X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=include%2Fmmc.h;h=228d77139d5682e9f249a0f8ff21e8bee9625150;hp=53aff9b4b485005006254c3c6eeee127da93a230;hb=aaf5e825606a70ddc8fca8e366d8c16a6fd3cc7c;hpb=9023ae305919d0aecb4a22726b9d08c6b08189d7 diff --git a/include/mmc.h b/include/mmc.h index 53aff9b4b4..228d77139d 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -4,41 +4,32 @@ * * Based (loosely) on the Linux code * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 + * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _MMC_H_ #define _MMC_H_ #include +#include #define SD_VERSION_SD 0x20000 -#define SD_VERSION_2 (SD_VERSION_SD | 0x20) -#define SD_VERSION_1_0 (SD_VERSION_SD | 0x10) -#define SD_VERSION_1_10 (SD_VERSION_SD | 0x1a) +#define SD_VERSION_3 (SD_VERSION_SD | 0x300) +#define SD_VERSION_2 (SD_VERSION_SD | 0x200) +#define SD_VERSION_1_0 (SD_VERSION_SD | 0x100) +#define SD_VERSION_1_10 (SD_VERSION_SD | 0x10a) #define MMC_VERSION_MMC 0x10000 #define MMC_VERSION_UNKNOWN (MMC_VERSION_MMC) -#define MMC_VERSION_1_2 (MMC_VERSION_MMC | 0x12) -#define MMC_VERSION_1_4 (MMC_VERSION_MMC | 0x14) -#define MMC_VERSION_2_2 (MMC_VERSION_MMC | 0x22) -#define MMC_VERSION_3 (MMC_VERSION_MMC | 0x30) -#define MMC_VERSION_4 (MMC_VERSION_MMC | 0x40) +#define MMC_VERSION_1_2 (MMC_VERSION_MMC | 0x102) +#define MMC_VERSION_1_4 (MMC_VERSION_MMC | 0x104) +#define MMC_VERSION_2_2 (MMC_VERSION_MMC | 0x202) +#define MMC_VERSION_3 (MMC_VERSION_MMC | 0x300) +#define MMC_VERSION_4 (MMC_VERSION_MMC | 0x400) +#define MMC_VERSION_4_1 (MMC_VERSION_MMC | 0x401) +#define MMC_VERSION_4_2 (MMC_VERSION_MMC | 0x402) +#define MMC_VERSION_4_3 (MMC_VERSION_MMC | 0x403) +#define MMC_VERSION_4_41 (MMC_VERSION_MMC | 0x429) +#define MMC_VERSION_4_5 (MMC_VERSION_MMC | 0x405) #define MMC_MODE_HS 0x001 #define MMC_MODE_HS_52MHz 0x010 @@ -47,6 +38,9 @@ #define MMC_MODE_SPI 0x400 #define MMC_MODE_HC 0x800 +#define MMC_MODE_MASK_WIDTH_BITS (MMC_MODE_4BIT | MMC_MODE_8BIT) +#define MMC_MODE_WIDTH_BITS_SHIFT 8 + #define SD_DATA_4BIT 0x00040000 #define IS_SD(x) (x->version & SD_VERSION_SD) @@ -58,6 +52,7 @@ #define UNUSABLE_ERR -17 /* Unusable Card */ #define COMM_ERR -18 /* Communications Error */ #define TIMEOUT -19 +#define IN_PROGRESS -20 /* operation is in progress */ #define MMC_CMD_GO_IDLE_STATE 0 #define MMC_CMD_SEND_OP_COND 1 @@ -82,6 +77,11 @@ #define MMC_CMD_APP_CMD 55 #define MMC_CMD_SPI_READ_OCR 58 #define MMC_CMD_SPI_CRC_ON_OFF 59 +#define MMC_CMD_RES_MAN 62 + +#define MMC_CMD62_ARG1 0xefac62ec +#define MMC_CMD62_ARG2 0xcbaea7 + #define SD_CMD_SEND_RELATIVE_ADDR 3 #define SD_CMD_SWITCH_FUNC 6 @@ -112,6 +112,8 @@ #define MMC_STATUS_CURR_STATE (0xf << 9) #define MMC_STATUS_ERROR (1 << 19) +#define MMC_STATE_PRG (7 << 9) + #define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */ #define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */ #define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */ @@ -145,13 +147,20 @@ /* * EXT_CSD fields */ - -#define EXT_CSD_PART_CONF 179 /* R/W */ -#define EXT_CSD_BUS_WIDTH 183 /* R/W */ -#define EXT_CSD_HS_TIMING 185 /* R/W */ -#define EXT_CSD_CARD_TYPE 196 /* RO */ -#define EXT_CSD_REV 192 /* RO */ -#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */ +#define EXT_CSD_GP_SIZE_MULT 143 /* R/W */ +#define EXT_CSD_PARTITIONING_SUPPORT 160 /* RO */ +#define EXT_CSD_RPMB_MULT 168 /* RO */ +#define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */ +#define EXT_CSD_BOOT_BUS_WIDTH 177 +#define EXT_CSD_PART_CONF 179 /* R/W */ +#define EXT_CSD_BUS_WIDTH 183 /* R/W */ +#define EXT_CSD_HS_TIMING 185 /* R/W */ +#define EXT_CSD_REV 192 /* RO */ +#define EXT_CSD_CARD_TYPE 196 /* RO */ +#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */ +#define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */ +#define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */ +#define EXT_CSD_BOOT_MULT 226 /* RO */ /* * EXT_CSD field definitions @@ -168,6 +177,16 @@ #define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */ #define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */ +#define EXT_CSD_BOOT_ACK_ENABLE (1 << 6) +#define EXT_CSD_BOOT_PARTITION_ENABLE (1 << 3) +#define EXT_CSD_PARTITION_ACCESS_ENABLE (1 << 0) +#define EXT_CSD_PARTITION_ACCESS_DISABLE (0 << 0) + +#define EXT_CSD_BOOT_ACK(x) (x << 6) +#define EXT_CSD_BOOT_PART_NUM(x) (x << 3) +#define EXT_CSD_PARTITION_ACCESS(x) (x << 0) + + #define R1_ILLEGAL_COMMAND (1 << 22) #define R1_APP_CMD (1 << 5) @@ -192,6 +211,14 @@ #define PART_ACCESS_MASK (0x7) #define PART_SUPPORT (0x1) +/* Maximum block size for MMC */ +#define MMC_MAX_BLOCK_LEN 512 + +/* The number of MMC physical partitions. These consist of: + * boot partitions (2), general purpose partitions (4) in MMC v4.4. + */ +#define MMC_NUM_BOOT_PARTITION 2 + struct mmc_cid { unsigned long psn; unsigned short oid; @@ -201,62 +228,11 @@ struct mmc_cid { char pnm[7]; }; -/* - * WARNING! - * - * This structure is used by atmel_mci.c only. - * It works for the AVR32 architecture but NOT - * for ARM/AT91 architectures. - * Its use is highly depreciated. - * After the atmel_mci.c driver for AVR32 has - * been replaced this structure will be removed. - */ -struct mmc_csd -{ - u8 csd_structure:2, - spec_vers:4, - rsvd1:2; - u8 taac; - u8 nsac; - u8 tran_speed; - u16 ccc:12, - read_bl_len:4; - u64 read_bl_partial:1, - write_blk_misalign:1, - read_blk_misalign:1, - dsr_imp:1, - rsvd2:2, - c_size:12, - vdd_r_curr_min:3, - vdd_r_curr_max:3, - vdd_w_curr_min:3, - vdd_w_curr_max:3, - c_size_mult:3, - sector_size:5, - erase_grp_size:5, - wp_grp_size:5, - wp_grp_enable:1, - default_ecc:2, - r2w_factor:3, - write_bl_len:4, - write_bl_partial:1, - rsvd3:5; - u8 file_format_grp:1, - copy:1, - perm_write_protect:1, - tmp_write_protect:1, - file_format:2, - ecc:2; - u8 crc:7; - u8 one:1; -}; - struct mmc_cmd { ushort cmdidx; uint resp_type; uint cmdarg; uint response[4]; - uint flags; }; struct mmc_data { @@ -295,12 +271,22 @@ struct mmc { uint write_bl_len; uint erase_grp_size; u64 capacity; + u64 capacity_user; + u64 capacity_boot; + u64 capacity_rpmb; + u64 capacity_gp[4]; block_dev_desc_t block_dev; int (*send_cmd)(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data); void (*set_ios)(struct mmc *mmc); int (*init)(struct mmc *mmc); + int (*getcd)(struct mmc *mmc); + int (*getwp)(struct mmc *mmc); uint b_max; + char op_cond_pending; /* 1 if we are waiting on an op_cond command */ + char init_in_progress; /* 1 if we have done mmc_start_init() */ + char preinit; /* start init as early as possible */ + uint op_cond_response; /* the response byte from the last op_cond */ }; int mmc_register(struct mmc *mmc); @@ -312,11 +298,43 @@ struct mmc *find_mmc_device(int dev_num); int mmc_set_dev(int dev_num); void print_mmc_devices(char separator); int get_mmc_num(void); -int board_mmc_getcd(u8 *cd, struct mmc *mmc); +int board_mmc_getcd(struct mmc *mmc); int mmc_switch_part(int dev_num, unsigned int part_num); +int mmc_getcd(struct mmc *mmc); +int mmc_getwp(struct mmc *mmc); +void spl_mmc_load(void) __noreturn; +/* Function to change the size of boot partition and rpmb partitions */ +int mmc_boot_partition_size_change(struct mmc *mmc, unsigned long bootsize, + unsigned long rpmbsize); +/* Function to send commands to open/close the specified boot partition */ +int mmc_boot_part_access(struct mmc *mmc, u8 ack, u8 part_num, u8 access); + +/** + * Start device initialization and return immediately; it does not block on + * polling OCR (operation condition register) status. Then you should call + * mmc_init, which would block on polling OCR status and complete the device + * initializatin. + * + * @param mmc Pointer to a MMC device struct + * @return 0 on success, IN_PROGRESS on waiting for OCR status, <0 on error. + */ +int mmc_start_init(struct mmc *mmc); + +/** + * Set preinit flag of mmc device. + * + * This will cause the device to be pre-inited during mmc_initialize(), + * which may save boot time if the device is not accessed until later. + * Some eMMC devices take 200-300ms to init, but unfortunately they + * must be sent a series of commands to even get them to start preparing + * for operation. + * + * @param mmc Pointer to a MMC device struct + * @param preinit preinit flag value + */ +void mmc_set_preinit(struct mmc *mmc, int preinit); #ifdef CONFIG_GENERIC_MMC -int atmel_mci_init(void *regs); #define mmc_host_is_spi(mmc) ((mmc)->host_caps & MMC_MODE_SPI) struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode); #else