* for more details.
*
* Copyright (C) 1996, 97, 98, 2000, 03, 04, 06 Ralf Baechle (ralf@linux-mips.org)
- * Copyright (C) 2006 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
+ * Copyright (C) 2006,2007 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
*/
#include <linux/eisa.h>
#include <linux/init.h>
#include <linux/screen_info.h>
#ifdef CONFIG_ARC
-#include <asm/arc/types.h>
+#include <asm/fw/arc/types.h>
#include <asm/sgialib.h>
#endif
+#ifdef CONFIG_SNIPROM
+#include <asm/mipsprom.h>
+#endif
+
+#include <asm/bootinfo.h>
#include <asm/io.h>
#include <asm/reboot.h>
#include <asm/sni.h>
unsigned int sni_brd_type;
+EXPORT_SYMBOL(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)
#endif
}
+static void __init sni_console_setup(void)
+{
+#ifndef CONFIG_ARC
+ char *ctype;
+ char *cdev;
+ char *baud;
+ int port;
+ static char options[8];
+
+ cdev = prom_getenv("console_dev");
+ if (strncmp(cdev, "tty", 3) == 0) {
+ ctype = prom_getenv("console");
+ switch (*ctype) {
+ default:
+ case 'l':
+ port = 0;
+ baud = prom_getenv("lbaud");
+ break;
+ case 'r':
+ port = 1;
+ baud = prom_getenv("rbaud");
+ break;
+ }
+ if (baud)
+ strcpy(options, baud);
+ if (strncmp(cdev, "tty552", 6) == 0)
+ add_preferred_console("ttyS", port,
+ baud ? options : NULL);
+ else
+ add_preferred_console("ttySC", port,
+ baud ? options : NULL);
+ }
+#endif
+}
+
+#ifdef DEBUG
+static void __init sni_idprom_dump(void)
+{
+ int i;
+
+ pr_debug("SNI IDProm dump:\n");
+ for (i = 0; i < 256; i++) {
+ if (i%16 == 0)
+ pr_debug("%04x ", i);
+
+ printk("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i));
+
+ if (i % 16 == 15)
+ printk("\n");
+ }
+}
+#endif
void __init plat_mem_setup(void)
{
+ int cputype;
+
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;
+ isa_slot_offset = CKSEG1ADDR(0xb0000000);
#ifdef CONFIG_EISA
EISA_bus = 1;
#endif
+ sni_brd_type = *(unsigned char *)SNI_IDPROM_BRDTYPE;
+ cputype = *(unsigned char *)SNI_IDPROM_CPUTYPE;
+ switch (sni_brd_type) {
+ case SNI_BRD_TOWER_OASIC:
+ switch (cputype) {
+ case SNI_CPU_M8030:
+ system_type = "RM400-330";
+ break;
+ case SNI_CPU_M8031:
+ system_type = "RM400-430";
+ break;
+ case SNI_CPU_M8037:
+ system_type = "RM400-530";
+ break;
+ case SNI_CPU_M8034:
+ system_type = "RM400-730";
+ break;
+ default:
+ system_type = "RM400-xxx";
+ break;
+ }
+ break;
+ case SNI_BRD_MINITOWER:
+ switch (cputype) {
+ case SNI_CPU_M8021:
+ case SNI_CPU_M8043:
+ system_type = "RM400-120";
+ break;
+ case SNI_CPU_M8040:
+ system_type = "RM400-220";
+ break;
+ case SNI_CPU_M8053:
+ system_type = "RM400-225";
+ break;
+ case SNI_CPU_M8050:
+ system_type = "RM400-420";
+ break;
+ default:
+ system_type = "RM400-xxx";
+ break;
+ }
+ break;
+ case SNI_BRD_PCI_TOWER:
+ system_type = "RM400-Cxx";
+ break;
+ case SNI_BRD_RM200:
+ system_type = "RM200-xxx";
+ break;
+ case SNI_BRD_PCI_MTOWER:
+ system_type = "RM300-Cxx";
+ break;
+ case SNI_BRD_PCI_DESKTOP:
+ switch (read_c0_prid() & 0xff00) {
+ case PRID_IMP_R4600:
+ case PRID_IMP_R4700:
+ system_type = "RM200-C20";
+ break;
+ case PRID_IMP_R5000:
+ system_type = "RM200-C40";
+ break;
+ default:
+ system_type = "RM200-Cxx";
+ break;
+ }
+ break;
+ case SNI_BRD_PCI_TOWER_CPLUS:
+ system_type = "RM400-Exx";
+ break;
+ case SNI_BRD_PCI_MTOWER_CPLUS:
+ system_type = "RM300-Exx";
+ break;
+ }
+ pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type, system_type);
+
+#ifdef DEBUG
+ sni_idprom_dump();
+#endif
+
switch (sni_brd_type) {
case SNI_BRD_10:
case SNI_BRD_10NEW:
}
_machine_restart = sni_machine_restart;
- _machine_halt = sni_machine_halt;
pm_power_off = sni_machine_power_off;
sni_display_setup();
+ sni_console_setup();
+}
+
+#ifdef 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