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 27 DECLARE_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 36 static 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 42 int 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 48 int 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 */ 58 int 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 70 int 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 */ 97 void set_muxconf_regs(void) 98 { 99 MUX_MCX(); 100 } 101 102 #if defined(CONFIG_MMC_OMAP_HS) 103 int 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) 110 111 static 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 }; 123 124 int 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