[MIPS] MIPSsim: Move code away from the other MIPS Inc. BSP code.

It shares no code at all.  While at it also fix up the beginning bitrot.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

8 files changed, 0 insertions, 664 deletions

diff --git a/arch/mips/mips-boards/sim/Makefile b/arch/mips/mips-boards/sim/Makefile
deleted file mode 100644
index dc0bfda1142..00000000000
--- a/arch/mips/mips-boards/sim/Makefile
+++ /dev/null
@@ -1,24 +0,0 @@
-#
-# Copyright (C) 2005 MIPS Technologies, Inc.  All rights reserved.
-# Copyright (C) 2007 MIPS Technologies, Inc.
-#   written by Ralf Baechle (ralf@linux-mips.org)
-#
-# This program is free software; you can distribute it and/or modify it
-# under the terms of the GNU General Public License (Version 2) as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope 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.,
-# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
-#
-
-obj-y := sim_platform.o sim_setup.o sim_mem.o sim_time.o sim_int.o \
-	 sim_cmdline.o
-
-obj-$(CONFIG_EARLY_PRINTK) += sim_console.o
-obj-$(CONFIG_SMP) += sim_smp.o
diff --git a/arch/mips/mips-boards/sim/sim_cmdline.c b/arch/mips/mips-boards/sim/sim_cmdline.c
deleted file mode 100644
index c63021a5dc6..00000000000
--- a/arch/mips/mips-boards/sim/sim_cmdline.c
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2005 MIPS Technologies, Inc.  All rights reserved.
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope 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.,
- *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- */
-#include <linux/init.h>
-#include <linux/string.h>
-#include <asm/bootinfo.h>
-
-extern char arcs_cmdline[];
-
-char * __init prom_getcmdline(void)
-{
-	return arcs_cmdline;
-}
-
-void  __init prom_init_cmdline(void)
-{
-	char *cp;
-	cp = arcs_cmdline;
-	/* Get boot line from environment? */
-	*cp = '\0';
-}
diff --git a/arch/mips/mips-boards/sim/sim_console.c b/arch/mips/mips-boards/sim/sim_console.c
deleted file mode 100644
index de595a9ccb2..00000000000
--- a/arch/mips/mips-boards/sim/sim_console.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope 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.,
- *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
- * Copyright (C) 2007 MIPS Technologies, Inc.
- *   written by Ralf Baechle
- */
-#include <linux/init.h>
-#include <linux/serial_reg.h>
-#include <asm/io.h>
-
-static inline unsigned int serial_in(int offset)
-{
-	return inb(0x3f8 + offset);
-}
-
-static inline void serial_out(int offset, int value)
-{
-	outb(value, 0x3f8 + offset);
-}
-
-void __init prom_putchar(char c)
-{
-	while ((serial_in(UART_LSR) & UART_LSR_THRE) == 0)
-		;
-
-	serial_out(UART_TX, c);
-}
diff --git a/arch/mips/mips-boards/sim/sim_mem.c b/arch/mips/mips-boards/sim/sim_mem.c
deleted file mode 100644
index e408ef0bcd6..00000000000
--- a/arch/mips/mips-boards/sim/sim_mem.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (C) 2005 MIPS Technologies, Inc.  All rights reserved.
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope 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.,
- *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- */
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-#include <linux/pfn.h>
-
-#include <asm/bootinfo.h>
-#include <asm/page.h>
-#include <asm/sections.h>
-
-#include <asm/mips-boards/prom.h>
-
-/*#define DEBUG*/
-
-enum simmem_memtypes {
-	simmem_reserved = 0,
-	simmem_free,
-};
-struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS];
-
-#ifdef DEBUG
-static char *mtypes[3] = {
-	"SIM reserved memory",
-	"SIM free memory",
-};
-#endif
-
-struct prom_pmemblock * __init prom_getmdesc(void)
-{
-	unsigned int memsize;
-
-	memsize = 0x02000000;
-	pr_info("Setting default memory size 0x%08x\n", memsize);
-
-	memset(mdesc, 0, sizeof(mdesc));
-
-	mdesc[0].type = simmem_reserved;
-	mdesc[0].base = 0x00000000;
-	mdesc[0].size = 0x00001000;
-
-	mdesc[1].type = simmem_free;
-	mdesc[1].base = 0x00001000;
-	mdesc[1].size = 0x000ff000;
-
-	mdesc[2].type = simmem_reserved;
-	mdesc[2].base = 0x00100000;
-	mdesc[2].size = CPHYSADDR(PFN_ALIGN(&_end)) - mdesc[2].base;
-
-	mdesc[3].type = simmem_free;
-	mdesc[3].base = CPHYSADDR(PFN_ALIGN(&_end));
-	mdesc[3].size = memsize - mdesc[3].base;
-
-	return &mdesc[0];
-}
-
-static int __init prom_memtype_classify (unsigned int type)
-{
-	switch (type) {
-	case simmem_free:
-		return BOOT_MEM_RAM;
-	case simmem_reserved:
-	default:
-		return BOOT_MEM_RESERVED;
-	}
-}
-
-void __init prom_meminit(void)
-{
-	struct prom_pmemblock *p;
-
-	p = prom_getmdesc();
-
-	while (p->size) {
-		long type;
-		unsigned long base, size;
-
-		type = prom_memtype_classify (p->type);
-		base = p->base;
-		size = p->size;
-
-		add_memory_region(base, size, type);
-                p++;
-	}
-}
-
-void __init prom_free_prom_memory(void)
-{
-	int i;
-	unsigned long addr;
-
-	for (i = 0; i < boot_mem_map.nr_map; i++) {
-		if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA)
-			continue;
-
-		addr = boot_mem_map.map[i].addr;
-		free_init_pages("prom memory",
-				addr, addr + boot_mem_map.map[i].size);
-	}
-}
diff --git a/arch/mips/mips-boards/sim/sim_platform.c b/arch/mips/mips-boards/sim/sim_platform.c
deleted file mode 100644
index 53210a8c5de..00000000000
--- a/arch/mips/mips-boards/sim/sim_platform.c
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * 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) 2007 by Ralf Baechle (ralf@linux-mips.org)
- */
-#include <linux/init.h>
-#include <linux/if_ether.h>
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-
-static char mipsnet_string[] = "mipsnet";
-
-static struct platform_device eth1_device = {
-	.name		= mipsnet_string,
-	.id		= 0,
-};
-
-/*
- * Create a platform device for the GPI port that receives the
- * image data from the embedded camera.
- */
-static int __init mipsnet_devinit(void)
-{
-	int err;
-
-	err = platform_device_register(&eth1_device);
-	if (err)
-		printk(KERN_ERR "%s: registration failed\n", mipsnet_string);
-
-	return err;
-}
-
-device_initcall(mipsnet_devinit);
diff --git a/arch/mips/mips-boards/sim/sim_setup.c b/arch/mips/mips-boards/sim/sim_setup.c
deleted file mode 100644
index b705f09e57c..00000000000
--- a/arch/mips/mips-boards/sim/sim_setup.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright (C) 2005 MIPS Technologies, Inc.  All rights reserved.
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope 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.,
- *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- */
-
-#include <linux/init.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/ioport.h>
-#include <linux/tty.h>
-#include <linux/serial.h>
-#include <linux/serial_core.h>
-
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/mips-boards/generic.h>
-#include <asm/mips-boards/prom.h>
-#include <asm/serial.h>
-#include <asm/io.h>
-#include <asm/time.h>
-#include <asm/mips-boards/sim.h>
-#include <asm/mips-boards/simint.h>
-
-
-extern void sim_time_init(void);
-static void __init serial_init(void);
-unsigned int _isbonito = 0;
-
-extern void __init sanitize_tlb_entries(void);
-
-
-const char *get_system_type(void)
-{
-	return "MIPSsim";
-}
-
-void __init plat_mem_setup(void)
-{
-	set_io_port_base(0xbfd00000);
-
-	serial_init();
-
-	board_time_init = sim_time_init;
-	pr_info("Linux started...\n");
-
-#ifdef CONFIG_MIPS_MT_SMP
-	sanitize_tlb_entries();
-#endif
-}
-
-void prom_init(void)
-{
-	set_io_port_base(0xbfd00000);
-
-	pr_info("\nLINUX started...\n");
-	prom_init_cmdline();
-	prom_meminit();
-}
-
-
-static void __init serial_init(void)
-{
-#ifdef CONFIG_SERIAL_8250
-	struct uart_port s;
-
-	memset(&s, 0, sizeof(s));
-
-	s.iobase = 0x3f8;
-
-	/* hardware int 4 - the serial int, is CPU int 6
-	 but poll for now */
-	s.irq =  0;
-	s.uartclk = BASE_BAUD * 16;
-	s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
-	s.iotype = UPIO_PORT;
-	s.regshift = 0;
-	s.timeout = 4;
-
-	if (early_serial_setup(&s) != 0) {
-		printk(KERN_ERR "Serial setup failed!\n");
-	}
-
-#endif
-}
diff --git a/arch/mips/mips-boards/sim/sim_smp.c b/arch/mips/mips-boards/sim/sim_smp.c
deleted file mode 100644
index cb47863ecf1..00000000000
--- a/arch/mips/mips-boards/sim/sim_smp.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (C) 2005 MIPS Technologies, Inc.  All rights reserved.
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope 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.,
- *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- */
-/*
- * Simulator Platform-specific hooks for SMP operation
- */
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/cpumask.h>
-#include <linux/interrupt.h>
-#include <asm/atomic.h>
-#include <asm/cpu.h>
-#include <asm/processor.h>
-#include <asm/system.h>
-#include <asm/hardirq.h>
-#include <asm/mmu_context.h>
-#include <asm/smp.h>
-#ifdef CONFIG_MIPS_MT_SMTC
-#include <asm/smtc_ipi.h>
-#endif /* CONFIG_MIPS_MT_SMTC */
-
-/* VPE/SMP Prototype implements platform interfaces directly */
-#if !defined(CONFIG_MIPS_MT_SMP)
-
-/*
- * Cause the specified action to be performed on a targeted "CPU"
- */
-
-void core_send_ipi(int cpu, unsigned int action)
-{
-#ifdef CONFIG_MIPS_MT_SMTC
-	smtc_send_ipi(cpu, LINUX_SMP_IPI, action);
-#endif /* CONFIG_MIPS_MT_SMTC */
-/* "CPU" may be TC of same VPE, VPE of same CPU, or different CPU */
-
-}
-
-/*
- * Platform "CPU" startup hook
- */
-
-void prom_boot_secondary(int cpu, struct task_struct *idle)
-{
-#ifdef CONFIG_MIPS_MT_SMTC
-	smtc_boot_secondary(cpu, idle);
-#endif /* CONFIG_MIPS_MT_SMTC */
-}
-
-/*
- * Post-config but pre-boot cleanup entry point
- */
-
-void prom_init_secondary(void)
-{
-#ifdef CONFIG_MIPS_MT_SMTC
-	void smtc_init_secondary(void);
-
-	smtc_init_secondary();
-#endif /* CONFIG_MIPS_MT_SMTC */
-}
-
-/*
- * Platform SMP pre-initialization
- */
-
-void prom_prepare_cpus(unsigned int max_cpus)
-{
-#ifdef CONFIG_MIPS_MT_SMTC
-	/*
-	 * As noted above, we can assume a single CPU for now
-	 * but it may be multithreaded.
-	 */
-
-	if (read_c0_config3() & (1<<2)) {
-		mipsmt_prepare_cpus(max_cpus);
-	}
-#endif /* CONFIG_MIPS_MT_SMTC */
-}
-
-/*
- * SMP initialization finalization entry point
- */
-
-void prom_smp_finish(void)
-{
-#ifdef CONFIG_MIPS_MT_SMTC
-	smtc_smp_finish();
-#endif /* CONFIG_MIPS_MT_SMTC */
-}
-
-/*
- * Hook for after all CPUs are online
- */
-
-void prom_cpus_done(void)
-{
-#ifdef CONFIG_MIPS_MT_SMTC
-
-#endif /* CONFIG_MIPS_MT_SMTC */
-}
-#endif /* CONFIG_MIPS32R2_MT_SMP */
diff --git a/arch/mips/mips-boards/sim/sim_time.c b/arch/mips/mips-boards/sim/sim_time.c
deleted file mode 100644
index 7224ffe31d3..00000000000
--- a/arch/mips/mips-boards/sim/sim_time.c
+++ /dev/null
@@ -1,202 +0,0 @@
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/sched.h>
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
-#include <linux/mc146818rtc.h>
-#include <linux/timex.h>
-
-#include <asm/mipsregs.h>
-#include <asm/ptrace.h>
-#include <asm/hardirq.h>
-#include <asm/div64.h>
-#include <asm/cpu.h>
-#include <asm/time.h>
-#include <asm/irq.h>
-#include <asm/mc146818-time.h>
-#include <asm/msc01_ic.h>
-#include <asm/smp.h>
-
-#include <asm/mips-boards/generic.h>
-#include <asm/mips-boards/prom.h>
-#include <asm/mips-boards/simint.h>
-
-
-unsigned long cpu_khz;
-
-irqreturn_t sim_timer_interrupt(int irq, void *dev_id)
-{
-#ifdef CONFIG_SMP
-	int cpu = smp_processor_id();
-
-	/*
-	 * CPU 0 handles the global timer interrupt job
-	 * resets count/compare registers to trigger next timer int.
-	 */
-#ifndef CONFIG_MIPS_MT_SMTC
-	if (cpu == 0) {
-		timer_interrupt(irq, dev_id);
-	}
-	else {
-		/* Everyone else needs to reset the timer int here as
-		   ll_local_timer_interrupt doesn't */
-		/*
-		 * FIXME: need to cope with counter underflow.
-		 * More support needs to be added to kernel/time for
-		 * counter/timer interrupts on multiple CPU's
-		 */
-		write_c0_compare (read_c0_count() + ( mips_hpt_frequency/HZ));
-	}
-#else /* SMTC */
-	/*
-	 *  In SMTC system, one Count/Compare set exists per VPE.
-	 *  Which TC within a VPE gets the interrupt is essentially
-	 *  random - we only know that it shouldn't be one with
-	 *  IXMT set. Whichever TC gets the interrupt needs to
-	 *  send special interprocessor interrupts to the other
-	 *  TCs to make sure that they schedule, etc.
-	 *
-	 *  That code is specific to the SMTC kernel, not to
-	 *  the simulation platform, so it's invoked from
-	 *  the general MIPS timer_interrupt routine.
-	 *
-	 * We have a problem in that the interrupt vector code
-	 * had to turn off the timer IM bit to avoid redundant
-	 * entries, but we may never get to mips_cpu_irq_end
-	 * to turn it back on again if the scheduler gets
-	 * involved.  So we clear the pending timer here,
-	 * and re-enable the mask...
-	 */
-
-	int vpflags = dvpe();
-	write_c0_compare (read_c0_count() - 1);
-	clear_c0_cause(0x100 << cp0_compare_irq);
-	set_c0_status(0x100 << cp0_compare_irq);
-	irq_enable_hazard();
-	evpe(vpflags);
-
-	if(cpu_data[cpu].vpe_id == 0) timer_interrupt(irq, dev_id);
-	else write_c0_compare (read_c0_count() + ( mips_hpt_frequency/HZ));
-	smtc_timer_broadcast(cpu_data[cpu].vpe_id);
-
-#endif /* CONFIG_MIPS_MT_SMTC */
-
-	/*
-	 * every CPU should do profiling and process accounting
-	 */
- 	local_timer_interrupt (irq, dev_id);
-	return IRQ_HANDLED;
-#else
-	return timer_interrupt (irq, dev_id);
-#endif
-}
-
-
-
-/*
- * Estimate CPU frequency.  Sets mips_hpt_frequency as a side-effect
- */
-static unsigned int __init estimate_cpu_frequency(void)
-{
-	unsigned int prid = read_c0_prid() & 0xffff00;
-	unsigned int count;
-
-#if 1
-	/*
-	 * hardwire the board frequency to 12MHz.
-	 */
-
-	if ((prid == (PRID_COMP_MIPS | PRID_IMP_20KC)) ||
-	    (prid == (PRID_COMP_MIPS | PRID_IMP_25KF)))
-		count = 12000000;
-	else
-		count =  6000000;
-#else
-	unsigned int flags;
-
-	local_irq_save(flags);
-
-	/* Start counter exactly on falling edge of update flag */
-	while (CMOS_READ(RTC_REG_A) & RTC_UIP);
-	while (!(CMOS_READ(RTC_REG_A) & RTC_UIP));
-
-	/* Start r4k counter. */
-	write_c0_count(0);
-
-	/* Read counter exactly on falling edge of update flag */
-	while (CMOS_READ(RTC_REG_A) & RTC_UIP);
-	while (!(CMOS_READ(RTC_REG_A) & RTC_UIP));
-
-	count = read_c0_count();
-
-	/* restore interrupts */
-	local_irq_restore(flags);
-#endif
-
-	mips_hpt_frequency = count;
-
-	if ((prid != (PRID_COMP_MIPS | PRID_IMP_20KC)) &&
-	    (prid != (PRID_COMP_MIPS | PRID_IMP_25KF)))
-		count *= 2;
-
-	count += 5000;    /* round */
-	count -= count%10000;
-
-	return count;
-}
-
-void __init sim_time_init(void)
-{
-	unsigned int est_freq, flags;
-
-	local_irq_save(flags);
-
-
-        /* Set Data mode - binary. */
-	CMOS_WRITE(CMOS_READ(RTC_CONTROL) | RTC_DM_BINARY, RTC_CONTROL);
-
-
-	est_freq = estimate_cpu_frequency ();
-
-	printk("CPU frequency %d.%02d MHz\n", est_freq/1000000,
-	       (est_freq%1000000)*100/1000000);
-
-        cpu_khz = est_freq / 1000;
-
-	local_irq_restore(flags);
-}
-
-static int mips_cpu_timer_irq;
-
-static void mips_timer_dispatch(void)
-{
-	do_IRQ(mips_cpu_timer_irq);
-}
-
-
-void __init plat_timer_setup(struct irqaction *irq)
-{
-	if (cpu_has_veic) {
-		set_vi_handler(MSC01E_INT_CPUCTR, mips_timer_dispatch);
-		mips_cpu_timer_irq = MSC01E_INT_BASE + MSC01E_INT_CPUCTR;
-	}
-	else {
-		if (cpu_has_vint)
-			set_vi_handler(cp0_compare_irq, mips_timer_dispatch);
-		mips_cpu_timer_irq = MIPS_CPU_IRQ_BASE + cp0_compare_irq;
-	}
-
-	/* we are using the cpu counter for timer interrupts */
-	irq->handler = sim_timer_interrupt;
-	setup_irq(mips_cpu_timer_irq, irq);
-
-#ifdef CONFIG_SMP
-	/* irq_desc(riptor) is a global resource, when the interrupt overlaps
-	   on seperate cpu's the first one tries to handle the second interrupt.
-	   The effect is that the int remains disabled on the second cpu.
-	   Mark the interrupt with IRQ_PER_CPU to avoid any confusion */
-	irq_desc[mips_cpu_timer_irq].flags |= IRQ_PER_CPU;
-	set_irq_handler(mips_cpu_timer_irq, handle_percpu_irq);
-#endif
-}