1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2013 Freescale Semiconductor, Inc.
4 */
5
6 #include <common.h>
7 #include <command.h>
8 #include <env.h>
9 #include <i2c.h>
10 #include <init.h>
11 #include <netdev.h>
12 #include <linux/compiler.h>
13 #include <asm/mmu.h>
14 #include <asm/processor.h>
15 #include <asm/cache.h>
16 #include <asm/immap_85xx.h>
17 #include <asm/fsl_law.h>
18 #include <asm/fsl_serdes.h>
19 #include <asm/fsl_liodn.h>
20
21 DECLARE_GLOBAL_DATA_PTR;
22
checkboard(void)23 int checkboard(void)
24 {
25 struct cpu_type *cpu = gd->arch.cpu;
26
27 printf("Board: %sEMU\n", cpu->name);
28
29 return 0;
30 }
31
board_early_init_r(void)32 int board_early_init_r(void)
33 {
34 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
35 int flash_esel = find_tlb_idx((void *)flashbase, 1);
36
37 /*
38 * Remap Boot flash + PROMJET region to caching-inhibited
39 * so that flash can be erased properly.
40 */
41
42 /* Flush d-cache and invalidate i-cache of any FLASH data */
43 flush_dcache();
44 invalidate_icache();
45
46 if (flash_esel == -1) {
47 /* very unlikely unless something is messed up */
48 puts("Error: Could not find TLB for FLASH BASE\n");
49 flash_esel = 2; /* give our best effort to continue */
50 } else {
51 /* invalidate existing TLB entry for flash */
52 disable_tlb(flash_esel);
53 }
54
55 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
56 MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
57 0, flash_esel, BOOKE_PAGESZ_256M, 1);
58
59 return 0;
60 }
61
misc_init_r(void)62 int misc_init_r(void)
63 {
64 return 0;
65 }
66
ft_board_setup(void * blob,bd_t * bd)67 int ft_board_setup(void *blob, bd_t *bd)
68 {
69 phys_addr_t base;
70 phys_size_t size;
71
72 ft_cpu_setup(blob, bd);
73
74 base = env_get_bootm_low();
75 size = env_get_bootm_size();
76
77 fdt_fixup_memory(blob, (u64)base, (u64)size);
78
79 fdt_fixup_liodn(blob);
80 fsl_fdt_fixup_dr_usb(blob, bd);
81
82 return 0;
83 }
84