diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-15 18:01:29 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-15 18:01:29 -0400 |
commit | 7e2225d860772aaa07e1cebca6a5aa6f93f9aa91 (patch) | |
tree | 8a4c3076c2043d011fcf2357835f4f16be7606a7 /arch/mips/txx9/jmr3927/prom.c | |
parent | 3a628b0fd42f7eaf9d052447784d48ceae9ffb8e (diff) | |
parent | b27418aa551a153e8bf1bd16cf93e5786f9590a9 (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (54 commits)
[MIPS] Remove mips_machtype for LASAT machines
[MIPS] Remove mips_machtype from EMMA2RH machines
[MIPS] Remove mips_machtype from ARC based machines
[MIPS] MTX-1 flash partition setup move to platform devices registration
[MIPS] TXx9: cleanup and fix some sparse warnings
[MIPS] TXx9: rename asm-mips/mach-jmr3927 to asm-mips/mach-tx39xx
[MIPS] remove machtype for group Toshiba
[MIPS] separate rbtx4927_time_init() and rbtx4937_time_init()
[MIPS] separate rbtx4927_arch_init() and rbtx4937_arch_init()
[MIPS] txx9_cpu_clock setup move to rbtx4927_time_init()
[MIPS] txx9_board_vec set directly without mips_machtype
[MIPS] IP22: Add platform device for Indy volume buttons
[MIPS] cmbvr4133: Remove support
[MIPS] remove wrppmc_machine_power_off()
[MIPS] replace inline assembler to cpu_wait()
[MIPS] IP22/28: Add platform devices for HAL2
[MIPS] TXx9: Update and merge defconfigs
[MIPS] TXx9: Make single kernel can support multiple boards
[MIPS] TXx9: Update defconfigs
[MIPS] TXx9: Reorganize PCI code
...
Diffstat (limited to 'arch/mips/txx9/jmr3927/prom.c')
-rw-r--r-- | arch/mips/txx9/jmr3927/prom.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/mips/txx9/jmr3927/prom.c b/arch/mips/txx9/jmr3927/prom.c new file mode 100644 index 000000000000..2cadb423face --- /dev/null +++ b/arch/mips/txx9/jmr3927/prom.c | |||
@@ -0,0 +1,76 @@ | |||
1 | /* | ||
2 | * BRIEF MODULE DESCRIPTION | ||
3 | * PROM library initialisation code, assuming a version of | ||
4 | * pmon is the boot code. | ||
5 | * | ||
6 | * Copyright 2001 MontaVista Software Inc. | ||
7 | * Author: MontaVista Software, Inc. | ||
8 | * ahennessy@mvista.com | ||
9 | * | ||
10 | * Based on arch/mips/au1000/common/prom.c | ||
11 | * | ||
12 | * This file was derived from Carsten Langgaard's | ||
13 | * arch/mips/mips-boards/xx files. | ||
14 | * | ||
15 | * Carsten Langgaard, carstenl@mips.com | ||
16 | * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. | ||
17 | * | ||
18 | * This program is free software; you can redistribute it and/or modify it | ||
19 | * under the terms of the GNU General Public License as published by the | ||
20 | * Free Software Foundation; either version 2 of the License, or (at your | ||
21 | * option) any later version. | ||
22 | * | ||
23 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | ||
24 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
25 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | ||
26 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
27 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
28 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | ||
29 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
30 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
31 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
32 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
33 | * | ||
34 | * You should have received a copy of the GNU General Public License along | ||
35 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
36 | * 675 Mass Ave, Cambridge, MA 02139, USA. | ||
37 | */ | ||
38 | #include <linux/init.h> | ||
39 | #include <asm/bootinfo.h> | ||
40 | #include <asm/txx9/generic.h> | ||
41 | #include <asm/txx9/jmr3927.h> | ||
42 | |||
43 | #define TIMEOUT 0xffffff | ||
44 | |||
45 | void | ||
46 | prom_putchar(char c) | ||
47 | { | ||
48 | int i = 0; | ||
49 | |||
50 | do { | ||
51 | i++; | ||
52 | if (i>TIMEOUT) | ||
53 | break; | ||
54 | } while (!(tx3927_sioptr(1)->cisr & TXx927_SICISR_TXALS)); | ||
55 | tx3927_sioptr(1)->tfifo = c; | ||
56 | return; | ||
57 | } | ||
58 | |||
59 | void | ||
60 | puts(const char *cp) | ||
61 | { | ||
62 | while (*cp) | ||
63 | prom_putchar(*cp++); | ||
64 | prom_putchar('\r'); | ||
65 | prom_putchar('\n'); | ||
66 | } | ||
67 | |||
68 | void __init jmr3927_prom_init(void) | ||
69 | { | ||
70 | /* CCFG */ | ||
71 | if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0) | ||
72 | puts("Warning: TX3927 TLB off\n"); | ||
73 | |||
74 | prom_init_cmdline(); | ||
75 | add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM); | ||
76 | } | ||