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
|
#include <console/console.h>
#include <device/device.h>
#define RAM_BASE ((CONFIG_SYS_SDRAM_BASE >> 10) + (CONFIG_COREBOOT_ROMSIZE_KB))
#define RAM_SIZE (((CONFIG_DRAM_SIZE_MB << 10UL) * CONFIG_NR_DRAM_BANKS) \
- CONFIG_COREBOOT_ROMSIZE_KB)
static void domain_read_resources(device_t dev)
{
ram_resource(dev, 0, RAM_BASE, RAM_SIZE);
}
static void domain_set_resources(device_t dev)
{
assign_resources(dev->link_list);
}
static unsigned int domain_scan_bus(device_t dev, unsigned int max)
{
return max;
}
static struct device_operations domain_ops = {
.read_resources = domain_read_resources,
.set_resources = domain_set_resources,
.enable_resources = NULL,
.init = NULL,
.scan_bus = domain_scan_bus,
};
static void cpu_init(device_t dev)
{
}
static void cpu_noop(device_t dev)
{
}
static struct device_operations cpu_ops = {
.read_resources = cpu_noop,
.set_resources = cpu_noop,
.enable_resources = cpu_noop,
.init = cpu_init,
.scan_bus = 0,
};
static void enable_dev(device_t dev)
{
/* Set the operations if it is a special bus type */
if (dev->path.type == DEVICE_PATH_DOMAIN) {
dev->ops = &domain_ops;
} else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
dev->ops = &cpu_ops;
}
}
struct chip_operations cpu_samsung_exynos5250_ops = {
CHIP_NAME("CPU Samsung Exynos 5250")
.enable_dev = enable_dev,
};
|
