1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * evm.c
4 *
5 * Board functions for TI814x EVM
6 *
7 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
8 */
9
10 #include <common.h>
11 #include <cpsw.h>
12 #include <environment.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
set_uart_mux_conf(void)79 void set_uart_mux_conf(void)
80 {
81 /* Set UART pins */
82 enable_uart0_pin_mux();
83 }
84
set_mux_conf_regs(void)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
sdram_init(void)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 */
board_init(void)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_MMC)
board_mmc_init(bd_t * bis)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
cpsw_control(int enabled)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
board_eth_init(bd_t * bis)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_env_get_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_env_set_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