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				https://github.com/smaeul/u-boot.git
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	During very early prototype-phase we did boot the AM335x boards initially from CPSW-EMAC. Now we don't need this feature anymore. So we drop it to save MLO-space and having therefore a more quickly boot. Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at> Reviewed-by: Tom Rini <trini@konsulko.com>
		
			
				
	
	
		
			697 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			697 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * common.c
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|  *
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|  * common board functions for B&R boards
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|  *
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|  * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at>
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|  * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
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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 <version.h>
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| #include <common.h>
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| #include <errno.h>
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| #include <asm/arch/cpu.h>
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| #include <asm/arch/hardware.h>
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| #include <asm/arch/omap.h>
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| #include <asm/arch/clock.h>
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| #include <asm/arch/gpio.h>
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| #include <asm/arch/sys_proto.h>
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| #include <asm/arch/mmc_host_def.h>
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| #include <asm/io.h>
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| #include <asm/gpio.h>
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| #include <i2c.h>
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| #include <miiphy.h>
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| #include <cpsw.h>
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| #include <power/tps65217.h>
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| #include <lcd.h>
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| #include <fs.h>
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| #ifdef CONFIG_USE_FDT
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|   #include <fdt_support.h>
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| #endif
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| #include "bur_common.h"
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| #include "../../../drivers/video/am335x-fb.h"
 | |
| #include <nand.h>
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| #include <fdt_simplefb.h>
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| 
 | |
| static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
 | |
| #ifdef CONFIG_USE_FDT
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|   #define FDTPROP(b, c) fdt_getprop_u32_default(gd->fdt_blob, b, c, ~0UL)
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|   #define PATHTIM "/panel/display-timings/default"
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|   #define PATHINF "/panel/panel-info"
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| #endif
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| /* --------------------------------------------------------------------------*/
 | |
| #if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
 | |
| 	!defined(CONFIG_SPL_BUILD)
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| void lcdbacklight(int on)
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| {
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| #ifdef CONFIG_USE_FDT
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| 	if (gd->fdt_blob == NULL) {
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| 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
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| 		return;
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| 	}
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| 	unsigned int driver = FDTPROP(PATHINF, "brightdrv");
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| 	unsigned int bright = FDTPROP(PATHINF, "brightdef");
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| 	unsigned int pwmfrq = FDTPROP(PATHINF, "brightfdim");
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| #else
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| 	unsigned int driver = getenv_ulong("ds1_bright_drv", 16, 0UL);
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| 	unsigned int bright = getenv_ulong("ds1_bright_def", 10, 50);
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| 	unsigned int pwmfrq = getenv_ulong("ds1_pwmfreq", 10, ~0UL);
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| #endif
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| 	unsigned int tmp;
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| 	struct gptimer *timerhw;
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| 
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| 	if (on)
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| 		bright = bright != ~0UL ? bright : 50;
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| 	else
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| 		bright = 0;
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| 
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| 	switch (driver) {
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| 	case 2:
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| 		timerhw = (struct gptimer *)DM_TIMER5_BASE;
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| 		break;
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| 	default:
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| 		timerhw = (struct gptimer *)DM_TIMER6_BASE;
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| 	}
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| 
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| 	switch (driver) {
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| 	case 0:	/* PMIC LED-Driver */
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| 		/* brightness level */
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| 		tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
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| 				   TPS65217_WLEDCTRL2, bright, 0xFF);
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| 		/* current sink */
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| 		tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
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| 				   TPS65217_WLEDCTRL1,
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| 				   bright != 0 ? 0x0A : 0x02,
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| 				   0xFF);
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| 		break;
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| 	case 1:
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| 	case 2: /* PWM using timer */
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| 		if (pwmfrq != ~0UL) {
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| 			timerhw->tiocp_cfg = TCFG_RESET;
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| 			udelay(10);
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| 			while (timerhw->tiocp_cfg & TCFG_RESET)
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| 				;
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| 			tmp = ~0UL-(V_OSCK/pwmfrq);	/* bottom value */
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| 			timerhw->tldr = tmp;
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| 			timerhw->tcrr = tmp;
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| 			tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright;
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| 			timerhw->tmar = tmp;
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| 			timerhw->tclr = (TCLR_PT | (2 << TCLR_TRG_SHIFT) |
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| 					TCLR_CE | TCLR_AR | TCLR_ST);
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| 		} else {
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| 			puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n");
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| 		}
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| 		break;
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| 	default:
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| 		puts("no suitable backlightdriver in env/dtb!\n");
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| 		break;
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| 	}
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| }
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| 
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| int load_lcdtiming(struct am335x_lcdpanel *panel)
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| {
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| 	struct am335x_lcdpanel pnltmp;
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| #ifdef CONFIG_USE_FDT
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| 	u32 dtbprop;
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| 	char buf[32];
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| 	const char *nodep = 0;
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| 	int nodeoff;
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| 
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| 	if (gd->fdt_blob == NULL) {
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| 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
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| 		return -1;
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| 	}
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| 	memcpy(&pnltmp, (void *)panel, sizeof(struct am335x_lcdpanel));
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| 
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| 	pnltmp.hactive = FDTPROP(PATHTIM, "hactive");
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| 	pnltmp.vactive = FDTPROP(PATHTIM, "vactive");
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| 	pnltmp.bpp = FDTPROP(PATHINF, "bpp");
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| 	pnltmp.hfp = FDTPROP(PATHTIM, "hfront-porch");
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| 	pnltmp.hbp = FDTPROP(PATHTIM, "hback-porch");
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| 	pnltmp.hsw = FDTPROP(PATHTIM, "hsync-len");
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| 	pnltmp.vfp = FDTPROP(PATHTIM, "vfront-porch");
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| 	pnltmp.vbp = FDTPROP(PATHTIM, "vback-porch");
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| 	pnltmp.vsw = FDTPROP(PATHTIM, "vsync-len");
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| 	pnltmp.pup_delay = FDTPROP(PATHTIM, "pupdelay");
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| 	pnltmp.pon_delay = FDTPROP(PATHTIM, "pondelay");
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| 
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| 	/* calc. proper clk-divisor */
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| 	dtbprop = FDTPROP(PATHTIM, "clock-frequency");
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| 	if (dtbprop != ~0UL)
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| 		pnltmp.pxl_clk_div = 192000000 / dtbprop;
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| 	else
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| 		pnltmp.pxl_clk_div = ~0UL;
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| 
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| 	/* check polarity of control-signals */
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| 	dtbprop = FDTPROP(PATHTIM, "hsync-active");
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| 	if (dtbprop == 0)
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| 		pnltmp.pol |= HSYNC_INVERT;
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| 	dtbprop = FDTPROP(PATHTIM, "vsync-active");
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| 	if (dtbprop == 0)
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| 		pnltmp.pol |= VSYNC_INVERT;
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| 	dtbprop = FDTPROP(PATHINF, "sync-ctrl");
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| 	if (dtbprop == 1)
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| 		pnltmp.pol |= HSVS_CONTROL;
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| 	dtbprop = FDTPROP(PATHINF, "sync-edge");
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| 	if (dtbprop == 1)
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| 		pnltmp.pol |= HSVS_RISEFALL;
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| 	dtbprop = FDTPROP(PATHTIM, "pixelclk-active");
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| 	if (dtbprop == 0)
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| 		pnltmp.pol |= PXCLK_INVERT;
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| 	dtbprop = FDTPROP(PATHTIM, "de-active");
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| 	if (dtbprop == 0)
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| 		pnltmp.pol |= DE_INVERT;
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| 
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| 	nodeoff = fdt_path_offset(gd->fdt_blob, "/factory-settings");
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| 	if (nodeoff >= 0) {
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| 		nodep = fdt_getprop(gd->fdt_blob, nodeoff, "rotation", NULL);
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| 		if (nodep != 0) {
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| 			if (strcmp(nodep, "cw") == 0)
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| 				panel_info.vl_rot = 1;
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| 			else if (strcmp(nodep, "ud") == 0)
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| 				panel_info.vl_rot = 2;
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| 			else if (strcmp(nodep, "ccw") == 0)
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| 				panel_info.vl_rot = 3;
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| 			else
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| 				panel_info.vl_rot = 0;
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| 		}
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| 	} else {
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| 		puts("no 'factory-settings / rotation' in dtb!\n");
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| 	}
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| 	snprintf(buf, sizeof(buf), "fbcon=rotate:%d", panel_info.vl_rot);
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| 	setenv("optargs_rot", buf);
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| #else
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| 	pnltmp.hactive = getenv_ulong("ds1_hactive", 10, ~0UL);
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| 	pnltmp.vactive = getenv_ulong("ds1_vactive", 10, ~0UL);
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| 	pnltmp.bpp = getenv_ulong("ds1_bpp", 10, ~0UL);
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| 	pnltmp.hfp = getenv_ulong("ds1_hfp", 10, ~0UL);
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| 	pnltmp.hbp = getenv_ulong("ds1_hbp", 10, ~0UL);
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| 	pnltmp.hsw = getenv_ulong("ds1_hsw", 10, ~0UL);
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| 	pnltmp.vfp = getenv_ulong("ds1_vfp", 10, ~0UL);
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| 	pnltmp.vbp = getenv_ulong("ds1_vbp", 10, ~0UL);
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| 	pnltmp.vsw = getenv_ulong("ds1_vsw", 10, ~0UL);
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| 	pnltmp.pxl_clk_div = getenv_ulong("ds1_pxlclkdiv", 10, ~0UL);
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| 	pnltmp.pol = getenv_ulong("ds1_pol", 16, ~0UL);
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| 	pnltmp.pup_delay = getenv_ulong("ds1_pupdelay", 10, ~0UL);
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| 	pnltmp.pon_delay = getenv_ulong("ds1_tondelay", 10, ~0UL);
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| 	panel_info.vl_rot = getenv_ulong("ds1_rotation", 10, 0);
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| #endif
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| 	if (
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| 	   ~0UL == (pnltmp.hactive) ||
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| 	   ~0UL == (pnltmp.vactive) ||
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| 	   ~0UL == (pnltmp.bpp) ||
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| 	   ~0UL == (pnltmp.hfp) ||
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| 	   ~0UL == (pnltmp.hbp) ||
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| 	   ~0UL == (pnltmp.hsw) ||
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| 	   ~0UL == (pnltmp.vfp) ||
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| 	   ~0UL == (pnltmp.vbp) ||
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| 	   ~0UL == (pnltmp.vsw) ||
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| 	   ~0UL == (pnltmp.pxl_clk_div) ||
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| 	   ~0UL == (pnltmp.pol) ||
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| 	   ~0UL == (pnltmp.pup_delay) ||
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| 	   ~0UL == (pnltmp.pon_delay)
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| 	   ) {
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| 		puts("lcd-settings in env/dtb incomplete!\n");
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| 		printf("display-timings:\n"
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| 			"================\n"
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| 			"hactive: %d\n"
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| 			"vactive: %d\n"
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| 			"bpp    : %d\n"
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| 			"hfp    : %d\n"
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| 			"hbp    : %d\n"
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| 			"hsw    : %d\n"
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| 			"vfp    : %d\n"
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| 			"vbp    : %d\n"
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| 			"vsw    : %d\n"
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| 			"pxlclk : %d\n"
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| 			"pol    : 0x%08x\n"
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| 			"pondly : %d\n",
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| 			pnltmp.hactive, pnltmp.vactive, pnltmp.bpp,
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| 			pnltmp.hfp, pnltmp.hbp, pnltmp.hsw,
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| 			pnltmp.vfp, pnltmp.vbp, pnltmp.vsw,
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| 			pnltmp.pxl_clk_div, pnltmp.pol, pnltmp.pon_delay);
 | |
| 
 | |
| 		return -1;
 | |
| 	}
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| 	debug("lcd-settings in env complete, taking over.\n");
 | |
| 	memcpy((void *)panel,
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| 	       (void *)&pnltmp,
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| 	       sizeof(struct am335x_lcdpanel));
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| 
 | |
| 	return 0;
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| }
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| 
 | |
| #ifdef CONFIG_USE_FDT
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| static int load_devicetree(void)
 | |
| {
 | |
| 	int rc;
 | |
| 	loff_t dtbsize;
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| 	u32 dtbaddr = getenv_ulong("dtbaddr", 16, 0UL);
 | |
| 
 | |
| 	if (dtbaddr == 0) {
 | |
| 		printf("%s: don't have a valid <dtbaddr> in env!\n", __func__);
 | |
| 		return -1;
 | |
| 	}
 | |
| #ifdef CONFIG_NAND
 | |
| 	dtbsize = 0x20000;
 | |
| 	rc = nand_read_skip_bad(&nand_info[0], 0x40000, (size_t *)&dtbsize,
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| 				NULL, 0x20000, (u_char *)dtbaddr);
 | |
| #else
 | |
| 	char *dtbname = getenv("dtb");
 | |
| 	char *dtbdev = getenv("dtbdev");
 | |
| 	char *dtppart = getenv("dtbpart");
 | |
| 	if (!dtbdev || !dtbdev || !dtbname) {
 | |
| 		printf("%s: <dtbdev>/<dtbpart>/<dtb> missing.\n", __func__);
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	if (fs_set_blk_dev(dtbdev, dtppart, FS_TYPE_EXT)) {
 | |
| 		puts("load_devicetree: set_blk_dev failed.\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 	rc = fs_read(dtbname, (u32)dtbaddr, 0, 0, &dtbsize);
 | |
| #endif
 | |
| 	if (rc == 0) {
 | |
| 		gd->fdt_blob = (void *)dtbaddr;
 | |
| 		gd->fdt_size = dtbsize;
 | |
| 		debug("loaded %d bytes of dtb onto 0x%08x\n",
 | |
| 		      (u32)dtbsize, (u32)gd->fdt_blob);
 | |
| 		return dtbsize;
 | |
| 	}
 | |
| 
 | |
| 	printf("%s: load dtb failed!\n", __func__);
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| static const char *dtbmacaddr(u32 ifno)
 | |
| {
 | |
| 	int node, len;
 | |
| 	char enet[16];
 | |
| 	const char *mac;
 | |
| 	const char *path;
 | |
| 
 | |
| 	if (gd->fdt_blob == NULL) {
 | |
| 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
 | |
| 		return NULL;
 | |
| 	}
 | |
| 
 | |
| 	node = fdt_path_offset(gd->fdt_blob, "/aliases");
 | |
| 	if (node < 0)
 | |
| 		return NULL;
 | |
| 
 | |
| 	sprintf(enet, "ethernet%d", ifno);
 | |
| 	path = fdt_getprop(gd->fdt_blob, node, enet, NULL);
 | |
| 	if (!path) {
 | |
| 		printf("no alias for %s\n", enet);
 | |
| 		return NULL;
 | |
| 	}
 | |
| 
 | |
| 	node = fdt_path_offset(gd->fdt_blob, path);
 | |
| 	mac = fdt_getprop(gd->fdt_blob, node, "mac-address", &len);
 | |
| 	if (mac && is_valid_ethaddr((u8 *)mac))
 | |
| 		return mac;
 | |
| 
 | |
| 	return NULL;
 | |
| }
 | |
| 
 | |
| static void br_summaryscreen_printdtb(char *prefix,
 | |
| 				       char *name,
 | |
| 				       char *suffix)
 | |
| {
 | |
| 	char buf[32] = { 0 };
 | |
| 	const char *nodep = buf;
 | |
| 	char *mac = 0;
 | |
| 	int nodeoffset;
 | |
| 	int len;
 | |
| 
 | |
| 	if (gd->fdt_blob == NULL) {
 | |
| 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	if (strcmp(name, "brmac1") == 0) {
 | |
| 		mac = (char *)dtbmacaddr(0);
 | |
| 		if (mac)
 | |
| 			sprintf(buf, "%pM", mac);
 | |
| 	} else if (strcmp(name, "brmac2") == 0) {
 | |
| 		mac =  (char *)dtbmacaddr(1);
 | |
| 		if (mac)
 | |
| 			sprintf(buf, "%pM", mac);
 | |
| 	} else {
 | |
| 		nodeoffset = fdt_path_offset(gd->fdt_blob,
 | |
| 					     "/factory-settings");
 | |
| 		if (nodeoffset < 0) {
 | |
| 			puts("no 'factory-settings' in dtb!\n");
 | |
| 			return;
 | |
| 		}
 | |
| 		nodep = fdt_getprop(gd->fdt_blob, nodeoffset, name, &len);
 | |
| 	}
 | |
| 	if (nodep && strlen(nodep) > 1)
 | |
| 		lcd_printf("%s %s %s", prefix, nodep, suffix);
 | |
| 	else
 | |
| 		lcd_printf("\n");
 | |
| }
 | |
| int ft_board_setup(void *blob, bd_t *bd)
 | |
| {
 | |
| 	int nodeoffset;
 | |
| 
 | |
| 	nodeoffset = fdt_path_offset(blob, "/factory-settings");
 | |
| 	if (nodeoffset < 0) {
 | |
| 		puts("set bootloader version 'factory-settings' not in dtb!\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 	if (fdt_setprop(blob, nodeoffset, "bl-version",
 | |
| 			PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) {
 | |
| 		puts("set bootloader version 'bl-version' prop. not in dtb!\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 	/*
 | |
| 	 * if no simplefb is requested through environment, we don't set up
 | |
| 	 * one, instead we turn off backlight.
 | |
| 	 */
 | |
| 	if (getenv_ulong("simplefb", 10, 0) == 0) {
 | |
| 		lcdbacklight(0);
 | |
| 		return 0;
 | |
| 	}
 | |
| 	/* Setup simplefb devicetree node, also adapt memory-node,
 | |
| 	 * upper limit for kernel e.g. linux is memtop-framebuffer alligned
 | |
| 	 * to a full megabyte.
 | |
| 	 */
 | |
| 	u64 start = gd->bd->bi_dram[0].start;
 | |
| 	u64 size = (gd->fb_base - start) & ~0xFFFFF;
 | |
| 	int rc = fdt_fixup_memory_banks(blob, &start, &size, 1);
 | |
| 
 | |
| 	if (rc) {
 | |
| 		puts("cannot setup simplefb: Error reserving memory!\n");
 | |
| 		return rc;
 | |
| 	}
 | |
| 	rc = lcd_dt_simplefb_enable_existing_node(blob);
 | |
| 	if (rc) {
 | |
| 		puts("cannot setup simplefb: error enabling simplefb node!\n");
 | |
| 		return rc;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| #else
 | |
| 
 | |
| static void br_summaryscreen_printenv(char *prefix,
 | |
| 				       char *name, char *altname,
 | |
| 				       char *suffix)
 | |
| {
 | |
| 	char *envval = getenv(name);
 | |
| 	if (0 != envval) {
 | |
| 		lcd_printf("%s %s %s", prefix, envval, suffix);
 | |
| 	} else if (0 != altname) {
 | |
| 		envval = getenv(altname);
 | |
| 		if (0 != envval)
 | |
| 			lcd_printf("%s %s %s", prefix, envval, suffix);
 | |
| 	} else {
 | |
| 		lcd_printf("\n");
 | |
| 	}
 | |
| }
 | |
| #endif
 | |
| void br_summaryscreen(void)
 | |
| {
 | |
| #ifdef CONFIG_USE_FDT
 | |
| 	br_summaryscreen_printdtb(" - B&R -", "order-no", "-\n");
 | |
| 	br_summaryscreen_printdtb(" Serial/Rev :", "serial-no", " /");
 | |
| 	br_summaryscreen_printdtb(" ", "hw-revision", "\n");
 | |
| 	br_summaryscreen_printdtb(" MAC (IF1)  :", "brmac1", "\n");
 | |
| 	br_summaryscreen_printdtb(" MAC (IF2)  :", "brmac2", "\n");
 | |
| 	lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
 | |
| 	lcd_puts("\n");
 | |
| #else
 | |
| 	br_summaryscreen_printenv(" - B&R -", "br_orderno", 0, "-\n");
 | |
| 	br_summaryscreen_printenv(" Serial/Rev :", "br_serial", 0, "\n");
 | |
| 	br_summaryscreen_printenv(" MAC (IF1)  :", "br_mac1", "ethaddr", "\n");
 | |
| 	br_summaryscreen_printenv(" MAC (IF2)  :", "br_mac2", 0, "\n");
 | |
| 	lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
 | |
| 	lcd_puts("\n");
 | |
| #endif
 | |
| }
 | |
| 
 | |
| void lcdpower(int on)
 | |
| {
 | |
| 	u32 pin, swval, i;
 | |
| #ifdef CONFIG_USE_FDT
 | |
| 	if (gd->fdt_blob == NULL) {
 | |
| 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
 | |
| 		return;
 | |
| 	}
 | |
| 	pin = FDTPROP(PATHINF, "pwrpin");
 | |
| #else
 | |
| 	pin = getenv_ulong("ds1_pwr", 16, ~0UL);
 | |
| #endif
 | |
| 	if (pin == ~0UL) {
 | |
| 		puts("no pwrpin in dtb/env, cannot powerup display!\n");
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	for (i = 0; i < 3; i++) {
 | |
| 		if (pin != 0) {
 | |
| 			swval = pin & 0x80 ? 0 : 1;
 | |
| 			if (on)
 | |
| 				gpio_direction_output(pin & 0x7F, swval);
 | |
| 			else
 | |
| 				gpio_direction_output(pin & 0x7F, !swval);
 | |
| 
 | |
| 			debug("switched pin %d to %d\n", pin & 0x7F, swval);
 | |
| 		}
 | |
| 		pin >>= 8;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| vidinfo_t	panel_info = {
 | |
| 		.vl_col = 1366,	/*
 | |
| 				 * give full resolution for allocating enough
 | |
| 				 * memory
 | |
| 				 */
 | |
| 		.vl_row = 768,
 | |
| 		.vl_bpix = 5,
 | |
| 		.priv = 0
 | |
| };
 | |
| 
 | |
| void lcd_ctrl_init(void *lcdbase)
 | |
| {
 | |
| 	struct am335x_lcdpanel lcd_panel;
 | |
| #ifdef CONFIG_USE_FDT
 | |
| 	/* TODO: is there a better place to load the dtb ? */
 | |
| 	load_devicetree();
 | |
| #endif
 | |
| 	memset(&lcd_panel, 0, sizeof(struct am335x_lcdpanel));
 | |
| 	if (load_lcdtiming(&lcd_panel) != 0)
 | |
| 		return;
 | |
| 
 | |
| 	lcd_panel.panel_power_ctrl = &lcdpower;
 | |
| 
 | |
| 	if (0 != am335xfb_init(&lcd_panel))
 | |
| 		printf("ERROR: failed to initialize video!");
 | |
| 	/*
 | |
| 	 * modifiy panel info to 'real' resolution, to operate correct with
 | |
| 	 * lcd-framework.
 | |
| 	 */
 | |
| 	panel_info.vl_col = lcd_panel.hactive;
 | |
| 	panel_info.vl_row = lcd_panel.vactive;
 | |
| 
 | |
| 	lcd_set_flush_dcache(1);
 | |
| }
 | |
| 
 | |
| void lcd_enable(void)
 | |
| {
 | |
| 	br_summaryscreen();
 | |
| 	lcdbacklight(1);
 | |
| }
 | |
| #elif CONFIG_SPL_BUILD
 | |
| #else
 | |
| #error "LCD-support with a suitable FB-Driver is mandatory !"
 | |
| #endif /* CONFIG_LCD */
 | |
| 
 | |
| #ifdef CONFIG_SPL_BUILD
 | |
| void pmicsetup(u32 mpupll)
 | |
| {
 | |
| 	int mpu_vdd;
 | |
| 	int usb_cur_lim;
 | |
| 
 | |
| 	if (i2c_probe(TPS65217_CHIP_PM)) {
 | |
| 		puts("PMIC (0x24) not found! skip further initalization.\n");
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	/* Get the frequency which is defined by device fuses */
 | |
| 	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
 | |
| 	printf("detected max. frequency: %d - ", dpll_mpu_opp100.m);
 | |
| 
 | |
| 	if (0 != mpupll) {
 | |
| 		dpll_mpu_opp100.m = MPUPLL_M_1000;
 | |
| 		printf("retuning MPU-PLL to: %d MHz.\n", dpll_mpu_opp100.m);
 | |
| 	} else {
 | |
| 		puts("ok.\n");
 | |
| 	}
 | |
| 	/*
 | |
| 	 * Increase USB current limit to 1300mA or 1800mA and set
 | |
| 	 * the MPU voltage controller as needed.
 | |
| 	 */
 | |
| 	if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
 | |
| 		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
 | |
| 		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
 | |
| 	} else {
 | |
| 		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
 | |
| 		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
 | |
| 	}
 | |
| 
 | |
| 	if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_POWER_PATH,
 | |
| 			       usb_cur_lim, TPS65217_USB_INPUT_CUR_LIMIT_MASK))
 | |
| 		puts("tps65217_reg_write failure\n");
 | |
| 
 | |
| 	/* Set DCDC3 (CORE) voltage to 1.125V */
 | |
| 	if (tps65217_voltage_update(TPS65217_DEFDCDC3,
 | |
| 				    TPS65217_DCDC_VOLT_SEL_1125MV)) {
 | |
| 		puts("tps65217_voltage_update failure\n");
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	/* Set CORE Frequencies to OPP100 */
 | |
| 	do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
 | |
| 
 | |
| 	/* Set DCDC2 (MPU) voltage */
 | |
| 	if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
 | |
| 		puts("tps65217_voltage_update failure\n");
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	/* Set LDO3 to 1.8V */
 | |
| 	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 | |
| 			       TPS65217_DEFLS1,
 | |
| 			       TPS65217_LDO_VOLTAGE_OUT_1_8,
 | |
| 			       TPS65217_LDO_MASK))
 | |
| 		puts("tps65217_reg_write failure\n");
 | |
| 	/* Set LDO4 to 3.3V */
 | |
| 	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 | |
| 			       TPS65217_DEFLS2,
 | |
| 			       TPS65217_LDO_VOLTAGE_OUT_3_3,
 | |
| 			       TPS65217_LDO_MASK))
 | |
| 		puts("tps65217_reg_write failure\n");
 | |
| 
 | |
| 	/* Set MPU Frequency to what we detected now that voltages are set */
 | |
| 	do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
 | |
| 	/* Set PWR_EN bit in Status Register */
 | |
| 	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
 | |
| 			   TPS65217_STATUS, TPS65217_PWR_OFF, TPS65217_PWR_OFF);
 | |
| }
 | |
| 
 | |
| void set_uart_mux_conf(void)
 | |
| {
 | |
| 	enable_uart0_pin_mux();
 | |
| }
 | |
| 
 | |
| void set_mux_conf_regs(void)
 | |
| {
 | |
| 	enable_board_pin_mux();
 | |
| }
 | |
| 
 | |
| #endif /* CONFIG_SPL_BUILD */
 | |
| 
 | |
| #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
 | |
| 	(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 | |
| static void cpsw_control(int enabled)
 | |
| {
 | |
| 	/* VTP can be added here */
 | |
| 	return;
 | |
| }
 | |
| 
 | |
| /* describing port offsets of TI's CPSW block */
 | |
| static struct cpsw_slave_data cpsw_slaves[] = {
 | |
| 	{
 | |
| 		.slave_reg_ofs	= 0x208,
 | |
| 		.sliver_reg_ofs	= 0xd80,
 | |
| 		.phy_addr	= 1,
 | |
| 	},
 | |
| 	{
 | |
| 		.slave_reg_ofs	= 0x308,
 | |
| 		.sliver_reg_ofs	= 0xdc0,
 | |
| 		.phy_addr	= 2,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct cpsw_platform_data cpsw_data = {
 | |
| 	.mdio_base		= CPSW_MDIO_BASE,
 | |
| 	.cpsw_base		= CPSW_BASE,
 | |
| 	.mdio_div		= 0xff,
 | |
| 	.channels		= 8,
 | |
| 	.cpdma_reg_ofs		= 0x800,
 | |
| 	.slaves			= 1,
 | |
| 	.slave_data		= cpsw_slaves,
 | |
| 	.ale_reg_ofs		= 0xd00,
 | |
| 	.ale_entries		= 1024,
 | |
| 	.host_port_reg_ofs	= 0x108,
 | |
| 	.hw_stats_reg_ofs	= 0x900,
 | |
| 	.bd_ram_ofs		= 0x2000,
 | |
| 	.mac_control		= (1 << 5),
 | |
| 	.control		= cpsw_control,
 | |
| 	.host_port_num		= 0,
 | |
| 	.version		= CPSW_CTRL_VERSION_2,
 | |
| };
 | |
| #endif /* CONFIG_DRIVER_TI_CPSW, ... */
 | |
| 
 | |
| #if defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)
 | |
| int board_eth_init(bd_t *bis)
 | |
| {
 | |
| 	int rv = 0;
 | |
| 	char mac_addr[6];
 | |
| 	const char *mac = 0;
 | |
| 	uint32_t mac_hi, mac_lo;
 | |
| 	/* try reading mac address from efuse */
 | |
| 	mac_lo = readl(&cdev->macid0l);
 | |
| 	mac_hi = readl(&cdev->macid0h);
 | |
| 	mac_addr[0] = mac_hi & 0xFF;
 | |
| 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 | |
| 	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 | |
| 	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 | |
| 	mac_addr[4] = mac_lo & 0xFF;
 | |
| 	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 | |
| 
 | |
| 	if (!getenv("ethaddr")) {
 | |
| 		#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_FDT)
 | |
| 		printf("<ethaddr> not set. trying DTB ... ");
 | |
| 		mac = dtbmacaddr(0);
 | |
| 		#endif
 | |
| 		if (!mac) {
 | |
| 			printf("<ethaddr> not set. validating E-fuse MAC ... ");
 | |
| 			if (is_valid_ethaddr((const u8 *)mac_addr))
 | |
| 				mac = (const char *)mac_addr;
 | |
| 		}
 | |
| 
 | |
| 		if (mac) {
 | |
| 			printf("using: %pM on ", mac);
 | |
| 			eth_setenv_enetaddr("ethaddr", (const u8 *)mac);
 | |
| 		}
 | |
| 	}
 | |
| 	writel(MII_MODE_ENABLE, &cdev->miisel);
 | |
| 	cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_MII;
 | |
| 	cpsw_slaves[1].phy_if =	PHY_INTERFACE_MODE_MII;
 | |
| 
 | |
| 	rv = cpsw_register(&cpsw_data);
 | |
| 	if (rv < 0) {
 | |
| 		printf("Error %d registering CPSW switch\n", rv);
 | |
| 		return 0;
 | |
| 	}
 | |
| 	return rv;
 | |
| }
 | |
| #endif /* defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD) */
 | |
| #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
 | |
| int board_mmc_init(bd_t *bis)
 | |
| {
 | |
| 	return omap_mmc_init(1, 0, 0, -1, -1);
 | |
| }
 | |
| #endif
 | |
| int overwrite_console(void)
 | |
| {
 | |
| 	return 1;
 | |
| }
 |