DEBUG_UART_FUNCS #endif #ifdef CONFIG_DEBUG_UART_OMAP #include <debug_uart.h> static inline void _debug_uart_init(void) { struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; int baud_divisor; baud_divisor = ns16550_calc_divisor(com_port, CONFIG_DEBUG_UART_CLOCK, CONFIG_BAUDRATE); serial_dout(&com_port->ier, CONFIG_SYS_NS16550_IER); serial_dout(&com_port->mdr1, 0x7); serial_dout(&com_port->mcr, UART_MCRVAL); serial_dout(&com_port->fcr, UART_FCR_DEFVAL); serial_dout(&com_port->lcr, UART_LCR_BKSE | UART_LCRVAL); serial_dout(&com_port->dll, baud_divisor & 0xff); serial_dout(&com_port->dlm, (baud_divisor >> 8) & 0xff); serial_dout(&com_port->lcr, UART_LCRVAL); serial_dout(&com_port->mdr1, 0x0); }
static inline void _debug_uart_putc(int ch) { struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; while (!(serial_din(&com_port->lsr) & UART_LSR_THRE)) ; serial_dout(&com_port->thr, ch); }
void debug_uart_init(void) { struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; int baud_divisor; /* * We copy the code from above because it is already horribly messy. * Trying to refactor to nicely remove the duplication doesn't seem * feasible. The better fix is to move all users of this driver to * driver model. */ baud_divisor = calc_divisor(com_port, CONFIG_DEBUG_UART_CLOCK, CONFIG_BAUDRATE); serial_dout(&com_port->ier, CONFIG_SYS_NS16550_IER); serial_dout(&com_port->mcr, UART_MCRVAL); serial_dout(&com_port->fcr, UART_FCRVAL); serial_dout(&com_port->lcr, UART_LCR_BKSE | UART_LCRVAL); serial_dout(&com_port->dll, baud_divisor & 0xff); serial_dout(&com_port->dlm, (baud_divisor >> 8) & 0xff); serial_dout(&com_port->lcr, UART_LCRVAL); }