1 files changed, 150 insertions, 0 deletions
diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c
new file mode 100644
index 0000000..6b4737e
--- /dev/null
+++ b/arch/mips/cobalt/setup.c
@@ -0,0 +1,150 @@
+/*
+ * 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, 1997, 2004 by Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv)
+ *
+ */
+#include <linux/config.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+
+#include <asm/bootinfo.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/processor.h>
+#include <asm/reboot.h>
+#include <asm/gt64120.h>
+
+#include <asm/cobalt/cobalt.h>
+
+extern void cobalt_machine_restart(char *command);
+extern void cobalt_machine_halt(void);
+extern void cobalt_machine_power_off(void);
+
+int cobalt_board_id;
+
+static char my_cmdline[CL_SIZE] = {
+ "console=ttyS0,115200 "
+#ifdef CONFIG_IP_PNP
+ "ip=on "
+#endif
+#ifdef CONFIG_ROOT_NFS
+ "root=/dev/nfs "
+#else
+ "root=/dev/hda1 "
+#endif
+ };
+
+const char *get_system_type(void)
+{
+	return "MIPS Cobalt";
+}
+
+static void __init cobalt_timer_setup(struct irqaction *irq)
+{
+	/* Load timer value for 150 Hz */
+	GALILEO_OUTL(500000, GT_TC0_OFS);
+
+	/* Register our timer interrupt */
+	setup_irq(COBALT_TIMER_IRQ, irq);
+
+	/* Enable timer ints */
+	GALILEO_OUTL((GALILEO_ENTC0 | GALILEO_SELTC0), GT_TC_CONTROL_OFS);
+	/* Unmask timer int */
+	GALILEO_OUTL(0x100, GT_INTRMASK_OFS);
+}
+
+extern struct pci_ops gt64111_pci_ops;
+
+static struct resource cobalt_mem_resource = {
+	"GT64111 PCI MEM", GT64111_IO_BASE, 0xffffffffUL, IORESOURCE_MEM
+};
+
+static struct resource cobalt_io_resource = {
+	"GT64111 IO MEM", 0x00001000UL, 0x0fffffffUL, IORESOURCE_IO
+};
+
+static struct resource cobalt_io_resources[] = {
+	{ "dma1", 0x00, 0x1f, IORESOURCE_BUSY },
+	{ "timer", 0x40, 0x5f, IORESOURCE_BUSY },
+	{ "keyboard", 0x60, 0x6f, IORESOURCE_BUSY },
+	{ "dma page reg", 0x80, 0x8f, IORESOURCE_BUSY },
+	{ "dma2", 0xc0, 0xdf, IORESOURCE_BUSY },
+};
+
+#define COBALT_IO_RESOURCES (sizeof(cobalt_io_resources)/sizeof(struct resource))
+
+static struct pci_controller cobalt_pci_controller = {
+	.pci_ops	= &gt64111_pci_ops,
+	.mem_resource	= &cobalt_mem_resource,
+	.mem_offset	= 0,
+	.io_resource	= &cobalt_io_resource,
+	.io_offset	= 0x00001000UL - GT64111_IO_BASE
+};
+
+static void __init cobalt_setup(void)
+{
+	unsigned int devfn = PCI_DEVFN(COBALT_PCICONF_VIA, 0);
+	int i;
+
+	_machine_restart = cobalt_machine_restart;
+	_machine_halt = cobalt_machine_halt;
+	_machine_power_off = cobalt_machine_power_off;
+
+	board_timer_setup = cobalt_timer_setup;
+
+        set_io_port_base(KSEG1ADDR(GT64111_IO_BASE));
+
+	/*
+	 * This is a prom style console. We just poke at the
+	 *  UART to make it talk.
+	 * Only use this console if you really screw up and can't
+	 *  get to the stage of setting up a real serial console.
+	 */
+	/*ns16550_setup_console();*/
+
+	/* request I/O space for devices used on all i[345]86 PCs */
+	for (i = 0; i < COBALT_IO_RESOURCES; i++)
+		request_resource(&ioport_resource, cobalt_io_resources + i);
+
+        /* Read the cobalt id register out of the PCI config space */
+        PCI_CFG_SET(devfn, (VIA_COBALT_BRD_ID_REG & ~0x3));
+        cobalt_board_id = GALILEO_INL(GT_PCI0_CFGDATA_OFS);
+        cobalt_board_id >>= ((VIA_COBALT_BRD_ID_REG & 3) * 8);
+        cobalt_board_id = VIA_COBALT_BRD_REG_to_ID(cobalt_board_id);
+
+#ifdef CONFIG_PCI
+	register_pci_controller(&cobalt_pci_controller);
+#endif
+}
+
+early_initcall(cobalt_setup);
+
+/*
+ * Prom init. We read our one and only communication with the firmware.
+ * Grab the amount of installed memory
+ */
+
+void __init prom_init(void)
+{
+	int argc = fw_arg0;
+
+	strcpy(arcs_cmdline, my_cmdline);
+
+	mips_machgroup = MACH_GROUP_COBALT;
+
+	add_memory_region(0x0, argc & 0x7fffffff, BOOT_MEM_RAM);
+}
+
+unsigned long __init prom_free_prom_memory(void)
+{
+	/* Nothing to do! */
+	return 0;
+}