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authorHeiko Stuebner <heiko@sntech.de>2014-03-11 09:05:09 -0400
committerKukjin Kim <kgene.kim@samsung.com>2014-03-11 09:05:18 -0400
commit19a964644f1e655c3f67d539c1e99a9fbcc4588c (patch)
treeefb70098653c97223d3f262788a8e12d3a3ca1c2 /arch/arm/plat-samsung
parent90266754801c0361c3c6e06dc3d763b00810e1a9 (diff)
ARM: SAMSUNG: remove all custom uncompress.h
All Samsung platforms now use the generic uncompress.h so all the custom ones can be removed. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/plat-samsung')
-rw-r--r--arch/arm/plat-samsung/include/plat/uncompress.h175
1 files changed, 0 insertions, 175 deletions
diff --git a/arch/arm/plat-samsung/include/plat/uncompress.h b/arch/arm/plat-samsung/include/plat/uncompress.h
deleted file mode 100644
index 61054fd88d43..000000000000
--- a/arch/arm/plat-samsung/include/plat/uncompress.h
+++ /dev/null
@@ -1,175 +0,0 @@
1/* arch/arm/plat-samsung/include/plat/uncompress.h
2 *
3 * Copyright 2003, 2007 Simtec Electronics
4 * http://armlinux.simtec.co.uk/
5 * Ben Dooks <ben@simtec.co.uk>
6 *
7 * S3C - uncompress code
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#ifndef __ASM_PLAT_UNCOMPRESS_H
15#define __ASM_PLAT_UNCOMPRESS_H
16
17typedef unsigned int upf_t; /* cannot include linux/serial_core.h */
18
19/* uart setup */
20
21unsigned int fifo_mask;
22unsigned int fifo_max;
23
24volatile u8 *uart_base;
25
26/* forward declerations */
27
28static void arch_detect_cpu(void);
29
30/* defines for UART registers */
31
32#include <linux/serial_s3c.h>
33
34/* working in physical space... */
35#define S3C_WDOGREG(x) ((S3C_PA_WDT + (x)))
36
37#define S3C2410_WTCON S3C_WDOGREG(0x00)
38#define S3C2410_WTDAT S3C_WDOGREG(0x04)
39#define S3C2410_WTCNT S3C_WDOGREG(0x08)
40
41#define S3C2410_WTCON_RSTEN (1 << 0)
42#define S3C2410_WTCON_ENABLE (1 << 5)
43
44#define S3C2410_WTCON_DIV128 (3 << 3)
45
46#define S3C2410_WTCON_PRESCALE(x) ((x) << 8)
47
48/* how many bytes we allow into the FIFO at a time in FIFO mode */
49#define FIFO_MAX (14)
50
51static __inline__ void
52uart_wr(unsigned int reg, unsigned int val)
53{
54 volatile unsigned int *ptr;
55
56 ptr = (volatile unsigned int *)(reg + uart_base);
57 *ptr = val;
58}
59
60static __inline__ unsigned int
61uart_rd(unsigned int reg)
62{
63 volatile unsigned int *ptr;
64
65 ptr = (volatile unsigned int *)(reg + uart_base);
66 return *ptr;
67}
68
69/* we can deal with the case the UARTs are being run
70 * in FIFO mode, so that we don't hold up our execution
71 * waiting for tx to happen...
72*/
73
74static void putc(int ch)
75{
76 if (!config_enabled(CONFIG_DEBUG_LL))
77 return;
78
79 if (uart_rd(S3C2410_UFCON) & S3C2410_UFCON_FIFOMODE) {
80 int level;
81
82 while (1) {
83 level = uart_rd(S3C2410_UFSTAT);
84 level &= fifo_mask;
85
86 if (level < fifo_max)
87 break;
88 }
89
90 } else {
91 /* not using fifos */
92
93 while ((uart_rd(S3C2410_UTRSTAT) & S3C2410_UTRSTAT_TXE) != S3C2410_UTRSTAT_TXE)
94 barrier();
95 }
96
97 /* write byte to transmission register */
98 uart_wr(S3C2410_UTXH, ch);
99}
100
101static inline void flush(void)
102{
103}
104
105#define __raw_writel(d, ad) \
106 do { \
107 *((volatile unsigned int __force *)(ad)) = (d); \
108 } while (0)
109
110#ifdef CONFIG_S3C_BOOT_ERROR_RESET
111
112static void arch_decomp_error(const char *x)
113{
114 putstr("\n\n");
115 putstr(x);
116 putstr("\n\n -- System resetting\n");
117
118 __raw_writel(0x4000, S3C2410_WTDAT);
119 __raw_writel(0x4000, S3C2410_WTCNT);
120 __raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128 | S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x40), S3C2410_WTCON);
121
122 while(1);
123}
124
125#define arch_error arch_decomp_error
126#endif
127
128#ifdef CONFIG_S3C_BOOT_UART_FORCE_FIFO
129static inline void arch_enable_uart_fifo(void)
130{
131 u32 fifocon;
132
133 if (!config_enabled(CONFIG_DEBUG_LL))
134 return;
135
136 fifocon = uart_rd(S3C2410_UFCON);
137
138 if (!(fifocon & S3C2410_UFCON_FIFOMODE)) {
139 fifocon |= S3C2410_UFCON_RESETBOTH;
140 uart_wr(S3C2410_UFCON, fifocon);
141
142 /* wait for fifo reset to complete */
143 while (1) {
144 fifocon = uart_rd(S3C2410_UFCON);
145 if (!(fifocon & S3C2410_UFCON_RESETBOTH))
146 break;
147 }
148
149 uart_wr(S3C2410_UFCON, S3C2410_UFCON_FIFOMODE);
150 }
151}
152#else
153#define arch_enable_uart_fifo() do { } while(0)
154#endif
155
156
157static void
158arch_decomp_setup(void)
159{
160 /* we may need to setup the uart(s) here if we are not running
161 * on an BAST... the BAST will have left the uarts configured
162 * after calling linux.
163 */
164
165 arch_detect_cpu();
166
167 /* Enable the UART FIFOs if they where not enabled and our
168 * configuration says we should turn them on.
169 */
170
171 arch_enable_uart_fifo();
172}
173
174
175#endif /* __ASM_PLAT_UNCOMPRESS_H */