board/BuR/common/common.c - github/trini/u-boot - Gitiles

 /*
  * common.c
  *
  * common board functions for B&R boards
  *
  * Copyright (C) 2013 Hannes Petermaier <oe5hpm@oevsv.at>
  * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
  *
  * SPDX-License-Identifier:	GPL-2.0+
  *
  */
 #include <version.h>
 #include <common.h>
 #include <errno.h>
 #include <spl.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/omap.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/mmc_host_def.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
 #include <i2c.h>
 #include <miiphy.h>
 #include <cpsw.h>
 #include <power/tps65217.h>
 #include <lcd.h>
 #include <fs.h>
 #ifdef CONFIG_USE_FDT
   #include <fdt_support.h>
 #endif
 #include "bur_common.h"
 #include "../../../drivers/video/am335x-fb.h"
 #include <nand.h>

 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;

 DECLARE_GLOBAL_DATA_PTR;

 #ifdef CONFIG_USE_FDT
   #define FDTPROP(b, c) fdt_getprop_u32_default(gd->fdt_blob, b, c, ~0UL)
   #define PATHTIM "/panel/display-timings/default"
   #define PATHINF "/panel/panel-info"
 #endif
 /* --------------------------------------------------------------------------*/
 #if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
 	!defined(CONFIG_SPL_BUILD)
 int load_lcdtiming(struct am335x_lcdpanel *panel)
 {
 	struct am335x_lcdpanel pnltmp;
 #ifdef CONFIG_USE_FDT
 	u32 dtbprop;

 	if (gd->fdt_blob == NULL) {
 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
 		return -1;
 	}
 	memcpy(&pnltmp, (void *)panel, sizeof(struct am335x_lcdpanel));

 	pnltmp.hactive = FDTPROP(PATHTIM, "hactive");
 	pnltmp.vactive = FDTPROP(PATHTIM, "vactive");
 	pnltmp.bpp = FDTPROP(PATHINF, "bpp");
 	pnltmp.hfp = FDTPROP(PATHTIM, "hfront-porch");
 	pnltmp.hbp = FDTPROP(PATHTIM, "hback-porch");
 	pnltmp.hsw = FDTPROP(PATHTIM, "hsync-len");
 	pnltmp.vfp = FDTPROP(PATHTIM, "vfront-porch");
 	pnltmp.vbp = FDTPROP(PATHTIM, "vback-porch");
 	pnltmp.vsw = FDTPROP(PATHTIM, "vsync-len");
 	pnltmp.pup_delay = FDTPROP(PATHTIM, "pupdelay");
 	pnltmp.pon_delay = FDTPROP(PATHTIM, "pondelay");

 	/* calc. proper clk-divisor */
 	dtbprop = FDTPROP(PATHTIM, "clock-frequency");
 	if (dtbprop != ~0UL)
 		pnltmp.pxl_clk_div = 192000000 / dtbprop;
 	else
 		pnltmp.pxl_clk_div = ~0UL;

 	/* check polarity of control-signals */
 	dtbprop = FDTPROP(PATHTIM, "hsync-active");
 	if (dtbprop == 0)
 		pnltmp.pol |= HSYNC_INVERT;
 	dtbprop = FDTPROP(PATHTIM, "vsync-active");
 	if (dtbprop == 0)
 		pnltmp.pol |= VSYNC_INVERT;
 	dtbprop = FDTPROP(PATHINF, "sync-ctrl");
 	if (dtbprop == 1)
 		pnltmp.pol |= HSVS_CONTROL;
 	dtbprop = FDTPROP(PATHINF, "sync-edge");
 	if (dtbprop == 1)
 		pnltmp.pol |= HSVS_RISEFALL;
 	dtbprop = FDTPROP(PATHTIM, "pixelclk-active");
 	if (dtbprop == 0)
 		pnltmp.pol |= PXCLK_INVERT;
 	dtbprop = FDTPROP(PATHTIM, "de-active");
 	if (dtbprop == 0)
 		pnltmp.pol |= DE_INVERT;
 #else
 	pnltmp.hactive = getenv_ulong("ds1_hactive", 10, ~0UL);
 	pnltmp.vactive = getenv_ulong("ds1_vactive", 10, ~0UL);
 	pnltmp.bpp = getenv_ulong("ds1_bpp", 10, ~0UL);
 	pnltmp.hfp = getenv_ulong("ds1_hfp", 10, ~0UL);
 	pnltmp.hbp = getenv_ulong("ds1_hbp", 10, ~0UL);
 	pnltmp.hsw = getenv_ulong("ds1_hsw", 10, ~0UL);
 	pnltmp.vfp = getenv_ulong("ds1_vfp", 10, ~0UL);
 	pnltmp.vbp = getenv_ulong("ds1_vbp", 10, ~0UL);
 	pnltmp.vsw = getenv_ulong("ds1_vsw", 10, ~0UL);
 	pnltmp.pxl_clk_div = getenv_ulong("ds1_pxlclkdiv", 10, ~0UL);
 	pnltmp.pol = getenv_ulong("ds1_pol", 16, ~0UL);
 	pnltmp.pup_delay = getenv_ulong("ds1_pupdelay", 10, ~0UL);
 	pnltmp.pon_delay = getenv_ulong("ds1_tondelay", 10, ~0UL);
 #endif
 	if (
 	   ~0UL == (pnltmp.hactive) ||
 	   ~0UL == (pnltmp.vactive) ||
 	   ~0UL == (pnltmp.bpp) ||
 	   ~0UL == (pnltmp.hfp) ||
 	   ~0UL == (pnltmp.hbp) ||
 	   ~0UL == (pnltmp.hsw) ||
 	   ~0UL == (pnltmp.vfp) ||
 	   ~0UL == (pnltmp.vbp) ||
 	   ~0UL == (pnltmp.vsw) ||
 	   ~0UL == (pnltmp.pxl_clk_div) ||
 	   ~0UL == (pnltmp.pol) ||
 	   ~0UL == (pnltmp.pup_delay) ||
 	   ~0UL == (pnltmp.pon_delay)
 	   ) {
 		puts("lcd-settings in env/dtb incomplete!\n");
 		printf("display-timings:\n"
 			"================\n"
 			"hactive: %d\n"
 			"vactive: %d\n"
 			"bpp    : %d\n"
 			"hfp    : %d\n"
 			"hbp    : %d\n"
 			"hsw    : %d\n"
 			"vfp    : %d\n"
 			"vbp    : %d\n"
 			"vsw    : %d\n"
 			"pxlclk : %d\n"
 			"pol    : 0x%08x\n"
 			"pondly : %d\n",
 			pnltmp.hactive, pnltmp.vactive, pnltmp.bpp,
 			pnltmp.hfp, pnltmp.hbp, pnltmp.hsw,
 			pnltmp.vfp, pnltmp.vbp, pnltmp.vsw,
 			pnltmp.pxl_clk_div, pnltmp.pol, pnltmp.pon_delay);

 		return -1;
 	}
 	debug("lcd-settings in env complete, taking over.\n");
 	memcpy((void *)panel,
 	       (void *)&pnltmp,
 	       sizeof(struct am335x_lcdpanel));

 	return 0;
 }

 #ifdef CONFIG_USE_FDT
 static int load_devicetree(void)
 {
 	int rc;
 	loff_t dtbsize;
 	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,
 				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;
 	}
 	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)
 {
 #ifdef CONFIG_USE_FDT
 	if (gd->fdt_blob == NULL) {
 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
 		return;
 	}
 	unsigned int driver = FDTPROP(PATHINF, "brightdrv");
 	unsigned int bright = FDTPROP(PATHINF, "brightdef");
 	unsigned int pwmfrq = FDTPROP(PATHINF, "brightfdim");
 #else
 	unsigned int driver = getenv_ulong("ds1_bright_drv", 16, 0UL);
 	unsigned int bright = getenv_ulong("ds1_bright_def", 10, 50);
 	unsigned int pwmfrq = getenv_ulong("ds1_pwmfreq", 10, ~0UL);
 #endif
 	unsigned int tmp;
 	struct gptimer *const timerhw = (struct gptimer *)DM_TIMER6_BASE;

 	bright = bright != ~0UL ? bright : 50;

 	switch (driver) {
 	case 0:	/* PMIC LED-Driver */
 		/* brightness level */
 		tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
 				   TPS65217_WLEDCTRL2, bright, 0xFF);
 		/* turn on light */
 		tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
 				   TPS65217_WLEDCTRL1, 0x0A, 0xFF);
 		break;
 	case 1: /* PWM using timer6 */
 		if (pwmfrq != ~0UL) {
 			timerhw->tiocp_cfg = TCFG_RESET;
 			udelay(10);
 			while (timerhw->tiocp_cfg & TCFG_RESET)
 				;
 			tmp = ~0UL-(V_OSCK/pwmfrq);	/* bottom value */
 			timerhw->tldr = tmp;
 			timerhw->tcrr = tmp;
 			tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright;
 			timerhw->tmar = tmp;
 			timerhw->tclr = (TCLR_PT | (2 << TCLR_TRG_SHIFT) |
 					TCLR_CE | TCLR_AR | TCLR_ST);
 		} else {
 			puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n");
 		}
 		break;
 	default:
 		puts("no suitable backlightdriver in env/dtb!\n");
 		break;
 	}
 	br_summaryscreen();
 }
 #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)

 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 (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
 	(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 	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;
 	}
 #endif /* CONFIG_DRIVER_TI_CPSW, ... */
 	return rv;
 }
 #endif /* CONFIG_DRIVER_TI_CPSW */
 #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;
 }
	/*
	* common.c
	*
	* common board functions for B&R boards
	*
	* Copyright (C) 2013 Hannes Petermaier <oe5hpm@oevsv.at>
	* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
	*
	* SPDX-License-Identifier: GPL-2.0+
	*
	*/
	#include <version.h>
	#include <common.h>
	#include <errno.h>
	#include <spl.h>
	#include <asm/arch/cpu.h>
	#include <asm/arch/hardware.h>
	#include <asm/arch/omap.h>
	#include <asm/arch/clock.h>
	#include <asm/arch/gpio.h>
	#include <asm/arch/sys_proto.h>
	#include <asm/arch/mmc_host_def.h>
	#include <asm/io.h>
	#include <asm/gpio.h>
	#include <i2c.h>
	#include <miiphy.h>
	#include <cpsw.h>
	#include <power/tps65217.h>
	#include <lcd.h>
	#include <fs.h>
	#ifdef CONFIG_USE_FDT
	#include <fdt_support.h>
	#endif
	#include "bur_common.h"
	#include "../../../drivers/video/am335x-fb.h"
	#include <nand.h>

	static struct ctrl_dev cdev = (struct ctrl_dev )CTRL_DEVICE_BASE;

	DECLARE_GLOBAL_DATA_PTR;

	#ifdef CONFIG_USE_FDT
	#define FDTPROP(b, c) fdt_getprop_u32_default(gd->fdt_blob, b, c, ~0UL)
	#define PATHTIM "/panel/display-timings/default"
	#define PATHINF "/panel/panel-info"
	#endif
	/* --------------------------------------------------------------------------*/
	#if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
	!defined(CONFIG_SPL_BUILD)
	int load_lcdtiming(struct am335x_lcdpanel *panel)
	{
	struct am335x_lcdpanel pnltmp;
	#ifdef CONFIG_USE_FDT
	u32 dtbprop;

	if (gd->fdt_blob == NULL) {
	printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
	return -1;
	}
	memcpy(&pnltmp, (void *)panel, sizeof(struct am335x_lcdpanel));

	pnltmp.hactive = FDTPROP(PATHTIM, "hactive");
	pnltmp.vactive = FDTPROP(PATHTIM, "vactive");
	pnltmp.bpp = FDTPROP(PATHINF, "bpp");
	pnltmp.hfp = FDTPROP(PATHTIM, "hfront-porch");
	pnltmp.hbp = FDTPROP(PATHTIM, "hback-porch");
	pnltmp.hsw = FDTPROP(PATHTIM, "hsync-len");
	pnltmp.vfp = FDTPROP(PATHTIM, "vfront-porch");
	pnltmp.vbp = FDTPROP(PATHTIM, "vback-porch");
	pnltmp.vsw = FDTPROP(PATHTIM, "vsync-len");
	pnltmp.pup_delay = FDTPROP(PATHTIM, "pupdelay");
	pnltmp.pon_delay = FDTPROP(PATHTIM, "pondelay");

	/* calc. proper clk-divisor */
	dtbprop = FDTPROP(PATHTIM, "clock-frequency");
	if (dtbprop != ~0UL)
	pnltmp.pxl_clk_div = 192000000 / dtbprop;
	else
	pnltmp.pxl_clk_div = ~0UL;

	/* check polarity of control-signals */
	dtbprop = FDTPROP(PATHTIM, "hsync-active");
	if (dtbprop == 0)
	pnltmp.pol \|= HSYNC_INVERT;
	dtbprop = FDTPROP(PATHTIM, "vsync-active");
	if (dtbprop == 0)
	pnltmp.pol \|= VSYNC_INVERT;
	dtbprop = FDTPROP(PATHINF, "sync-ctrl");
	if (dtbprop == 1)
	pnltmp.pol \|= HSVS_CONTROL;
	dtbprop = FDTPROP(PATHINF, "sync-edge");
	if (dtbprop == 1)
	pnltmp.pol \|= HSVS_RISEFALL;
	dtbprop = FDTPROP(PATHTIM, "pixelclk-active");
	if (dtbprop == 0)
	pnltmp.pol \|= PXCLK_INVERT;
	dtbprop = FDTPROP(PATHTIM, "de-active");
	if (dtbprop == 0)
	pnltmp.pol \|= DE_INVERT;
	#else
	pnltmp.hactive = getenv_ulong("ds1_hactive", 10, ~0UL);
	pnltmp.vactive = getenv_ulong("ds1_vactive", 10, ~0UL);
	pnltmp.bpp = getenv_ulong("ds1_bpp", 10, ~0UL);
	pnltmp.hfp = getenv_ulong("ds1_hfp", 10, ~0UL);
	pnltmp.hbp = getenv_ulong("ds1_hbp", 10, ~0UL);
	pnltmp.hsw = getenv_ulong("ds1_hsw", 10, ~0UL);
	pnltmp.vfp = getenv_ulong("ds1_vfp", 10, ~0UL);
	pnltmp.vbp = getenv_ulong("ds1_vbp", 10, ~0UL);
	pnltmp.vsw = getenv_ulong("ds1_vsw", 10, ~0UL);
	pnltmp.pxl_clk_div = getenv_ulong("ds1_pxlclkdiv", 10, ~0UL);
	pnltmp.pol = getenv_ulong("ds1_pol", 16, ~0UL);
	pnltmp.pup_delay = getenv_ulong("ds1_pupdelay", 10, ~0UL);
	pnltmp.pon_delay = getenv_ulong("ds1_tondelay", 10, ~0UL);
	#endif
	if (
	~0UL == (pnltmp.hactive) \|\|
	~0UL == (pnltmp.vactive) \|\|
	~0UL == (pnltmp.bpp) \|\|
	~0UL == (pnltmp.hfp) \|\|
	~0UL == (pnltmp.hbp) \|\|
	~0UL == (pnltmp.hsw) \|\|
	~0UL == (pnltmp.vfp) \|\|
	~0UL == (pnltmp.vbp) \|\|
	~0UL == (pnltmp.vsw) \|\|
	~0UL == (pnltmp.pxl_clk_div) \|\|
	~0UL == (pnltmp.pol) \|\|
	~0UL == (pnltmp.pup_delay) \|\|
	~0UL == (pnltmp.pon_delay)
	) {
	puts("lcd-settings in env/dtb incomplete!\n");
	printf("display-timings:\n"
	"================\n"
	"hactive: %d\n"
	"vactive: %d\n"
	"bpp : %d\n"
	"hfp : %d\n"
	"hbp : %d\n"
	"hsw : %d\n"
	"vfp : %d\n"
	"vbp : %d\n"
	"vsw : %d\n"
	"pxlclk : %d\n"
	"pol : 0x%08x\n"
	"pondly : %d\n",
	pnltmp.hactive, pnltmp.vactive, pnltmp.bpp,
	pnltmp.hfp, pnltmp.hbp, pnltmp.hsw,
	pnltmp.vfp, pnltmp.vbp, pnltmp.vsw,
	pnltmp.pxl_clk_div, pnltmp.pol, pnltmp.pon_delay);

	return -1;
	}
	debug("lcd-settings in env complete, taking over.\n");
	memcpy((void *)panel,
	(void *)&pnltmp,
	sizeof(struct am335x_lcdpanel));

	return 0;
	}

	#ifdef CONFIG_USE_FDT
	static int load_devicetree(void)
	{
	int rc;
	loff_t dtbsize;
	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,
	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;
	}
	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)
	{
	#ifdef CONFIG_USE_FDT
	if (gd->fdt_blob == NULL) {
	printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
	return;
	}
	unsigned int driver = FDTPROP(PATHINF, "brightdrv");
	unsigned int bright = FDTPROP(PATHINF, "brightdef");
	unsigned int pwmfrq = FDTPROP(PATHINF, "brightfdim");
	#else
	unsigned int driver = getenv_ulong("ds1_bright_drv", 16, 0UL);
	unsigned int bright = getenv_ulong("ds1_bright_def", 10, 50);
	unsigned int pwmfrq = getenv_ulong("ds1_pwmfreq", 10, ~0UL);
	#endif
	unsigned int tmp;
	struct gptimer const timerhw = (struct gptimer )DM_TIMER6_BASE;

	bright = bright != ~0UL ? bright : 50;

	switch (driver) {
	case 0: /* PMIC LED-Driver */
	/* brightness level */
	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
	TPS65217_WLEDCTRL2, bright, 0xFF);
	/* turn on light */
	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
	TPS65217_WLEDCTRL1, 0x0A, 0xFF);
	break;
	case 1: /* PWM using timer6 */
	if (pwmfrq != ~0UL) {
	timerhw->tiocp_cfg = TCFG_RESET;
	udelay(10);
	while (timerhw->tiocp_cfg & TCFG_RESET)
	;
	tmp = ~0UL-(V_OSCK/pwmfrq); /* bottom value */
	timerhw->tldr = tmp;
	timerhw->tcrr = tmp;
	tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright;
	timerhw->tmar = tmp;
	timerhw->tclr = (TCLR_PT \| (2 << TCLR_TRG_SHIFT) \|
	TCLR_CE \| TCLR_AR \| TCLR_ST);
	} else {
	puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n");
	}
	break;
	default:
	puts("no suitable backlightdriver in env/dtb!\n");
	break;
	}
	br_summaryscreen();
	}
	#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)

	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 (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) \|\| \
	(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
	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;
	}
	#endif /* CONFIG_DRIVER_TI_CPSW, ... */
	return rv;
	}
	#endif /* CONFIG_DRIVER_TI_CPSW */
	#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;
	}