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