@@ -119,6 +119,7 @@ config MACH_BOCKW
bool "BOCK-W platform"
depends on ARCH_R8A7778
select ARCH_REQUIRE_GPIOLIB
+ select RENESAS_INTC_IRQPIN
select USE_OF
config MACH_MARZEN
@@ -19,14 +19,52 @@
*/
#include <linux/platform_device.h>
+#include <linux/smsc911x.h>
#include <mach/common.h>
+#include <mach/irqs.h>
#include <mach/r8a7778.h>
#include <asm/mach/arch.h>
+static struct smsc911x_platform_config smsc911x_data = {
+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+ .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
+ .flags = SMSC911X_USE_32BIT,
+ .phy_interface = PHY_INTERFACE_MODE_MII,
+};
+
+static struct resource smsc911x_resources[] = {
+ DEFINE_RES_MEM(0x18300000, 0x1000),
+ DEFINE_RES_IRQ(irq_pin(0)), /* IRQ 0 */
+};
+
+#define IRQ0MR 0x30
static void __init bockw_init(void)
{
+ void __iomem *fpga;
+
r8a7778_clock_init();
+ r8a7778_init_irq_extpin(1);
r8a7778_add_standard_devices();
+
+ fpga = ioremap_nocache(0x18200000, 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);
+ iounmap(fpga);
+
+ platform_device_register_resndata(
+ &platform_bus, "smsc911x", -1,
+ smsc911x_resources, ARRAY_SIZE(smsc911x_resources),
+ &smsc911x_data, sizeof(smsc911x_data));
+ }
}
static const char *bockw_boards_compat_dt[] __initdata = {
This patch adds SMSC ethernet support on Bock-W Bock-W SMSC needs FPGA settings which enables interrupt. This patch does it on bockw_init() function. As notes for future, this FPGA settings should be updated, since this FPGA is using cascaded interrupt. Current code is assuming that this FPGA interrupt user is only SMSC. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> --- v2 -> v3 - C code only arch/arm/mach-shmobile/Kconfig | 1 + arch/arm/mach-shmobile/board-bockw.c | 38 ++++++++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+)