183 lines
6.4 KiB
C
183 lines
6.4 KiB
C
#pragma once
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright (c) 2014-2015, Normmatt
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*
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* Alternatively, the contents of this file may be used under the terms
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* of the GNU General Public License Version 2, as described below:
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*
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* This file is free software: you may copy, redistribute and/or modify
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* it under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 2 of the License, or (at your
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* option) any later version.
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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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, see http://www.gnu.org/licenses/.
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*/
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#include "../../types.h"
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#define SDMMC_BASE (0x10006000)
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#define REG_SDCMD (0x00)
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#define REG_SDPORTSEL (0x02)
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#define REG_SDCMDARG (0x04)
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#define REG_SDCMDARG0 (0x04)
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#define REG_SDCMDARG1 (0x06)
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#define REG_SDSTOP (0x08)
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#define REG_SDBLKCOUNT (0x0a)
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#define REG_SDRESP0 (0x0c)
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#define REG_SDRESP1 (0x0e)
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#define REG_SDRESP2 (0x10)
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#define REG_SDRESP3 (0x12)
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#define REG_SDRESP4 (0x14)
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#define REG_SDRESP5 (0x16)
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#define REG_SDRESP6 (0x18)
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#define REG_SDRESP7 (0x1a)
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#define REG_SDSTATUS0 (0x1c)
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#define REG_SDSTATUS1 (0x1e)
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#define REG_SDIRMASK0 (0x20)
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#define REG_SDIRMASK1 (0x22)
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#define REG_SDCLKCTL (0x24)
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#define REG_SDBLKLEN (0x26)
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#define REG_SDOPT (0x28)
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#define REG_SDFIFO (0x30)
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#define REG_DATACTL (0xd8)
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#define REG_SDRESET (0xe0)
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#define REG_SDPROTECTED (0xf6) //bit 0 determines if sd is protected or not?
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#define REG_DATACTL32 (0x100)
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#define REG_SDBLKLEN32 (0x104)
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#define REG_SDBLKCOUNT32 (0x108)
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#define REG_SDFIFO32 (0x10C)
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#define REG_CLK_AND_WAIT_CTL (0x138)
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#define REG_RESET_SDIO (0x1e0)
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#define TMIO_STAT0_CMDRESPEND (0x0001)
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#define TMIO_STAT0_DATAEND (0x0004)
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#define TMIO_STAT0_CARD_REMOVE (0x0008)
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#define TMIO_STAT0_CARD_INSERT (0x0010)
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#define TMIO_STAT0_SIGSTATE (0x0020)
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#define TMIO_STAT0_WRPROTECT (0x0080)
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#define TMIO_STAT0_CARD_REMOVE_A (0x0100)
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#define TMIO_STAT0_CARD_INSERT_A (0x0200)
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#define TMIO_STAT0_SIGSTATE_A (0x0400)
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#define TMIO_STAT1_CMD_IDX_ERR (0x0001)
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#define TMIO_STAT1_CRCFAIL (0x0002)
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#define TMIO_STAT1_STOPBIT_ERR (0x0004)
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#define TMIO_STAT1_DATATIMEOUT (0x0008)
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#define TMIO_STAT1_RXOVERFLOW (0x0010)
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#define TMIO_STAT1_TXUNDERRUN (0x0020)
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#define TMIO_STAT1_CMDTIMEOUT (0x0040)
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#define TMIO_STAT1_RXRDY (0x0100)
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#define TMIO_STAT1_TXRQ (0x0200)
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#define TMIO_STAT1_ILL_FUNC (0x2000)
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#define TMIO_STAT1_CMD_BUSY (0x4000)
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#define TMIO_STAT1_ILL_ACCESS (0x8000)
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#define TMIO_MASK_ALL (0x837F031D)
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#define TMIO_MASK_GW (TMIO_STAT1_ILL_ACCESS | TMIO_STAT1_CMDTIMEOUT | TMIO_STAT1_TXUNDERRUN | TMIO_STAT1_RXOVERFLOW | \
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TMIO_STAT1_DATATIMEOUT | TMIO_STAT1_STOPBIT_ERR | TMIO_STAT1_CRCFAIL | TMIO_STAT1_CMD_IDX_ERR)
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#define TMIO_MASK_READOP (TMIO_STAT1_RXRDY | TMIO_STAT1_DATAEND)
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#define TMIO_MASK_WRITEOP (TMIO_STAT1_TXRQ | TMIO_STAT1_DATAEND)
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#define SD_WRITE_PROTECTED (((*((vu16*)(SDMMC_BASE + REG_SDSTATUS0))) & (1 << 7 | 1 << 5)) == (1 << 5))
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct mmcdevice {
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u8* rData;
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const u8* tData;
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u32 size;
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u32 error;
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u16 stat0;
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u16 stat1;
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u32 ret[4];
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u32 initarg;
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u32 isSDHC;
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u32 clk;
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u32 SDOPT;
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u32 devicenumber;
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u32 total_size; //size in sectors of the device
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u32 res;
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} mmcdevice;
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void sdmmc_init();
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int sdmmc_sdcard_readsector(u32 sector_no, u8 *out);
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int sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, u8 *out);
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int sdmmc_sdcard_writesector(u32 sector_no, const u8 *in);
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int sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, const u8 *in);
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int sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, u8 *out);
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int sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, const u8 *in);
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int sdmmc_get_cid(bool isNand, u32 *info);
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mmcdevice *getMMCDevice(int drive);
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int Nand_Init();
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int SD_Init();
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u32 sdmmc_sdcard_init();
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#ifdef __cplusplus
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};
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#endif
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//---------------------------------------------------------------------------------
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static inline u16 sdmmc_read16(u16 reg) {
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//---------------------------------------------------------------------------------
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return *(volatile u16*)(SDMMC_BASE + reg);
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}
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//---------------------------------------------------------------------------------
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static inline void sdmmc_write16(u16 reg, u16 val) {
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//---------------------------------------------------------------------------------
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*(volatile u16*)(SDMMC_BASE + reg) = val;
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}
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//---------------------------------------------------------------------------------
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static inline u32 sdmmc_read32(u16 reg) {
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//---------------------------------------------------------------------------------
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return *(volatile u32*)(SDMMC_BASE + reg);
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}
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//---------------------------------------------------------------------------------
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static inline void sdmmc_write32(u16 reg, u32 val) {
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//---------------------------------------------------------------------------------
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*(volatile u32*)(SDMMC_BASE + reg) = val;
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}
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//---------------------------------------------------------------------------------
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static inline void sdmmc_mask16(u16 reg, const u16 clear, const u16 set) {
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//---------------------------------------------------------------------------------
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u16 val = sdmmc_read16(reg);
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val &= ~clear;
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val |= set;
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sdmmc_write16(reg, val);
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}
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static inline void setckl(u32 data)
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{
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sdmmc_write16(REG_SDCLKCTL, data & 0xFF);
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sdmmc_write16(REG_SDCLKCTL, 1u<<8 | (data & 0x2FF));
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}
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