git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * init.c, Common initialization routines for NEC VR4100 series. | |
| 3 | * | |
| 66a0f0f2 | 4 | * Copyright (C) 2003-2009 Yoichi Yuasa <yuasa@linux-mips.org> |
| 1da177e4 LT |
5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation; either version 2 of the License, or | |
| 9 | * (at your option) any later version. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 19 | */ | |
| 20 | #include <linux/init.h> | |
| 21 | #include <linux/ioport.h> | |
| 22 | #include <linux/irq.h> | |
| 23 | #include <linux/string.h> | |
| 24 | ||
| 25 | #include <asm/bootinfo.h> | |
| 26 | #include <asm/time.h> | |
| 66151bbd | 27 | #include <asm/vr41xx/irq.h> |
| 1da177e4 LT |
28 | #include <asm/vr41xx/vr41xx.h> |
| 29 | ||
| 30 | #define IO_MEM_RESOURCE_START 0UL | |
| 31 | #define IO_MEM_RESOURCE_END 0x1fffffffUL | |
| 32 | ||
| 33 | static void __init iomem_resource_init(void) | |
| 34 | { | |
| 35 | iomem_resource.start = IO_MEM_RESOURCE_START; | |
| 36 | iomem_resource.end = IO_MEM_RESOURCE_END; | |
| 37 | } | |
| 38 | ||
| 4b550488 | 39 | void __init plat_time_init(void) |
| 1da177e4 LT |
40 | { |
| 41 | unsigned long tclock; | |
| 42 | ||
| 991f8b6a YY |
43 | vr41xx_calculate_clock_frequency(); |
| 44 | ||
| 1da177e4 LT |
45 | tclock = vr41xx_get_tclock_frequency(); |
| 46 | if (current_cpu_data.processor_id == PRID_VR4131_REV2_0 || | |
| 47 | current_cpu_data.processor_id == PRID_VR4131_REV2_1) | |
| 48 | mips_hpt_frequency = tclock / 2; | |
| 49 | else | |
| 50 | mips_hpt_frequency = tclock / 4; | |
| 51 | } | |
| 52 | ||
| 2925aba4 | 53 | void __init plat_mem_setup(void) |
| c83cfc9c | 54 | { |
| c83cfc9c | 55 | iomem_resource_init(); |
| fc3f341b YY |
56 | |
| 57 | vr41xx_siu_setup(); | |
| c83cfc9c RB |
58 | } |
| 59 | ||
| 1da177e4 LT |
60 | void __init prom_init(void) |
| 61 | { | |
| 62 | int argc, i; | |
| 63 | char **argv; | |
| 64 | ||
| 65 | argc = fw_arg0; | |
| 66 | argv = (char **)fw_arg1; | |
| 67 | ||
| 68 | for (i = 1; i < argc; i++) { | |
| 66a0f0f2 | 69 | strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE); |
| 1da177e4 | 70 | if (i < (argc - 1)) |
| 66a0f0f2 | 71 | strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE); |
| 1da177e4 | 72 | } |
| 1da177e4 LT |
73 | } |
| 74 | ||
| c44e8d5e | 75 | void __init prom_free_prom_memory(void) |
| 1da177e4 | 76 | { |
| 1da177e4 | 77 | } |