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 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_setenv_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 257