diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile index 7b520f8dca165a8c7dcaea387cf6da5f97e6f535..cddf0dd2bcd82408d09bcc9885070f4b1a05ce48 100644 --- a/arch/x86/cpu/Makefile +++ b/arch/x86/cpu/Makefile @@ -30,7 +30,7 @@ LIB = $(obj)lib$(CPU).o START-y = start.o START-$(CONFIG_X86_RESET_VECTOR) += resetvec.o start16.o -COBJS = interrupts.o cpu.o timer.o +COBJS = interrupts.o cpu.o SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c index f8e28f0c829de8665963328dd3e2208f38193b68..14cb6994cfa787c3dd7265bb0b04ff5ad34f94a0 100644 --- a/arch/x86/cpu/coreboot/coreboot.c +++ b/arch/x86/cpu/coreboot/coreboot.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include #include @@ -90,6 +91,9 @@ void show_boot_progress(int val) int last_stage_init(void) { + if (gd->flags & GD_FLG_COLD_BOOT) + timestamp_add_to_bootstage(); + return 0; } @@ -135,3 +139,12 @@ int board_final_cleanup(void) return 0; } + +void panic_puts(const char *str) +{ + NS16550_t port = (NS16550_t)0x3f8; + + NS16550_init(port, 1); + while (*str) + NS16550_putc(port, *str++); +} diff --git a/arch/x86/cpu/coreboot/timestamp.c b/arch/x86/cpu/coreboot/timestamp.c index 2ca7a57bce50bfbe5fcc3ad3c42d2d65485a17f2..bd3558a0214930331b91f423da43e7012768cb50 100644 --- a/arch/x86/cpu/coreboot/timestamp.c +++ b/arch/x86/cpu/coreboot/timestamp.c @@ -39,7 +39,9 @@ static struct timestamp_table *ts_table __attribute__((section(".data"))); void timestamp_init(void) { ts_table = lib_sysinfo.tstamp_table; - timer_set_tsc_base(ts_table->base_time); +#ifdef CONFIG_SYS_X86_TSC_TIMER + timer_set_base(ts_table->base_time); +#endif timestamp_add_now(TS_U_BOOT_INITTED); } @@ -59,3 +61,41 @@ void timestamp_add_now(enum timestamp_id id) { timestamp_add(id, rdtsc()); } + +int timestamp_add_to_bootstage(void) +{ + uint i; + + if (!ts_table) + return -1; + + for (i = 0; i < ts_table->num_entries; i++) { + struct timestamp_entry *tse = &ts_table->entries[i]; + const char *name = NULL; + + switch (tse->entry_id) { + case TS_START_ROMSTAGE: + name = "start-romstage"; + break; + case TS_BEFORE_INITRAM: + name = "before-initram"; + break; + case TS_DEVICE_INITIALIZE: + name = "device-initialize"; + break; + case TS_DEVICE_DONE: + name = "device-done"; + break; + case TS_SELFBOOT_JUMP: + name = "selfboot-jump"; + break; + } + if (name) { + bootstage_add_record(0, name, BOOTSTAGEF_ALLOC, + tse->entry_stamp / + get_tbclk_mhz()); + } + } + + return 0; +} diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c index 1a2f85c1fe2153a582acf7c9cbcec799b57f9922..7a914a575154252e8c650d563ca7826d977fbe67 100644 --- a/arch/x86/cpu/cpu.c +++ b/arch/x86/cpu/cpu.c @@ -120,6 +120,11 @@ void setup_gdt(gd_t *id, u64 *gdt_addr) int __weak x86_cleanup_before_linux(void) { +#ifdef CONFIG_BOOTSTAGE_STASH + bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH, + CONFIG_BOOTSTAGE_STASH_SIZE); +#endif + return 0; } diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c index 6dc74e34c60f81d8ac5d2237a66c93345db852a3..e733bcb30272fa0da847cac08ca318eac4ee61ee 100644 --- a/arch/x86/cpu/interrupts.c +++ b/arch/x86/cpu/interrupts.c @@ -37,6 +37,8 @@ #include #include +DECLARE_GLOBAL_DATA_PTR; + #define DECLARE_INTERRUPT(x) \ ".globl irq_"#x"\n" \ ".hidden irq_"#x"\n" \ diff --git a/arch/x86/cpu/timer.c b/arch/x86/cpu/timer.c deleted file mode 100644 index 149109d4f453951f29fd3c596229046dfa9681a8..0000000000000000000000000000000000000000 --- a/arch/x86/cpu/timer.c +++ /dev/null @@ -1,17 +0,0 @@ -/* - * Copyright (c) 2011 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - */ - -#include - -unsigned long timer_get_us(void) -{ - printf("timer_get_us used but not implemented.\n"); - return 0; -} diff --git a/arch/x86/cpu/u-boot.lds b/arch/x86/cpu/u-boot.lds index 2d6911aa4196b58278eedbab54b833ba3e38d976..b4ecd4bd4a5fc30eafbec0649d3b10ed731fce89 100644 --- a/arch/x86/cpu/u-boot.lds +++ b/arch/x86/cpu/u-boot.lds @@ -79,18 +79,6 @@ SECTIONS /DISCARD/ : { *(.interp*) } /DISCARD/ : { *(.gnu*) } - /* 16bit realmode trampoline code */ - .realmode REALMODE_BASE : AT ( LOADADDR(.rel.dyn) + SIZEOF(.rel.dyn) ) { KEEP(*(.realmode)) } - - __realmode_start = LOADADDR(.realmode); - __realmode_size = SIZEOF(.realmode); - - /* 16bit BIOS emulation code (just enough to boot Linux) */ - .bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { KEEP(*(.bios)) } - - __bios_start = LOADADDR(.bios); - __bios_size = SIZEOF(.bios); - #ifdef CONFIG_X86_RESET_VECTOR /* diff --git a/arch/x86/include/asm/arch-coreboot/timestamp.h b/arch/x86/include/asm/arch-coreboot/timestamp.h index d104912e06628fe91f88383b428df21ef2dc2845..fcfc1d544253d3bd5f82d31c064e3b09ff855f92 100644 --- a/arch/x86/include/asm/arch-coreboot/timestamp.h +++ b/arch/x86/include/asm/arch-coreboot/timestamp.h @@ -49,4 +49,11 @@ void timestamp_init(void); void timestamp_add(enum timestamp_id id, uint64_t ts_time); void timestamp_add_now(enum timestamp_id id); +/** + * timestamp_add_to_bootstage - Add important coreboot timestamps to bootstage + * + * @return 0 if ok, -1 if no timestamps were found + */ +int timestamp_add_to_bootstage(void); + #endif diff --git a/arch/x86/include/asm/init_helpers.h b/arch/x86/include/asm/init_helpers.h index d018b290c1b1622bfdf1d3333d6eb038cbcd6a84..0a6a6755d224e591d1a1707d3705d0e079c68a04 100644 --- a/arch/x86/include/asm/init_helpers.h +++ b/arch/x86/include/asm/init_helpers.h @@ -24,19 +24,10 @@ #ifndef _INIT_HELPERS_H_ #define _INIT_HELPERS_H_ -int display_banner(void); -int display_dram_config(void); -int init_baudrate_f(void); int calculate_relocation_address(void); int init_cache_f_r(void); - -int set_reloc_flag_r(void); -int mem_malloc_init_r(void); int init_bd_struct_r(void); -int flash_init_r(void); -int status_led_set_r(void); -int set_load_addr_r(void); int init_func_spi(void); int find_fdt(void); int prepare_fdt(void); diff --git a/arch/x86/include/asm/init_wrappers.h b/arch/x86/include/asm/init_wrappers.h deleted file mode 100644 index 899ffb1544635816b5146616085421e62347887f..0000000000000000000000000000000000000000 --- a/arch/x86/include/asm/init_wrappers.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * (C) Copyright 2011 - * Graeme Russ, - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _INIT_WRAPPERS_H_ -#define _INIT_WRAPPERS_H_ - -int serial_initialize_r(void); -int env_relocate_r(void); -int pci_init_r(void); -int jumptable_init_r(void); -int pcmcia_init_r(void); -int kgdb_init_r(void); -int enable_interrupts_r(void); -int eth_initialize_r(void); -int reset_phy_r(void); -int ide_init_r(void); -int scsi_init_r(void); -int doc_init_r(void); -int bb_miiphy_init_r(void); -int post_run_r(void); - -#endif /* !_INIT_WRAPPERS_H_ */ diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 6d68ab6c92623e38dfd591f89cf70ce5d888de19..9cc2034737d0d4a72dd1630a4094ca59db467a18 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -30,8 +30,4 @@ const struct pci_device_id _table[] void pci_setup_type1(struct pci_controller *hose); -int pci_enable_legacy_video_ports(struct pci_controller* hose); -int pci_shadow_rom(pci_dev_t dev, unsigned char *dest); -void pci_remove_rom_window(struct pci_controller* hose, u32 addr); -u32 pci_get_rom_window(struct pci_controller* hose, int size); #endif diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h index ae0c3883e413ab2cfaa71243143d941fe1324f24..22e093427fdf5c9426dbb002c668da27c3ca33a4 100644 --- a/arch/x86/include/asm/u-boot-x86.h +++ b/arch/x86/include/asm/u-boot-x86.h @@ -33,11 +33,15 @@ void init_gd(gd_t *id, u64 *gdt_addr); void setup_gdt(gd_t *id, u64 *gdt_addr); int init_cache(void); int cleanup_before_linux(void); +void panic_puts(const char *str); /* cpu/.../timer.c */ void timer_isr(void *); typedef void (timer_fnc_t) (void); int register_timer_isr (timer_fnc_t *isr_func); +unsigned long get_tbclk_mhz(void); +void timer_set_base(uint64_t base); +int pcat_timer_init(void); /* Architecture specific - can be in arch/x86/cpu/, arch/x86/lib/, or $(BOARD)/ */ int dram_init_f(void); diff --git a/arch/x86/include/asm/u-boot.h b/arch/x86/include/asm/u-boot.h index df759faec403099ddf7d91beeb99816e829734d8..006232bcf8d609e4beb0340f4f67b92234e434d9 100644 --- a/arch/x86/include/asm/u-boot.h +++ b/arch/x86/include/asm/u-boot.h @@ -36,40 +36,8 @@ #ifndef _U_BOOT_H_ #define _U_BOOT_H_ 1 -#include -#include - -#ifdef CONFIG_SYS_GENERIC_BOARD /* Use the generic board which requires a unified bd_info */ #include -#else - -#ifndef __ASSEMBLY__ - -typedef struct bd_info { - unsigned long bi_memstart; /* start of DRAM memory */ - phys_size_t bi_memsize; /* size of DRAM memory in bytes */ - unsigned long bi_flashstart; /* start of FLASH memory */ - unsigned long bi_flashsize; /* size of FLASH memory */ - unsigned long bi_flashoffset; /* reserved area for startup monitor */ - unsigned long bi_sramstart; /* start of SRAM memory */ - unsigned long bi_sramsize; /* size of SRAM memory */ - unsigned long bi_bootflags; /* boot / reboot flag (for LynxOS) */ - unsigned short bi_ethspeed; /* Ethernet speed in Mbps */ - unsigned long bi_intfreq; /* Internal Freq, in MHz */ - unsigned long bi_busfreq; /* Bus Freq, in MHz */ - unsigned int bi_baudrate; /* Console Baudrate */ - unsigned long bi_boot_params; /* where this board expects params */ - struct /* RAM configuration */ - { - ulong start; - ulong size; - }bi_dram[CONFIG_NR_DRAM_BANKS]; -} bd_t; - -#endif /* __ASSEMBLY__ */ - -#endif /* !CONFIG_SYS_GENERIC_BOARD */ /* For image.h:image_check_target_arch() */ #define IH_ARCH_DEFAULT IH_ARCH_I386 diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index ee89354808659d24177931b47db133c5ffa19f2d..f66ad30741e597ec67e88b5f95ddd5ca2fb4e919 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -25,24 +25,18 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(ARCH).o -ifeq ($(CONFIG_SYS_GENERIC_BOARD),) -COBJS-y += board.o -endif - COBJS-y += bootm.o COBJS-y += cmd_boot.o COBJS-y += gcc.o COBJS-y += init_helpers.o -COBJS-y += init_wrappers.o COBJS-y += interrupts.o COBJS-$(CONFIG_SYS_PCAT_INTERRUPTS) += pcat_interrupts.o -COBJS-$(CONFIG_SYS_GENERIC_TIMER) += pcat_timer.o -COBJS-$(CONFIG_PCI) += pci.o +COBJS-$(CONFIG_SYS_PCAT_TIMER) += pcat_timer.o COBJS-$(CONFIG_PCI) += pci_type1.o COBJS-y += relocate.o COBJS-y += physmem.o COBJS-y += string.o -COBJS-$(CONFIG_SYS_X86_ISR_TIMER) += timer.o +COBJS-$(CONFIG_SYS_X86_TSC_TIMER) += tsc_timer.o COBJS-$(CONFIG_VIDEO_VGA) += video.o COBJS-$(CONFIG_CMD_ZBOOT) += zimage.o diff --git a/arch/x86/lib/bios.h b/arch/x86/lib/bios.h deleted file mode 100644 index 96509b066e7f507861d3bbf65596b3a7f929a556..0000000000000000000000000000000000000000 --- a/arch/x86/lib/bios.h +++ /dev/null @@ -1,170 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _BIOS_H_ -#define _BIOS_H_ - -#define OFFS_ES 0 /* 16bit */ -#define OFFS_GS 2 /* 16bit */ -#define OFFS_DS 4 /* 16bit */ -#define OFFS_EDI 6 /* 32bit */ -#define OFFS_DI 6 /* low 16 bits of EDI */ -#define OFFS_ESI 10 /* 32bit */ -#define OFFS_SI 10 /* low 16 bits of ESI */ -#define OFFS_EBP 14 /* 32bit */ -#define OFFS_BP 14 /* low 16 bits of EBP */ -#define OFFS_ESP 18 /* 32bit */ -#define OFFS_SP 18 /* low 16 bits of ESP */ -#define OFFS_EBX 22 /* 32bit */ -#define OFFS_BX 22 /* low 16 bits of EBX */ -#define OFFS_BL 22 /* low 8 bits of BX */ -#define OFFS_BH 23 /* high 8 bits of BX */ -#define OFFS_EDX 26 /* 32bit */ -#define OFFS_DX 26 /* low 16 bits of EBX */ -#define OFFS_DL 26 /* low 8 bits of BX */ -#define OFFS_DH 27 /* high 8 bits of BX */ -#define OFFS_ECX 30 /* 32bit */ -#define OFFS_CX 30 /* low 16 bits of EBX */ -#define OFFS_CL 30 /* low 8 bits of BX */ -#define OFFS_CH 31 /* high 8 bits of BX */ -#define OFFS_EAX 34 /* 32bit */ -#define OFFS_AX 34 /* low 16 bits of EBX */ -#define OFFS_AL 34 /* low 8 bits of BX */ -#define OFFS_AH 35 /* high 8 bits of BX */ -#define OFFS_VECTOR 38 /* 16bit */ -#define OFFS_IP 40 /* 16bit */ -#define OFFS_CS 42 /* 16bit */ -#define OFFS_FLAGS 44 /* 16bit */ - -/* stack at 0x40:0x800 -> 0x800 */ -#define SEGMENT 0x40 -#define STACK 0x800 - -/* - * save general registers - * save some segments - * save callers stack segment - * setup BIOS segments - * setup BIOS stackpointer - */ -#define MAKE_BIOS_STACK \ - pushal; \ - pushw %ds; \ - pushw %gs; \ - pushw %es; \ - pushw %ss; \ - popw %gs; \ - movw $SEGMENT, %ax; \ - movw %ax, %ds; \ - movw %ax, %es; \ - movw %ax, %ss; \ - movw %sp, %bp; \ - movw $STACK, %sp - -/* - * restore callers stack segment - * restore some segments - * restore general registers - */ -#define RESTORE_CALLERS_STACK \ - pushw %gs; \ - popw %ss; \ - movw %bp, %sp; \ - popw %es; \ - popw %gs; \ - popw %ds; \ - popal - -#ifndef __ASSEMBLY__ -#define BIOS_DATA ((char *)0x400) -#define BIOS_DATA_SIZE 256 -#define BIOS_BASE ((char *)0xf0000) -#define BIOS_CS 0xf000 - -extern ulong __bios_start; -extern ulong __bios_size; - -/* these are defined in a 16bit segment and needs - * to be accessed with the RELOC_16_xxxx() macros below - */ -extern u16 ram_in_64kb_chunks; -extern u16 bios_equipment; -extern u8 pci_last_bus; - -extern void *rm_int00; -extern void *rm_int01; -extern void *rm_int02; -extern void *rm_int03; -extern void *rm_int04; -extern void *rm_int05; -extern void *rm_int06; -extern void *rm_int07; -extern void *rm_int08; -extern void *rm_int09; -extern void *rm_int0a; -extern void *rm_int0b; -extern void *rm_int0c; -extern void *rm_int0d; -extern void *rm_int0e; -extern void *rm_int0f; -extern void *rm_int10; -extern void *rm_int11; -extern void *rm_int12; -extern void *rm_int13; -extern void *rm_int14; -extern void *rm_int15; -extern void *rm_int16; -extern void *rm_int17; -extern void *rm_int18; -extern void *rm_int19; -extern void *rm_int1a; -extern void *rm_int1b; -extern void *rm_int1c; -extern void *rm_int1d; -extern void *rm_int1e; -extern void *rm_int1f; -extern void *rm_def_int; - -#define RELOC_16_LONG(seg, off) (*(u32 *)(seg << 4 | (u32)&off)) -#define RELOC_16_WORD(seg, off) (*(u16 *)(seg << 4 | (u32)&off)) -#define RELOC_16_BYTE(seg, off) (*(u8 *)(seg << 4 | (u32)&off)) - -#ifdef PCI_BIOS_DEBUG -extern u32 num_pci_bios_present; -extern u32 num_pci_bios_find_device; -extern u32 num_pci_bios_find_class; -extern u32 num_pci_bios_generate_special_cycle; -extern u32 num_pci_bios_read_cfg_byte; -extern u32 num_pci_bios_read_cfg_word; -extern u32 num_pci_bios_read_cfg_dword; -extern u32 num_pci_bios_write_cfg_byte; -extern u32 num_pci_bios_write_cfg_word; -extern u32 num_pci_bios_write_cfg_dword; -extern u32 num_pci_bios_get_irq_routing; -extern u32 num_pci_bios_set_irq; -extern u32 num_pci_bios_unknown_function; -#endif - -#endif - -#endif diff --git a/arch/x86/lib/board.c b/arch/x86/lib/board.c deleted file mode 100644 index 228c2c82261bafaa352d0e2d268048824fd5664d..0000000000000000000000000000000000000000 --- a/arch/x86/lib/board.c +++ /dev/null @@ -1,266 +0,0 @@ -/* - * (C) Copyright 2008-2011 - * Graeme Russ, - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, - * - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH - * Marius Groeger - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -/* - * Breath some life into the board... - * - * Getting the board up and running is a three-stage process: - * 1) Execute from Flash, SDRAM Uninitialised - * At this point, there is a limited amount of non-SDRAM memory - * (typically the CPU cache, but can also be SRAM or even a buffer of - * of some peripheral). This limited memory is used to hold: - * - The initial copy of the Global Data Structure - * - A temporary stack - * - A temporary x86 Global Descriptor Table - * - The pre-console buffer (if enabled) - * - * The following is performed during this phase of execution: - * - Core low-level CPU initialisation - * - Console initialisation - * - SDRAM initialisation - * - * 2) Execute from Flash, SDRAM Initialised - * At this point we copy Global Data from the initial non-SDRAM - * memory and set up the permanent stack in SDRAM. The CPU cache is no - * longer being used as temporary memory, so we can now fully enable - * it. - * - * The following is performed during this phase of execution: - * - Create final stack in SDRAM - * - Copy Global Data from temporary memory to SDRAM - * - Enabling of CPU cache(s), - * - Copying of U-Boot code and data from Flash to RAM - * - Clearing of the BSS - * - ELF relocation adjustments - * - * 3) Execute from SDRAM - * The following is performed during this phase of execution: - * - All remaining initialisation - */ - -/* - * The requirements for any new initalization function is simple: it is - * a function with no parameters which returns an integer return code, - * where 0 means "continue" and != 0 means "fatal error, hang the system" - */ -typedef int (init_fnc_t) (void); - -/* - * init_sequence_f is the list of init functions which are run when U-Boot - * is executing from Flash with a limited 'C' environment. The following - * limitations must be considered when implementing an '_f' function: - * - 'static' variables are read-only - * - Global Data (gd->xxx) is read/write - * - Stack space is limited - * - * The '_f' sequence must, as a minimum, initialise SDRAM. It _should_ - * also initialise the console (to provide early debug output) - */ -init_fnc_t *init_sequence_f[] = { - cpu_init_f, - board_early_init_f, -#ifdef CONFIG_OF_CONTROL - find_fdt, - fdtdec_check_fdt, -#endif - env_init, - init_baudrate_f, - serial_init, - console_init_f, -#ifdef CONFIG_OF_CONTROL - prepare_fdt, -#endif - dram_init_f, - calculate_relocation_address, - - NULL, -}; - -/* - * init_sequence_f_r is the list of init functions which are run when - * U-Boot is executing from Flash with a semi-limited 'C' environment. - * The following limitations must be considered when implementing an - * '_f_r' function: - * - 'static' variables are read-only - * - Global Data (gd->xxx) is read/write - * - * The '_f_r' sequence must, as a minimum, copy U-Boot to RAM (if - * supported). It _should_, if possible, copy global data to RAM and - * initialise the CPU caches (to speed up the relocation process) - */ -init_fnc_t *init_sequence_f_r[] = { - init_cache_f_r, - copy_uboot_to_ram, - copy_fdt_to_ram, - clear_bss, - do_elf_reloc_fixups, - - NULL, -}; - -/* - * init_sequence_r is the list of init functions which are run when U-Boot - * is executing from RAM with a full 'C' environment. There are no longer - * any limitations which must be considered when implementing an '_r' - * function, (i.e.'static' variables are read/write) - * - * If not already done, the '_r' sequence must copy global data to RAM and - * (should) initialise the CPU caches. - */ -init_fnc_t *init_sequence_r[] = { - set_reloc_flag_r, - init_bd_struct_r, - mem_malloc_init_r, - cpu_init_r, - board_early_init_r, - dram_init, - interrupt_init, - timer_init, - display_banner, - display_dram_config, - serial_initialize_r, -#ifndef CONFIG_SYS_NO_FLASH - flash_init_r, -#endif -#ifdef CONFIG_PCI - pci_init_r, -#endif -#ifdef CONFIG_SPI - init_func_spi, -#endif - env_relocate_r, - stdio_init, - jumptable_init_r, - console_init_r, -#ifdef CONFIG_MISC_INIT_R - misc_init_r, -#endif -#if defined(CONFIG_CMD_KGDB) - kgdb_init_r, -#endif - enable_interrupts_r, -#ifdef CONFIG_STATUS_LED - status_led_set_r, -#endif - set_load_addr_r, -#if defined(CONFIG_CMD_IDE) - ide_init_r, -#endif -#if defined(CONFIG_CMD_SCSI) - scsi_init_r, -#endif -#if defined(CONFIG_CMD_DOC) - doc_init_r, -#endif -#ifdef CONFIG_BITBANGMII - bb_miiphy_init_r, -#endif -#if defined(CONFIG_CMD_NET) - eth_initialize_r, -#ifdef CONFIG_RESET_PHY_R - reset_phy_r, -#endif -#endif -#ifdef CONFIG_LAST_STAGE_INIT - last_stage_init, -#endif - NULL, -}; - -static void do_init_loop(init_fnc_t **init_fnc_ptr) -{ - for (; *init_fnc_ptr; ++init_fnc_ptr) { - WATCHDOG_RESET(); - if ((*init_fnc_ptr)() != 0) - hang(); - } -} - -void board_init_f(ulong boot_flags) -{ - gd->fdt_blob = gd->new_fdt = NULL; - gd->flags = boot_flags; - - do_init_loop(init_sequence_f); - - /* - * SDRAM and console are now initialised. The final stack can now - * be setup in SDRAM. Code execution will continue in Flash, but - * with the stack in SDRAM and Global Data in temporary memory - * (CPU cache) - */ - board_init_f_r_trampoline(gd->start_addr_sp); - - /* NOTREACHED - board_init_f_r_trampoline() does not return */ - while (1) - ; -} - -void board_init_f_r(void) -{ - do_init_loop(init_sequence_f_r); - - /* - * U-Boot has been copied into SDRAM, the BSS has been cleared etc. - * Transfer execution from Flash to RAM by calculating the address - * of the in-RAM copy of board_init_r() and calling it - */ - (board_init_r + gd->reloc_off)(gd, gd->relocaddr); - - /* NOTREACHED - board_init_r() does not return */ - while (1) - ; -} - -void board_init_r(gd_t *id, ulong dest_addr) -{ - do_init_loop(init_sequence_r); - - /* main_loop() can return to retry autoboot, if so just run it again. */ - for (;;) - main_loop(); - - /* NOTREACHED - no way out of command loop except booting */ -} diff --git a/arch/x86/lib/bootm.c b/arch/x86/lib/bootm.c index 83caf6bdbd780113862d8d80374412cc9ff3cef4..2520228b4caee000f580e461dcb9294d375b7cac 100644 --- a/arch/x86/lib/bootm.c +++ b/arch/x86/lib/bootm.c @@ -93,14 +93,6 @@ int do_bootm_linux(int flag, int argc, char * const argv[], goto error; } -#ifdef DEBUG - printf("## Transferring control to Linux (at address %08x) ...\n", - (u32)base_ptr); -#endif - - /* we assume that the kernel is in place */ - printf("\nStarting kernel ...\n\n"); - boot_zimage(base_ptr, load_address); /* does not return */ diff --git a/arch/x86/lib/cmd_boot.c b/arch/x86/lib/cmd_boot.c index a81a9a38a627fbd11d5ab441dabcea197634527d..315be5a60dff6b209d288865bb0f950a951aa304 100644 --- a/arch/x86/lib/cmd_boot.c +++ b/arch/x86/lib/cmd_boot.c @@ -36,6 +36,8 @@ #include #include +DECLARE_GLOBAL_DATA_PTR; + unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc, char * const argv[]) { diff --git a/arch/x86/lib/init_helpers.c b/arch/x86/lib/init_helpers.c index af9dbc146a3c7beef6f4adec33828d42cb270e3a..a57a0eb4682545b3b86dde61e297cc40c1ba82da 100644 --- a/arch/x86/lib/init_helpers.c +++ b/arch/x86/lib/init_helpers.c @@ -21,60 +21,12 @@ * MA 02111-1307 USA */ #include -#include #include -#include -#include -#include -#include -#include -#include #include -#include -#include #include -#include -#include - -#include DECLARE_GLOBAL_DATA_PTR; -/************************************************************************ - * Init Utilities * - ************************************************************************ - * Some of this code should be moved into the core functions, - * or dropped completely, - * but let's get it working (again) first... - */ - -int display_banner(void) -{ - printf("\n\n%s\n\n", version_string); - - return 0; -} - -int display_dram_config(void) -{ - int i; - - puts("DRAM Configuration:\n"); - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - printf("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start); - print_size(gd->bd->bi_dram[i].size, "\n"); - } - - return 0; -} - -int init_baudrate_f(void) -{ - gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); - return 0; -} - /* Get the top of usable RAM */ __weak ulong board_get_usable_ram_top(ulong total_size) { @@ -134,21 +86,6 @@ int init_cache_f_r(void) return init_cache(); } -int set_reloc_flag_r(void) -{ - gd->flags = GD_FLG_RELOC; - - return 0; -} - -int mem_malloc_init_r(void) -{ - mem_malloc_init(((gd->relocaddr - CONFIG_SYS_MALLOC_LEN)+3)&~3, - CONFIG_SYS_MALLOC_LEN); - - return 0; -} - bd_t bd_data; int init_bd_struct_r(void) @@ -159,39 +96,6 @@ int init_bd_struct_r(void) return 0; } -#ifndef CONFIG_SYS_NO_FLASH -int flash_init_r(void) -{ - ulong size; - - puts("Flash: "); - - /* configure available FLASH banks */ - size = flash_init(); - - print_size(size, "\n"); - - return 0; -} -#endif - -#ifdef CONFIG_STATUS_LED -int status_led_set_r(void) -{ - status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING); - - return 0; -} -#endif - -int set_load_addr_r(void) -{ - /* Initialize from environment */ - load_addr = getenv_ulong("loadaddr", 16, load_addr); - - return 0; -} - int init_func_spi(void) { puts("SPI: "); @@ -200,7 +104,6 @@ int init_func_spi(void) return 0; } -#ifdef CONFIG_OF_CONTROL int find_fdt(void) { #ifdef CONFIG_OF_EMBED @@ -227,4 +130,3 @@ int prepare_fdt(void) return 0; } -#endif diff --git a/arch/x86/lib/init_wrappers.c b/arch/x86/lib/init_wrappers.c deleted file mode 100644 index 19af875c0e0ee4951966615e0ad8ac103f4a7700..0000000000000000000000000000000000000000 --- a/arch/x86/lib/init_wrappers.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - * (C) Copyright 2011 - * Graeme Russ, - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -int serial_initialize_r(void) -{ - serial_initialize(); - - return 0; -} - -/* - * Tell if it's OK to load the environment early in boot. - * - * If CONFIG_OF_CONFIG is defined, we'll check with the FDT to see - * if this is OK (defaulting to saying it's not OK). - * - * NOTE: Loading the environment early can be a bad idea if security is - * important, since no verification is done on the environment. - * - * @return 0 if environment should not be loaded, !=0 if it is ok to load - */ -static int should_load_env(void) -{ -#ifdef CONFIG_OF_CONTROL - return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 0); -#elif defined CONFIG_DELAY_ENVIRONMENT - return 0; -#else - return 1; -#endif -} - -int env_relocate_r(void) -{ - /* initialize environment */ - if (should_load_env()) - env_relocate(); - else - set_default_env(NULL); - - return 0; -} - - -int pci_init_r(void) -{ - /* Do pci configuration */ - pci_init(); - - return 0; -} - -int jumptable_init_r(void) -{ - jumptable_init(); - - return 0; -} - -int pcmcia_init_r(void) -{ - puts("PCMCIA:"); - pcmcia_init(); - - return 0; -} - -int kgdb_init_r(void) -{ - puts("KGDB: "); - kgdb_init(); - - return 0; -} - -int enable_interrupts_r(void) -{ - /* enable exceptions */ - enable_interrupts(); - - return 0; -} - -int eth_initialize_r(void) -{ - puts("Net: "); - eth_initialize(gd->bd); - - return 0; -} - -int reset_phy_r(void) -{ -#ifdef DEBUG - puts("Reset Ethernet PHY\n"); -#endif - reset_phy(); - - return 0; -} - -int ide_init_r(void) -{ - puts("IDE: "); - ide_init(); - - return 0; -} - -int scsi_init_r(void) -{ - puts("SCSI: "); - scsi_init(); - - return 0; -} - -#ifdef CONFIG_BITBANGMII -int bb_miiphy_init_r(void) -{ - bb_miiphy_init(); - - return 0; -} -#endif - -#ifdef CONFIG_POST -int post_run_r(void) -{ - post_run(NULL, POST_RAM | post_bootmode_get(0)); - - return 0; -} -#endif diff --git a/arch/x86/lib/pcat_timer.c b/arch/x86/lib/pcat_timer.c index b0b6637f3a9ff119b150d1bdb1126d6df2f20f34..1ca3eb9e91875ae0f52db00fe1d44e918717ca0e 100644 --- a/arch/x86/lib/pcat_timer.c +++ b/arch/x86/lib/pcat_timer.c @@ -24,83 +24,20 @@ #include #include #include -#include -#include -#define TIMER0_VALUE 0x04aa /* 1kHz 1.9318MHz / 1000 */ #define TIMER2_VALUE 0x0a8e /* 440Hz */ -static int timer_init_done; - -int timer_init(void) +int pcat_timer_init(void) { - /* initialize timer 0 and 2 - * - * Timer 0 is used to increment system_tick 1000 times/sec - * Timer 1 was used for DRAM refresh in early PC's - * Timer 2 is used to drive the speaker + /* + * initialize 2, used to drive the speaker * (to start a beep: write 3 to port 0x61, * to stop it again: write 0) */ - outb(PIT_CMD_CTR0 | PIT_CMD_BOTH | PIT_CMD_MODE2, - PIT_BASE + PIT_COMMAND); - outb(TIMER0_VALUE & 0xff, PIT_BASE + PIT_T0); - outb(TIMER0_VALUE >> 8, PIT_BASE + PIT_T0); - outb(PIT_CMD_CTR2 | PIT_CMD_BOTH | PIT_CMD_MODE3, PIT_BASE + PIT_COMMAND); outb(TIMER2_VALUE & 0xff, PIT_BASE + PIT_T2); outb(TIMER2_VALUE >> 8, PIT_BASE + PIT_T2); - irq_install_handler(0, timer_isr, NULL); - unmask_irq(0); - - timer_init_done = 1; - return 0; } - -static u16 read_pit(void) -{ - u8 low; - - outb(PIT_CMD_LATCH, PIT_BASE + PIT_COMMAND); - low = inb(PIT_BASE + PIT_T0); - - return (inb(PIT_BASE + PIT_T0) << 8) | low; -} - -/* this is not very exact */ -void __udelay(unsigned long usec) -{ - int counter; - int wraps; - - if (timer_init_done) { - counter = read_pit(); - wraps = usec / 1000; - usec = usec % 1000; - - usec *= 1194; - usec /= 1000; - usec += counter; - - while (usec > 1194) { - usec -= 1194; - wraps++; - } - - while (1) { - int new_count = read_pit(); - - if (((new_count < usec) && !wraps) || wraps < 0) - break; - - if (new_count > counter) - wraps--; - - counter = new_count; - } - } - -} diff --git a/arch/x86/lib/pci.c b/arch/x86/lib/pci.c deleted file mode 100644 index 71878dd7dcbed21c6a4f1adf6bd4534c0be5bb36..0000000000000000000000000000000000000000 --- a/arch/x86/lib/pci.c +++ /dev/null @@ -1,188 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include - -#undef PCI_ROM_SCAN_VERBOSE - -int pci_shadow_rom(pci_dev_t dev, unsigned char *dest) -{ - struct pci_controller *hose; - int res = -1; - int i; - - u32 rom_addr; - u32 addr_reg; - u32 size; - - u16 vendor; - u16 device; - u32 class_code; - - u32 pci_data; - - hose = pci_bus_to_hose(PCI_BUS(dev)); - - debug("pci_shadow_rom() asked to shadow device %x to %x\n", - dev, (u32)dest); - - pci_read_config_word(dev, PCI_VENDOR_ID, &vendor); - pci_read_config_word(dev, PCI_DEVICE_ID, &device); - pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_code); - - class_code &= 0xffffff00; - class_code >>= 8; - - debug("PCI Header Vendor %04x device %04x class %06x\n", - vendor, device, class_code); - - /* Enable the rom addess decoder */ - pci_write_config_dword(dev, PCI_ROM_ADDRESS, (u32)PCI_ROM_ADDRESS_MASK); - pci_read_config_dword(dev, PCI_ROM_ADDRESS, &addr_reg); - - if (!addr_reg) { - /* register unimplemented */ - printf("pci_chadow_rom: device do not seem to have a rom\n"); - return -1; - } - - size = (~(addr_reg&PCI_ROM_ADDRESS_MASK)) + 1; - - debug("ROM is %d bytes\n", size); - - rom_addr = pci_get_rom_window(hose, size); - - debug("ROM mapped at %x\n", rom_addr); - - pci_write_config_dword(dev, PCI_ROM_ADDRESS, - pci_phys_to_mem(dev, rom_addr) - |PCI_ROM_ADDRESS_ENABLE); - - - for (i = rom_addr; i < rom_addr + size; i += 512) { - if (readw(i) == 0xaa55) { -#ifdef PCI_ROM_SCAN_VERBOSE - printf("ROM signature found\n"); -#endif - pci_data = readw(0x18 + i); - pci_data += i; - - if (0 == memcmp((void *)pci_data, "PCIR", 4)) { -#ifdef PCI_ROM_SCAN_VERBOSE - printf("Fount PCI rom image at offset %d\n", - i - rom_addr); - printf("Vendor %04x device %04x class %06x\n", - readw(pci_data + 4), readw(pci_data + 6), - readl(pci_data + 0x0d) & 0xffffff); - printf("%s\n", - (readw(pci_data + 0x15) & 0x80) ? - "Last image" : "More images follow"); - switch (readb(pci_data + 0x14)) { - case 0: - printf("X86 code\n"); - break; - case 1: - printf("Openfirmware code\n"); - break; - case 2: - printf("PARISC code\n"); - break; - } - printf("Image size %d\n", - readw(pci_data + 0x10) * 512); -#endif - /* - * FixMe: I think we should compare the class - * code bytes as well but I have no reference - * on the exact order of these bytes in the PCI - * ROM header - */ - if (readw(pci_data + 4) == vendor && - readw(pci_data + 6) == device && - readb(pci_data + 0x14) == 0) { -#ifdef PCI_ROM_SCAN_VERBOSE - printf("Suitable ROM image found\n"); -#endif - memmove(dest, (void *)rom_addr, - readw(pci_data + 0x10) * 512); - res = 0; - break; - - } - - if (readw(pci_data + 0x15) & 0x80) - break; - } - } - - } - -#ifdef PCI_ROM_SCAN_VERBOSE - if (res) - printf("No suitable image found\n"); -#endif - /* disable PAR register and PCI device ROM address devocer */ - pci_remove_rom_window(hose, rom_addr); - - pci_write_config_dword(dev, PCI_ROM_ADDRESS, 0); - - return res; -} - -#ifdef PCI_BIOS_DEBUG - -void print_bios_bios_stat(void) -{ - printf("16 bit functions:\n"); - printf("pci_bios_present: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_present)); - printf("pci_bios_find_device: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_find_device)); - printf("pci_bios_find_class: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_find_class)); - printf("pci_bios_generate_special_cycle: %d\n", - RELOC_16_LONG(0xf000, - num_pci_bios_generate_special_cycle)); - printf("pci_bios_read_cfg_byte: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_read_cfg_byte)); - printf("pci_bios_read_cfg_word: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_read_cfg_word)); - printf("pci_bios_read_cfg_dword: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_read_cfg_dword)); - printf("pci_bios_write_cfg_byte: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_write_cfg_byte)); - printf("pci_bios_write_cfg_word: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_write_cfg_word)); - printf("pci_bios_write_cfg_dword: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_write_cfg_dword)); - printf("pci_bios_get_irq_routing: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_get_irq_routing)); - printf("pci_bios_set_irq: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_set_irq)); - printf("pci_bios_unknown_function: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_unknown_function)); -} -#endif diff --git a/arch/x86/lib/physmem.c b/arch/x86/lib/physmem.c index 18f0e62acd0fa2b1473ca0ff41007f09eebe3c64..59b3fe977d81daf00b4f9cbdeccfb956050b8614 100644 --- a/arch/x86/lib/physmem.c +++ b/arch/x86/lib/physmem.c @@ -12,6 +12,8 @@ #include #include +DECLARE_GLOBAL_DATA_PTR; + /* Large pages are 2MB. */ #define LARGE_PAGE_SIZE ((1 << 20) * 2) diff --git a/arch/x86/lib/relocate.c b/arch/x86/lib/relocate.c index f178db9c81ccf4d7d55ec2310e5ecb1f21fbadbd..21982db7a94bc09fc2a4855563e70e9b521b594e 100644 --- a/arch/x86/lib/relocate.c +++ b/arch/x86/lib/relocate.c @@ -39,6 +39,8 @@ #include #include +DECLARE_GLOBAL_DATA_PTR; + int copy_uboot_to_ram(void) { size_t len = (size_t)&__data_end - (size_t)&__text_start; diff --git a/arch/x86/lib/timer.c b/arch/x86/lib/timer.c deleted file mode 100644 index 1f8ce609e2e4b402b4660619d179c4cc516015cb..0000000000000000000000000000000000000000 --- a/arch/x86/lib/timer.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * (C) Copyright 2008,2009 - * Graeme Russ, - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include - -struct timer_isr_function { - struct timer_isr_function *next; - timer_fnc_t *isr_func; -}; - -static struct timer_isr_function *first_timer_isr; -static unsigned long system_ticks; - -/* - * register_timer_isr() allows multiple architecture and board specific - * functions to be called every millisecond. Keep the execution time of - * each function as low as possible - */ -int register_timer_isr(timer_fnc_t *isr_func) -{ - struct timer_isr_function *new_func; - struct timer_isr_function *temp; - int flag; - - new_func = malloc(sizeof(struct timer_isr_function)); - - if (new_func == NULL) - return 1; - - new_func->isr_func = isr_func; - new_func->next = NULL; - - /* - * Don't allow timer interrupts while the - * linked list is being modified - */ - flag = disable_interrupts(); - - if (first_timer_isr == NULL) { - first_timer_isr = new_func; - } else { - temp = first_timer_isr; - while (temp->next != NULL) - temp = temp->next; - temp->next = new_func; - } - - if (flag) - enable_interrupts(); - - return 0; -} - -/* - * timer_isr() MUST be the registered interrupt handler for - */ -void timer_isr(void *unused) -{ - struct timer_isr_function *temp = first_timer_isr; - - system_ticks++; - - /* Execute each registered function */ - while (temp != NULL) { - temp->isr_func(); - temp = temp->next; - } -} - -ulong get_timer(ulong base) -{ - return system_ticks - base; -} - -void timer_set_tsc_base(uint64_t new_base) -{ - gd->arch.tsc_base = new_base; -} - -uint64_t timer_get_tsc(void) -{ - uint64_t time_now; - - time_now = rdtsc(); - if (!gd->arch.tsc_base) - gd->arch.tsc_base = time_now; - - return time_now - gd->arch.tsc_base; -} diff --git a/arch/x86/lib/tsc_timer.c b/arch/x86/lib/tsc_timer.c new file mode 100644 index 0000000000000000000000000000000000000000..c509801f9e8dee6539ac335e870748eb165aa62c --- /dev/null +++ b/arch/x86/lib/tsc_timer.c @@ -0,0 +1,107 @@ +/* + * Copyright (c) 2012 The Chromium OS Authors. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +void timer_set_base(u64 base) +{ + gd->arch.tsc_base = base; +} + +/* + * Get the number of CPU time counter ticks since it was read first time after + * restart. This yields a free running counter guaranteed to take almost 6 + * years to wrap around even at 100GHz clock rate. + */ +u64 get_ticks(void) +{ + u64 now_tick = rdtsc(); + + /* We assume that 0 means the base hasn't been set yet */ + if (!gd->arch.tsc_base) + panic("No tick base available"); + return now_tick - gd->arch.tsc_base; +} + +#define PLATFORM_INFO_MSR 0xce + +/* Get the speed of the TSC timer in MHz */ +unsigned long get_tbclk_mhz(void) +{ + u32 ratio; + u64 platform_info = native_read_msr(PLATFORM_INFO_MSR); + + /* 100MHz times Max Non Turbo ratio */ + ratio = (platform_info >> 8) & 0xff; + return 100 * ratio; +} + +unsigned long get_tbclk(void) +{ + return get_tbclk_mhz() * 1000 * 1000; +} + +static ulong get_ms_timer(void) +{ + return (get_ticks() * 1000) / get_tbclk(); +} + +ulong get_timer(ulong base) +{ + return get_ms_timer() - base; +} + +ulong timer_get_us(void) +{ + return get_ticks() / get_tbclk_mhz(); +} + +ulong timer_get_boot_us(void) +{ + return timer_get_us(); +} + +void __udelay(unsigned long usec) +{ + u64 now = get_ticks(); + u64 stop; + + stop = now + usec * get_tbclk_mhz(); + + while ((int64_t)(stop - get_ticks()) > 0) + ; +} + +int timer_init(void) +{ +#ifdef CONFIG_SYS_PCAT_TIMER + /* Set up the PCAT timer if required */ + pcat_timer_init(); +#endif + + return 0; +} diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c index 4e9e1f77e5ac35bda83ff2fe8b23c0e9970c9859..b54cf1261f71b35eb074bf50f3b9bc3f33dd369c 100644 --- a/arch/x86/lib/zimage.c +++ b/arch/x86/lib/zimage.c @@ -283,6 +283,13 @@ __weak void board_final_cleanup(void) void boot_zimage(void *setup_base, void *load_address) { + debug("## Transferring control to Linux (at address %08x) ...\n", + (u32)setup_base); + + bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel"); +#ifdef CONFIG_BOOTSTAGE_REPORT + bootstage_report(); +#endif board_final_cleanup(); printf("\nStarting kernel ...\n\n"); @@ -363,10 +370,6 @@ int do_zboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) return -1; } - printf("## Transferring control to Linux " - "(at address %08x) ...\n", - (u32)base_ptr); - /* we assume that the kernel is in place */ boot_zimage(base_ptr, load_address); /* does not return */ diff --git a/common/board_r.c b/common/board_r.c index f801e411030abad9bf21b2acb1beb8f28ff650f9..fd1fd319b6351cfce2c4dff0b6a4860259d7b3e8 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -765,6 +765,7 @@ init_fnc_t init_sequence_r[] = { #endif initr_barrier, initr_malloc, + bootstage_relocate, #ifdef CONFIG_ARCH_EARLY_INIT_R arch_early_init_r, #endif diff --git a/common/bootstage.c b/common/bootstage.c index a1e09394cc5ba7818dae77893c1c2175b5b7bdb3..c5c69961acc91dd8590968598deff5ba69def306 100644 --- a/common/bootstage.c +++ b/common/bootstage.c @@ -30,6 +30,8 @@ #include #include +#include +#include DECLARE_GLOBAL_DATA_PTR; @@ -56,6 +58,21 @@ struct bootstage_hdr { uint32_t magic; /* Unused */ }; +int bootstage_relocate(void) +{ + int i; + + /* + * Duplicate all strings. They may point to an old location in the + * program .text section that can eventually get trashed. + */ + for (i = 0; i < BOOTSTAGE_ID_COUNT; i++) + if (record[i].name) + record[i].name = strdup(record[i].name); + + return 0; +} + ulong bootstage_add_record(enum bootstage_id id, const char *name, int flags, ulong mark) { @@ -102,6 +119,33 @@ ulong bootstage_mark_name(enum bootstage_id id, const char *name) return bootstage_add_record(id, name, flags, timer_get_boot_us()); } +ulong bootstage_mark_code(const char *file, const char *func, int linenum) +{ + char *str, *p; + __maybe_unused char *end; + int len = 0; + + /* First work out the length we need to allocate */ + if (linenum != -1) + len = 11; + if (func) + len += strlen(func); + if (file) + len += strlen(file); + + str = malloc(len + 1); + p = str; + end = p + len; + if (file) + p += snprintf(p, end - p, "%s,", file); + if (linenum != -1) + p += snprintf(p, end - p, "%d", linenum); + if (func) + p += snprintf(p, end - p, ": %s", func); + + return bootstage_mark_name(BOOTSTAGE_ID_ALLOC, str); +} + uint32_t bootstage_start(enum bootstage_id id, const char *name) { struct bootstage_record *rec = &record[id]; diff --git a/common/cmd_ximg.c b/common/cmd_ximg.c index ea0a26e7845c39091646d702a4808e3bbabb501e..02084b0204008b57f0ba2b96664a1a281f159c41 100644 --- a/common/cmd_ximg.c +++ b/common/cmd_ximg.c @@ -58,7 +58,9 @@ do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) const void *fit_data; size_t fit_len; #endif +#ifdef CONFIG_GZIP uint unc_len = CONFIG_SYS_XIMG_LEN; +#endif uint8_t comp; verify = getenv_yesno("verify"); diff --git a/include/bootstage.h b/include/bootstage.h index 3b2216b8a8c8316df3dec35153947087623a905c..0f44e71fe24ad447ad7e5af123fcb2f919f68ce3 100644 --- a/include/bootstage.h +++ b/include/bootstage.h @@ -236,6 +236,16 @@ void show_boot_progress(int val); #if defined(CONFIG_BOOTSTAGE) && !defined(CONFIG_SPL_BUILD) /* This is the full bootstage implementation */ +/** + * Relocate existing bootstage records + * + * Call this after relocation has happened and after malloc has been initted. + * We need to copy any pointers in bootstage records that were added pre- + * relocation, since memory can be overritten later. + * @return Always returns 0, to indicate success + */ +int bootstage_relocate(void); + /** * Add a new bootstage record * @@ -256,6 +266,19 @@ ulong bootstage_error(enum bootstage_id id); ulong bootstage_mark_name(enum bootstage_id id, const char *name); +/** + * Mark a time stamp in the given function and line number + * + * See BOOTSTAGE_MARKER() for a convenient macro. + * + * @param file Filename to record (NULL if none) + * @param func Function name to record + * @param linenum Line number to record + * @return recorded time stamp + */ +ulong bootstage_mark_code(const char *file, const char *func, + int linenum); + /** * Mark the start of a bootstage activity. The end will be marked later with * bootstage_accum() and at that point we accumulate the time taken. Calling @@ -315,11 +338,22 @@ int bootstage_stash(void *base, int size); int bootstage_unstash(void *base, int size); #else +static inline ulong bootstage_add_record(enum bootstage_id id, + const char *name, int flags, ulong mark) +{ + return 0; +} + /* * This is a dummy implementation which just calls show_boot_progress(), * and won't even do that unless CONFIG_SHOW_BOOT_PROGRESS is defined */ +static inline int bootstage_relocate(void) +{ + return 0; +} + static inline ulong bootstage_mark(enum bootstage_id id) { show_boot_progress(id); @@ -337,6 +371,22 @@ static inline ulong bootstage_mark_name(enum bootstage_id id, const char *name) return 0; } +static inline ulong bootstage_mark_code(const char *file, const char *func, + int linenum) +{ + return 0; +} + +static inline uint32_t bootstage_start(enum bootstage_id id, const char *name) +{ + return 0; +} + +static inline uint32_t bootstage_accum(enum bootstage_id id) +{ + return 0; +} + static inline int bootstage_stash(void *base, int size) { return 0; /* Pretend to succeed */ @@ -348,4 +398,8 @@ static inline int bootstage_unstash(void *base, int size) } #endif /* CONFIG_BOOTSTAGE */ +/* Helper macro for adding a bootstage to a line of code */ +#define BOOTSTAGE_MARKER() \ + bootstage_mark_code(__FILE__, __func__, __LINE__) + #endif diff --git a/include/configs/coreboot.h b/include/configs/coreboot.h index 5bacc77bb50dcf7602e4cb9b5ea0c1a08eebed87..be04a7548a7971fa40a11fbc95ff0d6f908babf5 100644 --- a/include/configs/coreboot.h +++ b/include/configs/coreboot.h @@ -38,7 +38,6 @@ #define CONFIG_SHOW_BOOT_PROGRESS #define CONFIG_LAST_STAGE_INIT #define CONFIG_SYS_VSNPRINTF -#define CONFIG_INTEL_CORE_ARCH /* Sandy bridge and ivy bridge chipsets. */ #define CONFIG_ZBOOT_32 #define CONFIG_PHYSMEM #define CONFIG_SYS_EARLY_PCI_INIT @@ -49,6 +48,19 @@ #define CONFIG_OF_SEPARATE #define CONFIG_DEFAULT_DEVICE_TREE link +#define CONFIG_BOOTSTAGE +#define CONFIG_BOOTSTAGE_REPORT +#define CONFIG_BOOTSTAGE_FDT +#define CONFIG_CMD_BOOTSTAGE +/* Place to stash bootstage data from first-stage U-Boot */ +#define CONFIG_BOOTSTAGE_STASH 0x0110f000 +#define CONFIG_BOOTSTAGE_STASH_SIZE 0x7fc +#define CONFIG_BOOTSTAGE_USER_COUNT 60 + +#define CONFIG_LZO +#undef CONFIG_ZLIB +#undef CONFIG_GZIP + /*----------------------------------------------------------------------- * Watchdog Configuration */ @@ -218,7 +230,6 @@ #define CONFIG_SYS_MEMTEST_END 0x01000000 #define CONFIG_SYS_LOAD_ADDR 0x100000 #define CONFIG_SYS_HZ 1000 -#define CONFIG_SYS_X86_ISR_TIMER /*----------------------------------------------------------------------- * SDRAM Configuration @@ -235,8 +246,9 @@ * CPU Features */ -#define CONFIG_SYS_GENERIC_TIMER +#define CONFIG_SYS_X86_TSC_TIMER #define CONFIG_SYS_PCAT_INTERRUPTS +#define CONFIG_SYS_PCAT_TIMER #define CONFIG_SYS_NUM_IRQS 16 /*-----------------------------------------------------------------------