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
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2013 Freescale Semiconductor, Inc.
*/
#include <common.h>
#include <clock_legacy.h>
#include <console.h>
#include <env.h>
#include <env_internal.h>
#include <init.h>
#include <ns16550.h>
#include <malloc.h>
#include <mmc.h>
#include <nand.h>
#include <i2c.h>
#include <fsl_esdhc.h>
#include <spi_flash.h>
#include <asm/global_data.h>
#include "../common/spl.h"
DECLARE_GLOBAL_DATA_PTR;
phys_size_t get_effective_memsize(void)
{
return CONFIG_SYS_L2_SIZE;
}
void board_init_f(ulong bootflag)
{
u32 plat_ratio, bus_clk;
ccsr_gur_t *gur = (void *)CFG_SYS_MPC85xx_GUTS_ADDR;
/*
* Call board_early_init_f() as early as possible as it workarounds
* reboot loop due to broken CPLD state machine for reset line.
*/
board_early_init_f();
console_init_f();
/* Set pmuxcr to allow both i2c1 and i2c2 */
setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000);
setbits_be32(&gur->pmuxcr,
in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA);
/* Read back the register to synchronize the write. */
in_be32(&gur->pmuxcr);
#ifdef CONFIG_SPL_SPI_BOOT
clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
#endif
/* initialize selected port with appropriate baud rate */
plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
plat_ratio >>= 1;
bus_clk = get_board_sys_clk() * plat_ratio;
gd->bus_clk = bus_clk;
ns16550_init((struct ns16550 *)CFG_SYS_NS16550_COM1,
bus_clk / 16 / CONFIG_BAUDRATE);
#ifdef CONFIG_SPL_MMC_BOOT
puts("\nSD boot...\n");
#elif defined(CONFIG_SPL_SPI_BOOT)
puts("\nSPI Flash boot...\n");
#endif
/* copy code to RAM and jump to it - this should not return */
/* NOTE - code has to be copied out of NAND buffer before
* other blocks can be read.
*/
relocate_code(CONFIG_VAL(RELOC_STACK), 0, CONFIG_SPL_RELOC_TEXT_BASE);
}
void board_init_r(gd_t *gd, ulong dest_addr)
{
/* Pointer is writable since we allocated a register for it */
gd = (gd_t *)CONFIG_VAL(GD_ADDR);
struct bd_info *bd;
memset(gd, 0, sizeof(gd_t));
bd = (struct bd_info *)(CONFIG_VAL(GD_ADDR) + sizeof(gd_t));
memset(bd, 0, sizeof(struct bd_info));
gd->bd = bd;
arch_cpu_init();
get_clocks();
mem_malloc_init(CONFIG_VAL(RELOC_MALLOC_ADDR),
CONFIG_VAL(RELOC_MALLOC_SIZE));
gd->flags |= GD_FLG_FULL_MALLOC_INIT;
#ifdef CONFIG_SPL_ENV_SUPPORT
#ifndef CONFIG_SPL_NAND_BOOT
env_init();
#endif
#endif
#ifdef CONFIG_SPL_MMC_BOOT
mmc_initialize(bd);
#endif
#ifdef CONFIG_SPL_ENV_SUPPORT
/* relocate environment function pointers etc. */
#ifdef CONFIG_SPL_NAND_BOOT
nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
(uchar *)SPL_ENV_ADDR);
gd->env_addr = (ulong)(SPL_ENV_ADDR);
gd->env_valid = ENV_VALID;
#else
env_relocate();
#endif
#endif
#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY)
i2c_init_all();
#else
i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
#endif
dram_init();
#ifdef CONFIG_SPL_NAND_BOOT
puts("Tertiary program loader running in sram...");
#else
puts("Second program loader running in sram...\n");
#endif
#ifdef CONFIG_SPL_MMC_BOOT
mmc_boot();
#elif defined(CONFIG_SPL_SPI_BOOT)
fsl_spi_boot();
#elif defined(CONFIG_SPL_NAND_BOOT)
nand_boot();
#endif
}
|