1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #include <asm/types.h> 3 #include <linux/serial_reg.h> 4 #include <mach/hardware.h> 5 6 #define UART_BASE ((volatile u32 *)IOP13XX_UART1_PHYS) 7 #define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE) 8 putc(char c)9static inline void putc(char c) 10 { 11 while ((UART_BASE[UART_LSR] & TX_DONE) != TX_DONE) 12 barrier(); 13 UART_BASE[UART_TX] = c; 14 } 15 flush(void)16static inline void flush(void) 17 { 18 } 19 20 /* 21 * nothing to do 22 */ 23 #define arch_decomp_setup() 24