openwrt/upstream - upstream openwrt

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author	Florian Fainelli <florian@openwrt.org>	2012-07-26 17:03:08 +0000
committer	Florian Fainelli <florian@openwrt.org>	2012-07-26 17:03:08 +0000
commit	38058ef2b9b90cd45f29813c03e9c7e3a3c6cd46 (patch)
tree	3e4f2eb51056042b771f24dca8743b2ce90c47c6 /target/linux/brcm63xx
parent	bc998d69d03b619f6a9e4d23e2bc0dcc66af6636 (diff)
download	upstream-38058ef2b9b90cd45f29813c03e9c7e3a3c6cd46.tar.gz upstream-38058ef2b9b90cd45f29813c03e9c7e3a3c6cd46.tar.bz2 upstream-38058ef2b9b90cd45f29813c03e9c7e3a3c6cd46.zip

[brcm2708] add more missing config symbols

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32884 3c298f89-4303-0410-b956-a3cf2f4a3e73

Diffstat (limited to 'target/linux/brcm63xx')

0 files changed, 0 insertions, 0 deletions

/* * Copyright (c) 2007 Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com> * ***************************************************************************** * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include "asm.h" #include "page.h" #include "ia64_cpu.h" #include "ia64_fpu.h" #include "privop.h" #include "offsets.h" /* * Allocate kernel stack area. * This is used for stack pointer (goes down from kstack+PAGE_SIZE) and * RSE (goes up from kstack). */ .section .data.start,"aw" .global kstack .align PAGE_SIZE kstack: .space KSTACK_PAGES * PAGE_SIZE .text /* * Start the kernel. * r28 points to the address of the boot parameter area, given * from the bootloader. * Execution reaches here in physical mode. */ ENTRY(_start) .prologue .save rp, r0 // terminate unwind chain with a NULL rp .body alloc loc0=ar.pfs,0,1,1,0 rsm psr.i | psr.ic ;; srlz.i ;; /* * Initialize mini-os region registers: * Currently only region registers 5 and 7 are used for addressing. * rr[5] : virtual kernel address space * rr[7] : directly mapped physically addresses. */ movl r2=0<<IA64_RR_IDX_POS movl r3=1<<IA64_RR_IDX_POS ;; mov rr[r2]=r0 mov rr[r3]=r0 ;; movl r2=2<<IA64_RR_IDX_POS movl r3=3<<IA64_RR_IDX_POS ;; mov rr[r2]=r0 mov rr[r3]=r0 ;; movl r2=4<<IA64_RR_IDX_POS movl r3=6<<IA64_RR_IDX_POS ;; mov rr[r2]=r0 mov rr[r3]=r0 ;; // Wired memory for kernel data and text. movl r2=IA64_RR_VAL(KERNEL_TR_PAGE_SIZE,0) movl r3=5<<IA64_RR_IDX_POS // region 5 ;; mov rr[r3]=r2 ;; /* * Region 7 addresses are only for directly mapped physically * addresses. */ movl r2=IA64_RR_VAL(PTE_PS_16K,0) movl r3=7<<IA64_RR_IDX_POS // region 7 ;; mov rr[r3]=r2 ;; /* * Now pin mappings into the TLB for kernel text and data */ mov r18=KERNEL_TR_PAGE_SIZE<<IA64_ITIR_PS movl r17=KERNEL_START ;; mov cr.itir=r18 mov cr.ifa=r17 mov r16=IA64_TR_KERNEL mov r3=ip movl r18=PTE_KERNEL_ATTR ;; dep r2=0,r3,0,KERNEL_TR_PAGE_SIZE ;; or r18=r2,r18 ;; srlz.i ;; itr.i itr[r16]=r18 ;; itr.d dtr[r16]=r18 ;; srlz.i /* Switch into virtual mode */ movl r16=STARTUP_PSR ;; mov cr.ipsr=r16 movl r17=1f ;; mov cr.iip=r17 mov cr.ifs=r0 ;; rfi ;; 1: /* now we are in virtual mode */ movl r3=ia64_trap_table ;; mov cr.iva=r3 ;; movl r2=IA64_FPSR_DEFAULT movl r3=IA64_DCR_DEFAULT ;; srlz.i movl gp=__gp mov ar.fpsr=r2 mov cr.dcr=r3 ;; movl r2=kstack movl r5=KSTACK_PAGES * PAGE_SIZE - 16 mov ar.rsc=0 // place RSE in enforced lazy mode ;; loadrs // clear the dirty partition ;; mov ar.bspstore=r2 // establish the new RSE stack add sp=r2,r5 ;; mov ar.rsc=IA64_RSE_EAGER // place RSE in eager mode ;; movl r2=ia64_boot_paramP mov r3=7 // make address virtual region 7. ;; dep r28=r3,r28,61,3 ;; // save the address of the boot param area // passed by the bootloader st8 [r2]=r28 ;; /* Set xsi base. I use here XSI_BASE. */ #define FW_HYPERCALL_SET_SHARED_INFO_VA 0x600 mov r2=FW_HYPERCALL_SET_SHARED_INFO_VA movl r28=XSI_BASE ;; break 0x1000 ;; /* * I set up here the pointer to the global start_info structure. * This structure will be initialized in arch_init(). */ movl out0=start_info_union // Prepare out0 - the pointer to start_info_t. movl r14=XSI_BASE ;; add r15=START_INFO_PFN,r14 // add offset to XSI_BASE ;; START_INFO_PFN_ld r14=[r15] // load the start_info_pfn add r16=7, r0 ;; #if defined(BIG_ENDIAN) mux1 r14=r14,@rev // swap because mini-os is in BE #endif ;; shl r15=r14,PAGE_SHIFT_XEN_16K // pfn << PAGE_SHIFT_XEN_16K shl r16=r16,IA64_RR_IDX_POS // (7<<IA64_RR_IDX_POS) ;; or out0=r16, r15 // make a region 7 address ;; ssm psr.i | psr.ic ;; srlz.i ;; br.call.sptk.many rp=start_kernel ;; add r2=3,r0 ;; ld8 r3=[r2] ;; self: hint @pause br.sptk.many self // endless loop END(_start) ENTRY(do_nop) nop 0x01 add r15=1,r15 br.ret.sptk.many rp END(do_nop)


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