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
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
|
/*
* Copyright (C) 2006 Freescale Semiconductor, Inc.
* Dave Liu <daveliu@freescale.com>
*
* Copyright (C) 2007 Logic Product Development, Inc.
* Peter Barada <peterb@logicpd.com>
*
* Copyright (C) 2007 MontaVista Software, Inc.
* Anton Vorontsov <avorontsov@ru.mvista.com>
*
* (C) Copyright 2008
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
* 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 <ioports.h>
#include <mpc83xx.h>
#include <i2c.h>
#include <miiphy.h>
#include <asm/io.h>
#include <asm/mmu.h>
#include <asm/processor.h>
#include <pci.h>
#include <libfdt.h>
#include "../common/common.h"
extern void disable_addr_trans (void);
extern void enable_addr_trans (void);
const qe_iop_conf_t qe_iop_conf_tab[] = {
/* port pin dir open_drain assign */
/* MDIO */
{0, 1, 3, 0, 2}, /* MDIO */
{0, 2, 1, 0, 1}, /* MDC */
/* UCC4 - UEC */
{1, 14, 1, 0, 1}, /* TxD0 */
{1, 15, 1, 0, 1}, /* TxD1 */
{1, 20, 2, 0, 1}, /* RxD0 */
{1, 21, 2, 0, 1}, /* RxD1 */
{1, 18, 1, 0, 1}, /* TX_EN */
{1, 26, 2, 0, 1}, /* RX_DV */
{1, 27, 2, 0, 1}, /* RX_ER */
{1, 24, 2, 0, 1}, /* COL */
{1, 25, 2, 0, 1}, /* CRS */
{2, 15, 2, 0, 1}, /* TX_CLK - CLK16 */
{2, 16, 2, 0, 1}, /* RX_CLK - CLK17 */
/* DUART - UART2 */
{5, 0, 1, 0, 2}, /* UART2_SOUT */
{5, 2, 1, 0, 1}, /* UART2_RTS */
{5, 3, 2, 0, 2}, /* UART2_SIN */
{5, 1, 2, 0, 3}, /* UART2_CTS */
/* END of table */
{0, 0, 0, 0, QE_IOP_TAB_END},
};
static int board_init_i2c_busses (void)
{
I2C_MUX_DEVICE *dev = NULL;
uchar *buf;
/* Set up the Bus for the DTTs */
buf = (unsigned char *) getenv ("dtt_bus");
if (buf != NULL)
dev = i2c_mux_ident_muxstring (buf);
if (dev == NULL) {
printf ("Error couldn't add Bus for DTT\n");
printf ("please setup dtt_bus to where your\n");
printf ("DTT is found.\n");
}
return 0;
}
int board_early_init_r (void)
{
unsigned short svid;
/*
* Because of errata in the UCCs, we have to write to the reserved
* registers to slow the clocks down.
*/
svid = SVR_REV(mfspr (SVR));
switch (svid) {
case 0x0020:
setbits_be32((void *)(CONFIG_SYS_IMMR + 0x14a8), 0x0c003000);
break;
case 0x0021:
clrsetbits_be32((void *)(CONFIG_SYS_IMMR + 0x14ac),
0x00000050, 0x000000a0);
break;
}
/* enable the PHY on the PIGGY */
setbits (8, (void *)(CONFIG_SYS_PIGGY_BASE + 0x10003), 0x01);
return 0;
}
int misc_init_r (void)
{
/* add board specific i2c busses */
board_init_i2c_busses ();
return 0;
}
int fixed_sdram(void)
{
volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
u32 msize = 0;
u32 ddr_size;
u32 ddr_size_log2;
im->sysconf.ddrlaw[0].ar = LAWAR_EN | 0x1e;
im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS;
im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CNTL;
udelay (200);
im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
msize = CONFIG_SYS_DDR_SIZE << 20;
disable_addr_trans ();
msize = get_ram_size (CONFIG_SYS_DDR_BASE, msize);
enable_addr_trans ();
msize /= (1024 * 1024);
if (CONFIG_SYS_DDR_SIZE != msize) {
for (ddr_size = msize << 20, ddr_size_log2 = 0;
(ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++)
if (ddr_size & 1)
return -1;
im->sysconf.ddrlaw[0].ar =
LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
im->ddr.csbnds[0].csbnds = (((msize / 16) - 1) & 0xff);
}
return msize;
}
phys_size_t initdram (int board_type)
{
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
extern void ddr_enable_ecc (unsigned int dram_size);
#endif
volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
u32 msize = 0;
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
return -1;
/* DDR SDRAM - Main SODIMM */
im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR;
msize = fixed_sdram ();
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
/*
* Initialize DDR ECC byte
*/
ddr_enable_ecc (msize * 1024 * 1024);
#endif
/* return total bus SDRAM size(bytes) -- DDR */
return (msize * 1024 * 1024);
}
int checkboard (void)
{
puts ("Board: Keymile kmeter1");
if (ethernet_present ())
puts (" with PIGGY.");
puts ("\n");
return 0;
}
#if defined(CONFIG_OF_BOARD_SETUP)
/*
* update "/localbus/ranges" property in the blob
*/
void ft_blob_update (void *blob, bd_t *bd)
{
ulong *flash_data = NULL;
flash_info_t *info;
ulong flash_reg[6] = {0};
int len;
int size = 0;
int i = 0;
len = fdt_get_node_and_value (blob, "/localbus", "ranges",
(void *)&flash_data);
if (flash_data == NULL) {
printf ("%s: error /localbus/ranges entry\n", __FUNCTION__);
return;
}
/* update Flash addr, size */
while ( i < (len / 4)) {
switch (flash_data[i]) {
case 0:
info = flash_get_info(CONFIG_SYS_FLASH_BASE);
size = info->size;
info = flash_get_info(CONFIG_SYS_FLASH_BASE_1);
size += info->size;
flash_data[i + 1] = 0;
flash_data[i + 2] = cpu_to_be32 (CONFIG_SYS_FLASH_BASE);
flash_data[i + 3] = cpu_to_be32 (size);
break;
default:
break;
}
i += 4;
}
fdt_set_node_and_value (blob, "/localbus", "ranges", flash_data,
len);
info = flash_get_info(CONFIG_SYS_FLASH_BASE);
flash_reg[2] = cpu_to_be32 (size);
flash_reg[4] = flash_reg[2];
info = flash_get_info(CONFIG_SYS_FLASH_BASE_1);
flash_reg[5] = cpu_to_be32 (info->size);
fdt_set_node_and_value (blob, "/localbus/flash@f0000000,0", "reg", flash_reg,
sizeof (flash_reg));
}
void ft_board_setup (void *blob, bd_t *bd)
{
ft_cpu_setup (blob, bd);
ft_blob_update (blob, bd);
}
#endif
#if defined(CONFIG_HUSH_INIT_VAR)
extern int ivm_read_eeprom (void);
int hush_init_var (void)
{
ivm_read_eeprom ();
return 0;
}
#endif
|
