diff options
Diffstat (limited to 'qemu/roms/u-boot/common/board_f.c')
| -rw-r--r-- | qemu/roms/u-boot/common/board_f.c | 1037 |
1 files changed, 0 insertions, 1037 deletions
diff --git a/qemu/roms/u-boot/common/board_f.c b/qemu/roms/u-boot/common/board_f.c deleted file mode 100644 index 4ea4cb21b..000000000 --- a/qemu/roms/u-boot/common/board_f.c +++ /dev/null @@ -1,1037 +0,0 @@ -/* - * Copyright (c) 2011 The Chromium OS Authors. - * (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+ - */ - -#include <common.h> -#include <linux/compiler.h> -#include <version.h> -#include <environment.h> -#include <fdtdec.h> -#include <fs.h> -#if defined(CONFIG_CMD_IDE) -#include <ide.h> -#endif -#include <i2c.h> -#include <initcall.h> -#include <logbuff.h> - -/* TODO: Can we move these into arch/ headers? */ -#ifdef CONFIG_8xx -#include <mpc8xx.h> -#endif -#ifdef CONFIG_5xx -#include <mpc5xx.h> -#endif -#ifdef CONFIG_MPC5xxx -#include <mpc5xxx.h> -#endif - -#include <os.h> -#include <post.h> -#include <spi.h> -#include <trace.h> -#include <watchdog.h> -#include <asm/errno.h> -#include <asm/io.h> -#ifdef CONFIG_MP -#include <asm/mp.h> -#endif -#include <asm/sections.h> -#ifdef CONFIG_X86 -#include <asm/init_helpers.h> -#include <asm/relocate.h> -#endif -#ifdef CONFIG_SANDBOX -#include <asm/state.h> -#endif -#include <linux/compiler.h> - -/* - * Pointer to initial global data area - * - * Here we initialize it if needed. - */ -#ifdef XTRN_DECLARE_GLOBAL_DATA_PTR -#undef XTRN_DECLARE_GLOBAL_DATA_PTR -#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */ -DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_GD_ADDR); -#else -DECLARE_GLOBAL_DATA_PTR; -#endif - -/* - * sjg: IMO this code should be - * refactored to a single function, something like: - * - * void led_set_state(enum led_colour_t colour, int on); - */ -/************************************************************************ - * Coloured LED functionality - ************************************************************************ - * May be supplied by boards if desired - */ -inline void __coloured_LED_init(void) {} -void coloured_LED_init(void) - __attribute__((weak, alias("__coloured_LED_init"))); -inline void __red_led_on(void) {} -void red_led_on(void) __attribute__((weak, alias("__red_led_on"))); -inline void __red_led_off(void) {} -void red_led_off(void) __attribute__((weak, alias("__red_led_off"))); -inline void __green_led_on(void) {} -void green_led_on(void) __attribute__((weak, alias("__green_led_on"))); -inline void __green_led_off(void) {} -void green_led_off(void) __attribute__((weak, alias("__green_led_off"))); -inline void __yellow_led_on(void) {} -void yellow_led_on(void) __attribute__((weak, alias("__yellow_led_on"))); -inline void __yellow_led_off(void) {} -void yellow_led_off(void) __attribute__((weak, alias("__yellow_led_off"))); -inline void __blue_led_on(void) {} -void blue_led_on(void) __attribute__((weak, alias("__blue_led_on"))); -inline void __blue_led_off(void) {} -void blue_led_off(void) __attribute__((weak, alias("__blue_led_off"))); - -/* - * Why is gd allocated a register? Prior to reloc it might be better to - * just pass it around to each function in this file? - * - * After reloc one could argue that it is hardly used and doesn't need - * to be in a register. Or if it is it should perhaps hold pointers to all - * global data for all modules, so that post-reloc we can avoid the massive - * literal pool we get on ARM. Or perhaps just encourage each module to use - * a structure... - */ - -/* - * Could the CONFIG_SPL_BUILD infection become a flag in gd? - */ - -#if defined(CONFIG_WATCHDOG) -static int init_func_watchdog_init(void) -{ - puts(" Watchdog enabled\n"); - WATCHDOG_RESET(); - - return 0; -} - -int init_func_watchdog_reset(void) -{ - WATCHDOG_RESET(); - - return 0; -} -#endif /* CONFIG_WATCHDOG */ - -void __board_add_ram_info(int use_default) -{ - /* please define platform specific board_add_ram_info() */ -} - -void board_add_ram_info(int) - __attribute__ ((weak, alias("__board_add_ram_info"))); - -static int init_baud_rate(void) -{ - gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); - return 0; -} - -static int display_text_info(void) -{ -#ifndef CONFIG_SANDBOX - ulong bss_start, bss_end; - - bss_start = (ulong)&__bss_start; - bss_end = (ulong)&__bss_end; - - debug("U-Boot code: %08X -> %08lX BSS: -> %08lX\n", - CONFIG_SYS_TEXT_BASE, bss_start, bss_end); -#endif - -#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; -} - -static int announce_dram_init(void) -{ - puts("DRAM: "); - return 0; -} - -#if defined(CONFIG_MIPS) || defined(CONFIG_PPC) -static int init_func_ram(void) -{ -#ifdef CONFIG_BOARD_TYPES - int board_type = gd->board_type; -#else - int board_type = 0; /* use dummy arg */ -#endif - - gd->ram_size = initdram(board_type); - - if (gd->ram_size > 0) - return 0; - - puts("*** failed ***\n"); - return 1; -} -#endif - -static int show_dram_config(void) -{ - unsigned long long size; - -#ifdef CONFIG_NR_DRAM_BANKS - int i; - - debug("\nRAM Configuration:\n"); - for (i = size = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - size += gd->bd->bi_dram[i].size; - debug("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start); -#ifdef DEBUG - print_size(gd->bd->bi_dram[i].size, "\n"); -#endif - } - debug("\nDRAM: "); -#else - size = gd->ram_size; -#endif - - print_size(size, ""); - board_add_ram_info(0); - putc('\n'); - - return 0; -} - -void __dram_init_banksize(void) -{ -#if defined(CONFIG_NR_DRAM_BANKS) && defined(CONFIG_SYS_SDRAM_BASE) - gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; - gd->bd->bi_dram[0].size = get_effective_memsize(); -#endif -} - -void dram_init_banksize(void) - __attribute__((weak, alias("__dram_init_banksize"))); - -#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_HARD_SPI) -static int init_func_spi(void) -{ - puts("SPI: "); - spi_init(); - puts("ready\n"); - return 0; -} -#endif - -__maybe_unused -static int zero_global_data(void) -{ - memset((void *)gd, '\0', sizeof(gd_t)); - - return 0; -} - -static int setup_mon_len(void) -{ -#ifdef __ARM__ - gd->mon_len = (ulong)&__bss_end - (ulong)_start; -#elif defined(CONFIG_SANDBOX) - gd->mon_len = (ulong)&_end - (ulong)_init; -#else - /* TODO: use (ulong)&__bss_end - (ulong)&__text_start; ? */ - gd->mon_len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE; -#endif - return 0; -} - -__weak int arch_cpu_init(void) -{ - return 0; -} - -#ifdef CONFIG_OF_HOSTFILE - -static int read_fdt_from_file(void) -{ - struct sandbox_state *state = state_get_current(); - const char *fname = state->fdt_fname; - void *blob; - ssize_t size; - int err; - int fd; - - blob = map_sysmem(CONFIG_SYS_FDT_LOAD_ADDR, 0); - if (!state->fdt_fname) { - err = fdt_create_empty_tree(blob, 256); - if (!err) - goto done; - printf("Unable to create empty FDT: %s\n", fdt_strerror(err)); - return -EINVAL; - } - - size = os_get_filesize(fname); - if (size < 0) { - printf("Failed to file FDT file '%s'\n", fname); - return -ENOENT; - } - fd = os_open(fname, OS_O_RDONLY); - if (fd < 0) { - printf("Failed to open FDT file '%s'\n", fname); - return -EACCES; - } - if (os_read(fd, blob, size) != size) { - os_close(fd); - return -EIO; - } - os_close(fd); - -done: - gd->fdt_blob = blob; - - return 0; -} -#endif - -#ifdef CONFIG_SANDBOX -static int setup_ram_buf(void) -{ - struct sandbox_state *state = state_get_current(); - - gd->arch.ram_buf = state->ram_buf; - gd->ram_size = state->ram_size; - - return 0; -} -#endif - -static int setup_fdt(void) -{ -#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 = (ulong *)&_end; -#elif defined(CONFIG_OF_HOSTFILE) - if (read_fdt_from_file()) { - puts("Failed to read control FDT\n"); - return -1; - } -#endif - /* Allow the early environment to override the fdt address */ - gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16, - (uintptr_t)gd->fdt_blob); - return 0; -} - -/* Get the top of usable RAM */ -__weak ulong board_get_usable_ram_top(ulong total_size) -{ - return gd->ram_top; -} - -static int setup_dest_addr(void) -{ - debug("Monitor len: %08lX\n", gd->mon_len); - /* - * Ram is setup, size stored in gd !! - */ - debug("Ram size: %08lX\n", (ulong)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 -#ifdef CONFIG_SYS_SDRAM_BASE - gd->ram_top = CONFIG_SYS_SDRAM_BASE; -#endif - gd->ram_top += get_effective_memsize(); - gd->ram_top = board_get_usable_ram_top(gd->mon_len); - gd->relocaddr = gd->ram_top; - debug("Ram top: %08lX\n", (ulong)gd->ram_top); -#if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500)) - /* - * We need to make sure the location we intend to put secondary core - * boot code is reserved and not used by any part of u-boot - */ - if (gd->relocaddr > determine_mp_bootpg(NULL)) { - gd->relocaddr = determine_mp_bootpg(NULL); - debug("Reserving MP boot page to %08lx\n", gd->relocaddr); - } -#endif - return 0; -} - -#if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR) -static int reserve_logbuffer(void) -{ - /* reserve kernel log buffer */ - gd->relocaddr -= LOGBUFF_RESERVE; - debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, - gd->relocaddr); - return 0; -} -#endif - -#ifdef CONFIG_PRAM -/* reserve protected RAM */ -static int reserve_pram(void) -{ - ulong reg; - - reg = getenv_ulong("pram", 10, CONFIG_PRAM); - gd->relocaddr -= (reg << 10); /* size is in kB */ - debug("Reserving %ldk for protected RAM at %08lx\n", reg, - gd->relocaddr); - return 0; -} -#endif /* CONFIG_PRAM */ - -/* Round memory pointer down to next 4 kB limit */ -static int reserve_round_4k(void) -{ - gd->relocaddr &= ~(4096 - 1); - return 0; -} - -#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \ - defined(CONFIG_ARM) -static int reserve_mmu(void) -{ - /* reserve TLB table */ - gd->arch.tlb_size = PGTABLE_SIZE; - gd->relocaddr -= gd->arch.tlb_size; - - /* round down to next 64 kB limit */ - gd->relocaddr &= ~(0x10000 - 1); - - gd->arch.tlb_addr = gd->relocaddr; - debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr, - gd->arch.tlb_addr + gd->arch.tlb_size); - return 0; -} -#endif - -#ifdef CONFIG_LCD -static int reserve_lcd(void) -{ -#ifdef CONFIG_FB_ADDR - gd->fb_base = CONFIG_FB_ADDR; -#else - /* reserve memory for LCD display (always full pages) */ - gd->relocaddr = lcd_setmem(gd->relocaddr); - gd->fb_base = gd->relocaddr; -#endif /* CONFIG_FB_ADDR */ - return 0; -} -#endif /* CONFIG_LCD */ - -static int reserve_trace(void) -{ -#ifdef CONFIG_TRACE - gd->relocaddr -= CONFIG_TRACE_BUFFER_SIZE; - gd->trace_buff = map_sysmem(gd->relocaddr, CONFIG_TRACE_BUFFER_SIZE); - debug("Reserving %dk for trace data at: %08lx\n", - CONFIG_TRACE_BUFFER_SIZE >> 10, gd->relocaddr); -#endif - - return 0; -} - -#if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) \ - && !defined(CONFIG_ARM) && !defined(CONFIG_X86) -static int reserve_video(void) -{ - /* reserve memory for video display (always full pages) */ - gd->relocaddr = video_setmem(gd->relocaddr); - gd->fb_base = gd->relocaddr; - - return 0; -} -#endif - -static int reserve_uboot(void) -{ - /* - * reserve memory for U-Boot code, data & bss - * round down to next 4 kB limit - */ - gd->relocaddr -= gd->mon_len; - gd->relocaddr &= ~(4096 - 1); -#ifdef CONFIG_E500 - /* round down to next 64 kB limit so that IVPR stays aligned */ - gd->relocaddr &= ~(65536 - 1); -#endif - - debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, - gd->relocaddr); - - gd->start_addr_sp = gd->relocaddr; - - return 0; -} - -#ifndef CONFIG_SPL_BUILD -/* reserve memory for malloc() area */ -static int reserve_malloc(void) -{ - gd->start_addr_sp = gd->start_addr_sp - TOTAL_MALLOC_LEN; - debug("Reserving %dk for malloc() at: %08lx\n", - TOTAL_MALLOC_LEN >> 10, gd->start_addr_sp); - return 0; -} - -/* (permanently) allocate a Board Info struct */ -static int reserve_board(void) -{ - gd->start_addr_sp -= sizeof(bd_t); - gd->bd = (bd_t *)map_sysmem(gd->start_addr_sp, sizeof(bd_t)); - memset(gd->bd, '\0', sizeof(bd_t)); - debug("Reserving %zu Bytes for Board Info at: %08lx\n", - sizeof(bd_t), gd->start_addr_sp); - return 0; -} -#endif - -static int setup_machine(void) -{ -#ifdef CONFIG_MACH_TYPE - gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */ -#endif - return 0; -} - -static int reserve_global_data(void) -{ - gd->start_addr_sp -= sizeof(gd_t); - gd->new_gd = (gd_t *)map_sysmem(gd->start_addr_sp, sizeof(gd_t)); - debug("Reserving %zu Bytes for Global Data at: %08lx\n", - sizeof(gd_t), gd->start_addr_sp); - return 0; -} - -static int reserve_fdt(void) -{ - /* - * 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) { - gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32); - - gd->start_addr_sp -= gd->fdt_size; - gd->new_fdt = map_sysmem(gd->start_addr_sp, gd->fdt_size); - debug("Reserving %lu Bytes for FDT at: %08lx\n", - gd->fdt_size, gd->start_addr_sp); - } - - return 0; -} - -static int reserve_stacks(void) -{ -#ifdef CONFIG_SPL_BUILD -# ifdef CONFIG_ARM - gd->start_addr_sp -= 128; /* leave 32 words for abort-stack */ - gd->irq_sp = gd->start_addr_sp; -# endif -#else -# ifdef CONFIG_PPC - ulong *s; -# endif - - /* setup stack pointer for exceptions */ - gd->start_addr_sp -= 16; - gd->start_addr_sp &= ~0xf; - gd->irq_sp = gd->start_addr_sp; - - /* - * Handle architecture-specific things here - * TODO(sjg@chromium.org): Perhaps create arch_reserve_stack() - * to handle this and put in arch/xxx/lib/stack.c - */ -# if defined(CONFIG_ARM) && !defined(CONFIG_ARM64) -# ifdef CONFIG_USE_IRQ - gd->start_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ); - debug("Reserving %zu Bytes for IRQ stack at: %08lx\n", - CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->start_addr_sp); - - /* 8-byte alignment for ARM ABI compliance */ - gd->start_addr_sp &= ~0x07; -# endif - /* leave 3 words for abort-stack, plus 1 for alignment */ - gd->start_addr_sp -= 16; -# elif defined(CONFIG_PPC) - /* Clear initial stack frame */ - s = (ulong *) gd->start_addr_sp; - *s = 0; /* Terminate back chain */ - *++s = 0; /* NULL return address */ -# endif /* Architecture specific code */ - - return 0; -#endif -} - -static int display_new_sp(void) -{ - debug("New Stack Pointer is: %08lx\n", gd->start_addr_sp); - - return 0; -} - -#ifdef CONFIG_PPC -static int setup_board_part1(void) -{ - bd_t *bd = gd->bd; - - /* - * Save local variables to board info struct - */ - - bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of memory */ - bd->bi_memsize = gd->ram_size; /* size in bytes */ - -#ifdef CONFIG_SYS_SRAM_BASE - bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM */ - bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM */ -#endif - -#if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) || defined(CONFIG_5xx) || \ - defined(CONFIG_E500) || defined(CONFIG_MPC86xx) - bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */ -#endif -#if defined(CONFIG_MPC5xxx) - bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ -#endif -#if defined(CONFIG_MPC83xx) - bd->bi_immrbar = CONFIG_SYS_IMMR; -#endif - - return 0; -} - -static int setup_board_part2(void) -{ - bd_t *bd = gd->bd; - - bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */ - bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */ -#if defined(CONFIG_CPM2) - bd->bi_cpmfreq = gd->arch.cpm_clk; - bd->bi_brgfreq = gd->arch.brg_clk; - bd->bi_sccfreq = gd->arch.scc_clk; - bd->bi_vco = gd->arch.vco_out; -#endif /* CONFIG_CPM2 */ -#if defined(CONFIG_MPC512X) - bd->bi_ipsfreq = gd->arch.ips_clk; -#endif /* CONFIG_MPC512X */ -#if defined(CONFIG_MPC5xxx) - bd->bi_ipbfreq = gd->arch.ipb_clk; - bd->bi_pcifreq = gd->pci_clk; -#endif /* CONFIG_MPC5xxx */ - - return 0; -} -#endif - -#ifdef CONFIG_SYS_EXTBDINFO -static int setup_board_extra(void) -{ - bd_t *bd = gd->bd; - - strncpy((char *) bd->bi_s_version, "1.2", sizeof(bd->bi_s_version)); - strncpy((char *) bd->bi_r_version, U_BOOT_VERSION, - sizeof(bd->bi_r_version)); - - bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */ - bd->bi_plb_busfreq = gd->bus_clk; -#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \ - defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) - bd->bi_pci_busfreq = get_PCI_freq(); - bd->bi_opbfreq = get_OPB_freq(); -#elif defined(CONFIG_XILINX_405) - bd->bi_pci_busfreq = get_PCI_freq(); -#endif - - return 0; -} -#endif - -#ifdef CONFIG_POST -static int init_post(void) -{ - post_bootmode_init(); - post_run(NULL, POST_ROM | post_bootmode_get(0)); - - return 0; -} -#endif - -static int setup_dram_config(void) -{ - /* Ram is board specific, so move it to board code ... */ - dram_init_banksize(); - - return 0; -} - -static int reloc_fdt(void) -{ - if (gd->new_fdt) { - memcpy(gd->new_fdt, gd->fdt_blob, gd->fdt_size); - gd->fdt_blob = gd->new_fdt; - } - - return 0; -} - -static int setup_reloc(void) -{ - gd->reloc_off = gd->relocaddr - CONFIG_SYS_TEXT_BASE; - memcpy(gd->new_gd, (char *)gd, sizeof(gd_t)); - - debug("Relocation Offset is: %08lx\n", gd->reloc_off); - debug("Relocating to %08lx, new gd at %08lx, sp at %08lx\n", - gd->relocaddr, (ulong)map_to_sysmem(gd->new_gd), - gd->start_addr_sp); - - return 0; -} - -/* ARM calls relocate_code from its crt0.S */ -#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) - -static int jump_to_copy(void) -{ - /* - * x86 is special, but in a nice way. It uses a trampoline which - * enables the dcache if possible. - * - * For now, other archs use relocate_code(), which is implemented - * similarly for all archs. When we do generic relocation, hopefully - * we can make all archs enable the dcache prior to relocation. - */ -#ifdef CONFIG_X86 - /* - * 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); -#else - relocate_code(gd->start_addr_sp, gd->new_gd, gd->relocaddr); -#endif - - return 0; -} -#endif - -/* 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; -} - -static init_fnc_t init_sequence_f[] = { -#ifdef CONFIG_SANDBOX - setup_ram_buf, -#endif - setup_mon_len, - setup_fdt, - trace_early_init, -#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) - /* TODO: can this go into arch_cpu_init()? */ - probecpu, -#endif - arch_cpu_init, /* basic arch cpu dependent setup */ -#ifdef CONFIG_X86 - cpu_init_f, /* TODO(sjg@chromium.org): remove */ -# ifdef CONFIG_OF_CONTROL - find_fdt, /* TODO(sjg@chromium.org): remove */ -# endif -#endif - mark_bootstage, -#ifdef CONFIG_OF_CONTROL - fdtdec_check_fdt, -#endif -#if defined(CONFIG_BOARD_EARLY_INIT_F) - board_early_init_f, -#endif - /* TODO: can any of this go into arch_cpu_init()? */ -#if defined(CONFIG_PPC) && !defined(CONFIG_8xx_CPUCLK_DEFAULT) - get_clocks, /* get CPU and bus clocks (etc.) */ -#if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \ - && !defined(CONFIG_TQM885D) - adjust_sdram_tbs_8xx, -#endif - /* TODO: can we rename this to timer_init()? */ - init_timebase, -#endif -#if defined(CONFIG_ARM) || defined(CONFIG_MIPS) - timer_init, /* initialize timer */ -#endif -#ifdef CONFIG_SYS_ALLOC_DPRAM -#if !defined(CONFIG_CPM2) - dpram_init, -#endif -#endif -#if defined(CONFIG_BOARD_POSTCLK_INIT) - board_postclk_init, -#endif -#ifdef CONFIG_FSL_ESDHC - get_clocks, -#endif - env_init, /* initialize environment */ -#if defined(CONFIG_8xx_CPUCLK_DEFAULT) - /* get CPU and bus clocks according to the environment variable */ - get_clocks_866, - /* adjust sdram refresh rate according to the new clock */ - sdram_adjust_866, - init_timebase, -#endif - init_baud_rate, /* initialze baudrate settings */ - serial_init, /* serial communications setup */ - console_init_f, /* stage 1 init of console */ -#ifdef CONFIG_SANDBOX - sandbox_early_getopt_check, -#endif -#ifdef CONFIG_OF_CONTROL - fdtdec_prepare_fdt, -#endif - display_options, /* say that we are here */ - display_text_info, /* show debugging info if required */ -#if defined(CONFIG_MPC8260) - prt_8260_rsr, - prt_8260_clks, -#endif /* CONFIG_MPC8260 */ -#if defined(CONFIG_MPC83xx) - prt_83xx_rsr, -#endif -#ifdef CONFIG_PPC - checkcpu, -#endif - print_cpuinfo, /* display cpu info (and speed) */ -#if defined(CONFIG_MPC5xxx) - prt_mpc5xxx_clks, -#endif /* CONFIG_MPC5xxx */ -#if defined(CONFIG_DISPLAY_BOARDINFO) - checkboard, /* display board info */ -#endif - INIT_FUNC_WATCHDOG_INIT -#if defined(CONFIG_MISC_INIT_F) - misc_init_f, -#endif - INIT_FUNC_WATCHDOG_RESET -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) - init_func_i2c, -#endif -#if defined(CONFIG_HARD_SPI) - init_func_spi, -#endif -#ifdef CONFIG_X86 - dram_init_f, /* configure available RAM banks */ - calculate_relocation_address, -#endif - announce_dram_init, - /* TODO: unify all these dram functions? */ -#ifdef CONFIG_ARM - dram_init, /* configure available RAM banks */ -#endif -#if defined(CONFIG_MIPS) || defined(CONFIG_PPC) - init_func_ram, -#endif -#ifdef CONFIG_POST - post_init_f, -#endif - INIT_FUNC_WATCHDOG_RESET -#if defined(CONFIG_SYS_DRAM_TEST) - testdram, -#endif /* CONFIG_SYS_DRAM_TEST */ - INIT_FUNC_WATCHDOG_RESET - -#ifdef CONFIG_POST - init_post, -#endif - INIT_FUNC_WATCHDOG_RESET - /* - * Now that we have DRAM mapped and working, we can - * relocate the code and continue running from DRAM. - * - * Reserve memory at end of RAM for (top down in that order): - * - area that won't get touched by U-Boot and Linux (optional) - * - kernel log buffer - * - protected RAM - * - LCD framebuffer - * - monitor code - * - board info struct - */ - setup_dest_addr, -#if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR) - reserve_logbuffer, -#endif -#ifdef CONFIG_PRAM - reserve_pram, -#endif - reserve_round_4k, -#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \ - defined(CONFIG_ARM) - reserve_mmu, -#endif -#ifdef CONFIG_LCD - reserve_lcd, -#endif - reserve_trace, - /* TODO: Why the dependency on CONFIG_8xx? */ -#if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) \ - && !defined(CONFIG_ARM) && !defined(CONFIG_X86) - reserve_video, -#endif - reserve_uboot, -#ifndef CONFIG_SPL_BUILD - reserve_malloc, - reserve_board, -#endif - setup_machine, - reserve_global_data, - reserve_fdt, - reserve_stacks, - setup_dram_config, - show_dram_config, -#ifdef CONFIG_PPC - setup_board_part1, - INIT_FUNC_WATCHDOG_RESET - setup_board_part2, -#endif - display_new_sp, -#ifdef CONFIG_SYS_EXTBDINFO - setup_board_extra, -#endif - INIT_FUNC_WATCHDOG_RESET - reloc_fdt, - setup_reloc, -#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) - jump_to_copy, -#endif - NULL, -}; - -void board_init_f(ulong boot_flags) -{ -#ifdef CONFIG_SYS_GENERIC_GLOBAL_DATA - /* - * For some archtectures, global data is initialized and used before - * calling this function. The data should be preserved. For others, - * CONFIG_SYS_GENERIC_GLOBAL_DATA should be defined and use the stack - * here to host global data until relocation. - */ - gd_t data; - - gd = &data; - - /* - * Clear global data before it is accessed at debug print - * in initcall_run_list. Otherwise the debug print probably - * get the wrong vaule of gd->have_console. - */ - zero_global_data(); -#endif - - gd->flags = boot_flags; - gd->have_console = 0; - - if (initcall_run_list(init_sequence_f)) - hang(); - -#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) - /* NOTREACHED - jump_to_copy() does not return */ - hang(); -#endif -} - -#ifdef CONFIG_X86 -/* - * For now this code is only used on x86. - * - * 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) - * - * NOTE: At present only x86 uses this route, but it is intended that - * all archs will move to this when generic relocation is implemented. - */ -static init_fnc_t init_sequence_f_r[] = { - init_cache_f_r, - copy_uboot_to_ram, - clear_bss, - do_elf_reloc_fixups, - - NULL, -}; - -void board_init_f_r(void) -{ - if (initcall_run_list(init_sequence_f_r)) - hang(); - - /* - * 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 */ - hang(); -} -#endif /* CONFIG_X86 */ |