v4.19.13 snapshot.
diff --git a/arch/mips/cobalt/Makefile b/arch/mips/cobalt/Makefile
new file mode 100644
index 0000000..68f0c58
--- /dev/null
+++ b/arch/mips/cobalt/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for the Cobalt micro systems family specific parts of the kernel
+#
+
+obj-y := buttons.o irq.o lcd.o led.o mtd.o reset.o rtc.o serial.o setup.o time.o
+
+obj-$(CONFIG_PCI) += pci.o
diff --git a/arch/mips/cobalt/Platform b/arch/mips/cobalt/Platform
new file mode 100644
index 0000000..34123ef
--- /dev/null
+++ b/arch/mips/cobalt/Platform
@@ -0,0 +1,6 @@
+#
+# Cobalt Server
+#
+platform-$(CONFIG_MIPS_COBALT) += cobalt/
+cflags-$(CONFIG_MIPS_COBALT) += -I$(srctree)/arch/mips/include/asm/mach-cobalt
+load-$(CONFIG_MIPS_COBALT) += 0xffffffff80080000
diff --git a/arch/mips/cobalt/buttons.c b/arch/mips/cobalt/buttons.c
new file mode 100644
index 0000000..4eaec8b
--- /dev/null
+++ b/arch/mips/cobalt/buttons.c
@@ -0,0 +1,54 @@
+/*
+ * Cobalt buttons platform device.
+ *
+ * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/platform_device.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+
+static struct resource cobalt_buttons_resource __initdata = {
+ .start = 0x1d000000,
+ .end = 0x1d000003,
+ .flags = IORESOURCE_MEM,
+};
+
+static __init int cobalt_add_buttons(void)
+{
+ struct platform_device *pd;
+ int error;
+
+ pd = platform_device_alloc("Cobalt buttons", -1);
+ if (!pd)
+ return -ENOMEM;
+
+ error = platform_device_add_resources(pd, &cobalt_buttons_resource, 1);
+ if (error)
+ goto err_free_device;
+
+ error = platform_device_add(pd);
+ if (error)
+ goto err_free_device;
+
+ return 0;
+
+ err_free_device:
+ platform_device_put(pd);
+ return error;
+}
+device_initcall(cobalt_add_buttons);
diff --git a/arch/mips/cobalt/irq.c b/arch/mips/cobalt/irq.c
new file mode 100644
index 0000000..965c777
--- /dev/null
+++ b/arch/mips/cobalt/irq.c
@@ -0,0 +1,62 @@
+/*
+ * IRQ vector handles
+ *
+ * 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) 1995, 1996, 1997, 2003 by Ralf Baechle
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+
+#include <asm/i8259.h>
+#include <asm/irq_cpu.h>
+#include <asm/irq_gt641xx.h>
+#include <asm/gt64120.h>
+
+#include <irq.h>
+
+asmlinkage void plat_irq_dispatch(void)
+{
+ unsigned pending = read_c0_status() & read_c0_cause() & ST0_IM;
+ int irq;
+
+ if (pending & CAUSEF_IP2)
+ gt641xx_irq_dispatch();
+ else if (pending & CAUSEF_IP6) {
+ irq = i8259_irq();
+ if (irq < 0)
+ spurious_interrupt();
+ else
+ do_IRQ(irq);
+ } else if (pending & CAUSEF_IP3)
+ do_IRQ(MIPS_CPU_IRQ_BASE + 3);
+ else if (pending & CAUSEF_IP4)
+ do_IRQ(MIPS_CPU_IRQ_BASE + 4);
+ else if (pending & CAUSEF_IP5)
+ do_IRQ(MIPS_CPU_IRQ_BASE + 5);
+ else if (pending & CAUSEF_IP7)
+ do_IRQ(MIPS_CPU_IRQ_BASE + 7);
+ else
+ spurious_interrupt();
+}
+
+static struct irqaction cascade = {
+ .handler = no_action,
+ .name = "cascade",
+ .flags = IRQF_NO_THREAD,
+};
+
+void __init arch_init_irq(void)
+{
+ mips_cpu_irq_init();
+ gt641xx_irq_init();
+ init_i8259_irqs();
+
+ setup_irq(GT641XX_CASCADE_IRQ, &cascade);
+ setup_irq(I8259_CASCADE_IRQ, &cascade);
+}
diff --git a/arch/mips/cobalt/lcd.c b/arch/mips/cobalt/lcd.c
new file mode 100644
index 0000000..0f1cd90
--- /dev/null
+++ b/arch/mips/cobalt/lcd.c
@@ -0,0 +1,55 @@
+/*
+ * Registration of Cobalt LCD platform device.
+ *
+ * Copyright (C) 2008 Yoichi Yuasa <yuasa@linux-mips.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+
+static struct resource cobalt_lcd_resource __initdata = {
+ .start = 0x1f000000,
+ .end = 0x1f00001f,
+ .flags = IORESOURCE_MEM,
+};
+
+static __init int cobalt_lcd_add(void)
+{
+ struct platform_device *pdev;
+ int retval;
+
+ pdev = platform_device_alloc("cobalt-lcd", -1);
+ if (!pdev)
+ return -ENOMEM;
+
+ retval = platform_device_add_resources(pdev, &cobalt_lcd_resource, 1);
+ if (retval)
+ goto err_free_device;
+
+ retval = platform_device_add(pdev);
+ if (retval)
+ goto err_free_device;
+
+ return 0;
+
+err_free_device:
+ platform_device_put(pdev);
+
+ return retval;
+}
+device_initcall(cobalt_lcd_add);
diff --git a/arch/mips/cobalt/led.c b/arch/mips/cobalt/led.c
new file mode 100644
index 0000000..32265f5
--- /dev/null
+++ b/arch/mips/cobalt/led.c
@@ -0,0 +1,62 @@
+/*
+ * Registration of Cobalt LED platform device.
+ *
+ * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+
+#include <cobalt.h>
+
+static struct resource cobalt_led_resource __initdata = {
+ .start = 0x1c000000,
+ .end = 0x1c000000,
+ .flags = IORESOURCE_MEM,
+};
+
+static __init int cobalt_led_add(void)
+{
+ struct platform_device *pdev;
+ int retval;
+
+ if (cobalt_board_id == COBALT_BRD_ID_QUBE1 ||
+ cobalt_board_id == COBALT_BRD_ID_QUBE2)
+ pdev = platform_device_alloc("cobalt-qube-leds", -1);
+ else
+ pdev = platform_device_alloc("cobalt-raq-leds", -1);
+
+ if (!pdev)
+ return -ENOMEM;
+
+ retval = platform_device_add_resources(pdev, &cobalt_led_resource, 1);
+ if (retval)
+ goto err_free_device;
+
+ retval = platform_device_add(pdev);
+ if (retval)
+ goto err_free_device;
+
+ return 0;
+
+err_free_device:
+ platform_device_put(pdev);
+
+ return retval;
+}
+device_initcall(cobalt_led_add);
diff --git a/arch/mips/cobalt/mtd.c b/arch/mips/cobalt/mtd.c
new file mode 100644
index 0000000..83e1b10
--- /dev/null
+++ b/arch/mips/cobalt/mtd.c
@@ -0,0 +1,60 @@
+/*
+ * Registration of Cobalt MTD device.
+ *
+ * Copyright (C) 2006 Yoichi Yuasa <yuasa@linux-mips.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+
+static struct mtd_partition cobalt_mtd_partitions[] = {
+ {
+ .name = "firmware",
+ .offset = 0x0,
+ .size = 0x80000,
+ },
+};
+
+static struct physmap_flash_data cobalt_flash_data = {
+ .width = 1,
+ .nr_parts = 1,
+ .parts = cobalt_mtd_partitions,
+};
+
+static struct resource cobalt_mtd_resource = {
+ .start = 0x1fc00000,
+ .end = 0x1fc7ffff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device cobalt_mtd = {
+ .name = "physmap-flash",
+ .dev = {
+ .platform_data = &cobalt_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &cobalt_mtd_resource,
+};
+
+static int __init cobalt_mtd_init(void)
+{
+ platform_device_register(&cobalt_mtd);
+
+ return 0;
+}
+device_initcall(cobalt_mtd_init);
diff --git a/arch/mips/cobalt/pci.c b/arch/mips/cobalt/pci.c
new file mode 100644
index 0000000..85ec9cc
--- /dev/null
+++ b/arch/mips/cobalt/pci.c
@@ -0,0 +1,48 @@
+/*
+ * Register PCI controller.
+ *
+ * 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/pci.h>
+
+#include <asm/gt64120.h>
+
+extern struct pci_ops gt64xxx_pci0_ops;
+
+static struct resource cobalt_mem_resource = {
+ .start = GT_DEF_PCI0_MEM0_BASE,
+ .end = GT_DEF_PCI0_MEM0_BASE + GT_DEF_PCI0_MEM0_SIZE - 1,
+ .name = "PCI memory",
+ .flags = IORESOURCE_MEM,
+};
+
+static struct resource cobalt_io_resource = {
+ .start = 0x1000,
+ .end = 0xffffffUL,
+ .name = "PCI I/O",
+ .flags = IORESOURCE_IO,
+};
+
+static struct pci_controller cobalt_pci_controller = {
+ .pci_ops = >64xxx_pci0_ops,
+ .mem_resource = &cobalt_mem_resource,
+ .io_resource = &cobalt_io_resource,
+ .io_offset = 0 - GT_DEF_PCI0_IO_BASE,
+ .io_map_base = CKSEG1ADDR(GT_DEF_PCI0_IO_BASE),
+};
+
+static int __init cobalt_pci_init(void)
+{
+ register_pci_controller(&cobalt_pci_controller);
+
+ return 0;
+}
+
+arch_initcall(cobalt_pci_init);
diff --git a/arch/mips/cobalt/reset.c b/arch/mips/cobalt/reset.c
new file mode 100644
index 0000000..4eedd48
--- /dev/null
+++ b/arch/mips/cobalt/reset.c
@@ -0,0 +1,52 @@
+/*
+ * Cobalt Reset operations
+ *
+ * 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) 1995, 1996, 1997 by Ralf Baechle
+ * Copyright (C) 2001 by Liam Davies (ldavies@agile.tv)
+ */
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/leds.h>
+
+#include <asm/idle.h>
+#include <asm/processor.h>
+
+#include <cobalt.h>
+
+#define RESET_PORT ((void __iomem *)CKSEG1ADDR(0x1c000000))
+#define RESET 0x0f
+
+DEFINE_LED_TRIGGER(power_off_led_trigger);
+
+static int __init ledtrig_power_off_init(void)
+{
+ led_trigger_register_simple("power-off", &power_off_led_trigger);
+ return 0;
+}
+device_initcall(ledtrig_power_off_init);
+
+void cobalt_machine_halt(void)
+{
+ /*
+ * turn on power off LED on RaQ
+ */
+ led_trigger_event(power_off_led_trigger, LED_FULL);
+
+ local_irq_disable();
+ while (1) {
+ if (cpu_wait)
+ cpu_wait();
+ }
+}
+
+void cobalt_machine_restart(char *command)
+{
+ writeb(RESET, RESET_PORT);
+
+ /* we should never get here */
+ cobalt_machine_halt();
+}
diff --git a/arch/mips/cobalt/rtc.c b/arch/mips/cobalt/rtc.c
new file mode 100644
index 0000000..a6bc75a
--- /dev/null
+++ b/arch/mips/cobalt/rtc.c
@@ -0,0 +1,64 @@
+/*
+ * Registration of Cobalt RTC platform device.
+ *
+ * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/mc146818rtc.h>
+#include <linux/platform_device.h>
+
+static struct resource cobalt_rtc_resource[] __initdata = {
+ {
+ .start = 0x70,
+ .end = 0x77,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .start = RTC_IRQ,
+ .end = RTC_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static __init int cobalt_rtc_add(void)
+{
+ struct platform_device *pdev;
+ int retval;
+
+ pdev = platform_device_alloc("rtc_cmos", -1);
+ if (!pdev)
+ return -ENOMEM;
+
+ retval = platform_device_add_resources(pdev, cobalt_rtc_resource,
+ ARRAY_SIZE(cobalt_rtc_resource));
+ if (retval)
+ goto err_free_device;
+
+ retval = platform_device_add(pdev);
+ if (retval)
+ goto err_free_device;
+
+ return 0;
+
+err_free_device:
+ platform_device_put(pdev);
+
+ return retval;
+}
+device_initcall(cobalt_rtc_add);
diff --git a/arch/mips/cobalt/serial.c b/arch/mips/cobalt/serial.c
new file mode 100644
index 0000000..7cb51f5
--- /dev/null
+++ b/arch/mips/cobalt/serial.c
@@ -0,0 +1,86 @@
+/*
+ * Registration of Cobalt UART platform device.
+ *
+ * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+
+#include <cobalt.h>
+#include <irq.h>
+
+static struct resource cobalt_uart_resource[] __initdata = {
+ {
+ .start = 0x1c800000,
+ .end = 0x1c800007,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = SERIAL_IRQ,
+ .end = SERIAL_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct plat_serial8250_port cobalt_serial8250_port[] = {
+ {
+ .irq = SERIAL_IRQ,
+ .uartclk = 18432000,
+ .iotype = UPIO_MEM,
+ .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+ .mapbase = 0x1c800000,
+ },
+ {},
+};
+
+static __init int cobalt_uart_add(void)
+{
+ struct platform_device *pdev;
+ int retval;
+
+ /*
+ * Cobalt Qube1 has no UART.
+ */
+ if (cobalt_board_id == COBALT_BRD_ID_QUBE1)
+ return 0;
+
+ pdev = platform_device_alloc("serial8250", -1);
+ if (!pdev)
+ return -ENOMEM;
+
+ pdev->id = PLAT8250_DEV_PLATFORM;
+ pdev->dev.platform_data = cobalt_serial8250_port;
+
+ retval = platform_device_add_resources(pdev, cobalt_uart_resource, ARRAY_SIZE(cobalt_uart_resource));
+ if (retval)
+ goto err_free_device;
+
+ retval = platform_device_add(pdev);
+ if (retval)
+ goto err_free_device;
+
+ return 0;
+
+err_free_device:
+ platform_device_put(pdev);
+
+ return retval;
+}
+device_initcall(cobalt_uart_add);
diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c
new file mode 100644
index 0000000..c136a18
--- /dev/null
+++ b/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 controller is never used.
+ * Also PCI-ISA bridge DMA controller 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! */
+}
diff --git a/arch/mips/cobalt/time.c b/arch/mips/cobalt/time.c
new file mode 100644
index 0000000..3bff3b8
--- /dev/null
+++ b/arch/mips/cobalt/time.c
@@ -0,0 +1,54 @@
+/*
+ * Cobalt time initialization.
+ *
+ * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/i8253.h>
+#include <linux/init.h>
+
+#include <asm/gt64120.h>
+#include <asm/time.h>
+
+#define GT641XX_BASE_CLOCK 50000000 /* 50MHz */
+
+void __init plat_time_init(void)
+{
+ u32 start, end;
+ int i = HZ / 10;
+
+ setup_pit_timer();
+
+ gt641xx_set_base_clock(GT641XX_BASE_CLOCK);
+
+ /*
+ * MIPS counter frequency is measured during a 100msec interval
+ * using GT64111 timer0.
+ */
+ while (!gt641xx_timer0_state())
+ ;
+
+ start = read_c0_count();
+
+ while (i--)
+ while (!gt641xx_timer0_state())
+ ;
+
+ end = read_c0_count();
+
+ mips_hpt_frequency = (end - start) * 10;
+ printk(KERN_INFO "MIPS counter frequency %dHz\n", mips_hpt_frequency);
+}