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