Since some people disapprove of white space cleanups mixed in regular commits
[coreboot.git] / src / drivers / emulation / qemu / init.c
1 #include <delay.h>
2 #include <stdlib.h>
3 #include <string.h>
4 #include <arch/io.h>
5
6 #include <console/console.h>
7 #include <device/device.h>
8 #include <device/pci.h>
9 #include <device/pci_ids.h>
10 #include <device/pci_ops.h>
11
12 #if CONFIG_CONSOLE_BTEXT==1
13
14 #define PLL_CRTC_DECODE 0
15 #define SUPPORT_8_BPP_ABOVE 0
16
17 #include "fb.h"
18 #include "fbcon.h"
19
20 #include <console/btext.h>
21
22 #endif /*CONFIG_CONSOLE_BTEXT*/
23
24
25 /* VGA init. We use the Bochs VESA VBE extensions  */
26 #define VBE_DISPI_INDEX_ID              0x0
27 #define VBE_DISPI_INDEX_XRES            0x1
28 #define VBE_DISPI_INDEX_YRES            0x2
29 #define VBE_DISPI_INDEX_BPP             0x3
30 #define VBE_DISPI_INDEX_ENABLE          0x4
31 #define VBE_DISPI_INDEX_BANK            0x5
32 #define VBE_DISPI_INDEX_VIRT_WIDTH      0x6
33 #define VBE_DISPI_INDEX_VIRT_HEIGHT     0x7
34 #define VBE_DISPI_INDEX_X_OFFSET        0x8
35 #define VBE_DISPI_INDEX_Y_OFFSET        0x9
36 #define VBE_DISPI_INDEX_NB              0xa
37
38 #define VBE_DISPI_ID0                   0xB0C0
39 #define VBE_DISPI_ID1                   0xB0C1
40 #define VBE_DISPI_ID2                   0xB0C2
41
42 #define VBE_DISPI_DISABLED              0x00
43 #define VBE_DISPI_ENABLED               0x01
44 #define VBE_DISPI_LFB_ENABLED           0x40
45 #define VBE_DISPI_NOCLEARMEM            0x80
46
47 #define VBE_DISPI_LFB_PHYSICAL_ADDRESS  0xE0000000
48
49 static void vbe_outw(int index, int val)
50 {
51     outw(0x1ce, index);
52     outw(0x1cf, val);
53 }
54
55 static void qemu_init(void)
56 {
57     int width=640, height=480, depth=8;
58
59     printk(BIOS_DEBUG, "Initializing VGA!\n");
60
61     vbe_outw(VBE_DISPI_INDEX_XRES, width);
62     vbe_outw(VBE_DISPI_INDEX_YRES, height);
63     vbe_outw(VBE_DISPI_INDEX_BPP, depth);
64     vbe_outw(VBE_DISPI_INDEX_ENABLE, VBE_DISPI_ENABLED);
65     outb(0x3c0, 0x20); /* disable blanking */
66 /*
67     vga_fb_phys_addr = VBE_DISPI_LFB_PHYSICAL_ADDRESS;
68     vga_fb_width = width;
69     vga_fb_height = height;
70     vga_fb_depth = depth;
71     vga_fb_bpp = (depth + 7) >> 3;
72     vga_fb_linesize = width * vga_fb_bpp;
73     */
74 }
75
76 static struct device_operations qemu_graph_ops  = {
77         .read_resources   = pci_dev_read_resources,
78         .set_resources    = pci_dev_set_resources,
79         .enable_resources = pci_dev_enable_resources,
80         .init             = qemu_init,
81         .scan_bus         = 0,
82 };
83
84 static const struct pci_driver qemu_graph_driver __pci_driver = {
85         .ops    = &qemu_graph_ops,
86         .vendor = 0x1234,
87         .device = 0x1111,
88 };
89
90