uboot/board/phytec/pcm051/board.c
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   1/*
   2 * board.c
   3 *
   4 * Board functions for Phytec phyCORE-AM335x (pcm051) based boards
   5 *
   6 * Copyright (C) 2013 Lemonage Software GmbH
   7 * Author Lars Poeschel <poeschel@lemonage.de>
   8 *
   9 * SPDX-License-Identifier:     GPL-2.0+
  10 */
  11
  12#include <common.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 <i2c.h>
  27#include <miiphy.h>
  28#include <cpsw.h>
  29#include "board.h"
  30
  31DECLARE_GLOBAL_DATA_PTR;
  32
  33/* MII mode defines */
  34#define RMII_RGMII2_MODE_ENABLE 0x49
  35
  36static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
  37
  38#ifdef CONFIG_SPL_BUILD
  39
  40/* DDR RAM defines */
  41#define DDR_CLK_MHZ             303 /* DDR_DPLL_MULT value */
  42
  43#define OSC     (V_OSCK/1000000)
  44const struct dpll_params dpll_ddr = {
  45                DDR_CLK_MHZ, OSC-1, 1, -1, -1, -1, -1};
  46
  47const struct dpll_params *get_dpll_ddr_params(void)
  48{
  49        return &dpll_ddr;
  50}
  51
  52#ifdef CONFIG_REV1
  53const struct ctrl_ioregs ioregs = {
  54        .cm0ioctl               = MT41J256M8HX15E_IOCTRL_VALUE,
  55        .cm1ioctl               = MT41J256M8HX15E_IOCTRL_VALUE,
  56        .cm2ioctl               = MT41J256M8HX15E_IOCTRL_VALUE,
  57        .dt0ioctl               = MT41J256M8HX15E_IOCTRL_VALUE,
  58        .dt1ioctl               = MT41J256M8HX15E_IOCTRL_VALUE,
  59};
  60
  61static const struct ddr_data ddr3_data = {
  62        .datardsratio0 = MT41J256M8HX15E_RD_DQS,
  63        .datawdsratio0 = MT41J256M8HX15E_WR_DQS,
  64        .datafwsratio0 = MT41J256M8HX15E_PHY_FIFO_WE,
  65        .datawrsratio0 = MT41J256M8HX15E_PHY_WR_DATA,
  66};
  67
  68static const struct cmd_control ddr3_cmd_ctrl_data = {
  69        .cmd0csratio = MT41J256M8HX15E_RATIO,
  70        .cmd0iclkout = MT41J256M8HX15E_INVERT_CLKOUT,
  71
  72        .cmd1csratio = MT41J256M8HX15E_RATIO,
  73        .cmd1iclkout = MT41J256M8HX15E_INVERT_CLKOUT,
  74
  75        .cmd2csratio = MT41J256M8HX15E_RATIO,
  76        .cmd2iclkout = MT41J256M8HX15E_INVERT_CLKOUT,
  77};
  78
  79static struct emif_regs ddr3_emif_reg_data = {
  80        .sdram_config = MT41J256M8HX15E_EMIF_SDCFG,
  81        .ref_ctrl = MT41J256M8HX15E_EMIF_SDREF,
  82        .sdram_tim1 = MT41J256M8HX15E_EMIF_TIM1,
  83        .sdram_tim2 = MT41J256M8HX15E_EMIF_TIM2,
  84        .sdram_tim3 = MT41J256M8HX15E_EMIF_TIM3,
  85        .zq_config = MT41J256M8HX15E_ZQ_CFG,
  86        .emif_ddr_phy_ctlr_1 = MT41J256M8HX15E_EMIF_READ_LATENCY |
  87                                PHY_EN_DYN_PWRDN,
  88};
  89
  90void sdram_init(void)
  91{
  92        config_ddr(DDR_CLK_MHZ, &ioregs, &ddr3_data,
  93                   &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
  94}
  95#else
  96const struct ctrl_ioregs ioregs = {
  97        .cm0ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
  98        .cm1ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
  99        .cm2ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 100        .dt0ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 101        .dt1ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 102};
 103
 104static const struct ddr_data ddr3_data = {
 105        .datardsratio0 = MT41K256M16HA125E_RD_DQS,
 106        .datawdsratio0 = MT41K256M16HA125E_WR_DQS,
 107        .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
 108        .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
 109};
 110
 111static const struct cmd_control ddr3_cmd_ctrl_data = {
 112        .cmd0csratio = MT41K256M16HA125E_RATIO,
 113        .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 114
 115        .cmd1csratio = MT41K256M16HA125E_RATIO,
 116        .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 117
 118        .cmd2csratio = MT41K256M16HA125E_RATIO,
 119        .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 120};
 121
 122static struct emif_regs ddr3_emif_reg_data = {
 123        .sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
 124        .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
 125        .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
 126        .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
 127        .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
 128        .zq_config = MT41K256M16HA125E_ZQ_CFG,
 129        .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY |
 130                                PHY_EN_DYN_PWRDN,
 131};
 132
 133void sdram_init(void)
 134{
 135        config_ddr(DDR_CLK_MHZ, &ioregs, &ddr3_data,
 136                   &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
 137}
 138#endif
 139
 140void set_uart_mux_conf(void)
 141{
 142        enable_uart0_pin_mux();
 143}
 144
 145void set_mux_conf_regs(void)
 146{
 147        /* Initalize the board header */
 148        enable_i2c0_pin_mux();
 149        i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
 150
 151        enable_board_pin_mux();
 152}
 153#endif
 154
 155/*
 156 * Basic board specific setup.  Pinmux has been handled already.
 157 */
 158int board_init(void)
 159{
 160        i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
 161
 162        gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 163
 164        return 0;
 165}
 166
 167#ifdef CONFIG_DRIVER_TI_CPSW
 168static void cpsw_control(int enabled)
 169{
 170        /* VTP can be added here */
 171
 172        return;
 173}
 174
 175static struct cpsw_slave_data cpsw_slaves[] = {
 176        {
 177                .slave_reg_ofs  = 0x208,
 178                .sliver_reg_ofs = 0xd80,
 179                .phy_addr       = 0,
 180                .phy_if         = PHY_INTERFACE_MODE_RGMII,
 181        },
 182        {
 183                .slave_reg_ofs  = 0x308,
 184                .sliver_reg_ofs = 0xdc0,
 185                .phy_addr       = 1,
 186                .phy_if         = PHY_INTERFACE_MODE_RGMII,
 187        },
 188};
 189
 190static struct cpsw_platform_data cpsw_data = {
 191        .mdio_base              = CPSW_MDIO_BASE,
 192        .cpsw_base              = CPSW_BASE,
 193        .mdio_div               = 0xff,
 194        .channels               = 8,
 195        .cpdma_reg_ofs          = 0x800,
 196        .slaves                 = 1,
 197        .slave_data             = cpsw_slaves,
 198        .ale_reg_ofs            = 0xd00,
 199        .ale_entries            = 1024,
 200        .host_port_reg_ofs      = 0x108,
 201        .hw_stats_reg_ofs       = 0x900,
 202        .bd_ram_ofs             = 0x2000,
 203        .mac_control            = (1 << 5),
 204        .control                = cpsw_control,
 205        .host_port_num          = 0,
 206        .version                = CPSW_CTRL_VERSION_2,
 207};
 208#endif
 209
 210#if defined(CONFIG_DRIVER_TI_CPSW) || \
 211        (defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET))
 212int board_eth_init(bd_t *bis)
 213{
 214        int rv, n = 0;
 215#ifdef CONFIG_DRIVER_TI_CPSW
 216        uint8_t mac_addr[6];
 217        uint32_t mac_hi, mac_lo;
 218
 219        if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
 220                printf("<ethaddr> not set. Reading from E-fuse\n");
 221                /* try reading mac address from efuse */
 222                mac_lo = readl(&cdev->macid0l);
 223                mac_hi = readl(&cdev->macid0h);
 224                mac_addr[0] = mac_hi & 0xFF;
 225                mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 226                mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 227                mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 228                mac_addr[4] = mac_lo & 0xFF;
 229                mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 230
 231                if (is_valid_ethaddr(mac_addr))
 232                        eth_env_set_enetaddr("ethaddr", mac_addr);
 233                else
 234                        goto try_usbether;
 235        }
 236
 237        writel(RMII_RGMII2_MODE_ENABLE, &cdev->miisel);
 238
 239        rv = cpsw_register(&cpsw_data);
 240        if (rv < 0)
 241                printf("Error %d registering CPSW switch\n", rv);
 242        else
 243                n += rv;
 244try_usbether:
 245#endif
 246
 247#if defined(CONFIG_USB_ETHER) && !defined(CONFIG_SPL_BUILD)
 248        rv = usb_eth_initialize(bis);
 249        if (rv < 0)
 250                printf("Error %d registering USB_ETHER\n", rv);
 251        else
 252                n += rv;
 253#endif
 254        return n;
 255}
 256#endif
 257