aboutsummaryrefslogtreecommitdiff
path: root/lib/utils/timer/fdt_timer_mtimer.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/utils/timer/fdt_timer_mtimer.c')
-rw-r--r--lib/utils/timer/fdt_timer_mtimer.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/lib/utils/timer/fdt_timer_mtimer.c b/lib/utils/timer/fdt_timer_mtimer.c
index 3f830ad..b08ed38 100644
--- a/lib/utils/timer/fdt_timer_mtimer.c
+++ b/lib/utils/timer/fdt_timer_mtimer.c
@@ -22,7 +22,7 @@ static int timer_mtimer_cold_init(void *fdt, int nodeoff,
const struct fdt_match *match)
{
int rc;
- unsigned long offset, addr, size;
+ unsigned long offset, addr[2], size[2];
struct aclint_mtimer_data *mt, *mtmaster = NULL;
if (MTIMER_MAX_NR <= mtimer_count)
@@ -31,18 +31,19 @@ static int timer_mtimer_cold_init(void *fdt, int nodeoff,
if (0 < mtimer_count)
mtmaster = &mtimer[0];
- rc = fdt_parse_aclint_node(fdt, nodeoff, true, &addr, &size,
+ rc = fdt_parse_aclint_node(fdt, nodeoff, true,
+ &addr[0], &size[0], &addr[1], &size[1],
&mt->first_hartid, &mt->hart_count);
if (rc)
return rc;
mt->has_64bit_mmio = true;
- mt->mtimecmp_addr = addr + ACLINT_DEFAULT_MTIMECMP_OFFSET;
- mt->mtimecmp_size = ACLINT_DEFAULT_MTIMECMP_SIZE;
- mt->mtime_addr = addr + ACLINT_DEFAULT_MTIME_OFFSET;
- mt->mtime_size = size - mt->mtimecmp_size;
-
- if (match->data) {
+ if (match->data) { /* SiFive CLINT */
+ /* Set CLINT addresses */
+ mt->mtimecmp_addr = addr[0] + ACLINT_DEFAULT_MTIMECMP_OFFSET;
+ mt->mtimecmp_size = ACLINT_DEFAULT_MTIMECMP_SIZE;
+ mt->mtime_addr = addr[0] + ACLINT_DEFAULT_MTIME_OFFSET;
+ mt->mtime_size = size[0] - mt->mtimecmp_size;
/* Adjust MTIMER address and size for CLINT device */
offset = *((unsigned long *)match->data);
mt->mtime_addr += offset;
@@ -51,6 +52,12 @@ static int timer_mtimer_cold_init(void *fdt, int nodeoff,
/* Parse additional CLINT properties */
if (fdt_getprop(fdt, nodeoff, "clint,has-no-64bit-mmio", &rc))
mt->has_64bit_mmio = false;
+ } else { /* RISC-V ACLINT MTIMER */
+ /* Set ACLINT MTIMER addresses */
+ mt->mtime_addr = addr[0];
+ mt->mtime_size = size[0];
+ mt->mtimecmp_addr = addr[1];
+ mt->mtimecmp_size = size[1];
}
rc = aclint_mtimer_cold_init(mt, mtmaster);