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
|
/* Copyright 2013 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <console.h>
#include <asm/spl.h>
#include <malloc.h>
#include <ns16550.h>
#include <nand.h>
#include <i2c.h>
#include "../common/qixis.h"
#include "b4860qds_qixis.h"
DECLARE_GLOBAL_DATA_PTR;
phys_size_t get_effective_memsize(void)
{
return CONFIG_SYS_L3_SIZE;
}
unsigned long get_board_sys_clk(void)
{
u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
switch ((sysclk_conf & 0x0C) >> 2) {
case QIXIS_CLK_100:
return 100000000;
case QIXIS_CLK_125:
return 125000000;
case QIXIS_CLK_133:
return 133333333;
}
return 66666666;
}
unsigned long get_board_ddr_clk(void)
{
u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
switch (ddrclk_conf & 0x03) {
case QIXIS_CLK_100:
return 100000000;
case QIXIS_CLK_125:
return 125000000;
case QIXIS_CLK_133:
return 133333333;
}
return 66666666;
}
void board_init_f(ulong bootflag)
{
u32 plat_ratio, sys_clk, uart_clk;
ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
/* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
/* Update GD pointer */
gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
/* compiler optimization barrier needed for GCC >= 3.4 */
__asm__ __volatile__("" : : : "memory");
console_init_f();
/* initialize selected port with appropriate baud rate */
sys_clk = get_board_sys_clk();
plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
uart_clk = sys_clk * plat_ratio / 2;
NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
uart_clk / 16 / CONFIG_BAUDRATE);
relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
}
void board_init_r(gd_t *gd, ulong dest_addr)
{
bd_t *bd;
bd = (bd_t *)(gd + sizeof(gd_t));
memset(bd, 0, sizeof(bd_t));
gd->bd = bd;
bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
bd->bi_memsize = CONFIG_SYS_L3_SIZE;
probecpu();
get_clocks();
mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
CONFIG_SPL_RELOC_MALLOC_SIZE);
#ifndef CONFIG_SPL_NAND_BOOT
env_init();
env_relocate();
#else
/* relocate environment function pointers etc. */
nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
(uchar *)CONFIG_ENV_ADDR);
gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
gd->env_valid = 1;
#endif
i2c_init_all();
puts("\n\n");
gd->ram_size = initdram(0);
#ifdef CONFIG_SPL_NAND_BOOT
nand_boot();
#endif
}
|
