Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mach-ks8695 / board-dsm320.c

diff --git a/kernel/arch/arm/mach-ks8695/board-dsm320.c b/kernel/arch/arm/mach-ks8695/board-dsm320.c
new file mode 100644 (file)
index 0000000..d37c218
--- /dev/null
+++ b/kernel/arch/arm/mach-ks8695/board-dsm320.c
@@ -0,0 +1,130 @@
+/*
+ * arch/arm/mach-ks8695/board-dsm320.c
+ *
+ * DSM-320 D-Link Wireless Media Player, board support.
+ *
+ * Copyright 2008 Simtec Electronics
+ *               Daniel Silverstone <dsilvers@simtec.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach-types.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/devices.h>
+#include <mach/gpio-ks8695.h>
+
+#include "generic.h"
+
+#ifdef CONFIG_PCI
+static int dsm320_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+       switch (slot) {
+       case 0:
+               /* PCI-AHB bridge? */
+               return KS8695_IRQ_EXTERN0;
+       case 18:
+               /* Mini PCI slot */
+               return KS8695_IRQ_EXTERN2;
+       case 20:
+               /* RealMAGIC chip */
+               return KS8695_IRQ_EXTERN0;
+       }
+       BUG();
+}
+
+static struct ks8695_pci_cfg __initdata dsm320_pci = {
+       .mode           = KS8695_MODE_MINIPCI,
+       .map_irq        = dsm320_pci_map_irq,
+};
+
+static void __init dsm320_register_pci(void)
+{
+       /* Initialise the GPIO lines for interrupt mode */
+       /* RealMAGIC */
+       ks8695_gpio_interrupt(KS8695_GPIO_0, IRQ_TYPE_LEVEL_LOW);
+       /* MiniPCI Slot */
+       ks8695_gpio_interrupt(KS8695_GPIO_2, IRQ_TYPE_LEVEL_LOW);
+
+       ks8695_init_pci(&dsm320_pci);
+}
+
+#else
+static inline void __init dsm320_register_pci(void) { }
+#endif
+
+static struct physmap_flash_data dsm320_nor_pdata = {
+       .width          = 4,
+       .nr_parts       = 0,
+};
+
+static struct resource dsm320_nor_resource[] = {
+       [0] = {
+               .start = SZ_32M, /* We expect the bootloader to map
+                                 * the flash here.
+                                 */
+               .end   = SZ_32M + SZ_4M - 1,
+               .flags = IORESOURCE_MEM,
+       }
+};
+
+static struct platform_device dsm320_device_nor = {
+       .name           = "physmap-flash",
+       .id             = -1,
+       .num_resources  = ARRAY_SIZE(dsm320_nor_resource),
+       .resource       = dsm320_nor_resource,
+       .dev            = {
+               .platform_data = &dsm320_nor_pdata,
+       },
+};
+
+void __init dsm320_register_nor(void)
+{
+       int ret;
+
+       ret = platform_device_register(&dsm320_device_nor);
+       if (ret < 0)
+               printk(KERN_ERR "failed to register physmap-flash device\n");
+}
+
+static void __init dsm320_init(void)
+{
+       /* GPIO registration */
+       ks8695_register_gpios();
+
+       /* PCI registration */
+       dsm320_register_pci();
+
+       /* Network device */
+       ks8695_add_device_lan();        /* eth0 = LAN */
+
+       /* NOR devices */
+       dsm320_register_nor();
+}
+
+MACHINE_START(DSM320, "D-Link DSM-320 Wireless Media Player")
+       /* Maintainer: Simtec Electronics. */
+       .atag_offset    = 0x100,
+       .map_io         = ks8695_map_io,
+       .init_irq       = ks8695_init_irq,
+       .init_machine   = dsm320_init,
+       .init_time      = ks8695_timer_init,
+       .restart        = ks8695_restart,
+MACHINE_END