board/phytec/pcm051/board.c

   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 <[email protected]>
   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
  31 DECLARE_GLOBAL_DATA_PTR;
  32
  33 /* MII mode defines */
  34 #define RMII_RGMII2_MODE_ENABLE 0x49
  35
  36 static 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)
  44 const struct dpll_params dpll_ddr = {
  45                 DDR_CLK_MHZ, OSC-1, 1, -1, -1, -1, -1};
  46
  47 const struct dpll_params *get_dpll_ddr_params(void)
  48 {
  49         return &dpll_ddr;
  50 }
  51
  52 #ifdef CONFIG_REV1
  53 const 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
  61 static 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
  68 static 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
  79 static 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
  90 void 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
  96 const 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
 104 static 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
 111 static 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
 122 static 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
 133 void 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
 140 void set_uart_mux_conf(void)
 141 {
 142         enable_uart0_pin_mux();
 143 }
 144
 145 void 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  */
 158 int 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
 168 static void cpsw_control(int enabled)
 169 {
 170         /* VTP can be added here */
 171
 172         return;
 173 }
 174
 175 static 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
 190 static 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))
 212 int 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_getenv_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;
 244 try_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