/* The mapping used here has to be the same as in setup_ext_logbuff ()
in linux/kernel/printk */
void logbuff_init_ptrs (void)
{
DECLARE_GLOBAL_DATA_PTR;
unsigned long *ext_tag;
unsigned long post_word;
char *s;
log_buf = (unsigned char *)(gd->bd->bi_memsize-LOGBUFF_LEN);
ext_tag = (unsigned long *)(log_buf)-4;
ext_log_start = (unsigned long *)(log_buf)-3;
ext_log_size = (unsigned long *)(log_buf)-2;
ext_logged_chars = (unsigned long *)(log_buf)-1;
post_word = post_word_load();
#ifdef CONFIG_POST
/* The post routines have setup the word so we can simply test it */
if (post_word_load () & POST_COLDBOOT) {
logged_chars = log_size = log_start = 0;
*ext_tag = LOGBUFF_MAGIC;
}
#else
/* No post routines, so we do our own checking */
if (post_word != LOGBUFF_MAGIC) {
logged_chars = log_size = log_start = 0;
post_word_store (LOGBUFF_MAGIC);
*ext_tag = LOGBUFF_MAGIC;
}
#endif
/* Initialize default loglevel if present */
if ((s = getenv ("loglevel")) != NULL)
console_loglevel = (int)simple_strtoul (s, NULL, 10);
gd->post_log_word |= LOGBUFF_INITIALIZED;
}
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;
}
int interrupt_init_cpu(unsigned long *decrementer_count)
{
volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
volatile ccsr_pic_t *pic = &immr->im_pic;
#ifdef CONFIG_POST
/*
* The POST word is stored in the PIC's TFRR register which gets
* cleared when the PIC is reset. Save it off so we can restore it
* later.
*/
ulong post_word = post_word_load();
#endif
pic->gcr = MPC86xx_PICGCR_RST;
while (pic->gcr & MPC86xx_PICGCR_RST)
;
pic->gcr = MPC86xx_PICGCR_MODE;
*decrementer_count = get_tbclk() / CONFIG_SYS_HZ;
debug("interrupt init: tbclk() = %ld MHz, decrementer_count = %ld\n",
(get_tbclk() / 1000000),
*decrementer_count);
#ifdef CONFIG_INTERRUPTS
pic->iivpr1 = 0x810001; /* 50220 enable mcm interrupts */
debug("iivpr1@%p = %x\n", &pic->iivpr1, pic->iivpr1);
pic->iivpr2 = 0x810002; /* 50240 enable ddr interrupts */
debug("iivpr2@%p = %x\n", &pic->iivpr2, pic->iivpr2);
pic->iivpr3 = 0x810003; /* 50260 enable lbc interrupts */
debug("iivpr3@%p = %x\n", &pic->iivpr3, pic->iivpr3);
#if defined(CONFIG_PCI1) || defined(CONFIG_PCIE1)
pic->iivpr8 = 0x810008; /* enable pcie1 interrupts */
debug("iivpr8@%p = %x\n", &pic->iivpr8, pic->iivpr8);
#endif
#if defined(CONFIG_PCI2) || defined(CONFIG_PCIE2)
pic->iivpr9 = 0x810009; /* enable pcie2 interrupts */
debug("iivpr9@%p = %x\n", &pic->iivpr9, pic->iivpr9);
#endif
pic->ctpr = 0; /* 40080 clear current task priority register */
#endif
#ifdef CONFIG_POST
post_word_store(post_word);
#endif
return 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;
}
void logbuff_init_ptrs (void)
{
unsigned long tag, post_word;
char *s;
#ifdef CONFIG_ALT_LB_ADDR
log = (logbuff_t *)CONFIG_ALT_LH_ADDR;
lbuf = (char *)CONFIG_ALT_LB_ADDR;
#else
log = (logbuff_t *)(logbuffer_base ()) - 1;
lbuf = (char *)log->buf;
#endif
/* Set up log version */
if ((s = getenv ("logversion")) != NULL)
log_version = (int)simple_strtoul (s, NULL, 10);
if (log_version == 2)
tag = log->v2.tag;
else
tag = log->v1.tag;
post_word = post_word_load();
#ifdef CONFIG_POST
/* The post routines have setup the word so we can simply test it */
if (tag != LOGBUFF_MAGIC || (post_word & POST_COLDBOOT)) {
logbuff_reset ();
}
#else
/* No post routines, so we do our own checking */
if (tag != LOGBUFF_MAGIC || post_word != LOGBUFF_MAGIC) {
logbuff_reset ();
post_word_store (LOGBUFF_MAGIC);
}
#endif
if (log_version == 2 && (long)log->v2.start > (long)log->v2.con)
log->v2.start = log->v2.con;
/* Initialize default loglevel if present */
if ((s = getenv ("loglevel")) != NULL)
console_loglevel = (int)simple_strtoul (s, NULL, 10);
gd->flags |= GD_FLG_LOGINIT;
}
