2 * Setup pointers to hardware-dependent routines.
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
8 * Copyright (C) 1996, 97, 98, 2000, 03, 04, 06 Ralf Baechle (ralf@linux-mips.org)
9 * Copyright (C) 2006,2007 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
11 #include <linux/eisa.h>
12 #include <linux/init.h>
13 #include <linux/export.h>
14 #include <linux/console.h>
16 #include <linux/screen_info.h>
19 #include <asm/fw/arc/types.h>
20 #include <asm/sgialib.h>
23 #ifdef CONFIG_FW_SNIPROM
24 #include <asm/mipsprom.h>
27 #include <asm/bootinfo.h>
30 #include <asm/reboot.h>
33 unsigned int sni_brd_type;
34 EXPORT_SYMBOL(sni_brd_type);
36 extern void sni_machine_restart(char *command);
37 extern void sni_machine_power_off(void);
39 static void __init sni_display_setup(void)
41 #if defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_FW_ARC)
42 static struct screen_info si;
45 di = ArcGetDisplayStatus(1);
48 si.orig_x = di->CursorXPosition;
49 si.orig_y = di->CursorYPosition;
50 si.orig_video_cols = di->CursorMaxXPosition;
51 si.orig_video_lines = di->CursorMaxYPosition;
52 si.orig_video_isVGA = VIDEO_TYPE_VGAC;
53 si.orig_video_points = 16;
55 vgacon_register_screen(&si);
60 static void __init sni_console_setup(void)
67 static char options[8] __initdata;
69 cdev = prom_getenv("console_dev");
70 if (strncmp(cdev, "tty", 3) == 0) {
71 ctype = prom_getenv("console");
76 baud = prom_getenv("lbaud");
80 baud = prom_getenv("rbaud");
84 strcpy(options, baud);
85 if (strncmp(cdev, "tty552", 6) == 0)
86 add_preferred_console("ttyS", port,
87 baud ? options : NULL);
89 add_preferred_console("ttySC", port,
90 baud ? options : NULL);
96 static void __init sni_idprom_dump(void)
100 pr_debug("SNI IDProm dump:\n");
101 for (i = 0; i < 256; i++) {
103 pr_debug("%04x ", i);
105 printk("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i));
113 void __init plat_mem_setup(void)
117 set_io_port_base(SNI_PORT_BASE);
118 // ioport_resource.end = sni_io_resource.end;
121 * Setup (E)ISA I/O memory access stuff
127 sni_brd_type = *(unsigned char *)SNI_IDPROM_BRDTYPE;
128 cputype = *(unsigned char *)SNI_IDPROM_CPUTYPE;
129 switch (sni_brd_type) {
130 case SNI_BRD_TOWER_OASIC:
133 system_type = "RM400-330";
136 system_type = "RM400-430";
139 system_type = "RM400-530";
142 system_type = "RM400-730";
145 system_type = "RM400-xxx";
149 case SNI_BRD_MINITOWER:
153 system_type = "RM400-120";
156 system_type = "RM400-220";
159 system_type = "RM400-225";
162 system_type = "RM400-420";
165 system_type = "RM400-xxx";
169 case SNI_BRD_PCI_TOWER:
170 system_type = "RM400-Cxx";
173 system_type = "RM200-xxx";
175 case SNI_BRD_PCI_MTOWER:
176 system_type = "RM300-Cxx";
178 case SNI_BRD_PCI_DESKTOP:
179 switch (read_c0_prid() & PRID_IMP_MASK) {
182 system_type = "RM200-C20";
185 system_type = "RM200-C40";
188 system_type = "RM200-Cxx";
192 case SNI_BRD_PCI_TOWER_CPLUS:
193 system_type = "RM400-Exx";
195 case SNI_BRD_PCI_MTOWER_CPLUS:
196 system_type = "RM300-Exx";
199 pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type, system_type);
205 switch (sni_brd_type) {
208 case SNI_BRD_TOWER_OASIC:
209 case SNI_BRD_MINITOWER:
213 case SNI_BRD_PCI_TOWER:
214 case SNI_BRD_PCI_TOWER_CPLUS:
222 case SNI_BRD_PCI_MTOWER:
223 case SNI_BRD_PCI_DESKTOP:
224 case SNI_BRD_PCI_MTOWER_CPLUS:
229 _machine_restart = sni_machine_restart;
230 pm_power_off = sni_machine_power_off;
238 #include <linux/pci.h>
239 #include <video/vga.h>
240 #include <video/cirrus.h>
242 static void quirk_cirrus_ram_size(struct pci_dev *dev)
247 * firmware doesn't set the ram size correct, so we
248 * need to do it here, otherwise we get screen corruption
249 * on older Cirrus chips
251 pci_read_config_word(dev, PCI_COMMAND, &cmd);
252 if ((cmd & (PCI_COMMAND_IO|PCI_COMMAND_MEMORY))
253 == (PCI_COMMAND_IO|PCI_COMMAND_MEMORY)) {
254 vga_wseq(NULL, CL_SEQR6, 0x12); /* unlock all extension registers */
255 vga_wseq(NULL, CL_SEQRF, 0x18);
259 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5434_8,
260 quirk_cirrus_ram_size);
261 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5436,
262 quirk_cirrus_ram_size);
263 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446,
264 quirk_cirrus_ram_size);