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
|
/*
* Copyright (C) 2007 Freescale Semiconductor, Inc.
* Dave Liu <daveliu@freescale.com>
*
* CREDITS: Kim Phillips contribute to LIBFDT code
*
* 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.
*/
#include <common.h>
#include <i2c.h>
#include <asm/io.h>
#include <asm/fsl_serdes.h>
#include <spd_sdram.h>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#endif
#if defined(CONFIG_PQ_MDS_PIB)
#include "../common/pq-mds-pib.h"
#endif
int board_early_init_f(void)
{
u8 *bcsr = (u8 *)CFG_BCSR;
/* Enable flash write */
bcsr[0x9] &= ~0x04;
/* Clear all of the interrupt of BCSR */
bcsr[0xe] = 0xff;
#ifdef CONFIG_FSL_SERDES
immap_t *immr = (immap_t *)CFG_IMMR;
u32 spridr = in_be32(&immr->sysconf.spridr);
/* we check only part num, and don't look for CPU revisions */
switch (PARTID_NO_E(spridr)) {
case SPR_8377:
fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX,
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
break;
case SPR_8378:
fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
break;
case SPR_8379:
fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_SATA,
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
break;
default:
printf("serdes not configured: unknown CPU part number: "
"%04x\n", spridr >> 16);
break;
}
#endif /* CONFIG_FSL_SERDES */
return 0;
}
int board_early_init_r(void)
{
#ifdef CONFIG_PQ_MDS_PIB
pib_init();
#endif
return 0;
}
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif
int fixed_sdram(void);
long int initdram(int board_type)
{
volatile immap_t *im = (immap_t *) CFG_IMMR;
u32 msize = 0;
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
return -1;
#if defined(CONFIG_SPD_EEPROM)
msize = spd_sdram();
#else
msize = fixed_sdram();
#endif
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
/* Initialize DDR ECC byte */
ddr_enable_ecc(msize * 1024 * 1024);
#endif
/* return total bus DDR size(bytes) */
return (msize * 1024 * 1024);
}
#if !defined(CONFIG_SPD_EEPROM)
/*************************************************************************
* fixed sdram init -- doesn't use serial presence detect.
************************************************************************/
int fixed_sdram(void)
{
volatile immap_t *im = (immap_t *) CFG_IMMR;
u32 msize = CFG_DDR_SIZE * 1024 * 1024;
u32 msize_log2 = __ilog2(msize);
im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE >> 12;
im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
#if (CFG_DDR_SIZE != 512)
#warning Currenly any ddr size other than 512 is not supported
#endif
im->sysconf.ddrcdr = CFG_DDRCDR_VALUE;
udelay(50000);
im->ddr.sdram_clk_cntl = CFG_DDR_SDRAM_CLK_CNTL;
udelay(1000);
im->ddr.csbnds[0].csbnds = CFG_DDR_CS0_BNDS;
im->ddr.cs_config[0] = CFG_DDR_CS0_CONFIG;
udelay(1000);
im->ddr.timing_cfg_0 = CFG_DDR_TIMING_0;
im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
im->ddr.timing_cfg_3 = CFG_DDR_TIMING_3;
im->ddr.sdram_cfg = CFG_DDR_SDRAM_CFG;
im->ddr.sdram_cfg2 = CFG_DDR_SDRAM_CFG2;
im->ddr.sdram_mode = CFG_DDR_MODE;
im->ddr.sdram_mode2 = CFG_DDR_MODE2;
im->ddr.sdram_interval = CFG_DDR_INTERVAL;
__asm__ __volatile__("sync");
udelay(1000);
im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
udelay(2000);
return CFG_DDR_SIZE;
}
#endif /*!CFG_SPD_EEPROM */
int checkboard(void)
{
puts("Board: Freescale MPC837xEMDS\n");
return 0;
}
#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 /* CONFIG_OF_BOARD_SETUP */
|
