Commit 438a8790 authored by Alan Cox's avatar Alan Cox Committed by Linus Torvalds

[PATCH] use the mach resources we added before

Now hw resources can be per mach- and we dont need a pile of ugly
ifdefs for weird shite
parent 67fb9e63
......@@ -44,6 +44,7 @@
#include <asm/setup.h>
#include <asm/arch_hooks.h>
#include "setup_arch_pre.h"
#include "mach_resources.h"
int disable_pse __initdata = 0;
......@@ -53,7 +54,6 @@ static inline char * __init machine_specific_memory_setup(void);
* Machine setup..
*/
char ignore_irq13; /* set if exception 16 works */
/* cpu data as detected by the assembly code in head.S */
struct cpuinfo_x86 new_cpu_data __initdata = { 0, 0, 0, 0, -1, 1, 0, 0, -1 };
/* common cpu data for all cpus */
......@@ -106,97 +106,20 @@ unsigned long saved_videomode;
static char command_line[COMMAND_LINE_SIZE];
char saved_command_line[COMMAND_LINE_SIZE];
struct resource standard_io_resources[] = {
{ "dma1", 0x00, 0x1f, IORESOURCE_BUSY },
{ "pic1", 0x20, 0x3f, IORESOURCE_BUSY },
{ "timer", 0x40, 0x5f, IORESOURCE_BUSY },
{ "keyboard", 0x60, 0x6f, IORESOURCE_BUSY },
{ "dma page reg", 0x80, 0x8f, IORESOURCE_BUSY },
{ "pic2", 0xa0, 0xbf, IORESOURCE_BUSY },
{ "dma2", 0xc0, 0xdf, IORESOURCE_BUSY },
{ "fpu", 0xf0, 0xff, IORESOURCE_BUSY }
};
#ifdef CONFIG_MELAN
standard_io_resources[1] = { "pic1", 0x20, 0x21, IORESOURCE_BUSY };
standard_io_resources[5] = { "pic2", 0xa0, 0xa1, IORESOURCE_BUSY };
#endif
#define STANDARD_IO_RESOURCES (sizeof(standard_io_resources)/sizeof(struct resource))
static struct resource code_resource = { "Kernel code", 0x100000, 0 };
static struct resource data_resource = { "Kernel data", 0, 0 };
static struct resource vram_resource = { "Video RAM area", 0xa0000, 0xbffff, IORESOURCE_BUSY };
/* System ROM resources */
#define MAXROMS 6
static struct resource rom_resources[MAXROMS] = {
{ "System ROM", 0xF0000, 0xFFFFF, IORESOURCE_BUSY },
{ "Video ROM", 0xc0000, 0xc7fff, IORESOURCE_BUSY }
};
#define romsignature(x) (*(unsigned short *)(x) == 0xaa55)
static void __init probe_roms(void)
{
int roms = 1;
unsigned long base;
unsigned char *romstart;
request_resource(&iomem_resource, rom_resources+0);
/* Video ROM is standard at C000:0000 - C7FF:0000, check signature */
for (base = 0xC0000; base < 0xE0000; base += 2048) {
romstart = isa_bus_to_virt(base);
if (!romsignature(romstart))
continue;
request_resource(&iomem_resource, rom_resources + roms);
roms++;
break;
}
/* Extension roms at C800:0000 - DFFF:0000 */
for (base = 0xC8000; base < 0xE0000; base += 2048) {
unsigned long length;
probe_video_rom(roms);
romstart = isa_bus_to_virt(base);
if (!romsignature(romstart))
continue;
length = romstart[2] * 512;
if (length) {
unsigned int i;
unsigned char chksum;
chksum = 0;
for (i = 0; i < length; i++)
chksum += romstart[i];
/* Good checksum? */
if (!chksum) {
rom_resources[roms].start = base;
rom_resources[roms].end = base + length - 1;
rom_resources[roms].name = "Extension ROM";
rom_resources[roms].flags = IORESOURCE_BUSY;
request_resource(&iomem_resource, rom_resources + roms);
roms++;
if (roms >= MAXROMS)
return;
}
}
}
/* Final check for motherboard extension rom at E000:0000 */
base = 0xE0000;
romstart = isa_bus_to_virt(base);
if (romsignature(romstart)) {
rom_resources[roms].start = base;
rom_resources[roms].end = base + 65535;
rom_resources[roms].name = "Extension ROM";
rom_resources[roms].flags = IORESOURCE_BUSY;
request_resource(&iomem_resource, rom_resources + roms);
}
/* Extension roms */
probe_extension_roms(roms);
}
static void __init limit_regions (unsigned long long size)
......@@ -861,7 +784,8 @@ static void __init register_memory(unsigned long max_low_pfn)
request_resource(res, &data_resource);
}
}
request_resource(&iomem_resource, &vram_resource);
request_graphics_resource();
/* request I/O space for devices used on all i[345]86 PCs */
for (i = 0; i < STANDARD_IO_RESOURCES; i++)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment