diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
---|---|---|
committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/post/post.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/post/post.c')
-rw-r--r-- | qemu/roms/u-boot/post/post.c | 489 |
1 files changed, 489 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/post/post.c b/qemu/roms/u-boot/post/post.c new file mode 100644 index 000000000..4af5355fa --- /dev/null +++ b/qemu/roms/u-boot/post/post.c @@ -0,0 +1,489 @@ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <stdio_dev.h> +#include <watchdog.h> +#include <div64.h> +#include <post.h> + +#ifdef CONFIG_SYS_POST_HOTKEYS_GPIO +#include <asm/gpio.h> +#endif + +#ifdef CONFIG_LOGBUFFER +#include <logbuff.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + +#define POST_MAX_NUMBER 32 + +#define BOOTMODE_MAGIC 0xDEAD0000 + +int post_init_f(void) +{ + int res = 0; + unsigned int i; + + for (i = 0; i < post_list_size; i++) { + struct post_test *test = post_list + i; + + if (test->init_f && test->init_f()) + res = -1; + } + + gd->post_init_f_time = post_time_ms(0); + if (!gd->post_init_f_time) + printf("%s: post_time_ms not implemented\n", __FILE__); + + return res; +} + +/* + * Supply a default implementation for post_hotkeys_pressed() for boards + * without hotkey support. We always return 0 here, so that the + * long-running tests won't be started. + * + * Boards with hotkey support can override this weak default function + * by defining one in their board specific code. + */ +int __post_hotkeys_pressed(void) +{ +#ifdef CONFIG_SYS_POST_HOTKEYS_GPIO + int ret; + unsigned gpio = CONFIG_SYS_POST_HOTKEYS_GPIO; + + ret = gpio_request(gpio, "hotkeys"); + if (ret) { + printf("POST: gpio hotkey request failed\n"); + return 0; + } + + gpio_direction_input(gpio); + ret = gpio_get_value(gpio); + gpio_free(gpio); + + return ret; +#endif + + return 0; /* No hotkeys supported */ +} +int post_hotkeys_pressed(void) + __attribute__((weak, alias("__post_hotkeys_pressed"))); + + +void post_bootmode_init(void) +{ + int bootmode = post_bootmode_get(0); + int newword; + + if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) + newword = BOOTMODE_MAGIC | POST_SLOWTEST; + else if (bootmode == 0) + newword = BOOTMODE_MAGIC | POST_POWERON; + else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) + newword = BOOTMODE_MAGIC | POST_NORMAL; + else + /* Use old value */ + newword = post_word_load() & ~POST_COLDBOOT; + + if (bootmode == 0) + /* We are booting after power-on */ + newword |= POST_COLDBOOT; + + post_word_store(newword); + + /* Reset activity record */ + gd->post_log_word = 0; + gd->post_log_res = 0; +} + +int post_bootmode_get(unsigned int *last_test) +{ + unsigned long word = post_word_load(); + int bootmode; + + if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) + return 0; + + bootmode = word & 0x7F; + + if (last_test && (bootmode & POST_POWERTEST)) + *last_test = (word >> 8) & 0xFF; + + return bootmode; +} + +/* POST tests run before relocation only mark status bits .... */ +static void post_log_mark_start(unsigned long testid) +{ + gd->post_log_word |= testid; +} + +static void post_log_mark_succ(unsigned long testid) +{ + gd->post_log_res |= testid; +} + +/* ... and the messages are output once we are relocated */ +void post_output_backlog(void) +{ + int j; + + for (j = 0; j < post_list_size; j++) { + if (gd->post_log_word & (post_list[j].testid)) { + post_log("POST %s ", post_list[j].cmd); + if (gd->post_log_res & post_list[j].testid) + post_log("PASSED\n"); + else { + post_log("FAILED\n"); + bootstage_error(BOOTSTAGE_ID_POST_FAIL_R); + } + } + } +} + +static void post_bootmode_test_on(unsigned int last_test) +{ + unsigned long word = post_word_load(); + + word |= POST_POWERTEST; + + word |= (last_test & 0xFF) << 8; + + post_word_store(word); +} + +static void post_bootmode_test_off(void) +{ + unsigned long word = post_word_load(); + + word &= ~POST_POWERTEST; + + post_word_store(word); +} + +#ifndef CONFIG_POST_SKIP_ENV_FLAGS +static void post_get_env_flags(int *test_flags) +{ + int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST, + POST_CRITICAL }; + char *var[] = { "post_poweron", "post_normal", "post_slowtest", + "post_critical" }; + int varnum = ARRAY_SIZE(var); + char list[128]; /* long enough for POST list */ + char *name; + char *s; + int last; + int i, j; + + for (i = 0; i < varnum; i++) { + if (getenv_f(var[i], list, sizeof(list)) <= 0) + continue; + + for (j = 0; j < post_list_size; j++) + test_flags[j] &= ~flag[i]; + + last = 0; + name = list; + while (!last) { + while (*name && *name == ' ') + name++; + if (*name == 0) + break; + s = name + 1; + while (*s && *s != ' ') + s++; + if (*s == 0) + last = 1; + else + *s = 0; + + for (j = 0; j < post_list_size; j++) { + if (strcmp(post_list[j].cmd, name) == 0) { + test_flags[j] |= flag[i]; + break; + } + } + + if (j == post_list_size) + printf("No such test: %s\n", name); + + name = s + 1; + } + } +} +#endif + +static void post_get_flags(int *test_flags) +{ + int j; + + for (j = 0; j < post_list_size; j++) + test_flags[j] = post_list[j].flags; + +#ifndef CONFIG_POST_SKIP_ENV_FLAGS + post_get_env_flags(test_flags); +#endif + + for (j = 0; j < post_list_size; j++) + if (test_flags[j] & POST_POWERON) + test_flags[j] |= POST_SLOWTEST; +} + +void __show_post_progress(unsigned int test_num, int before, int result) +{ +} +void show_post_progress(unsigned int, int, int) + __attribute__((weak, alias("__show_post_progress"))); + +static int post_run_single(struct post_test *test, + int test_flags, int flags, unsigned int i) +{ + if ((flags & test_flags & POST_ALWAYS) && + (flags & test_flags & POST_MEM)) { + WATCHDOG_RESET(); + + if (!(flags & POST_REBOOT)) { + if ((test_flags & POST_REBOOT) && + !(flags & POST_MANUAL)) { + post_bootmode_test_on( + (gd->flags & GD_FLG_POSTFAIL) ? + POST_FAIL_SAVE | i : i); + } + + if (test_flags & POST_PREREL) + post_log_mark_start(test->testid); + else + post_log("POST %s ", test->cmd); + } + + show_post_progress(i, POST_BEFORE, POST_FAILED); + + if (test_flags & POST_PREREL) { + if ((*test->test)(flags) == 0) { + post_log_mark_succ(test->testid); + show_post_progress(i, POST_AFTER, POST_PASSED); + } else { + show_post_progress(i, POST_AFTER, POST_FAILED); + if (test_flags & POST_CRITICAL) + gd->flags |= GD_FLG_POSTFAIL; + if (test_flags & POST_STOP) + gd->flags |= GD_FLG_POSTSTOP; + } + } else { + if ((*test->test)(flags) != 0) { + post_log("FAILED\n"); + bootstage_error(BOOTSTAGE_ID_POST_FAIL_R); + show_post_progress(i, POST_AFTER, POST_FAILED); + if (test_flags & POST_CRITICAL) + gd->flags |= GD_FLG_POSTFAIL; + if (test_flags & POST_STOP) + gd->flags |= GD_FLG_POSTSTOP; + } else { + post_log("PASSED\n"); + show_post_progress(i, POST_AFTER, POST_PASSED); + } + } + + if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) + post_bootmode_test_off(); + + return 0; + } else { + return -1; + } +} + +int post_run(char *name, int flags) +{ + unsigned int i; + int test_flags[POST_MAX_NUMBER]; + + post_get_flags(test_flags); + + if (name == NULL) { + unsigned int last; + + if (gd->flags & GD_FLG_POSTSTOP) + return 0; + + if (post_bootmode_get(&last) & POST_POWERTEST) { + if (last & POST_FAIL_SAVE) { + last &= ~POST_FAIL_SAVE; + gd->flags |= GD_FLG_POSTFAIL; + } + if (last < post_list_size && + (flags & test_flags[last] & POST_ALWAYS) && + (flags & test_flags[last] & POST_MEM)) { + + post_run_single(post_list + last, + test_flags[last], + flags | POST_REBOOT, last); + + for (i = last + 1; i < post_list_size; i++) { + if (gd->flags & GD_FLG_POSTSTOP) + break; + post_run_single(post_list + i, + test_flags[i], + flags, i); + } + } + } else { + for (i = 0; i < post_list_size; i++) { + if (gd->flags & GD_FLG_POSTSTOP) + break; + post_run_single(post_list + i, + test_flags[i], + flags, i); + } + } + + return 0; + } else { + for (i = 0; i < post_list_size; i++) { + if (strcmp(post_list[i].cmd, name) == 0) + break; + } + + if (i < post_list_size) { + WATCHDOG_RESET(); + return post_run_single(post_list + i, + test_flags[i], + flags, i); + } else { + return -1; + } + } +} + +static int post_info_single(struct post_test *test, int full) +{ + if (test->flags & POST_MANUAL) { + if (full) + printf("%s - %s\n" + " %s\n", test->cmd, test->name, test->desc); + else + printf(" %-15s - %s\n", test->cmd, test->name); + + return 0; + } else { + return -1; + } +} + +int post_info(char *name) +{ + unsigned int i; + + if (name == NULL) { + for (i = 0; i < post_list_size; i++) + post_info_single(post_list + i, 0); + + return 0; + } else { + for (i = 0; i < post_list_size; i++) { + if (strcmp(post_list[i].cmd, name) == 0) + break; + } + + if (i < post_list_size) + return post_info_single(post_list + i, 1); + else + return -1; + } +} + +int post_log(char *format, ...) +{ + va_list args; + char printbuffer[CONFIG_SYS_PBSIZE]; + + va_start(args, format); + + /* For this to work, printbuffer must be larger than + * anything we ever want to print. + */ + vsprintf(printbuffer, format, args); + va_end(args); + +#ifdef CONFIG_LOGBUFFER + /* Send to the logbuffer */ + logbuff_log(printbuffer); +#else + /* Send to the stdout file */ + puts(printbuffer); +#endif + + return 0; +} + +#ifdef CONFIG_NEEDS_MANUAL_RELOC +void post_reloc(void) +{ + unsigned int i; + + /* + * We have to relocate the test table manually + */ + for (i = 0; i < post_list_size; i++) { + ulong addr; + struct post_test *test = post_list + i; + + if (test->name) { + addr = (ulong)(test->name) + gd->reloc_off; + test->name = (char *)addr; + } + + if (test->cmd) { + addr = (ulong)(test->cmd) + gd->reloc_off; + test->cmd = (char *)addr; + } + + if (test->desc) { + addr = (ulong)(test->desc) + gd->reloc_off; + test->desc = (char *)addr; + } + + if (test->test) { + addr = (ulong)(test->test) + gd->reloc_off; + test->test = (int (*)(int flags)) addr; + } + + if (test->init_f) { + addr = (ulong)(test->init_f) + gd->reloc_off; + test->init_f = (int (*)(void)) addr; + } + + if (test->reloc) { + addr = (ulong)(test->reloc) + gd->reloc_off; + test->reloc = (void (*)(void)) addr; + + test->reloc(); + } + } +} +#endif + + +/* + * Some tests (e.g. SYSMON) need the time when post_init_f started, + * but we cannot use get_timer() at this point. + * + * On PowerPC we implement it using the timebase register. + */ +unsigned long post_time_ms(unsigned long base) +{ +#if defined(CONFIG_PPC) || defined(CONFIG_BLACKFIN) || defined(CONFIG_ARM) + return (unsigned long)lldiv(get_ticks(), get_tbclk() / CONFIG_SYS_HZ) + - base; +#else +#warning "Not implemented yet" + return 0; /* Not implemented yet */ +#endif +} |