projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * ip22-setup.c: SGI specific setup, including init of the feature struct. | |
| 3 | * | |
| 79add627 | 4 | * Copyright (C) 1996 David S. Miller (davem@davemloft.net) |
| 1da177e4 LT |
5 | * Copyright (C) 1997, 1998 Ralf Baechle (ralf@gnu.org) |
| 6 | */ | |
| 1da177e4 LT |
7 | #include <linux/init.h> |
| 8 | #include <linux/kernel.h> | |
| 9 | #include <linux/kdev_t.h> | |
| 10 | #include <linux/types.h> | |
| 1da177e4 LT |
11 | #include <linux/console.h> |
| 12 | #include <linux/sched.h> | |
| 13 | #include <linux/tty.h> | |
| 14 | ||
| 15 | #include <asm/addrspace.h> | |
| 16 | #include <asm/bcache.h> | |
| 17 | #include <asm/bootinfo.h> | |
| 18 | #include <asm/irq.h> | |
| 19 | #include <asm/reboot.h> | |
| 20 | #include <asm/time.h> | |
| 1da177e4 LT |
21 | #include <asm/io.h> |
| 22 | #include <asm/traps.h> | |
| 23 | #include <asm/sgialib.h> | |
| 24 | #include <asm/sgi/mc.h> | |
| 25 | #include <asm/sgi/hpc3.h> | |
| 26 | #include <asm/sgi/ip22.h> | |
| 27 | ||
| 1da177e4 | 28 | extern void ip22_be_init(void) __init; |
| 1da177e4 | 29 | |
| 2925aba4 | 30 | void __init plat_mem_setup(void) |
| 1da177e4 LT |
31 | { |
| 32 | char *ctype; | |
| e9feeb20 | 33 | char *cserial; |
| 1da177e4 LT |
34 | |
| 35 | board_be_init = ip22_be_init; | |
| 1da177e4 LT |
36 | |
| 37 | /* Init the INDY HPC I/O controller. Need to call this before | |
| 38 | * fucking with the memory controller because it needs to know the | |
| 39 | * boardID and whether this is a Guiness or a FullHouse machine. | |
| 40 | */ | |
| 41 | sgihpc_init(); | |
| 42 | ||
| 43 | /* Init INDY memory controller. */ | |
| 44 | sgimc_init(); | |
| 45 | ||
| 46 | #ifdef CONFIG_BOARD_SCACHE | |
| 47 | /* Now enable boardcaches, if any. */ | |
| 48 | indy_sc_init(); | |
| 49 | #endif | |
| 50 | ||
| 51 | /* Set EISA IO port base for Indigo2 | |
| 52 | * ioremap cannot fail */ | |
| 53 | set_io_port_base((unsigned long)ioremap(0x00080000, | |
| 54 | 0x1fffffff - 0x00080000)); | |
| 55 | /* ARCS console environment variable is set to "g?" for | |
| 56 | * graphics console, it is set to "d" for the first serial | |
| 57 | * line and "d2" for the second serial line. | |
| e9feeb20 RB |
58 | * |
| 59 | * Need to check if the case is 'g' but no keyboard: | |
| 60 | * (ConsoleIn/Out = serial) | |
| 1da177e4 LT |
61 | */ |
| 62 | ctype = ArcGetEnvironmentVariable("console"); | |
| e9feeb20 RB |
63 | cserial = ArcGetEnvironmentVariable("ConsoleOut"); |
| 64 | ||
| 65 | if ((ctype && *ctype == 'd') || (cserial && *cserial == 's')) { | |
| 599a8945 | 66 | static char options[8] __initdata; |
| 1da177e4 LT |
67 | char *baud = ArcGetEnvironmentVariable("dbaud"); |
| 68 | if (baud) | |
| 69 | strcpy(options, baud); | |
| 70 | add_preferred_console("ttyS", *(ctype + 1) == '2' ? 1 : 0, | |
| 71 | baud ? options : NULL); | |
| 72 | } else if (!ctype || *ctype != 'g') { | |
| e9feeb20 | 73 | /* Use ARC if we don't want serial ('d') or graphics ('g'). */ |
| 1da177e4 LT |
74 | prom_flags |= PROM_FLAG_USE_AS_CONSOLE; |
| 75 | add_preferred_console("arc", 0, NULL); | |
| 76 | } | |
| 1da177e4 | 77 | } |