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-rw-r--r--arch/arm/mach-shmobile/board-g4evm.c211
1 files changed, 211 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c
new file mode 100644
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+++ b/arch/arm/mach-shmobile/board-g4evm.c
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+/*
+ * G4EVM board support
+ *
+ * Copyright (C) 2010 Magnus Damm
+ * Copyright (C) 2008 Yoshihiro Shimoda
+ *
+ * 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/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/usb/r8a66597.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <mach/sh7377.h>
+#include <mach/common.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+static struct mtd_partition nor_flash_partitions[] = {
+ {
+ .name = "loader",
+ .offset = 0x00000000,
+ .size = 512 * 1024,
+ },
+ {
+ .name = "bootenv",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 512 * 1024,
+ },
+ {
+ .name = "kernel_ro",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 8 * 1024 * 1024,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 8 * 1024 * 1024,
+ },
+ {
+ .name = "data",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct physmap_flash_data nor_flash_data = {
+ .width = 2,
+ .parts = nor_flash_partitions,
+ .nr_parts = ARRAY_SIZE(nor_flash_partitions),
+};
+
+static struct resource nor_flash_resources[] = {
+ [0] = {
+ .start = 0x00000000,
+ .end = 0x08000000 - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device nor_flash_device = {
+ .name = "physmap-flash",
+ .dev = {
+ .platform_data = &nor_flash_data,
+ },
+ .num_resources = ARRAY_SIZE(nor_flash_resources),
+ .resource = nor_flash_resources,
+};
+
+/* USBHS */
+void usb_host_port_power(int port, int power)
+{
+ if (!power) /* only power-on supported for now */
+ return;
+
+ /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */
+ __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008);
+}
+
+static struct r8a66597_platdata usb_host_data = {
+ .on_chip = 1,
+ .port_power = usb_host_port_power,
+};
+
+static struct resource usb_host_resources[] = {
+ [0] = {
+ .name = "USBHS",
+ .start = 0xe6890000,
+ .end = 0xe68900e5,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 65,
+ .end = 65,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device usb_host_device = {
+ .name = "r8a66597_hcd",
+ .id = 0,
+ .dev = {
+ .platform_data = &usb_host_data,
+ .dma_mask = NULL,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(usb_host_resources),
+ .resource = usb_host_resources,
+};
+
+static struct platform_device *g4evm_devices[] __initdata = {
+ &nor_flash_device,
+ &usb_host_device,
+};
+
+static struct map_desc g4evm_io_desc[] __initdata = {
+ /* create a 1:1 entity map for 0xe6xxxxxx
+ * used by CPGA, INTC and PFC.
+ */
+ {
+ .virtual = 0xe6000000,
+ .pfn = __phys_to_pfn(0xe6000000),
+ .length = 256 << 20,
+ .type = MT_DEVICE_NONSHARED
+ },
+};
+
+static void __init g4evm_map_io(void)
+{
+ iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc));
+
+ /* setup early devices, clocks and console here as well */
+ sh7377_add_early_devices();
+ sh7367_clock_init(); /* use g3 clocks for now */
+ shmobile_setup_console();
+}
+
+static void __init g4evm_init(void)
+{
+ sh7377_pinmux_init();
+
+ /* Lit DS14 LED */
+ gpio_request(GPIO_PORT109, NULL);
+ gpio_direction_output(GPIO_PORT109, 1);
+ gpio_export(GPIO_PORT109, 1);
+
+ /* Lit DS15 LED */
+ gpio_request(GPIO_PORT110, NULL);
+ gpio_direction_output(GPIO_PORT110, 1);
+ gpio_export(GPIO_PORT110, 1);
+
+ /* Lit DS16 LED */
+ gpio_request(GPIO_PORT112, NULL);
+ gpio_direction_output(GPIO_PORT112, 1);
+ gpio_export(GPIO_PORT112, 1);
+
+ /* Lit DS17 LED */
+ gpio_request(GPIO_PORT113, NULL);
+ gpio_direction_output(GPIO_PORT113, 1);
+ gpio_export(GPIO_PORT113, 1);
+
+ /* USBHS */
+ gpio_request(GPIO_FN_VBUS_0, NULL);
+ gpio_request(GPIO_FN_PWEN, NULL);
+ gpio_request(GPIO_FN_OVCN, NULL);
+ gpio_request(GPIO_FN_OVCN2, NULL);
+ gpio_request(GPIO_FN_EXTLP, NULL);
+ gpio_request(GPIO_FN_IDIN, NULL);
+
+ /* enable clock in SMSTPCR3 */
+ __raw_writel(__raw_readl(0xe615013c) & ~(1 << 22), 0xe615013c);
+
+ /* setup USB phy */
+ __raw_writew(0x0200, 0xe605810a); /* USBCR1 */
+ __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */
+ __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */
+ __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */
+
+ sh7377_add_standard_devices();
+
+ platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices));
+}
+
+MACHINE_START(G4EVM, "g4evm")
+ .phys_io = 0xe6000000,
+ .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
+ .map_io = g4evm_map_io,
+ .init_irq = sh7377_init_irq,
+ .init_machine = g4evm_init,
+ .timer = &shmobile_timer,
+MACHINE_END
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