diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/m68k/sun3/config.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/m68k/sun3/config.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/ANDROID_3.4.5/arch/m68k/sun3/config.c b/ANDROID_3.4.5/arch/m68k/sun3/config.c deleted file mode 100644 index 2ca25bd0..00000000 --- a/ANDROID_3.4.5/arch/m68k/sun3/config.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * linux/arch/m68k/sun3/config.c - * - * Copyright (C) 1996,1997 Pekka Pietik{inen - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/seq_file.h> -#include <linux/tty.h> -#include <linux/console.h> -#include <linux/init.h> -#include <linux/bootmem.h> - -#include <asm/oplib.h> -#include <asm/setup.h> -#include <asm/contregs.h> -#include <asm/movs.h> -#include <asm/pgtable.h> -#include <asm/pgalloc.h> -#include <asm/sun3-head.h> -#include <asm/sun3mmu.h> -#include <asm/rtc.h> -#include <asm/machdep.h> -#include <asm/idprom.h> -#include <asm/intersil.h> -#include <asm/irq.h> -#include <asm/sections.h> -#include <asm/segment.h> -#include <asm/sun3ints.h> - -char sun3_reserved_pmeg[SUN3_PMEGS_NUM]; - -extern unsigned long sun3_gettimeoffset(void); -static void sun3_sched_init(irq_handler_t handler); -extern void sun3_get_model (char* model); -extern int sun3_hwclk(int set, struct rtc_time *t); - -volatile char* clock_va; -extern unsigned long availmem; -unsigned long num_pages; - -static void sun3_get_hardware_list(struct seq_file *m) -{ - seq_printf(m, "PROM Revision:\t%s\n", romvec->pv_monid); -} - -void __init sun3_init(void) -{ - unsigned char enable_register; - int i; - - m68k_machtype= MACH_SUN3; - m68k_cputype = CPU_68020; - m68k_fputype = FPU_68881; /* mc68881 actually */ - m68k_mmutype = MMU_SUN3; - clock_va = (char *) 0xfe06000; /* dark */ - sun3_intreg = (unsigned char *) 0xfe0a000; /* magic */ - sun3_disable_interrupts(); - - prom_init((void *)LINUX_OPPROM_BEGVM); - - GET_CONTROL_BYTE(AC_SENABLE,enable_register); - enable_register |= 0x50; /* Enable FPU */ - SET_CONTROL_BYTE(AC_SENABLE,enable_register); - GET_CONTROL_BYTE(AC_SENABLE,enable_register); - - /* This code looks suspicious, because it doesn't subtract - memory belonging to the kernel from the available space */ - - - memset(sun3_reserved_pmeg, 0, sizeof(sun3_reserved_pmeg)); - - /* Reserve important PMEGS */ - /* FIXME: These should be probed instead of hardcoded */ - - for (i=0; i<8; i++) /* Kernel PMEGs */ - sun3_reserved_pmeg[i] = 1; - - sun3_reserved_pmeg[247] = 1; /* ROM mapping */ - sun3_reserved_pmeg[248] = 1; /* AMD Ethernet */ - sun3_reserved_pmeg[251] = 1; /* VB area */ - sun3_reserved_pmeg[254] = 1; /* main I/O */ - - sun3_reserved_pmeg[249] = 1; - sun3_reserved_pmeg[252] = 1; - sun3_reserved_pmeg[253] = 1; - set_fs(KERNEL_DS); -} - -/* Without this, Bad Things happen when something calls arch_reset. */ -static void sun3_reboot (void) -{ - prom_reboot ("vmlinux"); -} - -static void sun3_halt (void) -{ - prom_halt (); -} - -/* sun3 bootmem allocation */ - -static void __init sun3_bootmem_alloc(unsigned long memory_start, - unsigned long memory_end) -{ - unsigned long start_page; - - /* align start/end to page boundaries */ - memory_start = ((memory_start + (PAGE_SIZE-1)) & PAGE_MASK); - memory_end = memory_end & PAGE_MASK; - - start_page = __pa(memory_start) >> PAGE_SHIFT; - num_pages = __pa(memory_end) >> PAGE_SHIFT; - - high_memory = (void *)memory_end; - availmem = memory_start; - - m68k_setup_node(0); - availmem += init_bootmem_node(NODE_DATA(0), start_page, 0, num_pages); - availmem = (availmem + (PAGE_SIZE-1)) & PAGE_MASK; - - free_bootmem(__pa(availmem), memory_end - (availmem)); -} - - -void __init config_sun3(void) -{ - unsigned long memory_start, memory_end; - - printk("ARCH: SUN3\n"); - idprom_init(); - - /* Subtract kernel memory from available memory */ - - mach_sched_init = sun3_sched_init; - mach_init_IRQ = sun3_init_IRQ; - mach_reset = sun3_reboot; - mach_gettimeoffset = sun3_gettimeoffset; - mach_get_model = sun3_get_model; - mach_hwclk = sun3_hwclk; - mach_halt = sun3_halt; - mach_get_hardware_list = sun3_get_hardware_list; - - memory_start = ((((unsigned long)_end) + 0x2000) & ~0x1fff); -// PROM seems to want the last couple of physical pages. --m - memory_end = *(romvec->pv_sun3mem) + PAGE_OFFSET - 2*PAGE_SIZE; - - m68k_num_memory=1; - m68k_memory[0].size=*(romvec->pv_sun3mem); - - sun3_bootmem_alloc(memory_start, memory_end); -} - -static void __init sun3_sched_init(irq_handler_t timer_routine) -{ - sun3_disable_interrupts(); - intersil_clock->cmd_reg=(INTERSIL_RUN|INTERSIL_INT_DISABLE|INTERSIL_24H_MODE); - intersil_clock->int_reg=INTERSIL_HZ_100_MASK; - intersil_clear(); - sun3_enable_irq(5); - intersil_clock->cmd_reg=(INTERSIL_RUN|INTERSIL_INT_ENABLE|INTERSIL_24H_MODE); - sun3_enable_interrupts(); - intersil_clear(); -} - |