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

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