1 /* 2 * Freescale i.MX23/i.MX28 specific functions 3 * 4 * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> 5 * on behalf of DENX Software Engineering GmbH 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef __SYS_PROTO_H__ 11 #define __SYS_PROTO_H__ 12 13 #include <asm/imx-common/regs-common.h> 14 15 int mxs_reset_block(struct mxs_register_32 *reg); 16 int mxs_wait_mask_set(struct mxs_register_32 *reg, 17 uint32_t mask, 18 unsigned int timeout); 19 int mxs_wait_mask_clr(struct mxs_register_32 *reg, 20 uint32_t mask, 21 unsigned int timeout); 22 23 int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int), int (*cd)(int)); 24 25 #ifdef CONFIG_SPL_BUILD 26 27 #if defined(CONFIG_MX23) 28 #include <asm/arch/iomux-mx23.h> 29 #elif defined(CONFIG_MX28) 30 #include <asm/arch/iomux-mx28.h> 31 #endif 32 33 void mxs_common_spl_init(const uint32_t arg, const uint32_t *resptr, 34 const iomux_cfg_t *iomux_setup, 35 const unsigned int iomux_size); 36 #endif 37 38 struct mxs_pair { 39 uint8_t boot_pads; 40 uint8_t boot_mask; 41 const char *mode; 42 }; 43 44 static const struct mxs_pair mxs_boot_modes[] = { 45 #if defined(CONFIG_MX23) 46 { 0x00, 0x0f, "USB" }, 47 { 0x01, 0x1f, "I2C, master" }, 48 { 0x02, 0x1f, "SSP SPI #1, master, NOR" }, 49 { 0x03, 0x1f, "SSP SPI #2, master, NOR" }, 50 { 0x04, 0x1f, "NAND" }, 51 { 0x06, 0x1f, "JTAG" }, 52 { 0x08, 0x1f, "SSP SPI #3, master, EEPROM" }, 53 { 0x09, 0x1f, "SSP SD/MMC #0" }, 54 { 0x0a, 0x1f, "SSP SD/MMC #1" }, 55 { 0x00, 0x00, "Reserved/Unknown/Wrong" }, 56 #elif defined(CONFIG_MX28) 57 { 0x00, 0x0f, "USB #0" }, 58 { 0x01, 0x1f, "I2C #0, master, 3V3" }, 59 { 0x11, 0x1f, "I2C #0, master, 1V8" }, 60 { 0x02, 0x1f, "SSP SPI #2, master, 3V3 NOR" }, 61 { 0x12, 0x1f, "SSP SPI #2, master, 1V8 NOR" }, 62 { 0x03, 0x1f, "SSP SPI #3, master, 3V3 NOR" }, 63 { 0x13, 0x1f, "SSP SPI #3, master, 1V8 NOR" }, 64 { 0x04, 0x1f, "NAND, 3V3" }, 65 { 0x14, 0x1f, "NAND, 1V8" }, 66 { 0x06, 0x1f, "JTAG" }, 67 { 0x08, 0x1f, "SSP SPI #3, master, 3V3 EEPROM" }, 68 { 0x18, 0x1f, "SSP SPI #3, master, 1V8 EEPROM" }, 69 { 0x09, 0x1f, "SSP SD/MMC #0, 3V3" }, 70 { 0x19, 0x1f, "SSP SD/MMC #0, 1V8" }, 71 { 0x0a, 0x1f, "SSP SD/MMC #1, 3V3" }, 72 { 0x1a, 0x1f, "SSP SD/MMC #1, 1V8" }, 73 { 0x00, 0x00, "Reserved/Unknown/Wrong" }, 74 #endif 75 }; 76 77 #define MXS_BM_USB 0x00 78 #define MXS_BM_I2C_MASTER_3V3 0x01 79 #define MXS_BM_I2C_MASTER_1V8 0x11 80 #define MXS_BM_SPI2_MASTER_3V3_NOR 0x02 81 #define MXS_BM_SPI2_MASTER_1V8_NOR 0x12 82 #define MXS_BM_SPI3_MASTER_3V3_NOR 0x03 83 #define MXS_BM_SPI3_MASTER_1V8_NOR 0x13 84 #define MXS_BM_NAND_3V3 0x04 85 #define MXS_BM_NAND_1V8 0x14 86 #define MXS_BM_JTAG 0x06 87 #define MXS_BM_SPI3_MASTER_3V3_EEPROM 0x08 88 #define MXS_BM_SPI3_MASTER_1V8_EEPROM 0x18 89 #define MXS_BM_SDMMC0_3V3 0x09 90 #define MXS_BM_SDMMC0_1V8 0x19 91 #define MXS_BM_SDMMC1_3V3 0x0a 92 #define MXS_BM_SDMMC1_1V8 0x1a 93 94 struct mxs_spl_data { 95 uint8_t boot_mode_idx; 96 uint32_t mem_dram_size; 97 }; 98 99 int mxs_dram_init(void); 100 101 #endif /* __SYS_PROTO_H__ */ 102