1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
/*
* Board functions for TI AM335X based dxr2 board
* (C) Copyright 2013 Siemens Schweiz AG
* (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
* Based on:
*
* Board functions for TI AM335X based boards
* u-boot:/board/ti/am335x/board.c
*
* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <errno.h>
#include <spl.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>
#include <asm/arch/omap.h>
#include <asm/arch/ddr_defs.h>
#include <asm/arch/clock.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
#include <asm/emif.h>
#include <asm/gpio.h>
#include <i2c.h>
#include <miiphy.h>
#include <cpsw.h>
#include <watchdog.h>
#include "board.h"
#include "../common/factoryset.h"
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_SPL_BUILD
static struct dxr2_baseboard_id __attribute__((section(".data"))) settings;
const struct ddr3_data ddr3_default = {
0x33524444, 0x56312e33, 0x0100, 0x0001, 0x003A, 0x008A, 0x010B,
0x00C4, 0x0888A39B, 0x26247FDA, 0x501F821F, 0x0006, 0x61C04AB2,
0x00000618,
};
static void set_default_ddr3_timings(void)
{
printf("Set default DDR3 settings\n");
settings.ddr3 = ddr3_default;
}
static void print_ddr3_timings(void)
{
printf("\n\nDDR3 Timing parameters:\n");
printf("Diff Eeprom Default\n");
PRINTARGS(magic);
PRINTARGS(version);
PRINTARGS(ddr3_sratio);
PRINTARGS(iclkout);
PRINTARGS(dt0rdsratio0);
PRINTARGS(dt0wdsratio0);
PRINTARGS(dt0fwsratio0);
PRINTARGS(dt0wrsratio0);
PRINTARGS(sdram_tim1);
PRINTARGS(sdram_tim2);
PRINTARGS(sdram_tim3);
PRINTARGS(emif_ddr_phy_ctlr_1);
PRINTARGS(sdram_config);
PRINTARGS(ref_ctrl);
}
static void print_chip_data(void)
{
printf("\n");
printf("Device: '%s'\n", settings.chip.sdevname);
printf("HW version: '%s'\n", settings.chip.shwver);
}
#endif /* CONFIG_SPL_BUILD */
/*
* Read header information from EEPROM into global structure.
*/
static int read_eeprom(void)
{
/* Check if baseboard eeprom is available */
if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
printf("Could not probe the EEPROM; something fundamentally wrong on the I2C bus.\n");
return 1;
}
#ifdef CONFIG_SPL_BUILD
/* Read Siemens eeprom data (DDR3) */
if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, EEPROM_ADDR_DDR3, 2,
(uchar *)&settings.ddr3, sizeof(struct ddr3_data))) {
printf("Could not read the EEPROM; something fundamentally wrong on the I2C bus.\nUse default DDR3 timings\n");
set_default_ddr3_timings();
}
/* Read Siemens eeprom data (CHIP) */
if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, EEPROM_ADDR_CHIP, 2,
(uchar *)&settings.chip, sizeof(settings.chip)))
printf("Could not read chip settings\n");
if (ddr3_default.magic == settings.ddr3.magic &&
ddr3_default.version == settings.ddr3.version) {
printf("Using DDR3 settings from EEPROM\n");
} else {
if (ddr3_default.magic != settings.ddr3.magic)
printf("Error: No valid DDR3 data in eeprom.\n");
if (ddr3_default.version != settings.ddr3.version)
printf("Error: DDR3 data version does not match.\n");
printf("Using default settings\n");
set_default_ddr3_timings();
}
if (MAGIC_CHIP == settings.chip.magic) {
printf("Valid chip data in eeprom\n");
print_chip_data();
} else {
printf("Error: No chip data in eeprom\n");
}
print_ddr3_timings();
#endif
return 0;
}
#ifdef CONFIG_SPL_BUILD
static void board_init_ddr(void)
{
struct emif_regs dxr2_ddr3_emif_reg_data = {
.zq_config = 0x50074BE4,
};
struct ddr_data dxr2_ddr3_data = {
.datadldiff0 = PHY_DLL_LOCK_DIFF,
};
struct cmd_control dxr2_ddr3_cmd_ctrl_data = {
.cmd0dldiff = 0,
.cmd1dldiff = 0,
.cmd2dldiff = 0,
};
/* pass values from eeprom */
dxr2_ddr3_emif_reg_data.sdram_tim1 = settings.ddr3.sdram_tim1;
dxr2_ddr3_emif_reg_data.sdram_tim2 = settings.ddr3.sdram_tim2;
dxr2_ddr3_emif_reg_data.sdram_tim3 = settings.ddr3.sdram_tim3;
dxr2_ddr3_emif_reg_data.emif_ddr_phy_ctlr_1 =
settings.ddr3.emif_ddr_phy_ctlr_1;
dxr2_ddr3_emif_reg_data.sdram_config = settings.ddr3.sdram_config;
dxr2_ddr3_emif_reg_data.ref_ctrl = settings.ddr3.ref_ctrl;
dxr2_ddr3_data.datardsratio0 = settings.ddr3.dt0rdsratio0;
dxr2_ddr3_data.datawdsratio0 = settings.ddr3.dt0wdsratio0;
dxr2_ddr3_data.datafwsratio0 = settings.ddr3.dt0fwsratio0;
dxr2_ddr3_data.datawrsratio0 = settings.ddr3.dt0wrsratio0;
dxr2_ddr3_cmd_ctrl_data.cmd0csratio = settings.ddr3.ddr3_sratio;
dxr2_ddr3_cmd_ctrl_data.cmd0iclkout = settings.ddr3.iclkout;
dxr2_ddr3_cmd_ctrl_data.cmd1csratio = settings.ddr3.ddr3_sratio;
dxr2_ddr3_cmd_ctrl_data.cmd1iclkout = settings.ddr3.iclkout;
dxr2_ddr3_cmd_ctrl_data.cmd2csratio = settings.ddr3.ddr3_sratio;
dxr2_ddr3_cmd_ctrl_data.cmd2iclkout = settings.ddr3.iclkout;
config_ddr(DDR_PLL_FREQ, DXR2_IOCTRL_VAL, &dxr2_ddr3_data,
&dxr2_ddr3_cmd_ctrl_data, &dxr2_ddr3_emif_reg_data, 0);
}
static void spl_siemens_board_init(void)
{
return;
}
#endif /* if def CONFIG_SPL_BUILD */
#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
static void cpsw_control(int enabled)
{
/* VTP can be added here */
return;
}
static struct cpsw_slave_data cpsw_slaves[] = {
{
.slave_reg_ofs = 0x208,
.sliver_reg_ofs = 0xd80,
.phy_id = 0,
.phy_if = PHY_INTERFACE_MODE_MII,
},
};
static struct cpsw_platform_data cpsw_data = {
.mdio_base = CPSW_MDIO_BASE,
.cpsw_base = CPSW_BASE,
.mdio_div = 0xff,
.channels = 4,
.cpdma_reg_ofs = 0x800,
.slaves = 1,
.slave_data = cpsw_slaves,
.ale_reg_ofs = 0xd00,
.ale_entries = 1024,
.host_port_reg_ofs = 0x108,
.hw_stats_reg_ofs = 0x900,
.bd_ram_ofs = 0x2000,
.mac_control = (1 << 5),
.control = cpsw_control,
.host_port_num = 0,
.version = CPSW_CTRL_VERSION_2,
};
#if defined(CONFIG_DRIVER_TI_CPSW) || \
(defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET))
int board_eth_init(bd_t *bis)
{
struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
int n = 0;
int rv;
factoryset_setenv();
/* Set rgmii mode and enable rmii clock to be sourced from chip */
writel((RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE), &cdev->miisel);
rv = cpsw_register(&cpsw_data);
if (rv < 0)
printf("Error %d registering CPSW switch\n", rv);
else
n += rv;
return n;
}
#endif /* #if defined(CONFIG_DRIVER_TI_CPSW) */
#endif /* #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) */
#include "../common/board.c"
|
