3 * Texas Instruments Incorporated, <www.ti.com>
5 * Lokesh Vutla <lokeshvutla@ti.com>
7 * Based on previous work by:
8 * Aneesh V <aneesh@ti.com>
9 * Steve Sakoman <steve@sakoman.com>
11 * SPDX-License-Identifier: GPL-2.0+
15 #include <asm/arch/sys_proto.h>
16 #include <asm/arch/mmc_host_def.h>
20 #ifdef CONFIG_DRIVER_TI_CPSW
24 DECLARE_GLOBAL_DATA_PTR;
26 const struct omap_sysinfo sysinfo = {
31 * Adjust I/O delays on the Tx control and data lines of each MAC port. This
32 * is a workaround in order to work properly with the DP83865 PHYs on the EVM.
33 * In 3COM RGMII mode this PHY applies it's own internal clock delay, so we
34 * essentially need to counteract the DRA7xx internal delay, and we do this
35 * by delaying the control and data lines. If not using this PHY, you probably
36 * don't need to do this stuff!
38 static void dra7xx_adj_io_delay(const struct io_delay *io_dly)
46 writel(CFG_IO_DELAY_UNLOCK_KEY, CFG_IO_DELAY_LOCK);
48 while(io_dly[i].addr) {
49 writel(CFG_IO_DELAY_ACCESS_PATTERN & ~CFG_IO_DELAY_LOCK_MASK,
51 delta = io_dly[i].dly;
52 reg_val = readl(io_dly[i].addr) & 0x3ff;
53 coarse = ((reg_val >> 5) & 0x1F) + ((delta >> 5) & 0x1F);
54 coarse = (coarse > 0x1F) ? (0x1F) : (coarse);
55 fine = (reg_val & 0x1F) + (delta & 0x1F);
56 fine = (fine > 0x1F) ? (0x1F) : (fine);
57 reg_val = CFG_IO_DELAY_ACCESS_PATTERN |
58 CFG_IO_DELAY_LOCK_MASK |
59 ((coarse << 5) | (fine));
60 writel(reg_val, io_dly[i].addr);
64 writel(CFG_IO_DELAY_LOCK_KEY, CFG_IO_DELAY_LOCK);
75 gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
81 * @brief misc_init_r - Configure EVM board specific configurations
82 * such as power configurations, ethernet initialization as phase2 of
92 static void do_set_mux32(u32 base,
93 struct pad_conf_entry const *array, int size)
96 struct pad_conf_entry *pad = (struct pad_conf_entry *)array;
98 for (i = 0; i < size; i++, pad++)
99 writel(pad->val, base + pad->offset);
102 void set_muxconf_regs_essential(void)
104 do_set_mux32((*ctrl)->control_padconf_core_base,
105 core_padconf_array_essential,
106 sizeof(core_padconf_array_essential) /
107 sizeof(struct pad_conf_entry));
110 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
111 int board_mmc_init(bd_t *bis)
113 omap_mmc_init(0, 0, 0, -1, -1);
114 omap_mmc_init(1, 0, 0, -1, -1);
119 #ifdef CONFIG_DRIVER_TI_CPSW
121 /* Delay value to add to calibrated value */
122 #define RGMII0_TXCTL_DLY_VAL ((0x3 << 5) + 0x8)
123 #define RGMII0_TXD0_DLY_VAL ((0x3 << 5) + 0x8)
124 #define RGMII0_TXD1_DLY_VAL ((0x3 << 5) + 0x2)
125 #define RGMII0_TXD2_DLY_VAL ((0x4 << 5) + 0x0)
126 #define RGMII0_TXD3_DLY_VAL ((0x4 << 5) + 0x0)
127 #define VIN2A_D13_DLY_VAL ((0x3 << 5) + 0x8)
128 #define VIN2A_D17_DLY_VAL ((0x3 << 5) + 0x8)
129 #define VIN2A_D16_DLY_VAL ((0x3 << 5) + 0x2)
130 #define VIN2A_D15_DLY_VAL ((0x4 << 5) + 0x0)
131 #define VIN2A_D14_DLY_VAL ((0x4 << 5) + 0x0)
133 static void cpsw_control(int enabled)
135 /* VTP can be added here */
140 static struct cpsw_slave_data cpsw_slaves[] = {
142 .slave_reg_ofs = 0x208,
143 .sliver_reg_ofs = 0xd80,
147 .slave_reg_ofs = 0x308,
148 .sliver_reg_ofs = 0xdc0,
153 static struct cpsw_platform_data cpsw_data = {
154 .mdio_base = CPSW_MDIO_BASE,
155 .cpsw_base = CPSW_BASE,
158 .cpdma_reg_ofs = 0x800,
160 .slave_data = cpsw_slaves,
161 .ale_reg_ofs = 0xd00,
163 .host_port_reg_ofs = 0x108,
164 .hw_stats_reg_ofs = 0x900,
165 .bd_ram_ofs = 0x2000,
166 .mac_control = (1 << 5),
167 .control = cpsw_control,
169 .version = CPSW_CTRL_VERSION_2,
172 int board_eth_init(bd_t *bis)
176 uint32_t mac_hi, mac_lo;
178 const struct io_delay io_dly[] = {
179 {CFG_RGMII0_TXCTL, RGMII0_TXCTL_DLY_VAL},
180 {CFG_RGMII0_TXD0, RGMII0_TXD0_DLY_VAL},
181 {CFG_RGMII0_TXD1, RGMII0_TXD1_DLY_VAL},
182 {CFG_RGMII0_TXD2, RGMII0_TXD2_DLY_VAL},
183 {CFG_RGMII0_TXD3, RGMII0_TXD3_DLY_VAL},
184 {CFG_VIN2A_D13, VIN2A_D13_DLY_VAL},
185 {CFG_VIN2A_D17, VIN2A_D17_DLY_VAL},
186 {CFG_VIN2A_D16, VIN2A_D16_DLY_VAL},
187 {CFG_VIN2A_D15, VIN2A_D15_DLY_VAL},
188 {CFG_VIN2A_D14, VIN2A_D14_DLY_VAL},
192 /* Adjust IO delay for RGMII tx path */
193 dra7xx_adj_io_delay(io_dly);
195 /* try reading mac address from efuse */
196 mac_lo = readl((*ctrl)->control_core_mac_id_0_lo);
197 mac_hi = readl((*ctrl)->control_core_mac_id_0_hi);
198 mac_addr[0] = mac_hi & 0xFF;
199 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
200 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
201 mac_addr[3] = mac_lo & 0xFF;
202 mac_addr[4] = (mac_lo & 0xFF00) >> 8;
203 mac_addr[5] = (mac_lo & 0xFF0000) >> 16;
205 if (!getenv("ethaddr")) {
206 printf("<ethaddr> not set. Validating first E-fuse MAC\n");
208 if (is_valid_ether_addr(mac_addr))
209 eth_setenv_enetaddr("ethaddr", mac_addr);
211 ctrl_val = readl((*ctrl)->control_core_control_io1) & (~0x33);
213 writel(ctrl_val, (*ctrl)->control_core_control_io1);
215 ret = cpsw_register(&cpsw_data);
217 printf("Error %d registering CPSW switch\n", ret);