22df5bc591
... by setting DRAM config to 2MB (SNI always used that size). This also fixes video dram size detection in cirrusfb. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
125 lines
3 KiB
C
125 lines
3 KiB
C
/*
|
|
* Setup pointers to hardware-dependent routines.
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 1996, 97, 98, 2000, 03, 04, 06 Ralf Baechle (ralf@linux-mips.org)
|
|
* Copyright (C) 2006,2007 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
|
|
*/
|
|
#include <linux/eisa.h>
|
|
#include <linux/init.h>
|
|
#include <linux/console.h>
|
|
#include <linux/fb.h>
|
|
#include <linux/screen_info.h>
|
|
|
|
#ifdef CONFIG_ARC
|
|
#include <asm/arc/types.h>
|
|
#include <asm/sgialib.h>
|
|
#endif
|
|
|
|
#include <asm/io.h>
|
|
#include <asm/reboot.h>
|
|
#include <asm/sni.h>
|
|
|
|
unsigned int sni_brd_type;
|
|
|
|
extern void sni_machine_restart(char *command);
|
|
extern void sni_machine_halt(void);
|
|
extern void sni_machine_power_off(void);
|
|
|
|
static void __init sni_display_setup(void)
|
|
{
|
|
#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_ARC)
|
|
struct screen_info *si = &screen_info;
|
|
DISPLAY_STATUS *di;
|
|
|
|
di = ArcGetDisplayStatus(1);
|
|
|
|
if (di) {
|
|
si->orig_x = di->CursorXPosition;
|
|
si->orig_y = di->CursorYPosition;
|
|
si->orig_video_cols = di->CursorMaxXPosition;
|
|
si->orig_video_lines = di->CursorMaxYPosition;
|
|
si->orig_video_isVGA = VIDEO_TYPE_VGAC;
|
|
si->orig_video_points = 16;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
void __init plat_mem_setup(void)
|
|
{
|
|
set_io_port_base(SNI_PORT_BASE);
|
|
// ioport_resource.end = sni_io_resource.end;
|
|
|
|
/*
|
|
* Setup (E)ISA I/O memory access stuff
|
|
*/
|
|
isa_slot_offset = 0xb0000000;
|
|
#ifdef CONFIG_EISA
|
|
EISA_bus = 1;
|
|
#endif
|
|
|
|
switch (sni_brd_type) {
|
|
case SNI_BRD_10:
|
|
case SNI_BRD_10NEW:
|
|
case SNI_BRD_TOWER_OASIC:
|
|
case SNI_BRD_MINITOWER:
|
|
sni_a20r_init();
|
|
break;
|
|
|
|
case SNI_BRD_PCI_TOWER:
|
|
case SNI_BRD_PCI_TOWER_CPLUS:
|
|
sni_pcit_init();
|
|
break;
|
|
|
|
case SNI_BRD_RM200:
|
|
sni_rm200_init();
|
|
break;
|
|
|
|
case SNI_BRD_PCI_MTOWER:
|
|
case SNI_BRD_PCI_DESKTOP:
|
|
case SNI_BRD_PCI_MTOWER_CPLUS:
|
|
sni_pcimt_init();
|
|
break;
|
|
}
|
|
|
|
_machine_restart = sni_machine_restart;
|
|
_machine_halt = sni_machine_halt;
|
|
pm_power_off = sni_machine_power_off;
|
|
|
|
sni_display_setup();
|
|
}
|
|
|
|
#if CONFIG_PCI
|
|
|
|
#include <linux/pci.h>
|
|
#include <video/vga.h>
|
|
#include <video/cirrus.h>
|
|
|
|
static void __devinit quirk_cirrus_ram_size(struct pci_dev *dev)
|
|
{
|
|
u16 cmd;
|
|
|
|
/*
|
|
* firmware doesn't set the ram size correct, so we
|
|
* need to do it here, otherwise we get screen corruption
|
|
* on older Cirrus chips
|
|
*/
|
|
pci_read_config_word (dev, PCI_COMMAND, &cmd);
|
|
if ((cmd & (PCI_COMMAND_IO|PCI_COMMAND_MEMORY))
|
|
== (PCI_COMMAND_IO|PCI_COMMAND_MEMORY)) {
|
|
vga_wseq (NULL, CL_SEQR6, 0x12); /* unlock all extension registers */
|
|
vga_wseq (NULL, CL_SEQRF, 0x18);
|
|
}
|
|
}
|
|
|
|
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5434_8,
|
|
quirk_cirrus_ram_size);
|
|
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5436,
|
|
quirk_cirrus_ram_size);
|
|
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446,
|
|
quirk_cirrus_ram_size);
|
|
#endif
|