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Diffstat (limited to 'arch/arm/mach-shmobile/board-bockw-reference.c')
-rw-r--r--arch/arm/mach-shmobile/board-bockw-reference.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-bockw-reference.c b/arch/arm/mach-shmobile/board-bockw-reference.c
index 1a7c893e1a52..ae88fdad4b3a 100644
--- a/arch/arm/mach-shmobile/board-bockw-reference.c
+++ b/arch/arm/mach-shmobile/board-bockw-reference.c
@@ -36,15 +36,35 @@ static const struct pinctrl_map bockw_pinctrl_map[] = {
"scif0_ctrl", "scif0"),
};
+#define FPGA 0x18200000
+#define IRQ0MR 0x30
+#define COMCTLR 0x101c
static void __init bockw_init(void)
{
+ static void __iomem *fpga;
+
r8a7778_clock_init();
+ r8a7778_init_irq_extpin_dt(1);
pinctrl_register_mappings(bockw_pinctrl_map,
ARRAY_SIZE(bockw_pinctrl_map));
r8a7778_pinmux_init();
r8a7778_add_dt_devices();
+ fpga = ioremap_nocache(FPGA, SZ_1M);
+ if (fpga) {
+ /*
+ * CAUTION
+ *
+ * IRQ0/1 is cascaded interrupt from FPGA.
+ * it should be cared in the future
+ * Now, it is assuming IRQ0 was used only from SMSC.
+ */
+ u16 val = ioread16(fpga + IRQ0MR);
+ val &= ~(1 << 4); /* enable SMSC911x */
+ iowrite16(val, fpga + IRQ0MR);
+ }
+
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}