LXR uboot/board/broadcom/bcm28155_ap/bcm28155

   1/*
   2 * Copyright 2013 Broadcom Corporation.
   3 *
   4 * SPDX-License-Identifier:      GPL-2.0+
   5 */
   6
   7#include <common.h>
   8#include <asm/io.h>
   9#include <asm/mach-types.h>
  10#include <mmc.h>
  11#include <asm/kona-common/kona_sdhci.h>
  12#include <asm/kona-common/clk.h>
  13#include <asm/arch/sysmap.h>
  14
  15#include <usb.h>
  16#include <usb/dwc2_udc.h>
  17#include <g_dnl.h>
  18
  19#define SECWATCHDOG_SDOGCR_OFFSET       0x00000000
  20#define SECWATCHDOG_SDOGCR_EN_SHIFT     27
  21#define SECWATCHDOG_SDOGCR_SRSTEN_SHIFT 26
  22#define SECWATCHDOG_SDOGCR_CLKS_SHIFT   20
  23#define SECWATCHDOG_SDOGCR_LD_SHIFT     0
  24
  25#ifndef CONFIG_USB_SERIALNO
  26#define CONFIG_USB_SERIALNO "1234567890"
  27#endif
  28
  29DECLARE_GLOBAL_DATA_PTR;
  30
  31/*
  32 * board_init - early hardware init
  33 */
  34int board_init(void)
  35{
  36        printf("Relocation Offset is: %08lx\n", gd->reloc_off);
  37
  38        /* adress of boot parameters */
  39        gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
  40
  41        clk_init();
  42
  43        return 0;
  44}
  45
  46/*
  47 * misc_init_r - miscellaneous platform dependent initializations
  48 */
  49int misc_init_r(void)
  50{
  51        /* Disable watchdog reset - watchdog unused */
  52        writel((0 << SECWATCHDOG_SDOGCR_EN_SHIFT) |
  53               (0 << SECWATCHDOG_SDOGCR_SRSTEN_SHIFT) |
  54               (4 << SECWATCHDOG_SDOGCR_CLKS_SHIFT) |
  55               (0x5a0 << SECWATCHDOG_SDOGCR_LD_SHIFT),
  56               (SECWD_BASE_ADDR + SECWATCHDOG_SDOGCR_OFFSET));
  57
  58        return 0;
  59}
  60
  61/*
  62 * dram_init - sets uboots idea of sdram size
  63 */
  64int dram_init(void)
  65{
  66        gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
  67                                    CONFIG_SYS_SDRAM_SIZE);
  68        return 0;
  69}
  70
  71/* This is called after dram_init() so use get_ram_size result */
  72void dram_init_banksize(void)
  73{
  74        gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
  75        gd->bd->bi_dram[0].size = gd->ram_size;
  76}
  77
  78#ifdef CONFIG_KONA_SDHCI
  79/*
  80 * mmc_init - Initializes mmc
  81 */
  82int board_mmc_init(bd_t *bis)
  83{
  84        int ret = 0;
  85
  86        /* Register eMMC - SDIO2 */
  87        ret = kona_sdhci_init(1, 400000, 0);
  88        if (ret)
  89                return ret;
  90
  91        /* Register SD Card - SDIO4 kona_mmc_init assumes 0 based index */
  92        ret = kona_sdhci_init(3, 400000, 0);
  93        return ret;
  94}
  95#endif
  96
  97#ifdef CONFIG_USB_GADGET
  98static struct dwc2_plat_otg_data bcm_otg_data = {
  99        .regs_otg       = HSOTG_BASE_ADDR
 100};
 101
 102int board_usb_init(int index, enum usb_init_type init)
 103{
 104        debug("%s: performing dwc2_udc_probe\n", __func__);
 105        return dwc2_udc_probe(&bcm_otg_data);
 106}
 107
 108int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
 109{
 110        debug("%s\n", __func__);
 111        if (!getenv("serial#"))
 112                g_dnl_set_serialnumber(CONFIG_USB_SERIALNO);
 113        return 0;
 114}
 115
 116int g_dnl_get_board_bcd_device_number(int gcnum)
 117{
 118        debug("%s\n", __func__);
 119        return 1;
 120}
 121
 122int board_usb_cleanup(int index, enum usb_init_type init)
 123{
 124        debug("%s\n", __func__);
 125        return 0;
 126}
 127#endif
 128