[people/ms/u-boot.git] / board / BuR / common / common.c

/*
 * common.c
 *
 * common board functions for B&R boards
 *
 * Copyright (C) 2013 Hannes Schmelzer <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 <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>
#include <fdt_simplefb.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)
void lcdbacklight(int on)
{
#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 *timerhw;

	if (on)
		bright = bright != ~0UL ? bright : 50;
	else
		bright = 0;

	switch (driver) {
	case 2:
		timerhw = (struct gptimer *)DM_TIMER5_BASE;
		break;
	default:
		timerhw = (struct gptimer *)DM_TIMER6_BASE;
	}

	switch (driver) {
	case 0:	/* PMIC LED-Driver */
		/* brightness level */
		tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
				   TPS65217_WLEDCTRL2, bright, 0xFF);
		/* current sink */
		tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
				   TPS65217_WLEDCTRL1,
				   bright != 0 ? 0x0A : 0x02,
				   0xFF);
		break;
	case 1:
	case 2: /* PWM using timer */
		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;
	}
}

int load_lcdtiming(struct am335x_lcdpanel *panel)
{
	struct am335x_lcdpanel pnltmp;
#ifdef CONFIG_USE_FDT
	u32 dtbprop;
	char buf[32];
	const char *nodep = 0;
	int nodeoff;

	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;

	nodeoff = fdt_path_offset(gd->fdt_blob, "/factory-settings");
	if (nodeoff >= 0) {
		nodep = fdt_getprop(gd->fdt_blob, nodeoff, "rotation", NULL);
		if (nodep != 0) {
			if (strcmp(nodep, "cw") == 0)
				panel_info.vl_rot = 1;
			else if (strcmp(nodep, "ud") == 0)
				panel_info.vl_rot = 2;
			else if (strcmp(nodep, "ccw") == 0)
				panel_info.vl_rot = 3;
			else
				panel_info.vl_rot = 0;
		}
	} else {
		puts("no 'factory-settings / rotation' in dtb!\n");
	}
	snprintf(buf, sizeof(buf), "fbcon=rotate:%d", panel_info.vl_rot);
	setenv("optargs_rot", buf);
#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);
	panel_info.vl_rot = getenv_ulong("ds1_rotation", 10, 0);
#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 *dtbpart = getenv("dtbpart");
	if (!dtbdev || !dtbpart || !dtbname) {
		printf("%s: <dtbdev>/<dtbpart>/<dtb> missing.\n", __func__);
		return -1;
	}

	if (fs_set_blk_dev(dtbdev, dtbpart, 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_MMC)
int board_mmc_init(bd_t *bis)
{
	return omap_mmc_init(1, 0, 0, -1, -1);
}
#endif
int overwrite_console(void)
{
	return 1;
}
Commit	Line	Data
893c04e1 HP	1	/*
	2	* common.c
	3	*
	4	* common board functions for B&R boards
	5	*
4c302b9a	6	* Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at>
893c04e1 HP	7	* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
	8	*
	9	* SPDX-License-Identifier: GPL-2.0+
	10	*
	11	*/
fbd5aeda	12	#include <version.h>
893c04e1 HP	13	#include <common.h>
893c04e1 HP	14	#include <errno.h>
893c04e1 HP	15	#include <asm/arch/cpu.h>
	16	#include <asm/arch/hardware.h>
	17	#include <asm/arch/omap.h>
	18	#include <asm/arch/clock.h>
	19	#include <asm/arch/gpio.h>
	20	#include <asm/arch/sys_proto.h>
46c8ebc8	21	#include <asm/arch/mmc_host_def.h>
893c04e1 HP	22	#include <asm/io.h>
	23	#include <asm/gpio.h>
	24	#include <i2c.h>
	25	#include <miiphy.h>
	26	#include <cpsw.h>
	27	#include <power/tps65217.h>
fbd5aeda HP	28	#include <lcd.h>
	29	#include <fs.h>
	30	#ifdef CONFIG_USE_FDT
	31	#include <fdt_support.h>
	32	#endif
893c04e1	33	#include "bur_common.h"
fbd5aeda	34	#include "../../../drivers/video/am335x-fb.h"
d79c138c	35	#include <nand.h>
99f72472	36	#include <fdt_simplefb.h>
893c04e1 HP	37
893c04e1 HP	38	static struct ctrl_dev cdev = (struct ctrl_dev )CTRL_DEVICE_BASE;
fbd5aeda HP	39
	40	DECLARE_GLOBAL_DATA_PTR;
	41
	42	#ifdef CONFIG_USE_FDT
47c14227	43	#define FDTPROP(b, c) fdt_getprop_u32_default(gd->fdt_blob, b, c, ~0UL)
fbd5aeda HP	44	#define PATHTIM "/panel/display-timings/default"
	45	#define PATHINF "/panel/panel-info"
	46	#endif
893c04e1	47	/* --------------------------------------------------------------------------*/
fbd5aeda HP	48	#if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
fbd5aeda HP	49	!defined(CONFIG_SPL_BUILD)
99f72472 HP	50	void lcdbacklight(int on)
	51	{
	52	#ifdef CONFIG_USE_FDT
	53	if (gd->fdt_blob == NULL) {
	54	printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
	55	return;
	56	}
	57	unsigned int driver = FDTPROP(PATHINF, "brightdrv");
	58	unsigned int bright = FDTPROP(PATHINF, "brightdef");
	59	unsigned int pwmfrq = FDTPROP(PATHINF, "brightfdim");
	60	#else
	61	unsigned int driver = getenv_ulong("ds1_bright_drv", 16, 0UL);
	62	unsigned int bright = getenv_ulong("ds1_bright_def", 10, 50);
	63	unsigned int pwmfrq = getenv_ulong("ds1_pwmfreq", 10, ~0UL);
	64	#endif
	65	unsigned int tmp;
9b63ba37	66	struct gptimer *timerhw;
99f72472 HP	67
	68	if (on)
	69	bright = bright != ~0UL ? bright : 50;
	70	else
	71	bright = 0;
	72
9b63ba37 HP	73	switch (driver) {
	74	case 2:
	75	timerhw = (struct gptimer *)DM_TIMER5_BASE;
	76	break;
	77	default:
	78	timerhw = (struct gptimer *)DM_TIMER6_BASE;
	79	}
	80
99f72472 HP	81	switch (driver) {
	82	case 0: /* PMIC LED-Driver */
	83	/* brightness level */
	84	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
	85	TPS65217_WLEDCTRL2, bright, 0xFF);
	86	/* current sink */
	87	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
	88	TPS65217_WLEDCTRL1,
	89	bright != 0 ? 0x0A : 0x02,
	90	0xFF);
	91	break;
9b63ba37 HP	92	case 1:
9b63ba37 HP	93	case 2: /* PWM using timer */
99f72472 HP	94	if (pwmfrq != ~0UL) {
	95	timerhw->tiocp_cfg = TCFG_RESET;
	96	udelay(10);
	97	while (timerhw->tiocp_cfg & TCFG_RESET)
	98	;
	99	tmp = ~0UL-(V_OSCK/pwmfrq); /* bottom value */
	100	timerhw->tldr = tmp;
	101	timerhw->tcrr = tmp;
	102	tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright;
	103	timerhw->tmar = tmp;
	104	timerhw->tclr = (TCLR_PT \| (2 << TCLR_TRG_SHIFT) \|
	105	TCLR_CE \| TCLR_AR \| TCLR_ST);
	106	} else {
	107	puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n");
	108	}
	109	break;
	110	default:
	111	puts("no suitable backlightdriver in env/dtb!\n");
	112	break;
	113	}
	114	}
	115
fbd5aeda HP	116	int load_lcdtiming(struct am335x_lcdpanel *panel)
	117	{
	118	struct am335x_lcdpanel pnltmp;
	119	#ifdef CONFIG_USE_FDT
fbd5aeda	120	u32 dtbprop;
d804452b HP	121	char buf[32];
	122	const char *nodep = 0;
	123	int nodeoff;
fbd5aeda	124
47c14227 HP	125	if (gd->fdt_blob == NULL) {
47c14227 HP	126	printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
fbd5aeda HP	127	return -1;
	128	}
	129	memcpy(&pnltmp, (void *)panel, sizeof(struct am335x_lcdpanel));
	130
47c14227 HP	131	pnltmp.hactive = FDTPROP(PATHTIM, "hactive");
	132	pnltmp.vactive = FDTPROP(PATHTIM, "vactive");
	133	pnltmp.bpp = FDTPROP(PATHINF, "bpp");
	134	pnltmp.hfp = FDTPROP(PATHTIM, "hfront-porch");
	135	pnltmp.hbp = FDTPROP(PATHTIM, "hback-porch");
	136	pnltmp.hsw = FDTPROP(PATHTIM, "hsync-len");
	137	pnltmp.vfp = FDTPROP(PATHTIM, "vfront-porch");
	138	pnltmp.vbp = FDTPROP(PATHTIM, "vback-porch");
	139	pnltmp.vsw = FDTPROP(PATHTIM, "vsync-len");
	140	pnltmp.pup_delay = FDTPROP(PATHTIM, "pupdelay");
	141	pnltmp.pon_delay = FDTPROP(PATHTIM, "pondelay");
fbd5aeda HP	142
fbd5aeda HP	143	/* calc. proper clk-divisor */
47c14227	144	dtbprop = FDTPROP(PATHTIM, "clock-frequency");
fbd5aeda HP	145	if (dtbprop != ~0UL)
	146	pnltmp.pxl_clk_div = 192000000 / dtbprop;
	147	else
	148	pnltmp.pxl_clk_div = ~0UL;
	149
	150	/* check polarity of control-signals */
47c14227	151	dtbprop = FDTPROP(PATHTIM, "hsync-active");
fbd5aeda HP	152	if (dtbprop == 0)
fbd5aeda HP	153	pnltmp.pol \|= HSYNC_INVERT;
47c14227	154	dtbprop = FDTPROP(PATHTIM, "vsync-active");
fbd5aeda HP	155	if (dtbprop == 0)
fbd5aeda HP	156	pnltmp.pol \|= VSYNC_INVERT;
47c14227	157	dtbprop = FDTPROP(PATHINF, "sync-ctrl");
fbd5aeda HP	158	if (dtbprop == 1)
fbd5aeda HP	159	pnltmp.pol \|= HSVS_CONTROL;
47c14227	160	dtbprop = FDTPROP(PATHINF, "sync-edge");
fbd5aeda HP	161	if (dtbprop == 1)
fbd5aeda HP	162	pnltmp.pol \|= HSVS_RISEFALL;
47c14227	163	dtbprop = FDTPROP(PATHTIM, "pixelclk-active");
fbd5aeda HP	164	if (dtbprop == 0)
fbd5aeda HP	165	pnltmp.pol \|= PXCLK_INVERT;
47c14227	166	dtbprop = FDTPROP(PATHTIM, "de-active");
fbd5aeda HP	167	if (dtbprop == 0)
fbd5aeda HP	168	pnltmp.pol \|= DE_INVERT;
d804452b HP	169
	170	nodeoff = fdt_path_offset(gd->fdt_blob, "/factory-settings");
	171	if (nodeoff >= 0) {
	172	nodep = fdt_getprop(gd->fdt_blob, nodeoff, "rotation", NULL);
	173	if (nodep != 0) {
	174	if (strcmp(nodep, "cw") == 0)
	175	panel_info.vl_rot = 1;
	176	else if (strcmp(nodep, "ud") == 0)
	177	panel_info.vl_rot = 2;
	178	else if (strcmp(nodep, "ccw") == 0)
	179	panel_info.vl_rot = 3;
	180	else
	181	panel_info.vl_rot = 0;
	182	}
	183	} else {
	184	puts("no 'factory-settings / rotation' in dtb!\n");
	185	}
	186	snprintf(buf, sizeof(buf), "fbcon=rotate:%d", panel_info.vl_rot);
	187	setenv("optargs_rot", buf);
fbd5aeda HP	188	#else
	189	pnltmp.hactive = getenv_ulong("ds1_hactive", 10, ~0UL);
	190	pnltmp.vactive = getenv_ulong("ds1_vactive", 10, ~0UL);
	191	pnltmp.bpp = getenv_ulong("ds1_bpp", 10, ~0UL);
	192	pnltmp.hfp = getenv_ulong("ds1_hfp", 10, ~0UL);
	193	pnltmp.hbp = getenv_ulong("ds1_hbp", 10, ~0UL);
	194	pnltmp.hsw = getenv_ulong("ds1_hsw", 10, ~0UL);
	195	pnltmp.vfp = getenv_ulong("ds1_vfp", 10, ~0UL);
	196	pnltmp.vbp = getenv_ulong("ds1_vbp", 10, ~0UL);
	197	pnltmp.vsw = getenv_ulong("ds1_vsw", 10, ~0UL);
	198	pnltmp.pxl_clk_div = getenv_ulong("ds1_pxlclkdiv", 10, ~0UL);
	199	pnltmp.pol = getenv_ulong("ds1_pol", 16, ~0UL);
	200	pnltmp.pup_delay = getenv_ulong("ds1_pupdelay", 10, ~0UL);
	201	pnltmp.pon_delay = getenv_ulong("ds1_tondelay", 10, ~0UL);
d804452b	202	panel_info.vl_rot = getenv_ulong("ds1_rotation", 10, 0);
fbd5aeda HP	203	#endif
	204	if (
	205	~0UL == (pnltmp.hactive) \|\|
	206	~0UL == (pnltmp.vactive) \|\|
	207	~0UL == (pnltmp.bpp) \|\|
	208	~0UL == (pnltmp.hfp) \|\|
	209	~0UL == (pnltmp.hbp) \|\|
	210	~0UL == (pnltmp.hsw) \|\|
	211	~0UL == (pnltmp.vfp) \|\|
	212	~0UL == (pnltmp.vbp) \|\|
	213	~0UL == (pnltmp.vsw) \|\|
	214	~0UL == (pnltmp.pxl_clk_div) \|\|
	215	~0UL == (pnltmp.pol) \|\|
	216	~0UL == (pnltmp.pup_delay) \|\|
	217	~0UL == (pnltmp.pon_delay)
	218	) {
	219	puts("lcd-settings in env/dtb incomplete!\n");
	220	printf("display-timings:\n"
	221	"================\n"
	222	"hactive: %d\n"
	223	"vactive: %d\n"
	224	"bpp : %d\n"
	225	"hfp : %d\n"
	226	"hbp : %d\n"
	227	"hsw : %d\n"
	228	"vfp : %d\n"
	229	"vbp : %d\n"
	230	"vsw : %d\n"
	231	"pxlclk : %d\n"
	232	"pol : 0x%08x\n"
	233	"pondly : %d\n",
	234	pnltmp.hactive, pnltmp.vactive, pnltmp.bpp,
	235	pnltmp.hfp, pnltmp.hbp, pnltmp.hsw,
	236	pnltmp.vfp, pnltmp.vbp, pnltmp.vsw,
	237	pnltmp.pxl_clk_div, pnltmp.pol, pnltmp.pon_delay);
	238
	239	return -1;
	240	}
	241	debug("lcd-settings in env complete, taking over.\n");
	242	memcpy((void *)panel,
	243	(void *)&pnltmp,
	244	sizeof(struct am335x_lcdpanel));
	245
	246	return 0;
	247	}
	248
	249	#ifdef CONFIG_USE_FDT
	250	static int load_devicetree(void)
	251	{
47c14227	252	int rc;
fbd5aeda	253	loff_t dtbsize;
d79c138c	254	u32 dtbaddr = getenv_ulong("dtbaddr", 16, 0UL);
fbd5aeda	255
47c14227 HP	256	if (dtbaddr == 0) {
	257	printf("%s: don't have a valid <dtbaddr> in env!\n", __func__);
	258	return -1;
	259	}
d79c138c HP	260	#ifdef CONFIG_NAND
d79c138c HP	261	dtbsize = 0x20000;
b616d9b0	262	rc = nand_read_skip_bad(nand_info[0], 0x40000, (size_t *)&dtbsize,
d79c138c HP	263	NULL, 0x20000, (u_char *)dtbaddr);
	264	#else
	265	char *dtbname = getenv("dtb");
	266	char *dtbdev = getenv("dtbdev");
169b50ef	267	char *dtbpart = getenv("dtbpart");
169b50ef	268	if (!dtbdev \|\| !dtbpart \|\| !dtbname) {
47c14227	269	printf("%s: <dtbdev>/<dtbpart>/<dtb> missing.\n", __func__);
fbd5aeda HP	270	return -1;
	271	}
	272
169b50ef	273	if (fs_set_blk_dev(dtbdev, dtbpart, FS_TYPE_EXT)) {
fbd5aeda HP	274	puts("load_devicetree: set_blk_dev failed.\n");
	275	return -1;
	276	}
47c14227	277	rc = fs_read(dtbname, (u32)dtbaddr, 0, 0, &dtbsize);
d79c138c	278	#endif
47c14227 HP	279	if (rc == 0) {
	280	gd->fdt_blob = (void *)dtbaddr;
	281	gd->fdt_size = dtbsize;
	282	debug("loaded %d bytes of dtb onto 0x%08x\n",
	283	(u32)dtbsize, (u32)gd->fdt_blob);
	284	return dtbsize;
fbd5aeda HP	285	}
fbd5aeda HP	286
47c14227	287	printf("%s: load dtb failed!\n", __func__);
fbd5aeda HP	288	return -1;
	289	}
	290
	291	static const char *dtbmacaddr(u32 ifno)
	292	{
	293	int node, len;
	294	char enet[16];
	295	const char *mac;
	296	const char *path;
fbd5aeda	297
47c14227 HP	298	if (gd->fdt_blob == NULL) {
47c14227 HP	299	printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
fbd5aeda HP	300	return NULL;
	301	}
	302
47c14227	303	node = fdt_path_offset(gd->fdt_blob, "/aliases");
fbd5aeda HP	304	if (node < 0)
	305	return NULL;
	306
	307	sprintf(enet, "ethernet%d", ifno);
47c14227	308	path = fdt_getprop(gd->fdt_blob, node, enet, NULL);
fbd5aeda HP	309	if (!path) {
	310	printf("no alias for %s\n", enet);
	311	return NULL;
	312	}
	313
47c14227 HP	314	node = fdt_path_offset(gd->fdt_blob, path);
47c14227 HP	315	mac = fdt_getprop(gd->fdt_blob, node, "mac-address", &len);
0adb5b76	316	if (mac && is_valid_ethaddr((u8 *)mac))
fbd5aeda HP	317	return mac;
	318
	319	return NULL;
	320	}
	321
	322	static void br_summaryscreen_printdtb(char *prefix,
	323	char *name,
	324	char *suffix)
	325	{
fbd5aeda HP	326	char buf[32] = { 0 };
	327	const char *nodep = buf;
	328	char *mac = 0;
	329	int nodeoffset;
	330	int len;
	331
47c14227 HP	332	if (gd->fdt_blob == NULL) {
47c14227 HP	333	printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
fbd5aeda HP	334	return;
	335	}
	336
	337	if (strcmp(name, "brmac1") == 0) {
	338	mac = (char *)dtbmacaddr(0);
	339	if (mac)
	340	sprintf(buf, "%pM", mac);
	341	} else if (strcmp(name, "brmac2") == 0) {
	342	mac = (char *)dtbmacaddr(1);
	343	if (mac)
	344	sprintf(buf, "%pM", mac);
	345	} else {
47c14227	346	nodeoffset = fdt_path_offset(gd->fdt_blob,
fbd5aeda HP	347	"/factory-settings");
	348	if (nodeoffset < 0) {
	349	puts("no 'factory-settings' in dtb!\n");
	350	return;
	351	}
47c14227	352	nodep = fdt_getprop(gd->fdt_blob, nodeoffset, name, &len);
fbd5aeda HP	353	}
	354	if (nodep && strlen(nodep) > 1)
	355	lcd_printf("%s %s %s", prefix, nodep, suffix);
	356	else
	357	lcd_printf("\n");
	358	}
	359	int ft_board_setup(void blob, bd_t bd)
	360	{
	361	int nodeoffset;
	362
	363	nodeoffset = fdt_path_offset(blob, "/factory-settings");
	364	if (nodeoffset < 0) {
	365	puts("set bootloader version 'factory-settings' not in dtb!\n");
	366	return -1;
	367	}
	368	if (fdt_setprop(blob, nodeoffset, "bl-version",
	369	PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) {
	370	puts("set bootloader version 'bl-version' prop. not in dtb!\n");
	371	return -1;
	372	}
99f72472 HP	373	/*
	374	* if no simplefb is requested through environment, we don't set up
	375	* one, instead we turn off backlight.
	376	*/
	377	if (getenv_ulong("simplefb", 10, 0) == 0) {
	378	lcdbacklight(0);
	379	return 0;
	380	}
	381	/* Setup simplefb devicetree node, also adapt memory-node,
	382	* upper limit for kernel e.g. linux is memtop-framebuffer alligned
	383	* to a full megabyte.
	384	*/
	385	u64 start = gd->bd->bi_dram[0].start;
	386	u64 size = (gd->fb_base - start) & ~0xFFFFF;
	387	int rc = fdt_fixup_memory_banks(blob, &start, &size, 1);
	388
	389	if (rc) {
	390	puts("cannot setup simplefb: Error reserving memory!\n");
	391	return rc;
	392	}
	393	rc = lcd_dt_simplefb_enable_existing_node(blob);
	394	if (rc) {
	395	puts("cannot setup simplefb: error enabling simplefb node!\n");
	396	return rc;
	397	}
	398
fbd5aeda HP	399	return 0;
	400	}
	401	#else
	402
	403	static void br_summaryscreen_printenv(char *prefix,
	404	char name, char altname,
	405	char *suffix)
	406	{
	407	char *envval = getenv(name);
	408	if (0 != envval) {
	409	lcd_printf("%s %s %s", prefix, envval, suffix);
	410	} else if (0 != altname) {
	411	envval = getenv(altname);
	412	if (0 != envval)
	413	lcd_printf("%s %s %s", prefix, envval, suffix);
	414	} else {
	415	lcd_printf("\n");
	416	}
	417	}
	418	#endif
	419	void br_summaryscreen(void)
	420	{
	421	#ifdef CONFIG_USE_FDT
	422	br_summaryscreen_printdtb(" - B&R -", "order-no", "-\n");
	423	br_summaryscreen_printdtb(" Serial/Rev :", "serial-no", " /");
	424	br_summaryscreen_printdtb(" ", "hw-revision", "\n");
	425	br_summaryscreen_printdtb(" MAC (IF1) :", "brmac1", "\n");
	426	br_summaryscreen_printdtb(" MAC (IF2) :", "brmac2", "\n");
	427	lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
	428	lcd_puts("\n");
	429	#else
	430	br_summaryscreen_printenv(" - B&R -", "br_orderno", 0, "-\n");
	431	br_summaryscreen_printenv(" Serial/Rev :", "br_serial", 0, "\n");
	432	br_summaryscreen_printenv(" MAC (IF1) :", "br_mac1", "ethaddr", "\n");
	433	br_summaryscreen_printenv(" MAC (IF2) :", "br_mac2", 0, "\n");
	434	lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
	435	lcd_puts("\n");
	436	#endif
	437	}
	438
	439	void lcdpower(int on)
	440	{
	441	u32 pin, swval, i;
	442	#ifdef CONFIG_USE_FDT
47c14227 HP	443	if (gd->fdt_blob == NULL) {
47c14227 HP	444	printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
fbd5aeda HP	445	return;
fbd5aeda HP	446	}
47c14227	447	pin = FDTPROP(PATHINF, "pwrpin");
fbd5aeda HP	448	#else
	449	pin = getenv_ulong("ds1_pwr", 16, ~0UL);
	450	#endif
	451	if (pin == ~0UL) {
	452	puts("no pwrpin in dtb/env, cannot powerup display!\n");
	453	return;
	454	}
	455
	456	for (i = 0; i < 3; i++) {
	457	if (pin != 0) {
	458	swval = pin & 0x80 ? 0 : 1;
	459	if (on)
	460	gpio_direction_output(pin & 0x7F, swval);
	461	else
	462	gpio_direction_output(pin & 0x7F, !swval);
	463
	464	debug("switched pin %d to %d\n", pin & 0x7F, swval);
	465	}
	466	pin >>= 8;
	467	}
	468	}
	469
	470	vidinfo_t panel_info = {
	471	.vl_col = 1366, /*
	472	* give full resolution for allocating enough
	473	* memory
	474	*/
	475	.vl_row = 768,
	476	.vl_bpix = 5,
	477	.priv = 0
	478	};
	479
	480	void lcd_ctrl_init(void *lcdbase)
	481	{
	482	struct am335x_lcdpanel lcd_panel;
	483	#ifdef CONFIG_USE_FDT
	484	/* TODO: is there a better place to load the dtb ? */
	485	load_devicetree();
	486	#endif
	487	memset(&lcd_panel, 0, sizeof(struct am335x_lcdpanel));
	488	if (load_lcdtiming(&lcd_panel) != 0)
	489	return;
	490
	491	lcd_panel.panel_power_ctrl = &lcdpower;
	492
	493	if (0 != am335xfb_init(&lcd_panel))
	494	printf("ERROR: failed to initialize video!");
	495	/*
	496	* modifiy panel info to 'real' resolution, to operate correct with
	497	* lcd-framework.
	498	*/
	499	panel_info.vl_col = lcd_panel.hactive;
	500	panel_info.vl_row = lcd_panel.vactive;
	501
	502	lcd_set_flush_dcache(1);
	503	}
	504
	505	void lcd_enable(void)
	506	{
fbd5aeda	507	br_summaryscreen();
99f72472	508	lcdbacklight(1);
fbd5aeda HP	509	}
	510	#elif CONFIG_SPL_BUILD
	511	#else
	512	#error "LCD-support with a suitable FB-Driver is mandatory !"
	513	#endif /* CONFIG_LCD */
	514
893c04e1 HP	515	#ifdef CONFIG_SPL_BUILD
	516	void pmicsetup(u32 mpupll)
	517	{
	518	int mpu_vdd;
	519	int usb_cur_lim;
	520
893c04e1 HP	521	if (i2c_probe(TPS65217_CHIP_PM)) {
	522	puts("PMIC (0x24) not found! skip further initalization.\n");
	523	return;
	524	}
	525
	526	/* Get the frequency which is defined by device fuses */
	527	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
	528	printf("detected max. frequency: %d - ", dpll_mpu_opp100.m);
	529
	530	if (0 != mpupll) {
	531	dpll_mpu_opp100.m = MPUPLL_M_1000;
	532	printf("retuning MPU-PLL to: %d MHz.\n", dpll_mpu_opp100.m);
	533	} else {
	534	puts("ok.\n");
	535	}
	536	/*
	537	* Increase USB current limit to 1300mA or 1800mA and set
	538	* the MPU voltage controller as needed.
	539	*/
	540	if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
	541	usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
	542	mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
	543	} else {
	544	usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
	545	mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
	546	}
	547
	548	if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_POWER_PATH,
	549	usb_cur_lim, TPS65217_USB_INPUT_CUR_LIMIT_MASK))
	550	puts("tps65217_reg_write failure\n");
	551
	552	/* Set DCDC3 (CORE) voltage to 1.125V */
	553	if (tps65217_voltage_update(TPS65217_DEFDCDC3,
	554	TPS65217_DCDC_VOLT_SEL_1125MV)) {
	555	puts("tps65217_voltage_update failure\n");
	556	return;
	557	}
	558
	559	/* Set CORE Frequencies to OPP100 */
	560	do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
	561
	562	/* Set DCDC2 (MPU) voltage */
	563	if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
	564	puts("tps65217_voltage_update failure\n");
	565	return;
	566	}
	567
	568	/* Set LDO3 to 1.8V */
	569	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
	570	TPS65217_DEFLS1,
	571	TPS65217_LDO_VOLTAGE_OUT_1_8,
	572	TPS65217_LDO_MASK))
	573	puts("tps65217_reg_write failure\n");
	574	/* Set LDO4 to 3.3V */
	575	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
	576	TPS65217_DEFLS2,
	577	TPS65217_LDO_VOLTAGE_OUT_3_3,
	578	TPS65217_LDO_MASK))
	579	puts("tps65217_reg_write failure\n");
	580
	581	/* Set MPU Frequency to what we detected now that voltages are set */
	582	do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
fbd5aeda HP	583	/* Set PWR_EN bit in Status Register */
	584	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
	585	TPS65217_STATUS, TPS65217_PWR_OFF, TPS65217_PWR_OFF);
893c04e1 HP	586	}
	587
	588	void set_uart_mux_conf(void)
	589	{
	590	enable_uart0_pin_mux();
	591	}
	592
	593	void set_mux_conf_regs(void)
	594	{
	595	enable_board_pin_mux();
	596	}
	597
	598	#endif /* CONFIG_SPL_BUILD */
	599
	600	#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) \|\| \
	601	(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
	602	static void cpsw_control(int enabled)
	603	{
	604	/* VTP can be added here */
	605	return;
	606	}
	607
	608	/* describing port offsets of TI's CPSW block */
	609	static struct cpsw_slave_data cpsw_slaves[] = {
	610	{
	611	.slave_reg_ofs = 0x208,
	612	.sliver_reg_ofs = 0xd80,
4b75fd51	613	.phy_addr = 1,
893c04e1 HP	614	},
	615	{
	616	.slave_reg_ofs = 0x308,
	617	.sliver_reg_ofs = 0xdc0,
4b75fd51	618	.phy_addr = 2,
893c04e1 HP	619	},
	620	};
	621
	622	static struct cpsw_platform_data cpsw_data = {
	623	.mdio_base = CPSW_MDIO_BASE,
	624	.cpsw_base = CPSW_BASE,
	625	.mdio_div = 0xff,
	626	.channels = 8,
	627	.cpdma_reg_ofs = 0x800,
	628	.slaves = 1,
	629	.slave_data = cpsw_slaves,
	630	.ale_reg_ofs = 0xd00,
	631	.ale_entries = 1024,
	632	.host_port_reg_ofs = 0x108,
	633	.hw_stats_reg_ofs = 0x900,
	634	.bd_ram_ofs = 0x2000,
	635	.mac_control = (1 << 5),
	636	.control = cpsw_control,
	637	.host_port_num = 0,
	638	.version = CPSW_CTRL_VERSION_2,
	639	};
	640	#endif /* CONFIG_DRIVER_TI_CPSW, ... */
	641
568cfb4d	642	#if defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)
893c04e1 HP	643	int board_eth_init(bd_t *bis)
	644	{
	645	int rv = 0;
d301425f HP	646	char mac_addr[6];
d301425f HP	647	const char *mac = 0;
893c04e1	648	uint32_t mac_hi, mac_lo;
893c04e1 HP	649	/* try reading mac address from efuse */
	650	mac_lo = readl(&cdev->macid0l);
	651	mac_hi = readl(&cdev->macid0h);
	652	mac_addr[0] = mac_hi & 0xFF;
	653	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
	654	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
	655	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
	656	mac_addr[4] = mac_lo & 0xFF;
	657	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
	658
893c04e1	659	if (!getenv("ethaddr")) {
d301425f HP	660	#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_FDT)
	661	printf("<ethaddr> not set. trying DTB ... ");
	662	mac = dtbmacaddr(0);
	663	#endif
	664	if (!mac) {
	665	printf("<ethaddr> not set. validating E-fuse MAC ... ");
0adb5b76	666	if (is_valid_ethaddr((const u8 *)mac_addr))
d301425f HP	667	mac = (const char *)mac_addr;
	668	}
	669
	670	if (mac) {
	671	printf("using: %pM on ", mac);
	672	eth_setenv_enetaddr("ethaddr", (const u8 *)mac);
893c04e1 HP	673	}
	674	}
	675	writel(MII_MODE_ENABLE, &cdev->miisel);
	676	cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_MII;
	677	cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_MII;
	678
	679	rv = cpsw_register(&cpsw_data);
	680	if (rv < 0) {
	681	printf("Error %d registering CPSW switch\n", rv);
	682	return 0;
	683	}
893c04e1 HP	684	return rv;
893c04e1 HP	685	}
568cfb4d	686	#endif /* defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD) */
4aa2ba3a	687	#if defined(CONFIG_MMC)
46c8ebc8 HP	688	int board_mmc_init(bd_t *bis)
	689	{
	690	return omap_mmc_init(1, 0, 0, -1, -1);
	691	}
	692	#endif
e52e9cc7 HP	693	int overwrite_console(void)
	694	{
	695	return 1;
	696	}