LXR uboot/board/freescale/t4qds/t4240emu.c

   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
  19DECLARE_GLOBAL_DATA_PTR;
  20
  21int 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
  30int 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
  60int misc_init_r(void)
  61{
  62        return 0;
  63}
  64
  65int 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