diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/init_helpers.h | 9 | ||||
| -rw-r--r-- | arch/x86/include/asm/init_wrappers.h | 42 | ||||
| -rw-r--r-- | arch/x86/include/asm/u-boot.h | 32 | ||||
| -rw-r--r-- | arch/x86/lib/Makefile | 5 | ||||
| -rw-r--r-- | arch/x86/lib/board.c | 266 | ||||
| -rw-r--r-- | arch/x86/lib/init_helpers.c | 98 | ||||
| -rw-r--r-- | arch/x86/lib/init_wrappers.c | 164 |
7 files changed, 0 insertions, 616 deletions
diff --git a/arch/x86/include/asm/init_helpers.h b/arch/x86/include/asm/init_helpers.h index d018b290c1b..0a6a6755d22 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 899ffb15446..00000000000 --- a/arch/x86/include/asm/init_wrappers.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * (C) Copyright 2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * 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/u-boot.h b/arch/x86/include/asm/u-boot.h index df759faec40..006232bcf8d 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 <config.h> -#include <compiler.h> - -#ifdef CONFIG_SYS_GENERIC_BOARD /* Use the generic board which requires a unified bd_info */ #include <asm-generic/u-boot.h> -#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 9c6b621af23..962593db46a 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -25,15 +25,10 @@ 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 diff --git a/arch/x86/lib/board.c b/arch/x86/lib/board.c deleted file mode 100644 index 228c2c82261..00000000000 --- a/arch/x86/lib/board.c +++ /dev/null @@ -1,266 +0,0 @@ -/* - * (C) Copyright 2008-2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * 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 <common.h> -#include <fdtdec.h> -#include <watchdog.h> -#include <stdio_dev.h> -#include <asm/u-boot-x86.h> -#include <asm/relocate.h> -#include <asm/processor.h> -#include <asm/sections.h> - -#include <asm/init_helpers.h> -#include <asm/init_wrappers.h> - -/* - * 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/init_helpers.c b/arch/x86/lib/init_helpers.c index af9dbc146a3..a57a0eb4682 100644 --- a/arch/x86/lib/init_helpers.c +++ b/arch/x86/lib/init_helpers.c @@ -21,60 +21,12 @@ * MA 02111-1307 USA */ #include <common.h> -#include <command.h> #include <fdtdec.h> -#include <stdio_dev.h> -#include <version.h> -#include <malloc.h> -#include <net.h> -#include <ide.h> -#include <serial.h> #include <spi.h> -#include <status_led.h> -#include <asm/processor.h> #include <asm/sections.h> -#include <asm/u-boot-x86.h> -#include <linux/compiler.h> - -#include <asm/init_helpers.h> 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 19af875c0e0..00000000000 --- a/arch/x86/lib/init_wrappers.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - * (C) Copyright 2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * 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 <common.h> -#include <environment.h> -#include <fdtdec.h> -#include <serial.h> -#include <kgdb.h> -#include <scsi.h> -#include <post.h> -#include <miiphy.h> - -#include <asm/init_wrappers.h> - -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 |