1 /*
2  * Copyright 2014-2015 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <spl.h>
9 #include <asm/io.h>
10 #include <fsl_ifc.h>
11 #include <fsl_csu.h>
12 #include <i2c.h>
13 
14 DECLARE_GLOBAL_DATA_PTR;
15 
16 u32 spl_boot_device(void)
17 {
18 #ifdef CONFIG_SPL_MMC_SUPPORT
19 	return BOOT_DEVICE_MMC1;
20 #endif
21 #ifdef CONFIG_SPL_NAND_SUPPORT
22 	return BOOT_DEVICE_NAND;
23 #endif
24 	return 0;
25 }
26 
27 u32 spl_boot_mode(void)
28 {
29 	switch (spl_boot_device()) {
30 	case BOOT_DEVICE_MMC1:
31 #ifdef CONFIG_SPL_FAT_SUPPORT
32 		return MMCSD_MODE_FAT;
33 #else
34 		return MMCSD_MODE_RAW;
35 #endif
36 	case BOOT_DEVICE_NAND:
37 		return 0;
38 	default:
39 		puts("spl: error: unsupported device\n");
40 		hang();
41 	}
42 }
43 
44 #ifdef CONFIG_SPL_BUILD
45 void board_init_f(ulong dummy)
46 {
47 	/* Set global data pointer */
48 	gd = &gdata;
49 	/* Clear global data */
50 	memset((void *)gd, 0, sizeof(gd_t));
51 #ifdef CONFIG_LS2085A
52 	arch_cpu_init();
53 #endif
54 #ifdef CONFIG_FSL_IFC
55 	init_early_memctl_regs();
56 #endif
57 	board_early_init_f();
58 	timer_init();
59 #ifdef CONFIG_LS2085A
60 	env_init();
61 #endif
62 	get_clocks();
63 
64 	preloader_console_init();
65 
66 #ifdef CONFIG_SPL_I2C_SUPPORT
67 	i2c_init_all();
68 #endif
69 	dram_init();
70 
71 	/* Clear the BSS */
72 	memset(__bss_start, 0, __bss_end - __bss_start);
73 
74 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
75 	enable_layerscape_ns_access();
76 #endif
77 	board_init_r(NULL, 0);
78 }
79 #endif
80