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
|
/*
* Maintainer :
* Tapani Utriainen <linuxfae@technexion.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <netdev.h>
#include <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mem.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/gpio.h>
#include <asm/gpio.h>
#include <asm/mach-types.h>
#include <usb.h>
#include <asm/ehci-omap.h>
#include "tao3530.h"
DECLARE_GLOBAL_DATA_PTR;
int tao3530_revision(void)
{
int ret = 0;
/* char *label argument is unused in gpio_request() */
ret = gpio_request(65, "");
if (ret) {
puts("Error: GPIO 65 not available\n");
goto out;
}
MUX_VAL(CP(GPMC_WAIT3), (IEN | PTU | EN | M4));
ret = gpio_request(1, "");
if (ret) {
puts("Error: GPIO 1 not available\n");
goto out2;
}
MUX_VAL(CP(SYS_CLKREQ), (IEN | PTU | EN | M4));
ret = gpio_direction_input(65);
if (ret) {
puts("Error: GPIO 65 not available for input\n");
goto out3;
}
ret = gpio_direction_input(1);
if (ret) {
puts("Error: GPIO 1 not available for input\n");
goto out3;
}
ret = gpio_get_value(65) << 1 | gpio_get_value(1);
out3:
MUX_VAL(CP(SYS_CLKREQ), (IEN | PTU | EN | M0));
gpio_free(1);
out2:
MUX_VAL(CP(GPMC_WAIT3), (IEN | PTU | EN | M0));
gpio_free(65);
out:
return ret;
}
#ifdef CONFIG_SPL_BUILD
/*
* Routine: get_board_mem_timings
* Description: If we use SPL then there is no x-loader nor config header
* so we have to setup the DDR timings ourself on both banks.
*/
void get_board_mem_timings(struct board_sdrc_timings *timings)
{
#if defined(CONFIG_SYS_BOARD_OMAP3_HA)
/*
* Switch baseboard LED to red upon power-on
*/
MUX_OMAP3_HA();
/* Request a gpio before using it */
gpio_request(111, "");
/* Sets the gpio as output and its value to 1, switch LED to red */
gpio_direction_output(111, 1);
#endif
if (tao3530_revision() < 3) {
/* 256MB / Bank */
timings->mcfg = MCFG(256 << 20, 14); /* RAS-width 14 */
timings->ctrla = HYNIX_V_ACTIMA_165;
timings->ctrlb = HYNIX_V_ACTIMB_165;
} else {
/* 128MB / Bank */
timings->mcfg = MCFG(128 << 20, 13); /* RAS-width 13 */
timings->ctrla = MICRON_V_ACTIMA_165;
timings->ctrlb = MICRON_V_ACTIMB_165;
}
timings->mr = MICRON_V_MR_165;
timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
}
#endif
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* board id for Linux */
gd->bd->bi_arch_number = MACH_TYPE_OMAP3_TAO3530;
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
return 0;
}
/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
int misc_init_r(void)
{
struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
twl4030_power_init();
twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
/* Configure GPIOs to output */
/* GPIO23 */
writel(~(GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
writel(~(GPIO31 | GPIO30 | GPIO22 | GPIO21 |
GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
/* Set GPIOs */
writel(GPIO10 | GPIO8 | GPIO2 | GPIO1,
&gpio6_base->setdataout);
writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
switch (tao3530_revision()) {
case 0:
puts("TAO-3530 REV Reserve 1\n");
break;
case 1:
puts("TAO-3530 REV Reserve 2\n");
break;
case 2:
puts("TAO-3530 REV Cx\n");
break;
case 3:
puts("TAO-3530 REV Ax/Bx\n");
break;
default:
puts("Unknown board revision\n");
}
omap_die_id_display();
return 0;
}
/*
* Routine: set_muxconf_regs
* Description: Setting up the configuration Mux registers specific to the
* hardware. Many pins need to be moved from protect to primary
* mode.
*/
void set_muxconf_regs(void)
{
MUX_TAO3530();
#if defined(CONFIG_SYS_BOARD_OMAP3_HA)
MUX_OMAP3_HA();
#endif
}
#if defined(CONFIG_GENERIC_MMC)
int board_mmc_init(bd_t *bis)
{
omap_mmc_init(0, 0, 0, -1, -1);
return 0;
}
#endif
#if defined(CONFIG_GENERIC_MMC)
void board_mmc_power_init(void)
{
twl4030_power_mmc_init(0);
}
#endif
#if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD)
/* Call usb_stop() before starting the kernel */
void show_boot_progress(int val)
{
if (val == BOOTSTAGE_ID_RUN_OS)
usb_stop();
}
static struct omap_usbhs_board_data usbhs_bdata = {
.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
};
int ehci_hcd_init(int index, enum usb_init_type init,
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
}
int ehci_hcd_stop(int index)
{
return omap_ehci_hcd_stop();
}
#endif /* CONFIG_USB_EHCI */
|
