143 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			143 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright (C) 2011 Ilya Yanok, Emcraft Systems
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|  *
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|  * Based on ti/evm/evm.c
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|  *
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|  * SPDX-License-Identifier:	GPL-2.0+
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|  */
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| 
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| #include <common.h>
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| #include <asm/io.h>
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| #include <asm/arch/mem.h>
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| #include <asm/arch/mmc_host_def.h>
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| #include <asm/arch/mux.h>
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| #include <asm/arch/sys_proto.h>
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| #include <asm/mach-types.h>
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| #include <asm/gpio.h>
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| #include <asm/omap_gpio.h>
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| #include <asm/arch/dss.h>
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| #include <asm/arch/clock.h>
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| #include "errno.h"
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| #include <i2c.h>
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| #ifdef CONFIG_USB_EHCI
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| #include <usb.h>
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| #include <asm/ehci-omap.h>
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| #endif
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| #include "mcx.h"
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| #define HOT_WATER_BUTTON	42
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| #define LCD_OUTPUT		55
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| 
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| /* Address of the framebuffer in RAM. */
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| #define FB_START_ADDRESS 0x88000000
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| 
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| #ifdef CONFIG_USB_EHCI
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| static struct omap_usbhs_board_data usbhs_bdata = {
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| 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
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| 	.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
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| 	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
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| };
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| 
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| int ehci_hcd_init(int index, enum usb_init_type init,
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| 		struct ehci_hccr **hccr, struct ehci_hcor **hcor)
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| {
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| 	return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
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| }
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| 
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| int ehci_hcd_stop(int index)
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| {
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| 	return omap_ehci_hcd_stop();
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| }
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| #endif
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| 
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| /*
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|  * Routine: board_init
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|  * Description: Early hardware init.
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|  */
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| int board_init(void)
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| {
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| 	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
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| 	/* boot param addr */
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| 	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
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| 
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| 	gpio_direction_output(LCD_OUTPUT, 0);
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| 
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| 	return 0;
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| }
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| 
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| #ifdef CONFIG_BOARD_LATE_INIT
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| int board_late_init(void)
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| {
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| 	if (gpio_request(HOT_WATER_BUTTON, "hot-water-button") < 0) {
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| 		puts("Failed to get hot-water-button pin\n");
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| 		return -ENODEV;
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| 	}
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| 	gpio_direction_input(HOT_WATER_BUTTON);
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| 
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| 	/*
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| 	 * if hot-water-button is pressed
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| 	 * change bootcmd
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| 	 */
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| 	if (gpio_get_value(HOT_WATER_BUTTON))
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| 		return 0;
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| 
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| 	setenv("bootcmd", "run swupdate");
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| 
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| 	return 0;
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| }
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| #endif
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| 
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| /*
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|  * Routine: set_muxconf_regs
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|  * Description: Setting up the configuration Mux registers specific to the
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|  *		hardware. Many pins need to be moved from protect to primary
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|  *		mode.
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|  */
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| void set_muxconf_regs(void)
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| {
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| 	MUX_MCX();
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| }
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| 
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| #if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD)
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| int board_mmc_init(bd_t *bis)
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| {
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| 	return omap_mmc_init(0, 0, 0, -1, -1);
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| }
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| #endif
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| 
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| #if defined(CONFIG_VIDEO) && !defined(CONFIG_SPL_BUILD)
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| 
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| static struct panel_config lcd_cfg = {
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| 	.timing_h       = PANEL_TIMING_H(40, 40, 48),
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| 	.timing_v       = PANEL_TIMING_V(29, 13, 3),
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| 	.pol_freq       = 0x00003000, /* Pol Freq */
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| 	.divisor        = 0x0001000E,
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| 	.panel_type     = 0x01, /* TFT */
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| 	.data_lines     = 0x03, /* 24 Bit RGB */
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| 	.load_mode      = 0x02, /* Frame Mode */
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| 	.panel_color	= 0,
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| 	.lcd_size	= PANEL_LCD_SIZE(800, 480),
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| 	.gfx_format	= GFXFORMAT_RGB24_UNPACKED,
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| };
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| 
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| int board_video_init(void)
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| {
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| 	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
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| 	void *fb;
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| 
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| 	fb = (void *)FB_START_ADDRESS;
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| 
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| 	lcd_cfg.frame_buffer = fb;
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| 
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| 	setbits_le32(&prcm_base->fclken_dss, FCK_DSS_ON);
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| 	setbits_le32(&prcm_base->iclken_dss, ICK_DSS_ON);
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| 
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| 	omap3_dss_panel_config(&lcd_cfg);
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| 	omap3_dss_enable();
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| 
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| 	return 0;
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| }
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| #endif
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