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Map VGA buffer only during PCI probe

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Also pass physical addresses instead of bus addresses to VGA init.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@648 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Blue Swirl
2009-12-28 10:15:33 +00:00
parent 5e50d351e8
commit 2b5a61fc6c
3 changed files with 18 additions and 22 deletions
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18
arch/sparc64/entry.S
View File

@@ -180,24 +180,6 @@ entry:
bne 1b
add %l2, %g5, %l2
! setup VGA buffer
setx 0x1ff004a0000, %g7, %g4
mov 2, %g6
set 48, %g7
set 0x10000, %g5
1: stxa %g4, [%g7] ASI_DMMU ! vaddr = 0x1ff004a0000, ctx=0
set 0xa0000000, %g3
sllx %g3, 32, %g3
or %g3, 0x76, %g3
or %g4, %g3, %g3
! valid, 64k, locked, cacheable(I/E/C), priv, writable
! paddr = 0x1ff004a0000
stxa %g3, [%g0] ASI_DTLB_DATA_IN
add %g4, %g5, %g4
deccc %g6
bne 1b
nop
#if 1
! setup 0-16M
mov %g0, %g4

14
drivers/pci.c
View File

@@ -322,6 +322,15 @@ static void pci_host_set_ranges(const pci_config_t *config)
set_property(dev, "ranges", (char *)props, ncells * sizeof(props[0]));
}
static unsigned long pci_bus_addr_to_host_addr(uint32_t ba)
{
#ifdef CONFIG_SPARC64
return arch->cfg_data + (unsigned long)ba;
#else
return (unsigned long)ba;
#endif
}
int host_config_cb(const pci_config_t *config)
{
phandle_t aliases;
@@ -547,9 +556,10 @@ int macio_keylargo_config_cb (const pci_config_t *config)
int vga_config_cb (const pci_config_t *config)
{
if (config->assigned[0] != 0x00000000)
vga_vbe_init(config->path, config->assigned[0] & ~0x0000000F,
vga_vbe_init(config->path,
pci_bus_addr_to_host_addr(config->assigned[0] & ~0x0000000F),
config->sizes[0],
config->assigned[1] & ~0x0000000F,
pci_bus_addr_to_host_addr(config->assigned[1] & ~0x0000000F),
config->sizes[1]);
return 0;
}

4
drivers/vga_vbe.c
View File

@@ -25,6 +25,7 @@
#include "asm/io.h"
#include "libc/vsprintf.h"
#include "video_subr.h"
#include "ofmem.h"
/* VGA init. We use the Bochs VESA VBE extensions */
#define VBE_DISPI_INDEX_ID 0x0
@@ -142,6 +143,9 @@ void vga_vbe_init(const char *path, unsigned long fb, uint32_t fb_size,
depth = d;
linebytes = (width * ((depth + 7) / 8));
}
#ifdef CONFIG_SPARC64
ofmem_map_page_range(fb, fb, fb_size, 0x36);
#endif
#endif
vga_vbe_set_mode(width, height, depth);