diff options
Diffstat (limited to 'arch/ppc/boot/simple/misc-mv64x60.c')
-rw-r--r-- | arch/ppc/boot/simple/misc-mv64x60.c | 85 |
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 | |||
16 | extern struct bi_record *decompress_kernel(unsigned long load_addr, | ||
17 | int num_words, unsigned long cksum); | ||
18 | |||
19 | |||
20 | u32 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 */ | ||
26 | unsigned long | ||
27 | mv64360_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 | |||
46 | void | ||
47 | mv64x60_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 | |||
71 | void __attribute__ ((weak)) | ||
72 | mv64x60_board_init(void __iomem *old_base, void __iomem *new_base) | ||
73 | { | ||
74 | } | ||
75 | |||
76 | void * | ||
77 | load_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 | } | ||