| |
| /* |
| * arch/arm/include/asm/arch-txl/sd_emmc.h |
| * |
| * Copyright (C) 2015 Amlogic, Inc. All rights reserved. |
| * |
| * 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., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef __SD_EMMC_H__ |
| #define __SD_EMMC_H__ |
| |
| #include "cpu_sdio.h" |
| |
| #define SD_EMMC_BASE_A 0xFFE03000 |
| #define SD_EMMC_BASE_B 0xFFE05000 |
| #define SD_EMMC_BASE_C 0xFFE07000 |
| |
| #define NEWSD_IRQ_ALL 0x3fff |
| |
| #define SD_EMMC_CLKSRC_24M 24000000 |
| #define SD_EMMC_CLKSRC_DIV2 1000000000 |
| |
| #define NEWSD_IRQ_EN_ALL_INIT |
| #define NEWSD_MAX_DESC_MUN 512 |
| #define NEWSD_BOUNCE_REQ_SIZE (512*1024) |
| #define MAX_BLOCK_COUNTS 256 |
| #define SD_EMMC_CLKSRC 24000000 |
| |
| #define MMC_RSP_136_NUM 4 |
| #define MAX_RESPONSE_BYTES 4 |
| |
| #define RESPONSE_R1_R3_R6_R7_LENGTH 6 |
| #define RESPONSE_R2_CID_CSD_LENGTH 17 |
| #define RESPONSE_R4_R5_NONE_LENGTH 0 |
| |
| #define SDIO_PORT_A 0 |
| #define SDIO_PORT_B 1 |
| #define SDIO_PORT_C 2 |
| |
| #define CARD_SD_SDIO_INIT (1<<0) |
| #define CARD_SD_SDIO_DETECT (1<<1) |
| #define CARD_SD_SDIO_PWR_PREPARE (1<<2) |
| #define CARD_SD_SDIO_PWR_ON (1<<3) |
| #define CARD_SD_SDIO_PWR_OFF (1<<4) |
| |
| typedef enum _SD_Error_Status_t { |
| SD_NO_ERROR = 0, |
| SD_ERROR_OUT_OF_RANGE, //Bit 31 |
| SD_ERROR_ADDRESS, //Bit 30 |
| SD_ERROR_BLOCK_LEN, //Bit 29 |
| SD_ERROR_ERASE_SEQ, //Bit 28 |
| SD_ERROR_ERASE_PARAM, //Bit 27 |
| SD_ERROR_WP_VIOLATION, //Bit 26 |
| SD_ERROR_CARD_IS_LOCKED, //Bit 25 |
| SD_ERROR_LOCK_UNLOCK_FAILED, //Bit 24 |
| SD_ERROR_COM_CRC, //Bit 23 |
| SD_ERROR_ILLEGAL_COMMAND, //Bit 22 |
| SD_ERROR_CARD_ECC_FAILED, //Bit 21 |
| SD_ERROR_CC, //Bit 20 |
| SD_ERROR_GENERAL, //Bit 19 |
| SD_ERROR_Reserved1, //Bit 18 |
| SD_ERROR_Reserved2, //Bit 17 |
| SD_ERROR_CID_CSD_OVERWRITE, //Bit 16 |
| SD_ERROR_AKE_SEQ, //Bit 03 |
| SD_ERROR_STATE_MISMATCH, |
| SD_ERROR_HEADER_MISMATCH, |
| SD_ERROR_DATA_CRC, |
| SD_ERROR_TIMEOUT, |
| SD_ERROR_DRIVER_FAILURE, |
| SD_ERROR_WRITE_PROTECTED, |
| SD_ERROR_NO_MEMORY, |
| SD_ERROR_SWITCH_FUNCTION_COMUNICATION, |
| SD_ERROR_NO_FUNCTION_SWITCH, |
| SD_ERROR_NO_CARD_INS |
| } SD_Error_Status_t; |
| |
| |
| typedef enum _SD_Bus_Width |
| { |
| SD_BUS_SINGLE = 1, //only DAT0 |
| SD_BUS_WIDE = 4 //use DAT0-4 |
| } SD_Bus_Width_t; |
| |
| //LSB -> MSB, structrue for SD Card Status |
| typedef struct _SD_Card_Status |
| { |
| unsigned Reserved3: 2; |
| unsigned Reserved4: 1; |
| unsigned AKE_SEQ_ERROR: 1; //Error in the sequence of authentication process. |
| unsigned Reserved5: 1; |
| unsigned APP_CMD: 1; //The card will expect ACMD, or indication that the command has been interpreted as ACMD. |
| unsigned NotUsed: 2; |
| |
| unsigned READY_FOR_DATA: 1; //Corresponds to buffer empty signalling on the bus. |
| unsigned CURRENT_STATE: 4; //The state of the card when receiving the command. |
| unsigned ERASE_RESET: 1; //An erase sequence was cleared beforem executing because an out of erase sequence command was received. |
| unsigned CARD_ECC_DISABLED: 1; //The command has been executed without using the internal ECC. |
| unsigned WP_ERASE_SKIP: 1; //Only partial address space was erased due to existing write protected blocks. |
| |
| unsigned CID_CSD_OVERWRITE: 1; //Can be either one of the following errors: |
| unsigned Reserved1: 1; |
| unsigned Reserved2: 1; |
| unsigned ERROR: 1; //A general or an unknown error occurred during the operation. |
| unsigned CC_ERROR: 1; //Internal card controller error |
| unsigned CARD_ECC_FAILED: 1; //Card internal ECC was applied but failed to correct the data. |
| unsigned ILLEGAL_COMMAND: 1; //Command not legal for the card state |
| unsigned COM_CRC_ERROR: 1; //The CRC check of the previous command failed. |
| |
| unsigned LOCK_UNLOCK_FAILED: 1; //Set when a sequence or password error has been detected in lock/ unlock card command or if there was an attempt to access a locked card |
| |
| unsigned CARD_IS_LOCKED: 1; //When set, signals that the card is locked by the host |
| unsigned WP_VIOLATION: 1; //Attempt to program a write-protected block. |
| unsigned ERASE_PARAM: 1; //An invalid selection of write-blocks for erase occurred. |
| unsigned ERASE_SEQ_ERROR: 1; //An error in the sequence of erase commands occurred. |
| unsigned BLOCK_LEN_ERROR: 1; //The transferred block length is not allowed for this card, or the number of transferred bytes does not match the block length. |
| unsigned ADDRESS_ERROR: 1; //A misaligned address that did not match the block length was used in the command. |
| unsigned OUT_OF_RANGE: 1; //The command??s argument was out of the allowed range for this card. |
| |
| } SD_Card_Status_t; |
| |
| //structure for response |
| typedef struct _SD_Response_R1 |
| { |
| SD_Card_Status_t card_status; //card status |
| } SD_Response_R1_t; |
| |
| |
| struct aml_card_sd_info |
| { |
| unsigned sd_emmc_port; //0: sdioa, 1:sdiob, 2:sdioc |
| unsigned sd_emmc_reg_base; |
| char * name; |
| int inited_flag; |
| int removed_flag; |
| int init_retry; |
| int single_blk_failed; |
| char* desc_buf; |
| struct mmc_config cfg; |
| struct sd_emmc_global_regs *sd_emmc_reg; |
| dma_addr_t desc_dma_addr; |
| #ifdef AML_CARD_SD_INFO_DETAILED |
| int (* sd_emmc_init)(unsigned port,struct aml_card_sd_info *sdio); |
| int (* sd_emmc_detect)(unsigned port,struct aml_card_sd_info *sdio); |
| void (* sd_emmc_pwr_prepare)(unsigned port,struct aml_card_sd_info *sdio); |
| void (* sd_emmc_pwr_on)(unsigned port,struct aml_card_sd_info *sdio); |
| void (* sd_emmc_pwr_off)(unsigned port,struct aml_card_sd_info *sdio); |
| unsigned int sdio_pwr_flag; |
| #else |
| int (* sd_emmc_init)(unsigned port); |
| int (* sd_emmc_detect)(unsigned port); |
| void (* sd_emmc_pwr_prepare)(unsigned port); |
| void (* sd_emmc_pwr_on)(unsigned port); |
| void (* sd_emmc_pwr_off)(unsigned port); |
| #endif |
| }; |
| |
| extern struct aml_card_sd_info * cpu_sd_emmc_get(unsigned port); |
| extern int cpu_sd_emmc_init(unsigned port); |
| extern void cpu_sd_emmc_pwr_prepare(unsigned port); |
| struct mmc;//mmc is struct mmc , to avoid include mmc.h , declare it |
| extern void sd_emmc_register(struct aml_card_sd_info *); |
| extern void sd_emmc_para_config(struct sd_emmc_global_regs *reg, |
| unsigned int clock, unsigned int port); |
| #endif |
