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
255
256
257
258
259
|
// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2010
* ISEE 2007 SL, <www.iseebcn.com>
*/
#include <common.h>
#include <env.h>
#include <status_led.h>
#include <dm.h>
#include <ns16550.h>
#include <twl4030.h>
#include <netdev.h>
#include <spl.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/mem.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/onenand.h>
#include <jffs2/load_kernel.h>
#include <mtd_node.h>
#include <fdt_support.h>
#include "igep00x0.h"
static const struct ns16550_platdata igep_serial = {
.base = OMAP34XX_UART3,
.reg_shift = 2,
.clock = V_NS16550_CLK,
.fcr = UART_FCR_DEFVAL,
};
U_BOOT_DEVICE(igep_uart) = {
"ns16550_serial",
&igep_serial
};
/*
* Routine: get_board_revision
* Description: GPIO_28 and GPIO_129 are used to read board and revision from
* IGEP00x0 boards. First of all, it is necessary to reset USB transceiver from
* IGEP0030 in order to read GPIO_IGEP00X0_BOARD_DETECTION correctly, because
* this functionality is shared by USB HOST.
* Once USB reset is applied, U-boot configures these pins as input pullup to
* detect board and revision:
* IGEP0020-RF = 0b00
* IGEP0020-RC = 0b01
* IGEP0030-RG = 0b10
* IGEP0030-RE = 0b11
*/
static int get_board_revision(void)
{
int revision;
gpio_request(IGEP0030_USB_TRANSCEIVER_RESET,
"igep0030_usb_transceiver_reset");
gpio_direction_output(IGEP0030_USB_TRANSCEIVER_RESET, 0);
gpio_request(GPIO_IGEP00X0_BOARD_DETECTION, "igep00x0_board_detection");
gpio_direction_input(GPIO_IGEP00X0_BOARD_DETECTION);
revision = 2 * gpio_get_value(GPIO_IGEP00X0_BOARD_DETECTION);
gpio_free(GPIO_IGEP00X0_BOARD_DETECTION);
gpio_request(GPIO_IGEP00X0_REVISION_DETECTION,
"igep00x0_revision_detection");
gpio_direction_input(GPIO_IGEP00X0_REVISION_DETECTION);
revision = revision + gpio_get_value(GPIO_IGEP00X0_REVISION_DETECTION);
gpio_free(GPIO_IGEP00X0_REVISION_DETECTION);
gpio_free(IGEP0030_USB_TRANSCEIVER_RESET);
return revision;
}
int onenand_board_init(struct mtd_info *mtd)
{
if (gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND) {
struct onenand_chip *this = mtd->priv;
this->base = (void *)CONFIG_SYS_ONENAND_BASE;
return 0;
}
return 1;
}
#if defined(CONFIG_CMD_NET)
static void reset_net_chip(int gpio)
{
if (!gpio_request(gpio, "eth nrst")) {
gpio_direction_output(gpio, 1);
udelay(1);
gpio_set_value(gpio, 0);
udelay(40);
gpio_set_value(gpio, 1);
mdelay(10);
}
}
/*
* Routine: setup_net_chip
* Description: Setting up the configuration GPMC registers specific to the
* Ethernet hardware.
*/
static void setup_net_chip(void)
{
struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
static const u32 gpmc_lan_config[] = {
NET_LAN9221_GPMC_CONFIG1,
NET_LAN9221_GPMC_CONFIG2,
NET_LAN9221_GPMC_CONFIG3,
NET_LAN9221_GPMC_CONFIG4,
NET_LAN9221_GPMC_CONFIG5,
NET_LAN9221_GPMC_CONFIG6,
};
enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
/* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
/* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
&ctrl_base->gpmc_nadv_ale);
reset_net_chip(64);
}
int board_eth_init(bd_t *bis)
{
#ifdef CONFIG_SMC911X
return smc911x_initialize(0, CONFIG_SMC911X_BASE);
#else
return 0;
#endif
}
#else
static inline void setup_net_chip(void) {}
#endif
#ifdef CONFIG_OF_BOARD_SETUP
static int ft_enable_by_compatible(void *blob, char *compat, int enable)
{
int off = fdt_node_offset_by_compatible(blob, -1, compat);
if (off < 0)
return off;
if (enable)
fdt_status_okay(blob, off);
else
fdt_status_disabled(blob, off);
return 0;
}
int ft_board_setup(void *blob, bd_t *bd)
{
#ifdef CONFIG_FDT_FIXUP_PARTITIONS
static const struct node_info nodes[] = {
{ "ti,omap2-nand", MTD_DEV_TYPE_NAND, },
{ "ti,omap2-onenand", MTD_DEV_TYPE_ONENAND, },
};
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
#endif
ft_enable_by_compatible(blob, "ti,omap2-nand",
gpmc_cs0_flash == MTD_DEV_TYPE_NAND);
ft_enable_by_compatible(blob, "ti,omap2-onenand",
gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND);
return 0;
}
#endif
void set_led(void)
{
switch (get_board_revision()) {
case 0:
case 1:
gpio_request(IGEP0020_GPIO_LED, "igep0020_gpio_led");
gpio_direction_output(IGEP0020_GPIO_LED, 1);
break;
case 2:
case 3:
gpio_request(IGEP0030_GPIO_LED, "igep0030_gpio_led");
gpio_direction_output(IGEP0030_GPIO_LED, 0);
break;
default:
/* Should not happen... */
break;
}
}
void set_boardname(void)
{
char rev[5] = { 'F','C','G','E', };
int i = get_board_revision();
rev[i+1] = 0;
env_set("board_rev", rev + i);
env_set("board_name", i < 2 ? "igep0020" : "igep0030");
}
/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
int misc_init_r(void)
{
t2_t *t2_base = (t2_t *)T2_BASE;
u32 pbias_lite;
twl4030_power_init();
/* set VSIM to 1.8V */
twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VSIM_DEDICATED,
TWL4030_PM_RECEIVER_VSIM_VSEL_18,
TWL4030_PM_RECEIVER_VSIM_DEV_GRP,
TWL4030_PM_RECEIVER_DEV_GRP_P1);
/* set up dual-voltage GPIOs to 1.8V */
pbias_lite = readl(&t2_base->pbias_lite);
pbias_lite &= ~PBIASLITEVMODE1;
pbias_lite |= PBIASLITEPWRDNZ1;
writel(pbias_lite, &t2_base->pbias_lite);
if (get_cpu_family() == CPU_OMAP36XX)
writel(readl(OMAP34XX_CTRL_WKUP_CTRL) |
OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ,
OMAP34XX_CTRL_WKUP_CTRL);
setup_net_chip();
omap_die_id_display();
set_led();
set_boardname();
return 0;
}
void board_mtdparts_default(const char **mtdids, const char **mtdparts)
{
struct mtd_info *mtd = get_mtd_device(NULL, 0);
if (mtd) {
static char ids[24];
static char parts[48];
const char *linux_name = "omap2-nand";
if (strncmp(mtd->name, "onenand0", 8) == 0)
linux_name = "omap2-onenand";
snprintf(ids, sizeof(ids), "%s=%s", mtd->name, linux_name);
snprintf(parts, sizeof(parts), "mtdparts=%s:%dk(SPL),-(UBI)",
linux_name, 4 * mtd->erasesize >> 10);
*mtdids = ids;
*mtdparts = parts;
}
}
|
