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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /arch/m68knommu/kernel/setup.c
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'arch/m68knommu/kernel/setup.c')
-rw-r--r--arch/m68knommu/kernel/setup.c356
1 files changed, 0 insertions, 356 deletions
diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c
deleted file mode 100644
index ba92b90d5fbc..000000000000
--- a/arch/m68knommu/kernel/setup.c
+++ /dev/null
@@ -1,356 +0,0 @@
1/*
2 * linux/arch/m68knommu/kernel/setup.c
3 *
4 * Copyright (C) 1999-2007 Greg Ungerer (gerg@snapgear.com)
5 * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@uClinux.org>
6 * Copyleft ()) 2000 James D. Schettine {james@telos-systems.com}
7 * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
8 * Copyright (C) 1995 Hamish Macdonald
9 * Copyright (C) 2000 Lineo Inc. (www.lineo.com)
10 * Copyright (C) 2001 Lineo, Inc. <www.lineo.com>
11 *
12 * 68VZ328 Fixes/support Evan Stawnyczy <e@lineo.ca>
13 */
14
15/*
16 * This file handles the architecture-dependent parts of system setup
17 */
18
19#include <linux/kernel.h>
20#include <linux/sched.h>
21#include <linux/delay.h>
22#include <linux/interrupt.h>
23#include <linux/fb.h>
24#include <linux/module.h>
25#include <linux/mm.h>
26#include <linux/console.h>
27#include <linux/errno.h>
28#include <linux/string.h>
29#include <linux/bootmem.h>
30#include <linux/seq_file.h>
31#include <linux/init.h>
32#include <linux/initrd.h>
33#include <linux/root_dev.h>
34
35#include <asm/setup.h>
36#include <asm/irq.h>
37#include <asm/machdep.h>
38#include <asm/pgtable.h>
39
40unsigned long memory_start;
41unsigned long memory_end;
42
43EXPORT_SYMBOL(memory_start);
44EXPORT_SYMBOL(memory_end);
45
46char __initdata command_line[COMMAND_LINE_SIZE];
47
48/* machine dependent timer functions */
49void (*mach_gettod)(int*, int*, int*, int*, int*, int*);
50int (*mach_set_clock_mmss)(unsigned long);
51
52/* machine dependent reboot functions */
53void (*mach_reset)(void);
54void (*mach_halt)(void);
55void (*mach_power_off)(void);
56
57#ifdef CONFIG_M68000
58 #define CPU "MC68000"
59#endif
60#ifdef CONFIG_M68328
61 #define CPU "MC68328"
62#endif
63#ifdef CONFIG_M68EZ328
64 #define CPU "MC68EZ328"
65#endif
66#ifdef CONFIG_M68VZ328
67 #define CPU "MC68VZ328"
68#endif
69#ifdef CONFIG_M68360
70 #define CPU "MC68360"
71#endif
72#if defined(CONFIG_M5206)
73 #define CPU "COLDFIRE(m5206)"
74#endif
75#if defined(CONFIG_M5206e)
76 #define CPU "COLDFIRE(m5206e)"
77#endif
78#if defined(CONFIG_M520x)
79 #define CPU "COLDFIRE(m520x)"
80#endif
81#if defined(CONFIG_M523x)
82 #define CPU "COLDFIRE(m523x)"
83#endif
84#if defined(CONFIG_M5249)
85 #define CPU "COLDFIRE(m5249)"
86#endif
87#if defined(CONFIG_M5271)
88 #define CPU "COLDFIRE(m5270/5271)"
89#endif
90#if defined(CONFIG_M5272)
91 #define CPU "COLDFIRE(m5272)"
92#endif
93#if defined(CONFIG_M5275)
94 #define CPU "COLDFIRE(m5274/5275)"
95#endif
96#if defined(CONFIG_M528x)
97 #define CPU "COLDFIRE(m5280/5282)"
98#endif
99#if defined(CONFIG_M5307)
100 #define CPU "COLDFIRE(m5307)"
101#endif
102#if defined(CONFIG_M532x)
103 #define CPU "COLDFIRE(m532x)"
104#endif
105#if defined(CONFIG_M5407)
106 #define CPU "COLDFIRE(m5407)"
107#endif
108#ifndef CPU
109 #define CPU "UNKNOWN"
110#endif
111
112extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end;
113extern int _ramstart, _ramend;
114
115#if defined(CONFIG_UBOOT)
116/*
117 * parse_uboot_commandline
118 *
119 * Copies u-boot commandline arguments and store them in the proper linux
120 * variables.
121 *
122 * Assumes:
123 * _init_sp global contains the address in the stack pointer when the
124 * kernel starts (see head.S::_start)
125 *
126 * U-Boot calling convention:
127 * (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
128 *
129 * _init_sp can be parsed as such
130 *
131 * _init_sp+00 = u-boot cmd after jsr into kernel (skip)
132 * _init_sp+04 = &kernel board_info (residual data)
133 * _init_sp+08 = &initrd_start
134 * _init_sp+12 = &initrd_end
135 * _init_sp+16 = &cmd_start
136 * _init_sp+20 = &cmd_end
137 *
138 * This also assumes that the memory locations pointed to are still
139 * unmodified. U-boot places them near the end of external SDRAM.
140 *
141 * Argument(s):
142 * commandp = the linux commandline arg container to fill.
143 * size = the sizeof commandp.
144 *
145 * Returns:
146 */
147void parse_uboot_commandline(char *commandp, int size)
148{
149 extern unsigned long _init_sp;
150 unsigned long *sp;
151 unsigned long uboot_kbd;
152 unsigned long uboot_initrd_start, uboot_initrd_end;
153 unsigned long uboot_cmd_start, uboot_cmd_end;
154
155
156 sp = (unsigned long *)_init_sp;
157 uboot_kbd = sp[1];
158 uboot_initrd_start = sp[2];
159 uboot_initrd_end = sp[3];
160 uboot_cmd_start = sp[4];
161 uboot_cmd_end = sp[5];
162
163 if (uboot_cmd_start && uboot_cmd_end)
164 strncpy(commandp, (const char *)uboot_cmd_start, size);
165#if defined(CONFIG_BLK_DEV_INITRD)
166 if (uboot_initrd_start && uboot_initrd_end &&
167 (uboot_initrd_end > uboot_initrd_start)) {
168 initrd_start = uboot_initrd_start;
169 initrd_end = uboot_initrd_end;
170 ROOT_DEV = Root_RAM0;
171 printk(KERN_INFO "initrd at 0x%lx:0x%lx\n",
172 initrd_start, initrd_end);
173 }
174#endif /* if defined(CONFIG_BLK_DEV_INITRD) */
175}
176#endif /* #if defined(CONFIG_UBOOT) */
177
178void __init setup_arch(char **cmdline_p)
179{
180 int bootmap_size;
181
182 memory_start = PAGE_ALIGN(_ramstart);
183 memory_end = _ramend;
184
185 init_mm.start_code = (unsigned long) &_stext;
186 init_mm.end_code = (unsigned long) &_etext;
187 init_mm.end_data = (unsigned long) &_edata;
188 init_mm.brk = (unsigned long) 0;
189
190 config_BSP(&command_line[0], sizeof(command_line));
191
192#if defined(CONFIG_BOOTPARAM)
193 strncpy(&command_line[0], CONFIG_BOOTPARAM_STRING, sizeof(command_line));
194 command_line[sizeof(command_line) - 1] = 0;
195#endif /* CONFIG_BOOTPARAM */
196
197#if defined(CONFIG_UBOOT)
198 /* CONFIG_UBOOT and CONFIG_BOOTPARAM defined, concatenate cmdline */
199 #if defined(CONFIG_BOOTPARAM)
200 /* Add the whitespace separator */
201 command_line[strlen(CONFIG_BOOTPARAM_STRING)] = ' ';
202 /* Parse uboot command line into the rest of the buffer */
203 parse_uboot_commandline(
204 &command_line[(strlen(CONFIG_BOOTPARAM_STRING)+1)],
205 (sizeof(command_line) -
206 (strlen(CONFIG_BOOTPARAM_STRING)+1)));
207 /* Only CONFIG_UBOOT defined, create cmdline */
208 #else
209 parse_uboot_commandline(&command_line[0], sizeof(command_line));
210 #endif /* CONFIG_BOOTPARAM */
211 command_line[sizeof(command_line) - 1] = 0;
212#endif /* CONFIG_UBOOT */
213
214 printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU "\n");
215
216#ifdef CONFIG_UCDIMM
217 printk(KERN_INFO "uCdimm by Lineo, Inc. <www.lineo.com>\n");
218#endif
219#ifdef CONFIG_M68VZ328
220 printk(KERN_INFO "M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n");
221#endif
222#ifdef CONFIG_COLDFIRE
223 printk(KERN_INFO "COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n");
224#ifdef CONFIG_M5307
225 printk(KERN_INFO "Modified for M5307 by Dave Miller, dmiller@intellistor.com\n");
226#endif
227#ifdef CONFIG_ELITE
228 printk(KERN_INFO "Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n");
229#endif
230#endif
231 printk(KERN_INFO "Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n");
232
233#if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )
234 printk(KERN_INFO "TRG SuperPilot FLASH card support <info@trgnet.com>\n");
235#endif
236#if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 )
237 printk(KERN_INFO "PalmV support by Lineo Inc. <jeff@uclinux.com>\n");
238#endif
239#if defined (CONFIG_M68360)
240 printk(KERN_INFO "QUICC port done by SED Systems <hamilton@sedsystems.ca>,\n");
241 printk(KERN_INFO "based on 2.0.38 port by Lineo Inc. <mleslie@lineo.com>.\n");
242#endif
243#ifdef CONFIG_DRAGEN2
244 printk(KERN_INFO "DragonEngine II board support by Georges Menie\n");
245#endif
246#ifdef CONFIG_M5235EVB
247 printk(KERN_INFO "Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)\n");
248#endif
249
250 pr_debug("KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
251 "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
252 (int) &_sdata, (int) &_edata,
253 (int) &_sbss, (int) &_ebss);
254 pr_debug("MEMORY -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x\n ",
255 (int) &_ebss, (int) memory_start,
256 (int) memory_start, (int) memory_end);
257
258 /* Keep a copy of command line */
259 *cmdline_p = &command_line[0];
260 memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
261 boot_command_line[COMMAND_LINE_SIZE-1] = 0;
262
263#ifdef DEBUG
264 if (strlen(*cmdline_p))
265 printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p);
266#endif
267
268#if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE)
269 conswitchp = &dummy_con;
270#endif
271
272 /*
273 * Give all the memory to the bootmap allocator, tell it to put the
274 * boot mem_map at the start of memory.
275 */
276 bootmap_size = init_bootmem_node(
277 NODE_DATA(0),
278 memory_start >> PAGE_SHIFT, /* map goes here */
279 PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */
280 memory_end >> PAGE_SHIFT);
281 /*
282 * Free the usable memory, we have to make sure we do not free
283 * the bootmem bitmap so we then reserve it after freeing it :-)
284 */
285 free_bootmem(memory_start, memory_end - memory_start);
286 reserve_bootmem(memory_start, bootmap_size, BOOTMEM_DEFAULT);
287
288#if defined(CONFIG_UBOOT) && defined(CONFIG_BLK_DEV_INITRD)
289 if ((initrd_start > 0) && (initrd_start < initrd_end) &&
290 (initrd_end < memory_end))
291 reserve_bootmem(initrd_start, initrd_end - initrd_start,
292 BOOTMEM_DEFAULT);
293#endif /* if defined(CONFIG_BLK_DEV_INITRD) */
294
295 /*
296 * Get kmalloc into gear.
297 */
298 paging_init();
299}
300
301/*
302 * Get CPU information for use by the procfs.
303 */
304static int show_cpuinfo(struct seq_file *m, void *v)
305{
306 char *cpu, *mmu, *fpu;
307 u_long clockfreq;
308
309 cpu = CPU;
310 mmu = "none";
311 fpu = "none";
312
313#ifdef CONFIG_COLDFIRE
314 clockfreq = (loops_per_jiffy * HZ) * 3;
315#else
316 clockfreq = (loops_per_jiffy * HZ) * 16;
317#endif
318
319 seq_printf(m, "CPU:\t\t%s\n"
320 "MMU:\t\t%s\n"
321 "FPU:\t\t%s\n"
322 "Clocking:\t%lu.%1luMHz\n"
323 "BogoMips:\t%lu.%02lu\n"
324 "Calibration:\t%lu loops\n",
325 cpu, mmu, fpu,
326 clockfreq / 1000000,
327 (clockfreq / 100000) % 10,
328 (loops_per_jiffy * HZ) / 500000,
329 ((loops_per_jiffy * HZ) / 5000) % 100,
330 (loops_per_jiffy * HZ));
331
332 return 0;
333}
334
335static void *c_start(struct seq_file *m, loff_t *pos)
336{
337 return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL;
338}
339
340static void *c_next(struct seq_file *m, void *v, loff_t *pos)
341{
342 ++*pos;
343 return c_start(m, pos);
344}
345
346static void c_stop(struct seq_file *m, void *v)
347{
348}
349
350const struct seq_operations cpuinfo_op = {
351 .start = c_start,
352 .next = c_next,
353 .stop = c_stop,
354 .show = show_cpuinfo,
355};
356
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