diff options
| author | ryd <ryd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-02-19 04:03:49 +0000 |
|---|---|---|
| committer | ryd <ryd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-02-19 04:03:49 +0000 |
| commit | e4a3634c00818e77664da2c3592a95e8c8fad5d6 (patch) | |
| tree | 5aec8287ecd3034c53cbbeb5a6408389b1d34507 /target/linux/olpc/files-2.6.23/arch/i386 | |
| parent | ac24192a897d17c7416cfc1a58ad5432404662de (diff) | |
Adding .24 support for olpc
kernel compiles fine, but graphic support is broken
to test new kernel version, change
target/linux/olpc/Makefile
from .23.16 to .24
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10493 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/olpc/files-2.6.23/arch/i386')
10 files changed, 5759 insertions, 0 deletions
diff --git a/target/linux/olpc/files-2.6.23/arch/i386/boot/setup.S b/target/linux/olpc/files-2.6.23/arch/i386/boot/setup.S new file mode 100644 index 000000000..4cf6e231c --- /dev/null +++ b/target/linux/olpc/files-2.6.23/arch/i386/boot/setup.S @@ -0,0 +1,1080 @@ +/* + * setup.S Copyright (C) 1991, 1992 Linus Torvalds + * + * setup.s is responsible for getting the system data from the BIOS, + * and putting them into the appropriate places in system memory. + * both setup.s and system has been loaded by the bootblock. + * + * This code asks the bios for memory/disk/other parameters, and + * puts them in a "safe" place: 0x90000-0x901FF, ie where the + * boot-block used to be. It is then up to the protected mode + * system to read them from there before the area is overwritten + * for buffer-blocks. + * + * Move PS/2 aux init code to psaux.c + * (troyer@saifr00.cfsat.Honeywell.COM) 03Oct92 + * + * some changes and additional features by Christoph Niemann, + * March 1993/June 1994 (Christoph.Niemann@linux.org) + * + * add APM BIOS checking by Stephen Rothwell, May 1994 + * (sfr@canb.auug.org.au) + * + * High load stuff, initrd support and position independency + * by Hans Lermen & Werner Almesberger, February 1996 + * <lermen@elserv.ffm.fgan.de>, <almesber@lrc.epfl.ch> + * + * Video handling moved to video.S by Martin Mares, March 1996 + * <mj@k332.feld.cvut.cz> + * + * Extended memory detection scheme retwiddled by orc@pell.chi.il.us (david + * parsons) to avoid loadlin confusion, July 1997 + * + * Transcribed from Intel (as86) -> AT&T (gas) by Chris Noe, May 1999. + * <stiker@northlink.com> + * + * Fix to work around buggy BIOSes which don't use carry bit correctly + * and/or report extended memory in CX/DX for e801h memory size detection + * call. As a result the kernel got wrong figures. The int15/e801h docs + * from Ralf Brown interrupt list seem to indicate AX/BX should be used + * anyway. So to avoid breaking many machines (presumably there was a reason + * to orginally use CX/DX instead of AX/BX), we do a kludge to see + * if CX/DX have been changed in the e801 call and if so use AX/BX . + * Michael Miller, April 2001 <michaelm@mjmm.org> + * + * New A20 code ported from SYSLINUX by H. Peter Anvin. AMD Elan bugfixes + * by Robert Schwebel, December 2001 <robert@schwebel.de> + */ + +#include <asm/segment.h> +#include <linux/utsrelease.h> +#include <linux/compile.h> +#include <asm/boot.h> +#include <asm/e820.h> +#include <asm/page.h> +#include <asm/setup.h> + +/* Signature words to ensure LILO loaded us right */ +#define SIG1 0xAA55 +#define SIG2 0x5A5A + +INITSEG = DEF_INITSEG # 0x9000, we move boot here, out of the way +SYSSEG = DEF_SYSSEG # 0x1000, system loaded at 0x10000 (65536). +SETUPSEG = DEF_SETUPSEG # 0x9020, this is the current segment + # ... and the former contents of CS + +DELTA_INITSEG = SETUPSEG - INITSEG # 0x0020 + +.code16 +.globl begtext, begdata, begbss, endtext, enddata, endbss + +.text +begtext: +.data +begdata: +.bss +begbss: +.text + +start: + jmp trampoline + +# This is the setup header, and it must start at %cs:2 (old 0x9020:2) + + .ascii "HdrS" # header signature + .word 0x0206 # header version number (>= 0x0105) + # or else old loadlin-1.5 will fail) +realmode_swtch: .word 0, 0 # default_switch, SETUPSEG +start_sys_seg: .word SYSSEG + .word kernel_version # pointing to kernel version string + # above section of header is compatible + # with loadlin-1.5 (header v1.5). Don't + # change it. + +type_of_loader: .byte 0 # = 0, old one (LILO, Loadlin, + # Bootlin, SYSLX, bootsect...) + # See Documentation/i386/boot.txt for + # assigned ids + +# flags, unused bits must be zero (RFU) bit within loadflags +loadflags: +LOADED_HIGH = 1 # If set, the kernel is loaded high +CAN_USE_HEAP = 0x80 # If set, the loader also has set + # heap_end_ptr to tell how much + # space behind setup.S can be used for + # heap purposes. + # Only the loader knows what is free +#ifndef __BIG_KERNEL__ + .byte 0 +#else + .byte LOADED_HIGH +#endif + +setup_move_size: .word 0x8000 # size to move, when setup is not + # loaded at 0x90000. We will move setup + # to 0x90000 then just before jumping + # into the kernel. However, only the + # loader knows how much data behind + # us also needs to be loaded. + +code32_start: # here loaders can put a different + # start address for 32-bit code. +#ifndef __BIG_KERNEL__ + .long 0x1000 # 0x1000 = default for zImage +#else + .long 0x100000 # 0x100000 = default for big kernel +#endif + +ramdisk_image: .long 0 # address of loaded ramdisk image + # Here the loader puts the 32-bit + # address where it loaded the image. + # This only will be read by the kernel. + +ramdisk_size: .long 0 # its size in bytes + +bootsect_kludge: + .long 0 # obsolete + +heap_end_ptr: .word modelist+1024 # (Header version 0x0201 or later) + # space from here (exclusive) down to + # end of setup code can be used by setup + # for local heap purposes. + +pad1: .word 0 +cmd_line_ptr: .long 0 # (Header version 0x0202 or later) + # If nonzero, a 32-bit pointer + # to the kernel command line. + # The command line should be + # located between the start of + # setup and the end of low + # memory (0xa0000), or it may + # get overwritten before it + # gets read. If this field is + # used, there is no longer + # anything magical about the + # 0x90000 segment; the setup + # can be located anywhere in + # low memory 0x10000 or higher. + +ramdisk_max: .long (-__PAGE_OFFSET-(512 << 20)-1) & 0x7fffffff + # (Header version 0x0203 or later) + # The highest safe address for + # the contents of an initrd + +kernel_alignment: .long CONFIG_PHYSICAL_ALIGN #physical addr alignment + #required for protected mode + #kernel +#ifdef CONFIG_RELOCATABLE +relocatable_kernel: .byte 1 +#else +relocatable_kernel: .byte 0 +#endif +pad2: .byte 0 +pad3: .word 0 + +cmdline_size: .long COMMAND_LINE_SIZE-1 #length of the command line, + #added with boot protocol + #version 2.06 + +trampoline: call start_of_setup + .align 16 + # The offset at this point is 0x240 + .space (0xeff-0x240+1) # E820 & EDD space (ending at 0xeff) +# End of setup header ##################################################### + +start_of_setup: +# Bootlin depends on this being done early + movw $0x01500, %ax + movb $0x81, %dl + int $0x13 + +#ifdef SAFE_RESET_DISK_CONTROLLER +# Reset the disk controller. + movw $0x0000, %ax + movb $0x80, %dl + int $0x13 +#endif + +# Set %ds = %cs, we know that SETUPSEG = %cs at this point + movw %cs, %ax # aka SETUPSEG + movw %ax, %ds +# Check signature at end of setup + cmpw $SIG1, setup_sig1 + jne bad_sig + + cmpw $SIG2, setup_sig2 + jne bad_sig + + jmp good_sig1 + +# Routine to print asciiz string at ds:si +prtstr: + lodsb + andb %al, %al + jz fin + + call prtchr + jmp prtstr + +fin: ret + +# Space printing +prtsp2: call prtspc # Print double space +prtspc: movb $0x20, %al # Print single space (note: fall-thru) + +# Part of above routine, this one just prints ascii al +prtchr: pushw %ax + pushw %cx + movw $7,%bx + movw $0x01, %cx + movb $0x0e, %ah + int $0x10 + popw %cx + popw %ax + ret + +beep: movb $0x07, %al + jmp prtchr + +no_sig_mess: .string "No setup signature found ..." + +good_sig1: + jmp good_sig + +# We now have to find the rest of the setup code/data +bad_sig: + movw %cs, %ax # SETUPSEG + subw $DELTA_INITSEG, %ax # INITSEG + movw %ax, %ds + xorb %bh, %bh + movb (497), %bl # get setup sect from bootsect + subw $4, %bx # LILO loads 4 sectors of setup + shlw $8, %bx # convert to words (1sect=2^8 words) + movw %bx, %cx + shrw $3, %bx # convert to segment + addw $SYSSEG, %bx + movw %bx, %cs:start_sys_seg +# Move rest of setup code/data to here + movw $2048, %di # four sectors loaded by LILO + subw %si, %si + pushw %cs + popw %es + movw $SYSSEG, %ax + movw %ax, %ds + rep + movsw + movw %cs, %ax # aka SETUPSEG + movw %ax, %ds + cmpw $SIG1, setup_sig1 + jne no_sig + + cmpw $SIG2, setup_sig2 + jne no_sig + + jmp good_sig + +no_sig: + lea no_sig_mess, %si + call prtstr + +no_sig_loop: + hlt + jmp no_sig_loop + +good_sig: + movw %cs, %ax # aka SETUPSEG + subw $DELTA_INITSEG, %ax # aka INITSEG + movw %ax, %ds +# Check if an old loader tries to load a big-kernel + testb $LOADED_HIGH, %cs:loadflags # Do we have a big kernel? + jz loader_ok # No, no danger for old loaders. + + cmpb $0, %cs:type_of_loader # Do we have a loader that + # can deal with us? + jnz loader_ok # Yes, continue. + + pushw %cs # No, we have an old loader, + popw %ds # die. + lea loader_panic_mess, %si + call prtstr + + jmp no_sig_loop + +loader_panic_mess: .string "Wrong loader, giving up..." + +# check minimum cpuid +# we do this here because it is the last place we can actually +# show a user visible error message. Later the video modus +# might be already messed up. +loader_ok: + call verify_cpu + testl %eax,%eax + jz cpu_ok + movw %cs,%ax # aka SETUPSEG + movw %ax,%ds + lea cpu_panic_mess,%si + call prtstr +1: jmp 1b + +cpu_panic_mess: + .asciz "PANIC: CPU too old for this kernel." + +#include "../kernel/verify_cpu.S" + +cpu_ok: +# Get memory size (extended mem, kB) + + xorl %eax, %eax + movl %eax, (0x1e0) +#ifndef STANDARD_MEMORY_BIOS_CALL + movb %al, (E820NR) +# Try three different memory detection schemes. First, try +# e820h, which lets us assemble a memory map, then try e801h, +# which returns a 32-bit memory size, and finally 88h, which +# returns 0-64m + +# method E820H: +# the memory map from hell. e820h returns memory classified into +# a whole bunch of different types, and allows memory holes and +# everything. We scan through this memory map and build a list +# of the first 32 memory areas, which we return at [E820MAP]. +# This is documented at http://www.acpi.info/, in the ACPI 2.0 specification. + +#define SMAP 0x534d4150 + +meme820: + xorl %ebx, %ebx # continuation counter + movw $E820MAP, %di # point into the whitelist + # so we can have the bios + # directly write into it. + +jmpe820: + movl $0x0000e820, %eax # e820, upper word zeroed + movl $SMAP, %edx # ascii 'SMAP' + movl $20, %ecx # size of the e820rec + pushw %ds # data record. + popw %es + int $0x15 # make the call + jc bail820 # fall to e801 if it fails + + cmpl $SMAP, %eax # check the return is `SMAP' + jne bail820 # fall to e801 if it fails + +# cmpl $1, 16(%di) # is this usable memory? +# jne again820 + + # If this is usable memory, we save it by simply advancing %di by + # sizeof(e820rec). + # +good820: + movb (E820NR), %al # up to 128 entries + cmpb $E820MAX, %al + jae bail820 + + incb (E820NR) + movw %di, %ax + addw $20, %ax + movw %ax, %di +again820: + cmpl $0, %ebx # check to see if + jne jmpe820 # %ebx is set to EOF +bail820: + + +# method E801H: +# memory size is in 1k chunksizes, to avoid confusing loadlin. +# we store the 0xe801 memory size in a completely different place, +# because it will most likely be longer than 16 bits. +# (use 1e0 because that's what Larry Augustine uses in his +# alternative new memory detection scheme, and it's sensible +# to write everything into the same place.) + +meme801: + stc # fix to work around buggy + xorw %cx,%cx # BIOSes which don't clear/set + xorw %dx,%dx # carry on pass/error of + # e801h memory size call + # or merely pass cx,dx though + # without changing them. + movw $0xe801, %ax + int $0x15 + jc mem88 + + cmpw $0x0, %cx # Kludge to handle BIOSes + jne e801usecxdx # which report their extended + cmpw $0x0, %dx # memory in AX/BX rather than + jne e801usecxdx # CX/DX. The spec I have read + movw %ax, %cx # seems to indicate AX/BX + movw %bx, %dx # are more reasonable anyway... + +e801usecxdx: + andl $0xffff, %edx # clear sign extend + shll $6, %edx # and go from 64k to 1k chunks + movl %edx, (0x1e0) # store extended memory size + andl $0xffff, %ecx # clear sign extend + addl %ecx, (0x1e0) # and add lower memory into + # total size. + +# Ye Olde Traditional Methode. Returns the memory size (up to 16mb or +# 64mb, depending on the bios) in ax. +mem88: + +#endif + movb $0x88, %ah + int $0x15 + movw %ax, (2) + +# Set the keyboard repeat rate to the max + movw $0x0305, %ax + xorw %bx, %bx + int $0x16 + +#ifndef CONFIG_VGA_NOPROBE + +# Check for video adapter and its parameters and allow the +# user to browse video modes. + call video # NOTE: we need %ds pointing + # to bootsector +#endif + +# Get hd0 data... + xorw %ax, %ax + movw %ax, %ds + ldsw (4 * 0x41), %si + movw %cs, %ax # aka SETUPSEG + subw $DELTA_INITSEG, %ax # aka INITSEG + pushw %ax + movw %ax, %es + movw $0x0080, %di + movw $0x10, %cx + pushw %cx + cld + rep + movsb +# Get hd1 data... + xorw %ax, %ax + movw %ax, %ds + ldsw (4 * 0x46), %si + popw %cx + popw %es + movw $0x0090, %di + rep + movsb +# Check that there IS a hd1 :-) + movw $0x01500, %ax + movb $0x81, %dl + int $0x13 + jc no_disk1 + + cmpb $3, %ah + je is_disk1 + +no_disk1: + movw %cs, %ax # aka SETUPSEG + subw $DELTA_INITSEG, %ax # aka INITSEG + movw %ax, %es + movw $0x0090, %di + movw $0x10, %cx + xorw %ax, %ax + cld + rep + stosb +is_disk1: +# check for Micro Channel (MCA) bus + movw %cs, %ax # aka SETUPSEG + subw $DELTA_INITSEG, %ax # aka INITSEG + movw %ax, %ds + xorw %ax, %ax + movw %ax, (0xa0) # set table length to 0 + movb $0xc0, %ah + stc + int $0x15 # moves feature table to es:bx + jc no_mca + + pushw %ds + movw %es, %ax + movw %ax, %ds + movw %cs, %ax # aka SETUPSEG + subw $DELTA_INITSEG, %ax # aka INITSEG + movw %ax, %es + movw %bx, %si + movw $0xa0, %di + movw (%si), %cx + addw $2, %cx # table length is a short + cmpw $0x10, %cx + jc sysdesc_ok + + movw $0x10, %cx # we keep only first 16 bytes +sysdesc_ok: + rep + movsb + popw %ds +no_mca: +#ifdef CONFIG_X86_VOYAGER + movb $0xff, 0x40 # flag on config found + movb $0xc0, %al + mov $0xff, %ah + int $0x15 # put voyager config info at es:di + jc no_voyager + movw $0x40, %si # place voyager info in apm table + cld + movw $7, %cx +voyager_rep: + movb %es:(%di), %al + movb %al,(%si) + incw %di + incw %si + decw %cx + jnz voyager_rep +no_voyager: +#endif +# Check for PS/2 pointing device + movw %cs, %ax # aka SETUPSEG + subw $DELTA_INITSEG, %ax # aka INITSEG + movw %ax, %ds + movb $0, (0x1ff) # default is no pointing device + int $0x11 # int 0x11: equipment list + testb $0x04, %al # check if mouse installed + jz no_psmouse + + movb $0xAA, (0x1ff) # device present +no_psmouse: + +#if defined(CONFIG_X86_SPEEDSTEP_SMI) || defined(CONFIG_X86_SPEEDSTEP_SMI_MODULE) + movl $0x0000E980, %eax # IST Support + movl $0x47534943, %edx # Request value + int $0x15 + + movl %eax, (96) + movl %ebx, (100) + movl %ecx, (104) + movl %edx, (108) +#endif + +#if defined(CONFIG_APM) || defined(CONFIG_APM_MODULE) +# Then check for an APM BIOS... + # %ds points to the bootsector + movw $0, 0x40 # version = 0 means no APM BIOS + movw $0x05300, %ax # APM BIOS installation check + xorw %bx, %bx + int $0x15 + jc done_apm_bios # Nope, no APM BIOS + + cmpw $0x0504d, %bx # Check for "PM" signature + jne done_apm_bios # No signature, no APM BIOS + + andw $0x02, %cx # Is 32 bit supported? + je done_apm_bios # No 32-bit, no (good) APM BIOS + + movw $0x05304, %ax # Disconnect first just in case + xorw %bx, %bx + int $0x15 # ignore return code + movw $0x05303, %ax # 32 bit connect + xorl %ebx, %ebx + xorw %cx, %cx # paranoia :-) + xorw %dx, %dx # ... + xorl %esi, %esi # ... + xorw %di, %di # ... + int $0x15 + jc no_32_apm_bios # Ack, error. + + movw %ax, (66) # BIOS code segment + movl %ebx, (68) # BIOS entry point offset + movw %cx, (72) # BIOS 16 bit code segment + movw %dx, (74) # BIOS data segment + movl %esi, (78) # BIOS code segment lengths + movw %di, (82) # BIOS data segment length +# Redo the installation check as the 32 bit connect +# modifies the flags returned on some BIOSs + movw $0x05300, %ax # APM BIOS installation check + xorw %bx, %bx + xorw %cx, %cx # paranoia + int $0x15 + jc apm_disconnect # error -> shouldn't happen + + cmpw $0x0504d, %bx # check for "PM" signature + jne apm_disconnect # no sig -> shouldn't happen + + movw %ax, (64) # record the APM BIOS version + movw %cx, (76) # and flags + jmp done_apm_bios + +apm_disconnect: # Tidy up + movw $0x05304, %ax # Disconnect + xorw %bx, %bx + int $0x15 # ignore return code + + jmp done_apm_bios + +no_32_apm_bios: + andw $0xfffd, (76) # remove 32 bit support bit +done_apm_bios: +#endif + +#include "edd.S" + +# Now we want to move to protected mode ... + cmpw $0, %cs:realmode_swtch + jz rmodeswtch_normal + + lcall *%cs:realmode_swtch + + jmp rmodeswtch_end + +rmodeswtch_normal: + pushw %cs + call default_switch + +rmodeswtch_end: +# Now we move the system to its rightful place ... but we check if we have a +# big-kernel. In that case we *must* not move it ... + testb $LOADED_HIGH, %cs:loadflags + jz do_move0 # .. then we have a normal low + # loaded zImage + # .. or else we have a high + # loaded bzImage + jmp end_move # ... and we skip moving + +do_move0: + movw $0x100, %ax # start of destination segment + movw %cs, %bp # aka SETUPSEG + subw $DELTA_INITSEG, %bp # aka INITSEG + movw %cs:start_sys_seg, %bx # start of source segment + cld +do_move: + movw %ax, %es # destination segment + incb %ah # instead of add ax,#0x100 + movw %bx, %ds # source segment + addw $0x100, %bx + subw %di, %di + subw %si, %si + movw $0x800, %cx + rep + movsw + cmpw %bp, %bx # assume start_sys_seg > 0x200, + # so we will perhaps read one + # page more than needed, but + # never overwrite INITSEG + # because destination is a + # minimum one page below source + jb do_move + +end_move: +# then we load the segment descriptors + movw %cs, %ax # aka SETUPSEG + movw %ax, %ds + +# Check whether we need to be downward compatible with version <=201 + cmpl $0, cmd_line_ptr + jne end_move_self # loader uses version >=202 features + cmpb $0x20, type_of_loader + je end_move_self # bootsect loader, we know of it + +# Boot loader doesnt support boot protocol version 2.02. +# If we have our code not at 0x90000, we need to move it there now. +# We also then need to move the params behind it (commandline) +# Because we would overwrite the code on the current IP, we move +# it in two steps, jumping high after the first one. + movw %cs, %ax + cmpw $SETUPSEG, %ax + je end_move_self + + cli # make sure we really have + # interrupts disabled ! + # because after this the stack + # should not be used + subw $DELTA_INITSEG, %ax # aka INITSEG + movw %ss, %dx + cmpw %ax, %dx + jb move_self_1 + + addw $INITSEG, %dx + subw %ax, %dx # this will go into %ss after + # the move +move_self_1: + movw %ax, %ds + movw $INITSEG, %ax # real INITSEG + movw %ax, %es + movw %cs:setup_move_size, %cx + std # we have to move up, so we use + # direction down because the + # areas may overlap + movw %cx, %di + decw %di + movw %di, %si + subw $move_self_here+0x200, %cx + rep + movsb + ljmp $SETUPSEG, $move_self_here + +move_self_here: + movw $move_self_here+0x200, %cx + rep + movsb + movw $SETUPSEG, %ax + movw %ax, %ds + movw %dx, %ss +end_move_self: # now we are at the right place + +# +# Enable A20. This is at the very best an annoying procedure. +# A20 code ported from SYSLINUX 1.52-1.63 by H. Peter Anvin. +# AMD Elan bug fix by Robert Schwebel. +# + +#if defined(CONFIG_X86_ELAN) + movb $0x02, %al # alternate A20 gate + outb %al, $0x92 # this works on SC410/SC520 +a20_elan_wait: + call a20_test + jz a20_elan_wait + jmp a20_done +#endif + + +A20_TEST_LOOPS = 32 # Iterations per wait +A20_ENABLE_LOOPS = 255 # Total loops to try + + +#ifndef CONFIG_X86_VOYAGER +a20_try_loop: + + # First, see if we are on a system with no A20 gate. +a20_none: + call a20_test + jnz a20_done + + # Next, try the BIOS (INT 0x15, AX=0x2401) +a20_bios: + movw $0x2401, %ax + pushfl # Be paranoid about flags + int $0x15 + popfl + + call a20_test + jnz a20_done + + # Try enabling A20 through the keyboard controller +#endif /* CONFIG_X86_VOYAGER */ +a20_kbc: + call empty_8042 + +#ifndef CONFIG_X86_VOYAGER + call a20_test # Just in case the BIOS worked + jnz a20_done # but had a delayed reaction. +#endif + + movb $0xD1, %al # command write + outb %al, $0x64 + call empty_8042 + + movb $0xDF, %al # A20 on + outb %al, $0x60 + call empty_8042 + +#ifndef CONFIG_X86_VOYAGER + # Wait until a20 really *is* enabled; it can take a fair amount of + # time on certain systems; Toshiba Tecras are known to have this + # problem. +a20_kbc_wait: + xorw %cx, %cx +a20_kbc_wait_loop: + call a20_test + jnz a20_done + loop a20_kbc_wait_loop + + # Final attempt: use "configuration port A" +a20_fast: + inb $0x92, %al # Configuration Port A + orb $0x02, %al # "fast A20" version + andb $0xFE, %al # don't accidentally reset + outb %al, $0x92 + + # Wait for configuration port A to take effect +a20_fast_wait: + xorw %cx, %cx +a20_fast_wait_loop: + call a20_test + jnz a20_done + loop a20_fast_wait_loop + + # A20 is still not responding. Try frobbing it again. + # + decb (a20_tries) + jnz a20_try_loop + + movw $a20_err_msg, %si + call prtstr + +a20_die: + hlt + jmp a20_die + +a20_tries: + .byte A20_ENABLE_LOOPS + +a20_err_msg: + .ascii "linux: fatal error: A20 gate not responding!" + .byte 13, 10, 0 + + # If we get here, all is good +a20_done: + +#endif /* CONFIG_X86_VOYAGER */ +# set up gdt and idt and 32bit start address + lidt idt_48 # load idt with 0,0 + xorl %eax, %eax # Compute gdt_base + movw %ds, %ax # (Convert %ds:gdt to a linear ptr) + shll $4, %eax + addl %eax, code32 + addl $gdt, %eax + movl %eax, (gdt_48+2) + lgdt gdt_48 # load gdt with whatever is + # appropriate + +# make sure any possible coprocessor is properly reset.. + xorw %ax, %ax + outb %al, $0xf0 + call delay + + outb %al, $0xf1 + call delay + +# well, that went ok, I hope. Now we mask all interrupts - the rest +# is done in init_IRQ(). + movb $0xFF, %al # mask all interrupts for now + outb %al, $0xA1 + call delay + + movb $0xFB, %al # mask all irq's but irq2 which + outb %al, $0x21 # is cascaded + +# Well, that certainly wasn't fun :-(. Hopefully it works, and we don't +# need no steenking BIOS anyway (except for the initial loading :-). +# The BIOS-routine wants lots of unnecessary data, and it's less +# "interesting" anyway. This is how REAL programmers do it. +# +# Well, now's the time to actually move into protected mode. To make +# things as simple as possible, we do no register set-up or anything, +# we let the gnu-compiled 32-bit programs do that. We just jump to +# absolute address 0x1000 (or the loader supplied one), +# in 32-bit protected mode. +# +# Note that the short jump isn't strictly needed, although there are +# reasons why it might be a good idea. It won't hurt in any case. + movw $1, %ax # protected mode (PE) bit + lmsw %ax # This is it! + jmp flush_instr + +flush_instr: + xorw %bx, %bx # Flag to indicate a boot + xorl %esi, %esi # Pointer to real-mode code + movw %cs, %si + subw $DELTA_INITSEG, %si + shll $4, %esi # Convert to 32-bit pointer + +# jump to startup_32 in arch/i386/boot/compressed/head.S +# +# NOTE: For high loaded big kernels we need a +# jmpi 0x100000,__BOOT_CS +# +# but we yet haven't reloaded the CS register, so the default size +# of the target offset still is 16 bit. +# However, using an operand prefix (0x66), the CPU will properly +# take our 48 bit far pointer. (INTeL 80386 Programmer's Reference +# Manual, Mixing 16-bit and 32-bit code, page 16-6) + + .byte 0x66, 0xea # prefix + jmpi-opcode +code32: .long startup_32 # will be set to %cs+startup_32 + .word __BOOT_CS +.code32 +startup_32: + movl $(__BOOT_DS), %eax + movl %eax, %ds + movl %eax, %es + movl %eax, %fs + movl %eax, %gs + movl %eax, %ss + + xorl %eax, %eax +1: incl %eax # check that A20 really IS enabled + movl %eax, 0x00000000 # loop forever if it isn't + cmpl %eax, 0x00100000 + je 1b + + # Jump to the 32bit entry point + jmpl *(code32_start - start + (DELTA_INITSEG << 4))(%esi) +.code16 + +# Here's a bunch of information about your current kernel.. +kernel_version: .ascii UTS_RELEASE + .ascii " (" + .ascii LINUX_COMPILE_BY + .ascii "@" + .ascii LINUX_COMPILE_HOST + .ascii ") " + .ascii UTS_VERSION + .byte 0 + +# This is the default real mode switch routine. +# to be called just before protected mode transition +default_switch: + cli # no interrupts allowed ! + movb $0x80, %al # disable NMI for bootup + # sequence + outb %al, $0x70 + lret + + +#ifndef CONFIG_X86_VOYAGER +# This routine tests whether or not A20 is enabled. If so, it +# exits with zf = 0. +# +# The memory address used, 0x200, is the int $0x80 vector, which +# should be safe. + +A20_TEST_ADDR = 4*0x80 + +a20_test: + pushw %cx + pushw %ax + xorw %cx, %cx + movw %cx, %fs # Low memory + decw %cx + movw %cx, %gs # High memory area + movw $A20_TEST_LOOPS, %cx + movw %fs:(A20_TEST_ADDR), %ax + pushw %ax +a20_test_wait: + incw %ax + movw %ax, %fs:(A20_TEST_ADDR) + call delay # Serialize and make delay constant + cmpw %gs:(A20_TEST_ADDR+0x10), %ax + loope a20_test_wait + + popw %fs:(A20_TEST_ADDR) + popw %ax + popw %cx + ret + +#endif /* CONFIG_X86_VOYAGER */ + +# This routine checks that the keyboard command queue is empty +# (after emptying the output buffers) +# +# Some machines have delusions that the keyboard buffer is always full +# with no keyboard attached... +# +# If there is no keyboard controller, we will usually get 0xff +# to all the reads. With each IO taking a microsecond and +# a timeout of 100,000 iterations, this can take about half a +# second ("delay" == outb to port 0x80). That should be ok, +# and should also be plenty of time for a real keyboard controller +# to empty. +# + +empty_8042: + pushl %ecx + movl $100000, %ecx + +empty_8042_loop: + decl %ecx + jz empty_8042_end_loop + + call delay + + inb $0x64, %al # 8042 status port + testb $1, %al # output buffer? + jz no_output + + call delay + inb $0x60, %al # read it + jmp empty_8042_loop + +no_output: + testb $2, %al # is input buffer full? + jnz empty_8042_loop # yes - loop +empty_8042_end_loop: + popl %ecx + ret + +# Read the cmos clock. Return the seconds in al +gettime: + pushw %cx + movb $0x02, %ah + int $0x1a + movb %dh, %al # %dh contains the seconds + andb $0x0f, %al + movb %dh, %ah + movb $0x04, %cl + shrb %cl, %ah + aad + popw %cx + ret + +# Delay is needed after doing I/O +delay: + outb %al,$0x80 + ret + +# Descriptor tables +# +# NOTE: The intel manual says gdt should be sixteen bytes aligned for +# efficiency reasons. However, there are machines which are known not +# to boot with misaligned GDTs, so alter this at your peril! If you alter +# GDT_ENTRY_BOOT_CS (in asm/segment.h) remember to leave at least two +# empty GDT entries (one for NULL and one reserved). +# +# NOTE: On some CPUs, the GDT must be 8 byte aligned. This is +# true for the Voyager Quad CPU card which will not boot without +# This directive. 16 byte aligment is recommended by intel. +# + .align 16 +gdt: + .fill GDT_ENTRY_BOOT_CS,8,0 + + .word 0xFFFF # 4Gb - (0x100000*0x1000 = 4Gb) + .word 0 # base address = 0 + .word 0x9A00 # code read/exec + .word 0x00CF # granularity = 4096, 386 + # (+5th nibble of limit) + + .word 0xFFFF # 4Gb - (0x100000*0x1000 = 4Gb) + .word 0 # base address = 0 + .word 0x9200 # data read/write + .word 0x00CF # granularity = 4096, 386 + # (+5th nibble of limit) +gdt_end: + .align 4 + + .word 0 # alignment byte +idt_48: + .word 0 # idt limit = 0 + .word 0, 0 # idt base = 0L + + .word 0 # alignment byte +gdt_48: + .word gdt_end - gdt - 1 # gdt limit + .word 0, 0 # gdt base (filled in later) + +#ifndef CONFIG_VGA_NOPROBE +# Include video setup & detection code + +#include "video.S" +#endif + +# Setup signature -- must be last +setup_sig1: .word SIG1 +setup_sig2: .word SIG2 + +# After this point, there is some free space which is used by the video mode +# handling code to store the temporary mode table (not used by the kernel). + +modelist: + +.text +endtext: +.data +enddata: +.bss +endbss: diff --git a/target/linux/olpc/files-2.6.23/arch/i386/configs/olpc_defconfig b/target/linux/olpc/files-2.6.23/arch/i386/configs/olpc_defconfig new file mode 100644 index 000000000..f1675e863 --- /dev/null +++ b/target/linux/olpc/files-2.6.23/arch/i386/configs/olpc_defconfig @@ -0,0 +1,2183 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.22-rc5 +# Wed Jun 20 08:26:53 2007 +# +CONFIG_X86_32=y +CONFIG_GENERIC_TIME=y +CONFIG_CLOCKSOURCE_WATCHDOG=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_SEMAPHORE_SLEEPERS=y +CONFIG_X86=y +CONFIG_MMU=y +CONFIG_ZONE_DMA=y +CONFIG_QUICKLIST=y +CONFIG_GENERIC_ISA_DMA=y +CONFIG_GENERIC_IOMAP=y +CONFIG_GENERIC_BUG=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_DMI=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 + +# +# General setup +# +CONFIG_LOCALVERSION="" +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_POSIX_MQUEUE=y +CONFIG_BSD_PROCESS_ACCT=y +# CONFIG_BSD_PROCESS_ACCT_V3 is not set +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set +CONFIG_AUDIT=y +CONFIG_AUDITSYSCALL=y +# CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=17 +# CONFIG_SYSFS_DEPRECATED is not set +CONFIG_RELAY=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +# CONFIG_SYSCTL_SYSCALL is not set +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_ALL is not set +CONFIG_KALLSYMS_EXTRA_PASS=y +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +# CONFIG_BASE_FULL is not set +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=1 + +# +# Loadable module support +# +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_MODVERSIONS=y +CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_KMOD=y + +# +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +# CONFIG_IOSCHED_DEADLINE is not set +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" + +# +# Processor type and features +# +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +# CONFIG_SMP is not set +CONFIG_X86_PC=y +# CONFIG_X86_ELAN is not set +# CONFIG_X86_VOYAGER is not set +# CONFIG_X86_NUMAQ is not set +# CONFIG_X86_SUMMIT is not set +# CONFIG_X86_BIGSMP is not set +# CONFIG_X86_VISWS is not set +# CONFIG_X86_GENERICARCH is not set +# CONFIG_X86_ES7000 is not set +# CONFIG_PARAVIRT is not set +# CONFIG_M386 is not set +# CONFIG_M486 is not set +# CONFIG_M586 is not set +# CONFIG_M586TSC is not set +# CONFIG_M586MMX is not set +# CONFIG_M686 is not set +# CONFIG_MPENTIUMII is not set +# CONFIG_MPENTIUMIII is not set +# CONFIG_MPENTIUMM is not set +# CONFIG_MCORE2 is not set +# CONFIG_MPENTIUM4 is not set +# CONFIG_MK6 is not set +# CONFIG_MK7 is not set +# CONFIG_MK8 is not set +# CONFIG_MCRUSOE is not set +# CONFIG_MEFFICEON is not set +# CONFIG_MWINCHIPC6 is not set +# CONFIG_MWINCHIP2 is not set +# CONFIG_MWINCHIP3D is not set +# CONFIG_MGEODEGX1 is not set +CONFIG_MGEODE_LX=y +# CONFIG_MCYRIXIII is not set +# CONFIG_MVIAC3_2 is not set +# CONFIG_MVIAC7 is not set +# CONFIG_X86_GENERIC is not set +CONFIG_X86_CMPXCHG=y +CONFIG_X86_L1_CACHE_SHIFT=5 +CONFIG_X86_XADD=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_X86_WP_WORKS_OK=y +CONFIG_X86_INVLPG=y +CONFIG_X86_BSWAP=y +CONFIG_X86_POPAD_OK=y +CONFIG_X86_USE_PPRO_CHECKSUM=y +CONFIG_X86_USE_3DNOW=y +CONFIG_X86_TSC=y +CONFIG_X86_MINIMUM_CPU_MODEL=4 +# CONFIG_HPET_TIMER is not set +# CONFIG_PREEMPT_NONE is not set +# CONFIG_PREEMPT_VOLUNTARY is not set +CONFIG_PREEMPT=y +CONFIG_PREEMPT_BKL=y +# CONFIG_X86_UP_APIC is not set +# CONFIG_X86_MCE is not set +# CONFIG_VM86 is not set +# CONFIG_TOSHIBA is not set +# CONFIG_I8K is not set +CONFIG_X86_REBOOTFIXUPS=y +# CONFIG_MICROCODE is not set +CONFIG_X86_MSR=y +CONFIG_X86_CPUID=m + +# +# Firmware Drivers +# +# CONFIG_EDD is not set +# CONFIG_DELL_RBU is not set +# CONFIG_DCDBAS is not set +CONFIG_NOHIGHMEM=y +# CONFIG_HIGHMEM4G is not set +# CONFIG_HIGHMEM64G is not set +CONFIG_VMSPLIT_3G=y +# CONFIG_VMSPLIT_3G_OPT is not set +# CONFIG_VMSPLIT_2G is not set +# CONFIG_VMSPLIT_2G_OPT is not set +# CONFIG_VMSPLIT_1G is not set +CONFIG_PAGE_OFFSET=0xC0000000 +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_SPARSEMEM_STATIC=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_NR_QUICK=1 +# CONFIG_MATH_EMULATION is not set +# CONFIG_MTRR is not set +# CONFIG_SECCOMP is not set +# CONFIG_VGA_NOPROBE is not set +CONFIG_HZ_100=y +# CONFIG_HZ_250 is not set +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=100 +CONFIG_KEXEC=y +CONFIG_PHYSICAL_START=0x400000 +# CONFIG_RELOCATABLE is not set +CONFIG_PHYSICAL_ALIGN=0x100000 +# CONFIG_COMPAT_VDSO is not set + +# +# Power management options (ACPI, APM) +# +CONFIG_PM=y +CONFIG_PM_LEGACY=y +CONFIG_PM_DEBUG=y +CONFIG_DISABLE_SUSPEND_VT_SWITCH=y +# CONFIG_PM_TRACE is not set +# CONFIG_PM_SYSFS_DEPRECATED is not set +CONFIG_SOFTWARE_SUSPEND=y +CONFIG_PM_STD_PARTITION="" + +# +# ACPI (Advanced Configuration and Power Interface) Support +# +# CONFIG_ACPI is not set +# CONFIG_APM is not set + +# +# CPU Frequency scaling +# +# CONFIG_CPU_FREQ is not set + +# +# Bus options (PCI, PCMCIA, EISA, MCA, ISA) +# +CONFIG_PCI=y +# CONFIG_PCI_GOBIOS is not set +# CONFIG_PCI_GOMMCONFIG is not set +# CONFIG_PCI_GODIRECT is not set +# CONFIG_PCI_GOANY is not set +CONFIG_PCI_GOOLPC=y +CONFIG_PCI_DIRECT=y +CONFIG_PCI_OLPC=y +# CONFIG_PCIEPORTBUS is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCI_DEBUG is not set +CONFIG_ISA_DMA_API=y +# CONFIG_ISA is not set +# CONFIG_MCA is not set +# CONFIG_SCx200 is not set +CONFIG_GEODE_MFGPT_TIMER=y +CONFIG_OLPC=y +CONFIG_OLPC_PM=y +CONFIG_OPEN_FIRMWARE=y + +# +# PCCARD (PCMCIA/CardBus) support +# +# CONFIG_PCCARD is not set +# CONFIG_HOTPLUG_PCI is not set + +# +# Executable file formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_AOUT is not set +CONFIG_BINFMT_MISC=y + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +CONFIG_PACKET_MMAP=y +CONFIG_UNIX=y +CONFIG_XFRM=y +CONFIG_XFRM_USER=y +# CONFIG_XFRM_SUB_POLICY is not set +CONFIG_XFRM_MIGRATE=y +CONFIG_NET_KEY=m +CONFIG_NET_KEY_MIGRATE=y +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_ADVANCED_ROUTER=y +CONFIG_ASK_IP_FIB_HASH=y +# CONFIG_IP_FIB_TRIE is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_MULTIPLE_TABLES=y +CONFIG_IP_ROUTE_MULTIPATH=y +# CONFIG_IP_ROUTE_MULTIPATH_CACHED is not set +CONFIG_IP_ROUTE_VERBOSE=y +# CONFIG_IP_PNP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_IP_MROUTE is not set +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +CONFIG_INET_AH=m +CONFIG_INET_ESP=m +CONFIG_INET_IPCOMP=m +CONFIG_INET_XFRM_TUNNEL=m +CONFIG_INET_TUNNEL=m +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +# CONFIG_INET_DIAG is not set +CONFIG_TCP_CONG_ADVANCED=y +CONFIG_TCP_CONG_BIC=y +CONFIG_TCP_CONG_CUBIC=m +CONFIG_TCP_CONG_WESTWOOD=m +CONFIG_TCP_CONG_HTCP=m +CONFIG_TCP_CONG_HSTCP=m +CONFIG_TCP_CONG_HYBLA=m +CONFIG_TCP_CONG_VEGAS=m +CONFIG_TCP_CONG_SCALABLE=m +CONFIG_TCP_CONG_LP=m +CONFIG_TCP_CONG_VENO=m +CONFIG_TCP_CONG_YEAH=m +CONFIG_TCP_CONG_ILLINOIS=m +CONFIG_DEFAULT_BIC=y +# CONFIG_DEFAULT_CUBIC is not set +# CONFIG_DEFAULT_HTCP is not set +# CONFIG_DEFAULT_VEGAS is not set +# CONFIG_DEFAULT_WESTWOOD is not set +# CONFIG_DEFAULT_RENO is not set +CONFIG_DEFAULT_TCP_CONG="bic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IP_VS is not set +CONFIG_IPV6=y +CONFIG_IPV6_PRIVACY=y +CONFIG_IPV6_ROUTER_PREF=y +CONFIG_IPV6_ROUTE_INFO=y +CONFIG_IPV6_OPTIMISTIC_DAD=y +CONFIG_INET6_AH=m +CONFIG_INET6_ESP=m +CONFIG_INET6_IPCOMP=m +CONFIG_IPV6_MIP6=y +CONFIG_INET6_XFRM_TUNNEL=m +CONFIG_INET6_TUNNEL=m +CONFIG_INET6_XFRM_MODE_TRANSPORT=m +CONFIG_INET6_XFRM_MODE_TUNNEL=m +CONFIG_INET6_XFRM_MODE_BEET=m +CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m +CONFIG_IPV6_SIT=m +CONFIG_IPV6_TUNNEL=m +CONFIG_IPV6_MULTIPLE_TABLES=y +CONFIG_IPV6_SUBTREES=y +# CONFIG_NETLABEL is not set +CONFIG_NETWORK_SECMARK=y +CONFIG_NETFILTER=y +# CONFIG_NETFILTER_DEBUG is not set + +# +# Core Netfilter Configuration +# +CONFIG_NETFILTER_NETLINK=m +# CONFIG_NETFILTER_NETLINK_QUEUE is not set +# CONFIG_NETFILTER_NETLINK_LOG is not set +CONFIG_NF_CONNTRACK_ENABLED=m +CONFIG_NF_CONNTRACK=m +# CONFIG_NF_CT_ACCT is not set +# CONFIG_NF_CONNTRACK_MARK is not set +# CONFIG_NF_CONNTRACK_SECMARK is not set +# CONFIG_NF_CONNTRACK_EVENTS is not set +# CONFIG_NF_CT_PROTO_SCTP is not set +# CONFIG_NF_CONNTRACK_AMANDA is not set +CONFIG_NF_CONNTRACK_FTP=m +# CONFIG_NF_CONNTRACK_H323 is not set +CONFIG_NF_CONNTRACK_IRC=m +# CONFIG_NF_CONNTRACK_NETBIOS_NS is not set +# CONFIG_NF_CONNTRACK_PPTP is not set +# CONFIG_NF_CONNTRACK_SANE is not set +# CONFIG_NF_CONNTRACK_SIP is not set +# CONFIG_NF_CONNTRACK_TFTP is not set +# CONFIG_NF_CT_NETLINK is not set +CONFIG_NETFILTER_XTABLES=m +# CONFIG_NETFILTER_XT_TARGET_CLASSIFY is not set +# CONFIG_NETFILTER_XT_TARGET_MARK is not set +# CONFIG_NETFILTER_XT_TARGET_NFQUEUE is not set +CONFIG_NETFILTER_XT_TARGET_NFLOG=m +# CONFIG_NETFILTER_XT_TARGET_SECMARK is not set +# CONFIG_NETFILTER_XT_TARGET_TCPMSS is not set +# CONFIG_NETFILTER_XT_MATCH_COMMENT is not set +# CONFIG_NETFILTER_XT_MATCH_CONNBYTES is not set +# CONFIG_NETFILTER_XT_MATCH_CONNMARK is not set +# CONFIG_NETFILTER_XT_MATCH_CONNTRACK is not set +# CONFIG_NETFILTER_XT_MATCH_DCCP is not set +# CONFIG_NETFILTER_XT_MATCH_DSCP is not set +# CONFIG_NETFILTER_XT_MATCH_ESP is not set +# CONFIG_NETFILTER_XT_MATCH_HELPER is not set +# CONFIG_NETFILTER_XT_MATCH_LENGTH is not set +# CONFIG_NETFILTER_XT_MATCH_LIMIT is not set +# CONFIG_NETFILTER_XT_MATCH_MAC is not set +# CONFIG_NETFILTER_XT_MATCH_MARK is not set +# CONFIG_NETFILTER_XT_MATCH_POLICY is not set +# CONFIG_NETFILTER_XT_MATCH_MULTIPORT is not set +# CONFIG_NETFILTER_XT_MATCH_PKTTYPE is not set +# CONFIG_NETFILTER_XT_MATCH_QUOTA is not set +# CONFIG_NETFILTER_XT_MATCH_REALM is not set +# CONFIG_NETFILTER_XT_MATCH_SCTP is not set +CONFIG_NETFILTER_XT_MATCH_STATE=m +# CONFIG_NETFILTER_XT_MATCH_STATISTIC is not set +# CONFIG_NETFILTER_XT_MATCH_STRING is not set +# CONFIG_NETFILTER_XT_MATCH_TCPMSS is not set +# CONFIG_NETFILTER_XT_MATCH_HASHLIMIT is not set + +# +# IP: Netfilter Configuration +# +CONFIG_NF_CONNTRACK_IPV4=m +CONFIG_NF_CONNTRACK_PROC_COMPAT=y +# CONFIG_IP_NF_QUEUE is not set +CONFIG_IP_NF_IPTABLES=m +# CONFIG_IP_NF_MATCH_IPRANGE is not set +# CONFIG_IP_NF_MATCH_TOS is not set +# CONFIG_IP_NF_MATCH_RECENT is not set +# CONFIG_IP_NF_MATCH_ECN is not set +# CONFIG_IP_NF_MATCH_AH is not set +# CONFIG_IP_NF_MATCH_TTL is not set +# CONFIG_IP_NF_MATCH_OWNER is not set +# CONFIG_IP_NF_MATCH_ADDRTYPE is not set +CONFIG_IP_NF_FILTER=m +# CONFIG_IP_NF_TARGET_REJECT is not set +CONFIG_IP_NF_TARGET_LOG=m +# CONFIG_IP_NF_TARGET_ULOG is not set +CONFIG_NF_NAT=m +CONFIG_NF_NAT_NEEDED=y +CONFIG_IP_NF_TARGET_MASQUERADE=m +# CONFIG_IP_NF_TARGET_REDIRECT is not set +# CONFIG_IP_NF_TARGET_NETMAP is not set +# CONFIG_IP_NF_TARGET_SAME is not set +# CONFIG_NF_NAT_SNMP_BASIC is not set +CONFIG_NF_NAT_FTP=m +CONFIG_NF_NAT_IRC=m +# CONFIG_NF_NAT_TFTP is not set +# CONFIG_NF_NAT_AMANDA is not set +# CONFIG_NF_NAT_PPTP is not set +# CONFIG_NF_NAT_H323 is not set +# CONFIG_NF_NAT_SIP is not set +# CONFIG_IP_NF_MANGLE is not set +# CONFIG_IP_NF_RAW is not set +# CONFIG_IP_NF_ARPTABLES is not set + +# +# IPv6: Netfilter Configuration (EXPERIMENTAL) +# +# CONFIG_NF_CONNTRACK_IPV6 is not set +# CONFIG_IP6_NF_QUEUE is not set +# CONFIG_IP6_NF_IPTABLES is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +CONFIG_NET_SCHED=y +CONFIG_NET_SCH_FIFO=y + +# +# Queueing/Scheduling +# +CONFIG_NET_SCH_CBQ=m +CONFIG_NET_SCH_HTB=m +CONFIG_NET_SCH_HFSC=m +CONFIG_NET_SCH_PRIO=m +CONFIG_NET_SCH_RED=m +CONFIG_NET_SCH_SFQ=m +CONFIG_NET_SCH_TEQL=m +CONFIG_NET_SCH_TBF=m +CONFIG_NET_SCH_GRED=m +CONFIG_NET_SCH_DSMARK=m +CONFIG_NET_SCH_NETEM=m +CONFIG_NET_SCH_INGRESS=m + +# +# Classification +# +CONFIG_NET_CLS=y +CONFIG_NET_CLS_BASIC=m +CONFIG_NET_CLS_TCINDEX=m +CONFIG_NET_CLS_ROUTE4=m +CONFIG_NET_CLS_ROUTE=y +CONFIG_NET_CLS_FW=m +CONFIG_NET_CLS_U32=m +CONFIG_CLS_U32_PERF=y +CONFIG_CLS_U32_MARK=y +CONFIG_NET_CLS_RSVP=m +CONFIG_NET_CLS_RSVP6=m +CONFIG_NET_EMATCH=y +CONFIG_NET_EMATCH_STACK=32 +CONFIG_NET_EMATCH_CMP=m +CONFIG_NET_EMATCH_NBYTE=m +CONFIG_NET_EMATCH_U32=m +CONFIG_NET_EMATCH_META=m +CONFIG_NET_EMATCH_TEXT=m +CONFIG_NET_CLS_ACT=y +CONFIG_NET_ACT_POLICE=m +CONFIG_NET_ACT_GACT=m +CONFIG_GACT_PROB=y +CONFIG_NET_ACT_MIRRED=m +# CONFIG_NET_ACT_IPT is not set +CONFIG_NET_ACT_PEDIT=m +CONFIG_NET_ACT_SIMP=m +CONFIG_NET_CLS_IND=y +CONFIG_NET_ESTIMATOR=y + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_NET_TCPPROBE is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set +CONFIG_FIB_RULES=y + +# +# Wireless +# +# CONFIG_CFG80211 is not set +CONFIG_WIRELESS_EXT=y +# CONFIG_MAC80211 is not set +CONFIG_IEEE80211=m +# CONFIG_IEEE80211_DEBUG is not set +CONFIG_IEEE80211_CRYPT_WEP=m +CONFIG_IEEE80211_CRYPT_CCMP=m +CONFIG_IEEE80211_CRYPT_TKIP=m +CONFIG_IEEE80211_SOFTMAC=m +CONFIG_IEEE80211_SOFTMAC_DEBUG=y +# CONFIG_RFKILL is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +CONFIG_MTD_CONCAT=m +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_CMDLINE_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=m +CONFIG_MTD_BLKDEVS=m +CONFIG_MTD_BLOCK=m +CONFIG_MTD_BLOCK_RO=m +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +# CONFIG_MTD_CFI is not set +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_TS5500 is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_PMC551 is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +CONFIG_MTD_NAND=y +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +CONFIG_MTD_NAND_IDS=y +# CONFIG_MTD_NAND_DISKONCHIP is not set +CONFIG_MTD_NAND_CAFE=y +# CONFIG_MTD_NAND_CS553X is not set +# CONFIG_MTD_NAND_NANDSIM is not set +# CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ONENAND is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set + +# +# Plug and Play support +# +# CONFIG_PNPACPI is not set + +# +# Block devices +# +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 is not set +# CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=m +CONFIG_BLK_DEV_CRYPTOLOOP=m +CONFIG_BLK_DEV_NBD=m +# CONFIG_BLK_DEV_SX8 is not set +CONFIG_BLK_DEV_UB=m +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=16384 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set + +# +# Misc devices +# +# CONFIG_IBM_ASM is not set +# CONFIG_PHANTOM is not set +# CONFIG_SGI_IOC4 is not set +# CONFIG_TIFM_CORE is not set +# CONFIG_EEPROM_93CX6 is not set +CONFIG_IDE=m +CONFIG_IDE_MAX_HWIFS=4 +CONFIG_BLK_DEV_IDE=m + +# +# Please see Documentation/ide.txt for help/info on IDE drives +# +# CONFIG_BLK_DEV_IDE_SATA is not set +# CONFIG_BLK_DEV_HD_IDE is not set +CONFIG_BLK_DEV_IDEDISK=m +CONFIG_IDEDISK_MULTI_MODE=y +# CONFIG_BLK_DEV_IDECD is not set +# CONFIG_BLK_DEV_IDETAPE is not set +# CONFIG_BLK_DEV_IDEFLOPPY is not set +# CONFIG_BLK_DEV_IDESCSI is not set +CONFIG_IDE_TASK_IOCTL=y +# CONFIG_IDE_PROC_FS is not set + +# +# IDE chipset support/bugfixes +# +CONFIG_IDE_GENERIC=m +# CONFIG_BLK_DEV_CMD640 is not set +CONFIG_BLK_DEV_IDEPCI=y +CONFIG_IDEPCI_SHARE_IRQ=y +# CONFIG_IDEPCI_PCIBUS_ORDER is not set +# CONFIG_BLK_DEV_OFFBOARD is not set +# CONFIG_BLK_DEV_GENERIC is not set +# CONFIG_BLK_DEV_OPTI621 is not set +# CONFIG_BLK_DEV_RZ1000 is not set +CONFIG_BLK_DEV_IDEDMA_PCI=y +# CONFIG_BLK_DEV_IDEDMA_FORCED is not set +CONFIG_IDEDMA_ONLYDISK=y +# CONFIG_BLK_DEV_AEC62XX is not set +# CONFIG_BLK_DEV_ALI15X3 is not set +# CONFIG_BLK_DEV_AMD74XX is not set +# CONFIG_BLK_DEV_ATIIXP is not set +# CONFIG_BLK_DEV_CMD64X is not set +# CONFIG_BLK_DEV_TRIFLEX is not set +# CONFIG_BLK_DEV_CY82C693 is not set +# CONFIG_BLK_DEV_CS5520 is not set +# CONFIG_BLK_DEV_CS5530 is not set +# CONFIG_BLK_DEV_CS5535 is not set +# CONFIG_BLK_DEV_HPT34X is not set +# CONFIG_BLK_DEV_HPT366 is not set +# CONFIG_BLK_DEV_JMICRON is not set +# CONFIG_BLK_DEV_SC1200 is not set +CONFIG_BLK_DEV_PIIX=m +# CONFIG_BLK_DEV_IT8213 is not set +# CONFIG_BLK_DEV_IT821X is not set +# CONFIG_BLK_DEV_NS87415 is not set +# CONFIG_BLK_DEV_PDC202XX_OLD is not set +# CONFIG_BLK_DEV_PDC202XX_NEW is not set +# CONFIG_BLK_DEV_SVWKS is not set +# CONFIG_BLK_DEV_SIIMAGE is not set +# CONFIG_BLK_DEV_SIS5513 is not set +# CONFIG_BLK_DEV_SLC90E66 is not set +# CONFIG_BLK_DEV_TRM290 is not set +# CONFIG_BLK_DEV_VIA82CXXX is not set +# CONFIG_BLK_DEV_TC86C001 is not set +# CONFIG_IDE_ARM is not set +CONFIG_BLK_DEV_IDEDMA=y +# CONFIG_IDEDMA_IVB is not set +# CONFIG_BLK_DEV_HD is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +CONFIG_BLK_DEV_SR=m +CONFIG_BLK_DEV_SR_VENDOR=y +CONFIG_CHR_DEV_SG=m +CONFIG_CHR_DEV_SCH=m + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +CONFIG_SCSI_MULTI_LUN=y +CONFIG_SCSI_CONSTANTS=y +CONFIG_SCSI_LOGGING=y +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set + +# +# SCSI low-level drivers +# +# CONFIG_ISCSI_TCP is not set +# CONFIG_BLK_DEV_3W_XXXX_RAID is not set +# CONFIG_SCSI_3W_9XXX is not set +# CONFIG_SCSI_ACARD is not set +# CONFIG_SCSI_AACRAID is not set +# CONFIG_SCSI_AIC7XXX is not set +# CONFIG_SCSI_AIC7XXX_OLD is not set +# CONFIG_SCSI_AIC79XX is not set +# CONFIG_SCSI_AIC94XX is not set +# CONFIG_SCSI_DPT_I2O is not set +# CONFIG_SCSI_ADVANSYS is not set +# CONFIG_SCSI_ARCMSR is not set +# CONFIG_MEGARAID_NEWGEN is not set +# CONFIG_MEGARAID_LEGACY is not set +# CONFIG_MEGARAID_SAS is not set +# CONFIG_SCSI_HPTIOP is not set +# CONFIG_SCSI_BUSLOGIC is not set +# CONFIG_SCSI_DMX3191D is not set +# CONFIG_SCSI_EATA is not set +# CONFIG_SCSI_FUTURE_DOMAIN is not set +# CONFIG_SCSI_GDTH is not set +# CONFIG_SCSI_IPS is not set +# CONFIG_SCSI_INITIO is not set +# CONFIG_SCSI_INIA100 is not set +# CONFIG_SCSI_STEX is not set +# CONFIG_SCSI_SYM53C8XX_2 is not set +# CONFIG_SCSI_QLOGIC_1280 is not set +# CONFIG_SCSI_QLA_FC is not set +# CONFIG_SCSI_QLA_ISCSI is not set +# CONFIG_SCSI_LPFC is not set +# CONFIG_SCSI_DC395x is not set +# CONFIG_SCSI_DC390T is not set +# CONFIG_SCSI_NSP32 is not set +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_SRP is not set +# CONFIG_ATA is not set + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set + +# +# Fusion MPT device support +# +# CONFIG_FUSION is not set +# CONFIG_FUSION_SPI is not set +# CONFIG_FUSION_FC is not set +# CONFIG_FUSION_SAS is not set + +# +# IEEE 1394 (FireWire) support +# +# CONFIG_FIREWIRE is not set +# CONFIG_IEEE1394 is not set + +# +# I2O device support +# +# CONFIG_I2O is not set +# CONFIG_MACINTOSH_DRIVERS is not set + +# +# Network device support +# +CONFIG_NETDEVICES=y +CONFIG_IFB=m +CONFIG_DUMMY=m +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +CONFIG_TUN=m +# CONFIG_ARCNET is not set +# CONFIG_PHYLIB is not set + +# +# Ethernet (10 or 100Mbit) +# +CONFIG_NET_ETHERNET=y +CONFIG_MII=m +# CONFIG_HAPPYMEAL is not set +# CONFIG_SUNGEM is not set +# CONFIG_CASSINI is not set +# CONFIG_NET_VENDOR_3COM is not set + +# +# Tulip family network device support +# +# CONFIG_NET_TULIP is not set +# CONFIG_HP100 is not set +CONFIG_NET_PCI=y +CONFIG_PCNET32=m +# CONFIG_PCNET32_NAPI is not set +# CONFIG_AMD8111_ETH is not set +# CONFIG_ADAPTEC_STARFIRE is not set +# CONFIG_B44 is not set +# CONFIG_FORCEDETH is not set +# CONFIG_DGRS is not set +# CONFIG_EEPRO100 is not set +# CONFIG_E100 is not set +# CONFIG_FEALNX is not set +# CONFIG_NATSEMI is not set +CONFIG_NE2K_PCI=m +CONFIG_8139CP=m +# CONFIG_8139TOO is not set +# CONFIG_SIS900 is not set +# CONFIG_EPIC100 is not set +# CONFIG_SUNDANCE is not set +# CONFIG_TLAN is not set +# CONFIG_VIA_RHINE is not set +# CONFIG_SC92031 is not set +CONFIG_NETDEV_1000=y +# CONFIG_ACENIC is not set +# CONFIG_DL2K is not set +# CONFIG_E1000 is not set +# CONFIG_NS83820 is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +# CONFIG_R8169 is not set +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set +# CONFIG_SKY2 is not set +# CONFIG_SK98LIN is not set +# CONFIG_VIA_VELOCITY is not set +# CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set +# CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set +CONFIG_NETDEV_10000=y +# CONFIG_CHELSIO_T1 is not set +# CONFIG_CHELSIO_T3 is not set +# CONFIG_IXGB is not set +# CONFIG_S2IO is not set +# CONFIG_MYRI10GE is not set +# CONFIG_NETXEN_NIC is not set +# CONFIG_MLX4_CORE is not set +# CONFIG_TR is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +CONFIG_WLAN_80211=y +# CONFIG_IPW2100 is not set +# CONFIG_IPW2200 is not set +CONFIG_LIBERTAS=m +CONFIG_LIBERTAS_USB=m +CONFIG_LIBERTAS_DEBUG=y +# CONFIG_AIRO is not set +# CONFIG_HERMES is not set +# CONFIG_ATMEL is not set +# CONFIG_PRISM54 is not set +# CONFIG_USB_ZD1201 is not set +# CONFIG_PRISM54_USB is not set +# CONFIG_HOSTAP is not set +# CONFIG_BCM43XX is not set +# CONFIG_ZD1211RW is not set +# CONFIG_ADM8211 is not set +# CONFIG_ACX_PCI is not set +# CONFIG_ACX_USB is not set + +# +# USB Network Adapters +# +CONFIG_USB_CATC=m +CONFIG_USB_KAWETH=m +CONFIG_USB_PEGASUS=m +CONFIG_USB_RTL8150=m +CONFIG_USB_USBNET_MII=m +CONFIG_USB_USBNET=m +CONFIG_USB_NET_AX8817X=m +CONFIG_USB_NET_CDCETHER=m +CONFIG_USB_NET_DM9601=m +CONFIG_USB_NET_GL620A=m +CONFIG_USB_NET_NET1080=m +CONFIG_USB_NET_PLUSB=m +CONFIG_USB_NET_MCS7830=m +CONFIG_USB_NET_RNDIS_HOST=m +CONFIG_USB_NET_CDC_SUBSET=m +CONFIG_USB_ALI_M5632=y +CONFIG_USB_AN2720=y +CONFIG_USB_BELKIN=y +CONFIG_USB_ARMLINUX=y +CONFIG_USB_EPSON2888=y +# CONFIG_USB_KC2190 is not set +CONFIG_USB_NET_ZAURUS=m +# CONFIG_WAN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +CONFIG_PPP=m +CONFIG_PPP_MULTILINK=y +CONFIG_PPP_FILTER=y +CONFIG_PPP_ASYNC=m +CONFIG_PPP_SYNC_TTY=m +CONFIG_PPP_DEFLATE=m +# CONFIG_PPP_BSDCOMP is not set +CONFIG_PPP_MPPE=m +CONFIG_PPPOE=m +CONFIG_SLIP=m +CONFIG_SLIP_COMPRESSED=y +CONFIG_SLHC=m +CONFIG_SLIP_SMART=y +# CONFIG_SLIP_MODE_SLIP6 is not set +# CONFIG_NET_FC is not set +# CONFIG_SHAPER is not set +CONFIG_NETCONSOLE=m +CONFIG_NETPOLL=y +CONFIG_NETPOLL_TRAP=y +CONFIG_NET_POLL_CONTROLLER=y + +# +# ISDN subsystem +# +# CONFIG_ISDN is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=m +# CONFIG_INPUT_MOUSEDEV_PSAUX is not set +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 +CONFIG_INPUT_JOYDEV=m +# CONFIG_INPUT_TSDEV is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +CONFIG_KEYBOARD_ATKBD=y +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +CONFIG_INPUT_MOUSE=y +CONFIG_MOUSE_PS2=m +# CONFIG_MOUSE_PS2_ALPS is not set +# CONFIG_MOUSE_PS2_LOGIPS2PP is not set +# CONFIG_MOUSE_PS2_SYNAPTICS is not set +# CONFIG_MOUSE_PS2_LIFEBOOK is not set +# CONFIG_MOUSE_PS2_TRACKPOINT is not set +# CONFIG_MOUSE_PS2_TOUCHKIT is not set +CONFIG_MOUSE_PS2_OLPC=y +# CONFIG_MOUSE_SERIAL is not set +# CONFIG_MOUSE_APPLETOUCH is not set +# CONFIG_MOUSE_VSXXXAA is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +CONFIG_INPUT_MISC=y +CONFIG_INPUT_PCSPKR=m +# CONFIG_INPUT_WISTRON_BTNS is not set +# CONFIG_INPUT_ATI_REMOTE is not set +# CONFIG_INPUT_ATI_REMOTE2 is not set +# CONFIG_INPUT_KEYSPAN_REMOTE is not set +# CONFIG_INPUT_POWERMATE is not set +# CONFIG_INPUT_YEALINK is not set +CONFIG_INPUT_UINPUT=m + +# +# Hardware I/O ports +# +CONFIG_SERIO=y +CONFIG_SERIO_I8042=y +CONFIG_SERIO_SERPORT=y +# CONFIG_SERIO_CT82C710 is not set +# CONFIG_SERIO_PCIPS2 is not set +CONFIG_SERIO_LIBPS2=y +CONFIG_SERIO_RAW=m +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_PCI=y +CONFIG_SERIAL_8250_NR_UARTS=1 +CONFIG_SERIAL_8250_RUNTIME_UARTS=1 +CONFIG_SERIAL_8250_EXTENDED=y +CONFIG_SERIAL_8250_MANY_PORTS=y +CONFIG_SERIAL_8250_SHARE_IRQ=y +CONFIG_SERIAL_8250_DETECT_IRQ=y +CONFIG_SERIAL_8250_RSA=y + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set +CONFIG_UNIX98_PTYS=y +# CONFIG_LEGACY_PTYS is not set + +# +# IPMI +# +# CONFIG_IPMI_HANDLER is not set +CONFIG_WATCHDOG=y +# CONFIG_WATCHDOG_NOWAYOUT is not set + +# +# Watchdog Device Drivers +# +CONFIG_SOFT_WATCHDOG=m +# CONFIG_ACQUIRE_WDT is not set +# CONFIG_ADVANTECH_WDT is not set +# CONFIG_ALIM1535_WDT is not set +# CONFIG_ALIM7101_WDT is not set +# CONFIG_SC520_WDT is not set +# CONFIG_EUROTECH_WDT is not set +# CONFIG_IB700_WDT is not set +# CONFIG_IBMASR is not set +# CONFIG_WAFER_WDT is not set +# CONFIG_I6300ESB_WDT is not set +# CONFIG_ITCO_WDT is not set +# CONFIG_SC1200_WDT is not set +# CONFIG_PC87413_WDT is not set +# CONFIG_60XX_WDT is not set +# CONFIG_SBC8360_WDT is not set +# CONFIG_CPU5_WDT is not set +# CONFIG_SMSC37B787_WDT is not set +# CONFIG_W83627HF_WDT is not set +# CONFIG_W83697HF_WDT is not set +# CONFIG_W83877F_WDT is not set +# CONFIG_W83977F_WDT is not set +# CONFIG_MACHZ_WDT is not set +# CONFIG_SBC_EPX_C3_WATCHDOG is not set + +# +# PCI-based Watchdog Cards +# +# CONFIG_PCIPCWATCHDOG is not set +# CONFIG_WDTPCI is not set + +# +# USB-based Watchdog Cards +# +# CONFIG_USBPCWATCHDOG is not set +CONFIG_HW_RANDOM=y +# CONFIG_HW_RANDOM_INTEL is not set +# CONFIG_HW_RANDOM_AMD is not set +CONFIG_HW_RANDOM_GEODE=y +# CONFIG_HW_RANDOM_VIA is not set +CONFIG_NVRAM=y +# CONFIG_RTC is not set +# CONFIG_GEN_RTC is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set +# CONFIG_SONYPI is not set +# CONFIG_AGP is not set +# CONFIG_DRM is not set +# CONFIG_MWAVE is not set +# CONFIG_PC8736x_GPIO is not set +# CONFIG_NSC_GPIO is not set +CONFIG_CS5535_GPIO=m +# CONFIG_RAW_DRIVER is not set +CONFIG_HANGCHECK_TIMER=m + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set +# CONFIG_TELCLOCK is not set +CONFIG_DEVPORT=y +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=m + +# +# I2C Algorithms +# +# CONFIG_I2C_ALGOBIT is not set +# CONFIG_I2C_ALGOPCF is not set +# CONFIG_I2C_ALGOPCA is not set + +# +# I2C Hardware Bus support +# +# CONFIG_I2C_ALI1535 is not set +# CONFIG_I2C_ALI1563 is not set +# CONFIG_I2C_ALI15X3 is not set +# CONFIG_I2C_AMD756 is not set +# CONFIG_I2C_AMD8111 is not set +# CONFIG_I2C_I801 is not set +# CONFIG_I2C_I810 is not set +# CONFIG_I2C_PIIX4 is not set +# CONFIG_I2C_NFORCE2 is not set +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_PROSAVAGE is not set +# CONFIG_I2C_SAVAGE4 is not set +# CONFIG_I2C_SIMTEC is not set +CONFIG_SCx200_ACB=y +# CONFIG_I2C_SIS5595 is not set +# CONFIG_I2C_SIS630 is not set +# CONFIG_I2C_SIS96X is not set +# CONFIG_I2C_STUB is not set +# CONFIG_I2C_TINY_USB is not set +# CONFIG_I2C_VIA is not set +# CONFIG_I2C_VIAPRO is not set +# CONFIG_I2C_VOODOO3 is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_SENSORS_DS1337 is not set +# CONFIG_SENSORS_DS1374 is not set +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set + +# +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# +# Dallas's 1-wire bus +# +# CONFIG_W1 is not set +CONFIG_POWER_SUPPLY=y +# CONFIG_POWER_SUPPLY_DEBUG is not set +# CONFIG_PDA_POWER is not set +# CONFIG_BATTERY_DS2760 is not set +CONFIG_BATTERY_OLPC=y +# CONFIG_HWMON is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# +# Multimedia devices +# +CONFIG_VIDEO_DEV=y +# CONFIG_VIDEO_V4L1 is not set +CONFIG_VIDEO_V4L1_COMPAT=y +CONFIG_VIDEO_V4L2=y +CONFIG_VIDEO_CAPTURE_DRIVERS=y +# CONFIG_VIDEO_ADV_DEBUG is not set +# CONFIG_VIDEO_HELPER_CHIPS_AUTO is not set + +# +# Encoders/decoders and other helper chips +# + +# +# Audio decoders +# +# CONFIG_VIDEO_TDA9840 is not set +# CONFIG_VIDEO_TEA6415C is not set +# CONFIG_VIDEO_TEA6420 is not set +# CONFIG_VIDEO_MSP3400 is not set +# CONFIG_VIDEO_CS53L32A is not set +# CONFIG_VIDEO_TLV320AIC23B is not set +# CONFIG_VIDEO_WM8775 is not set +# CONFIG_VIDEO_WM8739 is not set + +# +# Video decoders +# +CONFIG_VIDEO_OV7670=y +# CONFIG_VIDEO_SAA711X is not set +# CONFIG_VIDEO_TVP5150 is not set + +# +# Video and audio decoders +# +# CONFIG_VIDEO_CX25840 is not set + +# +# MPEG video encoders +# +# CONFIG_VIDEO_CX2341X is not set + +# +# Video encoders +# +# CONFIG_VIDEO_SAA7127 is not set + +# +# Video improvement chips +# +# CONFIG_VIDEO_UPD64031A is not set +# CONFIG_VIDEO_UPD64083 is not set +# CONFIG_VIDEO_VIVI is not set +# CONFIG_VIDEO_SAA5246A is not set +# CONFIG_VIDEO_SAA5249 is not set +# CONFIG_VIDEO_SAA7134 is not set +# CONFIG_VIDEO_HEXIUM_ORION is not set +# CONFIG_VIDEO_HEXIUM_GEMINI is not set +# CONFIG_VIDEO_CX88 is not set +CONFIG_VIDEO_CAFE_CCIC=y +CONFIG_V4L_USB_DRIVERS=y +# CONFIG_VIDEO_PVRUSB2 is not set +# CONFIG_VIDEO_USBVISION is not set +# CONFIG_USB_SN9C102 is not set +# CONFIG_USB_ZR364XX is not set +CONFIG_RADIO_ADAPTERS=y +# CONFIG_RADIO_GEMTEK_PCI is not set +# CONFIG_RADIO_MAXIRADIO is not set +# CONFIG_RADIO_MAESTRO is not set +# CONFIG_USB_DSBR is not set +# CONFIG_DVB_CORE is not set +CONFIG_DAB=y +# CONFIG_USB_DABUSB is not set + +# +# Graphics support +# +CONFIG_BACKLIGHT_LCD_SUPPORT=y +CONFIG_BACKLIGHT_CLASS_DEVICE=y +CONFIG_LCD_CLASS_DEVICE=y +# CONFIG_BACKLIGHT_PROGEAR is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set +CONFIG_VGASTATE=m +CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_SYS_FOPS is not set +CONFIG_FB_DEFERRED_IO=y +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +CONFIG_FB_MODE_HELPERS=y +CONFIG_FB_TILEBLITTING=y + +# +# Frame buffer hardware drivers +# +# CONFIG_FB_CIRRUS is not set +# CONFIG_FB_PM2 is not set +# CONFIG_FB_CYBER2000 is not set +# CONFIG_FB_ARC is not set +# CONFIG_FB_ASILIANT is not set +# CONFIG_FB_IMSTT is not set +CONFIG_FB_VGA16=m +CONFIG_FB_VESA=y +# CONFIG_FB_HECUBA is not set +# CONFIG_FB_HGA is not set +# CONFIG_FB_S1D13XXX is not set +# CONFIG_FB_NVIDIA is not set +# CONFIG_FB_RIVA is not set +# CONFIG_FB_I810 is not set +# CONFIG_FB_LE80578 is not set +# CONFIG_FB_INTEL is not set +# CONFIG_FB_MATROX is not set +# CONFIG_FB_RADEON is not set +# CONFIG_FB_ATY128 is not set +# CONFIG_FB_ATY is not set +# CONFIG_FB_S3 is not set +# CONFIG_FB_SAVAGE is not set +# CONFIG_FB_SIS is not set +# CONFIG_FB_NEOMAGIC is not set +# CONFIG_FB_KYRO is not set +# CONFIG_FB_3DFX is not set +# CONFIG_FB_VOODOO1 is not set +# CONFIG_FB_VT8623 is not set +# CONFIG_FB_CYBLA is not set +# CONFIG_FB_TRIDENT is not set +# CONFIG_FB_ARK is not set +# CONFIG_FB_PM3 is not set +CONFIG_FB_GEODE=y +CONFIG_FB_GEODE_LX=y +CONFIG_FB_GEODE_GX=y +# CONFIG_FB_GEODE_GX1 is not set +CONFIG_FB_OLPC_DCON=y +# CONFIG_FB_VIRTUAL is not set + +# +# Console display driver support +# +CONFIG_VGA_CONSOLE=y +CONFIG_VGACON_SOFT_SCROLLBACK=y +CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64 +CONFIG_VIDEO_SELECT=y +CONFIG_DUMMY_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y +CONFIG_FONTS=y +# CONFIG_FONT_8x8 is not set +CONFIG_FONT_8x16=y +# CONFIG_FONT_6x11 is not set +# CONFIG_FONT_7x14 is not set +# CONFIG_FONT_PEARL_8x8 is not set +# CONFIG_FONT_ACORN_8x8 is not set +# CONFIG_FONT_MINI_4x6 is not set +# CONFIG_FONT_SUN8x16 is not set +CONFIG_FONT_SUN12x22=y +# CONFIG_FONT_10x18 is not set +CONFIG_LOGO=y +# CONFIG_LOGO_LINUX_MONO is not set +# CONFIG_LOGO_LINUX_VGA16 is not set +CONFIG_LOGO_LINUX_CLUT224=y + +# +# Sound +# +CONFIG_SOUND=y + +# +# Advanced Linux Sound Architecture +# +CONFIG_SND=y +CONFIG_SND_TIMER=y +CONFIG_SND_PCM=y +CONFIG_SND_HWDEP=m +CONFIG_SND_RAWMIDI=m +CONFIG_SND_SEQUENCER=m +CONFIG_SND_SEQ_DUMMY=m +CONFIG_SND_OSSEMUL=y +CONFIG_SND_MIXER_OSS=m +CONFIG_SND_PCM_OSS=m +CONFIG_SND_PCM_OSS_PLUGINS=y +CONFIG_SND_SEQUENCER_OSS=y +CONFIG_SND_DYNAMIC_MINORS=y +# CONFIG_SND_SUPPORT_OLD_API is not set +CONFIG_SND_VERBOSE_PROCFS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set + +# +# Generic devices +# +CONFIG_SND_MPU401_UART=m +CONFIG_SND_AC97_CODEC=y +CONFIG_SND_DUMMY=m +CONFIG_SND_VIRMIDI=m +CONFIG_SND_MTPAV=m +# CONFIG_SND_SERIAL_U16550 is not set +CONFIG_SND_MPU401=m + +# +# PCI devices +# +# CONFIG_SND_AD1889 is not set +# CONFIG_SND_ALS300 is not set +# CONFIG_SND_ALS4000 is not set +# CONFIG_SND_ALI5451 is not set +# CONFIG_SND_ATIIXP is not set +# CONFIG_SND_ATIIXP_MODEM is not set +# CONFIG_SND_AU8810 is not set +# CONFIG_SND_AU8820 is not set +# CONFIG_SND_AU8830 is not set +# CONFIG_SND_AZT3328 is not set +# CONFIG_SND_BT87X is not set +# CONFIG_SND_CA0106 is not set +# CONFIG_SND_CMIPCI is not set +# CONFIG_SND_CS4281 is not set +# CONFIG_SND_CS46XX is not set +CONFIG_SND_CS5535AUDIO=y +# CONFIG_SND_DARLA20 is not set +# CONFIG_SND_GINA20 is not set +# CONFIG_SND_LAYLA20 is not set +# CONFIG_SND_DARLA24 is not set +# CONFIG_SND_GINA24 is not set +# CONFIG_SND_LAYLA24 is not set +# CONFIG_SND_MONA is not set +# CONFIG_SND_MIA is not set +# CONFIG_SND_ECHO3G is not set +# CONFIG_SND_INDIGO is not set +# CONFIG_SND_INDIGOIO is not set +# CONFIG_SND_INDIGODJ is not set +# CONFIG_SND_EMU10K1 is not set +# CONFIG_SND_EMU10K1X is not set +CONFIG_SND_ENS1370=m +CONFIG_SND_ENS1371=m +# CONFIG_SND_ES1938 is not set +# CONFIG_SND_ES1968 is not set +# CONFIG_SND_FM801 is not set +# CONFIG_SND_HDA_INTEL is not set +# CONFIG_SND_HDSP is not set +# CONFIG_SND_HDSPM is not set +# CONFIG_SND_ICE1712 is not set +# CONFIG_SND_ICE1724 is not set +CONFIG_SND_INTEL8X0=m +# CONFIG_SND_INTEL8X0M is not set +# CONFIG_SND_KORG1212 is not set +# CONFIG_SND_MAESTRO3 is not set +# CONFIG_SND_MIXART is not set +# CONFIG_SND_NM256 is not set +# CONFIG_SND_PCXHR is not set +# CONFIG_SND_RIPTIDE is not set +# CONFIG_SND_RME32 is not set +# CONFIG_SND_RME96 is not set +# CONFIG_SND_RME9652 is not set +# CONFIG_SND_SONICVIBES is not set +# CONFIG_SND_TRIDENT is not set +# CONFIG_SND_VIA82XX is not set +# CONFIG_SND_VIA82XX_MODEM is not set +# CONFIG_SND_VX222 is not set +# CONFIG_SND_YMFPCI is not set +CONFIG_SND_AC97_POWER_SAVE=y + +# +# USB devices +# +CONFIG_SND_USB_AUDIO=m +CONFIG_SND_USB_USX2Y=m +# CONFIG_SND_USB_CAIAQ is not set + +# +# System on Chip audio support +# +# CONFIG_SND_SOC is not set + +# +# Open Sound System +# +# CONFIG_SOUND_PRIME is not set +CONFIG_AC97_BUS=y + +# +# HID Devices +# +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set + +# +# USB Input Devices +# +CONFIG_USB_HID=y +# CONFIG_USB_HIDINPUT_POWERBOOK is not set +# CONFIG_HID_FF is not set +CONFIG_USB_HIDDEV=y + +# +# USB support +# +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set + +# +# Miscellaneous USB options +# +CONFIG_USB_DEVICEFS=y +# CONFIG_USB_DEVICE_CLASS is not set +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_SUSPEND is not set +CONFIG_USB_PERSIST=y +# CONFIG_USB_OTG is not set + +# +# USB Host Controller Drivers +# +CONFIG_USB_EHCI_HCD=y +CONFIG_USB_EHCI_SPLIT_ISO=y +CONFIG_USB_EHCI_ROOT_HUB_TT=y +# CONFIG_USB_EHCI_TT_NEWSCHED is not set +# CONFIG_USB_EHCI_BIG_ENDIAN_MMIO is not set +# CONFIG_USB_ISP116X_HCD is not set +CONFIG_USB_OHCI_HCD=y +# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set +CONFIG_USB_OHCI_LITTLE_ENDIAN=y +# CONFIG_USB_UHCI_HCD is not set +# CONFIG_USB_SL811_HCD is not set + +# +# USB Device Class drivers +# +CONFIG_USB_ACM=m +CONFIG_USB_PRINTER=m + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information +# +CONFIG_USB_STORAGE=y +# CONFIG_USB_STORAGE_DEBUG is not set +CONFIG_USB_STORAGE_DATAFAB=y +CONFIG_USB_STORAGE_FREECOM=y +CONFIG_USB_STORAGE_DPCM=y +CONFIG_USB_STORAGE_USBAT=y +CONFIG_USB_STORAGE_SDDR09=y +CONFIG_USB_STORAGE_SDDR55=y +CONFIG_USB_STORAGE_JUMPSHOT=y +CONFIG_USB_STORAGE_ALAUDA=y +# CONFIG_USB_STORAGE_KARMA is not set +CONFIG_USB_LIBUSUAL=y + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set +# CONFIG_USB_MICROTEK is not set +CONFIG_USB_MON=y + +# +# USB port drivers +# + +# +# USB Serial Converter support +# +CONFIG_USB_SERIAL=m +CONFIG_USB_SERIAL_GENERIC=y +# CONFIG_USB_SERIAL_AIRCABLE is not set +# CONFIG_USB_SERIAL_AIRPRIME is not set +# CONFIG_USB_SERIAL_ARK3116 is not set +# CONFIG_USB_SERIAL_BELKIN is not set +# CONFIG_USB_SERIAL_WHITEHEAT is not set +# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set +CONFIG_USB_SERIAL_CP2101=m +# CONFIG_USB_SERIAL_CYPRESS_M8 is not set +# CONFIG_USB_SERIAL_EMPEG is not set +CONFIG_USB_SERIAL_FTDI_SIO=m +# CONFIG_USB_SERIAL_FUNSOFT is not set +# CONFIG_USB_SERIAL_VISOR is not set +# CONFIG_USB_SERIAL_IPAQ is not set +# CONFIG_USB_SERIAL_IR is not set +# CONFIG_USB_SERIAL_EDGEPORT is not set +# CONFIG_USB_SERIAL_EDGEPORT_TI is not set +# CONFIG_USB_SERIAL_GARMIN is not set +# CONFIG_USB_SERIAL_IPW is not set +# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set +# CONFIG_USB_SERIAL_KEYSPAN is not set +# CONFIG_USB_SERIAL_KLSI is not set +# CONFIG_USB_SERIAL_KOBIL_SCT is not set +# CONFIG_USB_SERIAL_MCT_U232 is not set +# CONFIG_USB_SERIAL_MOS7720 is not set +# CONFIG_USB_SERIAL_MOS7840 is not set +# CONFIG_USB_SERIAL_NAVMAN is not set +CONFIG_USB_SERIAL_PL2303=m +# CONFIG_USB_SERIAL_HP4X is not set +# CONFIG_USB_SERIAL_SAFE is not set +# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set +# CONFIG_USB_SERIAL_TI is not set +# CONFIG_USB_SERIAL_CYBERJACK is not set +# CONFIG_USB_SERIAL_XIRCOM is not set +# CONFIG_USB_SERIAL_OPTION is not set +# CONFIG_USB_SERIAL_OMNINET is not set +# CONFIG_USB_SERIAL_DEBUG is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_AUERSWALD is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_PHIDGET is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_SISUSBVGA is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set + +# +# USB DSL modem support +# + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set +CONFIG_MMC=y +# CONFIG_MMC_DEBUG is not set +# CONFIG_MMC_UNSAFE_RESUME is not set + +# +# MMC/SD Card Drivers +# +CONFIG_MMC_BLOCK=y + +# +# MMC/SD Host Controller Drivers +# +CONFIG_MMC_SDHCI=y +# CONFIG_MMC_WBSD is not set +# CONFIG_MMC_TIFM_SD is not set + +# +# LED devices +# +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y + +# +# LED drivers +# + +# +# LED Triggers +# +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_TIMER=y +# CONFIG_LEDS_TRIGGER_IDE_DISK is not set +CONFIG_LEDS_TRIGGER_HEARTBEAT=y + +# +# InfiniBand support +# +# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# +# CONFIG_EDAC is not set + +# +# Real Time Clock +# +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +# CONFIG_RTC_HCTOSYS is not set +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set + +# +# SPI RTC drivers +# + +# +# Platform RTC drivers +# +CONFIG_RTC_DRV_CMOS=y +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# + +# +# Virtualization +# +# CONFIG_KVM is not set + +# +# Sysprof +# +CONFIG_SYSPROF=m + +# +# File systems +# +CONFIG_EXT2_FS=y +CONFIG_EXT2_FS_XATTR=y +# CONFIG_EXT2_FS_POSIX_ACL is not set +CONFIG_EXT2_FS_SECURITY=y +CONFIG_EXT2_FS_XIP=y +CONFIG_FS_XIP=y +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +CONFIG_EXT3_FS_SECURITY=y +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +CONFIG_QUOTA=y +# CONFIG_QFMT_V1 is not set +CONFIG_QFMT_V2=y +CONFIG_QUOTACTL=y +CONFIG_DNOTIFY=y +CONFIG_AUTOFS_FS=m +CONFIG_AUTOFS4_FS=m +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +CONFIG_ISO9660_FS=m +CONFIG_JOLIET=y +CONFIG_ZISOFS=y +CONFIG_UDF_FS=m +CONFIG_UDF_NLS=y + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=m +CONFIG_MSDOS_FS=m +CONFIG_VFAT_FS=m +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="ascii" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +CONFIG_HUGETLBFS=y +CONFIG_HUGETLB_PAGE=y +CONFIG_PROMFS_FS=y +CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_ECRYPT_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_JFFS2_FS=y +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +CONFIG_JFFS2_FS_WBUF_VERIFY=y +CONFIG_JFFS2_SUMMARY=y +CONFIG_JFFS2_FS_XATTR=y +# CONFIG_JFFS2_FS_POSIX_ACL is not set +CONFIG_JFFS2_FS_SECURITY=y +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +CONFIG_CRAMFS=m +# CONFIG_VXFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Network File Systems +# +CONFIG_NFS_FS=m +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +CONFIG_NFS_V4=y +CONFIG_NFS_DIRECTIO=y +# CONFIG_NFSD is not set +CONFIG_LOCKD=m +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=m +CONFIG_SUNRPC_GSS=m +# CONFIG_SUNRPC_BIND34 is not set +CONFIG_RPCSEC_GSS_KRB5=m +CONFIG_RPCSEC_GSS_SPKM3=m +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_BSD_DISKLABEL is not set +# CONFIG_MINIX_SUBPARTITION is not set +# CONFIG_SOLARIS_X86_PARTITION is not set +# CONFIG_UNIXWARE_DISKLABEL is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set +# CONFIG_SYSV68_PARTITION is not set + +# +# Native Language Support +# +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="utf8" +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_CODEPAGE_737=m +CONFIG_NLS_CODEPAGE_775=m +CONFIG_NLS_CODEPAGE_850=m +CONFIG_NLS_CODEPAGE_852=m +CONFIG_NLS_CODEPAGE_855=m +CONFIG_NLS_CODEPAGE_857=m +CONFIG_NLS_CODEPAGE_860=m +CONFIG_NLS_CODEPAGE_861=m +CONFIG_NLS_CODEPAGE_862=m +CONFIG_NLS_CODEPAGE_863=m +CONFIG_NLS_CODEPAGE_864=m +CONFIG_NLS_CODEPAGE_865=m +CONFIG_NLS_CODEPAGE_866=m +CONFIG_NLS_CODEPAGE_869=m +CONFIG_NLS_CODEPAGE_936=m +CONFIG_NLS_CODEPAGE_950=m +CONFIG_NLS_CODEPAGE_932=m +CONFIG_NLS_CODEPAGE_949=m +CONFIG_NLS_CODEPAGE_874=m +CONFIG_NLS_ISO8859_8=m +CONFIG_NLS_CODEPAGE_1250=m +CONFIG_NLS_CODEPAGE_1251=m +CONFIG_NLS_ASCII=y +CONFIG_NLS_ISO8859_1=m +CONFIG_NLS_ISO8859_2=m +CONFIG_NLS_ISO8859_3=m +CONFIG_NLS_ISO8859_4=m +CONFIG_NLS_ISO8859_5=m +CONFIG_NLS_ISO8859_6=m +CONFIG_NLS_ISO8859_7=m +CONFIG_NLS_ISO8859_9=m +CONFIG_NLS_ISO8859_13=m +CONFIG_NLS_ISO8859_14=m +CONFIG_NLS_ISO8859_15=m +CONFIG_NLS_KOI8_R=m +CONFIG_NLS_KOI8_U=m +CONFIG_NLS_UTF8=m + +# +# Distributed Lock Manager +# +# CONFIG_DLM is not set + +# +# Instrumentation Support +# +CONFIG_PROFILING=y +CONFIG_OPROFILE=m +CONFIG_KPROBES=y + +# +# Kernel hacking +# +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_PRINTK_TIME=y +# CONFIG_ENABLE_MUST_CHECK is not set +CONFIG_MAGIC_SYSRQ=y +CONFIG_UNUSED_SYMBOLS=y +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +CONFIG_SCHEDSTATS=y +CONFIG_TIMER_STATS=y +# CONFIG_DEBUG_SLAB is not set +CONFIG_DEBUG_PREEMPT=y +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +CONFIG_DEBUG_SPINLOCK=y +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +CONFIG_DEBUG_SPINLOCK_SLEEP=y +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +CONFIG_DEBUG_INFO=y +CONFIG_DEBUG_VM=y +CONFIG_DEBUG_LIST=y +# CONFIG_FRAME_POINTER is not set +# CONFIG_FORCED_INLINING is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_LKDTM is not set +# CONFIG_FAULT_INJECTION is not set +CONFIG_EARLY_PRINTK=y +CONFIG_DEBUG_STACKOVERFLOW=y +CONFIG_DEBUG_STACK_USAGE=y + +# +# Page alloc debug is incompatible with Software Suspend on i386 +# +CONFIG_DEBUG_RODATA=y +CONFIG_4KSTACKS=y +CONFIG_DOUBLEFAULT=y + +# +# Security options +# +CONFIG_KEYS=y +CONFIG_KEYS_DEBUG_PROC_KEYS=y +CONFIG_SECURITY=y +CONFIG_SECURITY_NETWORK=y +CONFIG_SECURITY_NETWORK_XFRM=y +CONFIG_SECURITY_CAPABILITIES=y +# CONFIG_SECURITY_ROOTPLUG is not set +CONFIG_SECURITY_SELINUX=y +CONFIG_SECURITY_SELINUX_BOOTPARAM=y +CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=1 +# CONFIG_SECURITY_SELINUX_DISABLE is not set +CONFIG_SECURITY_SELINUX_DEVELOP=y +CONFIG_SECURITY_SELINUX_AVC_STATS=y +CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1 +# CONFIG_SECURITY_SELINUX_ENABLE_SECMARK_DEFAULT is not set +# CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX is not set + +# +# Cryptographic options +# +CONFIG_CRYPTO=y +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_HMAC=y +CONFIG_CRYPTO_XCBC=m +CONFIG_CRYPTO_NULL=m +CONFIG_CRYPTO_MD4=m +CONFIG_CRYPTO_MD5=y +CONFIG_CRYPTO_SHA1=y +CONFIG_CRYPTO_SHA256=m +CONFIG_CRYPTO_SHA512=m +CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_TGR192=m +CONFIG_CRYPTO_GF128MUL=m +CONFIG_CRYPTO_ECB=m +CONFIG_CRYPTO_CBC=m +CONFIG_CRYPTO_PCBC=m +CONFIG_CRYPTO_LRW=m +# CONFIG_CRYPTO_CRYPTD is not set +CONFIG_CRYPTO_DES=m +CONFIG_CRYPTO_FCRYPT=m +CONFIG_CRYPTO_BLOWFISH=m +CONFIG_CRYPTO_TWOFISH=m +CONFIG_CRYPTO_TWOFISH_COMMON=m +# CONFIG_CRYPTO_TWOFISH_586 is not set +CONFIG_CRYPTO_SERPENT=m +CONFIG_CRYPTO_AES=m +CONFIG_CRYPTO_AES_586=m +CONFIG_CRYPTO_CAST5=m +CONFIG_CRYPTO_CAST6=m +CONFIG_CRYPTO_TEA=m +CONFIG_CRYPTO_ARC4=m +CONFIG_CRYPTO_KHAZAD=m +CONFIG_CRYPTO_ANUBIS=m +CONFIG_CRYPTO_DEFLATE=m +CONFIG_CRYPTO_MICHAEL_MIC=m +CONFIG_CRYPTO_CRC32C=m +CONFIG_CRYPTO_CAMELLIA=m +# CONFIG_CRYPTO_TEST is not set + +# +# Hardware crypto devices +# +# CONFIG_CRYPTO_DEV_PADLOCK is not set +CONFIG_CRYPTO_DEV_GEODE=y + +# +# Library routines +# +CONFIG_BITREVERSE=y +CONFIG_CRC_CCITT=m +CONFIG_CRC16=m +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +CONFIG_LIBCRC32C=m +CONFIG_AUDIT_GENERIC=y +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=y +CONFIG_REED_SOLOMON=y +CONFIG_REED_SOLOMON_DEC16=y +CONFIG_TEXTSEARCH=y +CONFIG_TEXTSEARCH_KMP=m +CONFIG_TEXTSEARCH_BM=m +CONFIG_TEXTSEARCH_FSM=m +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_X86_BIOS_REBOOT=y +CONFIG_KTIME_SCALAR=y diff --git a/target/linux/olpc/files-2.6.23/arch/i386/kernel/mfgpt.c b/target/linux/olpc/files-2.6.23/arch/i386/kernel/mfgpt.c new file mode 100644 index 000000000..2e62a41e7 --- /dev/null +++ b/target/linux/olpc/files-2.6.23/arch/i386/kernel/mfgpt.c @@ -0,0 +1,354 @@ +/* Driver/API for AMD Geode Multi-Function General Purpose Timers (MFGPT) + * + * Copyright (C) 2006, Advanced Micro Devices, Inc. + * + * 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. + */ + +/* The MFPGT timers on the CS5536 provide us with suitable timers to use + * as clock event sources - not as good as a HPET or APIC, but certainly + * better then the PIT. This isn't a general purpose MFGPT driver, but + * a simplified one designed specifically to act as a clock event source. + * For full details about the MFGPT, please consult the CS5536 data sheet. +*/ + +/* We are using the 32Khz input clock - its the only one that has the + * ranges we find desirable. The following table lists the suitable + * divisors and the associated hz, minimum interval + * and the maximum interval: + + Divisor Hz Min Delta (S) Max Delta (S) + 1 32000 .0005 2.048 + 2 16000 .001 4.096 + 4 8000 .002 8.192 + 8 4000 .004 16.384 + 16 2000 .008 32.768 + 32 1000 .016 65.536 + 64 500 .032 131.072 + 128 250 .064 262.144 + 256 125 .128 524.288 +*/ + +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/clocksource.h> +#include <linux/clockchips.h> +#include <asm/geode.h> + +#include "do_timer.h" + +#define MFGPT_MAX_TIMERS 8 + +#define F_AVAIL 0x01 + +static struct mfgpt_timer_t { + int flags; + struct module *owner; +} mfgpt_timers[MFGPT_MAX_TIMERS]; + +/* Selected from the table above */ + +#define MFGPT_DIVISOR 16 +#define MFGPT_SCALE 4 /* divisor = 2^(scale) */ +#define MFGPT_HZ (32000 / MFGPT_DIVISOR) +#define MFGPT_PERIODIC (MFGPT_HZ / HZ) + +#ifdef CONFIG_GEODE_MFGPT_TIMER +static int __init mfgpt_timer_setup(void); +#else +#define mfgpt_timer_setup() (0) +#endif + +/* Allow for disabling of MFGPTs */ +static int disable = 0; +static int __init mfgpt_disable(char *s) +{ + disable = 1; + return 1; +} +__setup("nomfgpt", mfgpt_disable); + +/* + * Check whether any MFGPTs are available for the kernel to use. In most + * cases, firmware that uses AMD's VSA code will claim all timers during + * bootup; we certainly don't want to take them if they're already in use. + * In other cases (such as with VSAless OpenFirmware), the system firmware + * leaves timers available for us to use. + */ +int __init geode_mfgpt_detect(void) +{ + int count = 0, i; + u16 val; + + if (disable) { + printk(KERN_INFO "geode-mfgpt: Skipping MFGPT setup\n"); + return 0; + } + + for (i = 0; i < MFGPT_MAX_TIMERS; i++) { + val = geode_mfgpt_read(i, MFGPT_REG_SETUP); + if (!(val & MFGPT_SETUP_SETUP)) { + mfgpt_timers[i].flags = F_AVAIL; + count++; + } + } + + /* set up clock event device, if desired */ + i = mfgpt_timer_setup(); + + return count; +} + +int geode_mfgpt_toggle_event(int timer, int cmp, int event, int enable) +{ + u32 msr, mask, value, dummy; + int shift = (cmp == MFGPT_CMP1) ? 0 : 8; + + if (timer < 0 || timer >= MFGPT_MAX_TIMERS) + return -EIO; + + /* + * The register maps for these are described in sections 6.17.1.x of + * the AMD Geode CS5536 Companion Device Data Book. + */ + switch(event) { + case MFGPT_EVENT_RESET: + /* XXX: According to the docs, we cannot reset timers above + * 6; that is, resets for 7 and 8 will be ignored. Is this + * a problem? */ + msr = MFGPT_NR_MSR; + mask = 1 << (timer + 24); + break; + + case MFGPT_EVENT_NMI: + msr = MFGPT_NR_MSR; + mask = 1 << (timer + shift); + break; + + case MFGPT_EVENT_IRQ: + msr = MFGPT_IRQ_MSR; + mask = 1 << (timer + shift); + break; + + default: + return -EIO; + } + + rdmsr(msr, value, dummy); + + if (enable) + value |= mask; + else + value &= ~mask; + + wrmsr(msr, value, dummy); + return 0; +} +EXPORT_SYMBOL(geode_mfgpt_toggle_event); + +int geode_mfgpt_set_irq(int timer, int cmp, int irq, int enable) +{ + u32 val, dummy; + int offset; + + if (timer < 0 || timer >= MFGPT_MAX_TIMERS) + return -EIO; + + if (geode_mfgpt_toggle_event(timer, cmp, MFGPT_EVENT_IRQ, enable)) + return -EIO; + + rdmsr(0x51400022, val, dummy); + + offset = (timer % 4) * 4; + + val &= ~((0xF << offset) | (0xF << (offset + 16))); + + if (enable) { + val |= (irq & 0x0F) << (offset); + val |= (irq & 0x0F) << (offset + 16); + } + + wrmsr(0x51400022, val, dummy); + return 0; +} +EXPORT_SYMBOL(geode_mfgpt_set_irq); + +static int mfgpt_get(int timer, struct module *owner) +{ + mfgpt_timers[timer].flags &= ~F_AVAIL; + mfgpt_timers[timer].owner = owner; + printk(KERN_INFO "geode-mfgpt: Registered timer %d\n", timer); + return timer; +} + +int geode_mfgpt_alloc_timer(int timer, int domain, struct module *owner) +{ + int i; + + if (!geode_get_dev_base(GEODE_DEV_MFGPT)) + return -ENODEV; + if (timer >= MFGPT_MAX_TIMERS) + return -EIO; + + if (timer < 0) { + /* Try to find an available timer */ + for (i = 0; i < MFGPT_MAX_TIMERS; i++) { + if (mfgpt_timers[i].flags & F_AVAIL) + return mfgpt_get(i, owner); + + if (i == 5 && domain == MFGPT_DOMAIN_WORKING) + break; + } + } + else { + /* If they requested a specific timer, try to honor that */ + if (mfgpt_timers[timer].flags & F_AVAIL) + return mfgpt_get(timer, owner); + } + + /* No timers available - too bad */ + return -1; +} +EXPORT_SYMBOL(geode_mfgpt_alloc_timer); + +#ifdef CONFIG_GEODE_MFGPT_TIMER + +static unsigned int mfgpt_tick_mode = CLOCK_EVT_MODE_SHUTDOWN; +static u16 mfgpt_event_clock; + +static int irq = 7; +static int __init mfgpt_setup(char *str) +{ + get_option(&str, &irq); + return 1; +} +__setup("mfgpt_irq=", mfgpt_setup); + +static inline void mfgpt_disable_timer(u16 clock) +{ + u16 val = geode_mfgpt_read(clock, MFGPT_REG_SETUP); + geode_mfgpt_write(clock, MFGPT_REG_SETUP, val & ~MFGPT_SETUP_CNTEN); +} + +static int mfgpt_next_event(unsigned long, struct clock_event_device *); +static void mfgpt_set_mode(enum clock_event_mode, struct clock_event_device *); + +static struct clock_event_device mfgpt_clockevent = { + .name = "mfgpt-timer", + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .set_mode = mfgpt_set_mode, + .set_next_event = mfgpt_next_event, + .rating = 250, + .cpumask = CPU_MASK_ALL, + .shift = 32 +}; + +static inline void mfgpt_start_timer(u16 clock, u16 delta) +{ + geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_CMP2, (u16) delta); + geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_COUNTER, 0); + + geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_SETUP, + MFGPT_SETUP_CNTEN | MFGPT_SETUP_CMP2); +} + +static void mfgpt_set_mode(enum clock_event_mode mode, + struct clock_event_device *evt) +{ + mfgpt_disable_timer(mfgpt_event_clock); + + if (mode == CLOCK_EVT_MODE_PERIODIC) + mfgpt_start_timer(mfgpt_event_clock, MFGPT_PERIODIC); + + mfgpt_tick_mode = mode; +} + +static int mfgpt_next_event(unsigned long delta, struct clock_event_device *evt) +{ + mfgpt_start_timer(mfgpt_event_clock, delta); + return 0; +} + +/* Assume (foolishly?), that this interrupt was due to our tick */ + +static irqreturn_t mfgpt_tick(int irq, void *dev_id) +{ + if (mfgpt_tick_mode == CLOCK_EVT_MODE_SHUTDOWN) + return IRQ_HANDLED; + + /* Turn off the clock */ + mfgpt_disable_timer(mfgpt_event_clock); + + /* Clear the counter */ + geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_COUNTER, 0); + + /* Restart the clock in periodic mode */ + + if (mfgpt_tick_mode == CLOCK_EVT_MODE_PERIODIC) { + geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_SETUP, + MFGPT_SETUP_CNTEN | MFGPT_SETUP_CMP2); + } + + mfgpt_clockevent.event_handler(&mfgpt_clockevent); + return IRQ_HANDLED; +} + +static struct irqaction mfgptirq = { + .handler = mfgpt_tick, + .flags = IRQF_DISABLED | IRQF_NOBALANCING, + .mask = CPU_MASK_NONE, + .name = "mfgpt-timer" +}; + +static int __init mfgpt_timer_setup(void) +{ + int timer, ret; + u16 val; + + timer = geode_mfgpt_alloc_timer(MFGPT_TIMER_ANY, MFGPT_DOMAIN_WORKING, THIS_MODULE); + if (timer < 0) { + printk(KERN_ERR "mfgpt-timer: Could not allocate a MFPGT timer\n"); + return -ENODEV; + } + + mfgpt_event_clock = timer; + /* Set the clock scale and enable the event mode for CMP2 */ + val = MFGPT_SCALE | (3 << 8); + + geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_SETUP, val); + + /* Set up the IRQ on the MFGPT side */ + if (geode_mfgpt_setup_irq(mfgpt_event_clock, MFGPT_CMP2, irq)) { + printk(KERN_ERR "mfgpt-timer: Could not set up IRQ %d\n", irq); + return -EIO; + } + + /* And register it with the kernel */ + ret = setup_irq(irq, &mfgptirq); + + if (ret) { + printk(KERN_ERR "mfgpt-timer: Unable to set up the interrupt.\n"); + goto err; + } + + /* Set up the clock event */ + mfgpt_clockevent.mult = div_sc(MFGPT_HZ, NSEC_PER_SEC, 32); + mfgpt_clockevent.min_delta_ns = clockevent_delta2ns(0xF, &mfgpt_clockevent); + mfgpt_clockevent.max_delta_ns = clockevent_delta2ns(0xFFFE, &mfgpt_clockevent); + + printk("mfgpt-timer: registering the MFGT timer as a clock event.\n"); + clockevents_register_device(&mfgpt_clockevent); + + return 0; + +err: + geode_mfgpt_release_irq(mfgpt_event_clock, MFGPT_CMP2, irq); + printk(KERN_ERR "mfgpt-timer: Unable to set up the MFGPT clock source\n"); + return -EIO; +} + +#endif diff --git a/target/linux/olpc/files-2.6.23/arch/i386/kernel/ofw.c b/target/linux/olpc/files-2.6.23/arch/i386/kernel/ofw.c new file mode 100644 index 000000000..fdcd93629 --- /dev/null +++ b/target/linux/olpc/files-2.6.23/arch/i386/kernel/ofw.c @@ -0,0 +1,100 @@ +/* + * ofw.c - Open Firmware client interface for 32-bit systems. + * This code is intended to be portable to any 32-bit Open Firmware + * implementation with a standard client interface that can be + * called when Linux is running. + * + * Copyright (C) 2007 Mitch Bradley <wmb@firmworks.com> + * Copyright (C) 2007 Andres Salomon <dilinger@debian.org> + */ + +#include <stdarg.h> +#include <linux/spinlock.h> +#include <linux/module.h> +#include <asm/ofw.h> + + +int (*call_firmware)(int *); + +static DEFINE_SPINLOCK(prom_lock); + +#define MAXARGS 20 + +/* + * The return value from ofw() in all cases is 0 if the attempt to call the + * function succeeded, <0 otherwise. That return value is from the + * gateway function only. Any results from the called function are returned + * via output argument pointers. + * + * Here are call templates for all the standard OFW client services: + * + * ofw("test", 1, 1, namestr, &missing); + * ofw("peer", 1, 1, phandle, &sibling_phandle); + * ofw("child", 1, 1, phandle, &child_phandle); + * ofw("parent", 1, 1, phandle, &parent_phandle); + * ofw("instance_to_package", 1, 1, ihandle, &phandle); + * ofw("getproplen", 2, 1, phandle, namestr, &proplen); + * ofw("getprop", 4, 1, phandle, namestr, bufaddr, buflen, &size); + * ofw("nextprop", 3, 1, phandle, previousstr, bufaddr, &flag); + * ofw("setprop", 4, 1, phandle, namestr, bufaddr, len, &size); + * ofw("canon", 3, 1, devspecstr, bufaddr, buflen, &length); + * ofw("finddevice", 1, 1, devspecstr, &phandle); + * ofw("instance-to-path", 3, 1, ihandle, bufaddr, buflen, &length); + * ofw("package-to-path", 3, 1, phandle, bufaddr, buflen, &length); + * ofw("call_method", numin, numout, in0, in1, ..., &out0, &out1, ...); + * ofw("open", 1, 1, devspecstr, &ihandle); + * ofw("close", 1, 0, ihandle); + * ofw("read", 3, 1, ihandle, addr, len, &actual); + * ofw("write", 3, 1, ihandle, addr, len, &actual); + * ofw("seek", 3, 1, ihandle, pos_hi, pos_lo, &status); + * ofw("claim", 3, 1, virtaddr, size, align, &baseaddr); + * ofw("release", 2, 0, virtaddr, size); + * ofw("boot", 1, 0, bootspecstr); + * ofw("enter", 0, 0); + * ofw("exit", 0, 0); + * ofw("chain", 5, 0, virtaddr, size, entryaddr, argsaddr, len); + * ofw("interpret", numin+1, numout+1, cmdstr, in0, ..., &catchres, &out0, ...); + * ofw("set-callback", 1, 1, newfuncaddr, &oldfuncaddr); + * ofw("set-symbol-lookup", 2, 0, symtovaladdr, valtosymaddr); + * ofw("milliseconds", 0, 1, &ms); + */ + +int ofw(char *name, int numargs, int numres, ...) +{ + va_list ap; + int argarray[MAXARGS+3]; + int argnum = 3; + int retval; + int *intp; + unsigned long flags; + + if (!call_firmware) + return -1; + if ((numargs + numres) > MAXARGS) + return -1; /* spit out an error? */ + + argarray[0] = (int) name; + argarray[1] = numargs; + argarray[2] = numres; + + va_start(ap, numres); + while (numargs) { + argarray[argnum++] = va_arg(ap, int); + numargs--; + } + + spin_lock_irqsave(&prom_lock, flags); + retval = call_firmware(argarray); + spin_unlock_irqrestore(&prom_lock, flags); + + if (retval == 0) { + while (numres) { + intp = va_arg(ap, int *); + *intp = argarray[argnum++]; + numres--; + } + } + va_end(ap); + return retval; +} +EXPORT_SYMBOL(ofw); diff --git a/target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc-pm.c b/target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc-pm.c new file mode 100644 index 000000000..93149f1c3 --- /dev/null +++ b/target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc-pm.c @@ -0,0 +1,785 @@ +/* olpc-pm.c + * © 2006 Red Hat, Inc. + * Portions also copyright 2006 Advanced Micro Devices, Inc. + * GPLv2 + */ + +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/input.h> +#include <linux/suspend.h> +#include <linux/bootmem.h> +#include <linux/platform_device.h> +#include <linux/rtc.h> +#include <linux/mc146818rtc.h> +#include <asm/io.h> + +#include <asm/olpc.h> + +/* A few words about accessing the ACPI and PM registers. Long story short, + byte and word accesses of the ACPI and PM registers is broken. The only + way to do it really correctly is to use dword accesses, which we do + throughout this code. For more details, please consult Eratta 17 and 18 + here: + + http://www.amd.com/files/connectivitysolutions/geode/geode_gx/34472D_CS5536_B1_specupdate.pdf +*/ + +#define PM_IRQ 3 + +#define CS5536_PM_PWRBTN (1 << 8) +#define CS5536_PM_RTC (1 << 10) + +#define GPIO_WAKEUP_EC (1 << 31) +#define GPIO_WAKEUP_LID (1 << 30) + +#define PM_MODE_NORMAL 0 +#define PM_MODE_TEST 1 +#define PM_MODE_MAX 2 + +/* These, and the battery EC commands, should be in an olpc.h. */ +#define EC_WRITE_SCI_MASK 0x1b +#define EC_READ_SCI_MASK 0x1c + +extern void do_olpc_suspend_lowlevel(void); + +static struct { + unsigned long address; + unsigned short segment; +} ofw_bios_entry = { 0, __KERNEL_CS }; + +static int olpc_pm_mode = PM_MODE_NORMAL; +static unsigned long acpi_base; +static unsigned long pms_base; +static int sci_irq; +static int olpc_lid_flag; + +static struct input_dev *pm_inputdev; +static struct input_dev *lid_inputdev; +static struct input_dev *ebook_inputdev; +static struct pm_ops olpc_pm_ops; + +static int gpio_wake_events = 0; +static int ebook_state = -1; +static u16 olpc_wakeup_mask = 0; + +struct platform_device olpc_powerbutton_dev = { + .name = "powerbutton", + .id = -1, +}; + +struct platform_device olpc_lid_dev = { + .name = "lid", + .id = -1, +}; + +static void __init init_ebook_state(void) +{ + if (olpc_ec_cmd(0x2a, NULL, 0, (unsigned char *) &ebook_state, 1)) { + printk(KERN_WARNING "olpc-pm: failed to get EBOOK state!\n"); + ebook_state = 0; + } + ebook_state &= 1; + + /* the input layer needs to know what value to default to as well */ + input_report_switch(ebook_inputdev, SW_TABLET_MODE, ebook_state); + input_sync(ebook_inputdev); +} + +static void (*battery_callback)(unsigned long); +static DEFINE_SPINLOCK(battery_callback_lock); + +/* propagate_events is non-NULL if run from workqueue, + NULL when called at init time to flush SCI queue */ +static void process_sci_queue(struct work_struct *propagate_events) +{ + unsigned char data = 0; + unsigned char battery_events = 0; + int ret; + + do { + ret = olpc_ec_cmd(0x84, NULL, 0, &data, 1); + if (!ret) { + printk(KERN_DEBUG "olpc-pm: SCI 0x%x received\n", + data); + + switch (data) { + case EC_SCI_SRC_EMPTY: + case EC_SCI_SRC_GAME: + case EC_SCI_SRC_WLAN: + /* we ignore these for now */ + break; + case EC_SCI_SRC_BATERR: + printk(KERN_ERR "olpc-pm: Battery Management System detected an error! Remove turnip from battery slot.\n"); + case EC_SCI_SRC_BATSOC: + case EC_SCI_SRC_BATTERY: + case EC_SCI_SRC_ACPWR: + battery_events |= data; + break; + case EC_SCI_SRC_EBOOK: + ebook_state = !ebook_state; + if (propagate_events) { + input_report_switch(ebook_inputdev, + SW_TABLET_MODE, ebook_state); + input_sync(ebook_inputdev); + } + break; + default: + printk(KERN_ERR "olpc-pm: Unknown SCI event 0x%x occurred!\n", data); + } + } + } while (data && !ret); + + if (battery_events && battery_callback && propagate_events) { + void (*cbk)(unsigned long); + + /* Older EC versions didn't distinguish between AC and battery + events */ + if (olpc_platform_info.ecver < 0x45) + battery_events = EC_SCI_SRC_BATTERY | EC_SCI_SRC_ACPWR; + + spin_lock(&battery_callback_lock); + cbk = battery_callback; + spin_unlock(&battery_callback_lock); + + cbk(battery_events); + } + + if (ret) + printk(KERN_WARNING "Failed to clear SCI queue!\n"); +} + +static DECLARE_WORK(sci_work, process_sci_queue); + +void olpc_register_battery_callback(void (*f)(unsigned long)) +{ + spin_lock(&battery_callback_lock); + battery_callback = f; + spin_unlock(&battery_callback_lock); +} +EXPORT_SYMBOL_GPL(olpc_register_battery_callback); + +void olpc_deregister_battery_callback(void) +{ + spin_lock(&battery_callback_lock); + battery_callback = NULL; + spin_unlock(&battery_callback_lock); + cancel_work_sync(&sci_work); +} +EXPORT_SYMBOL_GPL(olpc_deregister_battery_callback); + + +static int olpc_pm_interrupt(int irq, void *id) +{ + uint32_t sts, gpe = 0; + + sts = inl(acpi_base + PM1_STS); + outl(sts | 0xFFFF, acpi_base + PM1_STS); + + if (olpc_get_rev() >= OLPC_REV_B2) { + gpe = inl(acpi_base + PM_GPE0_STS); + outl(0xFFFFFFFF, acpi_base + PM_GPE0_STS); + } + + if (sts & CS5536_PM_PWRBTN) { + input_report_key(pm_inputdev, KEY_POWER, 1); + input_sync(pm_inputdev); + printk(KERN_DEBUG "olpm-pm: PM_PWRBTN event received\n"); + /* Do we need to delay this (and hence schedule_work)? */ + input_report_key(pm_inputdev, KEY_POWER, 0); + input_sync(pm_inputdev); + } + + if (gpe & GPIO_WAKEUP_EC) { + geode_gpio_clear(OLPC_GPIO_ECSCI, GPIO_NEGATIVE_EDGE_STS); + schedule_work(&sci_work); + } + + if (gpe & GPIO_WAKEUP_LID) { + /* Disable events */ + geode_gpio_clear(OLPC_GPIO_LID, GPIO_EVENTS_ENABLE); + + /* Clear the edge */ + + if (olpc_lid_flag) + geode_gpio_clear(OLPC_GPIO_LID, GPIO_NEGATIVE_EDGE_EN); + else + geode_gpio_clear(OLPC_GPIO_LID, GPIO_POSITIVE_EDGE_EN); + + /* Clear the status too */ + geode_gpio_set(OLPC_GPIO_LID, GPIO_NEGATIVE_EDGE_STS); + geode_gpio_set(OLPC_GPIO_LID, GPIO_POSITIVE_EDGE_STS); + + /* The line is high when the LID is open, but SW_LID + * should be high when the LID is closed, so we pass the old + * value of olpc_lid_flag + */ + + input_report_switch(lid_inputdev, SW_LID, olpc_lid_flag); + input_sync(lid_inputdev); + + /* Swap the status */ + olpc_lid_flag = !olpc_lid_flag; + + if (olpc_lid_flag) + geode_gpio_set(OLPC_GPIO_LID, GPIO_NEGATIVE_EDGE_EN); + else + geode_gpio_set(OLPC_GPIO_LID, GPIO_POSITIVE_EDGE_EN); + + /* re-enable the event */ + geode_gpio_set(OLPC_GPIO_LID, GPIO_EVENTS_ENABLE); + } + + return IRQ_HANDLED; +} + +/* + * For now, only support STR. We also don't support suspending on + * B1s, due to difficulties with the cafe FPGA. + */ +static int olpc_pm_state_valid(suspend_state_t pm_state) +{ + if (pm_state == PM_SUSPEND_MEM && olpc_rev_after(OLPC_REV_B1)) + return 1; + + return 0; +} + +/* This is a catchall function for operations that just don't belong + * anywhere else. Later we will evaluate if these belong in the + * individual device drivers or the firmware. + * If you add something to this function, please explain yourself with + * a comment. + */ + +extern void gxfb_flatpanel_control(int state); + +static u32 gpio_wakeup[2]; +static u64 irq_sources[4]; +static u64 mfgpt_irq_msr, mfgpt_nr_msr; + +void olpc_fixup_wakeup(void) +{ + u32 base = geode_gpio_base(); + int i; + + /* This clears any pending events from the status register - + * the firmware also does this, but its possible that it tries + * it too early before the key has a chance to debounce + */ + + outl((CS5536_PM_PWRBTN << 16) | 0xFFFF, acpi_base + PM1_STS); + + /* Enable the flatpanel sequencing as early as possible, because + it takes ~64ms to resume. This probably belongs in the firmware */ + + //gxfb_flatpanel_control(1); + + /* Restore the interrupt sources */ + wrmsrl(MSR_PIC_YSEL_LOW, irq_sources[0]); + wrmsrl(MSR_PIC_ZSEL_LOW, irq_sources[1]); + wrmsrl(MSR_PIC_YSEL_HIGH, irq_sources[2]); + wrmsrl(MSR_PIC_ZSEL_HIGH, irq_sources[3]); + + /* Restore the X and Y sources for GPIO */ + outl(gpio_wakeup[0], base + GPIO_MAP_X); + outl(gpio_wakeup[1], base + GPIO_MAP_Y); + + /* Resture the MFGPT MSRs */ + wrmsrl(MFGPT_IRQ_MSR, mfgpt_irq_msr); + wrmsrl(MFGPT_NR_MSR, mfgpt_nr_msr); + + for (i=0;i<2;i++) { + /* tell the wireless module to restart USB communication */ + olpc_ec_cmd(0x24, NULL, 0, NULL, 0); + } +} + +void olpc_fixup_sleep(void) +{ + u32 base = geode_gpio_base(); + int i; + + /* Save the X and Y sources for GPIO */ + gpio_wakeup[0] = inl(base + GPIO_MAP_X); + gpio_wakeup[1] = inl(base + GPIO_MAP_Y); + + /* Save the Y and Z unrestricted sources */ + + rdmsrl(MSR_PIC_YSEL_LOW, irq_sources[0]); + rdmsrl(MSR_PIC_ZSEL_LOW, irq_sources[1]); + rdmsrl(MSR_PIC_YSEL_HIGH, irq_sources[2]); + rdmsrl(MSR_PIC_ZSEL_HIGH, irq_sources[3]); + + /* Turn off the MFGPT timers on the way down */ + + for(i = 0; i < 8; i++) { + u32 val = geode_mfgpt_read(i, MFGPT_REG_SETUP); + + if (val & MFGPT_SETUP_SETUP) { + val &= ~MFGPT_SETUP_CNTEN; + geode_mfgpt_write(i, MFGPT_REG_SETUP, val); + } + } + + /* Save the MFGPT MSRs */ + rdmsrl(MFGPT_IRQ_MSR, mfgpt_irq_msr); + rdmsrl(MFGPT_NR_MSR, mfgpt_nr_msr); + + if (device_may_wakeup(&olpc_powerbutton_dev.dev)) + olpc_wakeup_mask |= CS5536_PM_PWRBTN; + else + olpc_wakeup_mask &= ~(CS5536_PM_PWRBTN); + + if (device_may_wakeup(&olpc_lid_dev.dev)) { + geode_gpio_set(OLPC_GPIO_LID, GPIO_EVENTS_ENABLE); + gpio_wake_events |= GPIO_WAKEUP_LID; + } else { + geode_gpio_clear(OLPC_GPIO_LID, GPIO_EVENTS_ENABLE); + gpio_wake_events &= ~(GPIO_WAKEUP_LID); + } +} + +static int olpc_pm_enter(suspend_state_t pm_state) +{ + /* Only STR is supported */ + if (pm_state != PM_SUSPEND_MEM) + return -EINVAL; + + olpc_fixup_sleep(); + + /* Set the GPIO wakeup bits */ + outl(gpio_wake_events, acpi_base + PM_GPE0_EN); + outl(0xFFFFFFFF, acpi_base + PM_GPE0_STS); + + /* Save CPU state */ + do_olpc_suspend_lowlevel(); + + olpc_fixup_wakeup(); + + /* Restore the SCI wakeup events */ + outl(gpio_wake_events, acpi_base + PM_GPE0_EN); + + return 0; +} + +int asmlinkage olpc_do_sleep(u8 sleep_state) +{ + void *pgd_addr = __va(read_cr3()); + printk(KERN_ERR "olpc_do_sleep!\n"); /* this needs to remain here so + * that gcc doesn't optimize + * away our __va! */ + /* FIXME: Set the SCI bits we want to wake up on here */ + + /* FIXME: Set any other SCI events that we might want here */ + + outl((olpc_wakeup_mask << 16) | 0xFFFF, acpi_base + PM1_STS); + + /* If we are in test mode, then just return (simulate a successful + suspend/resume). Otherwise, if we are doing the real thing, + then go for the gusto */ + + if (olpc_pm_mode != PM_MODE_TEST) { + __asm__ __volatile__("movl %0,%%eax" : : "r" (pgd_addr)); + __asm__("call *(%%edi); cld" + : : "D" (&ofw_bios_entry)); + } + + return 0; +} + +/* This code will slowly disappear as we fixup the issues in the BIOS */ + +static void __init olpc_fixup_bios(void) +{ + unsigned long hi, lo; + + if (olpc_has_vsa()) { + /* The VSA aggressively sets up the ACPI and PM register for + * trapping - its not enough to force these values in the BIOS - + * they seem to be changed during PCI init as well. + */ + + /* Change the PM registers to decode to the DD */ + + rdmsr(0x510100e2, lo, hi); + hi |= 0x80000000; + wrmsr(0x510100e2, lo, hi); + + /* Change the ACPI registers to decode to the DD */ + + rdmsr(0x510100e3, lo, hi); + hi |= 0x80000000; + wrmsr(0x510100e3, lo, hi); + } + + /* GPIO24 controls WORK_AUX */ + + geode_gpio_set(OLPC_GPIO_WORKAUX, GPIO_OUTPUT_ENABLE); + geode_gpio_set(OLPC_GPIO_WORKAUX, GPIO_OUTPUT_AUX1); + + if (olpc_get_rev() >= OLPC_REV_B2) { + /* GPIO10 is connected to the thermal alarm */ + geode_gpio_set(OLPC_GPIO_THRM_ALRM, GPIO_INPUT_ENABLE); + geode_gpio_set(OLPC_GPIO_THRM_ALRM, GPIO_INPUT_AUX1); + + /* Set up to get LID events */ + geode_gpio_set(OLPC_GPIO_LID, GPIO_INPUT_ENABLE); + + /* Clear edge detection and event enable for now */ + geode_gpio_clear(OLPC_GPIO_LID, GPIO_EVENTS_ENABLE); + geode_gpio_clear(OLPC_GPIO_LID, GPIO_NEGATIVE_EDGE_EN); + geode_gpio_clear(OLPC_GPIO_LID, GPIO_POSITIVE_EDGE_EN); + + geode_gpio_set(OLPC_GPIO_LID, GPIO_NEGATIVE_EDGE_STS); + geode_gpio_set(OLPC_GPIO_LID, GPIO_POSITIVE_EDGE_STS); + + /* Set the LID to cause an PME event on group 6 */ + geode_gpio_event_pme(OLPC_GPIO_LID, 6); + + /* Set PME group 6 to fire the SCI interrupt */ + geode_gpio_set_irq(6, sci_irq); + } + + geode_gpio_set(OLPC_GPIO_ECSCI, GPIO_INPUT_ENABLE); + + /* Clear pending events */ + + geode_gpio_set(OLPC_GPIO_ECSCI, GPIO_NEGATIVE_EDGE_STS); + geode_gpio_set(OLPC_GPIO_ECSCI, GPIO_POSITIVE_EDGE_STS); + + //geode_gpio_set(OLPC_GPIO_ECSCI, GPIO_NEGATIVE_EDGE_EN); + geode_gpio_set(OLPC_GPIO_ECSCI, GPIO_EVENTS_ENABLE); + + /* Set the SCI to cause a PME event on group 7 */ + geode_gpio_event_pme(OLPC_GPIO_ECSCI, 7); + + /* And have group 6 also fire the SCI interrupt */ + geode_gpio_set_irq(7, sci_irq); +} + +/* This provides a control file for setting up testing of the + power management system. For now, there is just one setting: + "test" which means that we don't actually enter the power + off routine. +*/ + +static const char * const pm_states[] = { + [PM_MODE_NORMAL] = "normal", + [PM_MODE_TEST] = "test", +}; + +extern struct mutex pm_mutex; +extern struct kset power_subsys; + +static ssize_t control_show(struct kset *s, char *buf) +{ + return sprintf(buf, "%s\n", pm_states[olpc_pm_mode]); +} + +static ssize_t control_store(struct kset *s, const char *buf, size_t n) +{ + int i, len; + char *p; + + p = memchr(buf, '\n', n); + len = p ? p - buf : n; + + /* Grab the mutex */ + mutex_lock(&pm_mutex); + + for(i = 0; i < PM_MODE_MAX; i++) { + if (!strncmp(buf, pm_states[i], len)) { + olpc_pm_mode = i; + break; + } + } + + mutex_unlock(&pm_mutex); + + return (i == PM_MODE_MAX) ? -EINVAL : n; +} + +static struct subsys_attribute control_attr = { + .attr = { + .name = "olpc-pm", + .mode = 0644, + }, + .show = control_show, + .store = control_store, +}; + +static struct attribute * olpc_attributes[] = { + &control_attr.attr, + NULL +}; + +static struct attribute_group olpc_attrs = { + .attrs = olpc_attributes, +}; + +static int __init alloc_inputdevs(void) +{ + int ret = -ENOMEM; + + pm_inputdev = input_allocate_device(); + if (!pm_inputdev) + goto err; + + pm_inputdev->name = "OLPC PM"; + pm_inputdev->phys = "olpc_pm/input0"; + set_bit(EV_KEY, pm_inputdev->evbit); + set_bit(KEY_POWER, pm_inputdev->keybit); + + ret = input_register_device(pm_inputdev); + if (ret) { + printk(KERN_ERR "olpc-pm: failed to register PM input device: %d\n", ret); + goto err; + } + + lid_inputdev = input_allocate_device(); + if (!lid_inputdev) + goto err; + + lid_inputdev->name = "OLPC lid switch"; + lid_inputdev->phys = "olpc_pm/input1"; + set_bit(EV_SW, lid_inputdev->evbit); + set_bit(SW_LID, lid_inputdev->swbit); + + ret = input_register_device(lid_inputdev); + if (ret) { + printk(KERN_ERR "olpc-pm: failed to register lid input device: %d\n", ret); + goto err; + } + + ebook_inputdev = input_allocate_device(); + if (!ebook_inputdev) + goto err; + + ebook_inputdev->name = "OLPC ebook switch"; + ebook_inputdev->phys = "olpc_pm/input2"; + set_bit(EV_SW, ebook_inputdev->evbit); + set_bit(SW_TABLET_MODE, ebook_inputdev->swbit); + + ret = input_register_device(ebook_inputdev); + if (ret) { + printk(KERN_ERR "olpc-pm: failed to register ebook input device: %d\n", ret); + goto err; + } + + return ret; +err: + if (ebook_inputdev) { + input_unregister_device(ebook_inputdev); + ebook_inputdev = NULL; + } + if (lid_inputdev) { + input_unregister_device(lid_inputdev); + lid_inputdev = NULL; + } + if (pm_inputdev) { + input_unregister_device(pm_inputdev); + pm_inputdev = NULL; + } + + return ret; +} + +static int __init olpc_pm_init(void) +{ + uint32_t lo, hi; + int ret; + uint8_t ec_byte; + + if (!machine_is_olpc()) + return -ENODEV; + + acpi_base = geode_acpi_base(); + pms_base = geode_pms_base(); + + if (!acpi_base || !pms_base) + return -ENODEV; + + ret = alloc_inputdevs(); + if (ret) + return ret; + + rdmsr(0x51400020, lo, hi); + sci_irq = (lo >> 20) & 15; + + if (sci_irq) { + printk(KERN_INFO "SCI is mapped to IRQ %d\n", sci_irq); + } else { + /* Zero doesn't mean zero -- it means masked */ + printk(KERN_INFO "SCI unmapped. Mapping to IRQ 3\n"); + sci_irq = 3; + lo |= 0x00300000; + wrmsrl(0x51400020, lo); + } + + olpc_fixup_bios(); + + lo = inl(pms_base + PM_FSD); + + /* Lock, enable failsafe, 4 seconds */ + outl(0xc001f400, pms_base + PM_FSD); + + /* Here we set up the SCI events we're interested in during + * real-time. We have no sleep button, and the RTC doesn't make + * sense, so set up the power button + */ + + outl(inl(acpi_base) | ((CS5536_PM_PWRBTN) << 16), acpi_base); + + if (olpc_get_rev() >= OLPC_REV_B2) { + gpio_wake_events |= GPIO_WAKEUP_LID; + + /* Get the current value of the GPIO, and set up the edges */ + olpc_lid_flag = geode_gpio_isset(OLPC_GPIO_LID, GPIO_READ_BACK); + + /* Watch for the opposite edge */ + + if (olpc_lid_flag) + geode_gpio_set(OLPC_GPIO_LID, GPIO_NEGATIVE_EDGE_EN); + else + geode_gpio_set(OLPC_GPIO_LID, GPIO_POSITIVE_EDGE_EN); + + /* Enable the event */ + geode_gpio_set(OLPC_GPIO_LID, GPIO_EVENTS_ENABLE); + } + + /* Set up the mask for wakeups the EC will generate SCIs on */ + + ret = olpc_ec_cmd(EC_READ_SCI_MASK, NULL, 0, &ec_byte, 1); + if (ret) + printk(KERN_ERR "Error getting the EC SCI mask: %d\n", ret); + + /* Disable battery 1% charge wakeups */ + ec_byte &= ~EC_SCI_SRC_BATSOC; + + ret = olpc_ec_cmd(EC_WRITE_SCI_MASK, &ec_byte, 1, NULL, 0); + if (ret) + printk(KERN_ERR "Error setting the EC SCI mask: %d\n", ret); + + /* Set up the EC SCI */ + + gpio_wake_events |= GPIO_WAKEUP_EC; + + outl(gpio_wake_events, acpi_base + PM_GPE0_EN); + outl(0xFFFFFFFF, acpi_base + PM_GPE0_STS); + + /* Select level triggered in PIC */ + + if (sci_irq < 8) { + lo = inb(0x4d0); + lo |= 1 << sci_irq; + outb(lo, 0x4d0); + } else { + lo = inb(0x4d1); + lo |= 1 << (sci_irq - 8); + outb(lo, 0x4d1); + } + /* Clear pending interrupt */ + outl(inl(acpi_base) | 0xFFFF, acpi_base); + process_sci_queue(0); /* we just want to flush the queue here */ + init_ebook_state(); + + /* Enable the interrupt */ + + ret = request_irq(sci_irq, &olpc_pm_interrupt, 0, "SCI", &acpi_base); + + if (ret) { + printk(KERN_ERR "Error registering SCI: %d\n", ret); + return ret; + } + + ofw_bios_entry.address = 0xF0000 + PAGE_OFFSET; + pm_set_ops(&olpc_pm_ops); + + sysfs_create_group(&power_subsys.kobj, &olpc_attrs); + + return 0; +} + + +#if defined (CONFIG_RTC_DRV_CMOS) || defined (CONFIG_RTC_DRV_CMOS_MODULE) +struct resource rtc_platform_resource[2] = { + { + .flags = IORESOURCE_IO, + .start = RTC_PORT(0), + .end = RTC_PORT(0) + RTC_IO_EXTENT + }, + { + .flags = IORESOURCE_IRQ, + .start = 8, + .end = 8, + }, +}; + + +static void rtc_wake_on(struct device *dev) +{ + olpc_wakeup_mask |= CS5536_PM_RTC; +} + +static void rtc_wake_off(struct device *dev) +{ + olpc_wakeup_mask &= ~(CS5536_PM_RTC); +} + +static struct cmos_rtc_board_info rtc_info = { + .rtc_day_alarm = 0, + .rtc_mon_alarm = 0, + .rtc_century = 0, + .wake_on = rtc_wake_on, + .wake_off = rtc_wake_off, +}; + +struct platform_device olpc_rtc_device = { + .name = "rtc_cmos", + .id = -1, + .num_resources = ARRAY_SIZE(rtc_platform_resource), + .dev.platform_data = &rtc_info, + .resource = rtc_platform_resource, +}; + +static int __init olpc_platform_init(void) +{ + (void)platform_device_register(&olpc_rtc_device); + device_init_wakeup(&olpc_rtc_device.dev, 1); + + (void)platform_device_register(&olpc_powerbutton_dev); + device_init_wakeup(&olpc_powerbutton_dev.dev, 1); + + (void)platform_device_register(&olpc_lid_dev); + device_init_wakeup(&olpc_lid_dev.dev, 1); + + return 0; +} +arch_initcall(olpc_platform_init); +#endif /* CONFIG_RTC_DRV_CMOS */ + +static void olpc_pm_exit(void) +{ + /* Clear any pending events, and disable them */ + outl(0xFFFF, acpi_base+2); + + free_irq(sci_irq, &acpi_base); + input_unregister_device(pm_inputdev); + input_unregister_device(lid_inputdev); + input_unregister_device(ebook_inputdev); +} + +static struct pm_ops olpc_pm_ops = { + .valid = olpc_pm_state_valid, + .enter = olpc_pm_enter, +}; + +module_init(olpc_pm_init); +module_exit(olpc_pm_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>"); +MODULE_DESCRIPTION("AMD Geode power management for OLPC CL1"); diff --git a/target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc-sleep.S b/target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc-sleep.S new file mode 100644 index 000000000..9535c9a94 --- /dev/null +++ b/target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc-sleep.S @@ -0,0 +1,39 @@ +.text + +ENTRY(olpc_sleep_asm) +olpc_sleep: + ;; Get the value of PM1_CNT and store it off + + add 08h, ax + mov bx,dx + in dx,eax + or 2000h, ax + mov ax,di + + ;; flush the cache + wbinvd + + ;; GX2 must disable refresh before going into self-refresh + mov 2000000180xh, ecx + rdmsr + mov eax, esi + and 0FF0000FFh, eax + wrmsr + + ;; Now, put the memory into self refresh + mov 2004, cx + xor edx, edx + xor eax, eax + mov 04h, al + wrmsr + + ;; Thats all she wrote - time to go to sleep + + mov bx, dx + movzx di, eax + out eax, dx + + ;; + + + diff --git a/target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc-wakeup.S b/target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc-wakeup.S new file mode 100644 index 000000000..a92cc61e2 --- /dev/null +++ b/target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc-wakeup.S @@ -0,0 +1,122 @@ +.text +#include <linux/linkage.h> +#include <asm/segment.h> +#include <asm/page.h> + +ALIGN + .align 4096 + +wakeup_start: +# jmp wakeup_start + + cli + cld + + # Clear any dangerous flags + + pushl $0 + popfl + + # Set up %cr3 + movl $swsusp_pg_dir - __PAGE_OFFSET, %eax + movl %eax, %cr3 + + movl saved_cr4, %eax + movl %eax, %cr4 + + movl saved_cr0, %eax + movl %eax, %cr0 + + jmp 1f +1: + ljmpl $__KERNEL_CS,$wakeup_return + + +.org 0x1000 + +wakeup_return: + movw $__KERNEL_DS, %ax + movw %ax, %ss + movw %ax, %ds + movw %ax, %es + movw %ax, %fs + movw %ax, %gs + + lgdt saved_gdt + lidt saved_idt + lldt saved_ldt + ljmp $(__KERNEL_CS),$1f +1: + movl %cr3, %eax + movl %eax, %cr3 + wbinvd + + # Go back to the return point + jmp ret_point + +save_registers: + sgdt saved_gdt + sidt saved_idt + sldt saved_ldt + + pushl %edx + movl %cr4, %edx + movl %edx, saved_cr4 + + movl %cr0, %edx + movl %edx, saved_cr0 + + popl %edx + + + movl %ebx, saved_context_ebx + movl %ebp, saved_context_ebp + movl %esi, saved_context_esi + movl %edi, saved_context_edi + + pushfl + popl saved_context_eflags + + ret + + +restore_registers: + movl saved_context_ebp, %ebp + movl saved_context_ebx, %ebx + movl saved_context_esi, %esi + movl saved_context_edi, %edi + + pushl saved_context_eflags + popfl + + ret + + +ENTRY(do_olpc_suspend_lowlevel) + call save_processor_state + call save_registers + + # This is the stack context we want to remember + movl %esp, saved_context_esp + + pushl $3 + call olpc_do_sleep + + jmp wakeup_start + .p2align 4,,7 +ret_point: + movl saved_context_esp, %esp + + call restore_registers + call restore_processor_state + ret + +.data +ALIGN + +saved_gdt: .long 0,0 +saved_idt: .long 0,0 +saved_ldt: .long 0 +saved_cr4: .long 0 +saved_cr0: .long 0 + diff --git a/target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc.c b/target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc.c new file mode 100644 index 000000000..d540cb0ea --- /dev/null +++ b/target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc.c @@ -0,0 +1,320 @@ +/* Support for the OLPC DCON and OLPC EC access + * Copyright (C) 2006, Advanced Micro Devices, Inc. + * + * 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. + */ + +#include <linux/autoconf.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/mc146818rtc.h> +#include <linux/delay.h> +#include <linux/spinlock.h> + +#include <asm/olpc.h> +#include <asm/ofw.h> + +/* This is our new multi-purpose structure used to contain the + * information about the platform that we detect + */ + +struct olpc_platform_t olpc_platform_info; +EXPORT_SYMBOL_GPL(olpc_platform_info); + +/********************************************************************* + * EC locking and access + *********************************************************************/ + +static DEFINE_SPINLOCK(ec_lock); + +/* what the timeout *should* be (in ms) */ +#define EC_BASE_TIMEOUT 20 + +/* the timeout that bugs in the EC might force us to actually use */ +static int ec_timeout = EC_BASE_TIMEOUT; + +static int __init olpc_ec_timeout_set(char *str) +{ + if (get_option(&str, &ec_timeout) != 1) { + ec_timeout = EC_BASE_TIMEOUT; + printk(KERN_ERR "olpc-ec: invalid argument to " + "'olpc_ec_timeout=', ignoring!\n"); + } + printk(KERN_DEBUG "olpc-ec: using %d ms delay for EC commands.\n", + ec_timeout); + return 1; +} +__setup("olpc_ec_timeout=", olpc_ec_timeout_set); + +/* + * These *bf_status functions return whether the buffers are full or not. + */ + +static inline unsigned int ibf_status(unsigned int port) +{ + return inb(port) & 0x02; +} + +static inline unsigned int obf_status(unsigned int port) +{ + return inb(port) & 0x01; +} + +#define wait_on_ibf(p, d) __wait_on_ibf(__LINE__, (p), (d)) +static int __wait_on_ibf(unsigned int line, unsigned int port, int desired) +{ + unsigned int timeo; + int state = ibf_status(port); + + for (timeo = ec_timeout; state != desired && timeo; timeo--) { + mdelay(1); + state = ibf_status(port); + } + + if ((state == desired) && (ec_timeout > EC_BASE_TIMEOUT) && + timeo < (ec_timeout - EC_BASE_TIMEOUT)) { + printk(KERN_WARNING "olpc-ec: waited %u ms for IBF (%d)!\n", + EC_BASE_TIMEOUT-timeo, line); + } + + return !(state == desired); +} + +#define wait_on_obf(p, d) __wait_on_obf(__LINE__, (p), (d)) +static int __wait_on_obf(unsigned int line, unsigned int port, int desired) +{ + unsigned int timeo; + int state = obf_status(port); + + for (timeo = ec_timeout; state != desired && timeo; timeo--) { + mdelay(1); + state = obf_status(port); + } + + if ((state == desired) && (ec_timeout > EC_BASE_TIMEOUT) && + timeo < (ec_timeout - EC_BASE_TIMEOUT)) { + printk(KERN_WARNING "olpc-ec: waited %u ms for OBF (%d)!\n", + EC_BASE_TIMEOUT-timeo, line); + } + + return !(state == desired); +} + +int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen, + unsigned char *outbuf, size_t outlen) +{ + unsigned long flags; + int ret = -EIO; + int i; + + spin_lock_irqsave(&ec_lock, flags); + + if (wait_on_ibf(0x6c, 0)) { + printk(KERN_ERR "olpc-ec: timeout waiting for EC to " + "quiesce!\n"); + goto err; + } + +restart: + /* + * Note that if we time out during any IBF checks, that's a failure; + * we have to return. There's no way for the kernel to clear that. + * + * If we time out during an OBF check, we can restart the command; + * reissuing it will clear the OBF flag, and we should be alright. + * The OBF flag will sometimes misbehave due to what we believe + * is a hardware quirk.. + */ + printk(KERN_DEBUG "olpc-ec: running cmd 0x%x\n", cmd); + outb(cmd, 0x6c); + + if (wait_on_ibf(0x6c, 0)) { + printk(KERN_ERR "olpc-ec: timeout waiting for EC to read " + "command!\n"); + goto err; + } + + if (inbuf && inlen) { + /* write data to EC */ + for (i = 0; i < inlen; i++) { + if (wait_on_ibf(0x6c, 0)) { + printk(KERN_ERR "olpc-ec: timeout waiting for" + " EC accept data!\n"); + goto err; + } + printk(KERN_DEBUG "olpc-ec: sending cmd arg 0x%x\n", + inbuf[i]); + outb(inbuf[i], 0x68); + } + } + if (outbuf && outlen) { + /* read data from EC */ + for (i = 0; i < outlen; i++) { + if (wait_on_obf(0x6c, 1)) { + printk(KERN_ERR "olpc-ec: timeout waiting for" + " EC to provide data!\n"); + goto restart; + } + outbuf[i] = inb(0x68); + printk(KERN_DEBUG "olpc-ec: received 0x%x\n", + outbuf[i]); + } + } + + ret = 0; +err: + spin_unlock_irqrestore(&ec_lock, flags); + return ret; +} +EXPORT_SYMBOL_GPL(olpc_ec_cmd); + +/********************************************************************* + * DCON stuff + *********************************************************************/ + +static void olpc_power_off(void) +{ + printk(KERN_INFO "OLPC power off sequence...\n"); + outb(0xff, 0x381); + outb(0x14, 0x382); + outb(0x01, 0x383); + outb(0xff, 0x381); + outb(0x14, 0x382); + outb(0x00, 0x383); +} + +static void __init +ec_detect(void) +{ + olpc_ec_cmd(0x08, NULL, 0, (unsigned char *) &olpc_platform_info.ecver, 1); +} + +/* Check to see if this version of the OLPC board has VSA built + * in, and set a flag + */ + +static void __init vsa_detect(void) +{ + u16 rev; + + outw(0xFC53, 0xAC1C); + outw(0x0003, 0xAC1C); + + rev = inw(0xAC1E); + + if (rev == 0x4132) + olpc_platform_info.flags |= OLPC_F_VSA; +} + +/* Map OFW revisions to what OLPC_REV_* */ +static const char __initdata *olpc_boardrev_str[] = { + "A1", + "preB1", + "B1", + "preB2", + "B2", + "preB3", + "B3", + "B4", + "C1", + "R1", +}; + +static void __init platform_detect(char *revision, size_t len) +{ + size_t propsize; + int i; + + BUG_ON(ARRAY_SIZE(olpc_boardrev_str) != OLPC_REV_UNKNOWN); + + if (ofw("getprop", 4, 1, NULL, "model", revision, len, &propsize)) { + printk(KERN_ERR "ofw: getprop call failed!\n"); + goto failed; + } + if (len < propsize) { + printk(KERN_ERR "ofw: revision string is too long!\n"); + goto failed; + } + + for (i=0; i < ARRAY_SIZE(olpc_boardrev_str); i++) { + if (strcmp(revision, olpc_boardrev_str[i]) == 0) { + olpc_platform_info.boardrev = i; + return; + } + } + +failed: + strncpy(revision, "Unknown", len); + olpc_platform_info.boardrev = OLPC_REV_UNKNOWN; +} + +static int olpc_dcon_present = -1; +module_param(olpc_dcon_present, int, 0444); + +/* REV_A CMOS map: + * bit 440; DCON present bit + */ + +#define OLPC_CMOS_DCON_OFFSET (440 / 8) +#define OLPC_CMOS_DCON_MASK 0x01 + +static int __init olpc_init(void) +{ + unsigned char *romsig; + char revision[10]; + + spin_lock_init(&ec_lock); + + romsig = ioremap(0xffffffc0, 16); + + if (!romsig) + return 0; + + if (strncmp(romsig, "CL1 Q", 7)) + goto unmap; + if (strncmp(romsig+6, romsig+13, 3)) { + printk(KERN_INFO "OLPC BIOS signature looks invalid. Assuming not OLPC\n"); + goto unmap; + } + printk(KERN_INFO "OLPC board with OpenFirmware: %.16s\n", romsig); + + olpc_platform_info.flags |= OLPC_F_PRESENT; + + pm_power_off = olpc_power_off; + + /* Get the platform revision */ + platform_detect(revision, sizeof(revision)); + + /* If olpc_dcon_present isn't set by the command line, then + * "detect" it + */ + + if (olpc_dcon_present == -1) { + /* B1 and greater always has a DCON */ + if (olpc_platform_info.boardrev >= OLPC_REV_B1 && + olpc_platform_info.boardrev < OLPC_REV_UNKNOWN) + olpc_dcon_present = 1; + } + + if (olpc_dcon_present) + olpc_platform_info.flags |= OLPC_F_DCON; + + /* Get the EC revision */ + ec_detect(); + + /* Check to see if the VSA exists */ + vsa_detect(); + + printk(KERN_INFO "OLPC board revision: %s (EC=%x)\n", revision, + olpc_platform_info.ecver); + + unmap: + iounmap(romsig); + + return 0; +} + +postcore_initcall(olpc_init); diff --git a/target/linux/olpc/files-2.6.23/arch/i386/kernel/prom.c b/target/linux/olpc/files-2.6.23/arch/i386/kernel/prom.c new file mode 100644 index 000000000..d64bb276f --- /dev/null +++ b/target/linux/olpc/files-2.6.23/arch/i386/kernel/prom.c @@ -0,0 +1,478 @@ +/* + * Procedures for creating, accessing and interpreting the device tree. + * + * Paul Mackerras August 1996. + * Copyright (C) 1996-2005 Paul Mackerras. + * + * Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner. + * {engebret|bergner}@us.ibm.com + * + * Adapted for sparc64 by David S. Miller davem@davemloft.net + * + * Adapter for i386/OLPC by Andres Salomon <dilinger@debian.org> + * + * 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. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/bootmem.h> +#include <linux/module.h> +#include <asm/prom.h> +#include <asm/ofw.h> + +/* + * XXX: This is very much a stub; right now we're keeping 2 device trees + * in memory (one for promfs, and one here). That will not remain + * for long! + */ + +static struct device_node *allnodes; + +/* use when traversing tree through the allnext, child, sibling, + * or parent members of struct device_node. + */ +static DEFINE_RWLOCK(devtree_lock); + +int of_device_is_compatible(const struct device_node *device, + const char *compat) +{ + const char* cp; + int cplen, l; + + cp = of_get_property(device, "compatible", &cplen); + if (cp == NULL) + return 0; + while (cplen > 0) { + if (strncmp(cp, compat, strlen(compat)) == 0) + return 1; + l = strlen(cp) + 1; + cp += l; + cplen -= l; + } + + return 0; +} +EXPORT_SYMBOL(of_device_is_compatible); + +struct device_node *of_get_parent(const struct device_node *node) +{ + struct device_node *np; + + if (!node) + return NULL; + + np = node->parent; + + return np; +} +EXPORT_SYMBOL(of_get_parent); + +struct device_node *of_get_next_child(const struct device_node *node, + struct device_node *prev) +{ + struct device_node *next; + + next = prev ? prev->sibling : node->child; + for (; next != 0; next = next->sibling) { + break; + } + + return next; +} +EXPORT_SYMBOL(of_get_next_child); + +struct device_node *of_find_node_by_path(const char *path) +{ + struct device_node *np = allnodes; + + for (; np != 0; np = np->allnext) { + if (np->full_name != 0 && strcmp(np->full_name, path) == 0) + break; + } + + return np; +} +EXPORT_SYMBOL(of_find_node_by_path); + +struct device_node *of_find_node_by_phandle(phandle handle) +{ + struct device_node *np; + + for (np = allnodes; np != 0; np = np->allnext) + if (np->node == handle) + break; + + return np; +} +EXPORT_SYMBOL(of_find_node_by_phandle); + +struct device_node *of_find_node_by_name(struct device_node *from, + const char *name) +{ + struct device_node *np; + + np = from ? from->allnext : allnodes; + for (; np != NULL; np = np->allnext) + if (np->name != NULL && strcmp(np->name, name) == 0) + break; + + return np; +} +EXPORT_SYMBOL(of_find_node_by_name); + +struct device_node *of_find_node_by_type(struct device_node *from, + const char *type) +{ + struct device_node *np; + + np = from ? from->allnext : allnodes; + for (; np != 0; np = np->allnext) + if (np->type != 0 && strcmp(np->type, type) == 0) + break; + + return np; +} +EXPORT_SYMBOL(of_find_node_by_type); + +struct device_node *of_find_compatible_node(struct device_node *from, + const char *type, const char *compatible) +{ + struct device_node *np; + + np = from ? from->allnext : allnodes; + for (; np != 0; np = np->allnext) { + if (type != NULL + && !(np->type != 0 && strcmp(np->type, type) == 0)) + continue; + if (of_device_is_compatible(np, compatible)) + break; + } + + return np; +} +EXPORT_SYMBOL(of_find_compatible_node); + +struct property *of_find_property(const struct device_node *np, + const char *name, + int *lenp) +{ + struct property *pp; + + for (pp = np->properties; pp != 0; pp = pp->next) { + if (strcasecmp(pp->name, name) == 0) { + if (lenp != 0) + *lenp = pp->length; + break; + } + } + return pp; +} +EXPORT_SYMBOL(of_find_property); + +/* + * Find a property with a given name for a given node + * and return the value. + */ +const void *of_get_property(const struct device_node *np, const char *name, + int *lenp) +{ + struct property *pp = of_find_property(np,name,lenp); + return pp ? pp->value : NULL; +} +EXPORT_SYMBOL(of_get_property); + +int of_getintprop_default(struct device_node *np, const char *name, int def) +{ + struct property *prop; + int len; + + prop = of_find_property(np, name, &len); + if (!prop || len != 4) + return def; + + return *(int *) prop->value; +} +EXPORT_SYMBOL(of_getintprop_default); + +int of_n_addr_cells(struct device_node *np) +{ + const int* ip; + do { + if (np->parent) + np = np->parent; + ip = of_get_property(np, "#address-cells", NULL); + if (ip != NULL) + return *ip; + } while (np->parent); + /* No #address-cells property for the root node, default to 2 */ + return 2; +} +EXPORT_SYMBOL(of_n_addr_cells); + +int of_n_size_cells(struct device_node *np) +{ + const int* ip; + do { + if (np->parent) + np = np->parent; + ip = of_get_property(np, "#size-cells", NULL); + if (ip != NULL) + return *ip; + } while (np->parent); + /* No #size-cells property for the root node, default to 1 */ + return 1; +} +EXPORT_SYMBOL(of_n_size_cells); + +int of_set_property(struct device_node *dp, const char *name, void *val, int len) +{ + return -EIO; +} +EXPORT_SYMBOL(of_set_property); + +static unsigned int prom_early_allocated; + +static void * __init prom_early_alloc(unsigned long size) +{ + void *ret; + + ret = kmalloc(size, GFP_KERNEL); + if (ret != NULL) + memset(ret, 0, size); + else + printk(KERN_ERR "ACK! couldn't allocate prom memory!\n"); + + prom_early_allocated += size; + + return ret; +} + +static int is_root_node(const struct device_node *dp) +{ + if (!dp) + return 0; + + return (dp->parent == NULL); +} + +static char * __init build_path_component(struct device_node *dp) +{ + int pathlen; + char *n, *i; + + if (ofw("package-to-path", 3, 1, dp->node, NULL, 0, &pathlen)) { + printk(KERN_ERR "PROM: unable to get path name from OFW!\n"); + return "ERROR"; + } + n = prom_early_alloc(pathlen + 1); + if (ofw("package-to-path", 3, 1, dp->node, n, pathlen+1, &pathlen)) + printk(KERN_ERR "PROM: unable to get path name from OFW\n"); + + if ((i = strrchr(n, '/'))) + n = ++i; /* we only want the file name */ + return n; +} + +static char * __init build_full_name(struct device_node *dp) +{ + int len, ourlen, plen; + char *n; + + plen = strlen(dp->parent->full_name); + ourlen = strlen(dp->path_component_name); + len = ourlen + plen + 2; + + n = prom_early_alloc(len); + strcpy(n, dp->parent->full_name); + if (!is_root_node(dp->parent)) { + strcpy(n + plen, "/"); + plen++; + } + strcpy(n + plen, dp->path_component_name); + + return n; +} + +static struct property * __init build_one_prop(phandle node, char *prev, char *special_name, void *special_val, int special_len) +{ + static struct property *tmp = NULL; + struct property *p; + + if (tmp) { + p = tmp; + memset(p, 0, sizeof(*p) + 32); + tmp = NULL; + } else { + p = prom_early_alloc(sizeof(struct property) + 32); + } + + p->name = (char *) (p + 1); + if (special_name) { + strcpy(p->name, special_name); + p->length = special_len; + p->value = prom_early_alloc(special_len); + memcpy(p->value, special_val, special_len); + } else { + int fl; + if (prev == NULL) { + if (ofw("nextprop", 3, 1, node, "", p->name, &fl)) { + printk(KERN_ERR "PROM: %s: nextprop failed!\n", __func__); + return NULL; + } + } else { + if (ofw("nextprop", 3, 1, node, prev, p->name, &fl)) { + printk(KERN_ERR "PROM: %s: nextprop failed!\n", __func__); + return NULL; + } + } + if (strlen(p->name) == 0 || fl != 1) { + tmp = p; + return NULL; + } + if (ofw("getproplen", 2, 1, node, p->name, &p->length)) { + printk(KERN_ERR "PROM: %s: getproplen failed!\n", __func__); + return NULL; + } + if (p->length <= 0) { + p->length = 0; + } else { + p->value = prom_early_alloc(p->length + 1); + if (ofw("getprop", 4, 1, node, p->name, p->value, p->length, &p->length)) { + printk(KERN_ERR "PROM: %s: getprop failed!\n", __func__); + return NULL; + } + ((unsigned char *)p->value)[p->length] = '\0'; + } + } + return p; +} + +static struct property * __init build_prop_list(phandle node) +{ + struct property *head, *tail; + + head = tail = build_one_prop(node, NULL, + ".node", &node, sizeof(node)); + + tail->next = build_one_prop(node, NULL, NULL, NULL, 0); + tail = tail->next; + while(tail) { + tail->next = build_one_prop(node, tail->name, + NULL, NULL, 0); + tail = tail->next; + } + + return head; +} + +static char * __init get_one_property(phandle node, const char *name) +{ + char *buf = "<NULL>"; + int len; + + if (ofw("getproplen", 2, 1, node, name, &len)) { + printk(KERN_ERR "PROM: %s: getproplen failed!\n", __func__); + return NULL; + } + if (len > 0) { + buf = prom_early_alloc(len); + if (ofw("getprop", 4, 1, node, name, buf, len, &len)) { + printk(KERN_ERR "PROM: %s: getprop failed!\n", __func__); + return NULL; + } + } + + return buf; +} + +static struct device_node * __init create_node(phandle node, struct device_node *parent) +{ + struct device_node *dp; + + if (!node) + return NULL; + + dp = prom_early_alloc(sizeof(*dp)); + dp->parent = parent; + + kref_init(&dp->kref); + + dp->name = get_one_property(node, "name"); + dp->type = get_one_property(node, "device_type"); + dp->node = node; + + dp->properties = build_prop_list(node); + + return dp; +} + +static struct device_node * __init build_tree(struct device_node *parent, phandle node, struct device_node ***nextp) +{ + struct device_node *ret = NULL, *prev_sibling = NULL; + struct device_node *dp; + u32 child; + + while (1) { + dp = create_node(node, parent); + if (!dp) + break; + + if (prev_sibling) + prev_sibling->sibling = dp; + + if (!ret) + ret = dp; + prev_sibling = dp; + + *(*nextp) = dp; + *nextp = &dp->allnext; + + dp->path_component_name = build_path_component(dp); + dp->full_name = build_full_name(dp); + + if (ofw("child", 1, 1, node, &child)) { + printk(KERN_ERR "PROM: %s: fetching child failed!\n", __func__); + return NULL; + } + dp->child = build_tree(dp, child, nextp); + + if (ofw("peer", 1, 1, node, &node)) { + printk(KERN_ERR "PROM: %s: fetching peer failed!\n", __func__); + return NULL; + } + } + + return ret; +} + +static phandle root_node; + +void __init prom_build_devicetree(void) +{ + struct device_node **nextp; + u32 child; + + if (ofw("peer", 1, 1, 0, &root_node)) { + printk(KERN_ERR "PROM: unable to get root node from OFW!\n"); + return; + } + + allnodes = create_node(root_node, NULL); + allnodes->path_component_name = ""; + allnodes->full_name = "/"; + + nextp = &allnodes->allnext; + if (ofw("child", 1, 1, allnodes->node, &child)) { + printk(KERN_ERR "PROM: unable to get child node from OFW!\n"); + return; + } + allnodes->child = build_tree(allnodes, child, &nextp); + printk("PROM: Built device tree with %u bytes of memory.\n", + prom_early_allocated); +} diff --git a/target/linux/olpc/files-2.6.23/arch/i386/pci/olpc.c b/target/linux/olpc/files-2.6.23/arch/i386/pci/olpc.c new file mode 100644 index 000000000..1518d254c --- /dev/null +++ b/target/linux/olpc/files-2.6.23/arch/i386/pci/olpc.c @@ -0,0 +1,298 @@ +/* + * olpcpci.c - Low-level PCI config space access for OLPC systems + * without the VSA PCI virtualization software. + * + * The AMD Geode chipset (GX2 processor, cs5536 I/O companion device) + * has some I/O functions (display, southbridge, sound, USB HCIs, etc) + * that more or less behave like PCI devices, but the hardware doesn't + * directly implement the PCI configuration space headers. AMD provides + * "VSA" (Virtual System Architecture) software that emulates PCI config + * space for these devices, by trapping I/O accesses to PCI config register + * (CF8/CFC) and running some code in System Management Mode interrupt state. + * On the OLPC platform, we don't want to use that VSA code because + * (a) it slows down suspend/resume, and (b) recompiling it requires special + * compilers that are hard to get. So instead of letting the complex VSA + * code simulate the PCI config registers for the on-chip devices, we + * just simulate them the easy way, by inserting the code into the + * pci_write_config and pci_read_config path. Most of the config registers + * are read-only anyway, so the bulk of the simulation is just table lookup. + */ + +#include <linux/pci.h> +#include <linux/init.h> +#include <asm/olpc.h> +#include <asm/geode.h> +#include "pci.h" + +static int is_lx; + +/* + * In the tables below, the first two line (8 longwords) are the + * size masks that are used when the higher level PCI code determines + * the size of the region by writing ~0 to a base address register + * and reading back the result. + * + * The following lines are the values that are read during normal + * PCI config access cycles, i.e. not after just having written + * ~0 to a base address register. + */ + +static const u32 lxnb_hdr[] = { /* dev 1 function 0 - devfn = 8 */ + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + + 0x281022 , 0x2200005 , 0x6000021 , 0x80f808 , /* AMD Vendor ID */ + 0x0 , 0x0 , 0x0 , 0x0 , /* No virtual registers, hence no BAR for them */ + 0x0 , 0x0 , 0x0 , 0x28100b , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , +}; + +static const u32 gxnb_hdr[] = { /* dev 1 function 0 - devfn = 8 */ + 0xfffffffd , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + + 0x28100b , 0x2200005 , 0x6000021 , 0x80f808 , /* NSC Vendor ID */ + 0xac1d , 0x0 , 0x0 , 0x0 , /* I/O BAR - base of virtual registers */ + 0x0 , 0x0 , 0x0 , 0x28100b , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , +}; + +static const u32 lxfb_hdr[] = { /* dev 1 function 1 - devfn = 9 */ + 0xff800008 , 0xffffc000 , 0xffffc000 , 0xffffc000 , + 0x0 , 0x0 , 0x0 , 0x0 , + + 0x20811022 , 0x2200003 , 0x3000000 , 0x0 , /* AMD Vendor ID */ + 0xfd000000 , 0xfe000000 , 0xfe004000 , 0xfe008000 , /* FB, GP, VG, DF */ + 0xfe00c000 , 0x0 , 0x0 , 0x30100b , /* VIP */ + 0x0 , 0x0 , 0x0 , 0x10e , /* INTA, IRQ14 for graphics accel */ + 0x0 , 0x0 , 0x0 , 0x0 , + 0x3d0 , 0x3c0 , 0xa0000 , 0x0 , /* VG IO, VG IO, EGA FB, MONO FB */ + 0x0 , 0x0 , 0x0 , 0x0 , +}; + +static const u32 gxfb_hdr[] = { /* dev 1 function 1 - devfn = 9 */ + 0xff800008 , 0xffffc000 , 0xffffc000 , 0xffffc000 , + 0x0 , 0x0 , 0x0 , 0x0 , + + 0x30100b , 0x2200003 , 0x3000000 , 0x0 , /* NSC Vendor ID */ + 0xfd000000 , 0xfe000000 , 0xfe004000 , 0xfe008000 , /* FB, GP, VG, DF */ + 0x0 , 0x0 , 0x0 , 0x30100b , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x3d0 , 0x3c0 , 0xa0000 , 0x0 , /* VG IO, VG IO, EGA FB, MONO FB */ + 0x0 , 0x0 , 0x0 , 0x0 , +}; + +static const u32 aes_hdr[] = { /* dev 1 function 2 - devfn = 0xa */ + 0xffffc000 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + + 0x20821022 , 0x2a00006 , 0x10100000 , 0x8 , /* NSC Vendor ID */ + 0xfe010000 , 0x0 , 0x0 , 0x0 , /* AES registers */ + 0x0 , 0x0 , 0x0 , 0x20821022 , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , +}; + + +static const u32 isa_hdr[] = { /* dev f function 0 - devfn = 78 */ + 0xfffffff9 , 0xffffff01 , 0xffffffc1 , 0xffffffe1 , + 0xffffff81 , 0xffffffc1 , 0x0 , 0x0 , + + 0x20901022 , 0x2a00049 , 0x6010003 , 0x802000 , + 0x18b1 , 0x1001 , 0x1801 , 0x1881 , /* SMB-8 GPIO-256 MFGPT-64 IRQ-32 */ + 0x1401 , 0x1841 , 0x0 , 0x20901022 , /* PMS-128 ACPI-64 */ + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0xaa5b , /* interrupt steering */ + 0x0 , 0x0 , 0x0 , 0x0 , +}; + +static const u32 ac97_hdr[] = { /* dev f function 3 - devfn = 7b */ + 0xffffff81 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + + 0x20931022 , 0x2a00041 , 0x4010001 , 0x0 , + 0x1481 , 0x0 , 0x0 , 0x0 , /* I/O BAR-128 */ + 0x0 , 0x0 , 0x0 , 0x20931022 , + 0x0 , 0x0 , 0x0 , 0x205 , /* IntB , IRQ5 */ + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , +}; + +static const u32 ohci_hdr[] = { /* dev f function 4 - devfn = 7c */ + 0xfffff000 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + + 0x20941022 , 0x2300006 , 0xc031002 , 0x0 , + 0xfe01a000 , 0x0 , 0x0 , 0x0 , /* MEMBAR-1000 */ + 0x0 , 0x0 , 0x0 , 0x20941022 , + 0x0 , 0x40 , 0x0 , 0x40a , /* CapPtr INT-D, IRQ A */ + 0xc8020001 , 0x0 , 0x0 , 0x0 , /* Capabilities - 40 is R/O, 44 is mask 8103 (power control) */ + 0x0 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , +}; + +static const u32 ehci_hdr[] = { /* dev f function 4 - devfn = 7d */ + 0xfffff000 , 0x0 , 0x0 , 0x0 , + 0x0 , 0x0 , 0x0 , 0x0 , + + 0x20951022 , 0x2300006 , 0xc032002 , 0x0 , + 0xfe01b000 , 0x0 , 0x0 , 0x0 , /* MEMBAR-1000 */ + 0x0 , 0x0 , 0x0 , 0x20951022 , + 0x0 , 0x40 , 0x0 , 0x40a , /* CapPtr INT-D, IRQ A */ + 0xc8020001 , 0x0 , 0x0 , 0x0 , /* Capabilities - 40 is R/O, 44 is mask 8103 (power control) */ +#if 0 + 0x1 , 0x40080000 , 0x0 , 0x0 , /* EECP - see section 2.1.7 of EHCI spec */ +#endif + 0x01000001 , 0x00000000 , 0x0 , 0x0 , /* EECP - see section 2.1.7 of EHCI spec */ + 0x2020 , 0x0 , 0x0 , 0x0 , /* (EHCI page 8) 60 SBRN (R/O), 61 FLADJ (R/W), PORTWAKECAP */ +}; + +static u32 ff_loc = ~0; +static u32 zero_loc = 0; + +static int bar_probing = 0; /* Set after a write of ~0 to a BAR */ + +#define NB_SLOT 0x1 /* Northbridge - GX chip - Device 1 */ +#define SB_SLOT 0xf /* Southbridge - CS5536 chip - Device F */ +#define SIMULATED(bus, devfn) (((bus) == 0) && ((PCI_SLOT(devfn) == NB_SLOT) || (PCI_SLOT(devfn) == SB_SLOT))) + +static u32 *hdr_addr(const u32 *hdr, int reg) +{ + u32 addr; + + /* + * This is a little bit tricky. The header maps consist of + * 0x20 bytes of size masks, followed by 0x70 bytes of header data. + * In the normal case, when not probing a BAR's size, we want + * to access the header data, so we add 0x20 to the reg offset, + * thus skipping the size mask area. + * In the BAR probing case, we want to access the size mask for + * the BAR, so we subtract 0x10 (the config header offset for + * BAR0), and don't skip the size mask area. + */ + + addr = (u32)hdr + reg + (bar_probing ? -0x10 : 0x20); + + bar_probing = 0; + return (u32 *)addr; +} + +static int pci_olpc_read(unsigned int seg, unsigned int bus, + unsigned int devfn, int reg, int len, u32 *value) +{ + u32 *addr; + + /* Use the hardware mechanism for non-simulated devices */ + if (!SIMULATED(bus, devfn)) + return pci_conf1_read(seg, bus, devfn, reg, len, value); + + /* + * No device has config registers past 0x70, so we save table space + * by not storing entries for the nonexistent registers + */ + if (reg >= 0x70) + addr = &zero_loc; + else { + switch (devfn) { + case 0x8: + addr = hdr_addr(is_lx ? lxnb_hdr : gxnb_hdr, reg); + break; + case 0x9: + addr = hdr_addr(is_lx ? lxfb_hdr : gxfb_hdr, reg); + break; + case 0xa: + addr = is_lx ? hdr_addr(aes_hdr, reg) : &ff_loc; + break; + case 0x78: + addr = hdr_addr(isa_hdr, reg); + break; + case 0x7b: + addr = hdr_addr(ac97_hdr, reg); + break; + case 0x7c: + addr = hdr_addr(ohci_hdr, reg); + break; + case 0x7d: + addr = hdr_addr(ehci_hdr, reg); + break; + default: + addr = &ff_loc; + break; + } + } + switch (len) { + case 1: + *value = *(u8 *) addr; + break; + case 2: + *value = *(u16 *) addr; + break; + case 4: + *value = *addr; + break; + default: + BUG(); + } + + return 0; +} + +static int pci_olpc_write(unsigned int seg, unsigned int bus, + unsigned int devfn, int reg, int len, u32 value) +{ + /* Use the hardware mechanism for non-simulated devices */ + if (!SIMULATED(bus, devfn)) + return pci_conf1_write(seg, bus, devfn, reg, len, value); + + /* XXX we may want to extend this to simulate EHCI power management */ + + /* + * Mostly we just discard writes, but if the write is a size probe + * (i.e. writing ~0 to a BAR), we remember it and arrange to return + * the appropriate size mask on the next read. This is cheating + * to some extent, because it depends on the fact that the next + * access after such a write will always be a read to the same BAR. + */ + + if ((reg >= 0x10) && (reg < 0x2c)) { + /* Write is to a BAR */ + if (value == ~0) + bar_probing = 1; + } else { + /* + * No warning on writes to ROM BAR, CMD, LATENCY_TIMER, + * CACHE_LINE_SIZE, or PM registers. + */ + if ((reg != 0x30) && (reg != 0x04) && (reg != 0x0d) && + (reg != 0x0c) && (reg != 0x44)) + printk(KERN_WARNING "OLPC PCI: Config write to devfn %x reg %x value %x\n", devfn, reg, value); + } + + return 0; +} + +static struct pci_raw_ops pci_olpc_conf = { + .read = pci_olpc_read, + .write = pci_olpc_write, +}; + +void __init pci_olpc_init(void) +{ + if (!machine_is_olpc() || olpc_has_vsa()) + return; + + printk(KERN_INFO "PCI: Using configuration type OLPC\n"); + raw_pci_ops = &pci_olpc_conf; + is_lx = is_geode_lx(); +} |