diff options
Diffstat (limited to 'arch/arm/lib')
| -rw-r--r-- | arch/arm/lib/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/lib/board.c | 687 |
2 files changed, 0 insertions, 690 deletions
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index f717103526..2bdfaba5b7 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -22,9 +22,6 @@ obj-y += relocate_64.o else obj-y += relocate.o endif -ifndef CONFIG_SYS_GENERIC_BOARD -obj-y += board.o -endif obj-$(CONFIG_CPU_V7M) += cmd_boot.o obj-$(CONFIG_OF_LIBFDT) += bootm-fdt.o diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c deleted file mode 100644 index 37ea6e90ec..0000000000 --- a/arch/arm/lib/board.c +++ /dev/null @@ -1,687 +0,0 @@ -/* - * (C) Copyright 2002-2006 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * To match the U-Boot user interface on ARM platforms to the U-Boot - * standard (as on PPC platforms), some messages with debug character - * are removed from the default U-Boot build. - * - * Define DEBUG here if you want additional info as shown below - * printed upon startup: - * - * U-Boot code: 00F00000 -> 00F3C774 BSS: -> 00FC3274 - * IRQ Stack: 00ebff7c - * FIQ Stack: 00ebef7c - */ - -#include <common.h> -#include <command.h> -#include <environment.h> -#include <malloc.h> -#include <stdio_dev.h> -#include <version.h> -#include <net.h> -#include <serial.h> -#include <nand.h> -#include <onenand_uboot.h> -#include <mmc.h> -#include <scsi.h> -#include <status_led.h> -#include <libfdt.h> -#include <fdtdec.h> -#include <post.h> -#include <logbuff.h> -#include <asm/sections.h> - -#ifdef CONFIG_BITBANGMII -#include <miiphy.h> -#endif - -DECLARE_GLOBAL_DATA_PTR; - -ulong monitor_flash_len; - -#ifdef CONFIG_HAS_DATAFLASH -extern int AT91F_DataflashInit(void); -extern void dataflash_print_info(void); -#endif - -#if defined(CONFIG_HARD_I2C) || \ - defined(CONFIG_SYS_I2C) -#include <i2c.h> -#endif - -/************************************************************************ - * Coloured LED functionality - ************************************************************************ - * May be supplied by boards if desired - */ -__weak void coloured_LED_init(void) {} -__weak void red_led_on(void) {} -__weak void red_led_off(void) {} -__weak void green_led_on(void) {} -__weak void green_led_off(void) {} -__weak void yellow_led_on(void) {} -__weak void yellow_led_off(void) {} -__weak void blue_led_on(void) {} -__weak void blue_led_off(void) {} - -/* - ************************************************************************ - * Init Utilities * - ************************************************************************ - * Some of this code should be moved into the core functions, - * or dropped completely, - * but let's get it working (again) first... - */ - -#if defined(CONFIG_ARM_DCC) && !defined(CONFIG_BAUDRATE) -#define CONFIG_BAUDRATE 115200 -#endif - -static int init_baudrate(void) -{ - gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); - return 0; -} - -static int display_banner(void) -{ - printf("\n\n%s\n\n", version_string); - debug("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n", - (ulong)&_start, - (ulong)&__bss_start, (ulong)&__bss_end); -#ifdef CONFIG_MODEM_SUPPORT - debug("Modem Support enabled\n"); -#endif -#ifdef CONFIG_USE_IRQ - debug("IRQ Stack: %08lx\n", IRQ_STACK_START); - debug("FIQ Stack: %08lx\n", FIQ_STACK_START); -#endif - - return (0); -} - -/* - * WARNING: this code looks "cleaner" than the PowerPC version, but - * has the disadvantage that you either get nothing, or everything. - * On PowerPC, you might see "DRAM: " before the system hangs - which - * gives a simple yet clear indication which part of the - * initialization if failing. - */ -static int display_dram_config(void) -{ - int i; - -#ifdef DEBUG - puts("RAM 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"); - } -#else - ulong size = 0; - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) - size += gd->bd->bi_dram[i].size; - - puts("DRAM: "); - print_size(size, "\n"); -#endif - - return (0); -} - -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) -static int init_func_i2c(void) -{ - puts("I2C: "); -#ifdef CONFIG_SYS_I2C - i2c_init_all(); -#else - i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); -#endif - puts("ready\n"); - return (0); -} -#endif - -#if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI) -#include <pci.h> -static int arm_pci_init(void) -{ - pci_init(); - return 0; -} -#endif /* CONFIG_CMD_PCI || CONFIG_PCI */ - -/* - * Breathe some life into the board... - * - * Initialize a serial port as console, and carry out some hardware - * tests. - * - * The first part of initialization is running from Flash memory; - * its main purpose is to initialize the RAM so that we - * can relocate the monitor code to RAM. - */ - -/* - * All attempts to come up with a "common" initialization sequence - * that works for all boards and architectures failed: some of the - * requirements are just _too_ different. To get rid of the resulting - * mess of board dependent #ifdef'ed code we now make the whole - * initialization sequence configurable to the user. - * - * The requirements for any new initalization function is simple: it - * receives a pointer to the "global data" structure as it's only - * argument, and returns an integer return code, where 0 means - * "continue" and != 0 means "fatal error, hang the system". - */ -typedef int (init_fnc_t) (void); - -__weak void dram_init_banksize(void) -{ - gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; - gd->bd->bi_dram[0].size = gd->ram_size; -} - -__weak int arch_cpu_init(void) -{ - return 0; -} - -__weak int power_init_board(void) -{ - return 0; -} - - /* Record the board_init_f() bootstage (after arch_cpu_init()) */ -static int mark_bootstage(void) -{ - bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f"); - - return 0; -} - -init_fnc_t *init_sequence[] = { - arch_cpu_init, /* basic arch cpu dependent setup */ - mark_bootstage, -#ifdef CONFIG_OF_CONTROL - fdtdec_check_fdt, -#endif -#if defined(CONFIG_BOARD_EARLY_INIT_F) - board_early_init_f, -#endif - timer_init, /* initialize timer */ -#ifdef CONFIG_BOARD_POSTCLK_INIT - board_postclk_init, -#endif -#ifdef CONFIG_FSL_ESDHC - get_clocks, -#endif - env_init, /* initialize environment */ - init_baudrate, /* initialze baudrate settings */ - serial_init, /* serial communications setup */ - console_init_f, /* stage 1 init of console */ - display_banner, /* say that we are here */ - print_cpuinfo, /* display cpu info (and speed) */ -#if defined(CONFIG_DISPLAY_BOARDINFO) - checkboard, /* display board info */ -#endif -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) - init_func_i2c, -#endif - dram_init, /* configure available RAM banks */ - NULL, -}; - -void board_init_f(ulong bootflag) -{ - bd_t *bd; - init_fnc_t **init_fnc_ptr; - gd_t *id; - ulong addr, addr_sp; -#ifdef CONFIG_PRAM - ulong reg; -#endif - void *new_fdt = NULL; - size_t fdt_size = 0; - - memset((void *)gd, 0, sizeof(gd_t)); - - gd->mon_len = (ulong)&__bss_end - (ulong)_start; -#ifdef CONFIG_OF_EMBED - /* Get a pointer to the FDT */ - gd->fdt_blob = __dtb_dt_begin; -#elif defined CONFIG_OF_SEPARATE - /* FDT is at end of image */ - gd->fdt_blob = &_end; -#endif - /* Allow the early environment to override the fdt address */ - gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16, - (uintptr_t)gd->fdt_blob); - - for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { - if ((*init_fnc_ptr)() != 0) { - hang (); - } - } - -#ifdef CONFIG_OF_CONTROL - /* For now, put this check after the console is ready */ - if (fdtdec_prepare_fdt()) { - panic("** CONFIG_OF_CONTROL defined but no FDT - please see " - "doc/README.fdt-control"); - } -#endif - - debug("monitor len: %08lX\n", gd->mon_len); - /* - * Ram is setup, size stored in gd !! - */ - debug("ramsize: %08lX\n", gd->ram_size); -#if defined(CONFIG_SYS_MEM_TOP_HIDE) - /* - * Subtract specified amount of memory to hide so that it won't - * get "touched" at all by U-Boot. By fixing up gd->ram_size - * the Linux kernel should now get passed the now "corrected" - * memory size and won't touch it either. This should work - * for arch/ppc and arch/powerpc. Only Linux board ports in - * arch/powerpc with bootwrapper support, that recalculate the - * memory size from the SDRAM controller setup will have to - * get fixed. - */ - gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE; -#endif - - addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize(); - -#ifdef CONFIG_LOGBUFFER -#ifndef CONFIG_ALT_LB_ADDR - /* reserve kernel log buffer */ - addr -= (LOGBUFF_RESERVE); - debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, - addr); -#endif -#endif - -#ifdef CONFIG_PRAM - /* - * reserve protected RAM - */ - reg = getenv_ulong("pram", 10, CONFIG_PRAM); - addr -= (reg << 10); /* size is in kB */ - debug("Reserving %ldk for protected RAM at %08lx\n", reg, addr); -#endif /* CONFIG_PRAM */ - -#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) - /* reserve TLB table */ - gd->arch.tlb_size = PGTABLE_SIZE; - addr -= gd->arch.tlb_size; - - /* round down to next 64 kB limit */ - addr &= ~(0x10000 - 1); - - gd->arch.tlb_addr = addr; - debug("TLB table from %08lx to %08lx\n", addr, addr + gd->arch.tlb_size); -#endif - - /* round down to next 4 kB limit */ - addr &= ~(4096 - 1); - debug("Top of RAM usable for U-Boot at: %08lx\n", addr); - -#ifdef CONFIG_LCD -#ifdef CONFIG_FB_ADDR - gd->fb_base = CONFIG_FB_ADDR; -#else - /* reserve memory for LCD display (always full pages) */ - addr = lcd_setmem(addr); - gd->fb_base = addr; -#endif /* CONFIG_FB_ADDR */ -#endif /* CONFIG_LCD */ - - /* - * reserve memory for U-Boot code, data & bss - * round down to next 4 kB limit - */ - addr -= gd->mon_len; - addr &= ~(4096 - 1); - - debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr); - -#ifndef CONFIG_SPL_BUILD - /* - * reserve memory for malloc() arena - */ - addr_sp = addr - TOTAL_MALLOC_LEN; - debug("Reserving %dk for malloc() at: %08lx\n", - TOTAL_MALLOC_LEN >> 10, addr_sp); - /* - * (permanently) allocate a Board Info struct - * and a permanent copy of the "global" data - */ - addr_sp -= sizeof (bd_t); - bd = (bd_t *) addr_sp; - gd->bd = bd; - debug("Reserving %zu Bytes for Board Info at: %08lx\n", - sizeof (bd_t), addr_sp); - -#ifdef CONFIG_MACH_TYPE - gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */ -#endif - - addr_sp -= sizeof (gd_t); - id = (gd_t *) addr_sp; - debug("Reserving %zu Bytes for Global Data at: %08lx\n", - sizeof (gd_t), addr_sp); - -#if defined(CONFIG_OF_SEPARATE) && defined(CONFIG_OF_CONTROL) - /* - * If the device tree is sitting immediate above our image then we - * must relocate it. If it is embedded in the data section, then it - * will be relocated with other data. - */ - if (gd->fdt_blob) { - fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32); - - addr_sp -= fdt_size; - new_fdt = (void *)addr_sp; - debug("Reserving %zu Bytes for FDT at: %08lx\n", - fdt_size, addr_sp); - } -#endif - -#ifndef CONFIG_ARM64 - /* setup stackpointer for exeptions */ - gd->irq_sp = addr_sp; -#ifdef CONFIG_USE_IRQ - addr_sp -= (CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ); - debug("Reserving %zu Bytes for IRQ stack at: %08lx\n", - CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp); -#endif - /* leave 3 words for abort-stack */ - addr_sp -= 12; - - /* 8-byte alignment for ABI compliance */ - addr_sp &= ~0x07; -#else /* CONFIG_ARM64 */ - /* 16-byte alignment for ABI compliance */ - addr_sp &= ~0x0f; -#endif /* CONFIG_ARM64 */ -#else - addr_sp += 128; /* leave 32 words for abort-stack */ - gd->irq_sp = addr_sp; -#endif - - debug("New Stack Pointer is: %08lx\n", addr_sp); - -#ifdef CONFIG_POST - post_bootmode_init(); - post_run(NULL, POST_ROM | post_bootmode_get(0)); -#endif - - /* Ram ist board specific, so move it to board code ... */ - dram_init_banksize(); - display_dram_config(); /* and display it */ - - gd->relocaddr = addr; - gd->start_addr_sp = addr_sp; - gd->reloc_off = addr - (ulong)&_start; - debug("relocation Offset is: %08lx\n", gd->reloc_off); - if (new_fdt) { - memcpy(new_fdt, gd->fdt_blob, fdt_size); - gd->fdt_blob = new_fdt; - } - memcpy(id, (void *)gd, sizeof(gd_t)); -} - -#if !defined(CONFIG_SYS_NO_FLASH) -static char *failed = "*** failed ***\n"; -#endif - -/* - * 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", 1); -#elif defined CONFIG_DELAY_ENVIRONMENT - return 0; -#else - return 1; -#endif -} - -#if defined(CONFIG_DISPLAY_BOARDINFO_LATE) && defined(CONFIG_OF_CONTROL) -static void display_fdt_model(const void *blob) -{ - const char *model; - - model = (char *)fdt_getprop(blob, 0, "model", NULL); - printf("Model: %s\n", model ? model : "<unknown>"); -} -#endif - -/************************************************************************ - * - * This is the next part if the initialization sequence: we are now - * running from RAM and have a "normal" C environment, i. e. global - * data can be written, BSS has been cleared, the stack size in not - * that critical any more, etc. - * - ************************************************************************ - */ - -void board_init_r(gd_t *id, ulong dest_addr) -{ - ulong malloc_start; -#if !defined(CONFIG_SYS_NO_FLASH) - ulong flash_size; -#endif - - gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ - bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r"); - - monitor_flash_len = (ulong)&__rel_dyn_end - (ulong)_start; - - /* Enable caches */ - enable_caches(); - - debug("monitor flash len: %08lX\n", monitor_flash_len); - board_init(); /* Setup chipselects */ - /* - * TODO: printing of the clock inforamtion of the board is now - * implemented as part of bdinfo command. Currently only support for - * davinci SOC's is added. Remove this check once all the board - * implement this. - */ -#ifdef CONFIG_CLOCKS - set_cpu_clk_info(); /* Setup clock information */ -#endif - serial_initialize(); - - debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr); - -#ifdef CONFIG_LOGBUFFER - logbuff_init_ptrs(); -#endif -#ifdef CONFIG_POST - post_output_backlog(); -#endif - - /* The Malloc area is immediately below the monitor copy in DRAM */ - malloc_start = dest_addr - TOTAL_MALLOC_LEN; - mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN); - -#ifdef CONFIG_ARCH_EARLY_INIT_R - arch_early_init_r(); -#endif - power_init_board(); - -#if !defined(CONFIG_SYS_NO_FLASH) - puts("Flash: "); - - flash_size = flash_init(); - if (flash_size > 0) { -# ifdef CONFIG_SYS_FLASH_CHECKSUM - print_size(flash_size, ""); - /* - * Compute and print flash CRC if flashchecksum is set to 'y' - * - * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX - */ - if (getenv_yesno("flashchecksum") == 1) { - printf(" CRC: %08X", crc32(0, - (const unsigned char *) CONFIG_SYS_FLASH_BASE, - flash_size)); - } - putc('\n'); -# else /* !CONFIG_SYS_FLASH_CHECKSUM */ - print_size(flash_size, "\n"); -# endif /* CONFIG_SYS_FLASH_CHECKSUM */ - } else { - puts(failed); - hang(); - } -#endif - -#if defined(CONFIG_CMD_NAND) - puts("NAND: "); - nand_init(); /* go init the NAND */ -#endif - -#if defined(CONFIG_CMD_ONENAND) - onenand_init(); -#endif - -#ifdef CONFIG_GENERIC_MMC - puts("MMC: "); - mmc_initialize(gd->bd); -#endif - -#ifdef CONFIG_CMD_SCSI - puts("SCSI: "); - scsi_init(); -#endif - -#ifdef CONFIG_HAS_DATAFLASH - AT91F_DataflashInit(); - dataflash_print_info(); -#endif - - /* initialize environment */ - if (should_load_env()) - env_relocate(); - else - set_default_env(NULL); - -#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI) - arm_pci_init(); -#endif - - stdio_init(); /* get the devices list going. */ - - jumptable_init(); - -#if defined(CONFIG_API) - /* Initialize API */ - api_init(); -#endif - - console_init_r(); /* fully init console as a device */ - -#ifdef CONFIG_DISPLAY_BOARDINFO_LATE -# ifdef CONFIG_OF_CONTROL - /* Put this here so it appears on the LCD, now it is ready */ - display_fdt_model(gd->fdt_blob); -# else - checkboard(); -# endif -#endif - -#if defined(CONFIG_ARCH_MISC_INIT) - /* miscellaneous arch dependent initialisations */ - arch_misc_init(); -#endif -#if defined(CONFIG_MISC_INIT_R) - /* miscellaneous platform dependent initialisations */ - misc_init_r(); -#endif - - /* set up exceptions */ - interrupt_init(); - /* enable exceptions */ - enable_interrupts(); - - /* Initialize from environment */ - load_addr = getenv_ulong("loadaddr", 16, load_addr); - -#ifdef CONFIG_BOARD_LATE_INIT - board_late_init(); -#endif - -#ifdef CONFIG_BITBANGMII - bb_miiphy_init(); -#endif -#if defined(CONFIG_CMD_NET) - puts("Net: "); - eth_initialize(); -#if defined(CONFIG_RESET_PHY_R) - debug("Reset Ethernet PHY\n"); - reset_phy(); -#endif -#endif - -#ifdef CONFIG_POST - post_run(NULL, POST_RAM | post_bootmode_get(0)); -#endif - -#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) - /* - * Export available size of memory for Linux, - * taking into account the protected RAM at top of memory - */ - { - ulong pram = 0; - uchar memsz[32]; - -#ifdef CONFIG_PRAM - pram = getenv_ulong("pram", 10, CONFIG_PRAM); -#endif -#ifdef CONFIG_LOGBUFFER -#ifndef CONFIG_ALT_LB_ADDR - /* Also take the logbuffer into account (pram is in kB) */ - pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024; -#endif -#endif - sprintf((char *)memsz, "%ldk", (gd->ram_size / 1024) - pram); - setenv("mem", (char *)memsz); - } -#endif - - /* 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 */ -} |