aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-arm/arch-ep93xx/uncompress.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-ep93xx/uncompress.h')
-rw-r--r--include/asm-arm/arch-ep93xx/uncompress.h85
1 files changed, 0 insertions, 85 deletions
diff --git a/include/asm-arm/arch-ep93xx/uncompress.h b/include/asm-arm/arch-ep93xx/uncompress.h
deleted file mode 100644
index c15274c85d5d..000000000000
--- a/include/asm-arm/arch-ep93xx/uncompress.h
+++ /dev/null
@@ -1,85 +0,0 @@
1/*
2 * linux/include/asm-arm/arch-ep93xx/uncompress.h
3 *
4 * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or (at
9 * your option) any later version.
10 */
11
12#include <asm/arch/ep93xx-regs.h>
13
14static unsigned char __raw_readb(unsigned int ptr)
15{
16 return *((volatile unsigned char *)ptr);
17}
18
19static unsigned int __raw_readl(unsigned int ptr)
20{
21 return *((volatile unsigned int *)ptr);
22}
23
24static void __raw_writeb(unsigned char value, unsigned int ptr)
25{
26 *((volatile unsigned char *)ptr) = value;
27}
28
29static void __raw_writel(unsigned int value, unsigned int ptr)
30{
31 *((volatile unsigned int *)ptr) = value;
32}
33
34
35#define PHYS_UART1_DATA 0x808c0000
36#define PHYS_UART1_FLAG 0x808c0018
37#define UART1_FLAG_TXFF 0x20
38
39static inline void putc(int c)
40{
41 int i;
42
43 for (i = 0; i < 1000; i++) {
44 /* Transmit fifo not full? */
45 if (!(__raw_readb(PHYS_UART1_FLAG) & UART1_FLAG_TXFF))
46 break;
47 }
48
49 __raw_writeb(c, PHYS_UART1_DATA);
50}
51
52static inline void flush(void)
53{
54}
55
56
57/*
58 * Some bootloaders don't turn off DMA from the ethernet MAC before
59 * jumping to linux, which means that we might end up with bits of RX
60 * status and packet data scribbled over the uncompressed kernel image.
61 * Work around this by resetting the ethernet MAC before we uncompress.
62 */
63#define PHYS_ETH_SELF_CTL 0x80010020
64#define ETH_SELF_CTL_RESET 0x00000001
65
66static void ethernet_reset(void)
67{
68 unsigned int v;
69
70 /* Reset the ethernet MAC. */
71 v = __raw_readl(PHYS_ETH_SELF_CTL);
72 __raw_writel(v | ETH_SELF_CTL_RESET, PHYS_ETH_SELF_CTL);
73
74 /* Wait for reset to finish. */
75 while (__raw_readl(PHYS_ETH_SELF_CTL) & ETH_SELF_CTL_RESET)
76 ;
77}
78
79
80static void arch_decomp_setup(void)
81{
82 ethernet_reset();
83}
84
85#define arch_decomp_wdog()