projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| bf54439c TP |
1 | /* |
| 2 | * Marvell Armada SoC kernel uncompression UART routines | |
| 3 | * | |
| 4 | * Copyright (C) 2012 Marvell | |
| 5 | * | |
| 6 | * Lior Amsalem <alior@marvell.com> | |
| 7 | * | |
| 8 | * This file is licensed under the terms of the GNU General Public | |
| 9 | * License version 2. This program is licensed "as is" without any | |
| 10 | * warranty of any kind, whether express or implied. | |
| 11 | */ | |
| 12 | ||
| 13 | #include <mach/armada-370-xp.h> | |
| 14 | ||
| 15 | #define UART_THR ((volatile unsigned char *)(ARMADA_370_XP_REGS_PHYS_BASE\ | |
| 16 | + 0x12000)) | |
| 17 | #define UART_LSR ((volatile unsigned char *)(ARMADA_370_XP_REGS_PHYS_BASE\ | |
| 18 | + 0x12014)) | |
| 19 | ||
| 20 | #define LSR_THRE 0x20 | |
| 21 | ||
| 22 | static void putc(const char c) | |
| 23 | { | |
| 24 | int i; | |
| 25 | ||
| 26 | for (i = 0; i < 0x1000; i++) { | |
| 27 | /* Transmit fifo not full? */ | |
| 28 | if (*UART_LSR & LSR_THRE) | |
| 29 | break; | |
| 30 | } | |
| 31 | ||
| 32 | *UART_THR = c; | |
| 33 | } | |
| 34 | ||
| 35 | static void flush(void) | |
| 36 | { | |
| 37 | } | |
| 38 | ||
| 39 | /* | |
| 40 | * nothing to do | |
| 41 | */ | |
| 42 | #define arch_decomp_setup() | |
| 43 | #define arch_decomp_wdog() |