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
|
/*
* Copyright 2016 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <i2c.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/fsl_serdes.h>
#include <asm/arch/soc.h>
#include <hwconfig.h>
#include <ahci.h>
#include <mmc.h>
#include <scsi.h>
#include <fsl_esdhc.h>
#include <environment.h>
#include <fsl_mmdc.h>
#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
static void set_wait_for_bits_clear(void *ptr, u32 value, u32 bits)
{
int timeout = 1000;
out_be32(ptr, value);
while (in_be32(ptr) & bits) {
udelay(100);
timeout--;
}
if (timeout <= 0)
puts("Error: wait for clear timeout.\n");
}
int checkboard(void)
{
u8 in1;
puts("Board: LS1012ARDB ");
/* Initialize i2c early for Serial flash bank information */
i2c_set_bus_num(0);
if (i2c_read(I2C_MUX_IO1_ADDR, 1, 1, &in1, 1) < 0) {
printf("Error reading i2c boot information!\n");
return 0; /* Don't want to hang() on this error */
}
puts("Version");
if ((in1 & (~__SW_REV_MASK)) == __SW_REV_A)
puts(": RevA");
else if ((in1 & (~__SW_REV_MASK)) == __SW_REV_B)
puts(": RevB");
else
puts(": unknown");
printf(", boot from QSPI");
if ((in1 & (~__SW_BOOT_MASK)) == __SW_BOOT_EMU)
puts(": emu\n");
else if ((in1 & (~__SW_BOOT_MASK)) == __SW_BOOT_BANK1)
puts(": bank1\n");
else if ((in1 & (~__SW_BOOT_MASK)) == __SW_BOOT_BANK2)
puts(": bank2\n");
else
puts("unknown\n");
return 0;
}
void mmdc_init(void)
{
struct mmdc_p_regs *mmdc =
(struct mmdc_p_regs *)CONFIG_SYS_FSL_DDR_ADDR;
out_be32(&mmdc->mdscr, CONFIGURATION_REQ);
/* configure timing parms */
out_be32(&mmdc->mdotc, CONFIG_SYS_MMDC_CORE_ODT_TIMING);
out_be32(&mmdc->mdcfg0, CONFIG_SYS_MMDC_CORE_TIMING_CFG_0);
out_be32(&mmdc->mdcfg1, CONFIG_SYS_MMDC_CORE_TIMING_CFG_1);
out_be32(&mmdc->mdcfg2, CONFIG_SYS_MMDC_CORE_TIMING_CFG_2);
/* other parms */
out_be32(&mmdc->mdmisc, CONFIG_SYS_MMDC_CORE_MISC);
out_be32(&mmdc->mpmur0, CONFIG_SYS_MMDC_PHY_MEASURE_UNIT);
out_be32(&mmdc->mdrwd, CONFIG_SYS_MMDC_CORE_RDWR_CMD_DELAY);
out_be32(&mmdc->mpodtctrl, CONFIG_SYS_MMDC_PHY_ODT_CTRL);
/* out of reset delays */
out_be32(&mmdc->mdor, CONFIG_SYS_MMDC_CORE_OUT_OF_RESET_DELAY);
/* physical parms */
out_be32(&mmdc->mdctl, CONFIG_SYS_MMDC_CORE_CONTROL_1);
out_be32(&mmdc->mdasp, CONFIG_SYS_MMDC_CORE_ADDR_PARTITION);
/* Enable MMDC */
out_be32(&mmdc->mdctl, CONFIG_SYS_MMDC_CORE_CONTROL_2);
/* dram init sequence: update MRs */
out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x8) | CONFIGURATION_REQ |
CMD_LOAD_MODE_REG | CMD_BANK_ADDR_2));
out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG |
CMD_BANK_ADDR_3));
out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ |
CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1));
out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x19) |
CMD_ADDR_LSB_MR_ADDR(0x30) | CONFIGURATION_REQ |
CMD_LOAD_MODE_REG | CMD_BANK_ADDR_0));
/* dram init sequence: ZQCL */
out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ |
CMD_ZQ_CALIBRATION | CMD_BANK_ADDR_0));
set_wait_for_bits_clear(&mmdc->mpzqhwctrl,
CONFIG_SYS_MMDC_PHY_ZQ_HW_CTRL,
FORCE_ZQ_AUTO_CALIBRATION);
/* Calibrations now: wr lvl */
out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x84) |
CONFIGURATION_REQ | CMD_LOAD_MODE_REG |
CMD_BANK_ADDR_1));
out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | WL_EN | CMD_NORMAL));
set_wait_for_bits_clear(&mmdc->mpwlgcr, WR_LVL_HW_EN, WR_LVL_HW_EN);
mdelay(1);
out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ |
CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1));
out_be32(&mmdc->mdscr, CONFIGURATION_REQ);
mdelay(1);
/* Calibrations now: Read DQS gating calibration */
out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ |
CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0));
out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ |
CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3));
out_be32(&mmdc->mppdcmpr2, MPR_COMPARE_EN);
out_be32(&mmdc->mprddlctl, CONFIG_SYS_MMDC_PHY_RD_DLY_LINES_CFG);
set_wait_for_bits_clear(&mmdc->mpdgctrl0,
AUTO_RD_DQS_GATING_CALIBRATION_EN,
AUTO_RD_DQS_GATING_CALIBRATION_EN);
out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG |
CMD_BANK_ADDR_3));
/* Calibrations now: Read calibration */
out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ |
CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0));
out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ |
CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3));
out_be32(&mmdc->mppdcmpr2, MPR_COMPARE_EN);
set_wait_for_bits_clear(&mmdc->mprddlhwctl,
AUTO_RD_CALIBRATION_EN,
AUTO_RD_CALIBRATION_EN);
out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG |
CMD_BANK_ADDR_3));
/* PD, SR */
out_be32(&mmdc->mdpdc, CONFIG_SYS_MMDC_CORE_PWR_DOWN_CTRL);
out_be32(&mmdc->mapsr, CONFIG_SYS_MMDC_CORE_PWR_SAV_CTRL_STAT);
/* refresh scheme */
set_wait_for_bits_clear(&mmdc->mdref,
CONFIG_SYS_MMDC_CORE_REFRESH_CTL,
START_REFRESH);
/* disable CON_REQ */
out_be32(&mmdc->mdscr, DISABLE_CFG_REQ);
}
int dram_init(void)
{
mmdc_init();
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
int board_eth_init(bd_t *bis)
{
return pci_eth_init(bis);
}
int board_early_init_f(void)
{
fsl_lsch2_early_init_f();
return 0;
}
int board_init(void)
{
struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
/*
* Set CCI-400 control override register to enable barrier
* transaction
*/
out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
#ifdef CONFIG_ENV_IS_NOWHERE
gd->env_addr = (ulong)&default_environment[0];
#endif
return 0;
}
int ft_board_setup(void *blob, bd_t *bd)
{
arch_fixup_fdt(blob);
ft_cpu_setup(blob, bd);
return 0;
}
|
