| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-orion5x/include/mach/uncompress.h |
| 3 | * |
| 4 | * Tzachi Perelstein <tzachi@marvell.com> |
| 5 | * |
| 6 | * This file is licensed under the terms of the GNU General Public |
| 7 | * License version 2. This program is licensed "as is" without any |
| 8 | * warranty of any kind, whether express or implied. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/serial_reg.h> |
| 12 | #include <mach/orion5x.h> |
| 13 | |
| 14 | #define SERIAL_BASE ((unsigned char *)UART0_PHYS_BASE) |
| 15 | |
| 16 | static void putc(const char c) |
| 17 | { |
| 18 | unsigned char *base = SERIAL_BASE; |
| 19 | int i; |
| 20 | |
| 21 | for (i = 0; i < 0x1000; i++) { |
| 22 | if (base[UART_LSR << 2] & UART_LSR_THRE) |
| 23 | break; |
| 24 | barrier(); |
| 25 | } |
| 26 | |
| 27 | base[UART_TX << 2] = c; |
| 28 | } |
| 29 | |
| 30 | static void flush(void) |
| 31 | { |
| 32 | unsigned char *base = SERIAL_BASE; |
| 33 | unsigned char mask; |
| 34 | int i; |
| 35 | |
| 36 | mask = UART_LSR_TEMT | UART_LSR_THRE; |
| 37 | |
| 38 | for (i = 0; i < 0x1000; i++) { |
| 39 | if ((base[UART_LSR << 2] & mask) == mask) |
| 40 | break; |
| 41 | barrier(); |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | /* |
| 46 | * nothing to do |
| 47 | */ |
| 48 | #define arch_decomp_setup() |