summaryrefslogtreecommitdiffstats
path: root/arch/m68k/kernel/setup_no.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/m68k/kernel/setup_no.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/m68k/kernel/setup_no.c')
-rw-r--r--arch/m68k/kernel/setup_no.c222
1 files changed, 222 insertions, 0 deletions
diff --git a/arch/m68k/kernel/setup_no.c b/arch/m68k/kernel/setup_no.c
new file mode 100644
index 000000000..cb6def585
--- /dev/null
+++ b/arch/m68k/kernel/setup_no.c
@@ -0,0 +1,222 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * linux/arch/m68knommu/kernel/setup.c
+ *
+ * Copyright (C) 1999-2007 Greg Ungerer (gerg@snapgear.com)
+ * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@uClinux.org>
+ * Copyleft ()) 2000 James D. Schettine {james@telos-systems.com}
+ * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
+ * Copyright (C) 1995 Hamish Macdonald
+ * Copyright (C) 2000 Lineo Inc. (www.lineo.com)
+ * Copyright (C) 2001 Lineo, Inc. <www.lineo.com>
+ *
+ * 68VZ328 Fixes/support Evan Stawnyczy <e@lineo.ca>
+ */
+
+/*
+ * This file handles the architecture-dependent parts of system setup
+ */
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/fb.h>
+#include <linux/module.h>
+#include <linux/mm.h>
+#include <linux/console.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/memblock.h>
+#include <linux/seq_file.h>
+#include <linux/init.h>
+#include <linux/initrd.h>
+#include <linux/root_dev.h>
+#include <linux/rtc.h>
+
+#include <asm/setup.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/machdep.h>
+#include <asm/sections.h>
+
+unsigned long memory_start;
+unsigned long memory_end;
+
+EXPORT_SYMBOL(memory_start);
+EXPORT_SYMBOL(memory_end);
+
+char __initdata command_line[COMMAND_LINE_SIZE];
+
+/* machine dependent timer functions */
+void (*mach_sched_init)(void) __initdata = NULL;
+
+/* machine dependent reboot functions */
+void (*mach_reset)(void);
+void (*mach_halt)(void);
+
+#ifdef CONFIG_M68000
+#if defined(CONFIG_M68328)
+#define CPU_NAME "MC68328"
+#elif defined(CONFIG_M68EZ328)
+#define CPU_NAME "MC68EZ328"
+#elif defined(CONFIG_M68VZ328)
+#define CPU_NAME "MC68VZ328"
+#else
+#define CPU_NAME "MC68000"
+#endif
+#endif /* CONFIG_M68000 */
+#ifndef CPU_NAME
+#define CPU_NAME "UNKNOWN"
+#endif
+
+/*
+ * Different cores have different instruction execution timings.
+ * The old/traditional 68000 cores are basically all the same, at 16.
+ * The ColdFire cores vary a little, their values are defined in their
+ * headers. We default to the standard 68000 value here.
+ */
+#ifndef CPU_INSTR_PER_JIFFY
+#define CPU_INSTR_PER_JIFFY 16
+#endif
+
+void __init setup_arch(char **cmdline_p)
+{
+ memory_start = PAGE_ALIGN(_ramstart);
+ memory_end = _ramend;
+
+ setup_initial_init_mm(_stext, _etext, _edata, NULL);
+
+ config_BSP(&command_line[0], sizeof(command_line));
+
+#if defined(CONFIG_BOOTPARAM)
+ strncpy(&command_line[0], CONFIG_BOOTPARAM_STRING, sizeof(command_line));
+ command_line[sizeof(command_line) - 1] = 0;
+#endif /* CONFIG_BOOTPARAM */
+
+ process_uboot_commandline(&command_line[0], sizeof(command_line));
+
+ pr_info("uClinux with CPU " CPU_NAME "\n");
+
+#ifdef CONFIG_UCDIMM
+ pr_info("uCdimm by Lineo, Inc. <www.lineo.com>\n");
+#endif
+#ifdef CONFIG_M68328
+ pr_info("68328 support D. Jeff Dionne <jeff@uclinux.org>\n");
+ pr_info("68328 support Kenneth Albanowski <kjahds@kjshds.com>\n");
+#endif
+#ifdef CONFIG_M68EZ328
+ pr_info("68EZ328 DragonBallEZ support (C) 1999 Rt-Control, Inc\n");
+#endif
+#ifdef CONFIG_M68VZ328
+ pr_info("M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n");
+ pr_info("68VZ328 DragonBallVZ support (c) 2001 Lineo, Inc.\n");
+#endif
+#ifdef CONFIG_COLDFIRE
+ pr_info("COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n");
+#ifdef CONFIG_M5307
+ pr_info("Modified for M5307 by Dave Miller, dmiller@intellistor.com\n");
+#endif
+#ifdef CONFIG_ELITE
+ pr_info("Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n");
+#endif
+#endif
+ pr_info("Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n");
+
+#if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )
+ pr_info("68328/Pilot support Bernhard Kuhn <kuhn@lpr.e-technik.tu-muenchen.de>\n");
+ pr_info("TRG SuperPilot FLASH card support <info@trgnet.com>\n");
+#endif
+#if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 )
+ pr_info("PalmV support by Lineo Inc. <jeff@uclinux.com>\n");
+#endif
+#ifdef CONFIG_DRAGEN2
+ pr_info("DragonEngine II board support by Georges Menie\n");
+#endif
+#ifdef CONFIG_M5235EVB
+ pr_info("Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)\n");
+#endif
+
+ pr_debug("KERNEL -> TEXT=0x%p-0x%p DATA=0x%p-0x%p BSS=0x%p-0x%p\n",
+ _stext, _etext, _sdata, _edata, __bss_start, __bss_stop);
+ pr_debug("MEMORY -> ROMFS=0x%p-0x%06lx MEM=0x%06lx-0x%06lx\n ",
+ __bss_stop, memory_start, memory_start, memory_end);
+
+ memblock_add(_rambase, memory_end - _rambase);
+ memblock_reserve(_rambase, memory_start - _rambase);
+
+ /* Keep a copy of command line */
+ *cmdline_p = &command_line[0];
+ memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
+ boot_command_line[COMMAND_LINE_SIZE-1] = 0;
+
+ /*
+ * Give all the memory to the bootmap allocator, tell it to put the
+ * boot mem_map at the start of memory.
+ */
+ min_low_pfn = PFN_DOWN(memory_start);
+ max_pfn = max_low_pfn = PFN_DOWN(memory_end);
+
+#if defined(CONFIG_UBOOT) && defined(CONFIG_BLK_DEV_INITRD)
+ if ((initrd_start > 0) && (initrd_start < initrd_end) &&
+ (initrd_end < memory_end))
+ memblock_reserve(initrd_start, initrd_end - initrd_start);
+#endif /* if defined(CONFIG_BLK_DEV_INITRD) */
+
+ /*
+ * Get kmalloc into gear.
+ */
+ paging_init();
+}
+
+/*
+ * Get CPU information for use by the procfs.
+ */
+static int show_cpuinfo(struct seq_file *m, void *v)
+{
+ char *cpu, *mmu, *fpu;
+ u_long clockfreq;
+
+ cpu = CPU_NAME;
+ mmu = "none";
+ fpu = "none";
+ clockfreq = (loops_per_jiffy * HZ) * CPU_INSTR_PER_JIFFY;
+
+ seq_printf(m, "CPU:\t\t%s\n"
+ "MMU:\t\t%s\n"
+ "FPU:\t\t%s\n"
+ "Clocking:\t%lu.%1luMHz\n"
+ "BogoMips:\t%lu.%02lu\n"
+ "Calibration:\t%lu loops\n",
+ cpu, mmu, fpu,
+ clockfreq / 1000000,
+ (clockfreq / 100000) % 10,
+ (loops_per_jiffy * HZ) / 500000,
+ ((loops_per_jiffy * HZ) / 5000) % 100,
+ (loops_per_jiffy * HZ));
+
+ return 0;
+}
+
+static void *c_start(struct seq_file *m, loff_t *pos)
+{
+ return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL;
+}
+
+static void *c_next(struct seq_file *m, void *v, loff_t *pos)
+{
+ ++*pos;
+ return c_start(m, pos);
+}
+
+static void c_stop(struct seq_file *m, void *v)
+{
+}
+
+const struct seq_operations cpuinfo_op = {
+ .start = c_start,
+ .next = c_next,
+ .stop = c_stop,
+ .show = show_cpuinfo,
+};
+