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Diffstat (limited to 'src/drivers/generic/debug')
-rw-r--r--src/drivers/generic/debug/Kconfig2
-rw-r--r--src/drivers/generic/debug/Makefile.inc1
-rw-r--r--src/drivers/generic/debug/debug_dev.c289
3 files changed, 0 insertions, 292 deletions
diff --git a/src/drivers/generic/debug/Kconfig b/src/drivers/generic/debug/Kconfig
deleted file mode 100644
index 608136af36..0000000000
--- a/src/drivers/generic/debug/Kconfig
+++ /dev/null
@@ -1,2 +0,0 @@
-config DRIVERS_GENERIC_DEBUG
- bool
diff --git a/src/drivers/generic/debug/Makefile.inc b/src/drivers/generic/debug/Makefile.inc
deleted file mode 100644
index a6a3bd2047..0000000000
--- a/src/drivers/generic/debug/Makefile.inc
+++ /dev/null
@@ -1 +0,0 @@
-ramstage-$(CONFIG_DRIVERS_GENERIC_DEBUG) += debug_dev.c
diff --git a/src/drivers/generic/debug/debug_dev.c b/src/drivers/generic/debug/debug_dev.c
deleted file mode 100644
index b523ca7058..0000000000
--- a/src/drivers/generic/debug/debug_dev.c
+++ /dev/null
@@ -1,289 +0,0 @@
-#include <console/console.h>
-#include <device/device.h>
-#include <device/smbus.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <device/pci_ops.h>
-#include <cpu/x86/msr.h>
-#include <reset.h>
-#include <delay.h>
-
-static void print_pci_regs(struct device *dev)
-{
- uint8_t byte;
- int i;
-
- for(i=0;i<256;i++) {
- byte = pci_read_config8(dev, i);
-
- if((i & 0xf)==0) printk(BIOS_DEBUG, "\n%02x:",i);
- printk(BIOS_DEBUG, " %02x",byte);
- }
- printk(BIOS_DEBUG, "\n");
-}
-
-static void print_mem(void)
-{
- unsigned int i;
- unsigned int start = 0xfffff000;
- for(i=start;i<0xffffffff;i++) {
- if((i & 0xf)==0) printk(BIOS_DEBUG, "\n %08x:",i);
- printk(BIOS_DEBUG, " %02x",(unsigned char)*((unsigned char *)i));
- }
- printk(BIOS_DEBUG, " %02x\n",(unsigned char)*((unsigned char *)i));
-
- }
-static void print_pci_regs_all(void)
-{
- struct device *dev;
- unsigned bus, device, function;
-
- for(bus=0; bus<256; bus++) {
- for(device=0; device<=0x1f; device++) {
- for (function=0; function<=7; function++){
- unsigned devfn;
- devfn = PCI_DEVFN(device, function);
- dev = dev_find_slot(bus, devfn);
- if(!dev) {
- continue;
- }
- if(!dev->enabled) {
- continue;
- }
- printk(BIOS_DEBUG, "\n%02x:%02x:%02x aka %s",
- bus, device, function, dev_path(dev));
- print_pci_regs(dev);
- }
- }
- }
-}
-
-static void print_cpuid(void)
-{
- msr_t msr;
- unsigned index;
- unsigned eax, ebx, ecx, edx;
- index = 0x80000007;
- printk(BIOS_DEBUG, "calling cpuid 0x%08x\n", index);
- asm volatile(
- "cpuid"
- : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
- : "a" (index)
- );
- printk(BIOS_DEBUG, "cpuid[%08x]: %08x %08x %08x %08x\n",
- index, eax, ebx, ecx, edx);
- if (edx & (3 << 1)) {
- index = 0xC0010042;
- printk(BIOS_DEBUG, "Reading msr: 0x%08x\n", index);
- msr = rdmsr(index);
- printk(BIOS_DEBUG, "msr[0x%08x]: 0x%08x%08x\n",
- index, msr.hi, msr.lo);
- }
-
-}
-static void print_smbus_regs(struct device *dev)
-{
- int j;
- printk(BIOS_DEBUG, "smbus: %s[%d]->", dev_path(dev->bus->dev), dev->bus->link_num);
- printk(BIOS_DEBUG, "%s", dev_path(dev));
- for(j = 0; j < 256; j++) {
- int status;
- unsigned char byte;
- status = smbus_read_byte(dev, j);
- if (status < 0) {
- // printk(BIOS_DEBUG, "bad device status= %08x\n", status);
- break;
- }
- if ((j & 0xf) == 0) {
- printk(BIOS_DEBUG, "\n%02x: ", j);
- }
- byte = status & 0xff;
- printk(BIOS_DEBUG, "%02x ", byte);
- }
- printk(BIOS_DEBUG, "\n");
-}
-
-static void print_smbus_regs_all(struct device *dev)
-{
- struct device *child;
- struct bus *link;
- if (dev->enabled && dev->path.type == DEVICE_PATH_I2C)
- {
- // Here don't need to call smbus_set_link, because we scan it from top to down
- if( dev->bus->dev->path.type == DEVICE_PATH_I2C) { // it's under i2c MUX so set mux at first
- if(ops_smbus_bus(get_pbus_smbus(dev->bus->dev))) {
- if(dev->bus->dev->ops && dev->bus->dev->ops->set_link)
- dev->bus->dev->ops->set_link(dev->bus->dev, dev->bus->link_num);
- }
- }
-
- if(ops_smbus_bus(get_pbus_smbus(dev))) print_smbus_regs(dev);
- }
-
- for(link = dev->link_list; link; link = link->next) {
- for (child = link->children; child; child = child->sibling) {
- print_smbus_regs_all(child);
- }
- }
-}
-static void print_msr_dualcore(void)
-{
- msr_t msr;
- unsigned index;
- unsigned eax, ebx, ecx, edx;
- index = 0x80000008;
- printk(BIOS_DEBUG, "calling cpuid 0x%08x\n", index);
- asm volatile(
- "cpuid"
- : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
- : "a" (index)
- );
- printk(BIOS_DEBUG, "cpuid[%08x]: %08x %08x %08x %08x\n",
- index, eax, ebx, ecx, edx);
-
- printk(BIOS_DEBUG, "core number %d\n", ecx & 0xff);
-
- index = 0xc001001f;
- printk(BIOS_DEBUG, "Reading msr: 0x%08x\n", index);
- msr = rdmsr(index);
- printk(BIOS_DEBUG, "msr[0x%08x]: 0x%08x%08x bit 54 is %d\n",
- index, msr.hi, msr.lo, (msr.hi>> (54-32)) & 1);
-#if 0
- msr.hi |= (1<<(54-32));
- wrmsr(index, msr);
-
- msr = rdmsr(index);
- printk(BIOS_DEBUG, "msr[0x%08x]: 0x%08x%08x\n",
- index, msr.hi, msr.lo);
-#endif
-
-}
-
-static void print_cache_size(void)
-{
- unsigned index;
- unsigned int n, eax, ebx, ecx, edx;
-
- index = 0x80000000;
- printk(BIOS_DEBUG, "calling cpuid 0x%08x\n", index);
- asm volatile(
- "cpuid"
- : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
- : "a" (index)
- );
- n = eax;
-
- if (n >= 0x80000005) {
- index = 0x80000005;
- printk(BIOS_DEBUG, "calling cpuid 0x%08x\n", index);
- asm volatile(
- "cpuid"
- : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
- : "a" (index)
- );
- printk(BIOS_DEBUG, "CPU: L1 I Cache: %dK (%d bytes/line), D cache %dK (%d bytes/line)\n",
- edx>>24, edx&0xFF, ecx>>24, ecx&0xFF);
- }
-
- if (n >= 0x80000006) {
- index = 0x80000006;
- printk(BIOS_DEBUG, "calling cpuid 0x%08x\n", index);
- asm volatile(
- "cpuid"
- : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
- : "a" (index)
- );
- printk(BIOS_DEBUG, "CPU: L2 Cache: %dK (%d bytes/line)\n",
- ecx >> 16, ecx & 0xFF);
- }
-
-}
-
-struct tsc_struct {
- unsigned lo;
- unsigned hi;
-};
-typedef struct tsc_struct tsc_t;
-
-static tsc_t rdtsc(void)
-{
- tsc_t res;
- asm volatile(
- "rdtsc"
- : "=a" (res.lo), "=d"(res.hi) /* outputs */
- );
- return res;
-}
-
-static void print_tsc(void) {
-
- tsc_t tsc;
- tsc = rdtsc();
- printk(BIOS_DEBUG, "tsc: 0x%08x%08x\n",
- tsc.hi, tsc.lo);
- udelay(1);
- tsc = rdtsc();
- printk(BIOS_DEBUG, "tsc: 0x%08x%08x after udelay(1) \n",
- tsc.hi, tsc.lo);
-
-}
-
-static void debug_init(device_t dev)
-{
- device_t parent;
-
- if (!dev->enabled)
- return;
- switch(dev->path.pnp.device) {
- case 0:
- parent = dev->bus->dev;
- printk(BIOS_DEBUG, "DEBUG: %s : %s\n", dev_path(parent), dev_name(parent));
- break;
-
- case 1:
- print_pci_regs_all();
- break;
- case 2:
- print_mem();
- break;
- case 3:
- print_cpuid();
- break;
- case 4:
- print_smbus_regs_all(&dev_root);
- break;
- case 5:
- print_msr_dualcore();
- break;
- case 6:
- print_cache_size();
- break;
- case 7:
- print_tsc();
- break;
- case 8:
- hard_reset();
- break;
- }
-}
-
-static void debug_noop(device_t dummy)
-{
-}
-
-static struct device_operations debug_operations = {
- .read_resources = debug_noop,
- .set_resources = debug_noop,
- .enable_resources = debug_noop,
- .init = debug_init,
-};
-
-static void enable_dev(struct device *dev)
-{
- dev->ops = &debug_operations;
-}
-
-struct chip_operations drivers_generic_debug_ops = {
- CHIP_NAME("Debug device")
- .enable_dev = enable_dev,
-};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 17:20:49 +0000