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Lokesh Vutla687054a2013-02-12 21:29:08 +00001/*
2 * (C) Copyright 2013
3 * Texas Instruments Incorporated, <www.ti.com>
4 *
5 * Lokesh Vutla <lokeshvutla@ti.com>
6 *
7 * Based on previous work by:
8 * Aneesh V <aneesh@ti.com>
9 * Steve Sakoman <steve@sakoman.com>
10 *
Wolfgang Denk1a459662013-07-08 09:37:19 +020011 * SPDX-License-Identifier: GPL-2.0+
Lokesh Vutla687054a2013-02-12 21:29:08 +000012 */
13#include <common.h>
Nishanth Menoncb199102013-03-26 05:20:54 +000014#include <palmas.h>
Dan Murphye9024ef2014-02-03 06:59:02 -060015#include <sata.h>
Lokesh Vutla687054a2013-02-12 21:29:08 +000016#include <asm/arch/sys_proto.h>
17#include <asm/arch/mmc_host_def.h>
Roger Quadros21914ee2013-11-11 16:56:44 +020018#include <asm/arch/sata.h>
Lokesh Vutla687054a2013-02-12 21:29:08 +000019
20#include "mux_data.h"
21
Mugunthan V Nb1e26e32013-07-08 16:04:41 +053022#ifdef CONFIG_DRIVER_TI_CPSW
23#include <cpsw.h>
24#endif
25
Lokesh Vutla687054a2013-02-12 21:29:08 +000026DECLARE_GLOBAL_DATA_PTR;
27
28const struct omap_sysinfo sysinfo = {
29 "Board: DRA7xx\n"
30};
31
Mugunthan V Nb1e26e32013-07-08 16:04:41 +053032/*
33 * Adjust I/O delays on the Tx control and data lines of each MAC port. This
34 * is a workaround in order to work properly with the DP83865 PHYs on the EVM.
35 * In 3COM RGMII mode this PHY applies it's own internal clock delay, so we
36 * essentially need to counteract the DRA7xx internal delay, and we do this
37 * by delaying the control and data lines. If not using this PHY, you probably
38 * don't need to do this stuff!
39 */
40static void dra7xx_adj_io_delay(const struct io_delay *io_dly)
41{
42 int i = 0;
43 u32 reg_val;
44 u32 delta;
45 u32 coarse;
46 u32 fine;
47
48 writel(CFG_IO_DELAY_UNLOCK_KEY, CFG_IO_DELAY_LOCK);
49
50 while(io_dly[i].addr) {
51 writel(CFG_IO_DELAY_ACCESS_PATTERN & ~CFG_IO_DELAY_LOCK_MASK,
52 io_dly[i].addr);
53 delta = io_dly[i].dly;
54 reg_val = readl(io_dly[i].addr) & 0x3ff;
55 coarse = ((reg_val >> 5) & 0x1F) + ((delta >> 5) & 0x1F);
56 coarse = (coarse > 0x1F) ? (0x1F) : (coarse);
57 fine = (reg_val & 0x1F) + (delta & 0x1F);
58 fine = (fine > 0x1F) ? (0x1F) : (fine);
59 reg_val = CFG_IO_DELAY_ACCESS_PATTERN |
60 CFG_IO_DELAY_LOCK_MASK |
61 ((coarse << 5) | (fine));
62 writel(reg_val, io_dly[i].addr);
63 i++;
64 }
65
66 writel(CFG_IO_DELAY_LOCK_KEY, CFG_IO_DELAY_LOCK);
67}
68
Lokesh Vutla687054a2013-02-12 21:29:08 +000069/**
70 * @brief board_init
71 *
72 * @return 0
73 */
74int board_init(void)
75{
76 gpmc_init();
77 gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
78
79 return 0;
80}
81
Roger Quadros21914ee2013-11-11 16:56:44 +020082int board_late_init(void)
83{
Dan Murphye9024ef2014-02-03 06:59:02 -060084 init_sata(0);
Roger Quadros21914ee2013-11-11 16:56:44 +020085 return 0;
86}
87
Lokesh Vutla687054a2013-02-12 21:29:08 +000088/**
89 * @brief misc_init_r - Configure EVM board specific configurations
90 * such as power configurations, ethernet initialization as phase2 of
91 * boot sequence
92 *
93 * @return 0
94 */
95int misc_init_r(void)
96{
97 return 0;
98}
99
100static void do_set_mux32(u32 base,
101 struct pad_conf_entry const *array, int size)
102{
103 int i;
104 struct pad_conf_entry *pad = (struct pad_conf_entry *)array;
105
106 for (i = 0; i < size; i++, pad++)
107 writel(pad->val, base + pad->offset);
108}
109
110void set_muxconf_regs_essential(void)
111{
112 do_set_mux32((*ctrl)->control_padconf_core_base,
113 core_padconf_array_essential,
114 sizeof(core_padconf_array_essential) /
115 sizeof(struct pad_conf_entry));
116}
117
118#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
119int board_mmc_init(bd_t *bis)
120{
121 omap_mmc_init(0, 0, 0, -1, -1);
122 omap_mmc_init(1, 0, 0, -1, -1);
123 return 0;
124}
125#endif
Mugunthan V Nb1e26e32013-07-08 16:04:41 +0530126
127#ifdef CONFIG_DRIVER_TI_CPSW
128
129/* Delay value to add to calibrated value */
130#define RGMII0_TXCTL_DLY_VAL ((0x3 << 5) + 0x8)
131#define RGMII0_TXD0_DLY_VAL ((0x3 << 5) + 0x8)
132#define RGMII0_TXD1_DLY_VAL ((0x3 << 5) + 0x2)
133#define RGMII0_TXD2_DLY_VAL ((0x4 << 5) + 0x0)
134#define RGMII0_TXD3_DLY_VAL ((0x4 << 5) + 0x0)
135#define VIN2A_D13_DLY_VAL ((0x3 << 5) + 0x8)
136#define VIN2A_D17_DLY_VAL ((0x3 << 5) + 0x8)
137#define VIN2A_D16_DLY_VAL ((0x3 << 5) + 0x2)
138#define VIN2A_D15_DLY_VAL ((0x4 << 5) + 0x0)
139#define VIN2A_D14_DLY_VAL ((0x4 << 5) + 0x0)
140
141static void cpsw_control(int enabled)
142{
143 /* VTP can be added here */
144
145 return;
146}
147
148static struct cpsw_slave_data cpsw_slaves[] = {
149 {
150 .slave_reg_ofs = 0x208,
151 .sliver_reg_ofs = 0xd80,
152 .phy_id = 0,
153 },
154 {
155 .slave_reg_ofs = 0x308,
156 .sliver_reg_ofs = 0xdc0,
157 .phy_id = 1,
158 },
159};
160
161static struct cpsw_platform_data cpsw_data = {
162 .mdio_base = CPSW_MDIO_BASE,
163 .cpsw_base = CPSW_BASE,
164 .mdio_div = 0xff,
165 .channels = 8,
166 .cpdma_reg_ofs = 0x800,
167 .slaves = 1,
168 .slave_data = cpsw_slaves,
169 .ale_reg_ofs = 0xd00,
170 .ale_entries = 1024,
171 .host_port_reg_ofs = 0x108,
172 .hw_stats_reg_ofs = 0x900,
173 .bd_ram_ofs = 0x2000,
174 .mac_control = (1 << 5),
175 .control = cpsw_control,
176 .host_port_num = 0,
177 .version = CPSW_CTRL_VERSION_2,
178};
179
180int board_eth_init(bd_t *bis)
181{
182 int ret;
183 uint8_t mac_addr[6];
184 uint32_t mac_hi, mac_lo;
185 uint32_t ctrl_val;
186 const struct io_delay io_dly[] = {
187 {CFG_RGMII0_TXCTL, RGMII0_TXCTL_DLY_VAL},
188 {CFG_RGMII0_TXD0, RGMII0_TXD0_DLY_VAL},
189 {CFG_RGMII0_TXD1, RGMII0_TXD1_DLY_VAL},
190 {CFG_RGMII0_TXD2, RGMII0_TXD2_DLY_VAL},
191 {CFG_RGMII0_TXD3, RGMII0_TXD3_DLY_VAL},
192 {CFG_VIN2A_D13, VIN2A_D13_DLY_VAL},
193 {CFG_VIN2A_D17, VIN2A_D17_DLY_VAL},
194 {CFG_VIN2A_D16, VIN2A_D16_DLY_VAL},
195 {CFG_VIN2A_D15, VIN2A_D15_DLY_VAL},
196 {CFG_VIN2A_D14, VIN2A_D14_DLY_VAL},
197 {0}
198 };
199
200 /* Adjust IO delay for RGMII tx path */
201 dra7xx_adj_io_delay(io_dly);
202
203 /* try reading mac address from efuse */
204 mac_lo = readl((*ctrl)->control_core_mac_id_0_lo);
205 mac_hi = readl((*ctrl)->control_core_mac_id_0_hi);
Mugunthan V Ne0a1d592014-01-07 19:57:38 +0530206 mac_addr[0] = (mac_hi & 0xFF0000) >> 16;
Mugunthan V Nb1e26e32013-07-08 16:04:41 +0530207 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
Mugunthan V Ne0a1d592014-01-07 19:57:38 +0530208 mac_addr[2] = mac_hi & 0xFF;
209 mac_addr[3] = (mac_lo & 0xFF0000) >> 16;
Mugunthan V Nb1e26e32013-07-08 16:04:41 +0530210 mac_addr[4] = (mac_lo & 0xFF00) >> 8;
Mugunthan V Ne0a1d592014-01-07 19:57:38 +0530211 mac_addr[5] = mac_lo & 0xFF;
Mugunthan V Nb1e26e32013-07-08 16:04:41 +0530212
213 if (!getenv("ethaddr")) {
214 printf("<ethaddr> not set. Validating first E-fuse MAC\n");
215
216 if (is_valid_ether_addr(mac_addr))
217 eth_setenv_enetaddr("ethaddr", mac_addr);
218 }
219 ctrl_val = readl((*ctrl)->control_core_control_io1) & (~0x33);
220 ctrl_val |= 0x22;
221 writel(ctrl_val, (*ctrl)->control_core_control_io1);
222
223 ret = cpsw_register(&cpsw_data);
224 if (ret < 0)
225 printf("Error %d registering CPSW switch\n", ret);
226
227 return ret;
228}
229#endif