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 <asm/global_data.h>
  15#include <linux/compiler.h>
  16#include <asm/mmu.h>
  17#include <asm/processor.h>
  18#include <asm/cache.h>
  19#include <asm/immap_85xx.h>
  20#include <asm/fsl_law.h>
  21#include <asm/fsl_serdes.h>
  22#include <asm/fsl_liodn.h>
  23#include <fm_eth.h>
  24
  25#include "t4rdb.h"
  26#include "cpld.h"
  27#include "../common/vid.h"
  28
  29DECLARE_GLOBAL_DATA_PTR;
  30
  31int checkboard(void)
  32{
  33        struct cpu_type *cpu = gd->arch.cpu;
  34        u8 sw;
  35
  36        printf("Board: %sRDB, ", cpu->name);
  37        printf("Board rev: 0x%02x CPLD ver: 0x%02x%02x, ",
  38               CPLD_READ(hw_ver), CPLD_READ(sw_maj_ver), CPLD_READ(sw_min_ver));
  39
  40        sw = CPLD_READ(vbank);
  41        sw = sw & CPLD_BANK_SEL_MASK;
  42
  43        if (sw <= 7)
  44                printf("vBank: %d\n", sw);
  45        else
  46                printf("Unsupported Bank=%x\n", sw);
  47
  48        puts("SERDES Reference Clocks:\n");
  49        printf("       SERDES1=100MHz SERDES2=156.25MHz\n"
  50               "       SERDES3=100MHz SERDES4=100MHz\n");
  51
  52        return 0;
  53}
  54
  55int board_early_init_r(void)
  56{
  57        const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
  58        int flash_esel = find_tlb_idx((void *)flashbase, 1);
  59
  60        /*
  61         * Remap Boot flash + PROMJET region to caching-inhibited
  62         * so that flash can be erased properly.
  63         */
  64
  65        /* Flush d-cache and invalidate i-cache of any FLASH data */
  66        flush_dcache();
  67        invalidate_icache();
  68
  69        if (flash_esel == -1) {
  70                /* very unlikely unless something is messed up */
  71                puts("Error: Could not find TLB for FLASH BASE\n");
  72                flash_esel = 2; /* give our best effort to continue */
  73        } else {
  74                /* invalidate existing TLB entry for flash + promjet */
  75                disable_tlb(flash_esel);
  76        }
  77
  78        set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
  79                MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  80                0, flash_esel, BOOKE_PAGESZ_256M, 1);
  81
  82        /*
  83         * Adjust core voltage according to voltage ID
  84         * This function changes I2C mux to channel 2.
  85        */
  86        if (adjust_vdd(0))
  87                printf("Warning: Adjusting core voltage failed.\n");
  88
  89        return 0;
  90}
  91
  92int misc_init_r(void)
  93{
  94        return 0;
  95}
  96
  97int ft_board_setup(void *blob, struct bd_info *bd)
  98{
  99        phys_addr_t base;
 100        phys_size_t size;
 101
 102        ft_cpu_setup(blob, bd);
 103
 104        base = env_get_bootm_low();
 105        size = env_get_bootm_size();
 106
 107        fdt_fixup_memory(blob, (u64)base, (u64)size);
 108
 109#ifdef CONFIG_PCI
 110        pci_of_setup(blob, bd);
 111#endif
 112
 113        fdt_fixup_liodn(blob);
 114        fsl_fdt_fixup_dr_usb(blob, bd);
 115
 116#ifdef CONFIG_SYS_DPAA_FMAN
 117#ifndef CONFIG_DM_ETH
 118        fdt_fixup_fman_ethernet(blob);
 119#endif
 120        fdt_fixup_board_enet(blob);
 121#endif
 122
 123        return 0;
 124}
 125
 126/*
 127 * This function is called by bdinfo to print detail board information.
 128 * As an exmaple for future board, we organize the messages into
 129 * several sections. If applicable, the message is in the format of
 130 * <name>      = <value>
 131 * It should aligned with normal output of bdinfo command.
 132 *
 133 * Voltage: Core, DDR and another configurable voltages
 134 * Clock  : Critical clocks which are not printed already
 135 * RCW    : RCW source if not printed already
 136 * Misc   : Other important information not in above catagories
 137 */
 138void board_detail(void)
 139{
 140        int rcwsrc;
 141
 142        /* RCW section SW3[4] */
 143        rcwsrc = 0x0;
 144        puts("RCW source  = ");
 145        switch (rcwsrc & 0x1) {
 146        case 0x1:
 147                puts("SDHC/eMMC\n");
 148                break;
 149        default:
 150                puts("I2C normal addressing\n");
 151                break;
 152        }
 153}
 154
 155ulong *cs4340_get_fw_addr(void)
 156{
 157        ulong cortina_fw_addr = CONFIG_CORTINA_FW_ADDR;
 158
 159#ifdef CONFIG_SYS_CORTINA_FW_IN_NOR
 160        u8 sw;
 161
 162        sw = CPLD_READ(vbank);
 163        sw = sw & CPLD_BANK_SEL_MASK;
 164
 165        if (sw == 0)
 166                cortina_fw_addr = CORTINA_FW_ADDR_IFCNOR;
 167        else if (sw == 4)
 168                cortina_fw_addr = CORTINA_FW_ADDR_IFCNOR_ALTBANK;
 169#endif
 170
 171        return (ulong *)cortina_fw_addr;
 172}
 173