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Mostly osilloscorpion's (deleted account) work with a couple touches from @idgrepthat.
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| Original file line number | Diff line number | Diff line change |
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| /*--------------------------------------------------------------------------------- | ||
| Copyright (C) 2005 | ||
| Michael Noland (joat) | ||
| Jason Rogers (dovoto) | ||
| Dave Murphy (WinterMute) | ||
| This software is provided 'as-is', without any express or implied | ||
| warranty. In no event will the authors be held liable for any | ||
| damages arising from the use of this software. | ||
| Permission is granted to anyone to use this software for any | ||
| purpose, including commercial applications, and to alter it and | ||
| redistribute it freely, subject to the following restrictions: | ||
| 1. The origin of this software must not be misrepresented; you | ||
| must not claim that you wrote the original software. If you use | ||
| this software in a product, an acknowledgment in the product | ||
| documentation would be appreciated but is not required. | ||
| 2. Altered source versions must be plainly marked as such, and | ||
| must not be misrepresented as being the original software. | ||
| 3. This notice may not be removed or altered from any source | ||
| distribution. | ||
| ---------------------------------------------------------------------------------*/ | ||
| #include "nds/card.h" | ||
| #include "nds/dma.h" | ||
| #include "nds/memory.h" | ||
| #include "nds/bios.h" | ||
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| //--------------------------------------------------------------------------------- | ||
| void cardWriteCommand(const u8 *command) { | ||
| //--------------------------------------------------------------------------------- | ||
| int index; | ||
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| REG_AUXSPICNTH = CARD_CR1_ENABLE | CARD_CR1_IRQ; | ||
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| for (index = 0; index < 8; index++) { | ||
| CARD_COMMAND[7-index] = command[index]; | ||
| } | ||
| } | ||
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| //--------------------------------------------------------------------------------- | ||
| void cardPolledTransfer(u32 flags, u32 *destination, u32 length, const u8 *command) { | ||
| //--------------------------------------------------------------------------------- | ||
| u32 data; | ||
| cardWriteCommand(command); | ||
| REG_ROMCTRL = flags; | ||
| u32 * target = destination + length; | ||
| do { | ||
| // Read data if available | ||
| if (REG_ROMCTRL & CARD_DATA_READY) { | ||
| data=CARD_DATA_RD; | ||
| if (destination < target) | ||
| *destination = data; | ||
| destination++; | ||
| } | ||
| } while (REG_ROMCTRL & CARD_BUSY); | ||
| } | ||
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| //--------------------------------------------------------------------------------- | ||
| void cardStartTransfer(const u8 *command, u32 *destination, int channel, u32 flags) { | ||
| //--------------------------------------------------------------------------------- | ||
| cardWriteCommand(command); | ||
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| // Set up a DMA channel to transfer a word every time the card makes one | ||
| DMA_SRC(channel) = (u32)&CARD_DATA_RD; | ||
| DMA_DEST(channel) = (u32)destination; | ||
| DMA_CR(channel) = DMA_ENABLE | DMA_START_CARD | DMA_32_BIT | DMA_REPEAT | DMA_SRC_FIX | 0x0001; | ||
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| REG_ROMCTRL = flags; | ||
| } | ||
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| //--------------------------------------------------------------------------------- | ||
| u32 cardWriteAndRead(const u8 *command, u32 flags) { | ||
| //--------------------------------------------------------------------------------- | ||
| cardWriteCommand(command); | ||
| REG_ROMCTRL = flags | CARD_ACTIVATE | CARD_nRESET | CARD_BLK_SIZE(7); | ||
| while (!(REG_ROMCTRL & CARD_DATA_READY)) ; | ||
| return CARD_DATA_RD; | ||
| } | ||
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| //--------------------------------------------------------------------------------- | ||
| void cardParamCommand (u8 command, u32 parameter, u32 flags, u32 *destination, u32 length) { | ||
| //--------------------------------------------------------------------------------- | ||
| u8 cmdData[8]; | ||
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| cmdData[7] = (u8) command; | ||
| cmdData[6] = (u8) (parameter >> 24); | ||
| cmdData[5] = (u8) (parameter >> 16); | ||
| cmdData[4] = (u8) (parameter >> 8); | ||
| cmdData[3] = (u8) (parameter >> 0); | ||
| cmdData[2] = 0; | ||
| cmdData[1] = 0; | ||
| cmdData[0] = 0; | ||
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| cardPolledTransfer(flags, destination, length, cmdData); | ||
| } | ||
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| //--------------------------------------------------------------------------------- | ||
| void cardReadHeader(u8 *header) { | ||
| //--------------------------------------------------------------------------------- | ||
| REG_ROMCTRL=0; | ||
| REG_AUXSPICNTH=0; | ||
| swiDelay(167550); | ||
| REG_AUXSPICNTH=CARD_CR1_ENABLE|CARD_CR1_IRQ; | ||
| REG_ROMCTRL=CARD_nRESET|CARD_SEC_SEED; | ||
| while(REG_ROMCTRL&CARD_BUSY) ; | ||
| cardReset(); | ||
| while(REG_ROMCTRL&CARD_BUSY) ; | ||
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| cardParamCommand(CARD_CMD_HEADER_READ,0,CARD_ACTIVATE|CARD_nRESET|CARD_CLK_SLOW|CARD_BLK_SIZE(1)|CARD_DELAY1(0x1FFF)|CARD_DELAY2(0x3F),(u32*)header,512/4); | ||
| } | ||
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| //--------------------------------------------------------------------------------- | ||
| u32 cardReadID(u32 flags) { | ||
| //--------------------------------------------------------------------------------- | ||
| const u8 command[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, CARD_CMD_HEADER_CHIPID}; | ||
| return cardWriteAndRead(command, flags); | ||
| } | ||
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| //--------------------------------------------------------------------------------- | ||
| void cardReset() { | ||
| //--------------------------------------------------------------------------------- | ||
| const u8 cmdData[8]={0,0,0,0,0,0,0,CARD_CMD_DUMMY}; | ||
| cardWriteCommand(cmdData); | ||
| REG_ROMCTRL=CARD_ACTIVATE|CARD_nRESET|CARD_CLK_SLOW|CARD_BLK_SIZE(5)|CARD_DELAY2(0x18); | ||
| u32 read=0; | ||
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| do { | ||
| if(REG_ROMCTRL&CARD_DATA_READY) { | ||
| if(read<0x2000) { | ||
| u32 data=CARD_DATA_RD; | ||
| (void)data; | ||
| read+=4; | ||
| } | ||
| } | ||
| } while(REG_ROMCTRL&CARD_BUSY); | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
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| #pragma once | ||
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| void cardWriteCommand(const u8 *command); | ||
| void cardPolledTransfer(u32 flags, u32 *destination, u32 length, const u8 *command); | ||
| void cardStartTransfer(const u8 *command, u32 *destination, int channel, u32 flags); | ||
| u32 cardWriteAndRead(const u8 *command, u32 flags); | ||
| void cardParamCommand (u8 command, u32 parameter, u32 flags, u32 *destination, u32 length); | ||
| void cardReadHeader(u8 *header); | ||
| u32 cardReadID(u32 flags); | ||
| void cardReset(); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,27 +1,43 @@ | ||
| // Copyright 2014 Normmatt | ||
| // Licensed under GPLv2 or any later version | ||
| // Refer to the license.txt file included. | ||
| // | ||
| // modifyed by osilloscopion (2 Jul 2016) | ||
| // | ||
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| #include "command_ntr.h" | ||
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| #include "protocol_ntr.h" | ||
| #include "card_ntr.h" | ||
| #include "delay.h" | ||
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| u32 ReadDataFlags = 0; | ||
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| void NTR_CmdReset(void) | ||
| { | ||
| static const u32 reset_cmd[2] = { 0x9F000000, 0x00000000 }; | ||
| NTR_SendCommand(reset_cmd, 0x2000, NTRCARD_CLK_SLOW | NTRCARD_DELAY1(0x1FFF) | NTRCARD_DELAY2(0x18), NULL); | ||
| cardReset (); | ||
| ioDelay(0xF000); | ||
| } | ||
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| u32 NTR_CmdGetCartId(void) | ||
| { | ||
| u32 id; | ||
| static const u32 getid_cmd[2] = { 0x90000000, 0x00000000 }; | ||
| NTR_SendCommand(getid_cmd, 0x4, NTRCARD_CLK_SLOW | NTRCARD_DELAY1(0x1FFF) | NTRCARD_DELAY2(0x18), &id); | ||
| return id; | ||
| return cardReadID (0); | ||
| } | ||
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| void NTR_CmdEnter16ByteMode(void) | ||
| { | ||
| static const u32 enter16bytemode_cmd[2] = { 0x3E000000, 0x00000000 }; | ||
| NTR_SendCommand(enter16bytemode_cmd, 0x0, 0, NULL); | ||
| } | ||
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| void NTR_CmdReadHeader (void* buffer) | ||
| { | ||
| cardReadHeader (buffer); | ||
| } | ||
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| void NTR_CmdReadData (u32 offset, void* buffer) | ||
| { | ||
| cardParamCommand (NTRCARD_CMD_DATA_READ, offset, ReadDataFlags | NTRCARD_ACTIVATE | NTRCARD_nRESET | NTRCARD_BLK_SIZE(1), (u32*)buffer, 0x200 / 4); | ||
| } | ||
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