board/siemens/draco/board.c - platform/external/u-boot - Gitiles

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Board functions for TI AM335X based draco board
  * (C) Copyright 2013 Siemens Schweiz AG
  * (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
  *
  * Based on:
  *
  * Board functions for TI AM335X based boards
  * u-boot:/board/ti/am335x/board.c
  *
  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
  */

 #include <common.h>
 #include <env.h>
 #include <errno.h>
 #include <init.h>
 #include <spl.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/omap.h>
 #include <asm/arch/ddr_defs.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/mem.h>
 #include <asm/io.h>
 #include <asm/emif.h>
 #include <asm/gpio.h>
 #include <i2c.h>
 #include <miiphy.h>
 #include <cpsw.h>
 #include <watchdog.h>
 #include "board.h"
 #include "../common/factoryset.h"
 #include <nand.h>

 #ifdef CONFIG_SPL_BUILD
 static struct draco_baseboard_id __attribute__((section(".data"))) settings;

 #if DDR_PLL_FREQ == 303
 #if !defined(CONFIG_TARGET_ETAMIN)
 /* Default@303MHz-i0 */
 const struct ddr3_data ddr3_default = {
 	0x33524444, 0x56312e35, 0x0080, 0x0000, 0x003A, 0x003F, 0x009F,
 	0x0079, 0x0888A39B, 0x26517FDA, 0x501F84EF, 0x00100206, 0x61A44A32,
 	0x0000093B, 0x0000014A,
 	"default name @303MHz           \0",
 	"default marking                \0",
 };
 #else
 /* etamin board */
 const struct ddr3_data ddr3_default = {
 	0x33524444, 0x56312e36, 0x0080, 0x0000, 0x003A, 0x0010, 0x009F,
 	0x0050, 0x0888A39B, 0x266D7FDA, 0x501F86AF, 0x00100206, 0x61A44BB2,
 	0x0000093B, 0x0000018A,
 	"test-etamin                    \0",
 	"generic-8Gbit                  \0",
 };
 #endif
 #elif DDR_PLL_FREQ == 400
 /* Default@400MHz-i0 */
 const struct ddr3_data ddr3_default = {
 	0x33524444, 0x56312e35, 0x0080, 0x0000, 0x0039, 0x0046, 0x00ab,
 	0x0080, 0x0AAAA4DB, 0x26307FDA, 0x501F821F, 0x00100207, 0x61A45232,
 	0x00000618, 0x0000014A,
 	"default name @400MHz           \0",
 	"default marking                \0",
 };
 #endif

 static void set_default_ddr3_timings(void)
 {
 	printf("Set default DDR3 settings\n");
 	settings.ddr3 = ddr3_default;
 }

 static void print_ddr3_timings(void)
 {
 	printf("\nDDR3\n");
 	printf("clock:\t\t%d MHz\n", DDR_PLL_FREQ);
 	printf("device:\t\t%s\n", settings.ddr3.manu_name);
 	printf("marking:\t%s\n", settings.ddr3.manu_marking);
 	printf("%-20s, %-8s, %-8s, %-4s\n", "timing parameters", "eeprom",
 	       "default", "diff");
 	PRINTARGS(magic);
 	PRINTARGS(version);
 	PRINTARGS(ddr3_sratio);
 	PRINTARGS(iclkout);

 	PRINTARGS(dt0rdsratio0);
 	PRINTARGS(dt0wdsratio0);
 	PRINTARGS(dt0fwsratio0);
 	PRINTARGS(dt0wrsratio0);

 	PRINTARGS(sdram_tim1);
 	PRINTARGS(sdram_tim2);
 	PRINTARGS(sdram_tim3);

 	PRINTARGS(emif_ddr_phy_ctlr_1);

 	PRINTARGS(sdram_config);
 	PRINTARGS(ref_ctrl);
 	PRINTARGS(ioctr_val);
 }

 static void print_chip_data(void)
 {
 	struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
 	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
 	printf("\nCPU BOARD\n");
 	printf("device: \t'%s'\n", settings.chip.sdevname);
 	printf("hw version: \t'%s'\n", settings.chip.shwver);
 	printf("max freq: \t%d MHz\n", dpll_mpu_opp100.m);
 }
 #endif /* CONFIG_SPL_BUILD */

 #define AM335X_NAND_ECC_MASK 0x0f
 #define AM335X_NAND_ECC_TYPE_16 0x02

 static int ecc_type;

 struct am335x_nand_geometry {
 	u32 magic;
 	u8 nand_geo_addr;
 	u8 nand_geo_page;
 	u8 nand_bus;
 };

 static int draco_read_nand_geometry(void)
 {
 	struct am335x_nand_geometry geo;

 	/* Read NAND geometry */
 	if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0x80, 2,
 		     (uchar *)&geo, sizeof(struct am335x_nand_geometry))) {
 		printf("Could not read the NAND geomtery; something fundamentally wrong on the I2C bus.\n");
 		return -EIO;
 	}
 	if (geo.magic != 0xa657b310) {
 		printf("%s: bad magic: %x\n", __func__, geo.magic);
 		return -EFAULT;
 	}
 	if ((geo.nand_bus & AM335X_NAND_ECC_MASK) == AM335X_NAND_ECC_TYPE_16)
 		ecc_type = 16;
 	else
 		ecc_type = 8;

 	return 0;
 }

 /*
  * Read header information from EEPROM into global structure.
  */
 static int read_eeprom(void)
 {
 	/* Check if baseboard eeprom is available */
 	if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
 		printf("Could not probe the EEPROM; something fundamentally wrong on the I2C bus.\n");
 		return 1;
 	}

 #ifdef CONFIG_SPL_BUILD
 	/* Read Siemens eeprom data (DDR3) */
 	if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, EEPROM_ADDR_DDR3, 2,
 		     (uchar *)&settings.ddr3, sizeof(struct ddr3_data))) {
 		printf("Could not read the EEPROM; something fundamentally wrong on the I2C bus.\nUse default DDR3 timings\n");
 		set_default_ddr3_timings();
 	}
 	/* Read Siemens eeprom data (CHIP) */
 	if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, EEPROM_ADDR_CHIP, 2,
 		     (uchar *)&settings.chip, sizeof(settings.chip)))
 		printf("Could not read chip settings\n");

 	if (ddr3_default.magic == settings.ddr3.magic &&
 	    ddr3_default.version == settings.ddr3.version) {
 		printf("Using DDR3 settings from EEPROM\n");
 	} else {
 		if (ddr3_default.magic != settings.ddr3.magic)
 			printf("Warning: No valid DDR3 data in eeprom.\n");
 		if (ddr3_default.version != settings.ddr3.version)
 			printf("Warning: DDR3 data version does not match.\n");

 		printf("Using default settings\n");
 		set_default_ddr3_timings();
 	}

 	if (MAGIC_CHIP == settings.chip.magic)
 		print_chip_data();
 	else
 		printf("Warning: No chip data in eeprom\n");

 	print_ddr3_timings();

 	return draco_read_nand_geometry();
 #endif
 	return 0;
 }

 #ifdef CONFIG_SPL_BUILD
 static void board_init_ddr(void)
 {
 struct emif_regs draco_ddr3_emif_reg_data = {
 	.zq_config = 0x50074BE4,
 };

 struct ddr_data draco_ddr3_data = {
 };

 struct cmd_control draco_ddr3_cmd_ctrl_data = {
 };

 struct ctrl_ioregs draco_ddr3_ioregs = {
 };

 	/* pass values from eeprom */
 	draco_ddr3_emif_reg_data.sdram_tim1 = settings.ddr3.sdram_tim1;
 	draco_ddr3_emif_reg_data.sdram_tim2 = settings.ddr3.sdram_tim2;
 	draco_ddr3_emif_reg_data.sdram_tim3 = settings.ddr3.sdram_tim3;
 	draco_ddr3_emif_reg_data.emif_ddr_phy_ctlr_1 =
 		settings.ddr3.emif_ddr_phy_ctlr_1;
 	draco_ddr3_emif_reg_data.sdram_config = settings.ddr3.sdram_config;
 	draco_ddr3_emif_reg_data.sdram_config2 = 0x08000000;
 	draco_ddr3_emif_reg_data.ref_ctrl = settings.ddr3.ref_ctrl;

 	draco_ddr3_data.datardsratio0 = settings.ddr3.dt0rdsratio0;
 	draco_ddr3_data.datawdsratio0 = settings.ddr3.dt0wdsratio0;
 	draco_ddr3_data.datafwsratio0 = settings.ddr3.dt0fwsratio0;
 	draco_ddr3_data.datawrsratio0 = settings.ddr3.dt0wrsratio0;

 	draco_ddr3_cmd_ctrl_data.cmd0csratio = settings.ddr3.ddr3_sratio;
 	draco_ddr3_cmd_ctrl_data.cmd0iclkout = settings.ddr3.iclkout;
 	draco_ddr3_cmd_ctrl_data.cmd1csratio = settings.ddr3.ddr3_sratio;
 	draco_ddr3_cmd_ctrl_data.cmd1iclkout = settings.ddr3.iclkout;
 	draco_ddr3_cmd_ctrl_data.cmd2csratio = settings.ddr3.ddr3_sratio;
 	draco_ddr3_cmd_ctrl_data.cmd2iclkout = settings.ddr3.iclkout;

 	draco_ddr3_ioregs.cm0ioctl = settings.ddr3.ioctr_val,
 	draco_ddr3_ioregs.cm1ioctl = settings.ddr3.ioctr_val,
 	draco_ddr3_ioregs.cm2ioctl = settings.ddr3.ioctr_val,
 	draco_ddr3_ioregs.dt0ioctl = settings.ddr3.ioctr_val,
 	draco_ddr3_ioregs.dt1ioctl = settings.ddr3.ioctr_val,

 	config_ddr(DDR_PLL_FREQ, &draco_ddr3_ioregs, &draco_ddr3_data,
 		   &draco_ddr3_cmd_ctrl_data, &draco_ddr3_emif_reg_data, 0);
 }

 static void spl_siemens_board_init(void)
 {
 	return;
 }
 #endif /* if def CONFIG_SPL_BUILD */

 #ifdef CONFIG_BOARD_LATE_INIT
 int board_late_init(void)
 {
 	int ret;

 	ret = draco_read_nand_geometry();
 	if (ret != 0)
 		return ret;

 	nand_curr_device = 0;
 	omap_nand_switch_ecc(1, ecc_type);
 #ifdef CONFIG_TARGET_ETAMIN
 	nand_curr_device = 1;
 	omap_nand_switch_ecc(1, ecc_type);
 #endif
 #ifdef CONFIG_FACTORYSET
 	/* Set ASN in environment*/
 	if (factory_dat.asn[0] != 0) {
 		env_set("dtb_name", (char *)factory_dat.asn);
 	} else {
 		/* dtb suffix gets added in load script */
 		env_set("dtb_name", "am335x-draco");
 	}
 #else
 	env_set("dtb_name", "am335x-draco");
 #endif

 	return 0;
 }
 #endif

 #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;
 }

 static struct cpsw_slave_data cpsw_slaves[] = {
 	{
 		.slave_reg_ofs	= 0x208,
 		.sliver_reg_ofs	= 0xd80,
 		.phy_addr	= 0,
 		.phy_if		= PHY_INTERFACE_MODE_MII,
 	},
 };

 static struct cpsw_platform_data cpsw_data = {
 	.mdio_base		= CPSW_MDIO_BASE,
 	.cpsw_base		= CPSW_BASE,
 	.mdio_div		= 0xff,
 	.channels		= 4,
 	.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,
 };

 #if defined(CONFIG_DRIVER_TI_CPSW) || \
 	(defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET))
 int board_eth_init(bd_t *bis)
 {
 	struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
 	int n = 0;
 	int rv;

 	factoryset_env_set();

 	/* Set rgmii mode and enable rmii clock to be sourced from chip */
 	writel((RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE), &cdev->miisel);

 	rv = cpsw_register(&cpsw_data);
 	if (rv < 0)
 		printf("Error %d registering CPSW switch\n", rv);
 	else
 		n += rv;
 	return n;
 }

 static int do_switch_reset(cmd_tbl_t *cmdtp, int flag, int argc,
 			  char *const argv[])
 {
 	/* Reset SMSC LAN9303 switch for default configuration */
 	gpio_request(GPIO_LAN9303_NRST, "nRST");
 	gpio_direction_output(GPIO_LAN9303_NRST, 0);
 	/* assert active low reset for 200us */
 	udelay(200);
 	gpio_set_value(GPIO_LAN9303_NRST, 1);

 	return 0;
 };

 U_BOOT_CMD(
 	switch_rst, CONFIG_SYS_MAXARGS, 1,	do_switch_reset,
 	"Reset LAN9303 switch via its reset pin",
 	""
 );
 #endif /* #if defined(CONFIG_DRIVER_TI_CPSW) */
 #endif /* #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) */

 #ifdef CONFIG_NAND_CS_INIT
 /* GPMC definitions for second nand cs1 */
 static const u32 gpmc_nand_config[] = {
 	ETAMIN_NAND_GPMC_CONFIG1,
 	ETAMIN_NAND_GPMC_CONFIG2,
 	ETAMIN_NAND_GPMC_CONFIG3,
 	ETAMIN_NAND_GPMC_CONFIG4,
 	ETAMIN_NAND_GPMC_CONFIG5,
 	ETAMIN_NAND_GPMC_CONFIG6,
 	/*CONFIG7- computed as params */
 };

 static void board_nand_cs_init(void)
 {
 	enable_gpmc_cs_config(gpmc_nand_config, &gpmc_cfg->cs[1],
 			      0x18000000, GPMC_SIZE_16M);
 }
 #endif

 #include "../common/board.c"
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Board functions for TI AM335X based draco board
	* (C) Copyright 2013 Siemens Schweiz AG
	* (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
	*
	* Based on:
	*
	* Board functions for TI AM335X based boards
	* u-boot:/board/ti/am335x/board.c
	*
	* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
	*/

	#include <common.h>
	#include <env.h>
	#include <errno.h>
	#include <init.h>
	#include <spl.h>
	#include <asm/arch/cpu.h>
	#include <asm/arch/hardware.h>
	#include <asm/arch/omap.h>
	#include <asm/arch/ddr_defs.h>
	#include <asm/arch/clock.h>
	#include <asm/arch/gpio.h>
	#include <asm/arch/mmc_host_def.h>
	#include <asm/arch/sys_proto.h>
	#include <asm/arch/mem.h>
	#include <asm/io.h>
	#include <asm/emif.h>
	#include <asm/gpio.h>
	#include <i2c.h>
	#include <miiphy.h>
	#include <cpsw.h>
	#include <watchdog.h>
	#include "board.h"
	#include "../common/factoryset.h"
	#include <nand.h>

	#ifdef CONFIG_SPL_BUILD
	static struct draco_baseboard_id __attribute__((section(".data"))) settings;

	#if DDR_PLL_FREQ == 303
	#if !defined(CONFIG_TARGET_ETAMIN)
	/* Default@303MHz-i0 */
	const struct ddr3_data ddr3_default = {
	0x33524444, 0x56312e35, 0x0080, 0x0000, 0x003A, 0x003F, 0x009F,
	0x0079, 0x0888A39B, 0x26517FDA, 0x501F84EF, 0x00100206, 0x61A44A32,
	0x0000093B, 0x0000014A,
	"default name @303MHz \0",
	"default marking \0",
	};
	#else
	/* etamin board */
	const struct ddr3_data ddr3_default = {
	0x33524444, 0x56312e36, 0x0080, 0x0000, 0x003A, 0x0010, 0x009F,
	0x0050, 0x0888A39B, 0x266D7FDA, 0x501F86AF, 0x00100206, 0x61A44BB2,
	0x0000093B, 0x0000018A,
	"test-etamin \0",
	"generic-8Gbit \0",
	};
	#endif
	#elif DDR_PLL_FREQ == 400
	/* Default@400MHz-i0 */
	const struct ddr3_data ddr3_default = {
	0x33524444, 0x56312e35, 0x0080, 0x0000, 0x0039, 0x0046, 0x00ab,
	0x0080, 0x0AAAA4DB, 0x26307FDA, 0x501F821F, 0x00100207, 0x61A45232,
	0x00000618, 0x0000014A,
	"default name @400MHz \0",
	"default marking \0",
	};
	#endif

	static void set_default_ddr3_timings(void)
	{
	printf("Set default DDR3 settings\n");
	settings.ddr3 = ddr3_default;
	}

	static void print_ddr3_timings(void)
	{
	printf("\nDDR3\n");
	printf("clock:\t\t%d MHz\n", DDR_PLL_FREQ);
	printf("device:\t\t%s\n", settings.ddr3.manu_name);
	printf("marking:\t%s\n", settings.ddr3.manu_marking);
	printf("%-20s, %-8s, %-8s, %-4s\n", "timing parameters", "eeprom",
	"default", "diff");
	PRINTARGS(magic);
	PRINTARGS(version);
	PRINTARGS(ddr3_sratio);
	PRINTARGS(iclkout);

	PRINTARGS(dt0rdsratio0);
	PRINTARGS(dt0wdsratio0);
	PRINTARGS(dt0fwsratio0);
	PRINTARGS(dt0wrsratio0);

	PRINTARGS(sdram_tim1);
	PRINTARGS(sdram_tim2);
	PRINTARGS(sdram_tim3);

	PRINTARGS(emif_ddr_phy_ctlr_1);

	PRINTARGS(sdram_config);
	PRINTARGS(ref_ctrl);
	PRINTARGS(ioctr_val);
	}

	static void print_chip_data(void)
	{
	struct ctrl_dev cdev = (struct ctrl_dev )CTRL_DEVICE_BASE;
	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
	printf("\nCPU BOARD\n");
	printf("device: \t'%s'\n", settings.chip.sdevname);
	printf("hw version: \t'%s'\n", settings.chip.shwver);
	printf("max freq: \t%d MHz\n", dpll_mpu_opp100.m);
	}
	#endif /* CONFIG_SPL_BUILD */

	#define AM335X_NAND_ECC_MASK 0x0f
	#define AM335X_NAND_ECC_TYPE_16 0x02

	static int ecc_type;

	struct am335x_nand_geometry {
	u32 magic;
	u8 nand_geo_addr;
	u8 nand_geo_page;
	u8 nand_bus;
	};

	static int draco_read_nand_geometry(void)
	{
	struct am335x_nand_geometry geo;

	/* Read NAND geometry */
	if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0x80, 2,
	(uchar *)&geo, sizeof(struct am335x_nand_geometry))) {
	printf("Could not read the NAND geomtery; something fundamentally wrong on the I2C bus.\n");
	return -EIO;
	}
	if (geo.magic != 0xa657b310) {
	printf("%s: bad magic: %x\n", __func__, geo.magic);
	return -EFAULT;
	}
	if ((geo.nand_bus & AM335X_NAND_ECC_MASK) == AM335X_NAND_ECC_TYPE_16)
	ecc_type = 16;
	else
	ecc_type = 8;

	return 0;
	}

	/*
	* Read header information from EEPROM into global structure.
	*/
	static int read_eeprom(void)
	{
	/* Check if baseboard eeprom is available */
	if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
	printf("Could not probe the EEPROM; something fundamentally wrong on the I2C bus.\n");
	return 1;
	}

	#ifdef CONFIG_SPL_BUILD
	/* Read Siemens eeprom data (DDR3) */
	if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, EEPROM_ADDR_DDR3, 2,
	(uchar *)&settings.ddr3, sizeof(struct ddr3_data))) {
	printf("Could not read the EEPROM; something fundamentally wrong on the I2C bus.\nUse default DDR3 timings\n");
	set_default_ddr3_timings();
	}
	/* Read Siemens eeprom data (CHIP) */
	if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, EEPROM_ADDR_CHIP, 2,
	(uchar *)&settings.chip, sizeof(settings.chip)))
	printf("Could not read chip settings\n");

	if (ddr3_default.magic == settings.ddr3.magic &&
	ddr3_default.version == settings.ddr3.version) {
	printf("Using DDR3 settings from EEPROM\n");
	} else {
	if (ddr3_default.magic != settings.ddr3.magic)
	printf("Warning: No valid DDR3 data in eeprom.\n");
	if (ddr3_default.version != settings.ddr3.version)
	printf("Warning: DDR3 data version does not match.\n");

	printf("Using default settings\n");
	set_default_ddr3_timings();
	}

	if (MAGIC_CHIP == settings.chip.magic)
	print_chip_data();
	else
	printf("Warning: No chip data in eeprom\n");

	print_ddr3_timings();

	return draco_read_nand_geometry();
	#endif
	return 0;
	}

	#ifdef CONFIG_SPL_BUILD
	static void board_init_ddr(void)
	{
	struct emif_regs draco_ddr3_emif_reg_data = {
	.zq_config = 0x50074BE4,
	};

	struct ddr_data draco_ddr3_data = {
	};

	struct cmd_control draco_ddr3_cmd_ctrl_data = {
	};

	struct ctrl_ioregs draco_ddr3_ioregs = {
	};

	/* pass values from eeprom */
	draco_ddr3_emif_reg_data.sdram_tim1 = settings.ddr3.sdram_tim1;
	draco_ddr3_emif_reg_data.sdram_tim2 = settings.ddr3.sdram_tim2;
	draco_ddr3_emif_reg_data.sdram_tim3 = settings.ddr3.sdram_tim3;
	draco_ddr3_emif_reg_data.emif_ddr_phy_ctlr_1 =
	settings.ddr3.emif_ddr_phy_ctlr_1;
	draco_ddr3_emif_reg_data.sdram_config = settings.ddr3.sdram_config;
	draco_ddr3_emif_reg_data.sdram_config2 = 0x08000000;
	draco_ddr3_emif_reg_data.ref_ctrl = settings.ddr3.ref_ctrl;

	draco_ddr3_data.datardsratio0 = settings.ddr3.dt0rdsratio0;
	draco_ddr3_data.datawdsratio0 = settings.ddr3.dt0wdsratio0;
	draco_ddr3_data.datafwsratio0 = settings.ddr3.dt0fwsratio0;
	draco_ddr3_data.datawrsratio0 = settings.ddr3.dt0wrsratio0;

	draco_ddr3_cmd_ctrl_data.cmd0csratio = settings.ddr3.ddr3_sratio;
	draco_ddr3_cmd_ctrl_data.cmd0iclkout = settings.ddr3.iclkout;
	draco_ddr3_cmd_ctrl_data.cmd1csratio = settings.ddr3.ddr3_sratio;
	draco_ddr3_cmd_ctrl_data.cmd1iclkout = settings.ddr3.iclkout;
	draco_ddr3_cmd_ctrl_data.cmd2csratio = settings.ddr3.ddr3_sratio;
	draco_ddr3_cmd_ctrl_data.cmd2iclkout = settings.ddr3.iclkout;

	draco_ddr3_ioregs.cm0ioctl = settings.ddr3.ioctr_val,
	draco_ddr3_ioregs.cm1ioctl = settings.ddr3.ioctr_val,
	draco_ddr3_ioregs.cm2ioctl = settings.ddr3.ioctr_val,
	draco_ddr3_ioregs.dt0ioctl = settings.ddr3.ioctr_val,
	draco_ddr3_ioregs.dt1ioctl = settings.ddr3.ioctr_val,

	config_ddr(DDR_PLL_FREQ, &draco_ddr3_ioregs, &draco_ddr3_data,
	&draco_ddr3_cmd_ctrl_data, &draco_ddr3_emif_reg_data, 0);
	}

	static void spl_siemens_board_init(void)
	{
	return;
	}
	#endif /* if def CONFIG_SPL_BUILD */

	#ifdef CONFIG_BOARD_LATE_INIT
	int board_late_init(void)
	{
	int ret;

	ret = draco_read_nand_geometry();
	if (ret != 0)
	return ret;

	nand_curr_device = 0;
	omap_nand_switch_ecc(1, ecc_type);
	#ifdef CONFIG_TARGET_ETAMIN
	nand_curr_device = 1;
	omap_nand_switch_ecc(1, ecc_type);
	#endif
	#ifdef CONFIG_FACTORYSET
	/* Set ASN in environment*/
	if (factory_dat.asn[0] != 0) {
	env_set("dtb_name", (char *)factory_dat.asn);
	} else {
	/* dtb suffix gets added in load script */
	env_set("dtb_name", "am335x-draco");
	}
	#else
	env_set("dtb_name", "am335x-draco");
	#endif

	return 0;
	}
	#endif

	#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;
	}

	static struct cpsw_slave_data cpsw_slaves[] = {
	{
	.slave_reg_ofs = 0x208,
	.sliver_reg_ofs = 0xd80,
	.phy_addr = 0,
	.phy_if = PHY_INTERFACE_MODE_MII,
	},
	};

	static struct cpsw_platform_data cpsw_data = {
	.mdio_base = CPSW_MDIO_BASE,
	.cpsw_base = CPSW_BASE,
	.mdio_div = 0xff,
	.channels = 4,
	.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,
	};

	#if defined(CONFIG_DRIVER_TI_CPSW) \|\| \
	(defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET))
	int board_eth_init(bd_t *bis)
	{
	struct ctrl_dev cdev = (struct ctrl_dev )CTRL_DEVICE_BASE;
	int n = 0;
	int rv;

	factoryset_env_set();

	/* Set rgmii mode and enable rmii clock to be sourced from chip */
	writel((RMII_MODE_ENABLE \| RMII_CHIPCKL_ENABLE), &cdev->miisel);

	rv = cpsw_register(&cpsw_data);
	if (rv < 0)
	printf("Error %d registering CPSW switch\n", rv);
	else
	n += rv;
	return n;
	}

	static int do_switch_reset(cmd_tbl_t *cmdtp, int flag, int argc,
	char *const argv[])
	{
	/* Reset SMSC LAN9303 switch for default configuration */
	gpio_request(GPIO_LAN9303_NRST, "nRST");
	gpio_direction_output(GPIO_LAN9303_NRST, 0);
	/* assert active low reset for 200us */
	udelay(200);
	gpio_set_value(GPIO_LAN9303_NRST, 1);

	return 0;
	};

	U_BOOT_CMD(
	switch_rst, CONFIG_SYS_MAXARGS, 1, do_switch_reset,
	"Reset LAN9303 switch via its reset pin",
	""
	);
	#endif /* #if defined(CONFIG_DRIVER_TI_CPSW) */
	#endif /* #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) */

	#ifdef CONFIG_NAND_CS_INIT
	/* GPMC definitions for second nand cs1 */
	static const u32 gpmc_nand_config[] = {
	ETAMIN_NAND_GPMC_CONFIG1,
	ETAMIN_NAND_GPMC_CONFIG2,
	ETAMIN_NAND_GPMC_CONFIG3,
	ETAMIN_NAND_GPMC_CONFIG4,
	ETAMIN_NAND_GPMC_CONFIG5,
	ETAMIN_NAND_GPMC_CONFIG6,
	/CONFIG7- computed as params /
	};

	static void board_nand_cs_init(void)
	{
	enable_gpmc_cs_config(gpmc_nand_config, &gpmc_cfg->cs[1],
	0x18000000, GPMC_SIZE_16M);
	}
	#endif

	#include "../common/board.c"