diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/sparc/prom/misc_64.c')
-rw-r--r-- | ANDROID_3.4.5/arch/sparc/prom/misc_64.c | 451 |
1 files changed, 0 insertions, 451 deletions
diff --git a/ANDROID_3.4.5/arch/sparc/prom/misc_64.c b/ANDROID_3.4.5/arch/sparc/prom/misc_64.c deleted file mode 100644 index f178b9dc..00000000 --- a/ANDROID_3.4.5/arch/sparc/prom/misc_64.c +++ /dev/null @@ -1,451 +0,0 @@ -/* - * misc.c: Miscellaneous prom functions that don't belong - * anywhere else. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/module.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> -#include <asm/ldc.h> - -static int prom_service_exists(const char *service_name) -{ - unsigned long args[5]; - - args[0] = (unsigned long) "test"; - args[1] = 1; - args[2] = 1; - args[3] = (unsigned long) service_name; - args[4] = (unsigned long) -1; - - p1275_cmd_direct(args); - - if (args[4]) - return 0; - return 1; -} - -void prom_sun4v_guest_soft_state(void) -{ - const char *svc = "SUNW,soft-state-supported"; - unsigned long args[3]; - - if (!prom_service_exists(svc)) - return; - args[0] = (unsigned long) svc; - args[1] = 0; - args[2] = 0; - p1275_cmd_direct(args); -} - -/* Reset and reboot the machine with the command 'bcommand'. */ -void prom_reboot(const char *bcommand) -{ - unsigned long args[4]; - -#ifdef CONFIG_SUN_LDOMS - if (ldom_domaining_enabled) - ldom_reboot(bcommand); -#endif - args[0] = (unsigned long) "boot"; - args[1] = 1; - args[2] = 0; - args[3] = (unsigned long) bcommand; - - p1275_cmd_direct(args); -} - -/* Forth evaluate the expression contained in 'fstring'. */ -void prom_feval(const char *fstring) -{ - unsigned long args[5]; - - if (!fstring || fstring[0] == 0) - return; - args[0] = (unsigned long) "interpret"; - args[1] = 1; - args[2] = 1; - args[3] = (unsigned long) fstring; - args[4] = (unsigned long) -1; - - p1275_cmd_direct(args); -} -EXPORT_SYMBOL(prom_feval); - -#ifdef CONFIG_SMP -extern void smp_capture(void); -extern void smp_release(void); -#endif - -/* Drop into the prom, with the chance to continue with the 'go' - * prom command. - */ -void prom_cmdline(void) -{ - unsigned long args[3]; - unsigned long flags; - - local_irq_save(flags); - -#ifdef CONFIG_SMP - smp_capture(); -#endif - - args[0] = (unsigned long) "enter"; - args[1] = 0; - args[2] = 0; - - p1275_cmd_direct(args); - -#ifdef CONFIG_SMP - smp_release(); -#endif - - local_irq_restore(flags); -} - -/* Drop into the prom, but completely terminate the program. - * No chance of continuing. - */ -void notrace prom_halt(void) -{ - unsigned long args[3]; - -#ifdef CONFIG_SUN_LDOMS - if (ldom_domaining_enabled) - ldom_power_off(); -#endif -again: - args[0] = (unsigned long) "exit"; - args[1] = 0; - args[2] = 0; - p1275_cmd_direct(args); - goto again; /* PROM is out to get me -DaveM */ -} - -void prom_halt_power_off(void) -{ - unsigned long args[3]; - -#ifdef CONFIG_SUN_LDOMS - if (ldom_domaining_enabled) - ldom_power_off(); -#endif - args[0] = (unsigned long) "SUNW,power-off"; - args[1] = 0; - args[2] = 0; - p1275_cmd_direct(args); - - /* if nothing else helps, we just halt */ - prom_halt(); -} - -/* Get the idprom and stuff it into buffer 'idbuf'. Returns the - * format type. 'num_bytes' is the number of bytes that your idbuf - * has space for. Returns 0xff on error. - */ -unsigned char prom_get_idprom(char *idbuf, int num_bytes) -{ - int len; - - len = prom_getproplen(prom_root_node, "idprom"); - if ((len >num_bytes) || (len == -1)) - return 0xff; - if (!prom_getproperty(prom_root_node, "idprom", idbuf, num_bytes)) - return idbuf[0]; - - return 0xff; -} - -int prom_get_mmu_ihandle(void) -{ - phandle node; - int ret; - - if (prom_mmu_ihandle_cache != 0) - return prom_mmu_ihandle_cache; - - node = prom_finddevice(prom_chosen_path); - ret = prom_getint(node, prom_mmu_name); - if (ret == -1 || ret == 0) - prom_mmu_ihandle_cache = -1; - else - prom_mmu_ihandle_cache = ret; - - return ret; -} - -static int prom_get_memory_ihandle(void) -{ - static int memory_ihandle_cache; - phandle node; - int ret; - - if (memory_ihandle_cache != 0) - return memory_ihandle_cache; - - node = prom_finddevice("/chosen"); - ret = prom_getint(node, "memory"); - if (ret == -1 || ret == 0) - memory_ihandle_cache = -1; - else - memory_ihandle_cache = ret; - - return ret; -} - -/* Load explicit I/D TLB entries. */ -static long tlb_load(const char *type, unsigned long index, - unsigned long tte_data, unsigned long vaddr) -{ - unsigned long args[9]; - - args[0] = (unsigned long) prom_callmethod_name; - args[1] = 5; - args[2] = 1; - args[3] = (unsigned long) type; - args[4] = (unsigned int) prom_get_mmu_ihandle(); - args[5] = vaddr; - args[6] = tte_data; - args[7] = index; - args[8] = (unsigned long) -1; - - p1275_cmd_direct(args); - - return (long) args[8]; -} - -long prom_itlb_load(unsigned long index, - unsigned long tte_data, - unsigned long vaddr) -{ - return tlb_load("SUNW,itlb-load", index, tte_data, vaddr); -} - -long prom_dtlb_load(unsigned long index, - unsigned long tte_data, - unsigned long vaddr) -{ - return tlb_load("SUNW,dtlb-load", index, tte_data, vaddr); -} - -int prom_map(int mode, unsigned long size, - unsigned long vaddr, unsigned long paddr) -{ - unsigned long args[11]; - int ret; - - args[0] = (unsigned long) prom_callmethod_name; - args[1] = 7; - args[2] = 1; - args[3] = (unsigned long) prom_map_name; - args[4] = (unsigned int) prom_get_mmu_ihandle(); - args[5] = (unsigned int) mode; - args[6] = size; - args[7] = vaddr; - args[8] = 0; - args[9] = paddr; - args[10] = (unsigned long) -1; - - p1275_cmd_direct(args); - - ret = (int) args[10]; - if (ret == 0) - ret = -1; - return ret; -} - -void prom_unmap(unsigned long size, unsigned long vaddr) -{ - unsigned long args[7]; - - args[0] = (unsigned long) prom_callmethod_name; - args[1] = 4; - args[2] = 0; - args[3] = (unsigned long) prom_unmap_name; - args[4] = (unsigned int) prom_get_mmu_ihandle(); - args[5] = size; - args[6] = vaddr; - - p1275_cmd_direct(args); -} - -/* Set aside physical memory which is not touched or modified - * across soft resets. - */ -int prom_retain(const char *name, unsigned long size, - unsigned long align, unsigned long *paddr) -{ - unsigned long args[11]; - - args[0] = (unsigned long) prom_callmethod_name; - args[1] = 5; - args[2] = 3; - args[3] = (unsigned long) "SUNW,retain"; - args[4] = (unsigned int) prom_get_memory_ihandle(); - args[5] = align; - args[6] = size; - args[7] = (unsigned long) name; - args[8] = (unsigned long) -1; - args[9] = (unsigned long) -1; - args[10] = (unsigned long) -1; - - p1275_cmd_direct(args); - - if (args[8]) - return (int) args[8]; - - /* Next we get "phys_high" then "phys_low". On 64-bit - * the phys_high cell is don't care since the phys_low - * cell has the full value. - */ - *paddr = args[10]; - - return 0; -} - -/* Get "Unumber" string for the SIMM at the given - * memory address. Usually this will be of the form - * "Uxxxx" where xxxx is a decimal number which is - * etched into the motherboard next to the SIMM slot - * in question. - */ -int prom_getunumber(int syndrome_code, - unsigned long phys_addr, - char *buf, int buflen) -{ - unsigned long args[12]; - - args[0] = (unsigned long) prom_callmethod_name; - args[1] = 7; - args[2] = 2; - args[3] = (unsigned long) "SUNW,get-unumber"; - args[4] = (unsigned int) prom_get_memory_ihandle(); - args[5] = buflen; - args[6] = (unsigned long) buf; - args[7] = 0; - args[8] = phys_addr; - args[9] = (unsigned int) syndrome_code; - args[10] = (unsigned long) -1; - args[11] = (unsigned long) -1; - - p1275_cmd_direct(args); - - return (int) args[10]; -} - -/* Power management extensions. */ -void prom_sleepself(void) -{ - unsigned long args[3]; - - args[0] = (unsigned long) "SUNW,sleep-self"; - args[1] = 0; - args[2] = 0; - p1275_cmd_direct(args); -} - -int prom_sleepsystem(void) -{ - unsigned long args[4]; - - args[0] = (unsigned long) "SUNW,sleep-system"; - args[1] = 0; - args[2] = 1; - args[3] = (unsigned long) -1; - p1275_cmd_direct(args); - - return (int) args[3]; -} - -int prom_wakeupsystem(void) -{ - unsigned long args[4]; - - args[0] = (unsigned long) "SUNW,wakeup-system"; - args[1] = 0; - args[2] = 1; - args[3] = (unsigned long) -1; - p1275_cmd_direct(args); - - return (int) args[3]; -} - -#ifdef CONFIG_SMP -void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg) -{ - unsigned long args[6]; - - args[0] = (unsigned long) "SUNW,start-cpu"; - args[1] = 3; - args[2] = 0; - args[3] = (unsigned int) cpunode; - args[4] = pc; - args[5] = arg; - p1275_cmd_direct(args); -} - -void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg) -{ - unsigned long args[6]; - - args[0] = (unsigned long) "SUNW,start-cpu-by-cpuid"; - args[1] = 3; - args[2] = 0; - args[3] = (unsigned int) cpuid; - args[4] = pc; - args[5] = arg; - p1275_cmd_direct(args); -} - -void prom_stopcpu_cpuid(int cpuid) -{ - unsigned long args[4]; - - args[0] = (unsigned long) "SUNW,stop-cpu-by-cpuid"; - args[1] = 1; - args[2] = 0; - args[3] = (unsigned int) cpuid; - p1275_cmd_direct(args); -} - -void prom_stopself(void) -{ - unsigned long args[3]; - - args[0] = (unsigned long) "SUNW,stop-self"; - args[1] = 0; - args[2] = 0; - p1275_cmd_direct(args); -} - -void prom_idleself(void) -{ - unsigned long args[3]; - - args[0] = (unsigned long) "SUNW,idle-self"; - args[1] = 0; - args[2] = 0; - p1275_cmd_direct(args); -} - -void prom_resumecpu(int cpunode) -{ - unsigned long args[4]; - - args[0] = (unsigned long) "SUNW,resume-cpu"; - args[1] = 1; - args[2] = 0; - args[3] = (unsigned int) cpunode; - p1275_cmd_direct(args); -} -#endif |