cpu_startup.h

qnx powerpc MPC8245的 BSP源文件

/*
 * $QNXLicenseC: 
 * Copyright 2007, QNX Software Systems.  
 *  
 * Licensed under the Apache License, Version 2.0 (the "License"). You  
 * may not reproduce, modify or distribute this software except in  
 * compliance with the License. You may obtain a copy of the License  
 * at: http://www.apache.org/licenses/LICENSE-2.0  
 *  
 * Unless required by applicable law or agreed to in writing, software  
 * distributed under the License is distributed on an "AS IS" basis,  
 * WITHOUT WARRANTIES OF ANY KIND, either express or implied. 
 * 
 * This file may contain contributions from others, either as  
 * contributors under the License or as licensors under other terms.   
 * Please review this entire file for other proprietary rights or license  
 * notices, as well as the QNX Development Suite License Guide at  
 * http://licensing.qnx.com/license-guide/ for other information. 
 * $ 
 */


#include <ppc/cpu.h>
#include <ppc/inline.h>
#include <ppc/priv.h>
#include <ppc/401cpu.h>
#include <ppc/403cpu.h>
#include <ppc/405cpu.h>
#include <ppc/400intr.h>
#include <ppc/700cpu.h>
#include <ppc/800intr.h>
#include <ppc/800cpu.h>
#include <ppc/8260intr.h>
#include <ppc/83xxintr.h>
#include <ppc/8260cpu.h>
#include <ppc/83xxcpu.h>
#include <ppc/440cpu.h>


/********************************************************************
*********************************************************************

	These definitions are required for the system independent code.

*********************************************************************
********************************************************************/

#define KERCALL_SEQUENCE(name)	uint32_t name[] = {		\
					0x60000000,	/* NOP */				\
					0x44000002,	/* SC */				\
}

#define CPU_SYSPAGE_TYPE	SYSPAGE_PPC

struct cpu_local_syspage {
	SYSPAGE_SECTION(ppc_boxinfo);
	SYSPAGE_SECTION(ppc_kerinfo);
	SYSPAGE_SECTION(ppc_smpinfo);
	SYSPAGE_SECTION(ppc_tlbinfo);
};

extern void print_ppc_boxinfo();
extern void print_ppc_kerinfo();
extern void print_ppc_smpinfo();
extern void print_ppc_tlbinfo();

#define CPU_PRT_SYSPAGE_RTNS					\
	CPU_PRT_SYSPAGE_RTN(ppc, 1, boxinfo),		\
	CPU_PRT_SYSPAGE_RTN(ppc, 1, kerinfo),		\
	CPU_PRT_SYSPAGE_RTN(ppc, 1, smpinfo),		\
	CPU_PRT_SYSPAGE_RTN(ppc, 1, tlbinfo),

#define BOOTSTRAPS_RUN_ONE_TO_ONE	1


/* Reserve the bottom part of memory for the exception table */
#define CPU_MEM_RESERVE_START		0
#define CPU_MEM_RESERVE_SIZE		PPC_EXC_SIZE

#define CPU_COMMON_OPTIONS_STRING	"xE"

/********************************************************************
*********************************************************************

	Everything below is specific to the PPC.

*********************************************************************
********************************************************************/
 
extern unsigned 	boot_regs[];
extern int			save_EAR;

int				ppc400_virtual_supported(void);
int				ppc400_mftb_supported(void);
int				ppc600_has_fpu(void);
unsigned long	ppc_cpuspeed(void);
void			set_spr_indirect(unsigned spr, unsigned value);

void		ppc_dec_init_qtime(void);
void		ppc_booke_dec_init_qtime(void);
void		ppc440gp_set_clock_freqs(unsigned);
void		ppc440gx_set_clock_freqs(unsigned);
void		ppc405_set_clock_freqs(unsigned, unsigned);
void		ppc400_pit_init_qtime(void);
void		ppc400_mal0_reset(void);

void		ppc800_pit_init_qtime(void);
void		ppc8260_pit_init_qtime(void);
void 		ppc800_set_clock_freqs(unsigned, unsigned, int);
void 		ppc800_unlock_registers(void);

void		ppc600_set_clock_freqs(unsigned);
void		ppc750fx_set_clock_freqs(unsigned);
void		ppc600_init_caches(void);
void		ppc600_init_features(void);
void		ppc600_flush_caches(void);
void		ppc700_init_l2_cache(unsigned);
void		ppc7450_init_l2_cache(unsigned);
void		ppc7450_init_l3_cache(unsigned);

unsigned	falcon_system_clock(paddr_t);

void		falcon_init_l2_cache(paddr_t);
void		falcon_init_raminfo(paddr_t);

void 		hawk_init_raminfo(paddr_t);

void		openbios_init_raminfo(void);

void		ppc405_init_raminfo(void);

void		ppc400_sdram0_init_raminfo(void);

void		ppc8260_init_raminfo(void);
void		ppc8260_set_clock_freqs(unsigned);

unsigned	ppc83xx_set_clock_freqs(unsigned);
void		ppc83xx_init_raminfo(void);

void		ppc85xx_init_raminfo(void);
void		ppc85xx_init_l2_cache(void);
void		ppc85xx_set_clock_freqs(unsigned, unsigned);
void		ppc85xx_set_get_clock_freqs(unsigned, unsigned, 
										unsigned *, unsigned *);

unsigned	harrier_system_clock(paddr_t);
void 		harrier_init_raminfo(paddr_t);

extern paddr_t immr_paddr;
extern unsigned cpm_offset;
void		ppc_set_immr_paddr(paddr_t);
void		as_add_immr(unsigned, unsigned);

unsigned long rtc_time_rtc8xx(void);

unsigned	ppcbug_smp_num_cpu(void);
void		ppcbug_smp_init(struct smp_entry *, unsigned);
int			ppcbug_smp_start(unsigned, void (*)(void));
unsigned	ppcbug_smp_adjust_num(unsigned);

extern void board_cpuconfig1(int cpu);
extern void board_cpuconfig2(int cpu);

/*
 * PPC variant routines/structures
 */

enum mmu_info {
	MI_PAGESIZES,
	MI_NUM_ENTRIES
};

struct ppcv_config {
	unsigned	family;
	void 		(*cpuconfig1)(int cpu);
	void 		(*cpuconfig2)(int cpu);
	void 		(*cpuinfo)(struct cpuinfo_entry *cpu);
	void 		(*qtime)(void);
	void		*(*map)(unsigned size, paddr_t phys, unsigned prot_flags);
	void		(*unmap)(void *);
};

extern struct ppcv_config	ppcv_config;

struct ppcv_chip {
	unsigned short	chip;
	_Uint8t			paddr_bits;
	_Uint8t 		cache_lsize;
	unsigned short	icache_lines;
	unsigned short	dcache_lines;
	unsigned		cpu_flags;
	unsigned		pretend_cpu;
	const char 		*name;
	void			(*setup)(void);
};

/* 400 family */
extern void ppcv_setup_400(void);
extern void ppcv_cpuconfig1_400(int cpu);
extern void ppcv_cpuinfo_400(struct cpuinfo_entry *);
extern void ppcv_setup_405(void);
extern void ppcv_cpuconfig2_405(int cpu);

extern const struct ppcv_chip	ppcv_chip_401;
extern const struct ppcv_chip	ppcv_chip_403;
extern const struct ppcv_chip	ppcv_chip_405;
extern const struct ppcv_chip	ppcv_chip_405H;
extern const struct ppcv_chip	ppcv_chip_405GPR;
extern const struct ppcv_chip	ppcv_chip_405EP;
extern const struct ppcv_chip	ppcv_chip_vesta;

/* 600 family */
extern unsigned	ppc700_l2cache_giip;

extern void ppcv_setup_600(void);
extern void ppcv_setup_604(void);
extern void ppcv_setup_700(void);
extern void ppcv_setup_7400(void);
extern void ppcv_setup_7410(void);
extern void ppcv_setup_7447(void);
extern void ppcv_setup_7450(void);
extern void ppcv_setup_7455(void);
extern void ppcv_setup_8200(void);
extern void ppcv_cpuconfig1_600(int cpu);
extern void ppcv_cpuconfig2_600(int cpu);
extern void ppcv_cpuinfo_600(struct cpuinfo_entry *);
extern void ppcv_cpuinfo_8200(struct cpuinfo_entry *);
extern void ppcv_cpuinfo_700(struct cpuinfo_entry *);
extern void ppcv_cpuconfig1_604(int cpu);
extern void ppcv_cpuconfig2_700(int cpu);
extern void ppcv_cpuconfig2_7400(int cpu);
extern void ppcv_cpuconfig2_7450(int cpu);
extern void ppcv_mmuconfig1_600(int cpu);
extern void ppcv_mmuconfig2_600(int cpu);
extern void *ppcv_map_600(unsigned size, paddr_t phys, unsigned prot_flags);
extern void ppcv_unmap_600(void *p);

extern const struct ppcv_chip	ppcv_chip_603;
extern const struct ppcv_chip	ppcv_chip_603e;
extern const struct ppcv_chip	ppcv_chip_603e7;
extern const struct ppcv_chip	ppcv_chip_604;
extern const struct ppcv_chip	ppcv_chip_604e;
extern const struct ppcv_chip	ppcv_chip_604e5;
extern const struct ppcv_chip	ppcv_chip_750;
extern const struct ppcv_chip	ppcv_chip_750fx;
extern const struct ppcv_chip	ppcv_chip_7400;
extern const struct ppcv_chip	ppcv_chip_7410;
extern const struct ppcv_chip	ppcv_chip_7447;
extern const struct ppcv_chip	ppcv_chip_7450;
extern const struct ppcv_chip	ppcv_chip_7455;
extern const struct ppcv_chip	ppcv_chip_7457;
extern const struct ppcv_chip	ppcv_chip_8245;
extern const struct ppcv_chip	ppcv_chip_8260;
extern const struct ppcv_chip	ppcv_chip_8280;
extern const struct ppcv_chip	ppcv_chip_e300c1;
extern const struct ppcv_chip	ppcv_chip_mgt5200;

/* 800 family */
extern void ppcv_setup_800(void);
extern void ppcv_cpuconfig1_800(int cpu);
extern void ppcv_cpuinfo_800(struct cpuinfo_entry *);

extern const struct ppcv_chip	ppcv_chip_800;
extern const struct ppcv_chip	ppcv_chip_823; /* Don't add to ppcv_list[] */

/* Book E family */
struct ppcbke_tlb_rtns {
	unsigned	asid_bits;
	int			(*info)(enum mmu_info, unsigned tlb);
	void 		(*read)(int tlb, int idx, ppcbke_tlb_t *);
	void 		(*write)(int tlb, int idx, const ppcbke_tlb_t *);
};

extern struct ppcbke_tlb_rtns	ppcbke_tlb;

extern int  ppcbke_tlb_info_static(enum mmu_info, unsigned);
extern void ppcbke_tlb_write_ibm(int tlb, int idx, const ppcbke_tlb_t *);
extern void ppcbke_tlb_read_ibm(int tlb, int idx, ppcbke_tlb_t *);

extern int  ppcbke_tlb_info_motorola(enum mmu_info, unsigned);
extern void ppcbke_tlb_write_e500(int tlb, int idx, const ppcbke_tlb_t *);
extern void ppcbke_tlb_read_e500(int tlb, int idx, ppcbke_tlb_t *);

struct tlb_info_booke {
	unsigned short	num_tlbs;
	struct {
		unsigned short	entries;
		unsigned short	page_sizes;
	}	tlb[4];
};
extern struct tlb_info_booke	static_tlb_info;

extern void	*ppcv_map_booke(unsigned size, paddr_t phys, unsigned prot_flags);

extern void ppcv_setup_booke(void);
extern void ppcv_setup_440(void);
extern void ppcv_setup_e500(void);
extern void ppcv_cpuconfig1_booke(int cpu);
extern void ppcv_cpuconfig2_booke(int cpu);
extern void ppcv_cpuinfo_booke(struct cpuinfo_entry *);
extern void ppcv_cpuconfig1_e500(int cpu);
extern void ppcv_cpuconfig2_e500(int cpu);
extern void ppcv_cpuinfo_e500(struct cpuinfo_entry *);

extern const struct ppcv_chip	ppcv_chip_440gp;
extern const struct ppcv_chip	ppcv_chip_440gx;
extern const struct ppcv_chip	ppcv_chip_440ep;
extern const struct ppcv_chip	ppcv_chip_e500;
extern const struct ppcv_chip	ppcv_chip_e500v2;

#define IVOR_LIST_CREATE(spr, num)	(((num) << 12) | (spr))
#define IVOR_LIST_SPR(list)			((list) & 0x3ff)
#define IVOR_LIST_NUM(list)			((list) >> 12)
extern unsigned short	ivor32_47_list;
extern unsigned short	ivor48_63_list;


extern const struct ppcv_chip	*ppcv_list[];
extern const struct ppcv_chip	*ppcv;

/*
 * Common debugging routines
 */
void init_403(unsigned, const char *, const char *);
void put_403(int);
extern struct callout_rtn	display_char_403;
extern struct callout_rtn	poll_key_403;
extern struct callout_rtn	break_detect_403;

void init_800cpm(unsigned, const char *, const char *);
void put_800cpm(int c);
extern struct callout_rtn	display_char_800cpm;
extern struct callout_rtn	poll_key_800cpm;
extern struct callout_rtn	break_detect_800cpm;

void init_8260cpm(unsigned, const char *, const char *);
void put_8260cpm(int c);
extern struct callout_rtn	display_char_8260cpm;
extern struct callout_rtn	poll_key_8260cpm;
extern struct callout_rtn	break_detect_8260cpm;

/*
 * Common callouts
 */
extern struct callout_rtn	smp_spin;

extern struct callout_rtn	cache_ippc;
extern struct callout_rtn	cache_dppc;

extern struct callout_rtn	cache_ippc_700smp;
extern struct callout_rtn	cache_dppc_700smp;

/* These two only needed to work around PPC405 errata #37. */
extern struct callout_rtn	cache_ippc_400;
extern struct callout_rtn	cache_dppc_400;

extern struct callout_rtn	reboot_400;
extern struct callout_rtn	reboot_405;
extern struct callout_rtn	reboot_800;
extern struct callout_rtn	reboot_booke;

extern struct callout_rtn	interrupt_mask_403;
extern struct callout_rtn	interrupt_unmask_403;
extern struct callout_rtn	interrupt_id_403;
extern struct callout_rtn	interrupt_eoi_403;

extern struct callout_rtn	interrupt_mask_405;
extern struct callout_rtn	interrupt_unmask_405;
extern struct callout_rtn	interrupt_id_405;
extern struct callout_rtn	interrupt_eoi_405;

extern struct callout_rtn	interrupt_mask_ibm_uic;
extern struct callout_rtn	interrupt_unmask_ibm_uic;
extern struct callout_rtn	interrupt_id_ibm_uic;
extern struct callout_rtn	interrupt_eoi_ibm_uic;

extern struct callout_rtn	interrupt_mask_400pit;
extern struct callout_rtn	interrupt_unmask_400pit;
extern struct callout_rtn	interrupt_id_400pit;
extern struct callout_rtn	interrupt_eoi_400pit;

extern struct callout_rtn	interrupt_mask_400fit;
extern struct callout_rtn	interrupt_unmask_400fit;
extern struct callout_rtn	interrupt_id_400fit;
extern struct callout_rtn	interrupt_eoi_400fit;

extern struct callout_rtn	interrupt_mask_400wd;
extern struct callout_rtn	interrupt_unmask_400wd;
extern struct callout_rtn	interrupt_id_400wd;
extern struct callout_rtn	interrupt_eoi_400wd;

extern struct callout_rtn	interrupt_mask_800;
extern struct callout_rtn	interrupt_unmask_800;
extern struct callout_rtn	interrupt_id_800;
extern struct callout_rtn	interrupt_eoi_800;

extern struct callout_rtn	interrupt_mask_800cpm;
extern struct callout_rtn	interrupt_unmask_800cpm;
extern struct callout_rtn	interrupt_id_800cpm;
extern struct callout_rtn	interrupt_eoi_800cpm;

extern struct callout_rtn	interrupt_mask_8260;
extern struct callout_rtn	interrupt_unmask_8260;
extern struct callout_rtn	interrupt_id_8260;
extern struct callout_rtn	interrupt_eoi_8260;

extern struct callout_rtn	interrupt_mask_83xx;
extern struct callout_rtn	interrupt_unmask_83xx;
extern struct callout_rtn	interrupt_id_83xx;
extern struct callout_rtn	interrupt_eoi_83xx;

extern struct callout_rtn	interrupt_mask_dec;
extern struct callout_rtn	interrupt_unmask_dec;
extern struct callout_rtn	interrupt_id_dec;
extern struct callout_rtn	interrupt_id_dec_smp;
extern struct callout_rtn	interrupt_eoi_dec;

extern struct callout_rtn	interrupt_mask_booke_dec;
extern struct callout_rtn	interrupt_unmask_booke_dec;
extern struct callout_rtn	interrupt_id_booke_dec;
extern struct callout_rtn	interrupt_eoi_booke_dec;

extern struct callout_rtn	interrupt_mask_booke_fit;
extern struct callout_rtn	interrupt_unmask_booke_fit;
extern struct callout_rtn	interrupt_id_booke_fit;
extern struct callout_rtn	interrupt_eoi_booke_fit;

extern struct callout_rtn	interrupt_mask_booke_watchdog;
extern struct callout_rtn	interrupt_unmask_booke_watchdog;
extern struct callout_rtn	interrupt_id_booke_watchdog;
extern struct callout_rtn	interrupt_eoi_booke_watchdog;

extern struct callout_rtn	interrupt_mask_pmi;
extern struct callout_rtn	interrupt_unmask_pmi;
extern struct callout_rtn	interrupt_id_pmi;
extern struct callout_rtn	interrupt_eoi_pmi;

extern struct callout_rtn	timer_load_400;
extern struct callout_rtn	timer_reload_400;
extern struct callout_rtn	timer_value_400;

extern struct callout_rtn	timer_load_800;
extern struct callout_rtn	timer_reload_800;
extern struct callout_rtn	timer_value_800;

extern struct callout_rtn	timer_load_8260;
extern struct callout_rtn	timer_reload_8260;
extern struct callout_rtn	timer_value_8260;

extern struct callout_rtn	timer_load_dec;
extern struct callout_rtn	timer_reload_dec;
extern struct callout_rtn	timer_value_dec;

extern struct callout_rtn	timer_load_dec_booke;
extern struct callout_rtn	timer_value_dec_booke;