diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-12 00:55:47 -0400 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-12 00:55:47 -0400 |
commit | e86908614f2c7fec401827e5cefd7a6ea9407f85 (patch) | |
tree | fcb5d9e52422b37bdaf0e647126ebdfc1680f162 /arch/powerpc/boot/cuboot-52xx.c | |
parent | 547307420931344a868275bd7ea7a30f117a15a9 (diff) | |
parent | 9b4b8feb962f4b3e74768b7205f1f8f6cce87238 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (408 commits)
[POWERPC] Add memchr() to the bootwrapper
[POWERPC] Implement logging of unhandled signals
[POWERPC] Add legacy serial support for OPB with flattened device tree
[POWERPC] Use 1TB segments
[POWERPC] XilinxFB: Allow fixed framebuffer base address
[POWERPC] XilinxFB: Add support for custom screen resolution
[POWERPC] XilinxFB: Use pdata to pass around framebuffer parameters
[POWERPC] PCI: Add 64-bit physical address support to setup_indirect_pci
[POWERPC] 4xx: Kilauea defconfig file
[POWERPC] 4xx: Kilauea DTS
[POWERPC] 4xx: Add AMCC Kilauea eval board support to platforms/40x
[POWERPC] 4xx: Add AMCC 405EX support to cputable.c
[POWERPC] Adjust TASK_SIZE on ppc32 systems to 3GB that are capable
[POWERPC] Use PAGE_OFFSET to tell if an address is user/kernel in SW TLB handlers
[POWERPC] 85xx: Enable FP emulation in MPC8560 ADS defconfig
[POWERPC] 85xx: Killed <asm/mpc85xx.h>
[POWERPC] 85xx: Add cpm nodes for 8541/8555 CDS
[POWERPC] 85xx: Convert mpc8560ads to the new CPM binding.
[POWERPC] mpc8272ads: Remove muram from the CPM reg property.
[POWERPC] Make clockevents work on PPC601 processors
...
Fixed up conflict in Documentation/powerpc/booting-without-of.txt manually.
Diffstat (limited to 'arch/powerpc/boot/cuboot-52xx.c')
-rw-r--r-- | arch/powerpc/boot/cuboot-52xx.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/powerpc/boot/cuboot-52xx.c b/arch/powerpc/boot/cuboot-52xx.c new file mode 100644 index 000000000000..9256a26d40e4 --- /dev/null +++ b/arch/powerpc/boot/cuboot-52xx.c | |||
@@ -0,0 +1,59 @@ | |||
1 | /* | ||
2 | * Old U-boot compatibility for MPC5200 | ||
3 | * | ||
4 | * Author: Grant Likely <grant.likely@secretlab.ca> | ||
5 | * | ||
6 | * Copyright (c) 2007 Secret Lab Technologies Ltd. | ||
7 | * Copyright (c) 2007 Freescale Semiconductor, Inc. | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify it | ||
10 | * under the terms of the GNU General Public License version 2 as published | ||
11 | * by the Free Software Foundation. | ||
12 | */ | ||
13 | |||
14 | #include "ops.h" | ||
15 | #include "stdio.h" | ||
16 | #include "io.h" | ||
17 | #include "cuboot.h" | ||
18 | |||
19 | #define TARGET_PPC_MPC52xx | ||
20 | #include "ppcboot.h" | ||
21 | |||
22 | static bd_t bd; | ||
23 | |||
24 | static void platform_fixups(void) | ||
25 | { | ||
26 | void *soc, *reg; | ||
27 | int div; | ||
28 | u32 sysfreq; | ||
29 | |||
30 | |||
31 | dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); | ||
32 | dt_fixup_mac_addresses(bd.bi_enetaddr); | ||
33 | dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq); | ||
34 | |||
35 | /* Unfortunately, the specific model number is encoded in the | ||
36 | * soc node name in existing dts files -- once that is fixed, | ||
37 | * this can do a simple path lookup. | ||
38 | */ | ||
39 | soc = find_node_by_devtype(NULL, "soc"); | ||
40 | if (soc) { | ||
41 | setprop(soc, "bus-frequency", &bd.bi_ipbfreq, | ||
42 | sizeof(bd.bi_ipbfreq)); | ||
43 | |||
44 | if (!dt_xlate_reg(soc, 0, (void*)®, NULL)) | ||
45 | return; | ||
46 | div = in_8(reg + 0x204) & 0x0020 ? 8 : 4; | ||
47 | sysfreq = bd.bi_busfreq * div; | ||
48 | setprop(soc, "system-frequency", &sysfreq, sizeof(sysfreq)); | ||
49 | } | ||
50 | } | ||
51 | |||
52 | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, | ||
53 | unsigned long r6, unsigned long r7) | ||
54 | { | ||
55 | CUBOOT_INIT(); | ||
56 | ft_init(_dtb_start, _dtb_end - _dtb_start, 32); | ||
57 | serial_console_init(); | ||
58 | platform_ops.fixups = platform_fixups; | ||
59 | } | ||