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 .cmd0dldiff = 0x04, 37 .cmd0iclkout = 0x00, 38 39 .cmd1csratio = 0x80, 40 .cmd1dldiff = 0x04, 41 .cmd1iclkout = 0x00, 42 43 .cmd2csratio = 0x80, 44 .cmd2dldiff = 0x04, 45 .cmd2iclkout = 0x00, 46 }; 47 48 static const struct emif_regs evm_ddr2_emif0_regs = { 49 .sdram_config = 0x40801ab2, 50 .ref_ctrl = 0x10000c30, 51 .sdram_tim1 = 0x0aaaf552, 52 .sdram_tim2 = 0x043631d2, 53 .sdram_tim3 = 0x00000327, 54 .emif_ddr_phy_ctlr_1 = 0x00000007 55 }; 56 57 static const struct emif_regs evm_ddr2_emif1_regs = { 58 .sdram_config = 0x40801ab2, 59 .ref_ctrl = 0x10000c30, 60 .sdram_tim1 = 0x0aaaf552, 61 .sdram_tim2 = 0x043631d2, 62 .sdram_tim3 = 0x00000327, 63 .emif_ddr_phy_ctlr_1 = 0x00000007 64 }; 65 66 const struct dmm_lisa_map_regs evm_lisa_map_regs = { 67 .dmm_lisa_map_0 = 0x00000000, 68 .dmm_lisa_map_1 = 0x00000000, 69 .dmm_lisa_map_2 = 0x806c0300, 70 .dmm_lisa_map_3 = 0x806c0300, 71 }; 72 73 static const struct ddr_data evm_ddr2_data = { 74 .datardsratio0 = ((0x35<<10) | (0x35<<0)), 75 .datawdsratio0 = ((0x20<<10) | (0x20<<0)), 76 .datawiratio0 = ((0<<10) | (0<<0)), 77 .datagiratio0 = ((0<<10) | (0<<0)), 78 .datafwsratio0 = ((0x90<<10) | (0x90<<0)), 79 .datawrsratio0 = ((0x50<<10) | (0x50<<0)), 80 .datauserank0delay = 1, 81 .datadldiff0 = 0x4, 82 }; 83 84 void set_uart_mux_conf(void) 85 { 86 /* Set UART pins */ 87 enable_uart0_pin_mux(); 88 } 89 90 void set_mux_conf_regs(void) 91 { 92 /* Set MMC pins */ 93 enable_mmc1_pin_mux(); 94 95 /* Set Ethernet pins */ 96 enable_enet_pin_mux(); 97 } 98 99 void sdram_init(void) 100 { 101 config_dmm(&evm_lisa_map_regs); 102 103 config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data, 104 &evm_ddr2_emif0_regs, 0); 105 config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data, 106 &evm_ddr2_emif1_regs, 1); 107 } 108 #endif 109 110 /* 111 * Basic board specific setup. Pinmux has been handled already. 112 */ 113 int board_init(void) 114 { 115 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 116 return 0; 117 } 118 119 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) 120 int board_mmc_init(bd_t *bis) 121 { 122 omap_mmc_init(1, 0, 0, -1, -1); 123 124 return 0; 125 } 126 #endif 127 128 #ifdef CONFIG_DRIVER_TI_CPSW 129 static void cpsw_control(int enabled) 130 { 131 /* VTP can be added here */ 132 133 return; 134 } 135 136 static struct cpsw_slave_data cpsw_slaves[] = { 137 { 138 .slave_reg_ofs = 0x50, 139 .sliver_reg_ofs = 0x700, 140 .phy_id = 1, 141 }, 142 { 143 .slave_reg_ofs = 0x90, 144 .sliver_reg_ofs = 0x740, 145 .phy_id = 0, 146 }, 147 }; 148 149 static struct cpsw_platform_data cpsw_data = { 150 .mdio_base = CPSW_MDIO_BASE, 151 .cpsw_base = CPSW_BASE, 152 .mdio_div = 0xff, 153 .channels = 8, 154 .cpdma_reg_ofs = 0x100, 155 .slaves = 1, 156 .slave_data = cpsw_slaves, 157 .ale_reg_ofs = 0x600, 158 .ale_entries = 1024, 159 .host_port_reg_ofs = 0x28, 160 .hw_stats_reg_ofs = 0x400, 161 .bd_ram_ofs = 0x2000, 162 .mac_control = (1 << 5), 163 .control = cpsw_control, 164 .host_port_num = 0, 165 .version = CPSW_CTRL_VERSION_1, 166 }; 167 #endif 168 169 int board_eth_init(bd_t *bis) 170 { 171 uint8_t mac_addr[6]; 172 uint32_t mac_hi, mac_lo; 173 174 if (!eth_getenv_enetaddr("ethaddr", mac_addr)) { 175 printf("<ethaddr> not set. Reading from E-fuse\n"); 176 /* try reading mac address from efuse */ 177 mac_lo = readl(&cdev->macid0l); 178 mac_hi = readl(&cdev->macid0h); 179 mac_addr[0] = mac_hi & 0xFF; 180 mac_addr[1] = (mac_hi & 0xFF00) >> 8; 181 mac_addr[2] = (mac_hi & 0xFF0000) >> 16; 182 mac_addr[3] = (mac_hi & 0xFF000000) >> 24; 183 mac_addr[4] = mac_lo & 0xFF; 184 mac_addr[5] = (mac_lo & 0xFF00) >> 8; 185 186 if (is_valid_ether_addr(mac_addr)) 187 eth_setenv_enetaddr("ethaddr", mac_addr); 188 else 189 printf("Unable to read MAC address. Set <ethaddr>\n"); 190 } 191 192 return cpsw_register(&cpsw_data); 193 } 194