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

   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
  20DECLARE_GLOBAL_DATA_PTR;
  21
  22int 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
  31int 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
  61int misc_init_r(void)
  62{
  63        return 0;
  64}
  65
  66int 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        fsl_fdt_fixup_dr_usb(blob, bd);
  80
  81        return 0;
  82}
  83