diff options
Diffstat (limited to 'drivers/mmc/tegra2_mmc.h')
| -rw-r--r-- | drivers/mmc/tegra2_mmc.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/mmc/tegra2_mmc.h b/drivers/mmc/tegra2_mmc.h new file mode 100644 index 0000000..4b80f9f --- /dev/null +++ b/drivers/mmc/tegra2_mmc.h @@ -0,0 +1,81 @@ +/* + * (C) Copyright 2009 SAMSUNG Electronics + * Minkyu Kang <mk7.kang@samsung.com> + * Portions Copyright (C) 2011 NVIDIA Corporation + * + * This program is free software; you can redistribute it 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 program 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __TEGRA2_MMC_H_ +#define __TEGRA2_MMC_H_ + +#define TEGRA2_SDMMC1_BASE 0xC8000000 +#define TEGRA2_SDMMC2_BASE 0xC8000200 +#define TEGRA2_SDMMC3_BASE 0xC8000400 +#define TEGRA2_SDMMC4_BASE 0xC8000600 + +#ifndef __ASSEMBLY__ +struct tegra2_mmc { + unsigned int sysad; /* _SYSTEM_ADDRESS_0 */ + unsigned short blksize; /* _BLOCK_SIZE_BLOCK_COUNT_0 15:00 */ + unsigned short blkcnt; /* _BLOCK_SIZE_BLOCK_COUNT_0 31:16 */ + unsigned int argument; /* _ARGUMENT_0 */ + unsigned short trnmod; /* _CMD_XFER_MODE_0 15:00 xfer mode */ + unsigned short cmdreg; /* _CMD_XFER_MODE_0 31:16 cmd reg */ + unsigned int rspreg0; /* _RESPONSE_R0_R1_0 CMD RESP 31:00 */ + unsigned int rspreg1; /* _RESPONSE_R2_R3_0 CMD RESP 63:32 */ + unsigned int rspreg2; /* _RESPONSE_R4_R5_0 CMD RESP 95:64 */ + unsigned int rspreg3; /* _RESPONSE_R6_R7_0 CMD RESP 127:96 */ + unsigned int bdata; /* _BUFFER_DATA_PORT_0 */ + unsigned int prnsts; /* _PRESENT_STATE_0 */ + unsigned char hostctl; /* _POWER_CONTROL_HOST_0 7:00 */ + unsigned char pwrcon; /* _POWER_CONTROL_HOST_0 15:8 */ + unsigned char blkgap; /* _POWER_CONTROL_HOST_9 23:16 */ + unsigned char wakcon; /* _POWER_CONTROL_HOST_0 31:24 */ + unsigned short clkcon; /* _CLOCK_CONTROL_0 15:00 */ + unsigned char timeoutcon; /* _TIMEOUT_CTRL 23:16 */ + unsigned char swrst; /* _SW_RESET_ 31:24 */ + unsigned int norintsts; /* _INTERRUPT_STATUS_0 */ + unsigned int norintstsen; /* _INTERRUPT_STATUS_ENABLE_0 */ + unsigned int norintsigen; /* _INTERRUPT_SIGNAL_ENABLE_0 */ + unsigned short acmd12errsts; /* _AUTO_CMD12_ERR_STATUS_0 15:00 */ + unsigned char res1[2]; /* _RESERVED 31:16 */ + unsigned int capareg; /* _CAPABILITIES_0 */ + unsigned char res2[4]; /* RESERVED, offset 44h-47h */ + unsigned int maxcurr; /* _MAXIMUM_CURRENT_0 */ + unsigned char res3[4]; /* RESERVED, offset 4Ch-4Fh */ + unsigned short setacmd12err; /* offset 50h */ + unsigned short setinterr; /* offset 52h */ + unsigned char admaerr; /* offset 54h */ + unsigned char res4[3]; /* RESERVED, offset 55h-57h */ + unsigned long admaaddr; /* offset 58h-5Fh */ + unsigned char res5[0x9c]; /* RESERVED, offset 60h-FBh */ + unsigned short slotintstatus; /* offset FCh */ + unsigned short hcver; /* HOST Version */ + unsigned char res6[0x100]; /* RESERVED, offset 100h-1FFh */ +}; + +struct mmc_host { + struct tegra2_mmc *reg; + unsigned int version; /* SDHCI spec. version */ + unsigned int clock; /* Current clock (MHz) */ + unsigned int base; /* Base address, SDMMC1/2/3/4 */ +}; + +int tegra2_mmc_init(int dev_index, int bus_width); + +#endif /* __ASSEMBLY__ */ +#endif /* __TEGRA2_MMC_H_ */ |