projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * Setup pointers to hardware dependent routines. | |
| 3 | * | |
| 4 | * This file is subject to the terms and conditions of the GNU General Public | |
| 5 | * License. See the file "COPYING" in the main directory of this archive | |
| 6 | * for more details. | |
| 7 | * | |
| fcdb27ad | 8 | * Copyright (C) 1996, 1997, 2004, 05 by Ralf Baechle (ralf@linux-mips.org) |
| 1da177e4 LT |
9 | * Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv) |
| 10 | * | |
| 11 | */ | |
| 1da177e4 | 12 | #include <linux/init.h> |
| 1097c6ac YY |
13 | #include <linux/interrupt.h> |
| 14 | #include <linux/io.h> | |
| 15 | #include <linux/ioport.h> | |
| e7ae8d17 | 16 | #include <linux/memblock.h> |
| fcdb27ad | 17 | #include <linux/pm.h> |
| 1da177e4 LT |
18 | |
| 19 | #include <asm/bootinfo.h> | |
| 1da177e4 | 20 | #include <asm/reboot.h> |
| 8a8594a7 | 21 | #include <asm/setup.h> |
| 1da177e4 LT |
22 | #include <asm/gt64120.h> |
| 23 | ||
| cc50b67d | 24 | #include <cobalt.h> |
| 1da177e4 LT |
25 | |
| 26 | extern void cobalt_machine_restart(char *command); | |
| 27 | extern void cobalt_machine_halt(void); | |
| 1da177e4 | 28 | |
| 1da177e4 LT |
29 | const char *get_system_type(void) |
| 30 | { | |
| c4ed38a0 RB |
31 | switch (cobalt_board_id) { |
| 32 | case COBALT_BRD_ID_QUBE1: | |
| 33 | return "Cobalt Qube"; | |
| 34 | case COBALT_BRD_ID_RAQ1: | |
| 35 | return "Cobalt RaQ"; | |
| 36 | case COBALT_BRD_ID_QUBE2: | |
| 37 | return "Cobalt Qube2"; | |
| 38 | case COBALT_BRD_ID_RAQ2: | |
| 39 | return "Cobalt RaQ2"; | |
| 40 | } | |
| 1da177e4 LT |
41 | return "MIPS Cobalt"; |
| 42 | } | |
| 43 | ||
| 47d7c44b YY |
44 | /* |
| 45 | * Cobalt doesn't have PS/2 keyboard/mouse interfaces, | |
| b73989db AG |
46 | * keyboard controller is never used. |
| 47 | * Also PCI-ISA bridge DMA controller is never used. | |
| 47d7c44b YY |
48 | */ |
| 49 | static struct resource cobalt_reserved_resources[] = { | |
| 50 | { /* dma1 */ | |
| 5e46c3ae RB |
51 | .start = 0x00, |
| 52 | .end = 0x1f, | |
| 47d7c44b YY |
53 | .name = "reserved", |
| 54 | .flags = IORESOURCE_BUSY | IORESOURCE_IO, | |
| 55 | }, | |
| 56 | { /* keyboard */ | |
| 5e46c3ae RB |
57 | .start = 0x60, |
| 58 | .end = 0x6f, | |
| 47d7c44b YY |
59 | .name = "reserved", |
| 60 | .flags = IORESOURCE_BUSY | IORESOURCE_IO, | |
| 61 | }, | |
| 62 | { /* dma page reg */ | |
| 5e46c3ae RB |
63 | .start = 0x80, |
| 64 | .end = 0x8f, | |
| 47d7c44b YY |
65 | .name = "reserved", |
| 66 | .flags = IORESOURCE_BUSY | IORESOURCE_IO, | |
| 67 | }, | |
| 68 | { /* dma2 */ | |
| 5e46c3ae RB |
69 | .start = 0xc0, |
| 70 | .end = 0xdf, | |
| 47d7c44b YY |
71 | .name = "reserved", |
| 72 | .flags = IORESOURCE_BUSY | IORESOURCE_IO, | |
| 5e46c3ae | 73 | }, |
| 1da177e4 LT |
74 | }; |
| 75 | ||
| 2925aba4 | 76 | void __init plat_mem_setup(void) |
| 1da177e4 | 77 | { |
| 1da177e4 LT |
78 | int i; |
| 79 | ||
| 80 | _machine_restart = cobalt_machine_restart; | |
| 81 | _machine_halt = cobalt_machine_halt; | |
| f13558c2 | 82 | pm_power_off = cobalt_machine_halt; |
| 1da177e4 | 83 | |
| 56ae5833 | 84 | set_io_port_base(CKSEG1ADDR(GT_DEF_PCI0_IO_BASE)); |
| c4ed38a0 | 85 | |
| b5d5accc YY |
86 | /* I/O port resource */ |
| 87 | ioport_resource.end = 0x01ffffff; | |
| 1da177e4 | 88 | |
| 47d7c44b YY |
89 | /* These resources have been reserved by VIA SuperI/O chip. */ |
| 90 | for (i = 0; i < ARRAY_SIZE(cobalt_reserved_resources); i++) | |
| 91 | request_resource(&ioport_resource, cobalt_reserved_resources + i); | |
| 1da177e4 LT |
92 | } |
| 93 | ||
| 1da177e4 LT |
94 | /* |
| 95 | * Prom init. We read our one and only communication with the firmware. | |
| c4ed38a0 RB |
96 | * Grab the amount of installed memory. |
| 97 | * Better boot loaders (CoLo) pass a command line too :-) | |
| 1da177e4 LT |
98 | */ |
| 99 | ||
| 100 | void __init prom_init(void) | |
| 101 | { | |
| c4ed38a0 | 102 | unsigned long memsz; |
| 0833c76b | 103 | int argc, i; |
| c4ed38a0 | 104 | char **argv; |
| 1da177e4 | 105 | |
| c4ed38a0 | 106 | memsz = fw_arg0 & 0x7fff0000; |
| 0833c76b YY |
107 | argc = fw_arg0 & 0x0000ffff; |
| 108 | argv = (char **)fw_arg1; | |
| 109 | ||
| 110 | for (i = 1; i < argc; i++) { | |
| 111 | strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE); | |
| 112 | if (i < (argc - 1)) | |
| 113 | strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE); | |
| c4ed38a0 RB |
114 | } |
| 115 | ||
| e7ae8d17 | 116 | memblock_add(0, memsz); |
| 8a8594a7 YY |
117 | |
| 118 | setup_8250_early_printk_port(CKSEG1ADDR(0x1c800000), 0, 0); | |
| 1da177e4 | 119 | } |