diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-30 21:37:27 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-30 21:37:27 -0500 |
commit | 8af03e782cae1e0a0f530ddd22301cdd12cf9dc0 (patch) | |
tree | c4af13a38bd3cc1a811a37f2358491f171052070 /arch/powerpc/boot/redboot-8xx.c | |
parent | 6232665040f9a23fafd9d94d4ae8d5a2dc850f65 (diff) | |
parent | 99e139126ab2e84be67969650f92eb37c12ab5cd (diff) |
Merge branch 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (454 commits)
[POWERPC] Cell IOMMU fixed mapping support
[POWERPC] Split out the ioid fetching/checking logic
[POWERPC] Add support to cell_iommu_setup_page_tables() for multiple windows
[POWERPC] Split out the IOMMU logic from cell_dma_dev_setup()
[POWERPC] Split cell_iommu_setup_hardware() into two parts
[POWERPC] Split out the logic that allocates struct iommus
[POWERPC] Allocate the hash table under 1G on cell
[POWERPC] Add set_dma_ops() to match get_dma_ops()
[POWERPC] 83xx: Clean up / convert mpc83xx board DTS files to v1 format.
[POWERPC] 85xx: Only invalidate TLB0 and TLB1
[POWERPC] 83xx: Fix typo in mpc837x compatible entries
[POWERPC] 85xx: convert sbc85* boards to use machine_device_initcall
[POWERPC] 83xx: rework platform Kconfig
[POWERPC] 85xx: rework platform Kconfig
[POWERPC] 86xx: Remove unused IRQ defines
[POWERPC] QE: Explicitly set address-cells and size cells for muram
[POWERPC] Convert StorCenter DTS file to /dts-v1/ format.
[POWERPC] 86xx: Convert all 86xx DTS files to /dts-v1/ format.
[PPC] Remove 85xx from arch/ppc
[PPC] Remove 83xx from arch/ppc
...
Diffstat (limited to 'arch/powerpc/boot/redboot-8xx.c')
-rw-r--r-- | arch/powerpc/boot/redboot-8xx.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/powerpc/boot/redboot-8xx.c b/arch/powerpc/boot/redboot-8xx.c new file mode 100644 index 000000000000..f7945adc8004 --- /dev/null +++ b/arch/powerpc/boot/redboot-8xx.c | |||
@@ -0,0 +1,58 @@ | |||
1 | /* | ||
2 | * RedBoot firmware support | ||
3 | * | ||
4 | * Author: Scott Wood <scottwood@freescale.com> | ||
5 | * | ||
6 | * Copyright (c) 2007 Freescale Semiconductor, Inc. | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify it | ||
9 | * under the terms of the GNU General Public License version 2 as published | ||
10 | * by the Free Software Foundation. | ||
11 | */ | ||
12 | |||
13 | #include "ops.h" | ||
14 | #include "stdio.h" | ||
15 | #include "redboot.h" | ||
16 | #include "fsl-soc.h" | ||
17 | #include "io.h" | ||
18 | |||
19 | static bd_t bd; | ||
20 | BSS_STACK(4096); | ||
21 | |||
22 | #define MHZ(x) ((x + 500000) / 1000000) | ||
23 | |||
24 | static void platform_fixups(void) | ||
25 | { | ||
26 | void *node; | ||
27 | |||
28 | dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); | ||
29 | dt_fixup_mac_addresses(bd.bi_enetaddr); | ||
30 | dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq); | ||
31 | |||
32 | node = finddevice("/soc/cpm/brg"); | ||
33 | if (node) { | ||
34 | printf("BRG clock-frequency <- 0x%x (%dMHz)\r\n", | ||
35 | bd.bi_busfreq, MHZ(bd.bi_busfreq)); | ||
36 | setprop(node, "clock-frequency", &bd.bi_busfreq, 4); | ||
37 | } | ||
38 | } | ||
39 | |||
40 | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, | ||
41 | unsigned long r6, unsigned long r7) | ||
42 | { | ||
43 | memcpy(&bd, (char *)r3, sizeof(bd)); | ||
44 | |||
45 | if (bd.bi_tag != 0x42444944) | ||
46 | return; | ||
47 | |||
48 | simple_alloc_init(_end, | ||
49 | bd.bi_memstart + bd.bi_memsize - (unsigned long)_end, | ||
50 | 32, 64); | ||
51 | |||
52 | fdt_init(_dtb_start); | ||
53 | serial_console_init(); | ||
54 | platform_ops.fixups = platform_fixups; | ||
55 | |||
56 | loader_info.cmdline = (char *)bd.bi_cmdline; | ||
57 | loader_info.cmdline_len = strlen((char *)bd.bi_cmdline); | ||
58 | } | ||