bf60x: sec: Enable sec interrupt source priority configuration.

Customize the SEC interrupt priority array in machine ints-priority.c.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index a7e97a3607da..5a109a184021 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -310,6 +310,23 @@ static void bfin_sec_disable(struct irq_data *d)
         hard_local_irq_restore(flags);
 }
 
+static void bfin_sec_set_priority(unsigned int sec_int_levels, u8 *sec_int_priority)
+{
+        unsigned long flags = hard_local_irq_save();
+        uint32_t reg_sctl;
+        int i;
+
+        bfin_write_SEC_SCI(0, SEC_CPLVL, sec_int_levels);
+
+        for (i = 0; i < SYS_IRQS - BFIN_IRQ(0); i++) {
+                reg_sctl = bfin_read_SEC_SCTL(i) & ~SEC_SCTL_PRIO;
+                reg_sctl |= sec_int_priority[i] << SEC_SCTL_PRIO_OFFSET;
+                bfin_write_SEC_SCTL(i, reg_sctl);
+        }
+
+        hard_local_irq_restore(flags);
+}
+
 static void bfin_sec_raise_irq(unsigned int sid)
 {
         unsigned long flags = hard_local_irq_save();
@@ -1534,6 +1551,10 @@ int __init init_arch_irq(void)
 
         printk(KERN_INFO "Configuring Blackfin Priority Driven Interrupts\n");
 
+        bfin_sec_set_priority(CONFIG_SEC_IRQ_PRIORITY_LEVELS, sec_int_priority);
+
+        bfin_sec_set_priority(CONFIG_SEC_IRQ_PRIORITY_LEVELS, sec_int_priority);
+
         /* Enable interrupts IVG7-15 */
         bfin_irq_flags |= IMASK_IVG15 |
             IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 |