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-rw-r--r--arch/arm/mach-shmobile/board-marzen.c157
1 files changed, 157 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c
new file mode 100644
index 00000000000..f0e02c0ce99
--- /dev/null
+++ b/arch/arm/mach-shmobile/board-marzen.c
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+/*
+ * marzen board support
+ *
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ * Copyright (C) 2011 Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/dma-mapping.h>
+#include <linux/smsc911x.h>
+#include <mach/hardware.h>
+#include <mach/r8a7779.h>
+#include <mach/common.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <asm/hardware/gic.h>
+#include <asm/traps.h>
+
+/* SMSC LAN89218 */
+static struct resource smsc911x_resources[] = {
+ [0] = {
+ .start = 0x18000000, /* ExCS0 */
+ .end = 0x180000ff, /* A1->A7 */
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = gic_spi(28), /* IRQ 1 */
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct smsc911x_platform_config smsc911x_platdata = {
+ .flags = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
+ .phy_interface = PHY_INTERFACE_MODE_MII,
+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+ .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
+};
+
+static struct platform_device eth_device = {
+ .name = "smsc911x",
+ .id = 0,
+ .dev = {
+ .platform_data = &smsc911x_platdata,
+ },
+ .resource = smsc911x_resources,
+ .num_resources = ARRAY_SIZE(smsc911x_resources),
+};
+
+static struct platform_device *marzen_devices[] __initdata = {
+ &eth_device,
+};
+
+static struct map_desc marzen_io_desc[] __initdata = {
+ /* 2M entity map for 0xf0000000 (MPCORE) */
+ {
+ .virtual = 0xf0000000,
+ .pfn = __phys_to_pfn(0xf0000000),
+ .length = SZ_2M,
+ .type = MT_DEVICE_NONSHARED
+ },
+ /* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */
+ {
+ .virtual = 0xfe000000,
+ .pfn = __phys_to_pfn(0xfe000000),
+ .length = SZ_16M,
+ .type = MT_DEVICE_NONSHARED
+ },
+};
+
+static void __init marzen_map_io(void)
+{
+ iotable_init(marzen_io_desc, ARRAY_SIZE(marzen_io_desc));
+}
+
+static void __init marzen_init_early(void)
+{
+ r8a7779_add_early_devices();
+
+ /* Early serial console setup is not included here due to
+ * memory map collisions. The SCIF serial ports in r8a7779
+ * are difficult to entity map 1:1 due to collision with the
+ * virtual memory range used by the coherent DMA code on ARM.
+ *
+ * Anyone wanting to debug early can remove UPF_IOREMAP from
+ * the sh-sci serial console platform data, adjust mapbase
+ * to a static M:N virt:phys mapping that needs to be added to
+ * the mappings passed with iotable_init() above.
+ *
+ * Then add a call to shmobile_setup_console() from this function.
+ *
+ * As a final step pass earlyprint=sh-sci.2,115200 on the kernel
+ * command line.
+ */
+}
+
+static void __init marzen_init(void)
+{
+ r8a7779_pinmux_init();
+
+ /* SCIF2 (CN18: DEBUG0) */
+ gpio_request(GPIO_FN_TX2_C, NULL);
+ gpio_request(GPIO_FN_RX2_C, NULL);
+
+ /* SCIF4 (CN19: DEBUG1) */
+ gpio_request(GPIO_FN_TX4, NULL);
+ gpio_request(GPIO_FN_RX4, NULL);
+
+ /* LAN89218 */
+ gpio_request(GPIO_FN_EX_CS0, NULL); /* nCS */
+ gpio_request(GPIO_FN_IRQ1_B, NULL); /* IRQ + PME */
+
+ r8a7779_add_standard_devices();
+ platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
+}
+
+static void __init marzen_timer_init(void)
+{
+ r8a7779_clock_init();
+ shmobile_timer.init();
+ return;
+}
+
+struct sys_timer marzen_timer = {
+ .init = marzen_timer_init,
+};
+
+MACHINE_START(MARZEN, "marzen")
+ .map_io = marzen_map_io,
+ .init_early = marzen_init_early,
+ .nr_irqs = NR_IRQS_LEGACY,
+ .init_irq = r8a7779_init_irq,
+ .handle_irq = gic_handle_irq,
+ .init_machine = marzen_init,
+ .timer = &marzen_timer,
+MACHINE_END