blob: 86ce730f791321a11b7b8a52bb553a374ddfa5d7 (
plain)
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
|
/*
* s6105 control routines
*
* Copyright (c) 2009 emlix GmbH
*/
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <asm/bootparam.h>
#include <variant/hardware.h>
#include <variant/gpio.h>
#include <platform/gpio.h>
void platform_halt(void)
{
local_irq_disable();
while (1)
;
}
void platform_power_off(void)
{
platform_halt();
}
void platform_restart(void)
{
platform_halt();
}
void __init platform_setup(char **cmdline)
{
unsigned long reg;
reg = readl(S6_REG_GREG1 + S6_GREG1_PLLSEL);
reg &= ~(S6_GREG1_PLLSEL_GMAC_MASK << S6_GREG1_PLLSEL_GMAC |
S6_GREG1_PLLSEL_GMII_MASK << S6_GREG1_PLLSEL_GMII);
reg |= S6_GREG1_PLLSEL_GMAC_125MHZ << S6_GREG1_PLLSEL_GMAC |
S6_GREG1_PLLSEL_GMII_125MHZ << S6_GREG1_PLLSEL_GMII;
writel(reg, S6_REG_GREG1 + S6_GREG1_PLLSEL);
reg = readl(S6_REG_GREG1 + S6_GREG1_CLKGATE);
reg &= ~(1 << S6_GREG1_BLOCK_SB);
reg &= ~(1 << S6_GREG1_BLOCK_GMAC);
writel(reg, S6_REG_GREG1 + S6_GREG1_CLKGATE);
reg = readl(S6_REG_GREG1 + S6_GREG1_BLOCKENA);
reg |= 1 << S6_GREG1_BLOCK_SB;
reg |= 1 << S6_GREG1_BLOCK_GMAC;
writel(reg, S6_REG_GREG1 + S6_GREG1_BLOCKENA);
printk(KERN_NOTICE "S6105 on Stretch S6000 - "
"Copyright (C) 2009 emlix GmbH <info@emlix.com>\n");
}
void __init platform_init(bp_tag_t *first)
{
s6_gpio_init(0);
gpio_request(GPIO_LED1_NGREEN, "led1_green");
gpio_request(GPIO_LED1_RED, "led1_red");
gpio_direction_output(GPIO_LED1_NGREEN, 1);
}
void platform_heartbeat(void)
{
static unsigned int c;
if (!(++c & 0x4F))
gpio_direction_output(GPIO_LED1_RED, !(c & 0x10));
}
|
