board/ti/ti814x/evm.c

   1 /*
   2  * evm.c
   3  *
   4  * Board functions for TI814x EVM
   5  *
   6  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
   7  *
   8  * SPDX-License-Identifier:     GPL-2.0+
   9  */
  10
  11 #include <common.h>
  12 #include <cpsw.h>
  13 #include <errno.h>
  14 #include <spl.h>
  15 #include <asm/arch/cpu.h>
  16 #include <asm/arch/hardware.h>
  17 #include <asm/arch/omap.h>
  18 #include <asm/arch/ddr_defs.h>
  19 #include <asm/arch/clock.h>
  20 #include <asm/arch/gpio.h>
  21 #include <asm/arch/mmc_host_def.h>
  22 #include <asm/arch/sys_proto.h>
  23 #include <asm/io.h>
  24 #include <asm/emif.h>
  25 #include <asm/gpio.h>
  26 #include "evm.h"
  27
  28 DECLARE_GLOBAL_DATA_PTR;
  29
  30 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
  31
  32 /* UART Defines */
  33 #ifdef CONFIG_SPL_BUILD
  34 static const struct cmd_control evm_ddr2_cctrl_data = {
  35         .cmd0csratio    = 0x80,
  36         .cmd0dldiff     = 0x04,
  37         .cmd0iclkout    = 0x00,
  38
  39         .cmd1csratio    = 0x80,
  40         .cmd1dldiff     = 0x04,
  41         .cmd1iclkout    = 0x00,
  42
  43         .cmd2csratio    = 0x80,
  44         .cmd2dldiff     = 0x04,
  45         .cmd2iclkout    = 0x00,
  46 };
  47
  48 static const struct emif_regs evm_ddr2_emif0_regs = {
  49         .sdram_config                   = 0x40801ab2,
  50         .ref_ctrl                       = 0x10000c30,
  51         .sdram_tim1                     = 0x0aaaf552,
  52         .sdram_tim2                     = 0x043631d2,
  53         .sdram_tim3                     = 0x00000327,
  54         .emif_ddr_phy_ctlr_1            = 0x00000007
  55 };
  56
  57 static const struct emif_regs evm_ddr2_emif1_regs = {
  58         .sdram_config                   = 0x40801ab2,
  59         .ref_ctrl                       = 0x10000c30,
  60         .sdram_tim1                     = 0x0aaaf552,
  61         .sdram_tim2                     = 0x043631d2,
  62         .sdram_tim3                     = 0x00000327,
  63         .emif_ddr_phy_ctlr_1            = 0x00000007
  64 };
  65
  66 const struct dmm_lisa_map_regs evm_lisa_map_regs = {
  67         .dmm_lisa_map_0                 = 0x00000000,
  68         .dmm_lisa_map_1                 = 0x00000000,
  69         .dmm_lisa_map_2                 = 0x806c0300,
  70         .dmm_lisa_map_3                 = 0x806c0300,
  71 };
  72
  73 static const struct ddr_data evm_ddr2_data = {
  74         .datardsratio0          = ((0x35<<10) | (0x35<<0)),
  75         .datawdsratio0          = ((0x20<<10) | (0x20<<0)),
  76         .datawiratio0           = ((0<<10) | (0<<0)),
  77         .datagiratio0           = ((0<<10) | (0<<0)),
  78         .datafwsratio0          = ((0x90<<10) | (0x90<<0)),
  79         .datawrsratio0          = ((0x50<<10) | (0x50<<0)),
  80         .datauserank0delay      = 1,
  81         .datadldiff0            = 0x4,
  82 };
  83
  84 void set_uart_mux_conf(void)
  85 {
  86         /* Set UART pins */
  87         enable_uart0_pin_mux();
  88 }
  89
  90 void set_mux_conf_regs(void)
  91 {
  92         /* Set MMC pins */
  93         enable_mmc1_pin_mux();
  94
  95         /* Set Ethernet pins */
  96         enable_enet_pin_mux();
  97 }
  98
  99 void sdram_init(void)
 100 {
 101         config_dmm(&evm_lisa_map_regs);
 102
 103         config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data,
 104                    &evm_ddr2_emif0_regs, 0);
 105         config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data,
 106                    &evm_ddr2_emif1_regs, 1);
 107 }
 108 #endif
 109
 110 /*
 111  * Basic board specific setup.  Pinmux has been handled already.
 112  */
 113 int board_init(void)
 114 {
 115         gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 116         return 0;
 117 }
 118
 119 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
 120 int board_mmc_init(bd_t *bis)
 121 {
 122         omap_mmc_init(1, 0, 0, -1, -1);
 123
 124         return 0;
 125 }
 126 #endif
 127
 128 #ifdef CONFIG_DRIVER_TI_CPSW
 129 static void cpsw_control(int enabled)
 130 {
 131         /* VTP can be added here */
 132
 133         return;
 134 }
 135
 136 static struct cpsw_slave_data cpsw_slaves[] = {
 137         {
 138                 .slave_reg_ofs  = 0x50,
 139                 .sliver_reg_ofs = 0x700,
 140                 .phy_id         = 1,
 141         },
 142         {
 143                 .slave_reg_ofs  = 0x90,
 144                 .sliver_reg_ofs = 0x740,
 145                 .phy_id         = 0,
 146         },
 147 };
 148
 149 static struct cpsw_platform_data cpsw_data = {
 150         .mdio_base              = CPSW_MDIO_BASE,
 151         .cpsw_base              = CPSW_BASE,
 152         .mdio_div               = 0xff,
 153         .channels               = 8,
 154         .cpdma_reg_ofs          = 0x100,
 155         .slaves                 = 1,
 156         .slave_data             = cpsw_slaves,
 157         .ale_reg_ofs            = 0x600,
 158         .ale_entries            = 1024,
 159         .host_port_reg_ofs      = 0x28,
 160         .hw_stats_reg_ofs       = 0x400,
 161         .bd_ram_ofs             = 0x2000,
 162         .mac_control            = (1 << 5),
 163         .control                = cpsw_control,
 164         .host_port_num          = 0,
 165         .version                = CPSW_CTRL_VERSION_1,
 166 };
 167 #endif
 168
 169 int board_eth_init(bd_t *bis)
 170 {
 171         uint8_t mac_addr[6];
 172         uint32_t mac_hi, mac_lo;
 173
 174         if (!eth_getenv_enetaddr("ethaddr", mac_addr)) {
 175                 printf("<ethaddr> not set. Reading from E-fuse\n");
 176                 /* try reading mac address from efuse */
 177                 mac_lo = readl(&cdev->macid0l);
 178                 mac_hi = readl(&cdev->macid0h);
 179                 mac_addr[0] = mac_hi & 0xFF;
 180                 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 181                 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 182                 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 183                 mac_addr[4] = mac_lo & 0xFF;
 184                 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 185
 186                 if (is_valid_ether_addr(mac_addr))
 187                         eth_setenv_enetaddr("ethaddr", mac_addr);
 188                 else
 189                         printf("Unable to read MAC address. Set <ethaddr>\n");
 190         }
 191
 192         return cpsw_register(&cpsw_data);
 193 }