diff options
Diffstat (limited to 'arch/mips/loongson/common')
20 files changed, 97 insertions, 51 deletions
diff --git a/arch/mips/loongson/common/cmdline.c b/arch/mips/loongson/common/cmdline.c index 7ad47f22747..1a06defc4f7 100644 --- a/arch/mips/loongson/common/cmdline.c +++ b/arch/mips/loongson/common/cmdline.c @@ -10,7 +10,7 @@ * Author: Fuxin Zhang, zhangfx@lemote.com * * Copyright (C) 2009 Lemote Inc. - * Author: Wu Zhangjin, wuzj@lemote.com + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -21,12 +21,11 @@ #include <loongson.h> -int prom_argc; -/* pmon passes arguments in 32bit pointers */ -int *_prom_argv; - void __init prom_init_cmdline(void) { + int prom_argc; + /* pmon passes arguments in 32bit pointers */ + int *_prom_argv; int i; long l; diff --git a/arch/mips/loongson/common/cs5536/cs5536_acc.c b/arch/mips/loongson/common/cs5536/cs5536_acc.c index b49485f187e..b3fd5eab654 100644 --- a/arch/mips/loongson/common/cs5536/cs5536_acc.c +++ b/arch/mips/loongson/common/cs5536/cs5536_acc.c @@ -5,7 +5,7 @@ * Author : jlliu, liujl@lemote.com * * Copyright (C) 2009 Lemote, Inc. - * Author: Wu Zhangjin, wuzj@lemote.com + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/loongson/common/cs5536/cs5536_ehci.c b/arch/mips/loongson/common/cs5536/cs5536_ehci.c index 74f9c59d36a..eaf8b86e331 100644 --- a/arch/mips/loongson/common/cs5536/cs5536_ehci.c +++ b/arch/mips/loongson/common/cs5536/cs5536_ehci.c @@ -5,7 +5,7 @@ * Author : jlliu, liujl@lemote.com * * Copyright (C) 2009 Lemote, Inc. - * Author: Wu Zhangjin, wuzj@lemote.com + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/loongson/common/cs5536/cs5536_ide.c b/arch/mips/loongson/common/cs5536/cs5536_ide.c index 3f61594b388..9a96b5664c7 100644 --- a/arch/mips/loongson/common/cs5536/cs5536_ide.c +++ b/arch/mips/loongson/common/cs5536/cs5536_ide.c @@ -5,7 +5,7 @@ * Author : jlliu, liujl@lemote.com * * Copyright (C) 2009 Lemote, Inc. - * Author: Wu Zhangjin, wuzj@lemote.com + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/loongson/common/cs5536/cs5536_isa.c b/arch/mips/loongson/common/cs5536/cs5536_isa.c index b6f17f538e4..f5c0818831b 100644 --- a/arch/mips/loongson/common/cs5536/cs5536_isa.c +++ b/arch/mips/loongson/common/cs5536/cs5536_isa.c @@ -5,7 +5,7 @@ * Author : jlliu, liujl@lemote.com * * Copyright (C) 2009 Lemote, Inc. - * Author: Wu Zhangjin, wuzj@lemote.com + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c index 6cb44dbaeec..8c807c96519 100644 --- a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c +++ b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c @@ -5,7 +5,7 @@ * Author: Yanhua, yanh@lemote.com * * Copyright (C) 2009 Lemote Inc. - * Author: Wu zhangjin, wuzj@lemote.com + * Author: Wu zhangjin, wuzhangjin@gmail.com * * Reference: AMD Geode(TM) CS5536 Companion Device Data Book * diff --git a/arch/mips/loongson/common/cs5536/cs5536_ohci.c b/arch/mips/loongson/common/cs5536/cs5536_ohci.c index 8fdb02b6e90..db5900aadd6 100644 --- a/arch/mips/loongson/common/cs5536/cs5536_ohci.c +++ b/arch/mips/loongson/common/cs5536/cs5536_ohci.c @@ -5,7 +5,7 @@ * Author : jlliu, liujl@lemote.com * * Copyright (C) 2009 Lemote, Inc. - * Author: Wu Zhangjin, wuzj@lemote.com + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/loongson/common/cs5536/cs5536_pci.c b/arch/mips/loongson/common/cs5536/cs5536_pci.c index e23f3d7d2c1..6dfeab11af0 100644 --- a/arch/mips/loongson/common/cs5536/cs5536_pci.c +++ b/arch/mips/loongson/common/cs5536/cs5536_pci.c @@ -5,7 +5,7 @@ * Author : jlliu, liujl@lemote.com * * Copyright (C) 2009 Lemote, Inc. - * Author: Wu Zhangjin, wuzj@lemote.com + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/loongson/common/early_printk.c b/arch/mips/loongson/common/early_printk.c index 23e7a8f8897..a71736f0044 100644 --- a/arch/mips/loongson/common/early_printk.c +++ b/arch/mips/loongson/common/early_printk.c @@ -2,7 +2,7 @@ * * Copyright (c) 2009 Philippe Vachon <philippe@cowpig.ca> * Copyright (c) 2009 Lemote Inc. - * Author: Wu Zhangjin, wuzj@lemote.com + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/loongson/common/env.c b/arch/mips/loongson/common/env.c index 196d947d929..ae4cff97a56 100644 --- a/arch/mips/loongson/common/env.c +++ b/arch/mips/loongson/common/env.c @@ -9,8 +9,8 @@ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * - * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology - * Author: Wu Zhangjin, wuzj@lemote.com + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -23,13 +23,10 @@ #include <loongson.h> -unsigned long bus_clock, cpu_clock_freq; +unsigned long cpu_clock_freq; EXPORT_SYMBOL(cpu_clock_freq); unsigned long memsize, highmemsize; -/* pmon passes arguments in 32bit pointers */ -int *_prom_envp; - #define parse_even_earlier(res, option, p) \ do { \ if (strncmp(option, (char *)p, strlen(option)) == 0) \ @@ -39,6 +36,10 @@ do { \ void __init prom_init_env(void) { + /* pmon passes arguments in 32bit pointers */ + int *_prom_envp; + unsigned long bus_clock; + unsigned int processor_id; long l; /* firmware arguments are initialized in head.S */ @@ -55,6 +56,22 @@ void __init prom_init_env(void) } if (memsize == 0) memsize = 256; + if (bus_clock == 0) + bus_clock = 66000000; + if (cpu_clock_freq == 0) { + processor_id = (¤t_cpu_data)->processor_id; + switch (processor_id & PRID_REV_MASK) { + case PRID_REV_LOONGSON2E: + cpu_clock_freq = 533080000; + break; + case PRID_REV_LOONGSON2F: + cpu_clock_freq = 797000000; + break; + default: + cpu_clock_freq = 100000000; + break; + } + } pr_info("busclock=%ld, cpuclock=%ld, memsize=%ld, highmemsize=%ld\n", bus_clock, cpu_clock_freq, memsize, highmemsize); diff --git a/arch/mips/loongson/common/init.c b/arch/mips/loongson/common/init.c index a2abd935573..19d34159125 100644 --- a/arch/mips/loongson/common/init.c +++ b/arch/mips/loongson/common/init.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2009 Lemote Inc. - * Author: Wu Zhangjin, wuzj@lemote.com + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/loongson/common/machtype.c b/arch/mips/loongson/common/machtype.c index 0ed52b3f531..81fbe6b73f9 100644 --- a/arch/mips/loongson/common/machtype.c +++ b/arch/mips/loongson/common/machtype.c @@ -1,6 +1,6 @@ /* - * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology - * Author: Wu Zhangjin, wuzj@lemote.com + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * Copyright (c) 2009 Zhang Le <r0bertz@gentoo.org> * @@ -24,7 +24,7 @@ static const char *system_types[] = { [MACH_LEMOTE_FL2F] "lemote-fuloong-2f-box", [MACH_LEMOTE_ML2F7] "lemote-mengloong-2f-7inches", [MACH_LEMOTE_YL2F89] "lemote-yeeloong-2f-8.9inches", - [MACH_DEXXON_GDIUM2F10] "dexxon-gidum-2f-10inches", + [MACH_DEXXON_GDIUM2F10] "dexxon-gdium-2f", [MACH_LEMOTE_NAS] "lemote-nas-2f", [MACH_LEMOTE_LL2F] "lemote-lynloong-2f", [MACH_LOONGSON_END] NULL, @@ -35,6 +35,10 @@ const char *get_system_type(void) return system_types[mips_machtype]; } +void __weak __init mach_prom_init_machtype(void) +{ +} + void __init prom_init_machtype(void) { char *p, str[MACHTYPE_LEN]; @@ -43,8 +47,10 @@ void __init prom_init_machtype(void) mips_machtype = LOONGSON_MACHTYPE; p = strstr(arcs_cmdline, "machtype="); - if (!p) + if (!p) { + mach_prom_init_machtype(); return; + } p += strlen("machtype="); strncpy(str, p, MACHTYPE_LEN); p = strstr(str, " "); diff --git a/arch/mips/loongson/common/mem.c b/arch/mips/loongson/common/mem.c index ceacd092b44..30eba600120 100644 --- a/arch/mips/loongson/common/mem.c +++ b/arch/mips/loongson/common/mem.c @@ -16,10 +16,11 @@ void __init prom_init_memory(void) { - add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM); + add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM); + + add_memory_region(memsize << 20, LOONGSON_PCI_MEM_START - (memsize << + 20), BOOT_MEM_RESERVED); - add_memory_region(memsize << 20, LOONGSON_PCI_MEM_START - (memsize << - 20), BOOT_MEM_RESERVED); #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG { int bit; @@ -74,7 +75,7 @@ pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long end = offset + size; if (__uncached_access(file, offset)) { - if (((uca_start && offset) >= uca_start) && + if (uca_start && (offset >= uca_start) && (end <= uca_end)) return __pgprot((pgprot_val(vma_prot) & ~_CACHE_MASK) | @@ -95,7 +96,7 @@ static int __init find_vga_mem_init(void) return 0; for_each_pci_dev(dev) { - if ((dev->class >> 8) == PCI_CLASS_DISPLAY_VGA) { + if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) { for (idx = 0; idx < PCI_NUM_RESOURCES; idx++) { r = &dev->resource[idx]; if (!r->start && r->end) diff --git a/arch/mips/loongson/common/platform.c b/arch/mips/loongson/common/platform.c index be81777eb94..ed007a2e0e1 100644 --- a/arch/mips/loongson/common/platform.c +++ b/arch/mips/loongson/common/platform.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2009 Lemote Inc. - * Author: Wu Zhangjin, wuzj@lemote.com + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/loongson/common/pm.c b/arch/mips/loongson/common/pm.c index b625fec8a4d..6c1fd900171 100644 --- a/arch/mips/loongson/common/pm.c +++ b/arch/mips/loongson/common/pm.c @@ -2,7 +2,7 @@ * loongson-specific suspend support * * Copyright (C) 2009 Lemote Inc. - * Author: Wu Zhangjin <wuzj@lemote.com> + * Author: Wu Zhangjin <wuzhangjin@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/loongson/common/reset.c b/arch/mips/loongson/common/reset.c index d57f1719da9..9e10d6225d9 100644 --- a/arch/mips/loongson/common/reset.c +++ b/arch/mips/loongson/common/reset.c @@ -6,8 +6,8 @@ * * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com - * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology - * Author: Zhangjin Wu, wuzj@lemote.com + * Copyright (C) 2009 Lemote, Inc. + * Author: Zhangjin Wu, wuzhangjin@gmail.com */ #include <linux/init.h> #include <linux/pm.h> @@ -16,27 +16,53 @@ #include <loongson.h> +static inline void loongson_reboot(void) +{ +#ifndef CONFIG_CPU_JUMP_WORKAROUNDS + ((void (*)(void))ioremap_nocache(LOONGSON_BOOT_BASE, 4)) (); +#else + void (*func)(void); + + func = (void *)ioremap_nocache(LOONGSON_BOOT_BASE, 4); + + __asm__ __volatile__( + " .set noat \n" + " jr %[func] \n" + " .set at \n" + : /* No outputs */ + : [func] "r" (func)); +#endif +} + static void loongson_restart(char *command) { /* do preparation for reboot */ mach_prepare_reboot(); /* reboot via jumping to boot base address */ - ((void (*)(void))ioremap_nocache(LOONGSON_BOOT_BASE, 4)) (); + loongson_reboot(); } -static void loongson_halt(void) +static void loongson_poweroff(void) { mach_prepare_shutdown(); - while (1) - ; + unreachable(); +} + +static void loongson_halt(void) +{ + pr_notice("\n\n** You can safely turn off the power now **\n\n"); + while (1) { + if (cpu_wait) + cpu_wait(); + } } static int __init mips_reboot_setup(void) { _machine_restart = loongson_restart; _machine_halt = loongson_halt; - pm_power_off = loongson_halt; + pm_power_off = loongson_poweroff; return 0; } diff --git a/arch/mips/loongson/common/serial.c b/arch/mips/loongson/common/serial.c index 23b66a5f88c..7580873143c 100644 --- a/arch/mips/loongson/common/serial.c +++ b/arch/mips/loongson/common/serial.c @@ -7,7 +7,7 @@ * * Copyright (C) 2009 Lemote, Inc. * Author: Yan hua (yanhua@lemote.com) - * Author: Wu Zhangjin (wuzj@lemote.com) + * Author: Wu Zhangjin (wuzhangjin@gmail.com) */ #include <linux/io.h> diff --git a/arch/mips/loongson/common/setup.c b/arch/mips/loongson/common/setup.c index 4cd2aa9a342..27d826bc710 100644 --- a/arch/mips/loongson/common/setup.c +++ b/arch/mips/loongson/common/setup.c @@ -41,15 +41,12 @@ void __init plat_mem_setup(void) conswitchp = &vga_con; screen_info = (struct screen_info) { - 0, 25, /* orig-x, orig-y */ - 0, /* unused */ - 0, /* orig-video-page */ - 0, /* orig-video-mode */ - 80, /* orig-video-cols */ - 0, 0, 0, /* ega_ax, ega_bx, ega_cx */ - 25, /* orig-video-lines */ - VIDEO_TYPE_VGAC, /* orig-video-isVGA */ - 16 /* orig-video-points */ + .orig_x = 0, + .orig_y = 25, + .orig_video_cols = 80, + .orig_video_lines = 25, + .orig_video_isVGA = VIDEO_TYPE_VGAC, + .orig_video_points = 16, }; #elif defined(CONFIG_DUMMY_CONSOLE) conswitchp = &dummy_con; diff --git a/arch/mips/loongson/common/time.c b/arch/mips/loongson/common/time.c index 35f0b66a94f..9fdd01f6c56 100644 --- a/arch/mips/loongson/common/time.c +++ b/arch/mips/loongson/common/time.c @@ -2,8 +2,8 @@ * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * - * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology - * Author: Wu Zhangjin, wuzj@lemote.com + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/loongson/common/uart_base.c b/arch/mips/loongson/common/uart_base.c index 78ff66ae749..d69ea54bc3d 100644 --- a/arch/mips/loongson/common/uart_base.c +++ b/arch/mips/loongson/common/uart_base.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2009 Lemote Inc. - * Author: Wu Zhangjin, wuzj@lemote.com + * Author: Wu Zhangjin, wuzhangjin@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the |