2009-04-03 16:27:19 +02:00
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/*
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mini - a Free Software replacement for the Nintendo/BroadOn IOS.
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PowerPC support code
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Copyright (C) 2008, 2009 Sven Peter <svenpeter@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, version 2.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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2008-12-28 14:35:37 +01:00
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#include "types.h"
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#include "powerpc.h"
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#include "hollywood.h"
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#include "utils.h"
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#include "start.h"
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#include "gecko.h"
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const u32 stub_default[0x10] = {
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0x3c600000,
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0x60633400,
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0x7c7a03a6,
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0x38600000,
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0x7c7b03a6,
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0x4c000064,
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0,
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};
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void powerpc_upload_stub(const u32 *stub, u32 len)
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{
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u32 i;
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set32(HW_EXICTRL, EXICTRL_ENABLE_EXI);
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if(stub == NULL || len == 0)
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{
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stub = stub_default;
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len = sizeof(stub_default) / sizeof(u32);
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}
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for(i = 0; i < len; i++)
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write32(EXI_BOOT_BASE + 4*i, stub[i]);
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set32(HW_DIFLAGS, DIFLAGS_BOOT_CODE);
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gecko_printf("disabling EXI now...\n");
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clear32(HW_EXICTRL, EXICTRL_ENABLE_EXI);
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}
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void powerpc_hang()
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{
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clear32(HW_RESETS, 0x30);
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udelay(100);
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set32(HW_RESETS, 0x20);
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udelay(100);
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}
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void powerpc_reset()
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{
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write32(0xD800034, 0x40000000);
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clear32(HW_RESETS, 0x30);
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udelay(100);
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set32(HW_RESETS, 0x20);
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udelay(100);
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set32(HW_RESETS, 0x10);
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udelay(100000);
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set32(HW_EXICTRL, EXICTRL_ENABLE_EXI);
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}
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