N1 /* 8 data, 1 stop, no parity */
#define UART_MCRVAL (UART_MCR_DTR | \ #define UART_MCRVAL (UART_MCR_DTR | \
@ -172,20 +173,20 @@ void _debug_uart_init(void)
{ {
int baudrate = CONFIG_BAUDRATE; int baudrate = CONFIG_BAUDRATE;
g_ns16550_uart_base = CONFIG_SYS_NS16550_UART_BASE_MAP; g_ns16550_uart_base = CONFIG_SYS_NS16550_UART_BASE_VIRT;
ns16550_serial_init(); ns16550_serial_init();
ns16550_serial_setbrg(baudrate); ns16550_serial_setbrg(baudrate);
_debug_uart_printascii("_debug_uart_init success.\n"); _debug_uart_printascii("_debug_uart_init success.\n");
} }
void _debug_uart_phymem_init(void) void _debug_uart_init_early(void)
{ {
int baudrate = CONFIG_BAUDRATE; int baudrate = CONFIG_BAUDRATE;
g_ns16550_uart_base = CONFIG_SYS_NS16550_UART_BASE; g_ns16550_uart_base = CONFIG_SYS_NS16550_UART_BASE;
ns16550_serial_init(); ns16550_serial_init();
ns16550_serial_setbrg(baudrate); ns16550_serial_setbrg(baudrate);
_debug_uart_printascii("_debug_uart_phymem_init success.\n"); _debug_uart_printascii("_debug_uart_init_early success.\n");
} }
void _debug_uart_putc(int ch) void _debug_uart_putc(int ch)