diff options
Diffstat (limited to 'arch/mips/momentum/jaguar_atx/prom.c')
| -rw-r--r-- | arch/mips/momentum/jaguar_atx/prom.c | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/arch/mips/momentum/jaguar_atx/prom.c b/arch/mips/momentum/jaguar_atx/prom.c deleted file mode 100644 index 5dd154ee58f..00000000000 --- a/arch/mips/momentum/jaguar_atx/prom.c +++ /dev/null @@ -1,210 +0,0 @@ -/* - * Copyright 2002 Momentum Computer Inc. - * Author: Matthew Dharm <mdharm@momenco.com> - * - * Louis Hamilton, Red Hat, Inc. - * hamilton@redhat.com [MIPS64 modifications] - * - * Based on Ocelot Linux port, which is - * Copyright 2001 MontaVista Software Inc. - * Author: jsun@mvista.com or jsun@junsun.net - * - * 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 - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * Added changes for SMP - Manish Lachwani (lachwani@pmc-sierra.com) - */ -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/bootmem.h> -#include <linux/mv643xx.h> - -#include <asm/addrspace.h> -#include <asm/bootinfo.h> -#include <asm/pmon.h> - -#include "jaguar_atx_fpga.h" - -extern void ja_setup_console(void); - -struct callvectors *debug_vectors; - -extern unsigned long cpu_clock; - -const char *get_system_type(void) -{ - return "Momentum Jaguar-ATX"; -} - -#ifdef CONFIG_64BIT - -unsigned long signext(unsigned long addr) -{ - addr &= 0xffffffff; - return (unsigned long)((int)addr); -} - -void *get_arg(unsigned long args, int arc) -{ - unsigned long ul; - unsigned char *puc, uc; - - args += (arc * 4); - ul = (unsigned long)signext(args); - puc = (unsigned char *)ul; - if (puc == 0) - return (void *)0; - -#ifdef CONFIG_CPU_LITTLE_ENDIAN - uc = *puc++; - l = (unsigned long)uc; - uc = *puc++; - ul |= (((unsigned long)uc) << 8); - uc = *puc++; - ul |= (((unsigned long)uc) << 16); - uc = *puc++; - ul |= (((unsigned long)uc) << 24); -#else - uc = *puc++; - ul = ((unsigned long)uc) << 24; - uc = *puc++; - ul |= (((unsigned long)uc) << 16); - uc = *puc++; - ul |= (((unsigned long)uc) << 8); - uc = *puc++; - ul |= ((unsigned long)uc); -#endif - ul = signext(ul); - - return (void *)ul; -} - -char *arg64(unsigned long addrin, int arg_index) -{ - unsigned long args; - char *p; - - args = signext(addrin); - p = (char *)get_arg(args, arg_index); - - return p; -} -#endif /* CONFIG_64BIT */ - -/* PMON passes arguments in C main() style */ -void __init prom_init(void) -{ - int argc = fw_arg0; - char **arg = (char **) fw_arg1; - char **env = (char **) fw_arg2; - struct callvectors *cv = (struct callvectors *) fw_arg3; - int i; - -#ifdef CONFIG_SERIAL_8250_CONSOLE -// ja_setup_console(); /* The very first thing. */ -#endif - -#ifdef CONFIG_64BIT - char *ptr; - - printk("Mips64 Jaguar-ATX\n"); - /* save the PROM vectors for debugging use */ - debug_vectors = (struct callvectors *)signext((unsigned long)cv); - - /* arg[0] is "g", the rest is boot parameters */ - arcs_cmdline[0] = '\0'; - - for (i = 1; i < argc; i++) { - ptr = (char *)arg64((unsigned long)arg, i); - if ((strlen(arcs_cmdline) + strlen(ptr) + 1) >= - sizeof(arcs_cmdline)) - break; - strcat(arcs_cmdline, ptr); - strcat(arcs_cmdline, " "); - } - - i = 0; - while (1) { - ptr = (char *)arg64((unsigned long)env, i); - if (! ptr) - break; - - if (strncmp("gtbase", ptr, strlen("gtbase")) == 0) { - marvell_base = simple_strtol(ptr + strlen("gtbase="), - NULL, 16); - - if ((marvell_base & 0xffffffff00000000) == 0) - marvell_base |= 0xffffffff00000000; - - printk("marvell_base set to 0x%016lx\n", marvell_base); - } - if (strncmp("cpuclock", ptr, strlen("cpuclock")) == 0) { - cpu_clock = simple_strtol(ptr + strlen("cpuclock="), - NULL, 10); - printk("cpu_clock set to %d\n", cpu_clock); - } - i++; - } - printk("arcs_cmdline: %s\n", arcs_cmdline); - -#else /* CONFIG_64BIT */ - /* save the PROM vectors for debugging use */ - debug_vectors = cv; - - /* arg[0] is "g", the rest is boot parameters */ - arcs_cmdline[0] = '\0'; - for (i = 1; i < argc; i++) { - if (strlen(arcs_cmdline) + strlen(arg[i] + 1) - >= sizeof(arcs_cmdline)) - break; - strcat(arcs_cmdline, arg[i]); - strcat(arcs_cmdline, " "); - } - - while (*env) { - if (strncmp("gtbase", *env, strlen("gtbase")) == 0) { - marvell_base = simple_strtol(*env + strlen("gtbase="), - NULL, 16); - } - if (strncmp("cpuclock", *env, strlen("cpuclock")) == 0) { - cpu_clock = simple_strtol(*env + strlen("cpuclock="), - NULL, 10); - } - env++; - } -#endif /* CONFIG_64BIT */ - mips_machgroup = MACH_GROUP_MOMENCO; - mips_machtype = MACH_MOMENCO_JAGUAR_ATX; -} - -void __init prom_free_prom_memory(void) -{ -} - -void __init prom_fixup_mem_map(unsigned long start, unsigned long end) -{ -} - -int prom_boot_secondary(int cpu, unsigned long sp, unsigned long gp) -{ - /* Clear the semaphore */ - *(volatile uint32_t *)(0xbb000a68) = 0x80000000; - - return 1; -} - -void prom_init_secondary(void) -{ - clear_c0_config(CONF_CM_CMASK); - set_c0_config(0x2); - - clear_c0_status(ST0_IM); - set_c0_status(0x1ffff); -} - -void prom_smp_finish(void) -{ -} |