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