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Diffstat (limited to 'arch/mips/netlogic/common/smpboot.S')
| -rw-r--r-- | arch/mips/netlogic/common/smpboot.S | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/arch/mips/netlogic/common/smpboot.S b/arch/mips/netlogic/common/smpboot.S deleted file mode 100644 index 509c1a7e7c05..000000000000 --- a/arch/mips/netlogic/common/smpboot.S +++ /dev/null @@ -1,141 +0,0 @@ -/* - * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights - * reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the NetLogic - * license below: - * - * 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 NETLOGIC ``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 NETLOGIC 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 <asm/asm.h> -#include <asm/asm-offsets.h> -#include <asm/regdef.h> -#include <asm/mipsregs.h> -#include <asm/stackframe.h> -#include <asm/asmmacro.h> -#include <asm/addrspace.h> - -#include <asm/netlogic/common.h> - -#include <asm/netlogic/xlp-hal/iomap.h> -#include <asm/netlogic/xlp-hal/xlp.h> -#include <asm/netlogic/xlp-hal/sys.h> -#include <asm/netlogic/xlp-hal/cpucontrol.h> - - .set noreorder - .set noat - .set arch=xlr /* for mfcr/mtcr, XLR is sufficient */ - -/* Called by the boot cpu to wake up its sibling threads */ -NESTED(xlp_boot_core0_siblings, PT_SIZE, sp) - /* CPU register contents lost when enabling threads, save them first */ - SAVE_ALL - sync - /* find the location to which nlm_boot_siblings was relocated */ - li t0, CKSEG1ADDR(RESET_VEC_PHYS) - PTR_LA t1, nlm_reset_entry - PTR_LA t2, nlm_boot_siblings - dsubu t2, t1 - daddu t2, t0 - /* call it */ - jalr t2 - nop - RESTORE_ALL - jr ra - nop -END(xlp_boot_core0_siblings) - -NESTED(nlm_boot_secondary_cpus, 16, sp) - /* Initialize CP0 Status */ - move t1, zero -#ifdef CONFIG_64BIT - ori t1, ST0_KX -#endif - mtc0 t1, CP0_STATUS - PTR_LA t1, nlm_next_sp - PTR_L sp, 0(t1) - PTR_LA t1, nlm_next_gp - PTR_L gp, 0(t1) - - /* a0 has the processor id */ - mfc0 a0, CP0_EBASE - andi a0, 0x3ff /* a0 <- node/core */ - PTR_LA t0, nlm_early_init_secondary - jalr t0 - nop - - PTR_LA t0, smp_bootstrap - jr t0 - nop -END(nlm_boot_secondary_cpus) - -/* - * In case of RMIboot bootloader which is used on XLR boards, the CPUs - * be already woken up and waiting in bootloader code. - * This will get them out of the bootloader code and into linux. Needed - * because the bootloader area will be taken and initialized by linux. - */ -NESTED(nlm_rmiboot_preboot, 16, sp) - mfc0 t0, $15, 1 /* read ebase */ - andi t0, 0x1f /* t0 has the processor_id() */ - andi t2, t0, 0x3 /* thread num */ - sll t0, 2 /* offset in cpu array */ - - li t3, CKSEG1ADDR(RESET_DATA_PHYS) - ADDIU t1, t3, BOOT_CPU_READY - ADDU t1, t0 - li t3, 1 - sw t3, 0(t1) - - bnez t2, 1f /* skip thread programming */ - nop /* for thread id != 0 */ - - /* - * XLR MMU setup only for first thread in core - */ - li t0, 0x400 - mfcr t1, t0 - li t2, 6 /* XLR thread mode mask */ - nor t3, t2, zero - and t2, t1, t2 /* t2 - current thread mode */ - li v0, CKSEG1ADDR(RESET_DATA_PHYS) - lw v1, BOOT_THREAD_MODE(v0) /* v1 - new thread mode */ - sll v1, 1 - beq v1, t2, 1f /* same as request value */ - nop /* nothing to do */ - - and t2, t1, t3 /* mask out old thread mode */ - or t1, t2, v1 /* put in new value */ - mtcr t1, t0 /* update core control */ - - /* wait for NMI to hit */ -1: wait - b 1b - nop -END(nlm_rmiboot_preboot) |