LXR uboot/board/freescale/t4rdb/t4240rdb.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2014 Freescale Semiconductor, Inc.
   4 */
   5
   6#include <common.h>
   7#include <command.h>
   8#include <env.h>
   9#include <fdt_support.h>
  10#include <i2c.h>
  11#include <image.h>
  12#include <init.h>
  13#include <netdev.h>
  14#include <linux/compiler.h>
  15#include <asm/mmu.h>
  16#include <asm/processor.h>
  17#include <asm/cache.h>
  18#include <asm/immap_85xx.h>
  19#include <asm/fsl_law.h>
  20#include <asm/fsl_serdes.h>
  21#include <asm/fsl_liodn.h>
  22#include <fm_eth.h>
  23
  24#include "t4rdb.h"
  25#include "cpld.h"
  26#include "../common/vid.h"
  27
  28DECLARE_GLOBAL_DATA_PTR;
  29
  30int checkboard(void)
  31{
  32        struct cpu_type *cpu = gd->arch.cpu;
  33        u8 sw;
  34
  35        printf("Board: %sRDB, ", cpu->name);
  36        printf("Board rev: 0x%02x CPLD ver: 0x%02x%02x, ",
  37               CPLD_READ(hw_ver), CPLD_READ(sw_maj_ver), CPLD_READ(sw_min_ver));
  38
  39        sw = CPLD_READ(vbank);
  40        sw = sw & CPLD_BANK_SEL_MASK;
  41
  42        if (sw <= 7)
  43                printf("vBank: %d\n", sw);
  44        else
  45                printf("Unsupported Bank=%x\n", sw);
  46
  47        puts("SERDES Reference Clocks:\n");
  48        printf("       SERDES1=100MHz SERDES2=156.25MHz\n"
  49               "       SERDES3=100MHz SERDES4=100MHz\n");
  50
  51        return 0;
  52}
  53
  54int board_early_init_r(void)
  55{
  56        const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
  57        int flash_esel = find_tlb_idx((void *)flashbase, 1);
  58
  59        /*
  60         * Remap Boot flash + PROMJET region to caching-inhibited
  61         * so that flash can be erased properly.
  62         */
  63
  64        /* Flush d-cache and invalidate i-cache of any FLASH data */
  65        flush_dcache();
  66        invalidate_icache();
  67
  68        if (flash_esel == -1) {
  69                /* very unlikely unless something is messed up */
  70                puts("Error: Could not find TLB for FLASH BASE\n");
  71                flash_esel = 2; /* give our best effort to continue */
  72        } else {
  73                /* invalidate existing TLB entry for flash + promjet */
  74                disable_tlb(flash_esel);
  75        }
  76
  77        set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
  78                MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  79                0, flash_esel, BOOKE_PAGESZ_256M, 1);
  80
  81        /*
  82         * Adjust core voltage according to voltage ID
  83         * This function changes I2C mux to channel 2.
  84        */
  85        if (adjust_vdd(0))
  86                printf("Warning: Adjusting core voltage failed.\n");
  87
  88        return 0;
  89}
  90
  91int misc_init_r(void)
  92{
  93        return 0;
  94}
  95
  96int ft_board_setup(void *blob, struct bd_info *bd)
  97{
  98        phys_addr_t base;
  99        phys_size_t size;
 100
 101        ft_cpu_setup(blob, bd);
 102
 103        base = env_get_bootm_low();
 104        size = env_get_bootm_size();
 105
 106        fdt_fixup_memory(blob, (u64)base, (u64)size);
 107
 108#ifdef CONFIG_PCI
 109        pci_of_setup(blob, bd);
 110#endif
 111
 112        fdt_fixup_liodn(blob);
 113        fsl_fdt_fixup_dr_usb(blob, bd);
 114
 115#ifdef CONFIG_SYS_DPAA_FMAN
 116#ifndef CONFIG_DM_ETH
 117        fdt_fixup_fman_ethernet(blob);
 118#endif
 119        fdt_fixup_board_enet(blob);
 120#endif
 121
 122        return 0;
 123}
 124
 125/*
 126 * This function is called by bdinfo to print detail board information.
 127 * As an exmaple for future board, we organize the messages into
 128 * several sections. If applicable, the message is in the format of
 129 * <name>      = <value>
 130 * It should aligned with normal output of bdinfo command.
 131 *
 132 * Voltage: Core, DDR and another configurable voltages
 133 * Clock  : Critical clocks which are not printed already
 134 * RCW    : RCW source if not printed already
 135 * Misc   : Other important information not in above catagories
 136 */
 137void board_detail(void)
 138{
 139        int rcwsrc;
 140
 141        /* RCW section SW3[4] */
 142        rcwsrc = 0x0;
 143        puts("RCW source  = ");
 144        switch (rcwsrc & 0x1) {
 145        case 0x1:
 146                puts("SDHC/eMMC\n");
 147                break;
 148        default:
 149                puts("I2C normal addressing\n");
 150                break;
 151        }
 152}
 153