1 /* 2 * Copyright (C) 2011 Ilya Yanok, Emcraft Systems 3 * 4 * Based on ti/evm/evm.c 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #include <common.h> 10 #include <asm/io.h> 11 #include <asm/arch/mem.h> 12 #include <asm/arch/mmc_host_def.h> 13 #include <asm/arch/mux.h> 14 #include <asm/arch/sys_proto.h> 15 #include <asm/mach-types.h> 16 #include <asm/gpio.h> 17 #include <asm/omap_gpio.h> 18 #include <asm/arch/dss.h> 19 #include <asm/arch/clock.h> 20 #include <errno.h> 21 #include <i2c.h> 22 #ifdef CONFIG_USB_EHCI 23 #include <usb.h> 24 #include <asm/ehci-omap.h> 25 #endif 26 #include "mcx.h" 27 28 DECLARE_GLOBAL_DATA_PTR; 29 30 #define HOT_WATER_BUTTON 42 31 #define LCD_OUTPUT 55 32 33 /* Address of the framebuffer in RAM. */ 34 #define FB_START_ADDRESS 0x88000000 35 36 #ifdef CONFIG_USB_EHCI 37 static struct omap_usbhs_board_data usbhs_bdata = { 38 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, 39 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, 40 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, 41 }; 42 43 int ehci_hcd_init(int index, enum usb_init_type init, 44 struct ehci_hccr **hccr, struct ehci_hcor **hcor) 45 { 46 return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); 47 } 48 49 int ehci_hcd_stop(int index) 50 { 51 return omap_ehci_hcd_stop(); 52 } 53 #endif 54 55 /* 56 * Routine: board_init 57 * Description: Early hardware init. 58 */ 59 int board_init(void) 60 { 61 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ 62 /* boot param addr */ 63 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); 64 65 gpio_direction_output(LCD_OUTPUT, 0); 66 67 return 0; 68 } 69 70 #ifdef CONFIG_BOARD_LATE_INIT 71 int board_late_init(void) 72 { 73 if (gpio_request(HOT_WATER_BUTTON, "hot-water-button") < 0) { 74 puts("Failed to get hot-water-button pin\n"); 75 return -ENODEV; 76 } 77 gpio_direction_input(HOT_WATER_BUTTON); 78 79 /* 80 * if hot-water-button is pressed 81 * change bootcmd 82 */ 83 if (gpio_get_value(HOT_WATER_BUTTON)) 84 return 0; 85 86 setenv("bootcmd", "run swupdate"); 87 88 return 0; 89 } 90 #endif 91 92 /* 93 * Routine: set_muxconf_regs 94 * Description: Setting up the configuration Mux registers specific to the 95 * hardware. Many pins need to be moved from protect to primary 96 * mode. 97 */ 98 void set_muxconf_regs(void) 99 { 100 MUX_MCX(); 101 } 102 103 #if defined(CONFIG_MMC_OMAP_HS) 104 int board_mmc_init(bd_t *bis) 105 { 106 return omap_mmc_init(0, 0, 0, -1, -1); 107 } 108 #endif 109 110 #if defined(CONFIG_VIDEO) && !defined(CONFIG_SPL_BUILD) 111 112 static struct panel_config lcd_cfg = { 113 .timing_h = PANEL_TIMING_H(40, 40, 48), 114 .timing_v = PANEL_TIMING_V(29, 13, 3), 115 .pol_freq = 0x00003000, /* Pol Freq */ 116 .divisor = 0x0001000E, 117 .panel_type = 0x01, /* TFT */ 118 .data_lines = 0x03, /* 24 Bit RGB */ 119 .load_mode = 0x02, /* Frame Mode */ 120 .panel_color = 0, 121 .lcd_size = PANEL_LCD_SIZE(800, 480), 122 .gfx_format = GFXFORMAT_RGB24_UNPACKED, 123 }; 124 125 int board_video_init(void) 126 { 127 struct prcm *prcm_base = (struct prcm *)PRCM_BASE; 128 void *fb; 129 130 fb = (void *)FB_START_ADDRESS; 131 132 lcd_cfg.frame_buffer = fb; 133 134 setbits_le32(&prcm_base->fclken_dss, FCK_DSS_ON); 135 setbits_le32(&prcm_base->iclken_dss, ICK_DSS_ON); 136 137 omap3_dss_panel_config(&lcd_cfg); 138 omap3_dss_enable(); 139 140 return 0; 141 } 142 #endif 143