diff options
Diffstat (limited to 'sys/mips/sentry5/s5_machdep.c')
| -rw-r--r-- | sys/mips/sentry5/s5_machdep.c | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/sys/mips/sentry5/s5_machdep.c b/sys/mips/sentry5/s5_machdep.c deleted file mode 100644 index a10b48d..0000000 --- a/sys/mips/sentry5/s5_machdep.c +++ /dev/null @@ -1,223 +0,0 @@ -/*- - * Copyright (c) 2007 Bruce M. Simpson. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include "opt_ddb.h" - -#include <sys/param.h> -#include <sys/conf.h> -#include <sys/kernel.h> -#include <sys/systm.h> -#include <sys/imgact.h> -#include <sys/bio.h> -#include <sys/buf.h> -#include <sys/bus.h> -#include <sys/cpu.h> -#include <sys/cons.h> -#include <sys/exec.h> -#include <sys/ucontext.h> -#include <sys/proc.h> -#include <sys/kdb.h> -#include <sys/ptrace.h> -#include <sys/reboot.h> -#include <sys/signalvar.h> -#include <sys/sysent.h> -#include <sys/sysproto.h> -#include <sys/user.h> - -#include <vm/vm.h> -#include <vm/vm_object.h> -#include <vm/vm_page.h> - -#include <machine/cache.h> -#include <machine/clock.h> -#include <machine/cpu.h> -#include <machine/cpuinfo.h> -#include <machine/cpufunc.h> -#include <machine/cpuregs.h> -#include <machine/hwfunc.h> -#include <machine/intr_machdep.h> -#include <machine/locore.h> -#include <machine/md_var.h> -#include <machine/pte.h> -#include <machine/sigframe.h> -#include <machine/trap.h> -#include <machine/vmparam.h> - -#include <mips/sentry5/s5reg.h> - -#ifdef CFE -#include <dev/cfe/cfe_api.h> -#endif - -extern int *edata; -extern int *end; - -void -platform_cpu_init() -{ - /* Nothing special */ -} - -static void -mips_init(void) -{ - int i, j; - - printf("entry: mips_init()\n"); - -#ifdef CFE - /* - * Query DRAM memory map from CFE. - */ - physmem = 0; - for (i = 0; i < 10; i += 2) { - int result; - uint64_t addr, len, type; - - result = cfe_enummem(i, 0, &addr, &len, &type); - if (result < 0) { - phys_avail[i] = phys_avail[i + 1] = 0; - break; - } - if (type != CFE_MI_AVAILABLE) - continue; - - phys_avail[i] = addr; - if (i == 0 && addr == 0) { - /* - * If this is the first physical memory segment probed - * from CFE, omit the region at the start of physical - * memory where the kernel has been loaded. - */ - phys_avail[i] += MIPS_KSEG0_TO_PHYS(kernel_kseg0_end); - } - phys_avail[i + 1] = addr + len; - physmem += len; - } - - realmem = btoc(physmem); -#endif - - for (j = 0; j < i; j++) - dump_avail[j] = phys_avail[j]; - - physmem = realmem; - - init_param1(); - init_param2(physmem); - mips_cpu_init(); - pmap_bootstrap(); - mips_proc0_init(); - mutex_init(); - kdb_init(); -#ifdef KDB - if (boothowto & RB_KDB) - kdb_enter(KDB_WHY_BOOTFLAGS, "Boot flags requested debugger"); -#endif -} - -void -platform_reset(void) -{ - -#if defined(CFE) - cfe_exit(0, 0); -#else - *((volatile uint8_t *)MIPS_PHYS_TO_KSEG1(SENTRY5_EXTIFADR)) = 0x80; -#endif -} - -void -platform_start(__register_t a0, __register_t a1, __register_t a2, - __register_t a3) -{ - vm_offset_t kernend; - uint64_t platform_counter_freq; - - /* clear the BSS and SBSS segments */ - kernend = (vm_offset_t)&end; - memset(&edata, 0, kernend - (vm_offset_t)(&edata)); - - mips_postboot_fixup(); - - /* Initialize pcpu stuff */ - mips_pcpu0_init(); - -#ifdef CFE - /* - * Initialize CFE firmware trampolines before - * we initialize the low-level console. - * - * CFE passes the following values in registers: - * a0: firmware handle - * a2: firmware entry point - * a3: entry point seal - */ - if (a3 == CFE_EPTSEAL) - cfe_init(a0, a2); -#endif - cninit(); - - mips_init(); - -# if 0 - /* - * Probe the Broadcom Sentry5's on-chip PLL clock registers - * and discover the CPU pipeline clock and bus clock - * multipliers from this. - * XXX: Wrong place. You have to ask the ChipCommon - * or External Interface cores on the SiBa. - */ - uint32_t busmult, cpumult, refclock, clkcfg1; -#define S5_CLKCFG1_REFCLOCK_MASK 0x0000001F -#define S5_CLKCFG1_BUSMULT_MASK 0x000003E0 -#define S5_CLKCFG1_BUSMULT_SHIFT 5 -#define S5_CLKCFG1_CPUMULT_MASK 0xFFFFFC00 -#define S5_CLKCFG1_CPUMULT_SHIFT 10 - - counter_freq = 100000000; /* XXX */ - - clkcfg1 = s5_rd_clkcfg1(); - printf("clkcfg1 = 0x%08x\n", clkcfg1); - - refclock = clkcfg1 & 0x1F; - busmult = ((clkcfg1 & 0x000003E0) >> 5) + 1; - cpumult = ((clkcfg1 & 0xFFFFFC00) >> 10) + 1; - - printf("refclock = %u\n", refclock); - printf("busmult = %u\n", busmult); - printf("cpumult = %u\n", cpumult); - - counter_freq = cpumult * refclock; -# else - platform_counter_freq = 200 * 1000 * 1000; /* Sentry5 is 200MHz */ -# endif - - mips_timer_init_params(platform_counter_freq, 0); -} |
