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
|
/*
* Copyright (C) Freescale Semiconductor, Inc. 2006-2007
* Copyright (C) Sheldon Instruments, Inc. 2008
*
* Author: Ron Madrid <info@sheldoninst.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <libfdt.h>
#include <pci.h>
#include <mpc83xx.h>
#include <ns16550.h>
#include <nand.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
#ifndef CONFIG_NAND_SPL
int checkboard(void)
{
puts("Board: Sheldon Instruments SIMPC8313\n");
return 0;
}
static struct pci_region pci_regions[] = {
{
bus_start: CONFIG_SYS_PCI1_MEM_BASE,
phys_start: CONFIG_SYS_PCI1_MEM_PHYS,
size: CONFIG_SYS_PCI1_MEM_SIZE,
flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
},
{
bus_start: CONFIG_SYS_PCI1_MMIO_BASE,
phys_start: CONFIG_SYS_PCI1_MMIO_PHYS,
size: CONFIG_SYS_PCI1_MMIO_SIZE,
flags: PCI_REGION_MEM
},
{
bus_start: CONFIG_SYS_PCI1_IO_BASE,
phys_start: CONFIG_SYS_PCI1_IO_PHYS,
size: CONFIG_SYS_PCI1_IO_SIZE,
flags: PCI_REGION_IO
}
};
void pci_init_board(void)
{
volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
struct pci_region *reg[] = { pci_regions };
/* Enable all 3 PCI_CLK_OUTPUTs. */
clk->occr |= 0xe0000000;
/*
* Configure PCI Local Access Windows
*/
pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
mpc83xx_pci_init(1, reg);
}
/*
* Miscellaneous late-boot configurations
*/
int misc_init_r(void)
{
int rc = 0;
immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
fsl_lbc_t *lbus = &immap->im_lbc;
u32 *mxmr = &lbus->mamr; /* Pointer to mamr */
/* UPM Table Configuration Code */
static uint UPMATable[] = {
/* Read Single-Beat (RSS) */
0x0fff0c00, 0x0fffdc00, 0x0fff0c05, 0xfffffc00,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
/* Read Burst (RBS) */
0x0fff0c00, 0x0ffcdc00, 0x0ffc0c00, 0x0ffc0f0c,
0x0ffccf0c, 0x0ffc0f0c, 0x0ffcce0c, 0x3ffc0c05,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
/* Write Single-Beat (WSS) */
0x0ffc0c00, 0x0ffcdc00, 0x0ffc0c05, 0xfffffc00,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
/* Write Burst (WBS) */
0x0ffc0c00, 0x0fffcc0c, 0x0fff0c00, 0x0fffcc00,
0x0fff1c00, 0x0fffcf0c, 0x0fff0f0c, 0x0fffcf0c,
0x0fff0c0c, 0x0fffcc0c, 0x0fff0c05, 0xfffffc00,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
/* Refresh Timer (RTS) */
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
/* Exception Condition (EXS) */
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01
};
upmconfig(UPMA, UPMATable, sizeof(UPMATable) / sizeof(UPMATable[0]));
/* Set LUPWAIT to be active low and enabled */
out_be32(mxmr, MxMR_UWPL | MxMR_GPL_x4DIS);
return rc;
}
#if defined(CONFIG_OF_BOARD_SETUP)
void ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup(blob, bd);
#ifdef CONFIG_PCI
ft_pci_setup(blob, bd);
#endif
}
#endif
#else /* CONFIG_NAND_SPL */
void board_init_f(ulong bootflag)
{
NS16550_init((NS16550_t)(CONFIG_SYS_IMMR + 0x4500),
CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
puts("NAND boot... ");
init_timebase();
initdram(0);
relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC_SP, (gd_t *)gd,
CONFIG_SYS_NAND_U_BOOT_RELOC);
}
void board_init_r(gd_t *gd, ulong dest_addr)
{
nand_boot();
}
void putc(char c)
{
if (gd->flags & GD_FLG_SILENT)
return;
if (c == '\n')
NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), '\r');
NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), c);
}
#endif
|
