board/ti/beagle_x15/board.c - filogic/uboot - Gitiles

 /*
  * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
  *
  * Author: Felipe Balbi <balbi@ti.com>
  *
  * Based on board/ti/dra7xx/evm.c
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 #include <common.h>
 #include <palmas.h>
 #include <sata.h>
 #include <usb.h>
 #include <asm/omap_common.h>
 #include <asm/emif.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sata.h>
 #include <asm/arch/gpio.h>
 #include <environment.h>

 #include "mux_data.h"

 #ifdef CONFIG_DRIVER_TI_CPSW
 #include <cpsw.h>
 #endif

 DECLARE_GLOBAL_DATA_PTR;

 const struct omap_sysinfo sysinfo = {
 	"Board: BeagleBoard x15\n"
 };

 static const struct dmm_lisa_map_regs beagle_x15_lisa_regs = {
 	.dmm_lisa_map_3 = 0x80740300,
 	.is_ma_present  = 0x1
 };

 void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs)
 {
 	*dmm_lisa_regs = &beagle_x15_lisa_regs;
 }

 static const struct emif_regs beagle_x15_emif1_ddr3_532mhz_emif_regs = {
 	.sdram_config_init	= 0x61851b32,
 	.sdram_config		= 0x61851b32,
 	.sdram_config2		= 0x00000000,
 	.ref_ctrl		= 0x000040F1,
 	.ref_ctrl_final		= 0x00001035,
 	.sdram_tim1		= 0xceef266b,
 	.sdram_tim2		= 0x328f7fda,
 	.sdram_tim3		= 0x027f88a8,
 	.read_idle_ctrl		= 0x00050001,
 	.zq_config		= 0x0007190b,
 	.temp_alert_config	= 0x00000000,
 	.emif_ddr_phy_ctlr_1_init = 0x0e24400a,
 	.emif_ddr_phy_ctlr_1	= 0x0e24400a,
 	.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
 	.emif_ddr_ext_phy_ctrl_2 = 0x00740074,
 	.emif_ddr_ext_phy_ctrl_3 = 0x00780078,
 	.emif_ddr_ext_phy_ctrl_4 = 0x007c007c,
 	.emif_ddr_ext_phy_ctrl_5 = 0x007b007b,
 	.emif_rd_wr_lvl_rmp_win	= 0x00000000,
 	.emif_rd_wr_lvl_rmp_ctl	= 0x00000000,
 	.emif_rd_wr_lvl_ctl	= 0x00000000,
 	.emif_rd_wr_exec_thresh	= 0x00000305
 };

 static const u32 beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs[] = {
 	0x00800080,
 	0x00360036,
 	0x00340034,
 	0x00360036,
 	0x00350035,
 	0x00350035,

 	0x01ff01ff,
 	0x01ff01ff,
 	0x01ff01ff,
 	0x01ff01ff,
 	0x01ff01ff,

 	0x00430043,
 	0x003e003e,
 	0x004a004a,
 	0x00470047,
 	0x00400040,

 	0x00000000,
 	0x00600020,
 	0x40010080,
 	0x08102040,

 	0x00400040,
 	0x00400040,
 	0x00400040,
 	0x00400040,
 	0x00400040
 };

 static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs = {
 	.sdram_config_init	= 0x61851b32,
 	.sdram_config		= 0x61851b32,
 	.sdram_config2		= 0x00000000,
 	.ref_ctrl		= 0x000040F1,
 	.ref_ctrl_final		= 0x00001035,
 	.sdram_tim1		= 0xceef266b,
 	.sdram_tim2		= 0x328f7fda,
 	.sdram_tim3		= 0x027f88a8,
 	.read_idle_ctrl		= 0x00050001,
 	.zq_config		= 0x0007190b,
 	.temp_alert_config	= 0x00000000,
 	.emif_ddr_phy_ctlr_1_init = 0x0e24400a,
 	.emif_ddr_phy_ctlr_1	= 0x0e24400a,
 	.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
 	.emif_ddr_ext_phy_ctrl_2 = 0x00820082,
 	.emif_ddr_ext_phy_ctrl_3 = 0x008b008b,
 	.emif_ddr_ext_phy_ctrl_4 = 0x00800080,
 	.emif_ddr_ext_phy_ctrl_5 = 0x007e007e,
 	.emif_rd_wr_lvl_rmp_win	= 0x00000000,
 	.emif_rd_wr_lvl_rmp_ctl	= 0x00000000,
 	.emif_rd_wr_lvl_ctl	= 0x00000000,
 	.emif_rd_wr_exec_thresh	= 0x00000305
 };

 static const u32 beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs[] = {
 	0x00800080,
 	0x00370037,
 	0x00390039,
 	0x00360036,
 	0x00370037,
 	0x00350035,
 	0x01ff01ff,
 	0x01ff01ff,
 	0x01ff01ff,
 	0x01ff01ff,
 	0x01ff01ff,
 	0x00540054,
 	0x00540054,
 	0x004e004e,
 	0x004c004c,
 	0x00400040,

 	0x00000000,
 	0x00600020,
 	0x40010080,
 	0x08102040,

 	0x00400040,
 	0x00400040,
 	0x00400040,
 	0x00400040,
 	0x00400040
 };

 void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
 {
 	switch (emif_nr) {
 	case 1:
 		*regs = &beagle_x15_emif1_ddr3_532mhz_emif_regs;
 		break;
 	case 2:
 		*regs = &beagle_x15_emif2_ddr3_532mhz_emif_regs;
 		break;
 	}
 }

 void emif_get_ext_phy_ctrl_const_regs(u32 emif_nr, const u32 **regs, u32 *size)
 {
 	switch (emif_nr) {
 	case 1:
 		*regs = beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs;
 		*size = ARRAY_SIZE(beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs);
 		break;
 	case 2:
 		*regs = beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs;
 		*size = ARRAY_SIZE(beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs);
 		break;
 	}
 }

 struct vcores_data beagle_x15_volts = {
 	.mpu.value		= VDD_MPU_DRA752,
 	.mpu.efuse.reg		= STD_FUSE_OPP_VMIN_MPU_NOM,
 	.mpu.efuse.reg_bits     = DRA752_EFUSE_REGBITS,
 	.mpu.addr		= TPS659038_REG_ADDR_SMPS12,
 	.mpu.pmic		= &tps659038,

 	.eve.value		= VDD_EVE_DRA752,
 	.eve.efuse.reg		= STD_FUSE_OPP_VMIN_DSPEVE_NOM,
 	.eve.efuse.reg_bits	= DRA752_EFUSE_REGBITS,
 	.eve.addr		= TPS659038_REG_ADDR_SMPS45,
 	.eve.pmic		= &tps659038,

 	.gpu.value		= VDD_GPU_DRA752,
 	.gpu.efuse.reg		= STD_FUSE_OPP_VMIN_GPU_NOM,
 	.gpu.efuse.reg_bits	= DRA752_EFUSE_REGBITS,
 	.gpu.addr		= TPS659038_REG_ADDR_SMPS45,
 	.gpu.pmic		= &tps659038,

 	.core.value		= VDD_CORE_DRA752,
 	.core.efuse.reg		= STD_FUSE_OPP_VMIN_CORE_NOM,
 	.core.efuse.reg_bits	= DRA752_EFUSE_REGBITS,
 	.core.addr		= TPS659038_REG_ADDR_SMPS6,
 	.core.pmic		= &tps659038,

 	.iva.value		= VDD_IVA_DRA752,
 	.iva.efuse.reg		= STD_FUSE_OPP_VMIN_IVA_NOM,
 	.iva.efuse.reg_bits	= DRA752_EFUSE_REGBITS,
 	.iva.addr		= TPS659038_REG_ADDR_SMPS45,
 	.iva.pmic		= &tps659038,
 };

 void hw_data_init(void)
 {
 	*prcm = &dra7xx_prcm;
 	*dplls_data = &dra7xx_dplls;
 	*omap_vcores = &beagle_x15_volts;
 	*ctrl = &dra7xx_ctrl;
 }

 int board_init(void)
 {
 	gpmc_init();
 	gd->bd->bi_boot_params = (CONFIG_SYS_SDRAM_BASE + 0x100);

 	return 0;
 }

 int board_late_init(void)
 {
 	init_sata(0);
 	/*
 	 * DEV_CTRL.DEV_ON = 1 please - else palmas switches off in 8 seconds
 	 * This is the POWERHOLD-in-Low behavior.
 	 */
 	palmas_i2c_write_u8(TPS65903X_CHIP_P1, 0xA0, 0x1);
 	return 0;
 }

 static void do_set_mux32(u32 base,
 			 struct pad_conf_entry const *array, int size)
 {
 	int i;
 	struct pad_conf_entry *pad = (struct pad_conf_entry *)array;

 	for (i = 0; i < size; i++, pad++)
 		writel(pad->val, base + pad->offset);
 }

 void set_muxconf_regs_essential(void)
 {
 	do_set_mux32((*ctrl)->control_padconf_core_base,
 		     core_padconf_array_essential,
 		     sizeof(core_padconf_array_essential) /
 		     sizeof(struct pad_conf_entry));
 }

 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
 int board_mmc_init(bd_t *bis)
 {
 	omap_mmc_init(0, 0, 0, -1, -1);
 	omap_mmc_init(1, 0, 0, -1, -1);
 	return 0;
 }
 #endif

 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_OS_BOOT)
 int spl_start_uboot(void)
 {
 	/* break into full u-boot on 'c' */
 	if (serial_tstc() && serial_getc() == 'c')
 		return 1;

 #ifdef CONFIG_SPL_ENV_SUPPORT
 	env_init();
 	env_relocate_spec();
 	if (getenv_yesno("boot_os") != 1)
 		return 1;
 #endif

 	return 0;
 }
 #endif

 #ifdef CONFIG_DRIVER_TI_CPSW

 /* Delay value to add to calibrated value */
 #define RGMII0_TXCTL_DLY_VAL		((0x3 << 5) + 0x8)
 #define RGMII0_TXD0_DLY_VAL		((0x3 << 5) + 0x8)
 #define RGMII0_TXD1_DLY_VAL		((0x3 << 5) + 0x2)
 #define RGMII0_TXD2_DLY_VAL		((0x4 << 5) + 0x0)
 #define RGMII0_TXD3_DLY_VAL		((0x4 << 5) + 0x0)
 #define VIN2A_D13_DLY_VAL		((0x3 << 5) + 0x8)
 #define VIN2A_D17_DLY_VAL		((0x3 << 5) + 0x8)
 #define VIN2A_D16_DLY_VAL		((0x3 << 5) + 0x2)
 #define VIN2A_D15_DLY_VAL		((0x4 << 5) + 0x0)
 #define VIN2A_D14_DLY_VAL		((0x4 << 5) + 0x0)

 static void cpsw_control(int enabled)
 {
 	/* VTP can be added here */
 }

 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,
 };

 int board_eth_init(bd_t *bis)
 {
 	int ret;
 	uint8_t mac_addr[6];
 	uint32_t mac_hi, mac_lo;
 	uint32_t ctrl_val;

 	/* try reading mac address from efuse */
 	mac_lo = readl((*ctrl)->control_core_mac_id_0_lo);
 	mac_hi = readl((*ctrl)->control_core_mac_id_0_hi);
 	mac_addr[0] = (mac_hi & 0xFF0000) >> 16;
 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 	mac_addr[2] = mac_hi & 0xFF;
 	mac_addr[3] = (mac_lo & 0xFF0000) >> 16;
 	mac_addr[4] = (mac_lo & 0xFF00) >> 8;
 	mac_addr[5] = mac_lo & 0xFF;

 	if (!getenv("ethaddr")) {
 		printf("<ethaddr> not set. Validating first E-fuse MAC\n");

 		if (is_valid_ether_addr(mac_addr))
 			eth_setenv_enetaddr("ethaddr", mac_addr);
 	}

 	mac_lo = readl((*ctrl)->control_core_mac_id_1_lo);
 	mac_hi = readl((*ctrl)->control_core_mac_id_1_hi);
 	mac_addr[0] = (mac_hi & 0xFF0000) >> 16;
 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 	mac_addr[2] = mac_hi & 0xFF;
 	mac_addr[3] = (mac_lo & 0xFF0000) >> 16;
 	mac_addr[4] = (mac_lo & 0xFF00) >> 8;
 	mac_addr[5] = mac_lo & 0xFF;

 	if (!getenv("eth1addr")) {
 		if (is_valid_ether_addr(mac_addr))
 			eth_setenv_enetaddr("eth1addr", mac_addr);
 	}

 	ctrl_val = readl((*ctrl)->control_core_control_io1) & (~0x33);
 	ctrl_val |= 0x22;
 	writel(ctrl_val, (*ctrl)->control_core_control_io1);

 	ret = cpsw_register(&cpsw_data);
 	if (ret < 0)
 		printf("Error %d registering CPSW switch\n", ret);

 	return ret;
 }
 #endif

 #ifdef CONFIG_USB_XHCI_OMAP
 int board_usb_init(int index, enum usb_init_type init)
 {
 	setbits_le32((*prcm)->cm_l3init_usb_otg_ss_clkctrl,
 			OTG_SS_CLKCTRL_MODULEMODE_HW | OPTFCLKEN_REFCLK960M);

 	return 0;
 }
 #endif
	/*
	* Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
	*
	* Author: Felipe Balbi <balbi@ti.com>
	*
	* Based on board/ti/dra7xx/evm.c
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	#include <common.h>
	#include <palmas.h>
	#include <sata.h>
	#include <usb.h>
	#include <asm/omap_common.h>
	#include <asm/emif.h>
	#include <asm/arch/clock.h>
	#include <asm/arch/sys_proto.h>
	#include <asm/arch/mmc_host_def.h>
	#include <asm/arch/sata.h>
	#include <asm/arch/gpio.h>
	#include <environment.h>

	#include "mux_data.h"

	#ifdef CONFIG_DRIVER_TI_CPSW
	#include <cpsw.h>
	#endif

	DECLARE_GLOBAL_DATA_PTR;

	const struct omap_sysinfo sysinfo = {
	"Board: BeagleBoard x15\n"
	};

	static const struct dmm_lisa_map_regs beagle_x15_lisa_regs = {
	.dmm_lisa_map_3 = 0x80740300,
	.is_ma_present = 0x1
	};

	void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs)
	{
	*dmm_lisa_regs = &beagle_x15_lisa_regs;
	}

	static const struct emif_regs beagle_x15_emif1_ddr3_532mhz_emif_regs = {
	.sdram_config_init = 0x61851b32,
	.sdram_config = 0x61851b32,
	.sdram_config2 = 0x00000000,
	.ref_ctrl = 0x000040F1,
	.ref_ctrl_final = 0x00001035,
	.sdram_tim1 = 0xceef266b,
	.sdram_tim2 = 0x328f7fda,
	.sdram_tim3 = 0x027f88a8,
	.read_idle_ctrl = 0x00050001,
	.zq_config = 0x0007190b,
	.temp_alert_config = 0x00000000,
	.emif_ddr_phy_ctlr_1_init = 0x0e24400a,
	.emif_ddr_phy_ctlr_1 = 0x0e24400a,
	.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
	.emif_ddr_ext_phy_ctrl_2 = 0x00740074,
	.emif_ddr_ext_phy_ctrl_3 = 0x00780078,
	.emif_ddr_ext_phy_ctrl_4 = 0x007c007c,
	.emif_ddr_ext_phy_ctrl_5 = 0x007b007b,
	.emif_rd_wr_lvl_rmp_win = 0x00000000,
	.emif_rd_wr_lvl_rmp_ctl = 0x00000000,
	.emif_rd_wr_lvl_ctl = 0x00000000,
	.emif_rd_wr_exec_thresh = 0x00000305
	};

	static const u32 beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs[] = {
	0x00800080,
	0x00360036,
	0x00340034,
	0x00360036,
	0x00350035,
	0x00350035,

	0x01ff01ff,
	0x01ff01ff,
	0x01ff01ff,
	0x01ff01ff,
	0x01ff01ff,

	0x00430043,
	0x003e003e,
	0x004a004a,
	0x00470047,
	0x00400040,

	0x00000000,
	0x00600020,
	0x40010080,
	0x08102040,

	0x00400040,
	0x00400040,
	0x00400040,
	0x00400040,
	0x00400040
	};

	static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs = {
	.sdram_config_init = 0x61851b32,
	.sdram_config = 0x61851b32,
	.sdram_config2 = 0x00000000,
	.ref_ctrl = 0x000040F1,
	.ref_ctrl_final = 0x00001035,
	.sdram_tim1 = 0xceef266b,
	.sdram_tim2 = 0x328f7fda,
	.sdram_tim3 = 0x027f88a8,
	.read_idle_ctrl = 0x00050001,
	.zq_config = 0x0007190b,
	.temp_alert_config = 0x00000000,
	.emif_ddr_phy_ctlr_1_init = 0x0e24400a,
	.emif_ddr_phy_ctlr_1 = 0x0e24400a,
	.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
	.emif_ddr_ext_phy_ctrl_2 = 0x00820082,
	.emif_ddr_ext_phy_ctrl_3 = 0x008b008b,
	.emif_ddr_ext_phy_ctrl_4 = 0x00800080,
	.emif_ddr_ext_phy_ctrl_5 = 0x007e007e,
	.emif_rd_wr_lvl_rmp_win = 0x00000000,
	.emif_rd_wr_lvl_rmp_ctl = 0x00000000,
	.emif_rd_wr_lvl_ctl = 0x00000000,
	.emif_rd_wr_exec_thresh = 0x00000305
	};

	static const u32 beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs[] = {
	0x00800080,
	0x00370037,
	0x00390039,
	0x00360036,
	0x00370037,
	0x00350035,
	0x01ff01ff,
	0x01ff01ff,
	0x01ff01ff,
	0x01ff01ff,
	0x01ff01ff,
	0x00540054,
	0x00540054,
	0x004e004e,
	0x004c004c,
	0x00400040,

	0x00000000,
	0x00600020,
	0x40010080,
	0x08102040,

	0x00400040,
	0x00400040,
	0x00400040,
	0x00400040,
	0x00400040
	};

	void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
	{
	switch (emif_nr) {
	case 1:
	*regs = &beagle_x15_emif1_ddr3_532mhz_emif_regs;
	break;
	case 2:
	*regs = &beagle_x15_emif2_ddr3_532mhz_emif_regs;
	break;
	}
	}

	void emif_get_ext_phy_ctrl_const_regs(u32 emif_nr, const u32 *regs, u32 size)
	{
	switch (emif_nr) {
	case 1:
	*regs = beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs;
	*size = ARRAY_SIZE(beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs);
	break;
	case 2:
	*regs = beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs;
	*size = ARRAY_SIZE(beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs);
	break;
	}
	}

	struct vcores_data beagle_x15_volts = {
	.mpu.value = VDD_MPU_DRA752,
	.mpu.efuse.reg = STD_FUSE_OPP_VMIN_MPU_NOM,
	.mpu.efuse.reg_bits = DRA752_EFUSE_REGBITS,
	.mpu.addr = TPS659038_REG_ADDR_SMPS12,
	.mpu.pmic = &tps659038,

	.eve.value = VDD_EVE_DRA752,
	.eve.efuse.reg = STD_FUSE_OPP_VMIN_DSPEVE_NOM,
	.eve.efuse.reg_bits = DRA752_EFUSE_REGBITS,
	.eve.addr = TPS659038_REG_ADDR_SMPS45,
	.eve.pmic = &tps659038,

	.gpu.value = VDD_GPU_DRA752,
	.gpu.efuse.reg = STD_FUSE_OPP_VMIN_GPU_NOM,
	.gpu.efuse.reg_bits = DRA752_EFUSE_REGBITS,
	.gpu.addr = TPS659038_REG_ADDR_SMPS45,
	.gpu.pmic = &tps659038,

	.core.value = VDD_CORE_DRA752,
	.core.efuse.reg = STD_FUSE_OPP_VMIN_CORE_NOM,
	.core.efuse.reg_bits = DRA752_EFUSE_REGBITS,
	.core.addr = TPS659038_REG_ADDR_SMPS6,
	.core.pmic = &tps659038,

	.iva.value = VDD_IVA_DRA752,
	.iva.efuse.reg = STD_FUSE_OPP_VMIN_IVA_NOM,
	.iva.efuse.reg_bits = DRA752_EFUSE_REGBITS,
	.iva.addr = TPS659038_REG_ADDR_SMPS45,
	.iva.pmic = &tps659038,
	};

	void hw_data_init(void)
	{
	*prcm = &dra7xx_prcm;
	*dplls_data = &dra7xx_dplls;
	*omap_vcores = &beagle_x15_volts;
	*ctrl = &dra7xx_ctrl;
	}

	int board_init(void)
	{
	gpmc_init();
	gd->bd->bi_boot_params = (CONFIG_SYS_SDRAM_BASE + 0x100);

	return 0;
	}

	int board_late_init(void)
	{
	init_sata(0);
	/*
	* DEV_CTRL.DEV_ON = 1 please - else palmas switches off in 8 seconds
	* This is the POWERHOLD-in-Low behavior.
	*/
	palmas_i2c_write_u8(TPS65903X_CHIP_P1, 0xA0, 0x1);
	return 0;
	}

	static void do_set_mux32(u32 base,
	struct pad_conf_entry const *array, int size)
	{
	int i;
	struct pad_conf_entry pad = (struct pad_conf_entry )array;

	for (i = 0; i < size; i++, pad++)
	writel(pad->val, base + pad->offset);
	}

	void set_muxconf_regs_essential(void)
	{
	do_set_mux32((*ctrl)->control_padconf_core_base,
	core_padconf_array_essential,
	sizeof(core_padconf_array_essential) /
	sizeof(struct pad_conf_entry));
	}

	#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
	int board_mmc_init(bd_t *bis)
	{
	omap_mmc_init(0, 0, 0, -1, -1);
	omap_mmc_init(1, 0, 0, -1, -1);
	return 0;
	}
	#endif

	#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_OS_BOOT)
	int spl_start_uboot(void)
	{
	/* break into full u-boot on 'c' */
	if (serial_tstc() && serial_getc() == 'c')
	return 1;

	#ifdef CONFIG_SPL_ENV_SUPPORT
	env_init();
	env_relocate_spec();
	if (getenv_yesno("boot_os") != 1)
	return 1;
	#endif

	return 0;
	}
	#endif

	#ifdef CONFIG_DRIVER_TI_CPSW

	/* Delay value to add to calibrated value */
	#define RGMII0_TXCTL_DLY_VAL ((0x3 << 5) + 0x8)
	#define RGMII0_TXD0_DLY_VAL ((0x3 << 5) + 0x8)
	#define RGMII0_TXD1_DLY_VAL ((0x3 << 5) + 0x2)
	#define RGMII0_TXD2_DLY_VAL ((0x4 << 5) + 0x0)
	#define RGMII0_TXD3_DLY_VAL ((0x4 << 5) + 0x0)
	#define VIN2A_D13_DLY_VAL ((0x3 << 5) + 0x8)
	#define VIN2A_D17_DLY_VAL ((0x3 << 5) + 0x8)
	#define VIN2A_D16_DLY_VAL ((0x3 << 5) + 0x2)
	#define VIN2A_D15_DLY_VAL ((0x4 << 5) + 0x0)
	#define VIN2A_D14_DLY_VAL ((0x4 << 5) + 0x0)

	static void cpsw_control(int enabled)
	{
	/* VTP can be added here */
	}

	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,
	};

	int board_eth_init(bd_t *bis)
	{
	int ret;
	uint8_t mac_addr[6];
	uint32_t mac_hi, mac_lo;
	uint32_t ctrl_val;

	/* try reading mac address from efuse */
	mac_lo = readl((*ctrl)->control_core_mac_id_0_lo);
	mac_hi = readl((*ctrl)->control_core_mac_id_0_hi);
	mac_addr[0] = (mac_hi & 0xFF0000) >> 16;
	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
	mac_addr[2] = mac_hi & 0xFF;
	mac_addr[3] = (mac_lo & 0xFF0000) >> 16;
	mac_addr[4] = (mac_lo & 0xFF00) >> 8;
	mac_addr[5] = mac_lo & 0xFF;

	if (!getenv("ethaddr")) {
	printf("<ethaddr> not set. Validating first E-fuse MAC\n");

	if (is_valid_ether_addr(mac_addr))
	eth_setenv_enetaddr("ethaddr", mac_addr);
	}

	mac_lo = readl((*ctrl)->control_core_mac_id_1_lo);
	mac_hi = readl((*ctrl)->control_core_mac_id_1_hi);
	mac_addr[0] = (mac_hi & 0xFF0000) >> 16;
	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
	mac_addr[2] = mac_hi & 0xFF;
	mac_addr[3] = (mac_lo & 0xFF0000) >> 16;
	mac_addr[4] = (mac_lo & 0xFF00) >> 8;
	mac_addr[5] = mac_lo & 0xFF;

	if (!getenv("eth1addr")) {
	if (is_valid_ether_addr(mac_addr))
	eth_setenv_enetaddr("eth1addr", mac_addr);
	}

	ctrl_val = readl((*ctrl)->control_core_control_io1) & (~0x33);
	ctrl_val \|= 0x22;
	writel(ctrl_val, (*ctrl)->control_core_control_io1);

	ret = cpsw_register(&cpsw_data);
	if (ret < 0)
	printf("Error %d registering CPSW switch\n", ret);

	return ret;
	}
	#endif

	#ifdef CONFIG_USB_XHCI_OMAP
	int board_usb_init(int index, enum usb_init_type init)
	{
	setbits_le32((*prcm)->cm_l3init_usb_otg_ss_clkctrl,
	OTG_SS_CLKCTRL_MODULEMODE_HW \| OPTFCLKEN_REFCLK960M);

	return 0;
	}
	#endif