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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-12 00:55:47 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-12 00:55:47 -0400
commite86908614f2c7fec401827e5cefd7a6ea9407f85 (patch)
treefcb5d9e52422b37bdaf0e647126ebdfc1680f162 /arch/powerpc/boot/cuboot-52xx.c
parent547307420931344a868275bd7ea7a30f117a15a9 (diff)
parent9b4b8feb962f4b3e74768b7205f1f8f6cce87238 (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.c59
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
22static bd_t bd;
23
24static 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*)&reg, 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
52void 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}