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

   1/*
   2 * WORK Microwave work_92105 board support
   3 *
   4 * (C) Copyright 2014  DENX Software Engineering GmbH
   5 * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr>
   6 *
   7 * SPDX-License-Identifier:     GPL-2.0+
   8 */
   9
  10#include <common.h>
  11#include <asm/io.h>
  12#include <asm/arch/sys_proto.h>
  13#include <asm/arch/cpu.h>
  14#include <asm/arch/clk.h>
  15#include <asm/arch/emc.h>
  16#include <asm/arch/wdt.h>
  17#include <asm/gpio.h>
  18#include <spl.h>
  19#include "work_92105_display.h"
  20
  21DECLARE_GLOBAL_DATA_PTR;
  22
  23static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
  24static struct wdt_regs  *wdt = (struct wdt_regs *)WDT_BASE;
  25
  26void reset_periph(void)
  27{
  28        setbits_le32(&clk->timclk_ctrl, CLK_TIMCLK_WATCHDOG);
  29        writel(WDTIM_MCTRL_RESFRC1, &wdt->mctrl);
  30        udelay(150);
  31        writel(0, &wdt->mctrl);
  32        clrbits_le32(&clk->timclk_ctrl, CLK_TIMCLK_WATCHDOG);
  33}
  34
  35int board_early_init_f(void)
  36{
  37        /* initialize serial port for console */
  38        lpc32xx_uart_init(CONFIG_SYS_LPC32XX_UART);
  39        /* enable I2C, SSP, MAC, NAND */
  40        lpc32xx_i2c_init(1); /* only I2C1 has devices, I2C2 has none */
  41        lpc32xx_ssp_init();
  42        lpc32xx_mac_init();
  43        lpc32xx_mlc_nand_init();
  44        /* Display must wait until after relocation and devices init */
  45        return 0;
  46}
  47
  48#define GPO_19 115
  49
  50int board_early_init_r(void)
  51{
  52        /* Set NAND !WP to 1 through GPO_19 */
  53        gpio_request(GPO_19, "NAND_nWP");
  54        gpio_direction_output(GPO_19, 1);
  55
  56        /* initialize display */
  57        work_92105_display_init();
  58
  59        return 0;
  60}
  61
  62int board_init(void)
  63{
  64        reset_periph();
  65        /* adress of boot parameters */
  66        gd->bd->bi_boot_params  = CONFIG_SYS_SDRAM_BASE + 0x100;
  67
  68        return 0;
  69}
  70
  71int dram_init(void)
  72{
  73        gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
  74                                    CONFIG_SYS_SDRAM_SIZE);
  75
  76        return 0;
  77}
  78