11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* setup.c: FRV specific setup 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2003-5 Red Hat, Inc. All Rights Reserved. 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Written by David Howells (dhowells@redhat.com) 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - Derived from arch/m68k/kernel/setup.c 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * modify it under the terms of the GNU General Public License 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * as published by the Free Software Foundation; either version 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2 of the License, or (at your option) any later version. 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13273b281fa22c293963ee3e6eec418f5dda2dbc83Sam Ravnborg#include <generated/utsrelease.h> 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/sched.h> 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/interrupt.h> 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fs.h> 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/mm.h> 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fb.h> 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/console.h> 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/genhd.h> 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/major.h> 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/bootmem.h> 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/highmem.h> 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/seq_file.h> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/serial.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/serial_core.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/serial_reg.h> 32b187f180cc942e50007aa039f8e3a620ee5f3171Yinghai Lu#include <linux/serial_8250.h> 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/setup.h> 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/irq.h> 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/sections.h> 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/pgalloc.h> 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/busctl-regs.h> 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/serial-regs.h> 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/timer-regs.h> 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/irc-regs.h> 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/spr-regs.h> 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/mb-regs.h> 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/mb93493-regs.h> 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/gdb-stub.h> 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_BLK_DEV_INITRD 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/pgtable.h> 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "local.h" 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_MB93090_MB00 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init mb93090_display(void); 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_MMU 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init setup_linux_memory(void); 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init setup_uclinux_memory(void); 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_MB93090_MB00 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic char __initdata mb93090_banner[] = "FJ/RH FR-V Linux"; 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic char __initdata mb93090_version[] = UTS_RELEASE; 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint __nongprelbss mb93090_mb00_detected; 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char __frv_unknown_system[] = "unknown"; 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char __frv_mb93091_cb10[] = "mb93091-cb10"; 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char __frv_mb93091_cb11[] = "mb93091-cb11"; 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char __frv_mb93091_cb30[] = "mb93091-cb30"; 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char __frv_mb93091_cb41[] = "mb93091-cb41"; 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char __frv_mb93091_cb60[] = "mb93091-cb60"; 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char __frv_mb93091_cb70[] = "mb93091-cb70"; 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char __frv_mb93091_cb451[] = "mb93091-cb451"; 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char __frv_mb93090_mb00[] = "mb93090-mb00"; 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char __frv_mb93493[] = "mb93493"; 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char __frv_mb93093[] = "mb93093"; 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const char *__nongprelbss cpu_series; 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const char *__nongprelbss cpu_core; 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const char *__nongprelbss cpu_silicon; 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const char *__nongprelbss cpu_mmu; 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const char *__nongprelbss cpu_system; 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const char *__nongprelbss cpu_board1; 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const char *__nongprelbss cpu_board2; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned long __nongprelbss cpu_psr_all; 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned long __nongprelbss cpu_hsr0_all; 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long __nongprelbss pdm_suspend_mode; 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long __nongprelbss rom_length; 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long __nongprelbss memory_start; 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long __nongprelbss memory_end; 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long __nongprelbss dma_coherent_mem_start; 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long __nongprelbss dma_coherent_mem_end; 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long __initdata __sdram_old_base; 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long __initdata num_mappedpages; 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1079c00f7613249b3b42782a226308353a4033c11c3Alon Bar-Levchar __initdata command_line[COMMAND_LINE_SIZE]; 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldschar __initdata redboot_command_line[COMMAND_LINE_SIZE]; 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define __pminit 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define __pminitdata 113b4b5087173d09507f425714bc8d270615e5800b1Andi Kleen#define __pminitconst 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define __pminit __init 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define __pminitdata __initdata 117b4b5087173d09507f425714bc8d270615e5800b1Andi Kleen#define __pminitconst __initconst 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct clock_cmode { 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t xbus, sdram, corebus, core, dsu; 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _frac(N,D) ((N)<<4 | (D)) 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x0_16 _frac(1,6) 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x0_25 _frac(1,4) 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x0_33 _frac(1,3) 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x0_375 _frac(3,8) 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x0_5 _frac(1,2) 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x0_66 _frac(2,3) 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x0_75 _frac(3,4) 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x1 _frac(1,1) 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x1_5 _frac(3,2) 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x2 _frac(2,1) 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x3 _frac(3,1) 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x4 _frac(4,1) 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x4_5 _frac(9,2) 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x6 _frac(6,1) 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x8 _frac(8,1) 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _x9 _frac(9,1) 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint __nongprelbss clock_p0_current; 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint __nongprelbss clock_cm_current; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint __nongprelbss clock_cmode_current; 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint __nongprelbss clock_cmodes_permitted; 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long __nongprelbss clock_bits_settable; 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct clock_cmode __pminitdata undef_clock_cmode = { _x1, _x1, _x1, _x1, _x1 }; 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct clock_cmode __pminitdata clock_cmodes_fr401_fr403[16] = { 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [4] = { _x1, _x1, _x2, _x2, _x0_25 }, 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [5] = { _x1, _x2, _x4, _x4, _x0_5 }, 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [8] = { _x1, _x1, _x1, _x2, _x0_25 }, 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [9] = { _x1, _x2, _x2, _x4, _x0_5 }, 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [11] = { _x1, _x4, _x4, _x8, _x1 }, 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [12] = { _x1, _x1, _x2, _x4, _x0_5 }, 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [13] = { _x1, _x2, _x4, _x8, _x1 }, 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct clock_cmode __pminitdata clock_cmodes_fr405[16] = { 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [0] = { _x1, _x1, _x1, _x1, _x0_5 }, 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [1] = { _x1, _x1, _x1, _x3, _x0_25 }, 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [2] = { _x1, _x1, _x2, _x6, _x0_5 }, 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [3] = { _x1, _x2, _x2, _x6, _x0_5 }, 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [4] = { _x1, _x1, _x2, _x2, _x0_16 }, 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [8] = { _x1, _x1, _x1, _x2, _x0_16 }, 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [9] = { _x1, _x2, _x2, _x4, _x0_33 }, 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [12] = { _x1, _x1, _x2, _x4, _x0_33 }, 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [14] = { _x1, _x3, _x3, _x9, _x0_75 }, 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [15] = { _x1, _x1_5, _x1_5, _x4_5, _x0_375 }, 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CLOCK_CMODES_PERMITTED_FR405 0xd31f 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct clock_cmode __pminitdata clock_cmodes_fr555[16] = { 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [0] = { _x1, _x2, _x2, _x4, _x0_33 }, 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [1] = { _x1, _x3, _x3, _x6, _x0_5 }, 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [2] = { _x1, _x2, _x4, _x8, _x0_66 }, 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [3] = { _x1, _x1_5, _x3, _x6, _x0_5 }, 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [4] = { _x1, _x3, _x3, _x9, _x0_75 }, 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [5] = { _x1, _x2, _x2, _x6, _x0_5 }, 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds [6] = { _x1, _x1_5, _x1_5, _x4_5, _x0_375 }, 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1873f3247d01933d357229f6a11f62d88a848445a9aAndi Kleenstatic const struct clock_cmode __pminitconst *clock_cmodes; 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __pminitdata clock_doubled; 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1905616df204ecf164ef2b124a17fd3cadd87954628David Howellsstatic struct uart_port __pminitdata __frv_uart0 = { 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .uartclk = 0, 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .membase = (char *) UART0_BASE, 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irq = IRQ_CPU_UART0, 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .regshift = 3, 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .iotype = UPIO_MEM, 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1995616df204ecf164ef2b124a17fd3cadd87954628David Howellsstatic struct uart_port __pminitdata __frv_uart1 = { 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .uartclk = 0, 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .membase = (char *) UART1_BASE, 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irq = IRQ_CPU_UART1, 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .regshift = 3, 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .iotype = UPIO_MEM, 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init printk_xampr(unsigned long ampr, unsigned long amlr, char i_d, int n) 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long phys, virt, cxn, size; 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_MMU 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds virt = amlr & 0xffffc000; 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cxn = amlr & 0x3fff; 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds virt = ampr & 0xffffc000; 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cxn = 0; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds phys = ampr & xAMPRx_PPFN; 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = 1 << (((ampr & xAMPRx_SS) >> 4) + 17); 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("%cAMPR%d: va %08lx-%08lx [pa %08lx] %c%c%c%c [cxn:%04lx]\n", 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i_d, n, 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds virt, virt + size - 1, 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds phys, 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ampr & xAMPRx_S ? 'S' : '-', 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ampr & xAMPRx_C ? 'C' : '-', 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ampr & DAMPRx_WP ? 'W' : '-', 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ampr & xAMPRx_V ? 'V' : '-', 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cxn 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ); 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dump the memory map 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init dump_memory_map(void) 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* dump the protection map */ 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(0), __get_IAMLR(0), 'I', 0); 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(1), __get_IAMLR(1), 'I', 1); 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(2), __get_IAMLR(2), 'I', 2); 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(3), __get_IAMLR(3), 'I', 3); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(4), __get_IAMLR(4), 'I', 4); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(5), __get_IAMLR(5), 'I', 5); 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(6), __get_IAMLR(6), 'I', 6); 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(7), __get_IAMLR(7), 'I', 7); 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(8), __get_IAMLR(8), 'I', 8); 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(9), __get_IAMLR(9), 'i', 9); 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(10), __get_IAMLR(10), 'I', 10); 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(11), __get_IAMLR(11), 'I', 11); 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(12), __get_IAMLR(12), 'I', 12); 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(13), __get_IAMLR(13), 'I', 13); 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(14), __get_IAMLR(14), 'I', 14); 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_IAMPR(15), __get_IAMLR(15), 'I', 15); 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(0), __get_DAMLR(0), 'D', 0); 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(1), __get_DAMLR(1), 'D', 1); 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(2), __get_DAMLR(2), 'D', 2); 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(3), __get_DAMLR(3), 'D', 3); 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(4), __get_DAMLR(4), 'D', 4); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(5), __get_DAMLR(5), 'D', 5); 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(6), __get_DAMLR(6), 'D', 6); 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(7), __get_DAMLR(7), 'D', 7); 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(8), __get_DAMLR(8), 'D', 8); 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(9), __get_DAMLR(9), 'D', 9); 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(10), __get_DAMLR(10), 'D', 10); 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(11), __get_DAMLR(11), 'D', 11); 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(12), __get_DAMLR(12), 'D', 12); 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(13), __get_DAMLR(13), 'D', 13); 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(14), __get_DAMLR(14), 'D', 14); 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk_xampr(__get_DAMPR(15), __get_DAMLR(15), 'D', 15); 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* dump the bus controller registers */ 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("LGCR: %08lx\n", __get_LGCR()); 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Master: %08lx-%08lx CR=%08lx\n", 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __get_LEMBR(), __get_LEMBR() + __get_LEMAM(), 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __get_LMAICR()); 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int loop; 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (loop = 1; loop <= 7; loop++) { 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long lcr = __get_LCR(loop), lsbr = __get_LSBR(loop); 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("CS#%d: %08lx-%08lx %c%c%c%c%c%c%c%c%c\n", 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds loop, 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lsbr, lsbr + __get_LSAM(loop), 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lcr & 0x80000000 ? 'r' : '-', 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lcr & 0x40000000 ? 'w' : '-', 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lcr & 0x08000000 ? 'b' : '-', 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lcr & 0x04000000 ? 'B' : '-', 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lcr & 0x02000000 ? 'C' : '-', 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lcr & 0x01000000 ? 'D' : '-', 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lcr & 0x00800000 ? 'W' : '-', 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lcr & 0x00400000 ? 'R' : '-', 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (lcr & 0x00030000) == 0x00000000 ? '4' : 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (lcr & 0x00030000) == 0x00010000 ? '2' : 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (lcr & 0x00030000) == 0x00020000 ? '1' : 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds '-' 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ); 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("\n"); 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end dump_memory_map() */ 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * attempt to detect a VDK motherboard and DAV daughter board on an MB93091 system 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_MB93091_VDK 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init detect_mb93091(void) 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_MB93090_MB00 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Detect CB70 without motherboard */ 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(cpu_system == __frv_mb93091_cb70 && ((*(unsigned short *)0xffc00030) & 0x100))) { 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_board1 = __frv_mb93090_mb00; 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mb93090_mb00_detected = 1; 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_FUJITSU_MB93493 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_board2 = __frv_mb93493; 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end detect_mb93091() */ 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * determine the CPU type and set appropriate parameters 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Family Series CPU Core Silicon Imple Vers 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ---------------------------------------------------------- 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FR-V --+-> FR400 --+-> FR401 --+-> MB93401 02 00 [1] 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | | | 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | | +-> MB93401/A 02 01 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | | | 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | | +-> MB93403 02 02 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | | 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | +-> FR405 ----> MB93405 04 00 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * +-> FR450 ----> FR451 ----> MB93451 05 00 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * +-> FR500 ----> FR501 --+-> MB93501 01 01 [2] 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | | 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | +-> MB93501/A 01 02 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * +-> FR550 --+-> FR551 ----> MB93555 03 01 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * [1] The MB93401 is an obsolete CPU replaced by the MB93401A 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * [2] The MB93501 is an obsolete CPU replaced by the MB93501A 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Imple is PSR(Processor Status Register)[31:28]. 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Vers is PSR(Processor Status Register)[27:24]. 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * A "Silicon" consists of CPU core and some on-chip peripherals. 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init determine_cpu(void) 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long hsr0 = __get_HSR(0); 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long psr = __get_PSR(); 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* work out what selectable services the CPU supports */ 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_PSR(psr | PSR_EM | PSR_EF | PSR_CM | PSR_NEM); 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_psr_all = __get_PSR(); 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_PSR(psr); 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_HSR(0, hsr0 | HSR0_GRLE | HSR0_GRHE | HSR0_FRLE | HSR0_FRHE); 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_hsr0_all = __get_HSR(0); 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_HSR(0, hsr0); 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* derive other service specs from the CPU type */ 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_series = "unknown"; 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_core = "unknown"; 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_silicon = "unknown"; 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_mmu = "Prot"; 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_system = __frv_unknown_system; 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_cmodes = NULL; 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_doubled = 0; 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_bits_settable = CLOCK_BIT_CM_H | CLOCK_BIT_CM_M | CLOCK_BIT_P0; 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (PSR_IMPLE(psr)) { 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_IMPLE_FR401: 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_series = "fr400"; 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_core = "fr401"; 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pdm_suspend_mode = HSR0_PDM_PLL_RUN; 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (PSR_VERSION(psr)) { 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_VERSION_FR401_MB93401: 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_silicon = "mb93401"; 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_system = __frv_mb93091_cb10; 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_cmodes = clock_cmodes_fr401_fr403; 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_doubled = 1; 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_VERSION_FR401_MB93401A: 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_silicon = "mb93401/A"; 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_system = __frv_mb93091_cb11; 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_cmodes = clock_cmodes_fr401_fr403; 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_VERSION_FR401_MB93403: 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_silicon = "mb93403"; 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef CONFIG_MB93093_PDK 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_system = __frv_mb93091_cb30; 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_system = __frv_mb93093; 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_cmodes = clock_cmodes_fr401_fr403; 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_IMPLE_FR405: 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_series = "fr400"; 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_core = "fr405"; 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pdm_suspend_mode = HSR0_PDM_PLL_STOP; 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (PSR_VERSION(psr)) { 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_VERSION_FR405_MB93405: 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_silicon = "mb93405"; 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_system = __frv_mb93091_cb60; 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_cmodes = clock_cmodes_fr405; 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_bits_settable |= CLOCK_BIT_CMODE; 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_cmodes_permitted = CLOCK_CMODES_PERMITTED_FR405; 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* the FPGA on the CB70 has extra registers 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - it has 0x0046 in the VDK_ID FPGA register at 0x1a0, which is 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * how we tell the difference between it and a CB60 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (*(volatile unsigned short *) 0xffc001a0 == 0x0046) 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_system = __frv_mb93091_cb70; 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_IMPLE_FR451: 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_series = "fr450"; 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_core = "fr451"; 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pdm_suspend_mode = HSR0_PDM_PLL_STOP; 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_bits_settable |= CLOCK_BIT_CMODE; 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_cmodes_permitted = CLOCK_CMODES_PERMITTED_FR405; 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (PSR_VERSION(psr)) { 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_VERSION_FR451_MB93451: 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_silicon = "mb93451"; 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_mmu = "Prot, SAT, xSAT, DAT"; 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_system = __frv_mb93091_cb451; 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_cmodes = clock_cmodes_fr405; 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_IMPLE_FR501: 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_series = "fr500"; 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_core = "fr501"; 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pdm_suspend_mode = HSR0_PDM_PLL_STOP; 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (PSR_VERSION(psr)) { 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_VERSION_FR501_MB93501: cpu_silicon = "mb93501"; break; 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_VERSION_FR501_MB93501A: cpu_silicon = "mb93501/A"; break; 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_IMPLE_FR551: 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_series = "fr550"; 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_core = "fr551"; 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pdm_suspend_mode = HSR0_PDM_PLL_RUN; 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (PSR_VERSION(psr)) { 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PSR_VERSION_FR551_MB93555: 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_silicon = "mb93555"; 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_mmu = "Prot, SAT"; 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_system = __frv_mb93091_cb41; 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_cmodes = clock_cmodes_fr555; 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_doubled = 1; 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("- Series:%s CPU:%s Silicon:%s\n", 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_series, cpu_core, cpu_silicon); 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_MB93091_VDK 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds detect_mb93091(); 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_MB93093_PDK) && defined(CONFIG_FUJITSU_MB93493) 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_board2 = __frv_mb93493; 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end determine_cpu() */ 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * calculate the bus clock speed 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid __pminit determine_clocks(int verbose) 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct clock_cmode *mode, *tmode; 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long clkc, psr, quot; 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clkc = __get_CLKC(); 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds psr = __get_PSR(); 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_p0_current = !!(clkc & CLKC_P0); 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_cm_current = clkc & CLKC_CM; 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_cmode_current = (clkc & CLKC_CMODE) >> CLKC_CMODE_s; 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (verbose) 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("psr=%08lx hsr0=%08lx clkc=%08lx\n", psr, __get_HSR(0), clkc); 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* the CB70 has some alternative ways of setting the clock speed through switches accessed 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * through the FPGA. */ 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cpu_system == __frv_mb93091_cb70) { 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short clkswr = *(volatile unsigned short *) 0xffc00104UL & 0x1fffUL; 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clkswr & 0x1000) 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __clkin_clock_speed_HZ = 60000000UL; 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __clkin_clock_speed_HZ = 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((clkswr >> 8) & 0xf) * 10000000 + 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((clkswr >> 4) & 0xf) * 1000000 + 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((clkswr ) & 0xf) * 100000; 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* the FR451 is currently fixed at 24MHz */ 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (cpu_system == __frv_mb93091_cb451) { 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds //__clkin_clock_speed_HZ = 24000000UL; // CB451-FPGA 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short clkswr = *(volatile unsigned short *) 0xffc00104UL & 0x1fffUL; 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clkswr & 0x1000) 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __clkin_clock_speed_HZ = 60000000UL; 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __clkin_clock_speed_HZ = 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((clkswr >> 8) & 0xf) * 10000000 + 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((clkswr >> 4) & 0xf) * 1000000 + 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((clkswr ) & 0xf) * 100000; 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* otherwise determine the clockspeed from VDK or other registers */ 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __clkin_clock_speed_HZ = __get_CLKIN(); 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* look up the appropriate clock relationships table entry */ 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode = &undef_clock_cmode; 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clock_cmodes) { 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmode = &clock_cmodes[(clkc & CLKC_CMODE) >> CLKC_CMODE_s]; 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmode->xbus) 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode = tmode; 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CLOCK(SRC,RATIO) ((SRC) * (((RATIO) >> 4) & 0x0f) / ((RATIO) & 0x0f)) 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clock_doubled) 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __clkin_clock_speed_HZ <<= 1; 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __ext_bus_clock_speed_HZ = CLOCK(__clkin_clock_speed_HZ, mode->xbus); 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __sdram_clock_speed_HZ = CLOCK(__clkin_clock_speed_HZ, mode->sdram); 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __dsu_clock_speed_HZ = CLOCK(__clkin_clock_speed_HZ, mode->dsu); 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (clkc & CLKC_CM) { 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: /* High */ 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __core_bus_clock_speed_HZ = CLOCK(__clkin_clock_speed_HZ, mode->corebus); 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __core_clock_speed_HZ = CLOCK(__clkin_clock_speed_HZ, mode->core); 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: /* Medium */ 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __core_bus_clock_speed_HZ = CLOCK(__clkin_clock_speed_HZ, mode->sdram); 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __core_clock_speed_HZ = CLOCK(__clkin_clock_speed_HZ, mode->sdram); 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 2: /* Low; not supported */ 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 3: /* UNDEF */ 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Unsupported CLKC CM %ld\n", clkc & CLKC_CM); 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds panic("Bye"); 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __res_bus_clock_speed_HZ = __ext_bus_clock_speed_HZ; 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clkc & CLKC_P0) 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __res_bus_clock_speed_HZ >>= 1; 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (verbose) { 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("CLKIN: %lu.%3.3luMHz\n", 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __clkin_clock_speed_HZ / 1000000, 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (__clkin_clock_speed_HZ / 1000) % 1000); 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("CLKS:" 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds " ext=%luMHz res=%luMHz sdram=%luMHz cbus=%luMHz core=%luMHz dsu=%luMHz\n", 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __ext_bus_clock_speed_HZ / 1000000, 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __res_bus_clock_speed_HZ / 1000000, 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __sdram_clock_speed_HZ / 1000000, 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __core_bus_clock_speed_HZ / 1000000, 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __core_clock_speed_HZ / 1000000, 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __dsu_clock_speed_HZ / 1000000 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ); 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* calculate the number of __delay() loop iterations per sec (2 insn loop) */ 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __delay_loops_MHz = __core_clock_speed_HZ / (1000000 * 2); 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* set the serial prescaler */ 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __serial_clock_speed_HZ = __res_bus_clock_speed_HZ; 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds quot = 1; 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (__serial_clock_speed_HZ / quot / 16 / 65536 > 3000) 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds quot += 1; 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* double the divisor if P0 is clear, so that if/when P0 is set, it's still achievable 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - we have to be careful - dividing too much can mean we can't get 115200 baud 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (__serial_clock_speed_HZ > 32000000 && !(clkc & CLKC_P0)) 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds quot <<= 1; 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __serial_clock_speed_HZ /= quot; 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __frv_uart0.uartclk = __serial_clock_speed_HZ; 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __frv_uart1.uartclk = __serial_clock_speed_HZ; 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (verbose) 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" uart=%luMHz\n", __serial_clock_speed_HZ / 1000000 * quot); 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (!(__get_UART0_LSR() & UART_LSR_TEMT)) 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (!(__get_UART1_LSR() & UART_LSR_TEMT)) 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_UCPVR(quot); 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_UCPSR(0); 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end determine_clocks() */ 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * reserve some DMA consistent memory 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_RESERVE_DMA_COHERENT 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init reserve_dma_coherent(void) 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long ampr; 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* find the first non-kernel memory tile and steal it */ 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define __steal_AMPR(r) \ 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (__get_DAMPR(r) & xAMPRx_V) { \ 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ampr = __get_DAMPR(r); \ 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_DAMPR(r, ampr | xAMPRx_S | xAMPRx_C); \ 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_IAMPR(r, 0); \ 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto found; \ 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(1); 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(2); 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(3); 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(4); 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(5); 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(6); 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (PSR_IMPLE(__get_PSR()) == PSR_IMPLE_FR551) { 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(7); 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(8); 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(9); 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(10); 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(11); 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(12); 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(13); 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __steal_AMPR(14); 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* unable to grant any DMA consistent memory */ 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("No DMA consistent memory reserved\n"); 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds found: 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_coherent_mem_start = ampr & xAMPRx_PPFN; 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ampr &= xAMPRx_SS; 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ampr >>= 4; 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ampr = 1 << (ampr - 3 + 20); 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_coherent_mem_end = dma_coherent_mem_start + ampr; 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("DMA consistent memory reserved %lx-%lx\n", 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_coherent_mem_start, dma_coherent_mem_end); 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end reserve_dma_coherent() */ 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * calibrate the delay loop 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 710ec460ae52ef51eb329e08deda6beb97b1cc37d99Paul Gortmakervoid calibrate_delay(void) 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds loops_per_jiffy = __delay_loops_MHz * (1000000 / HZ); 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Calibrating delay loop... %lu.%02lu BogoMIPS\n", 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds loops_per_jiffy / (500000 / HZ), 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (loops_per_jiffy / (5000 / HZ)) % 100); 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end calibrate_delay() */ 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * look through the command line for some things we need to know immediately 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init parse_cmdline_early(char *cmdline) 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!cmdline) 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (*cmdline) { 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (*cmdline == ' ') 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cmdline++; 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* "mem=XXX[kKmM]" sets SDRAM size to <mem>, overriding the value we worked 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * out from the SDRAM controller mask register 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 73698bd8d05ea5798ff3179ee33f0ca2789722ecc5aChen Gang if (!strncmp(cmdline, "mem=", 4)) { 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long long mem_size; 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mem_size = memparse(cmdline + 4, &cmdline); 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memory_end = memory_start + mem_size; 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (*cmdline && *cmdline != ' ') 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cmdline++; 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end parse_cmdline_early() */ 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid __init setup_arch(char **cmdline_p) 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_MMU 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Linux FR-V port done by Red Hat Inc <dhowells@redhat.com>\n"); 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("uClinux FR-V port done by Red Hat Inc <dhowells@redhat.com>\n"); 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7619c00f7613249b3b42782a226308353a4033c11c3Alon Bar-Lev memcpy(boot_command_line, redboot_command_line, COMMAND_LINE_SIZE); 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds determine_cpu(); 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds determine_clocks(1); 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For printk-directly-beats-on-serial-hardware hack */ 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds console_set_baud(115200); 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_GDBSTUB 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds gdbstub_set_baud(115200); 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_RESERVE_DMA_COHERENT 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reserve_dma_coherent(); 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dump_memory_map(); 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_MB93090_MB00 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mb93090_mb00_detected) 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mb93090_display(); 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* register those serial ports that are available */ 783f8aec7573b87d2bc09cafab459476953353d2efaDavid Howells#ifdef CONFIG_FRV_ONCPU_SERIAL 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef CONFIG_GDBSTUB_UART0 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __reg(UART0_BASE + UART_IER * 8) = 0; 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds early_serial_setup(&__frv_uart0); 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef CONFIG_GDBSTUB_UART1 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __reg(UART1_BASE + UART_IER * 8) = 0; 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds early_serial_setup(&__frv_uart1); 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 792f8aec7573b87d2bc09cafab459476953353d2efaDavid Howells#endif 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* deal with the command line - RedBoot may have passed one to the kernel */ 7959c00f7613249b3b42782a226308353a4033c11c3Alon Bar-Lev memcpy(command_line, boot_command_line, sizeof(command_line)); 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *cmdline_p = &command_line[0]; 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds parse_cmdline_early(command_line); 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* set up the memory description 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - by now the stack is part of the init task */ 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Memory %08lx-%08lx\n", memory_start, memory_end); 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 803125e18745f16685f69a34fd6130d47598fc4bf54Eric Sesterhenn BUG_ON(memory_start == memory_end); 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8053515b737d3c1377874c5cba8b7db3d2477da3af3Geert Uytterhoeven init_mm.start_code = (unsigned long) _stext; 8063515b737d3c1377874c5cba8b7db3d2477da3af3Geert Uytterhoeven init_mm.end_code = (unsigned long) _etext; 8073515b737d3c1377874c5cba8b7db3d2477da3af3Geert Uytterhoeven init_mm.end_data = (unsigned long) _edata; 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 /* DAVIDM - don't set brk just incase someone decides to use it */ 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init_mm.brk = (unsigned long) &_end; 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init_mm.brk = (unsigned long) 0; 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DEBUG 8153515b737d3c1377874c5cba8b7db3d2477da3af3Geert Uytterhoeven printk("KERNEL -> TEXT=0x%p-0x%p DATA=0x%p-0x%p BSS=0x%p-0x%p\n", 8163515b737d3c1377874c5cba8b7db3d2477da3af3Geert Uytterhoeven _stext, _etext, _sdata, _edata, __bss_start, __bss_stop); 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_VT 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_VGA_CONSOLE) 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds conswitchp = &vga_con; 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#elif defined(CONFIG_DUMMY_CONSOLE) 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds conswitchp = &dummy_con; 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_MMU 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds setup_linux_memory(); 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds setup_uclinux_memory(); 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* get kmalloc into gear */ 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds paging_init(); 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* init DMA */ 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds frv_dma_init(); 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DEBUG 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Done setup_arch\n"); 8401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* start the decrement timer running */ 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// asm volatile("movgs %0,timerd" :: "r"(10000000)); 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// __set_HSR(0, __get_HSR(0) | HSR0_ETMD); 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end setup_arch() */ 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 853b881bc469bdbdcca60e75047885509eb9886d3a2Greg Kroah-Hartmanstatic int setup_arch_serial(void) 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* register those serial ports that are available */ 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef CONFIG_GDBSTUB_UART0 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds early_serial_setup(&__frv_uart0); 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef CONFIG_GDBSTUB_UART1 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds early_serial_setup(&__frv_uart1); 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end setup_arch_serial() */ 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldslate_initcall(setup_arch_serial); 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 8711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * set up the memory map for normal MMU linux 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_MMU 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init setup_linux_memory(void) 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long bootmap_size, low_top_pfn, kstart, kend, high_mem; 8773f2b73c3c3e59cb9b94490d664b2439cd9c540e2Jiang Liu unsigned long physpages; 8781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kstart = (unsigned long) &__kernel_image_start - PAGE_OFFSET; 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kend = (unsigned long) &__kernel_image_end - PAGE_OFFSET; 8811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kstart = kstart & PAGE_MASK; 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kend = (kend + PAGE_SIZE - 1) & PAGE_MASK; 8841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* give all the memory to the bootmap allocator, tell it to put the 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * boot mem_map immediately following the kernel image 8871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bootmap_size = init_bootmem_node(NODE_DATA(0), 8891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kend >> PAGE_SHIFT, /* map addr */ 8901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memory_start >> PAGE_SHIFT, /* start of RAM */ 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memory_end >> PAGE_SHIFT /* end of RAM */ 8921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ); 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* pass the memory that the kernel can immediately use over to the bootmem allocator */ 8953f2b73c3c3e59cb9b94490d664b2439cd9c540e2Jiang Liu max_mapnr = physpages = (memory_end - memory_start) >> PAGE_SHIFT; 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds low_top_pfn = (KERNEL_LOWMEM_END - KERNEL_LOWMEM_START) >> PAGE_SHIFT; 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds high_mem = 0; 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8993f2b73c3c3e59cb9b94490d664b2439cd9c540e2Jiang Liu if (physpages > low_top_pfn) { 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_HIGHMEM 9013f2b73c3c3e59cb9b94490d664b2439cd9c540e2Jiang Liu high_mem = physpages - low_top_pfn; 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 9033f2b73c3c3e59cb9b94490d664b2439cd9c540e2Jiang Liu max_mapnr = physpages = low_top_pfn; 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { 9073f2b73c3c3e59cb9b94490d664b2439cd9c540e2Jiang Liu low_top_pfn = physpages; 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds min_low_pfn = memory_start >> PAGE_SHIFT; 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds max_low_pfn = low_top_pfn; 9121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds max_pfn = memory_end >> PAGE_SHIFT; 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds num_mappedpages = low_top_pfn; 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_NOTICE "%ldMB LOWMEM available.\n", low_top_pfn >> (20 - PAGE_SHIFT)); 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_bootmem(memory_start, low_top_pfn << PAGE_SHIFT); 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_HIGHMEM 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (high_mem) 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_NOTICE "%ldMB HIGHMEM available.\n", high_mem >> (20 - PAGE_SHIFT)); 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* take back the memory occupied by the kernel image and the bootmem alloc map */ 92672a7fe3967dbf86cb34e24fbf1d957fe24d2f246Bernhard Walle reserve_bootmem(kstart, kend - kstart + bootmap_size, 92772a7fe3967dbf86cb34e24fbf1d957fe24d2f246Bernhard Walle BOOTMEM_DEFAULT); 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reserve the memory occupied by the initial ramdisk */ 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_BLK_DEV_INITRD 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (LOADER_TYPE && INITRD_START) { 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INITRD_START + INITRD_SIZE <= (low_top_pfn << PAGE_SHIFT)) { 93372a7fe3967dbf86cb34e24fbf1d957fe24d2f246Bernhard Walle reserve_bootmem(INITRD_START, INITRD_SIZE, 93472a7fe3967dbf86cb34e24fbf1d957fe24d2f246Bernhard Walle BOOTMEM_DEFAULT); 93519e5d9c0d2194b4b47189cbec2921cbf72b0bd1cHenry Nestler initrd_start = INITRD_START + PAGE_OFFSET; 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds initrd_end = initrd_start + INITRD_SIZE; 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "initrd extends beyond end of memory (0x%08lx > 0x%08lx)\n" 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "disabling initrd\n", 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds INITRD_START + INITRD_SIZE, 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds low_top_pfn << PAGE_SHIFT); 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds initrd_start = 0; 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end setup_linux_memory() */ 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * set up the memory map for uClinux 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef CONFIG_MMU 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init setup_uclinux_memory(void) 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PROTECT_KERNEL 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long dampr; 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long kend; 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int bootmap_size; 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kend = (unsigned long) &__kernel_image_end; 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kend = (kend + PAGE_SIZE - 1) & PAGE_MASK; 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* give all the memory to the bootmap allocator, tell it to put the 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * boot mem_map immediately following the kernel image 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bootmap_size = init_bootmem_node(NODE_DATA(0), 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kend >> PAGE_SHIFT, /* map addr */ 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memory_start >> PAGE_SHIFT, /* start of RAM */ 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memory_end >> PAGE_SHIFT /* end of RAM */ 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ); 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* free all the usable memory */ 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_bootmem(memory_start, memory_end - memory_start); 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds high_memory = (void *) (memory_end & PAGE_MASK); 9813f2b73c3c3e59cb9b94490d664b2439cd9c540e2Jiang Liu max_mapnr = ((unsigned long) high_memory - PAGE_OFFSET) >> PAGE_SHIFT; 9821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds min_low_pfn = memory_start >> PAGE_SHIFT; 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds max_low_pfn = memory_end >> PAGE_SHIFT; 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds max_pfn = max_low_pfn; 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* now take back the bits the core kernel is occupying */ 9881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef CONFIG_PROTECT_KERNEL 98972a7fe3967dbf86cb34e24fbf1d957fe24d2f246Bernhard Walle reserve_bootmem(kend, bootmap_size, BOOTMEM_DEFAULT); 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reserve_bootmem((unsigned long) &__kernel_image_start, 99172a7fe3967dbf86cb34e24fbf1d957fe24d2f246Bernhard Walle kend - (unsigned long) &__kernel_image_start, 99272a7fe3967dbf86cb34e24fbf1d957fe24d2f246Bernhard Walle BOOTMEM_DEFAULT); 9931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 9951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dampr = __get_DAMPR(0); 9961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dampr &= xAMPRx_SS; 9971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dampr = (dampr >> 4) + 17; 9981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dampr = 1 << dampr; 9991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 100072a7fe3967dbf86cb34e24fbf1d957fe24d2f246Bernhard Walle reserve_bootmem(__get_DAMPR(0) & xAMPRx_PPFN, dampr, BOOTMEM_DEFAULT); 10011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 10021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reserve some memory to do uncached DMA through if requested */ 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_RESERVE_DMA_COHERENT 10051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dma_coherent_mem_start) 10061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reserve_bootmem(dma_coherent_mem_start, 100772a7fe3967dbf86cb34e24fbf1d957fe24d2f246Bernhard Walle dma_coherent_mem_end - dma_coherent_mem_start, 100872a7fe3967dbf86cb34e24fbf1d957fe24d2f246Bernhard Walle BOOTMEM_DEFAULT); 10091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 10101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end setup_uclinux_memory() */ 10121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 10131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 10151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 10161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * get CPU information for use by procfs 10171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int show_cpuinfo(struct seq_file *m, void *v) 10191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *gr, *fr, *fm, *fp, *cm, *nem, *ble; 10211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 10221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *sep; 10231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 10241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds gr = cpu_hsr0_all & HSR0_GRHE ? "gr0-63" : "gr0-31"; 10261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fr = cpu_hsr0_all & HSR0_FRHE ? "fr0-63" : "fr0-31"; 10271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fm = cpu_psr_all & PSR_EM ? ", Media" : ""; 10281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp = cpu_psr_all & PSR_EF ? ", FPU" : ""; 10291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cm = cpu_psr_all & PSR_CM ? ", CCCR" : ""; 10301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds nem = cpu_psr_all & PSR_NEM ? ", NE" : ""; 10311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ble = cpu_psr_all & PSR_BE ? "BE" : "LE"; 10321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds seq_printf(m, 10341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CPU-Series:\t%s\n" 10351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CPU-Core:\t%s, %s, %s%s%s\n" 10361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CPU:\t\t%s\n" 10371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "MMU:\t\t%s\n" 10381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "FP-Media:\t%s%s%s\n" 10391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "System:\t\t%s", 10401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_series, 10411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_core, gr, ble, cm, nem, 10421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_silicon, 10431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_mmu, 10441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fr, fm, fp, 10451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_system); 10461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cpu_board1) 10481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds seq_printf(m, ", %s", cpu_board1); 10491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cpu_board2) 10511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds seq_printf(m, ", %s", cpu_board2); 10521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds seq_printf(m, "\n"); 10541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 10561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds seq_printf(m, "PM-Controls:"); 10571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sep = "\t"; 10581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clock_bits_settable & CLOCK_BIT_CMODE) { 10601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds seq_printf(m, "%scmode=0x%04hx", sep, clock_cmodes_permitted); 10611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sep = ", "; 10621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clock_bits_settable & CLOCK_BIT_CM) { 10651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds seq_printf(m, "%scm=0x%lx", sep, clock_bits_settable & CLOCK_BIT_CM); 10661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sep = ", "; 10671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clock_bits_settable & CLOCK_BIT_P0) { 10701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds seq_printf(m, "%sp0=0x3", sep); 10711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sep = ", "; 10721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds seq_printf(m, "%ssuspend=0x22\n", sep); 10751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 10761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds seq_printf(m, 10781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "PM-Status:\tcmode=%d, cm=%d, p0=%d\n", 10791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_cmode_current, clock_cm_current, clock_p0_current); 10801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define print_clk(TAG, VAR) \ 10821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds seq_printf(m, "Clock-" TAG ":\t%lu.%2.2lu MHz\n", VAR / 1000000, (VAR / 10000) % 100) 10831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds print_clk("In", __clkin_clock_speed_HZ); 10851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds print_clk("Core", __core_clock_speed_HZ); 10861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds print_clk("SDRAM", __sdram_clock_speed_HZ); 10871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds print_clk("CBus", __core_bus_clock_speed_HZ); 10881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds print_clk("Res", __res_bus_clock_speed_HZ); 10891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds print_clk("Ext", __ext_bus_clock_speed_HZ); 10901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds print_clk("DSU", __dsu_clock_speed_HZ); 10911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds seq_printf(m, 10931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "BogoMips:\t%lu.%02lu\n", 10941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (loops_per_jiffy * HZ) / 500000, ((loops_per_jiffy * HZ) / 5000) % 100); 10951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 10971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end show_cpuinfo() */ 10981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void *c_start(struct seq_file *m, loff_t *pos) 11001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 11011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return *pos < NR_CPUS ? (void *) 0x12345678 : NULL; 11021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 11031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void *c_next(struct seq_file *m, void *v, loff_t *pos) 11051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 11061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ++*pos; 11071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return c_start(m, pos); 11081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 11091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void c_stop(struct seq_file *m, void *v) 11111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 11121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 11131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 111403a44825be987d720df854f63b2f7bd30e46bddeJan Engelhardtconst struct seq_operations cpuinfo_op = { 11151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .start = c_start, 11161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .next = c_next, 11171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .stop = c_stop, 11181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .show = show_cpuinfo, 11191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 11201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid arch_gettod(int *year, int *mon, int *day, int *hour, 11221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int *min, int *sec) 11231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 11241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *year = *mon = *day = *hour = *min = *sec = 0; 11251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 11261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 11281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 11291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 11301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_MB93090_MB00 11321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init mb93090_sendlcdcmd(uint32_t cmd) 11331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 11341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long base = __addr_LCD(); 11351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int loop; 11361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* request reading of the busy flag */ 11381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_LCD(base, LCD_CMD_READ_BUSY); 11391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_LCD(base, LCD_CMD_READ_BUSY & ~LCD_E); 11401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* wait for the busy flag to become clear */ 11421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (loop = 10000; loop > 0; loop--) 11431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(__get_LCD(base) & 0x80)) 11441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* send the command */ 11471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_LCD(base, cmd); 11481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_LCD(base, cmd & ~LCD_E); 11491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end mb93090_sendlcdcmd() */ 11511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 11531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 11541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * write to the MB93090 LEDs and LCD 11551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __init mb93090_display(void) 11571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 11581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *p; 11591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __set_LEDS(0); 11611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* set up the LCD */ 11631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mb93090_sendlcdcmd(LCD_CMD_CLEAR); 11641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mb93090_sendlcdcmd(LCD_CMD_FUNCSET(1,1,0)); 11651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mb93090_sendlcdcmd(LCD_CMD_ON(0,0)); 11661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mb93090_sendlcdcmd(LCD_CMD_HOME); 11671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mb93090_sendlcdcmd(LCD_CMD_SET_DD_ADDR(0)); 11691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (p = mb93090_banner; *p; p++) 11701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mb93090_sendlcdcmd(LCD_DATA_WRITE(*p)); 11711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mb93090_sendlcdcmd(LCD_CMD_SET_DD_ADDR(64)); 11731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (p = mb93090_version; *p; p++) 11741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mb93090_sendlcdcmd(LCD_DATA_WRITE(*p)); 11751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} /* end mb93090_display() */ 11771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif // CONFIG_MB93090_MB00 1179