static void do_lpddr2_init(u32 base, u32 cs)
{
u32 mr_addr;
/* Wait till device auto initialization is complete */
while (get_mr(base, cs, LPDDR2_MR0) & LPDDR2_MR0_DAI_MASK)
;
set_mr(base, cs, LPDDR2_MR10, MR10_ZQ_ZQINIT);
/*
* tZQINIT = 1 us
* Enough loops assuming a maximum of 2GHz
*/
sdelay(2000);
set_mr(base, cs, LPDDR2_MR1, MR1_BL_8_BT_SEQ_WRAP_EN_NWR_3);
set_mr(base, cs, LPDDR2_MR16, MR16_REF_FULL_ARRAY);
/*
* Enable refresh along with writing MR2
* Encoding of RL in MR2 is (RL - 2)
*/
mr_addr = LPDDR2_MR2 | OMAP44XX_REG_REFRESH_EN_MASK;
set_mr(base, cs, mr_addr, RL_FINAL - 2);
}
/* Compute the delta between 2 resources snapshots.
* the ResourceDiff can have dangling pointers in old and nu, so dont clear
* them before being done with rd in the processing loop
*/
static struct ResourceDiff *NewStateDiff(const struct TrackedResources *old,
const struct TrackedResources *nu)
{
/* FIXME */
struct OpenedResourceNode *orn;
struct ResourceDiff *rd;
rd = get_rd();
if (!rd)
return NULL;
NEWLIST(&rd->modifiedOpened);
for(orn=(struct OpenedResourceNode *)nu->opened.lh_Head;
orn->node.ln_Succ!=NULL;
orn=(struct OpenedResourceNode *)orn->node.ln_Succ)
{
struct OpenedResourceNode *other;
BOOL seen = FALSE;
for(other=(struct OpenedResourceNode *)old->opened.lh_Head;
other->node.ln_Succ!=NULL;
other=(struct OpenedResourceNode *)other->node.ln_Succ)
{
if (orn->addr == other->addr)
{
if (!strcmp(orn->name, other->name))
{
seen = TRUE;
if (orn->count != other->count)
{
struct ModifiedResource *mr = get_mr();
if (!mr)
return NULL;
mr->type = other->type;
mr->name = other->name;
mr->addr = other->addr;
mr->before_count = other->count;
mr->after_count = orn->count;
Enqueue(&rd->modifiedOpened, (struct Node *)mr);
}
}
}
}
if (!seen)
{
struct ModifiedResource *mr = get_mr();
if (!mr)
return NULL;
mr->type = orn->type;
mr->name = orn->name;
mr->addr = orn->addr;
mr->before_count = 0;
mr->after_count = orn->count;
Enqueue(&rd->modifiedOpened, (struct Node *)mr);
}
}
rd->memLost = old->freeMem - nu->freeMem;
return rd;
}
