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