board/ti/ti814x/evm.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * evm.c
   4  *
   5  * Board functions for TI814x EVM
   6  *
   7  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
   8  */
   9
  10 #include <common.h>
  11 #include <cpsw.h>
  12 #include <env.h>
  13 #include <environment.h>
  14 #include <errno.h>
  15 #include <spl.h>
  16 #include <asm/arch/cpu.h>
  17 #include <asm/arch/hardware.h>
  18 #include <asm/arch/omap.h>
  19 #include <asm/arch/ddr_defs.h>
  20 #include <asm/arch/clock.h>
  21 #include <asm/arch/gpio.h>
  22 #include <asm/arch/mmc_host_def.h>
  23 #include <asm/arch/sys_proto.h>
  24 #include <asm/io.h>
  25 #include <asm/emif.h>
  26 #include <asm/gpio.h>
  27 #include "evm.h"
  28
  29 DECLARE_GLOBAL_DATA_PTR;
  30
  31 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
  32
  33 /* UART Defines */
  34 #ifdef CONFIG_SPL_BUILD
  35 static const struct cmd_control evm_ddr2_cctrl_data = {
  36         .cmd0csratio    = 0x80,
  37         .cmd0iclkout    = 0x00,
  38
  39         .cmd1csratio    = 0x80,
  40         .cmd1iclkout    = 0x00,
  41
  42         .cmd2csratio    = 0x80,
  43         .cmd2iclkout    = 0x00,
  44 };
  45
  46 static const struct emif_regs evm_ddr2_emif0_regs = {
  47         .sdram_config                   = 0x40801ab2,
  48         .ref_ctrl                       = 0x10000c30,
  49         .sdram_tim1                     = 0x0aaaf552,
  50         .sdram_tim2                     = 0x043631d2,
  51         .sdram_tim3                     = 0x00000327,
  52         .emif_ddr_phy_ctlr_1            = 0x00000007
  53 };
  54
  55 static const struct emif_regs evm_ddr2_emif1_regs = {
  56         .sdram_config                   = 0x40801ab2,
  57         .ref_ctrl                       = 0x10000c30,
  58         .sdram_tim1                     = 0x0aaaf552,
  59         .sdram_tim2                     = 0x043631d2,
  60         .sdram_tim3                     = 0x00000327,
  61         .emif_ddr_phy_ctlr_1            = 0x00000007
  62 };
  63
  64 const struct dmm_lisa_map_regs evm_lisa_map_regs = {
  65         .dmm_lisa_map_0                 = 0x00000000,
  66         .dmm_lisa_map_1                 = 0x00000000,
  67         .dmm_lisa_map_2                 = 0x806c0300,
  68         .dmm_lisa_map_3                 = 0x806c0300,
  69 };
  70
  71 static const struct ddr_data evm_ddr2_data = {
  72         .datardsratio0          = ((0x35<<10) | (0x35<<0)),
  73         .datawdsratio0          = ((0x20<<10) | (0x20<<0)),
  74         .datawiratio0           = ((0<<10) | (0<<0)),
  75         .datagiratio0           = ((0<<10) | (0<<0)),
  76         .datafwsratio0          = ((0x90<<10) | (0x90<<0)),
  77         .datawrsratio0          = ((0x50<<10) | (0x50<<0)),
  78 };
  79
  80 void set_uart_mux_conf(void)
  81 {
  82         /* Set UART pins */
  83         enable_uart0_pin_mux();
  84 }
  85
  86 void set_mux_conf_regs(void)
  87 {
  88         /* Set MMC pins */
  89         enable_mmc1_pin_mux();
  90
  91         /* Set Ethernet pins */
  92         enable_enet_pin_mux();
  93 }
  94
  95 void sdram_init(void)
  96 {
  97         config_dmm(&evm_lisa_map_regs);
  98
  99         config_ddr(0, NULL, &evm_ddr2_data, &evm_ddr2_cctrl_data,
 100                    &evm_ddr2_emif0_regs, 0);
 101         config_ddr(0, NULL, &evm_ddr2_data, &evm_ddr2_cctrl_data,
 102                    &evm_ddr2_emif1_regs, 1);
 103 }
 104 #endif
 105
 106 /*
 107  * Basic board specific setup.  Pinmux has been handled already.
 108  */
 109 int board_init(void)
 110 {
 111         gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 112         return 0;
 113 }
 114
 115 #if defined(CONFIG_MMC)
 116 int board_mmc_init(bd_t *bis)
 117 {
 118         omap_mmc_init(1, 0, 0, -1, -1);
 119
 120         return 0;
 121 }
 122 #endif
 123
 124 #ifdef CONFIG_DRIVER_TI_CPSW
 125 static void cpsw_control(int enabled)
 126 {
 127         /* VTP can be added here */
 128
 129         return;
 130 }
 131
 132 static struct cpsw_slave_data cpsw_slaves[] = {
 133         {
 134                 .slave_reg_ofs  = 0x50,
 135                 .sliver_reg_ofs = 0x700,
 136                 .phy_addr       = 1,
 137         },
 138         {
 139                 .slave_reg_ofs  = 0x90,
 140                 .sliver_reg_ofs = 0x740,
 141                 .phy_addr       = 0,
 142         },
 143 };
 144
 145 static struct cpsw_platform_data cpsw_data = {
 146         .mdio_base              = CPSW_MDIO_BASE,
 147         .cpsw_base              = CPSW_BASE,
 148         .mdio_div               = 0xff,
 149         .channels               = 8,
 150         .cpdma_reg_ofs          = 0x100,
 151         .slaves                 = 1,
 152         .slave_data             = cpsw_slaves,
 153         .ale_reg_ofs            = 0x600,
 154         .ale_entries            = 1024,
 155         .host_port_reg_ofs      = 0x28,
 156         .hw_stats_reg_ofs       = 0x400,
 157         .bd_ram_ofs             = 0x2000,
 158         .mac_control            = (1 << 5),
 159         .control                = cpsw_control,
 160         .host_port_num          = 0,
 161         .version                = CPSW_CTRL_VERSION_1,
 162 };
 163 #endif
 164
 165 int board_eth_init(bd_t *bis)
 166 {
 167         uint8_t mac_addr[6];
 168         uint32_t mac_hi, mac_lo;
 169
 170         if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
 171                 printf("<ethaddr> not set. Reading from E-fuse\n");
 172                 /* try reading mac address from efuse */
 173                 mac_lo = readl(&cdev->macid0l);
 174                 mac_hi = readl(&cdev->macid0h);
 175                 mac_addr[0] = mac_hi & 0xFF;
 176                 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 177                 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 178                 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 179                 mac_addr[4] = mac_lo & 0xFF;
 180                 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 181
 182                 if (is_valid_ethaddr(mac_addr))
 183                         eth_env_set_enetaddr("ethaddr", mac_addr);
 184                 else
 185                         printf("Unable to read MAC address. Set <ethaddr>\n");
 186         }
 187
 188         return cpsw_register(&cpsw_data);
 189 }