4 * Board functions for TI814x EVM
6 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
8 * SPDX-License-Identifier: GPL-2.0+
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>
28 DECLARE_GLOBAL_DATA_PTR;
30 #ifdef CONFIG_SPL_BUILD
31 static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
34 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
37 #ifdef CONFIG_SPL_BUILD
38 static void uart_enable(void)
44 static void wdt_disable(void)
46 writel(0xAAAA, &wdtimer->wdtwspr);
47 while (readl(&wdtimer->wdtwwps) != 0x0)
49 writel(0x5555, &wdtimer->wdtwspr);
50 while (readl(&wdtimer->wdtwwps) != 0x0)
54 static const struct cmd_control evm_ddr2_cctrl_data = {
68 static const struct emif_regs evm_ddr2_emif0_regs = {
69 .sdram_config = 0x40801ab2,
70 .ref_ctrl = 0x10000c30,
71 .sdram_tim1 = 0x0aaaf552,
72 .sdram_tim2 = 0x043631d2,
73 .sdram_tim3 = 0x00000327,
74 .emif_ddr_phy_ctlr_1 = 0x00000007
77 static const struct emif_regs evm_ddr2_emif1_regs = {
78 .sdram_config = 0x40801ab2,
79 .ref_ctrl = 0x10000c30,
80 .sdram_tim1 = 0x0aaaf552,
81 .sdram_tim2 = 0x043631d2,
82 .sdram_tim3 = 0x00000327,
83 .emif_ddr_phy_ctlr_1 = 0x00000007
86 const struct dmm_lisa_map_regs evm_lisa_map_regs = {
87 .dmm_lisa_map_0 = 0x00000000,
88 .dmm_lisa_map_1 = 0x00000000,
89 .dmm_lisa_map_2 = 0x806c0300,
90 .dmm_lisa_map_3 = 0x806c0300,
93 static const struct ddr_data evm_ddr2_data = {
94 .datardsratio0 = ((0x35<<10) | (0x35<<0)),
95 .datawdsratio0 = ((0x20<<10) | (0x20<<0)),
96 .datawiratio0 = ((0<<10) | (0<<0)),
97 .datagiratio0 = ((0<<10) | (0<<0)),
98 .datafwsratio0 = ((0x90<<10) | (0x90<<0)),
99 .datawrsratio0 = ((0x50<<10) | (0x50<<0)),
100 .datauserank0delay = 1,
106 * early system init of muxing and clocks.
110 #ifdef CONFIG_SPL_BUILD
112 * Save the boot parameters passed from romcode.
113 * We cannot delay the saving further than this,
114 * to prevent overwrites.
116 #ifdef CONFIG_SPL_BUILD
117 save_omap_boot_params();
120 /* WDT1 is already running when the bootloader gets control
121 * Disable it to avoid "random" resets
128 /* Setup the PLLs and the clocks for the peripherals */
131 /* Enable RTC32K clock */
135 enable_uart0_pin_mux();
138 enable_mmc1_pin_mux();
140 /* Set Ethernet pins */
141 enable_enet_pin_mux();
148 preloader_console_init();
150 config_dmm(&evm_lisa_map_regs);
152 config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data,
153 &evm_ddr2_emif0_regs, 0);
154 config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data,
155 &evm_ddr2_emif1_regs, 1);
160 * Basic board specific setup. Pinmux has been handled already.
164 gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
168 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
169 int board_mmc_init(bd_t *bis)
171 omap_mmc_init(1, 0, 0, -1, -1);
177 #ifdef CONFIG_DRIVER_TI_CPSW
178 static void cpsw_control(int enabled)
180 /* VTP can be added here */
185 static struct cpsw_slave_data cpsw_slaves[] = {
187 .slave_reg_ofs = 0x50,
188 .sliver_reg_ofs = 0x700,
192 .slave_reg_ofs = 0x90,
193 .sliver_reg_ofs = 0x740,
198 static struct cpsw_platform_data cpsw_data = {
199 .mdio_base = CPSW_MDIO_BASE,
200 .cpsw_base = CPSW_BASE,
203 .cpdma_reg_ofs = 0x100,
205 .slave_data = cpsw_slaves,
206 .ale_reg_ofs = 0x600,
208 .host_port_reg_ofs = 0x28,
209 .hw_stats_reg_ofs = 0x400,
210 .bd_ram_ofs = 0x2000,
211 .mac_control = (1 << 5),
212 .control = cpsw_control,
214 .version = CPSW_CTRL_VERSION_1,
218 int board_eth_init(bd_t *bis)
221 uint32_t mac_hi, mac_lo;
223 if (!eth_getenv_enetaddr("ethaddr", mac_addr)) {
224 printf("<ethaddr> not set. Reading from E-fuse\n");
225 /* try reading mac address from efuse */
226 mac_lo = readl(&cdev->macid0l);
227 mac_hi = readl(&cdev->macid0h);
228 mac_addr[0] = mac_hi & 0xFF;
229 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
230 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
231 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
232 mac_addr[4] = mac_lo & 0xFF;
233 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
235 if (is_valid_ether_addr(mac_addr))
236 eth_setenv_enetaddr("ethaddr", mac_addr);
238 printf("Unable to read MAC address. Set <ethaddr>\n");
241 return cpsw_register(&cpsw_data);