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
|
/*
* Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
*
* 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 <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/phy.h>
#include <linux/serial_8250.h>
#include <linux/stmmac.h>
#include <asm-generic/sizes.h>
#include <loongson1.h>
#define LS1X_UART(_id) \
{ \
.mapbase = LS1X_UART ## _id ## _BASE, \
.irq = LS1X_UART ## _id ## _IRQ, \
.iotype = UPIO_MEM, \
.flags = UPF_IOREMAP | UPF_FIXED_TYPE, \
.type = PORT_16550A, \
}
static struct plat_serial8250_port ls1x_serial8250_port[] = {
LS1X_UART(0),
LS1X_UART(1),
LS1X_UART(2),
LS1X_UART(3),
{},
};
struct platform_device ls1x_uart_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = ls1x_serial8250_port,
},
};
void __init ls1x_serial_setup(void)
{
struct clk *clk;
struct plat_serial8250_port *p;
clk = clk_get(NULL, "dc");
if (IS_ERR(clk))
panic("unable to get dc clock, err=%ld", PTR_ERR(clk));
for (p = ls1x_serial8250_port; p->flags != 0; ++p)
p->uartclk = clk_get_rate(clk);
}
/* Synopsys Ethernet GMAC */
static struct resource ls1x_eth0_resources[] = {
[0] = {
.start = LS1X_GMAC0_BASE,
.end = LS1X_GMAC0_BASE + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.name = "macirq",
.start = LS1X_GMAC0_IRQ,
.flags = IORESOURCE_IRQ,
},
};
static struct stmmac_mdio_bus_data ls1x_mdio_bus_data = {
.bus_id = 0,
.phy_mask = 0,
};
static struct plat_stmmacenet_data ls1x_eth_data = {
.bus_id = 0,
.phy_addr = -1,
.mdio_bus_data = &ls1x_mdio_bus_data,
.has_gmac = 1,
.tx_coe = 1,
};
struct platform_device ls1x_eth0_device = {
.name = "stmmaceth",
.id = 0,
.num_resources = ARRAY_SIZE(ls1x_eth0_resources),
.resource = ls1x_eth0_resources,
.dev = {
.platform_data = &ls1x_eth_data,
},
};
/* USB EHCI */
static u64 ls1x_ehci_dmamask = DMA_BIT_MASK(32);
static struct resource ls1x_ehci_resources[] = {
[0] = {
.start = LS1X_EHCI_BASE,
.end = LS1X_EHCI_BASE + SZ_32K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = LS1X_EHCI_IRQ,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device ls1x_ehci_device = {
.name = "ls1x-ehci",
.id = -1,
.num_resources = ARRAY_SIZE(ls1x_ehci_resources),
.resource = ls1x_ehci_resources,
.dev = {
.dma_mask = &ls1x_ehci_dmamask,
},
};
/* Real Time Clock */
struct platform_device ls1x_rtc_device = {
.name = "ls1x-rtc",
.id = -1,
};
|
