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
242
243
244
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Keystone : Board initialization
*
* (C) Copyright 2014
* Texas Instruments Incorporated, <www.ti.com>
*/
#include <common.h>
#include "board.h"
#include <env.h>
#include <hang.h>
#include <image.h>
#include <init.h>
#include <spl.h>
#include <exports.h>
#include <fdt_support.h>
#include <asm/arch/ddr3.h>
#include <asm/arch/psc_defs.h>
#include <asm/arch/clock.h>
#include <asm/ti-common/ti-aemif.h>
#include <asm/ti-common/keystone_net.h>
DECLARE_GLOBAL_DATA_PTR;
#if defined(CONFIG_TI_AEMIF)
static struct aemif_config aemif_configs[] = {
{ /* CS0 */
.mode = AEMIF_MODE_NAND,
.wr_setup = 0xf,
.wr_strobe = 0x3f,
.wr_hold = 7,
.rd_setup = 0xf,
.rd_strobe = 0x3f,
.rd_hold = 7,
.turn_around = 3,
.width = AEMIF_WIDTH_8,
},
};
#endif
int dram_init(void)
{
u32 ddr3_size;
ddr3_size = ddr3_init();
gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
CONFIG_MAX_RAM_BANK_SIZE);
#if defined(CONFIG_TI_AEMIF)
if (!(board_is_k2g_ice() || board_is_k2g_i1()))
aemif_init(ARRAY_SIZE(aemif_configs), aemif_configs);
#endif
if (!(board_is_k2g_ice() || board_is_k2g_i1())) {
if (ddr3_size)
ddr3_init_ecc(KS2_DDR3A_EMIF_CTRL_BASE, ddr3_size);
else
ddr3_init_ecc(KS2_DDR3A_EMIF_CTRL_BASE,
gd->ram_size >> 30);
}
return 0;
}
struct image_header *spl_get_load_buffer(ssize_t offset, size_t size)
{
return (struct image_header *)(CONFIG_SYS_TEXT_BASE);
}
int board_init(void)
{
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
return 0;
}
#ifdef CONFIG_SPL_BUILD
void spl_board_init(void)
{
spl_init_keystone_plls();
preloader_console_init();
}
u32 spl_boot_device(void)
{
#if defined(CONFIG_SPL_SPI_LOAD)
return BOOT_DEVICE_SPI;
#else
puts("Unknown boot device\n");
hang();
#endif
}
#endif
#ifdef CONFIG_OF_BOARD_SETUP
int ft_board_setup(void *blob, struct bd_info *bd)
{
int lpae;
char *env;
char *endp;
int nbanks;
u64 size[2];
u64 start[2];
u32 ddr3a_size;
env = env_get("mem_lpae");
lpae = env && simple_strtol(env, NULL, 0);
ddr3a_size = 0;
if (lpae) {
ddr3a_size = ddr3_get_size();
if ((ddr3a_size != 8) && (ddr3a_size != 4))
ddr3a_size = 0;
}
nbanks = 1;
start[0] = bd->bi_dram[0].start;
size[0] = bd->bi_dram[0].size;
/* adjust memory start address for LPAE */
if (lpae) {
start[0] -= CONFIG_SYS_SDRAM_BASE;
start[0] += CONFIG_SYS_LPAE_SDRAM_BASE;
}
if ((size[0] == 0x80000000) && (ddr3a_size != 0)) {
size[1] = ((u64)ddr3a_size - 2) << 30;
start[1] = 0x880000000;
nbanks++;
}
/* reserve memory at start of bank */
env = env_get("mem_reserve_head");
if (env) {
start[0] += ustrtoul(env, &endp, 0);
size[0] -= ustrtoul(env, &endp, 0);
}
env = env_get("mem_reserve");
if (env)
size[0] -= ustrtoul(env, &endp, 0);
fdt_fixup_memory_banks(blob, start, size, nbanks);
return 0;
}
void ft_board_setup_ex(void *blob, struct bd_info *bd)
{
int lpae;
u64 size;
char *env;
u64 *reserve_start;
int unitrd_fixup = 0;
env = env_get("mem_lpae");
lpae = env && simple_strtol(env, NULL, 0);
env = env_get("uinitrd_fixup");
unitrd_fixup = env && simple_strtol(env, NULL, 0);
/* Fix up the initrd */
if (lpae && unitrd_fixup) {
int nodeoffset;
int err;
u64 *prop1, *prop2;
u64 initrd_start, initrd_end;
nodeoffset = fdt_path_offset(blob, "/chosen");
if (nodeoffset >= 0) {
prop1 = (u64 *)fdt_getprop(blob, nodeoffset,
"linux,initrd-start", NULL);
prop2 = (u64 *)fdt_getprop(blob, nodeoffset,
"linux,initrd-end", NULL);
if (prop1 && prop2) {
initrd_start = __be64_to_cpu(*prop1);
initrd_start -= CONFIG_SYS_SDRAM_BASE;
initrd_start += CONFIG_SYS_LPAE_SDRAM_BASE;
initrd_start = __cpu_to_be64(initrd_start);
initrd_end = __be64_to_cpu(*prop2);
initrd_end -= CONFIG_SYS_SDRAM_BASE;
initrd_end += CONFIG_SYS_LPAE_SDRAM_BASE;
initrd_end = __cpu_to_be64(initrd_end);
err = fdt_delprop(blob, nodeoffset,
"linux,initrd-start");
if (err < 0)
puts("error deleting initrd-start\n");
err = fdt_delprop(blob, nodeoffset,
"linux,initrd-end");
if (err < 0)
puts("error deleting initrd-end\n");
err = fdt_setprop(blob, nodeoffset,
"linux,initrd-start",
&initrd_start,
sizeof(initrd_start));
if (err < 0)
puts("error adding initrd-start\n");
err = fdt_setprop(blob, nodeoffset,
"linux,initrd-end",
&initrd_end,
sizeof(initrd_end));
if (err < 0)
puts("error adding linux,initrd-end\n");
}
}
}
if (lpae) {
/*
* the initrd and other reserved memory areas are
* embedded in in the DTB itslef. fix up these addresses
* to 36 bit format
*/
reserve_start = (u64 *)((char *)blob +
fdt_off_mem_rsvmap(blob));
while (1) {
*reserve_start = __cpu_to_be64(*reserve_start);
size = __cpu_to_be64(*(reserve_start + 1));
if (size) {
*reserve_start -= CONFIG_SYS_SDRAM_BASE;
*reserve_start +=
CONFIG_SYS_LPAE_SDRAM_BASE;
*reserve_start =
__cpu_to_be64(*reserve_start);
} else {
break;
}
reserve_start += 2;
}
}
ddr3_check_ecc_int(KS2_DDR3A_EMIF_CTRL_BASE);
}
#endif /* CONFIG_OF_BOARD_SETUP */
#if defined(CONFIG_DTB_RESELECT)
int __weak embedded_dtb_select(void)
{
return 0;
}
#endif
|
