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git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1748 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu 2004-11-05 03:44:01 +00:00
parent 3779f6a4cb
commit 7bf1b48bd4
2 changed files with 97 additions and 59 deletions
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134
src/drivers/generic/debug/debug_dev.c
View File

@ -3,85 +3,107 @@
#include <device/pci.h> #include <device/pci.h>
#include <device/pci_ids.h> #include <device/pci_ids.h>
#include <device/pci_ops.h> #include <device/pci_ops.h>
#include <cpu/x86/msr.h>
#include "chip.h" #include "chip.h"
static void print_pci_regs(struct device *dev) static void print_pci_regs(struct device *dev)
{ {
uint8_t byte; uint8_t byte;
int i; int i;
for (i = 0; i < 256; i++) { for(i=0;i<256;i++) {
byte = pci_read_config8(dev, i); byte = pci_read_config8(dev, i);
if ((i & 0xf) == 0) if((i & 0xf)==0) printk_debug("\n%02x:",i);
printk_debug("\n%02x:", i); printk_debug(" %02x",byte);
printk_debug(" %02x", byte); }
} printk_debug("\n");
printk_debug("\n");
} }
static void print_mem(void) static void print_mem(void)
{ {
unsigned int i; unsigned int i;
unsigned int start = 0xfffff000; unsigned int start = 0xfffff000;
for (i = start; i < 0xffffffff; i++) { for(i=start;i<0xffffffff;i++) {
if ((i & 0xf) == 0) if((i & 0xf)==0) printk_debug("\n %08x:",i);
printk_debug("\n %08x:", i); printk_debug(" %02x",(unsigned char)*((unsigned char *)i));
printk_debug(" %02x ", (unsigned char) *((unsigned char *) i)); }
} printk_debug(" %02x\n",(unsigned char)*((unsigned char *)i));
printk_debug(" %02x \n", (unsigned char) *((unsigned char *) i));
} }
static void print_pci_regs_all(void) static void print_pci_regs_all(void)
{ {
struct device *dev; struct device *dev;
unsigned char i, j, k; unsigned char i,j,k;
for (i = 0; i <= 15; i++) { for(i=0;i<=15;i++) {
for (j = 0; j <= 0x1f; j++) { for(j=0;j<=0x1f;j++) {
for (k = 0; k <= 6; k++) { for (k=0;k<=6;k++){
dev = dev_find_slot(i, PCI_DEVFN(j, k)); dev = dev_find_slot(i, PCI_DEVFN(j, k));
if (!dev) { if(!dev) {
continue; continue;
} }
if (!dev->enabled) { if(!dev->enabled) {
continue; continue;
} }
printk_debug("\n%02x:%02x:%02x aka %s", i, printk_debug("\n%02x:%02x:%02x aka %s",i,j,k, dev_path(dev));
j, k, dev_path(dev));
print_pci_regs(dev); print_pci_regs(dev);
} }
} }
} }
} }
static void print_msr()
{
msr_t msr;
unsigned index;
unsigned eax, ebx, ecx, edx;
index = 0x80000007;
printk_debug("calling cpuid 0x%08x\n", index);
asm volatile(
"cpuid"
: "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
: "a" (index)
);
printk_debug("cpuid[%08x]: %08x %08x %08x %08x\n",
index, eax, ebx, ecx, edx);
if (edx & (3 << 1)) {
index = 0xC0010042;
printk_debug("Reading msr: 0x%08x\n", index);
msr = rdmsr(index);
printk_debug("msr[0x%08x]: 0x%08x%08x\n",
index, msr.hi, msr.hi);
}
}
static void debug_init(device_t dev) static void debug_init(device_t dev)
{ {
unsigned bus; device_t parent;
unsigned devfn; switch(dev->path.u.pnp.device) {
#if CONFIG_CHIP_NAME
// print_pci_regs_all(); case 0:
parent = dev->bus->dev;
print_mem(); printk_debug("DEBUG: %s", dev_path(parent));
#if 0 if(parent->chip_ops && parent->chip_ops->name) {
msr_t msr; printk_debug(": %s\n", parent->chip_ops->name);
unsigned index; } else {
unsigned eax, ebx, ecx, edx; printk_debug("\n");
index = 0x80000007; }
printk_debug("calling cpuid 0x%08x\n", index); break;
asm volatile ("cpuid":"=a" (eax), "=b"(ebx), "=c"(ecx), "=d"(edx)
:"a"(index)
);
printk_debug("cpuid[%08x]: %08x %08x %08x %08x\n",
index, eax, ebx, ecx, edx);
if (edx & (3 << 1)) {
index = 0xC0010042;
printk_debug("Reading msr: 0x%08x\n", index);
msr = rdmsr(index);
printk_debug("msr[0x%08x]: 0x%08x%08x\n",
index, msr.hi, msr.hi);
}
#endif #endif
case 1:
print_pci_regs_all();
break;
case 2:
print_mem();
break;
case 3:
print_msr();
break;
}
} }
static void debug_noop(device_t dummy) static void debug_noop(device_t dummy)
@ -89,10 +111,10 @@ static void debug_noop(device_t dummy)
} }
static struct device_operations debug_operations = { static struct device_operations debug_operations = {
.read_resources = debug_noop, .read_resources = debug_noop,
.set_resources = debug_noop, .set_resources = debug_noop,
.enable_resources = debug_noop, .enable_resources = debug_noop,
.init = debug_init, .init = debug_init,
}; };
static void enable_dev(struct device *dev) static void enable_dev(struct device *dev)
@ -102,5 +124,5 @@ static void enable_dev(struct device *dev)
struct chip_operations drivers_generic_debug_ops = { struct chip_operations drivers_generic_debug_ops = {
CHIP_NAME("Debug device") CHIP_NAME("Debug device")
.enable_dev = enable_dev, .enable_dev = enable_dev,
}; };

22
src/mainboard/tyan/s2885/Config.lb
View File

@ -157,6 +157,12 @@ chip northbridge/amd/amdk8
device pci 1.0 off end device pci 1.0 off end
end end
device pci 1.0 on device pci 1.0 on
chip drivers/generic/debug
device pnp 2.0 on end
device pnp 2.1 off end
device pnp 2.2 off end
device pnp 2.3 on end
end
chip superio/winbond/w83627hf chip superio/winbond/w83627hf
device pnp 2e.0 on # Floppy device pnp 2e.0 on # Floppy
io 0x60 = 0x3f0 io 0x60 = 0x3f0
@ -210,7 +216,14 @@ chip northbridge/amd/amdk8
device pci 18.1 on end device pci 18.1 on end
device pci 18.2 on end device pci 18.2 on end
device pci 18.3 on end device pci 18.3 on
# chip drivers/generic/debug
# device pnp 1.0 on end
# device pnp 1.1 off end
# device pnp 1.2 off end
# device pnp 1.3 on end
# end
end
chip northbridge/amd/amdk8 chip northbridge/amd/amdk8
device pci 19.0 on end device pci 19.0 on end
@ -230,8 +243,11 @@ chip northbridge/amd/amdk8
end end
end end
chip drivers/generic/debug chip drivers/generic/debug
device pnp 0.0 on end device pnp 0.0 on end
device pnp 0.1 off end
device pnp 0.2 off end
device pnp 0.3 on end
end end
end end