We define IO_APIC_ADDR in <arch/ioapic.h>, let's use it.
[coreboot.git] / src / southbridge / nvidia / mcp55 / mcp55_lpc.c
index 8ed8e215818b25ac0d77fe42d9ec6640b0301cb6..0fb77c3e38952151109cb490d4be7982169c7713 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * This file is part of the LinuxBIOS project.
+ * This file is part of the coreboot project.
  *
  * Copyright (C) 2003 Linux Networx
  * Copyright (C) 2003 SuSE Linux AG
 #include <pc80/isa-dma.h>
 #include <bitops.h>
 #include <arch/io.h>
+#include <arch/ioapic.h>
 #include <cpu/x86/lapic.h>
+#include <stdlib.h>
 #include "mcp55.h"
 
 #define NMI_OFF        0
 
-struct ioapicreg {
-       unsigned int reg;
-       unsigned int value_low, value_high;
-};
-
-static struct ioapicreg ioapicregvalues[] = {
-#define ALL            (0xff << 24)
-#define NONE           (0)
-#define DISABLED       (1 << 16)
-#define ENABLED                (0 << 16)
-#define TRIGGER_EDGE   (0 << 15)
-#define TRIGGER_LEVEL  (1 << 15)
-#define POLARITY_HIGH  (0 << 13)
-#define POLARITY_LOW   (1 << 13)
-#define PHYSICAL_DEST  (0 << 11)
-#define LOGICAL_DEST   (1 << 11)
-#define ExtINT         (7 << 8)
-#define NMI            (4 << 8)
-#define SMI            (2 << 8)
-#define INT            (1 << 8)
-       /* IO-APIC virtual wire mode configuration */
-       /* mask, trigger, polarity, destination, delivery, vector */
-       {   0, ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | ExtINT, NONE},
-       {   1, DISABLED, NONE},
-       {   2, DISABLED, NONE},
-       {   3, DISABLED, NONE},
-       {   4, DISABLED, NONE},
-       {   5, DISABLED, NONE},
-       {   6, DISABLED, NONE},
-       {   7, DISABLED, NONE},
-       {   8, DISABLED, NONE},
-       {   9, DISABLED, NONE},
-       {  10, DISABLED, NONE},
-       {  11, DISABLED, NONE},
-       {  12, DISABLED, NONE},
-       {  13, DISABLED, NONE},
-       {  14, DISABLED, NONE},
-       {  15, DISABLED, NONE},
-       {  16, DISABLED, NONE},
-       {  17, DISABLED, NONE},
-       {  18, DISABLED, NONE},
-       {  19, DISABLED, NONE},
-       {  20, DISABLED, NONE},
-       {  21, DISABLED, NONE},
-       {  22, DISABLED, NONE},
-       {  23, DISABLED, NONE},
-       /* Be careful and don't write past the end... */
-};
-
-static void setup_ioapic(unsigned long ioapic_base)
-{
-       int i;
-       unsigned long value_low, value_high;
-//     unsigned long ioapic_base = 0xfec00000;
-       volatile unsigned long *l;
-       struct ioapicreg *a = ioapicregvalues;
-
-       ioapicregvalues[0].value_high = lapicid()<<(56-32);
-
-       l = (unsigned long *) ioapic_base;
-
-       for (i = 0; i < sizeof(ioapicregvalues) / sizeof(ioapicregvalues[0]);
-            i++, a++) {
-               l[0] = (a->reg * 2) + 0x10;
-               l[4] = a->value_low;
-               value_low = l[4];
-               l[0] = (a->reg *2) + 0x11;
-               l[4] = a->value_high;
-               value_high = l[4];
-               if ((i==0) && (value_low == 0xffffffff)) {
-                       printk_warning("IO APIC not responding.\n");
-                       return;
-               }
-               printk_spew("for IRQ, reg 0x%08x value 0x%08x 0x%08x\n",
-                           a->reg, a->value_low, a->value_high);
-       }
-}
-
 // 0x7a or e3
 #define PREVIOUS_POWER_STATE   0x7A
 
 #define MAINBOARD_POWER_OFF    0
 #define MAINBOARD_POWER_ON     1
-#define SLOW_CPU_OFF   0
-#define SLOW_CPU__ON   1
+#define SLOW_CPU_OFF           0
+#define SLOW_CPU__ON           1
 
-#ifndef MAINBOARD_POWER_ON_AFTER_POWER_FAIL
-#define MAINBOARD_POWER_ON_AFTER_POWER_FAIL    MAINBOARD_POWER_ON
+#ifndef CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL
+#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
 #endif
 
-static void lpc_common_init(device_t dev)
+static void lpc_common_init(device_t dev, int master)
 {
        uint8_t byte;
-       uint32_t dword;
+       uint32_t ioapic_base;
 
        /* IO APIC initialization */
        byte = pci_read_config8(dev, 0x74);
        byte |= (1<<0); // enable APIC
        pci_write_config8(dev, 0x74, byte);
-       dword = pci_read_config32(dev, PCI_BASE_ADDRESS_1); // 0x14
-
-       setup_ioapic(dword);
+       ioapic_base = pci_read_config32(dev, PCI_BASE_ADDRESS_1); // 0x14
 
+       if (master)
+               setup_ioapic(ioapic_base, 0);
+       else
+               clear_ioapic(ioapic_base);
 }
 
 static void lpc_slave_init(device_t dev)
 {
-       lpc_common_init(dev);
+       lpc_common_init(dev, 0);
 }
 
-#if 0
 static void enable_hpet(struct device *dev)
 {
        unsigned long hpet_address;
 
        pci_write_config32(dev,0x44, 0xfed00001);
        hpet_address=pci_read_config32(dev,0x44)& 0xfffffffe;
-       printk_debug("enabling HPET @0x%x\n", hpet_address);
+       printk(BIOS_DEBUG, "enabling HPET @0x%lx\n", hpet_address);
 }
-#endif
 
 static void lpc_init(device_t dev)
 {
@@ -166,18 +90,17 @@ static void lpc_init(device_t dev)
        int on;
        int nmi_option;
 
-       lpc_common_init(dev);
+       lpc_common_init(dev, 1);
 
 #if 0
        /* posted memory write enable */
        byte = pci_read_config8(dev, 0x46);
        pci_write_config8(dev, 0x46, byte | (1<<0));
-
 #endif
        /* power after power fail */
 
 #if 1
-       on = MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
+       on = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
        get_option(&on, "power_on_after_fail");
        byte = pci_read_config8(dev, PREVIOUS_POWER_STATE);
        byte &= ~0x40;
@@ -185,7 +108,7 @@ static void lpc_init(device_t dev)
                byte |= 0x40;
        }
        pci_write_config8(dev, PREVIOUS_POWER_STATE, byte);
-       printk_info("set power %s after power fail\n", on?"on":"off");
+       printk(BIOS_INFO, "set power %s after power fail\n", on?"on":"off");
 #endif
        /* Throttle the CPU speed down for testing */
        on = SLOW_CPU_OFF;
@@ -197,8 +120,8 @@ static void lpc_init(device_t dev)
                outl(((on<<1)+0x10)  ,(pm10_bar + 0x10));
                dword = inl(pm10_bar + 0x10);
                on = 8-on;
-               printk_debug("Throttling CPU %2d.%1.1d percent.\n",
-                               (on*12)+(on>>1),(on&1)*5);
+               printk(BIOS_DEBUG, "Throttling CPU %2d.%1.1d percent.\n",
+                            (on*12)+(on>>1),(on&1)*5);
        }
 
 #if 0
@@ -226,7 +149,7 @@ static void lpc_init(device_t dev)
                byte |= ( 1 << 7); // Can not mask NMI from PCI-E and NMI_NOW
        }
        if( byte != byte_old) {
-               outb(0x70, byte);
+               outb(byte, 0x70);
        }
 
        /* Initialize the real time clock */
@@ -236,25 +159,35 @@ static void lpc_init(device_t dev)
        isa_dma_init();
 
        /* Initialize the High Precision Event Timers */
-//     enable_hpet(dev);
+       enable_hpet(dev);
 
 }
 
 static void mcp55_lpc_read_resources(device_t dev)
 {
        struct resource *res;
-       unsigned long index;
 
-       /* Get the normal pci resources of this device */
-       pci_dev_read_resources(dev); // We got one for APIC, or one more for TRAP
+       /* Get the normal PCI resources of this device. */
+       /* We got one for APIC, or one more for TRAP. */
+       pci_dev_read_resources(dev);
 
-       /* Add an extra subtractive resource for both memory and I/O */
+       /* Add an extra subtractive resource for both memory and I/O. */
        res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
-       res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+       res->base = 0;
+       res->size = 0x1000;
+       res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+                    IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
 
        res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
-       res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
+       res->base = 0xff800000;
+       res->size = 0x00800000; /* 8 MB for flash */
+       res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+                    IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+       res = new_resource(dev, 3); /* IOAPIC */
+       res->base = IO_APIC_ADDR;
+       res->size = 0x00001000;
+       res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
 }
 
 /**
@@ -262,36 +195,27 @@ static void mcp55_lpc_read_resources(device_t dev)
  *
  * @param dev the device whos children's resources are to be enabled
  *
- * This function is call by the global enable_resources() indirectly via the
- * device_operation::enable_resources() method of devices.
- *
- * Indirect mutual recursion:
- *      enable_childrens_resources() -> enable_resources()
- *      enable_resources() -> device_operation::enable_resources()
- *      device_operation::enable_resources() -> enable_children_resources()
  */
 static void mcp55_lpc_enable_childrens_resources(device_t dev)
 {
-       unsigned link;
        uint32_t reg, reg_var[4];
        int i;
        int var_num = 0;
+       struct bus *link;
 
        reg = pci_read_config32(dev, 0xa0);
 
-       for (link = 0; link < dev->links; link++) {
+       for (link = dev->link_list; link; link = link->next) {
                device_t child;
-               for (child = dev->link[link].children; child; child = child->sibling) {
-                       enable_resources(child);
-                       if(child->have_resources && (child->path.type == DEVICE_PATH_PNP)) {
-                               for(i=0;i<child->resources;i++) {
-                                       struct resource *res;
+               for (child = link->children; child; child = child->sibling) {
+                       if(child->enabled && (child->path.type == DEVICE_PATH_PNP)) {
+                               struct resource *res;
+                               for(res = child->resource_list; res; res = res->next) {
                                        unsigned long base, end; // don't need long long
-                                       res = &child->resource[i];
                                        if(!(res->flags & IORESOURCE_IO)) continue;
                                        base = res->base;
                                        end = resource_end(res);
-                                       printk_debug("mcp55 lpc decode:%s, base=0x%08x, end=0x%08x\n",dev_path(child),base, end);
+                                       printk(BIOS_DEBUG, "mcp55 lpc decode:%s, base=0x%08lx, end=0x%08lx\n",dev_path(child),base, end);
                                        switch(base) {
                                        case 0x3f8: // COM1
                                                reg |= (1<<0);  break;
@@ -348,39 +272,39 @@ static struct device_operations lpc_ops  = {
 //     .enable         = mcp55_enable,
        .ops_pci        = &lops_pci,
 };
-static struct pci_driver lpc_driver __pci_driver = {
+static const struct pci_driver lpc_driver __pci_driver = {
        .ops    = &lpc_ops,
        .vendor = PCI_VENDOR_ID_NVIDIA,
        .device = PCI_DEVICE_ID_NVIDIA_MCP55_LPC,
 };
 
-static struct pci_driver lpc_driver_pro __pci_driver = {
+static const struct pci_driver lpc_driver_pro __pci_driver = {
        .ops    = &lpc_ops,
        .vendor = PCI_VENDOR_ID_NVIDIA,
        .device = PCI_DEVICE_ID_NVIDIA_MCP55_PRO,
 };
 
-static struct pci_driver lpc_driver_lpc2 __pci_driver = {
+static const struct pci_driver lpc_driver_lpc2 __pci_driver = {
        .ops    = &lpc_ops,
        .vendor = PCI_VENDOR_ID_NVIDIA,
        .device = PCI_DEVICE_ID_NVIDIA_MCP55_LPC_2,
 };
-static struct pci_driver lpc_driver_lpc3 __pci_driver = {
+static const struct pci_driver lpc_driver_lpc3 __pci_driver = {
        .ops    = &lpc_ops,
        .vendor = PCI_VENDOR_ID_NVIDIA,
        .device = PCI_DEVICE_ID_NVIDIA_MCP55_LPC_3,
 };
-static struct pci_driver lpc_driver_lpc4 __pci_driver = {
+static const struct pci_driver lpc_driver_lpc4 __pci_driver = {
        .ops    = &lpc_ops,
        .vendor = PCI_VENDOR_ID_NVIDIA,
        .device = PCI_DEVICE_ID_NVIDIA_MCP55_LPC_4,
 };
-static struct pci_driver lpc_driver_lpc5 __pci_driver = {
+static const struct pci_driver lpc_driver_lpc5 __pci_driver = {
        .ops    = &lpc_ops,
        .vendor = PCI_VENDOR_ID_NVIDIA,
        .device = PCI_DEVICE_ID_NVIDIA_MCP55_LPC_5,
 };
-static struct pci_driver lpc_driver_lpc6 __pci_driver = {
+static const struct pci_driver lpc_driver_lpc6 __pci_driver = {
        .ops    = &lpc_ops,
        .vendor = PCI_VENDOR_ID_NVIDIA,
        .device = PCI_DEVICE_ID_NVIDIA_MCP55_LPC_6,
@@ -395,7 +319,7 @@ static struct device_operations lpc_slave_ops  = {
        .ops_pci        = &lops_pci,
 };
 
-static struct pci_driver lpc_driver_slave __pci_driver = {
+static const struct pci_driver lpc_driver_slave __pci_driver = {
        .ops    = &lpc_slave_ops,
        .vendor = PCI_VENDOR_ID_NVIDIA,
        .device = PCI_DEVICE_ID_NVIDIA_MCP55_SLAVE,