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      1 /* SPDX-License-Identifier: GPL-2.0+ */
      2 /*
      3  * Freescale i.MX23/i.MX28 specific functions
      4  *
      5  * Copyright (C) 2011 Marek Vasut <marek.vasut (at) gmail.com>
      6  * on behalf of DENX Software Engineering GmbH
      7  */
      8 
      9 #ifndef __MXS_SYS_PROTO_H__
     10 #define __MXS_SYS_PROTO_H__
     11 
     12 #include <asm/mach-imx/sys_proto.h>
     13 
     14 int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int), int (*cd)(int));
     15 
     16 #ifdef CONFIG_SPL_BUILD
     17 
     18 #if defined(CONFIG_MX23)
     19 #include <asm/arch/iomux-mx23.h>
     20 #elif defined(CONFIG_MX28)
     21 #include <asm/arch/iomux-mx28.h>
     22 #endif
     23 
     24 void mxs_common_spl_init(const uint32_t arg, const uint32_t *resptr,
     25 			 const iomux_cfg_t *iomux_setup,
     26 			 const unsigned int iomux_size);
     27 
     28 void mxs_power_switch_dcdc_clocksource(uint32_t freqsel);
     29 #endif
     30 
     31 struct mxs_pair {
     32 	uint8_t	boot_pads;
     33 	uint8_t boot_mask;
     34 	const char *mode;
     35 };
     36 
     37 static const struct mxs_pair mxs_boot_modes[] = {
     38 #if defined(CONFIG_MX23)
     39 	{ 0x00, 0x0f, "USB" },
     40 	{ 0x01, 0x1f, "I2C, master" },
     41 	{ 0x02, 0x1f, "SSP SPI #1, master, NOR" },
     42 	{ 0x03, 0x1f, "SSP SPI #2, master, NOR" },
     43 	{ 0x04, 0x1f, "NAND" },
     44 	{ 0x06, 0x1f, "JTAG" },
     45 	{ 0x08, 0x1f, "SSP SPI #3, master, EEPROM" },
     46 	{ 0x09, 0x1f, "SSP SD/MMC #0" },
     47 	{ 0x0a, 0x1f, "SSP SD/MMC #1" },
     48 	{ 0x00, 0x00, "Reserved/Unknown/Wrong" },
     49 #elif defined(CONFIG_MX28)
     50 	{ 0x00, 0x0f, "USB #0" },
     51 	{ 0x01, 0x1f, "I2C #0, master, 3V3" },
     52 	{ 0x11, 0x1f, "I2C #0, master, 1V8" },
     53 	{ 0x02, 0x1f, "SSP SPI #2, master, 3V3 NOR" },
     54 	{ 0x12, 0x1f, "SSP SPI #2, master, 1V8 NOR" },
     55 	{ 0x03, 0x1f, "SSP SPI #3, master, 3V3 NOR" },
     56 	{ 0x13, 0x1f, "SSP SPI #3, master, 1V8 NOR" },
     57 	{ 0x04, 0x1f, "NAND, 3V3" },
     58 	{ 0x14, 0x1f, "NAND, 1V8" },
     59 	{ 0x06, 0x1f, "JTAG" },
     60 	{ 0x08, 0x1f, "SSP SPI #3, master, 3V3 EEPROM" },
     61 	{ 0x18, 0x1f, "SSP SPI #3, master, 1V8 EEPROM" },
     62 	{ 0x09, 0x1f, "SSP SD/MMC #0, 3V3" },
     63 	{ 0x19, 0x1f, "SSP SD/MMC #0, 1V8" },
     64 	{ 0x0a, 0x1f, "SSP SD/MMC #1, 3V3" },
     65 	{ 0x1a, 0x1f, "SSP SD/MMC #1, 1V8" },
     66 	{ 0x00, 0x00, "Reserved/Unknown/Wrong" },
     67 #endif
     68 };
     69 
     70 #define MXS_BM_USB			0x00
     71 #define MXS_BM_I2C_MASTER_3V3		0x01
     72 #define MXS_BM_I2C_MASTER_1V8		0x11
     73 #define MXS_BM_SPI2_MASTER_3V3_NOR	0x02
     74 #define MXS_BM_SPI2_MASTER_1V8_NOR	0x12
     75 #define MXS_BM_SPI3_MASTER_3V3_NOR	0x03
     76 #define MXS_BM_SPI3_MASTER_1V8_NOR	0x13
     77 #define MXS_BM_NAND_3V3			0x04
     78 #define MXS_BM_NAND_1V8			0x14
     79 #define MXS_BM_JTAG			0x06
     80 #define MXS_BM_SPI3_MASTER_3V3_EEPROM	0x08
     81 #define MXS_BM_SPI3_MASTER_1V8_EEPROM	0x18
     82 #define MXS_BM_SDMMC0_3V3		0x09
     83 #define MXS_BM_SDMMC0_1V8		0x19
     84 #define MXS_BM_SDMMC1_3V3		0x0a
     85 #define MXS_BM_SDMMC1_1V8		0x1a
     86 
     87 #define MXS_SPL_DATA ((struct mxs_spl_data *)(CONFIG_SYS_TEXT_BASE - 0x200))
     88 
     89 struct mxs_spl_data {
     90 	uint8_t		boot_mode_idx;
     91 	uint32_t	mem_dram_size;
     92 };
     93 
     94 int mxs_dram_init(void);
     95 
     96 #endif	/* __SYS_PROTO_H__ */
     97