text: // SPDX-License-Identifier: GPL-2.0+
  /*
   * evm.c
   *
   * Board functions for TI814x EVM
   *
   * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
   */
  
  #include <common.h>
  #include <cpsw.h>
  #include <environment.h>
  #include <errno.h>
  #include <spl.h>
  #include <asm/arch/cpu.h>
  #include <asm/arch/hardware.h>
  #include <asm/arch/omap.h>
  #include <asm/arch/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/io.h>
  #include <asm/emif.h>
  #include <asm/gpio.h>
  #include "evm.h"
  
  DECLARE_GLOBAL_DATA_PTR;
  
  static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
  
  /* UART Defines */
  #ifdef CONFIG_SPL_BUILD
  static const struct cmd_control evm_ddr2_cctrl_data = {
  	.cmd0csratio	= 0x80,
  	.cmd0iclkout	= 0x00,
  
  	.cmd1csratio	= 0x80,
  	.cmd1iclkout	= 0x00,
  
  	.cmd2csratio	= 0x80,
  	.cmd2iclkout	= 0x00,
  };
  
  static const struct emif_regs evm_ddr2_emif0_regs = {
  	.sdram_config			= 0x40801ab2,
  	.ref_ctrl			= 0x10000c30,
  	.sdram_tim1			= 0x0aaaf552,
  	.sdram_tim2			= 0x043631d2,
  	.sdram_tim3			= 0x00000327,
  	.emif_ddr_phy_ctlr_1		= 0x00000007
  };
  
  static const struct emif_regs evm_ddr2_emif1_regs = {
  	.sdram_config			= 0x40801ab2,
  	.ref_ctrl			= 0x10000c30,
  	.sdram_tim1			= 0x0aaaf552,
  	.sdram_tim2			= 0x043631d2,
  	.sdram_tim3			= 0x00000327,
  	.emif_ddr_phy_ctlr_1		= 0x00000007
  };
  
  const struct dmm_lisa_map_regs evm_lisa_map_regs = {
  	.dmm_lisa_map_0			= 0x00000000,
  	.dmm_lisa_map_1			= 0x00000000,
  	.dmm_lisa_map_2			= 0x806c0300,
  	.dmm_lisa_map_3			= 0x806c0300,
  };
  
  static const struct ddr_data evm_ddr2_data = {
  	.datardsratio0		= ((0x35<<10) | (0x35<<0)),
  	.datawdsratio0		= ((0x20<<10) | (0x20<<0)),
  	.datawiratio0		= ((0<<10) | (0<<0)),
  	.datagiratio0		= ((0<<10) | (0<<0)),
  	.datafwsratio0		= ((0x90<<10) | (0x90<<0)),
  	.datawrsratio0		= ((0x50<<10) | (0x50<<0)),
  };
  
  void set_uart_mux_conf(void)
  {
  	/* Set UART pins */
  	enable_uart0_pin_mux();
  }
  
  void set_mux_conf_regs(void)
  {
  	/* Set MMC pins */
  	enable_mmc1_pin_mux();
  
  	/* Set Ethernet pins */
  	enable_enet_pin_mux();
  }
  
  void sdram_init(void)
  {
  	config_dmm(&evm_lisa_map_regs);
  
  	config_ddr(0, NULL, &evm_ddr2_data, &evm_ddr2_cctrl_data,
  		   &evm_ddr2_emif0_regs, 0);
  	config_ddr(0, NULL, &evm_ddr2_data, &evm_ddr2_cctrl_data,
  		   &evm_ddr2_emif1_regs, 1);
  }
  #endif
  
  /*
   * Basic board specific setup.  Pinmux has been handled already.
   */
  int board_init(void)
  {
  	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
  	return 0;
  }
  
  #if defined(CONFIG_MMC)
  int board_mmc_init(bd_t *bis)
  {
  	omap_mmc_init(1, 0, 0, -1, -1);
  
  	return 0;
  }
  #endif
  
  #ifdef CONFIG_DRIVER_TI_CPSW
  static void cpsw_control(int enabled)
  {
  	/* VTP can be added here */
  
  	return;
  }
  
  static struct cpsw_slave_data cpsw_slaves[] = {
  	{
  		.slave_reg_ofs	= 0x50,
  		.sliver_reg_ofs	= 0x700,
  		.phy_addr	= 1,
  	},
  	{
  		.slave_reg_ofs	= 0x90,
  		.sliver_reg_ofs	= 0x740,
  		.phy_addr	= 0,
  	},
  };
  
  static struct cpsw_platform_data cpsw_data = {
  	.mdio_base		= CPSW_MDIO_BASE,
  	.cpsw_base		= CPSW_BASE,
  	.mdio_div		= 0xff,
  	.channels		= 8,
  	.cpdma_reg_ofs		= 0x100,
  	.slaves			= 1,
  	.slave_data		= cpsw_slaves,
  	.ale_reg_ofs		= 0x600,
  	.ale_entries		= 1024,
  	.host_port_reg_ofs	= 0x28,
  	.hw_stats_reg_ofs	= 0x400,
  	.bd_ram_ofs		= 0x2000,
  	.mac_control		= (1 << 5),
  	.control		= cpsw_control,
  	.host_port_num		= 0,
  	.version		= CPSW_CTRL_VERSION_1,
  };
  #endif
  
  int board_eth_init(bd_t *bis)
  {
  	uint8_t mac_addr[6];
  	uint32_t mac_hi, mac_lo;
  
  	if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
  		printf("<ethaddr> not set. Reading from E-fuse\n");
  		/* 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 (is_valid_ethaddr(mac_addr))
  			eth_env_set_enetaddr("ethaddr", mac_addr);
  		else
  			printf("Unable to read MAC address. Set <ethaddr>\n");
  	}
  
  	return cpsw_register(&cpsw_data);
  }
  