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