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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@1845 b08762b0-b915-fc4b-9d8c-17b2551a87ff
93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
/*---------------------------------------------------------------------------*
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Project: SystemUpdater
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File: debugger_card_rom.c
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Copyright 2008 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Date:: $
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$Rev$
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$Author$
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*---------------------------------------------------------------------------*/
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#include "debugger_card_rom.h"
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/*---------------------------------------------------------------------------*/
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/* constants */
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#define CARD_COMMAND_ID 0x07000000
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#define CARD_COMMAND_MASK 0x07000000
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#define CARD_RESET_HI 0x20000000
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#define CARD_COMMAND_OP_G_READID 0xB8
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/*---------------------------------------------------------------------------*
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Name: CARDi_GetRomFlag
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Description: カードコマンドコントロールパラメータを取得
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Arguments: flag カードデバイスへ発行するコマンドのタイプ
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(CARD_COMMAND_PAGE / CARD_COMMAND_ID /
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CARD_COMMAND_STAT / CARD_COMMAND_REFRESH)
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Returns: カードコマンドコントロールパラメータ
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*---------------------------------------------------------------------------*/
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SDK_INLINE u32 CARDi_GetRomFlag(u32 flag)
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{
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u32 rom_ctrl = *(vu32 *)(HW_CARD_ROM_HEADER + 0x60);
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return (u32)(flag | REG_MI_MCCNT1_START_MASK | CARD_RESET_HI | (rom_ctrl & ~CARD_COMMAND_MASK));
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}
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/*---------------------------------------------------------------------------*
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Name: CARDi_SetRomOp
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Description: カードコマンド設定
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Arguments: command コマンド
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offset 転送ページ数
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Returns: None.
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*---------------------------------------------------------------------------*/
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static void CARDi_SetRomOp(u32 command, u32 offset)
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{
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u32 cmd1 = (u32)((offset >> 8) | (command << 24));
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u32 cmd2 = (u32)((offset << 24));
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// 念のため前回のROMコマンドの完了待ち。
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while ((reg_MI_MCCNT1 & REG_MI_MCCNT1_START_MASK) != 0)
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{
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}
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// マスターイネーブル。
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reg_MI_MCCNT0 = (u16)(REG_MI_MCCNT0_E_MASK | REG_MI_MCCNT0_I_MASK |
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(reg_MI_MCCNT0 & ~REG_MI_MCCNT0_SEL_MASK));
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// コマンド設定。
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reg_MI_MCCMD0 = MI_HToBE32(cmd1);
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reg_MI_MCCMD1 = MI_HToBE32(cmd2);
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}
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/*---------------------------------------------------------------------------*
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Name: CARDi_ReadRomIDCoreEx
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Description: カード ID の読み出し。
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Arguments: dontCare : gRD_IDの don't care ビットにセットする値
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Returns: カード ID
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*---------------------------------------------------------------------------*/
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u32 CARDi_ReadRomIDCoreEx(u32 dontCare)
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{
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u8 op = CARD_COMMAND_OP_G_READID;
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CARDi_SetRomOp(op, dontCare);
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reg_MI_MCCNT1 = (u32)(CARDi_GetRomFlag(CARD_COMMAND_ID) & ~REG_MI_MCCNT1_L1_MASK);
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while ((reg_MI_MCCNT1 & REG_MI_MCCNT1_RDY_MASK) == 0)
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{
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}
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return reg_MI_MCD1;
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}
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