1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright 2013 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <command.h>
9*4882a593Smuzhiyun #include <i2c.h>
10*4882a593Smuzhiyun #include <netdev.h>
11*4882a593Smuzhiyun #include <linux/compiler.h>
12*4882a593Smuzhiyun #include <asm/mmu.h>
13*4882a593Smuzhiyun #include <asm/processor.h>
14*4882a593Smuzhiyun #include <asm/cache.h>
15*4882a593Smuzhiyun #include <asm/immap_85xx.h>
16*4882a593Smuzhiyun #include <asm/fsl_law.h>
17*4882a593Smuzhiyun #include <asm/fsl_serdes.h>
18*4882a593Smuzhiyun #include <asm/fsl_liodn.h>
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
21*4882a593Smuzhiyun
checkboard(void)22*4882a593Smuzhiyun int checkboard(void)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun struct cpu_type *cpu = gd->arch.cpu;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun printf("Board: %sEMU\n", cpu->name);
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun return 0;
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun
board_early_init_r(void)31*4882a593Smuzhiyun int board_early_init_r(void)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
34*4882a593Smuzhiyun int flash_esel = find_tlb_idx((void *)flashbase, 1);
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun /*
37*4882a593Smuzhiyun * Remap Boot flash + PROMJET region to caching-inhibited
38*4882a593Smuzhiyun * so that flash can be erased properly.
39*4882a593Smuzhiyun */
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun /* Flush d-cache and invalidate i-cache of any FLASH data */
42*4882a593Smuzhiyun flush_dcache();
43*4882a593Smuzhiyun invalidate_icache();
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun if (flash_esel == -1) {
46*4882a593Smuzhiyun /* very unlikely unless something is messed up */
47*4882a593Smuzhiyun puts("Error: Could not find TLB for FLASH BASE\n");
48*4882a593Smuzhiyun flash_esel = 2; /* give our best effort to continue */
49*4882a593Smuzhiyun } else {
50*4882a593Smuzhiyun /* invalidate existing TLB entry for flash */
51*4882a593Smuzhiyun disable_tlb(flash_esel);
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
55*4882a593Smuzhiyun MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
56*4882a593Smuzhiyun 0, flash_esel, BOOKE_PAGESZ_256M, 1);
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun return 0;
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun
misc_init_r(void)61*4882a593Smuzhiyun int misc_init_r(void)
62*4882a593Smuzhiyun {
63*4882a593Smuzhiyun return 0;
64*4882a593Smuzhiyun }
65*4882a593Smuzhiyun
ft_board_setup(void * blob,bd_t * bd)66*4882a593Smuzhiyun int ft_board_setup(void *blob, bd_t *bd)
67*4882a593Smuzhiyun {
68*4882a593Smuzhiyun phys_addr_t base;
69*4882a593Smuzhiyun phys_size_t size;
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun ft_cpu_setup(blob, bd);
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun base = env_get_bootm_low();
74*4882a593Smuzhiyun size = env_get_bootm_size();
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun fdt_fixup_memory(blob, (u64)base, (u64)size);
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun fdt_fixup_liodn(blob);
79*4882a593Smuzhiyun fsl_fdt_fixup_dr_usb(blob, bd);
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun return 0;
82*4882a593Smuzhiyun }
83