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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-30 21:37:27 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-30 21:37:27 -0500
commit8af03e782cae1e0a0f530ddd22301cdd12cf9dc0 (patch)
treec4af13a38bd3cc1a811a37f2358491f171052070 /arch/powerpc/boot/redboot-8xx.c
parent6232665040f9a23fafd9d94d4ae8d5a2dc850f65 (diff)
parent99e139126ab2e84be67969650f92eb37c12ab5cd (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.c58
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
19static bd_t bd;
20BSS_STACK(4096);
21
22#define MHZ(x) ((x + 500000) / 1000000)
23
24static 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
40void 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}