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-rw-r--r--kernel/arch/mips/cobalt/setup.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/kernel/arch/mips/cobalt/setup.c b/kernel/arch/mips/cobalt/setup.c
new file mode 100644
index 000000000..9a8c2fe8d
--- /dev/null
+++ b/kernel/arch/mips/cobalt/setup.c
@@ -0,0 +1,123 @@
+/*
+ * 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, 05 by Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv)
+ *
+ */
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <linux/pm.h>
+
+#include <asm/bootinfo.h>
+#include <asm/reboot.h>
+#include <asm/setup.h>
+#include <asm/gt64120.h>
+
+#include <cobalt.h>
+
+extern void cobalt_machine_restart(char *command);
+extern void cobalt_machine_halt(void);
+
+const char *get_system_type(void)
+{
+ switch (cobalt_board_id) {
+ case COBALT_BRD_ID_QUBE1:
+ return "Cobalt Qube";
+ case COBALT_BRD_ID_RAQ1:
+ return "Cobalt RaQ";
+ case COBALT_BRD_ID_QUBE2:
+ return "Cobalt Qube2";
+ case COBALT_BRD_ID_RAQ2:
+ return "Cobalt RaQ2";
+ }
+ return "MIPS Cobalt";
+}
+
+/*
+ * Cobalt doesn't have PS/2 keyboard/mouse interfaces,
+ * keyboard conntroller is never used.
+ * Also PCI-ISA bridge DMA contoroller is never used.
+ */
+static struct resource cobalt_reserved_resources[] = {
+ { /* dma1 */
+ .start = 0x00,
+ .end = 0x1f,
+ .name = "reserved",
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO,
+ },
+ { /* keyboard */
+ .start = 0x60,
+ .end = 0x6f,
+ .name = "reserved",
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO,
+ },
+ { /* dma page reg */
+ .start = 0x80,
+ .end = 0x8f,
+ .name = "reserved",
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO,
+ },
+ { /* dma2 */
+ .start = 0xc0,
+ .end = 0xdf,
+ .name = "reserved",
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO,
+ },
+};
+
+void __init plat_mem_setup(void)
+{
+ int i;
+
+ _machine_restart = cobalt_machine_restart;
+ _machine_halt = cobalt_machine_halt;
+ pm_power_off = cobalt_machine_halt;
+
+ set_io_port_base(CKSEG1ADDR(GT_DEF_PCI0_IO_BASE));
+
+ /* I/O port resource */
+ ioport_resource.end = 0x01ffffff;
+
+ /* These resources have been reserved by VIA SuperI/O chip. */
+ for (i = 0; i < ARRAY_SIZE(cobalt_reserved_resources); i++)
+ request_resource(&ioport_resource, cobalt_reserved_resources + i);
+}
+
+/*
+ * Prom init. We read our one and only communication with the firmware.
+ * Grab the amount of installed memory.
+ * Better boot loaders (CoLo) pass a command line too :-)
+ */
+
+void __init prom_init(void)
+{
+ unsigned long memsz;
+ int argc, i;
+ char **argv;
+
+ memsz = fw_arg0 & 0x7fff0000;
+ argc = fw_arg0 & 0x0000ffff;
+ argv = (char **)fw_arg1;
+
+ for (i = 1; i < argc; i++) {
+ strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
+ if (i < (argc - 1))
+ strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
+ }
+
+ add_memory_region(0x0, memsz, BOOT_MEM_RAM);
+
+ setup_8250_early_printk_port(CKSEG1ADDR(0x1c800000), 0, 0);
+}
+
+void __init prom_free_prom_memory(void)
+{
+ /* Nothing to do! */
+}