LXR uboot/board/work-microwave/work_92105/work

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * WORK Microwave work_92105 board support
   4 *
   5 * (C) Copyright 2014  DENX Software Engineering GmbH
   6 * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr>
   7 */
   8
   9#include <common.h>
  10#include <init.h>
  11#include <asm/global_data.h>
  12#include <asm/io.h>
  13#include <asm/arch/sys_proto.h>
  14#include <asm/arch/cpu.h>
  15#include <asm/arch/clk.h>
  16#include <asm/arch/emc.h>
  17#include <asm/arch/wdt.h>
  18#include <asm/gpio.h>
  19#include <spl.h>
  20#include <linux/delay.h>
  21#include "work_92105_display.h"
  22
  23DECLARE_GLOBAL_DATA_PTR;
  24
  25static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
  26static struct wdt_regs  *wdt = (struct wdt_regs *)WDT_BASE;
  27
  28void reset_periph(void)
  29{
  30        setbits_le32(&clk->timclk_ctrl, CLK_TIMCLK_WATCHDOG);
  31        writel(WDTIM_MCTRL_RESFRC1, &wdt->mctrl);
  32        udelay(150);
  33        writel(0, &wdt->mctrl);
  34        clrbits_le32(&clk->timclk_ctrl, CLK_TIMCLK_WATCHDOG);
  35}
  36
  37int board_early_init_f(void)
  38{
  39        /* initialize serial port for console */
  40        lpc32xx_uart_init(CONFIG_CONS_INDEX);
  41        /* enable I2C, SSP, MAC, NAND */
  42        lpc32xx_i2c_init(1); /* only I2C1 has devices, I2C2 has none */
  43        lpc32xx_ssp_init();
  44        lpc32xx_mac_init();
  45        lpc32xx_mlc_nand_init();
  46        /* Display must wait until after relocation and devices init */
  47        return 0;
  48}
  49
  50#define GPO_19 115
  51
  52int board_early_init_r(void)
  53{
  54        /* Set NAND !WP to 1 through GPO_19 */
  55        gpio_request(GPO_19, "NAND_nWP");
  56        gpio_direction_output(GPO_19, 1);
  57
  58#ifdef CONFIG_DEPRECATED
  59        /* initialize display */
  60        work_92105_display_init();
  61#endif
  62
  63        return 0;
  64}
  65
  66int board_init(void)
  67{
  68        reset_periph();
  69        /* adress of boot parameters */
  70        gd->bd->bi_boot_params  = CFG_SYS_SDRAM_BASE + 0x100;
  71
  72        return 0;
  73}
  74
  75int dram_init(void)
  76{
  77        gd->ram_size = get_ram_size((void *)CFG_SYS_SDRAM_BASE,
  78                                    CFG_SYS_SDRAM_SIZE);
  79
  80        return 0;
  81}
  82