ARM: 6283/1: Remove useless PCIO_BASE definitions

[pandora-kernel.git] / arch / alpha / kernel / console.c

diff --git a/arch/alpha/kernel/console.c b/arch/alpha/kernel/console.c
index f313b34..da711e3 100644 (file)
--- a/arch/alpha/kernel/console.c
+++ b/arch/alpha/kernel/console.c
@@ -9,16 +9,20 @@
 #include <linux/init.h>
 #include <linux/tty.h>
 #include <linux/console.h>
+#include <linux/vt.h>
 #include <asm/vga.h>
 #include <asm/machvec.h>
 
+#include "pci_impl.h"
+
 #ifdef CONFIG_VGA_HOSE
 
-/*
- * Externally-visible vga hose bases
- */
-unsigned long __vga_hose_io_base = 0;  /* base for default hose */
-unsigned long __vga_hose_mem_base = 0; /* base for default hose */
+struct pci_controller *pci_vga_hose;
+static struct resource alpha_vga = {
+       .name   = "alpha-vga+",
+       .start  = 0x3C0,
+       .end    = 0x3DF
+};
 
 static struct pci_controller * __init 
 default_vga_hose_select(struct pci_controller *h1, struct pci_controller *h2)
@@ -29,37 +33,59 @@ default_vga_hose_select(struct pci_controller *h1, struct pci_controller *h2)
        return h1;
 }
 
-void __init 
-set_vga_hose(struct pci_controller *hose)
-{
-       if (hose) {
-               __vga_hose_io_base = hose->io_space->start;
-               __vga_hose_mem_base = hose->mem_space->start;
-       }
-}
-
 void __init 
 locate_and_init_vga(void *(*sel_func)(void *, void *))
 {
        struct pci_controller *hose = NULL;
        struct pci_dev *dev = NULL;
 
+       /* Default the select function */
        if (!sel_func) sel_func = (void *)default_vga_hose_select;
 
+       /* Find the console VGA device */
        for(dev=NULL; (dev=pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, dev));) {
-               if (!hose) hose = dev->sysdata;
-               else hose = sel_func(hose, dev->sysdata);
+               if (!hose)
+                       hose = dev->sysdata;
+               else
+                       hose = sel_func(hose, dev->sysdata);
        }
 
-       /* Did we already inititialize the correct one? */
-       if (conswitchp == &vga_con &&
-           __vga_hose_io_base == hose->io_space->start &&
-           __vga_hose_mem_base == hose->mem_space->start)
+       /* Did we already initialize the correct one? Is there one? */
+       if (!hose || (conswitchp == &vga_con && pci_vga_hose == hose))
                return;
 
-       /* Set the VGA hose and init the new console */
-       set_vga_hose(hose);
+       /* Create a new VGA ioport resource WRT the hose it is on. */
+       alpha_vga.start += hose->io_space->start;
+       alpha_vga.end += hose->io_space->start;
+       request_resource(hose->io_space, &alpha_vga);
+
+       /* Set the VGA hose and init the new console. */
+       pci_vga_hose = hose;
        take_over_console(&vga_con, 0, MAX_NR_CONSOLES-1, 1);
 }
 
+void __init
+find_console_vga_hose(void)
+{
+       u64 *pu64 = (u64 *)((u64)hwrpb + hwrpb->ctbt_offset);
+
+       if (pu64[7] == 3) {     /* TERM_TYPE == graphics */
+               struct pci_controller *hose;
+               int h = (pu64[30] >> 24) & 0xff;        /* console hose # */
+
+               /*
+                * Our hose numbering DOES match the console's, so find
+                * the right one...
+                */
+               for (hose = hose_head; hose; hose = hose->next) {
+                       if (hose->index == h) break;
+               }
+
+               if (hose) {
+                       printk("Console graphics on hose %d\n", h);
+                       pci_vga_hose = hose;
+               }
+       }
+}
+
 #endif