1 /*
2  * Copyright 2013 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <command.h>
9 #include <i2c.h>
10 #include <netdev.h>
11 #include <linux/compiler.h>
12 #include <asm/mmu.h>
13 #include <asm/processor.h>
14 #include <asm/cache.h>
15 #include <asm/immap_85xx.h>
16 #include <asm/fsl_law.h>
17 #include <asm/fsl_serdes.h>
18 #include <asm/fsl_liodn.h>
19 
20 DECLARE_GLOBAL_DATA_PTR;
21 
22 int checkboard(void)
23 {
24 	struct cpu_type *cpu = gd->arch.cpu;
25 
26 	printf("Board: %sEMU\n", cpu->name);
27 
28 	return 0;
29 }
30 
31 int board_early_init_r(void)
32 {
33 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
34 	int flash_esel = find_tlb_idx((void *)flashbase, 1);
35 
36 	/*
37 	 * Remap Boot flash + PROMJET region to caching-inhibited
38 	 * so that flash can be erased properly.
39 	 */
40 
41 	/* Flush d-cache and invalidate i-cache of any FLASH data */
42 	flush_dcache();
43 	invalidate_icache();
44 
45 	if (flash_esel == -1) {
46 		/* very unlikely unless something is messed up */
47 		puts("Error: Could not find TLB for FLASH BASE\n");
48 		flash_esel = 2;	/* give our best effort to continue */
49 	} else {
50 		/* invalidate existing TLB entry for flash */
51 		disable_tlb(flash_esel);
52 	}
53 
54 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
55 		MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
56 		0, flash_esel, BOOKE_PAGESZ_256M, 1);
57 
58 	return 0;
59 }
60 
61 int misc_init_r(void)
62 {
63 	return 0;
64 }
65 
66 int ft_board_setup(void *blob, bd_t *bd)
67 {
68 	phys_addr_t base;
69 	phys_size_t size;
70 
71 	ft_cpu_setup(blob, bd);
72 
73 	base = getenv_bootm_low();
74 	size = getenv_bootm_size();
75 
76 	fdt_fixup_memory(blob, (u64)base, (u64)size);
77 
78 	fdt_fixup_liodn(blob);
79 	fdt_fixup_dr_usb(blob, bd);
80 
81 	return 0;
82 }
83