diff options
Diffstat (limited to 'arch/arm/mach-zynq/include/mach/uncompress.h')
-rw-r--r-- | arch/arm/mach-zynq/include/mach/uncompress.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/mach-zynq/include/mach/uncompress.h b/arch/arm/mach-zynq/include/mach/uncompress.h new file mode 100644 index 00000000000..af4e8447bfa --- /dev/null +++ b/arch/arm/mach-zynq/include/mach/uncompress.h | |||
@@ -0,0 +1,51 @@ | |||
1 | /* arch/arm/mach-zynq/include/mach/uncompress.h | ||
2 | * | ||
3 | * Copyright (C) 2011 Xilinx | ||
4 | * | ||
5 | * This software is licensed under the terms of the GNU General Public | ||
6 | * License version 2, as published by the Free Software Foundation, and | ||
7 | * may be copied, distributed, and modified under those terms. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | */ | ||
14 | |||
15 | #ifndef __MACH_UNCOMPRESS_H__ | ||
16 | #define __MACH_UNCOMPRESS_H__ | ||
17 | |||
18 | #include <linux/io.h> | ||
19 | #include <asm/processor.h> | ||
20 | #include <mach/zynq_soc.h> | ||
21 | #include <mach/uart.h> | ||
22 | |||
23 | void arch_decomp_setup(void) | ||
24 | { | ||
25 | } | ||
26 | |||
27 | static inline void flush(void) | ||
28 | { | ||
29 | /* | ||
30 | * Wait while the FIFO is not empty | ||
31 | */ | ||
32 | while (!(__raw_readl(IOMEM(LL_UART_PADDR + UART_SR_OFFSET)) & | ||
33 | UART_SR_TXEMPTY)) | ||
34 | cpu_relax(); | ||
35 | } | ||
36 | |||
37 | #define arch_decomp_wdog() | ||
38 | |||
39 | static void putc(char ch) | ||
40 | { | ||
41 | /* | ||
42 | * Wait for room in the FIFO, then write the char into the FIFO | ||
43 | */ | ||
44 | while (__raw_readl(IOMEM(LL_UART_PADDR + UART_SR_OFFSET)) & | ||
45 | UART_SR_TXFULL) | ||
46 | cpu_relax(); | ||
47 | |||
48 | __raw_writel(ch, IOMEM(LL_UART_PADDR + UART_FIFO_OFFSET)); | ||
49 | } | ||
50 | |||
51 | #endif | ||