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
|
/* Copyright 2014 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <console.h>
#include <malloc.h>
#include <ns16550.h>
#include <nand.h>
#include <i2c.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <spi_flash.h>
#include "../common/sleep.h"
DECLARE_GLOBAL_DATA_PTR;
phys_size_t get_effective_memsize(void)
{
return CONFIG_SYS_L3_SIZE;
}
unsigned long get_board_sys_clk(void)
{
return CONFIG_SYS_CLK_FREQ;
}
unsigned long get_board_ddr_clk(void)
{
return CONFIG_DDR_CLK_FREQ;
}
#if defined(CONFIG_SPL_MMC_BOOT)
#define GPIO1_SD_SEL 0x00020000
int board_mmc_getcd(struct mmc *mmc)
{
ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
u32 val = in_be32(&pgpio->gpdat);
/* GPIO1_14, 0: eMMC, 1: SD */
val &= GPIO1_SD_SEL;
return val ? -1 : 1;
}
int board_mmc_getwp(struct mmc *mmc)
{
ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
u32 val = in_be32(&pgpio->gpdat);
val &= GPIO1_SD_SEL;
return val ? -1 : 0;
}
#endif
void board_init_f(ulong bootflag)
{
u32 plat_ratio, sys_clk, ccb_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);
console_init_f();
#ifdef CONFIG_DEEP_SLEEP
/* disable the console if boot from deep sleep */
if (is_warm_boot())
fsl_dp_disable_console();
#endif
/* initialize selected port with appropriate baud rate */
sys_clk = get_board_sys_clk();
plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
ccb_clk = sys_clk * plat_ratio / 2;
NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
ccb_clk / 16 / CONFIG_BAUDRATE);
#if defined(CONFIG_SPL_MMC_BOOT)
puts("\nSD boot...\n");
#elif defined(CONFIG_SPL_SPI_BOOT)
puts("\nSPI boot...\n");
#elif defined(CONFIG_SPL_NAND_BOOT)
puts("\nNAND boot...\n");
#endif
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);
#ifdef CONFIG_SPL_NAND_BOOT
nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
(uchar *)CONFIG_ENV_ADDR);
#endif
#ifdef CONFIG_SPL_MMC_BOOT
mmc_initialize(bd);
mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
(uchar *)CONFIG_ENV_ADDR);
#endif
#ifdef CONFIG_SPL_SPI_BOOT
spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
(uchar *)CONFIG_ENV_ADDR);
#endif
gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
gd->env_valid = 1;
i2c_init_all();
gd->ram_size = initdram(0);
#ifdef CONFIG_SPL_MMC_BOOT
mmc_boot();
#elif defined(CONFIG_SPL_SPI_BOOT)
spi_boot();
#elif defined(CONFIG_SPL_NAND_BOOT)
nand_boot();
#endif
}
|