#include <console/console.h>
#include <arch/smp/mpspec.h>
+#include <arch/ioapic.h>
#include <device/pci.h>
#include <string.h>
#include <stdint.h>
+#include <cpu/x86/lapic.h>
+#include <arch/cpu.h>
+#include <arch/io.h>
+
+#define HT_INIT_CONTROL 0x6c
+#define HTIC_BIOSR_Detect (1<<5)
static unsigned node_link_to_bus(unsigned node, unsigned link)
{
dev = dev_find_slot(0, PCI_DEVFN(0x18, 1));
if (!dev) {
- return 0;
+ return 0xff;
}
for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
uint32_t config_map;
dst_node = (config_map >> 4) & 7;
dst_link = (config_map >> 8) & 3;
bus_base = (config_map >> 16) & 0xff;
-#if 0
- printk_debug("node.link=bus: %d.%d=%d 0x%2x->0x%08x\n",
+#if 0
+ printk(BIOS_DEBUG, "node.link=bus: %d.%d=%d 0x%2x->0x%08x\n",
dst_node, dst_link, bus_base,
reg, config_map);
#endif
- if ((dst_node == node) && (dst_link == link))
+ if ((dst_node == node) && (dst_link == link))
{
return bus_base;
}
}
- return 0;
+ return 0xff;
+}
+
+static unsigned max_apicid(void)
+{
+ unsigned max;
+ device_t dev;
+ max = 0;
+ for(dev = all_devices; dev; dev = dev->next) {
+ if (dev->path.type != DEVICE_PATH_APIC)
+ continue;
+ if (dev->path.apic.apic_id > max) {
+ max = dev->path.apic.apic_id;
+ }
+ }
+ return max;
}
-void *smp_write_config_table(void *v)
+static void *smp_write_config_table(void *v)
{
- static const char sig[4] = "PCMP";
- static const char oem[8] = "LNXI ";
- static const char productid[12] = "HDAMA ";
struct mp_config_table *mc;
- unsigned char bus_num;
- unsigned char bus_isa;
+ int bus_isa;
unsigned char bus_chain_0;
unsigned char bus_8131_1;
unsigned char bus_8131_2;
unsigned char bus_8111_1;
+ unsigned apicid_base;
+ unsigned apicid_8111;
+ unsigned apicid_8131_1;
+ unsigned apicid_8131_2;
mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
- memset(mc, 0, sizeof(*mc));
-
- memcpy(mc->mpc_signature, sig, sizeof(sig));
- mc->mpc_length = sizeof(*mc); /* initially just the header */
- mc->mpc_spec = 0x04;
- mc->mpc_checksum = 0; /* not yet computed */
- memcpy(mc->mpc_oem, oem, sizeof(oem));
- memcpy(mc->mpc_productid, productid, sizeof(productid));
- mc->mpc_oemptr = 0;
- mc->mpc_oemsize = 0;
- mc->mpc_entry_count = 0; /* No entries yet... */
- mc->mpc_lapic = LAPIC_ADDR;
- mc->mpe_length = 0;
- mc->mpe_checksum = 0;
- mc->reserved = 0;
+
+ mptable_init(mc, LOCAL_APIC_ADDR);
smp_write_processors(mc);
+ apicid_base = max_apicid() + 1;
+ apicid_8111 = apicid_base;
+ apicid_8131_1 = apicid_base + 1;
+ apicid_8131_2 = apicid_base + 2;
{
device_t dev;
/* HT chain 0 */
bus_chain_0 = node_link_to_bus(0, 0);
- if (bus_chain_0 == 0) {
- printk_debug("ERROR - cound not find bus for node 0 chain 0, using defaults\n");
- bus_chain_0 = 1;
+ if (bus_chain_0 == 0xff) {
+ printk(BIOS_DEBUG, "ERROR - cound not find bus for node 0 chain 0, using defaults\n");
+ bus_chain_0 = 0;
}
/* 8111 */
dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x03,0));
if (dev) {
bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
- bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
- bus_isa++;
}
else {
- printk_debug("ERROR - could not find PCI 1:03.0, using defaults\n");
-
+ printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:03.0, using defaults\n", bus_chain_0);
bus_8111_1 = 4;
- bus_isa = 5;
}
/* 8131-1 */
dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x01,0));
if (dev) {
bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-
}
else {
- printk_debug("ERROR - could not find PCI 1:01.0, using defaults\n");
-
+ printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:01.0, using defaults\n", bus_chain_0);
bus_8131_1 = 2;
}
/* 8131-2 */
dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x02,0));
if (dev) {
bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-
}
else {
- printk_debug("ERROR - could not find PCI 1:02.0, using defaults\n");
-
+ printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:02.0, using defaults\n", bus_chain_0);
bus_8131_2 = 3;
}
}
- /* define bus and isa numbers */
- for(bus_num = 0; bus_num < bus_isa; bus_num++) {
- smp_write_bus(mc, bus_num, "PCI ");
- }
- smp_write_bus(mc, bus_isa, "ISA ");
+ mptable_write_buses(mc, NULL, &bus_isa);
/* IOAPIC handling */
- smp_write_ioapic(mc, 2, 0x11, 0xfec00000);
+ smp_write_ioapic(mc, apicid_8111, 0x11, IO_APIC_ADDR);
{
device_t dev;
struct resource *res;
if (dev) {
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (res) {
- smp_write_ioapic(mc, 0x03, 0x11, res->base);
+ smp_write_ioapic(mc, apicid_8131_1, 0x11, res->base);
}
}
/* 8131 apic 4 */
if (dev) {
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (res) {
- smp_write_ioapic(mc, 0x04, 0x11, res->base);
+ smp_write_ioapic(mc, apicid_8131_2, 0x11, res->base);
}
}
}
- /* ISA backward compatibility interrupts */
- smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x00, 0x02, 0x00);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x01, 0x02, 0x01);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x00, 0x02, 0x02);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x03, 0x02, 0x03);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x04, 0x02, 0x04);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x05, 0x02, 0x05);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x06, 0x02, 0x06);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x07, 0x02, 0x07);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x08, 0x02, 0x08);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x09, 0x02, 0x09);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x0a, 0x02, 0x0a);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x0b, 0x02, 0x0b);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x0c, 0x02, 0x0c);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x0d, 0x02, 0x0d);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x0e, 0x02, 0x0e);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x0f, 0x02, 0x0f);
+ mptable_add_isa_interrupts(mc, bus_isa, apicid_8111, 0);
/* Standard local interrupt assignments */
- smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x00, MP_APIC_ALL, 0x00);
- smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
- bus_isa, 0x00, MP_APIC_ALL, 0x01);
+ mptable_lintsrc(mc, bus_isa);
/* PCI Ints: Type Trigger Polarity Bus ID PCIDEVNUM|IRQ APIC ID PIN# */
/* On board nics */
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x03<<2)|0, 0x02, 0x13);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x04<<2)|0, 0x02, 0x13);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x03<<2)|0, apicid_8111, 0x13);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x04<<2)|0, apicid_8111, 0x13);
+ /* On board SATA */
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x05<<2)|0, apicid_8111, 0x11);
/* PCI Slot 1 */
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x01<<2)|0, 0x02, 0x11);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x01<<2)|1, 0x02, 0x12);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x01<<2)|2, 0x02, 0x13);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x01<<2)|3, 0x02, 0x10);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x01<<2)|0, apicid_8111, 0x11);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x01<<2)|1, apicid_8111, 0x12);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x01<<2)|2, apicid_8111, 0x13);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x01<<2)|3, apicid_8111, 0x10);
/* PCI Slot 2 */
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x02<<2)|0, 0x02, 0x12);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x02<<2)|1, 0x02, 0x13);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x02<<2)|2, 0x02, 0x10);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x02<<2)|3, 0x02, 0x11);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x02<<2)|0, apicid_8111, 0x12);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x02<<2)|1, apicid_8111, 0x13);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x02<<2)|2, apicid_8111, 0x10);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x02<<2)|3, apicid_8111, 0x11);
/* PCI Slot 3 */
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|0, 0x02, 0x11);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|1, 0x02, 0x12);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|2, 0x02, 0x13);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|3, 0x02, 0x10);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|0, apicid_8111, 0x11);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|1, apicid_8111, 0x12);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|2, apicid_8111, 0x13);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|3, apicid_8111, 0x10);
/* PCI Slot 4 */
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|0, 0x02, 0x12);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|1, 0x02, 0x13);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|2, 0x02, 0x10);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|3, 0x02, 0x11);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|0, apicid_8111, 0x12);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|1, apicid_8111, 0x13);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|2, apicid_8111, 0x10);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|3, apicid_8111, 0x11);
/* PCI Slot 5 */
-#warning "FIXME get the irqs right, it's just hacked to work for now"
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|0, 0x02, 0x11);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|1, 0x02, 0x12);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|2, 0x02, 0x13);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|3, 0x02, 0x10);
+ // FIXME get the irqs right, it's just hacked to work for now
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|0, apicid_8111, 0x11);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|1, apicid_8111, 0x12);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|2, apicid_8111, 0x13);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|3, apicid_8111, 0x10);
/* PCI Slot 6 */
-#warning "FIXME get the irqs right, it's just hacked to work for now"
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x04<<2)|0, 0x02, 0x10);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x04<<2)|1, 0x02, 0x11);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x04<<2)|2, 0x02, 0x12);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x04<<2)|3, 0x02, 0x13);
+ // FIXME get the irqs right, it's just hacked to work for now
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x04<<2)|0, apicid_8111, 0x10);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x04<<2)|1, apicid_8111, 0x11);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x04<<2)|2, apicid_8111, 0x12);
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x04<<2)|3, apicid_8111, 0x13);
/* There is no extension information... */
/* Compute the checksums */
- mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);
- mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);
- printk_debug("Wrote the mp table end at: %p - %p\n",
- mc, smp_next_mpe_entry(mc));
- return smp_next_mpe_entry(mc);
+ return mptable_finalize(mc);
+}
+
+static void reboot_if_hotswap(void)
+{
+ /* Hack patch work around for hot swap enable 33mhz problem */
+ device_t dev;
+ uint32_t data;
+ unsigned long htic;
+ int reset;
+
+ unsigned bus_chain_0 = node_link_to_bus(0, 0);
+
+ reset = 0;
+ printk(BIOS_DEBUG, "Looking for bad PCIX MHz input\n");
+ dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x02,0));
+ if (!dev)
+ printk(BIOS_DEBUG, "Couldn't find %02x:02.0 \n", bus_chain_0);
+ else {
+ data = pci_read_config32(dev, 0xa0);
+ if(!(((data>>16)&0x03)==0x03)) {
+ reset=1;
+ printk(BIOS_DEBUG, "Bad PCIX MHz - Reset\n");
+ }
+ }
+ printk(BIOS_DEBUG, "Looking for bad Hot Swap Enable\n");
+ dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x01,0));
+ if (!dev)
+ printk(BIOS_DEBUG, "Couldn't find %02x:01.0 \n", bus_chain_0);
+ else {
+ data = pci_read_config32(dev, 0x48);
+ if(data & 0x0c) {
+ reset=1;
+ printk(BIOS_DEBUG, "Bad Hot Swap start - Reset\n");
+ }
+ }
+ if(reset) {
+ /* enable cf9 */
+ dev = dev_find_slot(node_link_to_bus(0, 0), PCI_DEVFN(0x04,3));
+ pci_write_config8(dev, 0x41, 0xf1);
+ /* reset */
+ dev = dev_find_slot(0, PCI_DEVFN(0x18,0));
+ htic = pci_read_config32(dev, HT_INIT_CONTROL);
+ htic &= ~HTIC_BIOSR_Detect;
+ pci_write_config32(dev, HT_INIT_CONTROL, htic);
+ outb(0x0e, 0x0cf9);
+ }
+ else {
+ printk(BIOS_DEBUG, "OK 133MHz & Hot Swap is off\n");
+ }
}
unsigned long write_smp_table(unsigned long addr)
{
void *v;
- v = smp_write_floating_table(addr);
+ reboot_if_hotswap();
+
+ v = smp_write_floating_table(addr, 0);
return (unsigned long)smp_write_config_table(v);
}
projects / coreboot.git / blobdiff