1 /* 2 * arch/arm/mach-mv78xx0/include/mach/uncompress.h 3 * 4 * This file is licensed under the terms of the GNU General Public 5 * License version 2. This program is licensed "as is" without any 6 * warranty of any kind, whether express or implied. 7 */ 8 9 #include <linux/serial_reg.h> 10 #include <mach/mv78xx0.h> 11 12 #define SERIAL_BASE ((unsigned char *)UART0_PHYS_BASE) 13 putc(const char c)14static void putc(const char c) 15 { 16 unsigned char *base = SERIAL_BASE; 17 int i; 18 19 for (i = 0; i < 0x1000; i++) { 20 if (base[UART_LSR << 2] & UART_LSR_THRE) 21 break; 22 barrier(); 23 } 24 25 base[UART_TX << 2] = c; 26 } 27 flush(void)28static void flush(void) 29 { 30 unsigned char *base = SERIAL_BASE; 31 unsigned char mask; 32 int i; 33 34 mask = UART_LSR_TEMT | UART_LSR_THRE; 35 36 for (i = 0; i < 0x1000; i++) { 37 if ((base[UART_LSR << 2] & mask) == mask) 38 break; 39 barrier(); 40 } 41 } 42 43 /* 44 * nothing to do 45 */ 46 #define arch_decomp_setup() 47