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@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