board/vscom/baltos/board.c - platform/external/u-boot - Gitiles

 /*
  * board.c
  *
  * Board functions for TI AM335X based boards
  *
  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 #include <common.h>
 #include <errno.h>
 #include <linux/libfdt.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/arch/mux.h>
 #include <asm/io.h>
 #include <asm/emif.h>
 #include <asm/gpio.h>
 #include <i2c.h>
 #include <miiphy.h>
 #include <cpsw.h>
 #include <power/tps65217.h>
 #include <power/tps65910.h>
 #include <environment.h>
 #include <watchdog.h>
 #include "board.h"

 DECLARE_GLOBAL_DATA_PTR;

 /* GPIO that controls power to DDR on EVM-SK */
 #define GPIO_DDR_VTT_EN		7
 #define DIP_S1			44
 #define MPCIE_SW		100

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

 static int baltos_set_console(void)
 {
 	int val, i, dips = 0;
 	char buf[7];

 	for (i = 0; i < 4; i++) {
 		sprintf(buf, "dip_s%d", i + 1);

 		if (gpio_request(DIP_S1 + i, buf)) {
 			printf("failed to export GPIO %d\n", DIP_S1 + i);
 			return 0;
 		}

 		if (gpio_direction_input(DIP_S1 + i)) {
 			printf("failed to set GPIO %d direction\n", DIP_S1 + i);
 			return 0;
 		}

 		val = gpio_get_value(DIP_S1 + i);
 		dips |= val << i;
 	}

 	printf("DIPs: 0x%1x\n", (~dips) & 0xf);

 	if ((dips & 0xf) == 0xe)
 		env_set("console", "ttyUSB0,115200n8");

 	return 0;
 }

 static int read_eeprom(BSP_VS_HWPARAM *header)
 {
 	i2c_set_bus_num(1);

 	/* Check if baseboard eeprom is available */
 	if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
 		puts("Could not probe the EEPROM; something fundamentally "
 			"wrong on the I2C bus.\n");
 		return -ENODEV;
 	}

 	/* read the eeprom using i2c */
 	if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 1, (uchar *)header,
 		     sizeof(BSP_VS_HWPARAM))) {
 		puts("Could not read the EEPROM; something fundamentally"
 			" wrong on the I2C bus.\n");
 		return -EIO;
 	}

 	if (header->Magic != 0xDEADBEEF) {

 		printf("Incorrect magic number (0x%x) in EEPROM\n",
 				header->Magic);

 		/* fill default values */
 		header->SystemId = 211;
 		header->MAC1[0] = 0x00;
 		header->MAC1[1] = 0x00;
 		header->MAC1[2] = 0x00;
 		header->MAC1[3] = 0x00;
 		header->MAC1[4] = 0x00;
 		header->MAC1[5] = 0x01;

 		header->MAC2[0] = 0x00;
 		header->MAC2[1] = 0x00;
 		header->MAC2[2] = 0x00;
 		header->MAC2[3] = 0x00;
 		header->MAC2[4] = 0x00;
 		header->MAC2[5] = 0x02;

 		header->MAC3[0] = 0x00;
 		header->MAC3[1] = 0x00;
 		header->MAC3[2] = 0x00;
 		header->MAC3[3] = 0x00;
 		header->MAC3[4] = 0x00;
 		header->MAC3[5] = 0x03;
 	}

 	return 0;
 }

 #if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT)

 static const struct ddr_data ddr3_baltos_data = {
 	.datardsratio0 = MT41K256M16HA125E_RD_DQS,
 	.datawdsratio0 = MT41K256M16HA125E_WR_DQS,
 	.datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
 	.datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
 };

 static const struct cmd_control ddr3_baltos_cmd_ctrl_data = {
 	.cmd0csratio = MT41K256M16HA125E_RATIO,
 	.cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,

 	.cmd1csratio = MT41K256M16HA125E_RATIO,
 	.cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,

 	.cmd2csratio = MT41K256M16HA125E_RATIO,
 	.cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 };

 static struct emif_regs ddr3_baltos_emif_reg_data = {
 	.sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
 	.ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
 	.sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
 	.sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
 	.sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
 	.zq_config = MT41K256M16HA125E_ZQ_CFG,
 	.emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
 };

 #ifdef CONFIG_SPL_OS_BOOT
 int spl_start_uboot(void)
 {
 	/* break into full u-boot on 'c' */
 	return (serial_tstc() && serial_getc() == 'c');
 }
 #endif

 #define OSC	(V_OSCK/1000000)
 const struct dpll_params dpll_ddr = {
 		266, OSC-1, 1, -1, -1, -1, -1};
 const struct dpll_params dpll_ddr_evm_sk = {
 		303, OSC-1, 1, -1, -1, -1, -1};
 const struct dpll_params dpll_ddr_baltos = {
 		400, OSC-1, 1, -1, -1, -1, -1};

 void am33xx_spl_board_init(void)
 {
 	int mpu_vdd;
 	int sil_rev;

 	/* Get the frequency */
 	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);

 	/*
 	 * The GP EVM, IDK and EVM SK use a TPS65910 PMIC.  For all
 	 * MPU frequencies we support we use a CORE voltage of
 	 * 1.1375V.  For MPU voltage we need to switch based on
 	 * the frequency we are running at.
 	 */
 	i2c_set_bus_num(1);

 	printf("I2C speed: %d Hz\n", CONFIG_SYS_OMAP24_I2C_SPEED);

 	if (i2c_probe(TPS65910_CTRL_I2C_ADDR)) {
 		puts("i2c: cannot access TPS65910\n");
 		return;
 	}

 	/*
 	 * Depending on MPU clock and PG we will need a different
 	 * VDD to drive at that speed.
 	 */
 	sil_rev = readl(&cdev->deviceid) >> 28;
 	mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev,
 					      dpll_mpu_opp100.m);

 	/* Tell the TPS65910 to use i2c */
 	tps65910_set_i2c_control();

 	/* First update MPU voltage. */
 	if (tps65910_voltage_update(MPU, mpu_vdd))
 		return;

 	/* Second, update the CORE voltage. */
 	if (tps65910_voltage_update(CORE, TPS65910_OP_REG_SEL_1_1_3))
 		return;

 	/* Set CORE Frequencies to OPP100 */
 	do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);

 	/* Set MPU Frequency to what we detected now that voltages are set */
 	do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);

 	writel(0x000010ff, PRM_DEVICE_INST + 4);
 }

 const struct dpll_params *get_dpll_ddr_params(void)
 {
 	enable_i2c1_pin_mux();
 	i2c_set_bus_num(1);

 	return &dpll_ddr_baltos;
 }

 void set_uart_mux_conf(void)
 {
 	enable_uart0_pin_mux();
 }

 void set_mux_conf_regs(void)
 {
 	enable_board_pin_mux();
 }

 const struct ctrl_ioregs ioregs_baltos = {
 	.cm0ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
 	.cm1ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
 	.cm2ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
 	.dt0ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
 	.dt1ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
 };

 void sdram_init(void)
 {
 	gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
 	gpio_direction_output(GPIO_DDR_VTT_EN, 1);

 	config_ddr(400, &ioregs_baltos,
 		   &ddr3_baltos_data,
 		   &ddr3_baltos_cmd_ctrl_data,
 		   &ddr3_baltos_emif_reg_data, 0);
 }
 #endif

 /*
  * Basic board specific setup.  Pinmux has been handled already.
  */
 int board_init(void)
 {
 #if defined(CONFIG_HW_WATCHDOG)
 	hw_watchdog_init();
 #endif

 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 #if defined(CONFIG_NOR) || defined(CONFIG_NAND)
 	gpmc_init();
 #endif
 	return 0;
 }

 int ft_board_setup(void *blob, bd_t *bd)
 {
 	int node, ret;
 	unsigned char mac_addr[6];
 	BSP_VS_HWPARAM header;

 	/* get production data */
 	if (read_eeprom(&header))
 		return 0;

 	/* setup MAC1 */
 	mac_addr[0] = header.MAC1[0];
 	mac_addr[1] = header.MAC1[1];
 	mac_addr[2] = header.MAC1[2];
 	mac_addr[3] = header.MAC1[3];
 	mac_addr[4] = header.MAC1[4];
 	mac_addr[5] = header.MAC1[5];


 	node = fdt_path_offset(blob, "/ocp/ethernet/slave@4a100200");
 	if (node < 0) {
 		printf("no /soc/fman/ethernet path offset\n");
 		return -ENODEV;
 	}

 	ret = fdt_setprop(blob, node, "mac-address", &mac_addr, 6);
 	if (ret) {
 		printf("error setting local-mac-address property\n");
 		return -ENODEV;
 	}

 	/* setup MAC2 */
 	mac_addr[0] = header.MAC2[0];
 	mac_addr[1] = header.MAC2[1];
 	mac_addr[2] = header.MAC2[2];
 	mac_addr[3] = header.MAC2[3];
 	mac_addr[4] = header.MAC2[4];
 	mac_addr[5] = header.MAC2[5];

 	node = fdt_path_offset(blob, "/ocp/ethernet/slave@4a100300");
 	if (node < 0) {
 		printf("no /soc/fman/ethernet path offset\n");
 		return -ENODEV;
 	}

 	ret = fdt_setprop(blob, node, "mac-address", &mac_addr, 6);
 	if (ret) {
 		printf("error setting local-mac-address property\n");
 		return -ENODEV;
 	}

 	printf("\nFDT was successfully setup\n");

 	return 0;
 }

 static struct module_pin_mux pcie_sw_pin_mux[] = {
 	{OFFSET(mii1_rxdv), (MODE(7) | PULLUDEN )},     /* GPIO3_4 */
 	{-1},
 };

 static struct module_pin_mux dip_pin_mux[] = {
 	{OFFSET(gpmc_ad12), (MODE(7) | RXACTIVE )},	/* GPIO1_12 */
 	{OFFSET(gpmc_ad13), (MODE(7)  | RXACTIVE )},	/* GPIO1_13 */
 	{OFFSET(gpmc_ad14), (MODE(7)  | RXACTIVE )},	/* GPIO1_14 */
 	{OFFSET(gpmc_ad15), (MODE(7)  | RXACTIVE )},	/* GPIO1_15 */
 	{-1},
 };

 #ifdef CONFIG_BOARD_LATE_INIT
 int board_late_init(void)
 {
 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 	BSP_VS_HWPARAM header;
 	char model[4];

 	/* get production data */
 	if (read_eeprom(&header)) {
 		strcpy(model, "211");
 	} else {
 		sprintf(model, "%d", header.SystemId);
 		if (header.SystemId == 215) {
 			configure_module_pin_mux(dip_pin_mux);
 			baltos_set_console();
 		}
 	}

 	/* turn power for the mPCIe slot */
 	configure_module_pin_mux(pcie_sw_pin_mux);
 	if (gpio_request(MPCIE_SW, "mpcie_sw")) {
 		printf("failed to export GPIO %d\n", MPCIE_SW);
 		return -ENODEV;
 	}
 	if (gpio_direction_output(MPCIE_SW, 1)) {
 		printf("failed to set GPIO %d direction\n", MPCIE_SW);
 		return -ENODEV;
 	}

 	env_set("board_name", model);
 #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,
 	},
 	{
 		.slave_reg_ofs	= 0x308,
 		.sliver_reg_ofs	= 0xdc0,
 		.phy_addr	= 7,
 	},
 };

 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			= 2,
 	.slave_data		= cpsw_slaves,
 	.active_slave		= 1,
 	.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

 #if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USB_ETHER)) \
 		&& defined(CONFIG_SPL_BUILD)) || \
 	((defined(CONFIG_DRIVER_TI_CPSW) || \
 	  defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)) && \
 	 !defined(CONFIG_SPL_BUILD))
 int board_eth_init(bd_t *bis)
 {
 	int rv, n = 0;
 	uint8_t mac_addr[6];
 	uint32_t mac_hi, mac_lo;

 	/*
 	 * Note here that we're using CPSW1 since that has a 1Gbit PHY while
 	 * CSPW0 has a 100Mbit PHY.
 	 *
 	 * On product, CPSW1 maps to port labeled WAN.
 	 */

 	/* try reading mac address from efuse */
 	mac_lo = readl(&cdev->macid1l);
 	mac_hi = readl(&cdev->macid1h);
 	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 (!env_get("ethaddr")) {
 		printf("<ethaddr> not set. Validating first E-fuse MAC\n");

 		if (is_valid_ethaddr(mac_addr))
 			eth_env_set_enetaddr("ethaddr", mac_addr);
 	}

 #ifdef CONFIG_DRIVER_TI_CPSW
 	writel((GMII1_SEL_RMII | GMII2_SEL_RGMII | RGMII2_IDMODE), &cdev->miisel);
 	cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RGMII;
 	rv = cpsw_register(&cpsw_data);
 	if (rv < 0)
 		printf("Error %d registering CPSW switch\n", rv);
 	else
 		n += rv;
 #endif

 	/*
 	 *
 	 * CPSW RGMII Internal Delay Mode is not supported in all PVT
 	 * operating points.  So we must set the TX clock delay feature
 	 * in the AR8051 PHY.  Since we only support a single ethernet
 	 * device in U-Boot, we only do this for the first instance.
 	 */
 #define AR8051_PHY_DEBUG_ADDR_REG	0x1d
 #define AR8051_PHY_DEBUG_DATA_REG	0x1e
 #define AR8051_DEBUG_RGMII_CLK_DLY_REG	0x5
 #define AR8051_RGMII_TX_CLK_DLY		0x100
 	const char *devname;
 	devname = miiphy_get_current_dev();

 	miiphy_write(devname, 0x7, AR8051_PHY_DEBUG_ADDR_REG,
 			AR8051_DEBUG_RGMII_CLK_DLY_REG);
 	miiphy_write(devname, 0x7, AR8051_PHY_DEBUG_DATA_REG,
 			AR8051_RGMII_TX_CLK_DLY);
 #endif
 	return n;
 }
 #endif
	/*
	* board.c
	*
	* Board functions for TI AM335X based boards
	*
	* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	#include <common.h>
	#include <errno.h>
	#include <linux/libfdt.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/arch/mux.h>
	#include <asm/io.h>
	#include <asm/emif.h>
	#include <asm/gpio.h>
	#include <i2c.h>
	#include <miiphy.h>
	#include <cpsw.h>
	#include <power/tps65217.h>
	#include <power/tps65910.h>
	#include <environment.h>
	#include <watchdog.h>
	#include "board.h"

	DECLARE_GLOBAL_DATA_PTR;

	/* GPIO that controls power to DDR on EVM-SK */
	#define GPIO_DDR_VTT_EN 7
	#define DIP_S1 44
	#define MPCIE_SW 100

	static struct ctrl_dev cdev = (struct ctrl_dev )CTRL_DEVICE_BASE;

	static int baltos_set_console(void)
	{
	int val, i, dips = 0;
	char buf[7];

	for (i = 0; i < 4; i++) {
	sprintf(buf, "dip_s%d", i + 1);

	if (gpio_request(DIP_S1 + i, buf)) {
	printf("failed to export GPIO %d\n", DIP_S1 + i);
	return 0;
	}

	if (gpio_direction_input(DIP_S1 + i)) {
	printf("failed to set GPIO %d direction\n", DIP_S1 + i);
	return 0;
	}

	val = gpio_get_value(DIP_S1 + i);
	dips \|= val << i;
	}

	printf("DIPs: 0x%1x\n", (~dips) & 0xf);

	if ((dips & 0xf) == 0xe)
	env_set("console", "ttyUSB0,115200n8");

	return 0;
	}

	static int read_eeprom(BSP_VS_HWPARAM *header)
	{
	i2c_set_bus_num(1);

	/* Check if baseboard eeprom is available */
	if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
	puts("Could not probe the EEPROM; something fundamentally "
	"wrong on the I2C bus.\n");
	return -ENODEV;
	}

	/* read the eeprom using i2c */
	if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 1, (uchar *)header,
	sizeof(BSP_VS_HWPARAM))) {
	puts("Could not read the EEPROM; something fundamentally"
	" wrong on the I2C bus.\n");
	return -EIO;
	}

	if (header->Magic != 0xDEADBEEF) {

	printf("Incorrect magic number (0x%x) in EEPROM\n",
	header->Magic);

	/* fill default values */
	header->SystemId = 211;
	header->MAC1[0] = 0x00;
	header->MAC1[1] = 0x00;
	header->MAC1[2] = 0x00;
	header->MAC1[3] = 0x00;
	header->MAC1[4] = 0x00;
	header->MAC1[5] = 0x01;

	header->MAC2[0] = 0x00;
	header->MAC2[1] = 0x00;
	header->MAC2[2] = 0x00;
	header->MAC2[3] = 0x00;
	header->MAC2[4] = 0x00;
	header->MAC2[5] = 0x02;

	header->MAC3[0] = 0x00;
	header->MAC3[1] = 0x00;
	header->MAC3[2] = 0x00;
	header->MAC3[3] = 0x00;
	header->MAC3[4] = 0x00;
	header->MAC3[5] = 0x03;
	}

	return 0;
	}

	#if defined(CONFIG_SPL_BUILD) \|\| defined(CONFIG_NOR_BOOT)

	static const struct ddr_data ddr3_baltos_data = {
	.datardsratio0 = MT41K256M16HA125E_RD_DQS,
	.datawdsratio0 = MT41K256M16HA125E_WR_DQS,
	.datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
	.datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
	};

	static const struct cmd_control ddr3_baltos_cmd_ctrl_data = {
	.cmd0csratio = MT41K256M16HA125E_RATIO,
	.cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,

	.cmd1csratio = MT41K256M16HA125E_RATIO,
	.cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,

	.cmd2csratio = MT41K256M16HA125E_RATIO,
	.cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
	};

	static struct emif_regs ddr3_baltos_emif_reg_data = {
	.sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
	.ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
	.sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
	.sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
	.sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
	.zq_config = MT41K256M16HA125E_ZQ_CFG,
	.emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
	};

	#ifdef CONFIG_SPL_OS_BOOT
	int spl_start_uboot(void)
	{
	/* break into full u-boot on 'c' */
	return (serial_tstc() && serial_getc() == 'c');
	}
	#endif

	#define OSC (V_OSCK/1000000)
	const struct dpll_params dpll_ddr = {
	266, OSC-1, 1, -1, -1, -1, -1};
	const struct dpll_params dpll_ddr_evm_sk = {
	303, OSC-1, 1, -1, -1, -1, -1};
	const struct dpll_params dpll_ddr_baltos = {
	400, OSC-1, 1, -1, -1, -1, -1};

	void am33xx_spl_board_init(void)
	{
	int mpu_vdd;
	int sil_rev;

	/* Get the frequency */
	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);

	/*
	* The GP EVM, IDK and EVM SK use a TPS65910 PMIC. For all
	* MPU frequencies we support we use a CORE voltage of
	* 1.1375V. For MPU voltage we need to switch based on
	* the frequency we are running at.
	*/
	i2c_set_bus_num(1);

	printf("I2C speed: %d Hz\n", CONFIG_SYS_OMAP24_I2C_SPEED);

	if (i2c_probe(TPS65910_CTRL_I2C_ADDR)) {
	puts("i2c: cannot access TPS65910\n");
	return;
	}

	/*
	* Depending on MPU clock and PG we will need a different
	* VDD to drive at that speed.
	*/
	sil_rev = readl(&cdev->deviceid) >> 28;
	mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev,
	dpll_mpu_opp100.m);

	/* Tell the TPS65910 to use i2c */
	tps65910_set_i2c_control();

	/* First update MPU voltage. */
	if (tps65910_voltage_update(MPU, mpu_vdd))
	return;

	/* Second, update the CORE voltage. */
	if (tps65910_voltage_update(CORE, TPS65910_OP_REG_SEL_1_1_3))
	return;

	/* Set CORE Frequencies to OPP100 */
	do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);

	/* Set MPU Frequency to what we detected now that voltages are set */
	do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);

	writel(0x000010ff, PRM_DEVICE_INST + 4);
	}

	const struct dpll_params *get_dpll_ddr_params(void)
	{
	enable_i2c1_pin_mux();
	i2c_set_bus_num(1);

	return &dpll_ddr_baltos;
	}

	void set_uart_mux_conf(void)
	{
	enable_uart0_pin_mux();
	}

	void set_mux_conf_regs(void)
	{
	enable_board_pin_mux();
	}

	const struct ctrl_ioregs ioregs_baltos = {
	.cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
	.cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
	.cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
	.dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
	.dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
	};

	void sdram_init(void)
	{
	gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
	gpio_direction_output(GPIO_DDR_VTT_EN, 1);

	config_ddr(400, &ioregs_baltos,
	&ddr3_baltos_data,
	&ddr3_baltos_cmd_ctrl_data,
	&ddr3_baltos_emif_reg_data, 0);
	}
	#endif

	/*
	* Basic board specific setup. Pinmux has been handled already.
	*/
	int board_init(void)
	{
	#if defined(CONFIG_HW_WATCHDOG)
	hw_watchdog_init();
	#endif

	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
	#if defined(CONFIG_NOR) \|\| defined(CONFIG_NAND)
	gpmc_init();
	#endif
	return 0;
	}

	int ft_board_setup(void blob, bd_t bd)
	{
	int node, ret;
	unsigned char mac_addr[6];
	BSP_VS_HWPARAM header;

	/* get production data */
	if (read_eeprom(&header))
	return 0;

	/* setup MAC1 */
	mac_addr[0] = header.MAC1[0];
	mac_addr[1] = header.MAC1[1];
	mac_addr[2] = header.MAC1[2];
	mac_addr[3] = header.MAC1[3];
	mac_addr[4] = header.MAC1[4];
	mac_addr[5] = header.MAC1[5];


	node = fdt_path_offset(blob, "/ocp/ethernet/slave@4a100200");
	if (node < 0) {
	printf("no /soc/fman/ethernet path offset\n");
	return -ENODEV;
	}

	ret = fdt_setprop(blob, node, "mac-address", &mac_addr, 6);
	if (ret) {
	printf("error setting local-mac-address property\n");
	return -ENODEV;
	}

	/* setup MAC2 */
	mac_addr[0] = header.MAC2[0];
	mac_addr[1] = header.MAC2[1];
	mac_addr[2] = header.MAC2[2];
	mac_addr[3] = header.MAC2[3];
	mac_addr[4] = header.MAC2[4];
	mac_addr[5] = header.MAC2[5];

	node = fdt_path_offset(blob, "/ocp/ethernet/slave@4a100300");
	if (node < 0) {
	printf("no /soc/fman/ethernet path offset\n");
	return -ENODEV;
	}

	ret = fdt_setprop(blob, node, "mac-address", &mac_addr, 6);
	if (ret) {
	printf("error setting local-mac-address property\n");
	return -ENODEV;
	}

	printf("\nFDT was successfully setup\n");

	return 0;
	}

	static struct module_pin_mux pcie_sw_pin_mux[] = {
	{OFFSET(mii1_rxdv), (MODE(7) \| PULLUDEN )}, /* GPIO3_4 */
	{-1},
	};

	static struct module_pin_mux dip_pin_mux[] = {
	{OFFSET(gpmc_ad12), (MODE(7) \| RXACTIVE )}, /* GPIO1_12 */
	{OFFSET(gpmc_ad13), (MODE(7) \| RXACTIVE )}, /* GPIO1_13 */
	{OFFSET(gpmc_ad14), (MODE(7) \| RXACTIVE )}, /* GPIO1_14 */
	{OFFSET(gpmc_ad15), (MODE(7) \| RXACTIVE )}, /* GPIO1_15 */
	{-1},
	};

	#ifdef CONFIG_BOARD_LATE_INIT
	int board_late_init(void)
	{
	#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
	BSP_VS_HWPARAM header;
	char model[4];

	/* get production data */
	if (read_eeprom(&header)) {
	strcpy(model, "211");
	} else {
	sprintf(model, "%d", header.SystemId);
	if (header.SystemId == 215) {
	configure_module_pin_mux(dip_pin_mux);
	baltos_set_console();
	}
	}

	/* turn power for the mPCIe slot */
	configure_module_pin_mux(pcie_sw_pin_mux);
	if (gpio_request(MPCIE_SW, "mpcie_sw")) {
	printf("failed to export GPIO %d\n", MPCIE_SW);
	return -ENODEV;
	}
	if (gpio_direction_output(MPCIE_SW, 1)) {
	printf("failed to set GPIO %d direction\n", MPCIE_SW);
	return -ENODEV;
	}

	env_set("board_name", model);
	#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,
	},
	{
	.slave_reg_ofs = 0x308,
	.sliver_reg_ofs = 0xdc0,
	.phy_addr = 7,
	},
	};

	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 = 2,
	.slave_data = cpsw_slaves,
	.active_slave = 1,
	.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

	#if ((defined(CONFIG_SPL_ETH_SUPPORT) \|\| defined(CONFIG_SPL_USB_ETHER)) \
	&& defined(CONFIG_SPL_BUILD)) \|\| \
	((defined(CONFIG_DRIVER_TI_CPSW) \|\| \
	defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)) && \
	!defined(CONFIG_SPL_BUILD))
	int board_eth_init(bd_t *bis)
	{
	int rv, n = 0;
	uint8_t mac_addr[6];
	uint32_t mac_hi, mac_lo;

	/*
	* Note here that we're using CPSW1 since that has a 1Gbit PHY while
	* CSPW0 has a 100Mbit PHY.
	*
	* On product, CPSW1 maps to port labeled WAN.
	*/

	/* try reading mac address from efuse */
	mac_lo = readl(&cdev->macid1l);
	mac_hi = readl(&cdev->macid1h);
	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 (!env_get("ethaddr")) {
	printf("<ethaddr> not set. Validating first E-fuse MAC\n");

	if (is_valid_ethaddr(mac_addr))
	eth_env_set_enetaddr("ethaddr", mac_addr);
	}

	#ifdef CONFIG_DRIVER_TI_CPSW
	writel((GMII1_SEL_RMII \| GMII2_SEL_RGMII \| RGMII2_IDMODE), &cdev->miisel);
	cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RGMII;
	rv = cpsw_register(&cpsw_data);
	if (rv < 0)
	printf("Error %d registering CPSW switch\n", rv);
	else
	n += rv;
	#endif

	/*
	*
	* CPSW RGMII Internal Delay Mode is not supported in all PVT
	* operating points. So we must set the TX clock delay feature
	* in the AR8051 PHY. Since we only support a single ethernet
	* device in U-Boot, we only do this for the first instance.
	*/
	#define AR8051_PHY_DEBUG_ADDR_REG 0x1d
	#define AR8051_PHY_DEBUG_DATA_REG 0x1e
	#define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5
	#define AR8051_RGMII_TX_CLK_DLY 0x100
	const char *devname;
	devname = miiphy_get_current_dev();

	miiphy_write(devname, 0x7, AR8051_PHY_DEBUG_ADDR_REG,
	AR8051_DEBUG_RGMII_CLK_DLY_REG);
	miiphy_write(devname, 0x7, AR8051_PHY_DEBUG_DATA_REG,
	AR8051_RGMII_TX_CLK_DLY);
	#endif
	return n;
	}
	#endif