| /* |
| * linux/include/asm-arm/arch-sa1100/uncompress.h |
| * |
| * (C) 1999 Nicolas Pitre <nico@cam.org> |
| * |
| * Reorganised to be machine independent. |
| */ |
| |
| #include "hardware.h" |
| |
| /* |
| * The following code assumes the serial port has already been |
| * initialized by the bootloader. We search for the first enabled |
| * port in the most probable order. If you didn't setup a port in |
| * your bootloader then nothing will appear (which might be desired). |
| */ |
| |
| #define UART(x) (*(volatile unsigned long *)(serial_port + (x))) |
| |
| static void putc(int c) |
| { |
| unsigned long serial_port; |
| |
| do { |
| serial_port = _Ser3UTCR0; |
| if (UART(UTCR3) & UTCR3_TXE) break; |
| serial_port = _Ser1UTCR0; |
| if (UART(UTCR3) & UTCR3_TXE) break; |
| serial_port = _Ser2UTCR0; |
| if (UART(UTCR3) & UTCR3_TXE) break; |
| return; |
| } while (0); |
| |
| /* wait for space in the UART's transmitter */ |
| while (!(UART(UTSR1) & UTSR1_TNF)) |
| barrier(); |
| |
| /* send the character out. */ |
| UART(UTDR) = c; |
| } |
| |
| static inline void flush(void) |
| { |
| } |
| |
| /* |
| * Nothing to do for these |
| */ |
| #define arch_decomp_setup() |
| #define arch_decomp_wdog() |
