LXR uboot/board/htkw/mcx/mcx.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2011 Ilya Yanok, Emcraft Systems
   4 *
   5 * Based on ti/evm/evm.c
   6 */
   7
   8#include <common.h>
   9#include <asm/io.h>
  10#include <asm/arch/mem.h>
  11#include <asm/arch/mmc_host_def.h>
  12#include <asm/arch/mux.h>
  13#include <asm/arch/sys_proto.h>
  14#include <asm/mach-types.h>
  15#include <asm/gpio.h>
  16#include <asm/omap_gpio.h>
  17#include <asm/arch/dss.h>
  18#include <asm/arch/clock.h>
  19#include <errno.h>
  20#include <i2c.h>
  21#ifdef CONFIG_USB_EHCI_HCD
  22#include <usb.h>
  23#include <asm/ehci-omap.h>
  24#endif
  25#include "mcx.h"
  26
  27DECLARE_GLOBAL_DATA_PTR;
  28
  29#define HOT_WATER_BUTTON        42
  30#define LCD_OUTPUT              55
  31
  32/* Address of the framebuffer in RAM. */
  33#define FB_START_ADDRESS 0x88000000
  34
  35#ifdef CONFIG_USB_EHCI_HCD
  36static struct omap_usbhs_board_data usbhs_bdata = {
  37        .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
  38        .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
  39        .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
  40};
  41
  42int ehci_hcd_init(int index, enum usb_init_type init,
  43                struct ehci_hccr **hccr, struct ehci_hcor **hcor)
  44{
  45        return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
  46}
  47
  48int ehci_hcd_stop(int index)
  49{
  50        return omap_ehci_hcd_stop();
  51}
  52#endif
  53
  54/*
  55 * Routine: board_init
  56 * Description: Early hardware init.
  57 */
  58int board_init(void)
  59{
  60        gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
  61        /* boot param addr */
  62        gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
  63
  64        gpio_direction_output(LCD_OUTPUT, 0);
  65
  66        return 0;
  67}
  68
  69#ifdef CONFIG_BOARD_LATE_INIT
  70int board_late_init(void)
  71{
  72        if (gpio_request(HOT_WATER_BUTTON, "hot-water-button") < 0) {
  73                puts("Failed to get hot-water-button pin\n");
  74                return -ENODEV;
  75        }
  76        gpio_direction_input(HOT_WATER_BUTTON);
  77
  78        /*
  79         * if hot-water-button is pressed
  80         * change bootcmd
  81         */
  82        if (gpio_get_value(HOT_WATER_BUTTON))
  83                return 0;
  84
  85        env_set("bootcmd", "run swupdate");
  86
  87        return 0;
  88}
  89#endif
  90
  91/*
  92 * Routine: set_muxconf_regs
  93 * Description: Setting up the configuration Mux registers specific to the
  94 *              hardware. Many pins need to be moved from protect to primary
  95 *              mode.
  96 */
  97void set_muxconf_regs(void)
  98{
  99        MUX_MCX();
 100}
 101
 102#if defined(CONFIG_MMC_OMAP_HS)
 103int board_mmc_init(bd_t *bis)
 104{
 105        return omap_mmc_init(0, 0, 0, -1, -1);
 106}
 107#endif
 108
 109#if defined(CONFIG_VIDEO) && !defined(CONFIG_SPL_BUILD)
 110
 111static struct panel_config lcd_cfg = {
 112        .timing_h       = PANEL_TIMING_H(40, 40, 48),
 113        .timing_v       = PANEL_TIMING_V(29, 13, 3),
 114        .pol_freq       = 0x00003000, /* Pol Freq */
 115        .divisor        = 0x0001000E,
 116        .panel_type     = 0x01, /* TFT */
 117        .data_lines     = 0x03, /* 24 Bit RGB */
 118        .load_mode      = 0x02, /* Frame Mode */
 119        .panel_color    = 0,
 120        .lcd_size       = PANEL_LCD_SIZE(800, 480),
 121        .gfx_format     = GFXFORMAT_RGB24_UNPACKED,
 122};
 123
 124int board_video_init(void)
 125{
 126        struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
 127        void *fb;
 128
 129        fb = (void *)FB_START_ADDRESS;
 130
 131        lcd_cfg.frame_buffer = fb;
 132
 133        setbits_le32(&prcm_base->fclken_dss, FCK_DSS_ON);
 134        setbits_le32(&prcm_base->iclken_dss, ICK_DSS_ON);
 135
 136        omap3_dss_panel_config(&lcd_cfg);
 137        omap3_dss_enable();
 138
 139        return 0;
 140}
 141#endif
 142