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-rw-r--r--arch/ppc/boot/simple/misc-mv64x60.c85
1 files changed, 0 insertions, 85 deletions
diff --git a/arch/ppc/boot/simple/misc-mv64x60.c b/arch/ppc/boot/simple/misc-mv64x60.c
deleted file mode 100644
index 28b3108083ed..000000000000
--- a/arch/ppc/boot/simple/misc-mv64x60.c
+++ /dev/null
@@ -1,85 +0,0 @@
1/*
2 * Relocate bridge's register base and call board specific routine.
3 *
4 * Author: Mark A. Greer <source@mvista.com>
5 *
6 * 2005 (c) MontaVista Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
9 * or implied.
10 */
11
12#include <linux/types.h>
13#include <asm/io.h>
14#include <asm/mv64x60_defs.h>
15
16extern struct bi_record *decompress_kernel(unsigned long load_addr,
17 int num_words, unsigned long cksum);
18
19
20u32 size_reg[MV64x60_CPU2MEM_WINDOWS] = {
21 MV64x60_CPU2MEM_0_SIZE, MV64x60_CPU2MEM_1_SIZE,
22 MV64x60_CPU2MEM_2_SIZE, MV64x60_CPU2MEM_3_SIZE
23};
24
25/* Read mem ctlr to get the amount of mem in system */
26unsigned long
27mv64360_get_mem_size(void)
28{
29 u32 enables, i, v;
30 u32 mem = 0;
31
32 enables = in_le32((void __iomem *)CONFIG_MV64X60_NEW_BASE +
33 MV64360_CPU_BAR_ENABLE) & 0xf;
34
35 for (i=0; i<MV64x60_CPU2MEM_WINDOWS; i++)
36 if (!(enables & (1<<i))) {
37 v = in_le32((void __iomem *)CONFIG_MV64X60_NEW_BASE
38 + size_reg[i]) & 0xffff;
39 v = (v + 1) << 16;
40 mem += v;
41 }
42
43 return mem;
44}
45
46void
47mv64x60_move_base(void __iomem *old_base, void __iomem *new_base)
48{
49 u32 bits, mask, b;
50
51 if (old_base != new_base) {
52#ifdef CONFIG_GT64260
53 bits = 12;
54 mask = 0x07000000;
55#else /* Must be mv64[34]60 */
56 bits = 16;
57 mask = 0x03000000;
58#endif
59 b = in_le32(old_base + MV64x60_INTERNAL_SPACE_DECODE);
60 b &= mask;
61 b |= ((u32)new_base >> (32 - bits));
62 out_le32(old_base + MV64x60_INTERNAL_SPACE_DECODE, b);
63
64 __asm__ __volatile__("sync");
65
66 /* Wait for change to happen (in accordance with the manual) */
67 while (in_le32(new_base + MV64x60_INTERNAL_SPACE_DECODE) != b);
68 }
69}
70
71void __attribute__ ((weak))
72mv64x60_board_init(void __iomem *old_base, void __iomem *new_base)
73{
74}
75
76void *
77load_kernel(unsigned long load_addr, int num_words, unsigned long cksum,
78 void *ign1, void *ign2)
79{
80 mv64x60_move_base((void __iomem *)CONFIG_MV64X60_BASE,
81 (void __iomem *)CONFIG_MV64X60_NEW_BASE);
82 mv64x60_board_init((void __iomem *)CONFIG_MV64X60_BASE,
83 (void __iomem *)CONFIG_MV64X60_NEW_BASE);
84 return decompress_kernel(load_addr, num_words, cksum);
85}