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
|
/*
* Copyright (C) Freescale Semiconductor, Inc. 2006-2007
*
* Author: Scott Wood <scottwood@freescale.com>
*
* (C) Copyright 2010
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <libfdt.h>
#include <pci.h>
#include <mpc83xx.h>
#include <ns16550.h>
#include <nand.h>
#include <asm/bitops.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
extern void disable_addr_trans (void);
extern void enable_addr_trans (void);
int checkboard(void)
{
puts("Board: ve8313\n");
return 0;
}
static long fixed_sdram(void)
{
u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
#ifndef CONFIG_SYS_RAMBOOT
volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
u32 msize_log2 = __ilog2(msize);
out_be32(&im->sysconf.ddrlaw[0].bar,
(CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000));
out_be32(&im->sysconf.ddrlaw[0].ar, (LBLAWAR_EN | (msize_log2 - 1)));
out_be32(&im->sysconf.ddrcdr, CONFIG_SYS_DDRCDR_VALUE);
/*
* Erratum DDR3 requires a 50ms delay after clearing DDRCDR[DDR_cfg],
* or the DDR2 controller may fail to initialize correctly.
*/
__udelay(50000);
#if ((CONFIG_SYS_DDR_SDRAM_BASE & 0x00FFFFFF) != 0)
#warning Chip select bounds is only configurable in 16MB increments
#endif
out_be32(&im->ddr.csbnds[0].csbnds,
((CONFIG_SYS_DDR_SDRAM_BASE >> CSBNDS_SA_SHIFT) & CSBNDS_SA) |
(((CONFIG_SYS_DDR_SDRAM_BASE + msize - 1) >> CSBNDS_EA_SHIFT) &
CSBNDS_EA));
out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG);
/* Currently we use only one CS, so disable the other bank. */
out_be32(&im->ddr.cs_config[1], 0);
out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CNTL);
out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_SDRAM_CFG);
out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_SDRAM_CFG2);
out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE);
out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE_2);
out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL);
sync();
/* enable DDR controller */
setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN);
/* now check the real size */
disable_addr_trans ();
msize = get_ram_size (CONFIG_SYS_DDR_BASE, msize);
enable_addr_trans ();
#endif
return msize;
}
phys_size_t initdram(int board_type)
{
volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
volatile fsl_lbc_t *lbc = &im->im_lbc;
u32 msize;
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
return -1;
/* DDR SDRAM - Main SODIMM */
msize = fixed_sdram();
/* Local Bus setup lbcr and mrtpr */
out_be32(&lbc->lbcr, CONFIG_SYS_LBC_LBCR);
out_be32(&lbc->mrtpr, CONFIG_SYS_LBC_MRTPR);
sync();
/* return total bus SDRAM size(bytes) -- DDR */
return msize;
}
#define VE8313_WDT_EN 0x00020000
#define VE8313_WDT_TRIG 0x00040000
int board_early_init_f (void)
{
volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
volatile gpio83xx_t *gpio = (volatile gpio83xx_t *)im->gpio;
#if defined(CONFIG_HW_WATCHDOG)
/* enable WDT */
clrbits_be32(&gpio->dat, VE8313_WDT_EN | VE8313_WDT_TRIG);
#else
/* disable WDT */
setbits_be32(&gpio->dat, VE8313_WDT_EN | VE8313_WDT_TRIG);
#endif
/* set WDT pins as output */
setbits_be32(&gpio->dir, VE8313_WDT_EN | VE8313_WDT_TRIG);
return 0;
}
#if defined(CONFIG_HW_WATCHDOG)
void hw_watchdog_reset(void)
{
volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
volatile gpio83xx_t *gpio = (volatile gpio83xx_t *)im->gpio;
unsigned long reg;
reg = in_be32(&gpio->dat);
if (reg & VE8313_WDT_TRIG)
clrbits_be32(&gpio->dat, VE8313_WDT_TRIG);
else
setbits_be32(&gpio->dat, VE8313_WDT_TRIG);
}
#endif
#if defined(CONFIG_PCI)
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. */
setbits_be32(&clk->occr, 0xe0000000);
/*
* Configure PCI Local Access Windows
*/
out_be32(&pci_law[0].bar, CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR);
out_be32(&pci_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
out_be32(&pci_law[1].bar, CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR);
out_be32(&pci_law[1].ar, LBLAWAR_EN | LBLAWAR_1MB);
mpc83xx_pci_init(1, reg);
}
#endif
#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
|
