diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/autoboot.c | 11 | ||||
| -rw-r--r-- | common/board_f.c | 11 | ||||
| -rw-r--r-- | common/cli.c | 4 | ||||
| -rw-r--r-- | common/console.c | 12 | ||||
| -rw-r--r-- | common/memsize.c | 59 | ||||
| -rw-r--r-- | common/update.c | 6 |
6 files changed, 87 insertions, 16 deletions
diff --git a/common/autoboot.c b/common/autoboot.c index 1783ef92c94..4b80ddb5b28 100644 --- a/common/autoboot.c +++ b/common/autoboot.c @@ -316,15 +316,6 @@ static int passwd_abort_key(uint64_t etime) } /** - * flush_stdin() - drops all pending characters from stdin - */ -static void flush_stdin(void) -{ - while (tstc()) - (void)getchar(); -} - -/** * fallback_to_sha256() - check whether we should fall back to sha256 * password checking * @@ -354,7 +345,7 @@ static int abortboot_key_sequence(int bootdelay) uint64_t etime = endtick(bootdelay); if (IS_ENABLED(CONFIG_AUTOBOOT_FLUSH_STDIN)) - flush_stdin(); + console_flush_stdin(); # ifdef CONFIG_AUTOBOOT_PROMPT /* * CONFIG_AUTOBOOT_PROMPT includes the %d for all boards. diff --git a/common/board_f.c b/common/board_f.c index 11ad5779115..ce87c619e68 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -813,7 +813,16 @@ static int initf_dm(void) return 0; bootstage_start(BOOTSTAGE_ID_ACCUM_DM_F, "dm_f"); - ret = dm_init_and_scan(true); + + /* + * If SKIP_EARLY_DM is set then we just create an empty device + * model, the serial port will still be bound later through + * serial_find_console_or_panic() via /chosen/stdout-path + */ + if (!CONFIG_IS_ENABLED(SKIP_EARLY_DM)) + ret = dm_init_and_scan(true); + else + ret = dm_init(false); if (ret) return ret; diff --git a/common/cli.c b/common/cli.c index 4694a35cd0e..bcc7264d51a 100644 --- a/common/cli.c +++ b/common/cli.c @@ -295,6 +295,10 @@ err: void cli_loop(void) { bootstage_mark(BOOTSTAGE_ID_ENTER_CLI_LOOP); + + if (IS_ENABLED(CONFIG_CMDLINE_FLUSH_STDIN)) + console_flush_stdin(); + #if CONFIG_IS_ENABLED(HUSH_PARSER) if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) parse_and_run_file(); diff --git a/common/console.c b/common/console.c index 22e554cf203..54d1249422d 100644 --- a/common/console.c +++ b/common/console.c @@ -643,6 +643,15 @@ int tstc(void) return serial_tstc(); } +/** + * console_flush_stdin() - drops all pending characters from stdin + */ +void console_flush_stdin(void) +{ + while (tstc()) + (void)getchar(); +} + #define PRE_CONSOLE_FLUSHPOINT1_SERIAL 0 #define PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL 1 @@ -914,8 +923,7 @@ int confirm_yesno(void) char str_input[5]; /* Flush input */ - while (tstc()) - getchar(); + console_flush_stdin(); i = 0; while (i < sizeof(str_input)) { str_input[i] = getchar(); diff --git a/common/memsize.c b/common/memsize.c index 1abf3fc47d7..3ecf9bac2aa 100644 --- a/common/memsize.c +++ b/common/memsize.c @@ -127,6 +127,65 @@ long get_ram_size(long *base, long maxsize) return (maxsize); } +/** + * probe_ram_size_by_alias() - Detect RAM size using known alias addresses + * @checks: Array of RAM alias probe descriptors, terminated by a NULL + * @probe_addr entry + * + * Probe RAM size by writing a test pattern to each @probe_addr and checking + * whether the same pattern does not appear at the corresponding @alias_addr. + * This is useful on systems where address wrap-around does not alias to the + * base of memory in a linear way, so get_ram_size() cannot be used directly. + * It is also useful on systems where the base of the physical memory cannot + * be safely accessed, so get_ram_size() cannot be used at all. + * + * Return: The size associated with the first matching entry, or 0 if no match + * is found. + */ +long probe_ram_size_by_alias(const struct ram_alias_check *checks) +{ + long save[2]; + int dcache_en = 0; + long ret = 0; + + if (!CONFIG_IS_ENABLED(SYS_DCACHE_OFF)) + dcache_en = dcache_status(); + + while (checks->probe_addr && !ret) { + volatile long *d = checks->probe_addr; + volatile long *s = checks->alias_addr; + + save[0] = *s; + save[1] = *d; + /* Ensure s is written and not cached */ + if (dcache_en) + dcache_flush_invalidate(s); + + *d = ~save[0]; + sync(); + if (dcache_en) + dcache_flush_invalidate(d); + + if (*s != ~save[0]) + ret = checks->size; + + /* Restore content */ + *d = save[1]; + sync(); + if (dcache_en) + dcache_flush_invalidate(d); + + *s = save[0]; + sync(); + if (dcache_en) + dcache_flush_invalidate(s); + + checks++; + } + + return ret; +} + phys_size_t __weak get_effective_memsize(void) { phys_size_t ram_size = gd->ram_size; diff --git a/common/update.c b/common/update.c index 0bafffede9e..06e53cbd402 100644 --- a/common/update.c +++ b/common/update.c @@ -32,7 +32,7 @@ static uchar *saved_prot_info; #endif static int update_load(char *filename, ulong msec_max, int cnt_max, ulong addr) { - int rv; + int rv, ret; ulong saved_timeout_msecs; int saved_timeout_count; char *saved_netretry, *saved_bootfile; @@ -54,9 +54,9 @@ static int update_load(char *filename, ulong msec_max, int cnt_max, ulong addr) /* download the update file */ image_load_addr = addr; copy_filename(net_boot_file_name, filename, sizeof(net_boot_file_name)); - rv = net_loop(TFTPGET); + ret = net_loop(TFTPGET); - if (rv < 0) + if (ret < 0) rv = 1; else flush_cache(addr, net_boot_file_size); |
