From a733b06b69d2cb058c4363952bc0793b1f514305 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Fri, 26 Apr 2013 02:53:43 +0000 Subject: sandbox: Switch over to generic board Add generic board support for sandbox. and remove the old board init code. Select CONFIG_SYS_GENERIC_BOARD for sandbox now that this is supported. Signed-off-by: Simon Glass Reviewed-by: Tom Rini --- common/board_f.c | 51 ++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 42 insertions(+), 9 deletions(-) (limited to 'common/board_f.c') diff --git a/common/board_f.c b/common/board_f.c index 00ca81126..204505519 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -49,9 +49,11 @@ #include #endif +#include #include #include #include +#include #include #ifdef CONFIG_MP #include @@ -61,6 +63,9 @@ #include #include #endif +#ifdef CONFIG_SANDBOX +#include +#endif #include /* @@ -155,6 +160,7 @@ static int init_baud_rate(void) static int display_text_info(void) { +#ifndef CONFIG_SANDBOX ulong bss_start, bss_end; #ifdef CONFIG_SYS_SYM_OFFSETS @@ -166,6 +172,7 @@ static int display_text_info(void) #endif 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"); @@ -284,6 +291,8 @@ static int setup_mon_len(void) { #ifdef CONFIG_SYS_SYM_OFFSETS gd->mon_len = _bss_end_ofs; +#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; @@ -296,6 +305,17 @@ __weak int arch_cpu_init(void) return 0; } +#ifdef CONFIG_SANDBOX +static int setup_ram_buf(void) +{ + gd->arch.ram_buf = os_malloc(CONFIG_SYS_SDRAM_SIZE); + assert(gd->arch.ram_buf); + gd->ram_size = CONFIG_SYS_SDRAM_SIZE; + + return 0; +} +#endif + static int setup_fdt(void) { #ifdef CONFIG_OF_EMBED @@ -470,7 +490,7 @@ static int reserve_malloc(void) static int reserve_board(void) { gd->dest_addr_sp -= sizeof(bd_t); - gd->bd = (bd_t *)gd->dest_addr_sp; + gd->bd = (bd_t *)map_sysmem(gd->dest_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->dest_addr_sp); @@ -489,7 +509,7 @@ static int setup_machine(void) static int reserve_global_data(void) { gd->dest_addr_sp -= sizeof(gd_t); - gd->new_gd = (gd_t *)gd->dest_addr_sp; + gd->new_gd = (gd_t *)map_sysmem(gd->dest_addr_sp, sizeof(gd_t)); debug("Reserving %zu Bytes for Global Data at: %08lx\n", sizeof(gd_t), gd->dest_addr_sp); return 0; @@ -506,9 +526,9 @@ static int reserve_fdt(void) gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32); gd->dest_addr_sp -= gd->fdt_size; - gd->new_fdt = (void *)gd->dest_addr_sp; - debug("Reserving %lu Bytes for FDT at: %p\n", - gd->fdt_size, gd->new_fdt); + gd->new_fdt = map_sysmem(gd->dest_addr_sp, gd->fdt_size); + debug("Reserving %lu Bytes for FDT at: %08lx\n", + gd->fdt_size, gd->dest_addr_sp); } return 0; @@ -709,8 +729,9 @@ static int setup_reloc(void) 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 %p, sp at %08lx\n", - gd->dest_addr, gd->new_gd, gd->dest_addr_sp); + debug("Relocating to %08lx, new gd at %08lx, sp at %08lx\n", + gd->dest_addr, (ulong)map_to_sysmem(gd->new_gd), + gd->dest_addr_sp); return 0; } @@ -736,6 +757,8 @@ static int jump_to_copy(void) * (CPU cache) */ board_init_f_r_trampoline(gd->start_addr_sp); +#elif defined(CONFIG_SANDBOX) + board_init_r(gd->new_gd, 0); #else relocate_code(gd->dest_addr_sp, gd->new_gd, gd->dest_addr); #endif @@ -757,6 +780,9 @@ static init_fnc_t init_sequence_f[] = { !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \ !defined(CONFIG_MPC86xx) && !defined(CONFIG_X86) zero_global_data, +#endif +#ifdef CONFIG_SANDBOX + setup_ram_buf, #endif setup_fdt, setup_mon_len, @@ -816,8 +842,11 @@ static init_fnc_t init_sequence_f[] = { init_baud_rate, /* initialze baudrate settings */ serial_init, /* serial communications setup */ console_init_f, /* stage 1 init of console */ -#if defined(CONFIG_X86) && defined(CONFIG_OF_CONTROL) - prepare_fdt, /* TODO(sjg@chromium.org): remove */ +#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 */ @@ -1007,5 +1036,9 @@ void board_init_f_r(void) void hang(void) { puts("### ERROR ### Please RESET the board ###\n"); +#ifdef CONFIG_SANDBOX + os_exit(0); +#else for (;;); +#endif } -- cgit v1.2.3-70-g09d2 From f828bf25fe02f0d7148a9180988ab4d5681b8195 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sat, 20 Apr 2013 08:42:41 +0000 Subject: sandbox: Add CONFIG_OF_HOSTFILE to read FDT from host file With sandbox it is tricky to add an FDT to the image at build time (or later) since we build an ELF file, not a plain binary, and the address space of the whole U-Boot is not accessible in the emulated memory map of sandbox. Sandbox can read files directly from the host, though, so add an option to read an FDT from a host file on start-up. Signed-off-by: Simon Glass --- arch/sandbox/cpu/start.c | 7 +++++ arch/sandbox/include/asm/state.h | 1 + common/board_f.c | 55 ++++++++++++++++++++++++++++++++++++++++ doc/README.fdt-control | 6 ++++- include/configs/sandbox.h | 2 ++ 5 files changed, 70 insertions(+), 1 deletion(-) (limited to 'common/board_f.c') diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c index 5287fd5ee..2fcec8b36 100644 --- a/arch/sandbox/cpu/start.c +++ b/arch/sandbox/cpu/start.c @@ -104,6 +104,13 @@ static int sb_cmdline_cb_command(struct sandbox_state *state, const char *arg) } SB_CMDLINE_OPT_SHORT(command, 'c', 1, "Execute U-Boot command"); +static int sb_cmdline_cb_fdt(struct sandbox_state *state, const char *arg) +{ + state->fdt_fname = arg; + return 0; +} +SB_CMDLINE_OPT_SHORT(fdt, 'd', 1, "Specify U-Boot's control FDT"); + int main(int argc, char *argv[]) { struct sandbox_state *state; diff --git a/arch/sandbox/include/asm/state.h b/arch/sandbox/include/asm/state.h index 2b62b46ea..9552708a7 100644 --- a/arch/sandbox/include/asm/state.h +++ b/arch/sandbox/include/asm/state.h @@ -34,6 +34,7 @@ enum exit_type_id { /* The complete state of the test system */ struct sandbox_state { const char *cmd; /* Command to execute */ + const char *fdt_fname; /* Filename of FDT binary */ enum exit_type_id exit_type; /* How we exited U-Boot */ const char *parse_err; /* Error to report from parsing */ int argc; /* Program arguments */ diff --git a/common/board_f.c b/common/board_f.c index 204505519..3a6638f8e 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -31,6 +31,7 @@ #include #include #include +#include #if defined(CONFIG_CMD_IDE) #include #endif @@ -305,6 +306,55 @@ __weak int arch_cpu_init(void) return 0; } +#ifdef CONFIG_OF_HOSTFILE + +#define CHECK(x) err = (x); if (err) goto failed; + +/* Create an empty device tree blob */ +static int make_empty_fdt(void *fdt) +{ + int err; + + CHECK(fdt_create(fdt, 256)); + CHECK(fdt_finish_reservemap(fdt)); + CHECK(fdt_begin_node(fdt, "")); + CHECK(fdt_end_node(fdt)); + CHECK(fdt_finish(fdt)); + + return 0; +failed: + printf("Unable to create empty FDT: %s\n", fdt_strerror(err)); + return -EACCES; +} + +static int read_fdt_from_file(void) +{ + struct sandbox_state *state = state_get_current(); + void *blob; + int size; + int err; + + blob = map_sysmem(CONFIG_SYS_FDT_LOAD_ADDR, 0); + if (!state->fdt_fname) { + err = make_empty_fdt(blob); + if (!err) + goto done; + return err; + } + err = fs_set_blk_dev("host", NULL, FS_TYPE_SANDBOX); + if (err) + return err; + size = fs_read(state->fdt_fname, CONFIG_SYS_FDT_LOAD_ADDR, 0, 0); + if (size < 0) + return -EIO; + +done: + gd->fdt_blob = blob; + + return 0; +} +#endif + #ifdef CONFIG_SANDBOX static int setup_ram_buf(void) { @@ -328,6 +378,11 @@ static int setup_fdt(void) # else gd->fdt_blob = (ulong *)&_end; # endif +#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, diff --git a/doc/README.fdt-control b/doc/README.fdt-control index 8352835ee..5963f78e9 100644 --- a/doc/README.fdt-control +++ b/doc/README.fdt-control @@ -142,7 +142,11 @@ join the two: and then flash image.bin onto your board. -You cannot use both of these options at the same time. +If CONFIG_OF_HOSTFILE is defined, then it will be read from a file on +startup. This is only useful for sandbox. Use the -d flag to U-Boot to +specify the file to read. + +You cannot use more than one of these options at the same time. If you wish to put the fdt at a different address in memory, you can define the "fdtcontroladdr" environment variable. This is the hex diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h index da7cc9a7a..8efadedd8 100644 --- a/include/configs/sandbox.h +++ b/include/configs/sandbox.h @@ -26,6 +26,7 @@ #define CONFIG_SANDBOX_BITS_PER_LONG 64 #define CONFIG_OF_CONTROL +#define CONFIG_OF_HOSTFILE #define CONFIG_OF_LIBFDT #define CONFIG_LMB @@ -71,6 +72,7 @@ #define CONFIG_SYS_MEMTEST_START 0x00100000 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x1000) #define CONFIG_PHYS_64BIT +#define CONFIG_SYS_FDT_LOAD_ADDR 0x1000000 /* Size of our emulated memory */ #define CONFIG_SYS_SDRAM_BASE 0 -- cgit v1.2.3-70-g09d2 From d2eae43ba803cff75b44a07d08d718ecdecdee94 Mon Sep 17 00:00:00 2001 From: Andreas Bießmann Date: Thu, 18 Apr 2013 22:48:50 +0000 Subject: lib: consolidate hang() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Delete all occurrences of hang() and provide a generic function. Signed-off-by: Andreas Bießmann Acked-by: Albert ARIBAUD [trini: Modify check around puts() in hang.c slightly] Signed-off-by: Tom Rini --- arch/arm/cpu/arm926ejs/mxs/spl_boot.c | 7 ------ arch/arm/cpu/arm926ejs/spear/spl.c | 7 ------ arch/arm/lib/board.c | 6 ----- arch/avr32/lib/board.c | 5 ---- arch/blackfin/lib/board.c | 14 ----------- arch/m68k/lib/board.c | 7 ------ arch/microblaze/lib/board.c | 7 ------ arch/mips/lib/board.c | 7 ------ arch/nds32/lib/board.c | 7 ------ arch/nios2/lib/board.c | 11 -------- arch/openrisc/lib/board.c | 12 --------- arch/powerpc/lib/board.c | 9 ------- arch/sh/lib/board.c | 9 ------- arch/sparc/lib/board.c | 9 ------- arch/x86/lib/board.c | 7 ------ common/board_f.c | 10 -------- common/spl/spl.c | 7 ------ drivers/mtd/nand/mxc_nand_spl.c | 9 ------- lib/Makefile | 1 + lib/hang.c | 47 +++++++++++++++++++++++++++++++++++ 20 files changed, 48 insertions(+), 150 deletions(-) create mode 100644 lib/hang.c (limited to 'common/board_f.c') diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_boot.c b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c index 7e7044033..ed525e58f 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_boot.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c @@ -148,10 +148,3 @@ inline void board_init_r(gd_t *id, ulong dest_addr) for (;;) ; } - -void hang(void) __attribute__ ((noreturn)); -void hang(void) -{ - for (;;) - ; -} diff --git a/arch/arm/cpu/arm926ejs/spear/spl.c b/arch/arm/cpu/arm926ejs/spear/spl.c index 48e6efbc4..0101c5dd1 100644 --- a/arch/arm/cpu/arm926ejs/spear/spl.c +++ b/arch/arm/cpu/arm926ejs/spear/spl.c @@ -31,13 +31,6 @@ #include #include -inline void hang(void) -{ - serial_puts("### ERROR ### Please RESET the board ###\n"); - for (;;) - ; -} - static void ddr_clock_init(void) { struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE; diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c index 0521178ac..09ab4ad73 100644 --- a/arch/arm/lib/board.c +++ b/arch/arm/lib/board.c @@ -706,9 +706,3 @@ void board_init_r(gd_t *id, ulong dest_addr) /* NOTREACHED - no way out of command loop except booting */ } - -void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); - for (;;); -} diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c index 57e07dfb8..ccf862a7f 100644 --- a/arch/avr32/lib/board.c +++ b/arch/avr32/lib/board.c @@ -120,11 +120,6 @@ static int display_banner (void) return 0; } -void hang(void) -{ - for (;;) ; -} - static int display_dram_config (void) { int i; diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c index 75b6c463d..ccea3b9fb 100644 --- a/arch/blackfin/lib/board.c +++ b/arch/blackfin/lib/board.c @@ -432,17 +432,3 @@ void board_init_r(gd_t * id, ulong dest_addr) for (;;) main_loop(); } - -void hang(void) -{ -#ifdef CONFIG_STATUS_LED - status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF); - status_led_set(STATUS_LED_CRASH, STATUS_LED_BLINKING); -#endif - puts("### ERROR ### Please RESET the board ###\n"); - while (1) - /* If a JTAG emulator is hooked up, we'll automatically trigger - * a breakpoint in it. If one isn't, this is just a NOP. - */ - asm("emuexcpt;"); -} diff --git a/arch/m68k/lib/board.c b/arch/m68k/lib/board.c index adaccfe69..b2e306836 100644 --- a/arch/m68k/lib/board.c +++ b/arch/m68k/lib/board.c @@ -663,10 +663,3 @@ void board_init_r (gd_t *id, ulong dest_addr) /* NOTREACHED - no way out of command loop except booting */ } - - -void hang(void) -{ - puts ("### ERROR ### Please RESET the board ###\n"); - for (;;); -} diff --git a/arch/microblaze/lib/board.c b/arch/microblaze/lib/board.c index 3a6d81aa0..bb402432c 100644 --- a/arch/microblaze/lib/board.c +++ b/arch/microblaze/lib/board.c @@ -195,10 +195,3 @@ void board_init_f(ulong not_used) main_loop(); } } - -void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); - for (;;) - ; -} diff --git a/arch/mips/lib/board.c b/arch/mips/lib/board.c index f19f198ae..fac791520 100644 --- a/arch/mips/lib/board.c +++ b/arch/mips/lib/board.c @@ -344,10 +344,3 @@ void board_init_r(gd_t *id, ulong dest_addr) /* NOTREACHED - no way out of command loop except booting */ } - -void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); - for (;;) - ; -} diff --git a/arch/nds32/lib/board.c b/arch/nds32/lib/board.c index a7d27fc7f..57af1bee9 100644 --- a/arch/nds32/lib/board.c +++ b/arch/nds32/lib/board.c @@ -404,10 +404,3 @@ void board_init_r(gd_t *id, ulong dest_addr) /* NOTREACHED - no way out of command loop except booting */ } - -void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); - for (;;) - ; -} diff --git a/arch/nios2/lib/board.c b/arch/nios2/lib/board.c index 0f2bc7e8a..f430ef082 100644 --- a/arch/nios2/lib/board.c +++ b/arch/nios2/lib/board.c @@ -162,14 +162,3 @@ void board_init(void) main_loop(); } } - - -/***********************************************************************/ - -void hang(void) -{ - disable_interrupts(); - puts("### ERROR ### Please reset board ###\n"); - for (;;) - ; -} diff --git a/arch/openrisc/lib/board.c b/arch/openrisc/lib/board.c index 85aa1899b..630e45fdb 100644 --- a/arch/openrisc/lib/board.c +++ b/arch/openrisc/lib/board.c @@ -154,15 +154,3 @@ void board_init(void) main_loop(); } } - - -/***********************************************************************/ - -void hang(void) -{ - disable_interrupts(); - puts("### ERROR ### Please reset board ###\n"); - - for (;;) - ; -} diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c index 422b4a39b..41b22949f 100644 --- a/arch/powerpc/lib/board.c +++ b/arch/powerpc/lib/board.c @@ -1050,15 +1050,6 @@ void board_init_r(gd_t *id, ulong dest_addr) /* NOTREACHED - no way out of command loop except booting */ } -void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); - bootstage_error(BOOTSTAGE_ID_NEED_RESET); - for (;;) - ; -} - - #if 0 /* We could use plain global data, but the resulting code is bigger */ /* * Pointer to initial global data area diff --git a/arch/sh/lib/board.c b/arch/sh/lib/board.c index 6e43acfbd..0789ed055 100644 --- a/arch/sh/lib/board.c +++ b/arch/sh/lib/board.c @@ -200,12 +200,3 @@ void sh_generic_init(void) main_loop(); } } - -/***********************************************************************/ - -void hang(void) -{ - puts("Board ERROR\n"); - for (;;) - ; -} diff --git a/arch/sparc/lib/board.c b/arch/sparc/lib/board.c index 79fb4c87e..fbc535fa0 100644 --- a/arch/sparc/lib/board.c +++ b/arch/sparc/lib/board.c @@ -411,13 +411,4 @@ void board_init_f(ulong bootflag) } -void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); -#ifdef CONFIG_SHOW_BOOT_PROGRESS - bootstage_error(BOOTSTAGE_ID_NEED_RESET); -#endif - for (;;) ; -} - /************************************************************************/ diff --git a/arch/x86/lib/board.c b/arch/x86/lib/board.c index f372898f6..228c2c822 100644 --- a/arch/x86/lib/board.c +++ b/arch/x86/lib/board.c @@ -264,10 +264,3 @@ void board_init_r(gd_t *id, ulong dest_addr) /* NOTREACHED - no way out of command loop except booting */ } - -void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); - for (;;) - ; -} diff --git a/common/board_f.c b/common/board_f.c index 3a6638f8e..32e59faa0 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -1087,13 +1087,3 @@ void board_init_f_r(void) hang(); } #endif /* CONFIG_X86 */ - -void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); -#ifdef CONFIG_SANDBOX - os_exit(0); -#else - for (;;); -#endif -} diff --git a/common/spl/spl.c b/common/spl/spl.c index 6715e0d20..7ce2d5f21 100644 --- a/common/spl/spl.c +++ b/common/spl/spl.c @@ -48,13 +48,6 @@ struct spl_image_info spl_image; /* Define board data structure */ static bd_t bdata __attribute__ ((section(".data"))); -inline void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); - for (;;) - ; -} - /* * Default function to determine if u-boot or the OS should * be started. This implementation always returns 1. diff --git a/drivers/mtd/nand/mxc_nand_spl.c b/drivers/mtd/nand/mxc_nand_spl.c index 09f23c30c..edc589e5b 100644 --- a/drivers/mtd/nand/mxc_nand_spl.c +++ b/drivers/mtd/nand/mxc_nand_spl.c @@ -355,12 +355,3 @@ void nand_boot(void) hang(); } } - -/* - * Called in case of an exception. - */ -void hang(void) -{ - /* Loop forever */ - while (1) ; -} diff --git a/lib/Makefile b/lib/Makefile index a3131d873..8f81862b7 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -71,6 +71,7 @@ COBJS-$(CONFIG_BCH) += bch.o COBJS-y += crc32.o COBJS-y += ctype.o COBJS-y += div64.o +COBJS-y += hang.o COBJS-y += linux_string.o COBJS-$(CONFIG_REGEX) += slre.o COBJS-y += string.o diff --git a/lib/hang.c b/lib/hang.c new file mode 100644 index 000000000..fc1286c0b --- /dev/null +++ b/lib/hang.c @@ -0,0 +1,47 @@ +/* + * (C) Copyright 2013 + * Andreas Bießmann + * + * This file consolidates all the different hang() functions implemented in + * u-boot. + * + * 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 + +/** + * hang - stop processing by staying in an endless loop + * + * The purpose of this function is to stop further execution of code cause + * something went completely wrong. To catch this and give some feedback to + * the user one needs to catch the bootstage_error (see show_boot_progress()) + * in the board code. + */ +void hang(void) +{ +#if !defined(CONFIG_SPL_BUILD) || (defined(CONFIG_SPL_LIBCOMMON_SUPPORT) && \ + defined(CONFIG_SPL_SERIAL_SUPPORT)) + puts("### ERROR ### Please RESET the board ###\n"); +#endif + bootstage_error(BOOTSTAGE_ID_NEED_RESET); + for (;;) + ; +} -- cgit v1.2.3-70-g09d2