1 /* 2 * Copyright (c) 2016 - 2020, Broadcom 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef PBOOT_HAL_MEMORY_EMMC_DRV_H 8 #define PBOOT_HAL_MEMORY_EMMC_DRV_H 9 10 #include <drivers/delay_timer.h> 11 12 #include "emmc_chal_types.h" 13 #include "emmc_chal_sd.h" 14 #include "emmc_csl_sdprot.h" 15 #include "emmc_csl_sdcmd.h" 16 #include "emmc_csl_sd.h" 17 #include "emmc_brcm_rdb_sd4_top.h" 18 19 #define CLK_SDIO_DIV_52MHZ 0x0 20 #define SYSCFG_IOCR4_PAD_10MA 0x38000000 21 22 #define SDCLK_CNT_PER_MS 52000 23 #define BOOT_ACK_TIMEOUT (50 * SDCLK_CNT_PER_MS) 24 #define BOOT_DATA_TIMEOUT (1000 * SDCLK_CNT_PER_MS) 25 26 #define EMMC_BOOT_OK 0 27 #define EMMC_BOOT_ERROR 1 28 #define EMMC_BOOT_TIMEOUT 2 29 #define EMMC_BOOT_INVALIDIMAGE 3 30 #define EMMC_BOOT_NO_CARD 4 31 32 #define EMMC_USER_AREA 0 33 #define EMMC_BOOT_PARTITION1 1 34 #define EMMC_BOOT_PARTITION2 2 35 #define EMMC_USE_CURRENT_PARTITION 3 36 37 #define EMMC_BOOT_PARTITION_SIZE (128*1024) 38 #define EMMC_BLOCK_SIZE 512 39 #define EMMC_DMA_SIZE (4*1024) 40 41 /* 42 * EMMC4.3 definitions 43 * Table 6 EXT_CSD access mode 44 * Access 45 * Bits Access Name Operation 46 * 00 Command Set The command set is changed according to the Cmd Set field of 47 * the argument 48 * 01 Set Bits The bits in the pointed uint8_t are set, 49 * according to the 1 bits in the Value field. 50 * 10 Clear Bits The bits in the pointed uint8_t are cleared, 51 * according to the 1 bits in the Value field. 52 * 11 Write Byte The Value field is written into the pointed uint8_t. 53 */ 54 55 #define SDIO_HW_EMMC_EXT_CSD_WRITE_BYTE 0X03000000 56 57 /* Boot bus width1 BOOT_BUS_WIDTH 1 R/W [177] */ 58 #define SDIO_HW_EMMC_EXT_CSD_BOOT_BUS_WIDTH_OFFSET 0X00B10000 59 60 /* Boot configuration BOOT_CONFIG 1 R/W [179] */ 61 #define SDIO_HW_EMMC_EXT_CSD_BOOT_CONFIG_OFFSET 0X00B30000 62 63 /* Bus width mode BUS_WIDTH 1 WO [183] */ 64 #define SDIO_HW_EMMC_EXT_CSD_BUS_WIDTH_OFFSET 0X00B70000 65 66 /* 67 * Bit 6: BOOT_ACK (non-volatile) 68 * 0x0 : No boot acknowledge sent (default) 69 * 0x1 : Boot acknowledge sent during boot operation 70 * Bit[5:3] : BOOT_PARTITION_ENABLE (non-volatile) 71 * User selects boot data that will be sent to master 72 * 0x0 : Device not boot enabled (default) 73 * 0x1 : Boot partition 1 enabled for boot 74 * 0x2 : Boot partition 2 enabled for boot 75 * 0x3-0x6 : Reserved 76 * 0x7 : User area enabled for boot 77 * Bit[2:0] : BOOT_PARTITION_ACCESS 78 * User selects boot partition for read and write operation 79 * 0x0 : No access to boot partition (default) 80 * 0x1 : R/W boot partition 1 81 * 0x2 : R/W boot partition 2 82 * 0x3-0x7 : Reserved 83 */ 84 85 #define SDIO_HW_EMMC_EXT_CSD_BOOT_ACC_BOOT1 0X00000100 86 #define SDIO_HW_EMMC_EXT_CSD_BOOT_ACC_BOOT2 0X00000200 87 #define SDIO_HW_EMMC_EXT_CSD_BOOT_ACC_USER 0X00000000 88 #define SDIO_HW_EMMC_EXT_CSD_BOOT_EN_BOOT1 0X00004800 89 #define SDIO_HW_EMMC_EXT_CSD_BOOT_EN_BOOT2 0X00005000 90 #define SDIO_HW_EMMC_EXT_CSD_BOOT_EN_USER 0X00007800 91 92 #define SD_US_DELAY(x) udelay(x) 93 94 #endif 95