Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / arm / mach-sa1100 / nanoengine.c

diff --git a/arch/arm/mach-sa1100/nanoengine.c b/arch/arm/mach-sa1100/nanoengine.c
new file mode 100644 (file)
index 0000000..72087f0
--- /dev/null
+++ b/arch/arm/mach-sa1100/nanoengine.c
@@ -0,0 +1,119 @@
+/*
+ * linux/arch/arm/mach-sa1100/nanoengine.c
+ *
+ * Bright Star Engineering's nanoEngine board init code.
+ *
+ * Copyright (C) 2010 Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
+ *
+ * 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/init.h>
+#include <linux/kernel.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/root_dev.h>
+
+#include <asm/mach-types.h>
+#include <asm/setup.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/map.h>
+#include <asm/mach/serial_sa1100.h>
+
+#include <mach/hardware.h>
+#include <mach/nanoengine.h>
+
+#include "generic.h"
+
+/* Flash bank 0 */
+static struct mtd_partition nanoengine_partitions[] = {
+       {
+               .name   = "nanoEngine boot firmware and parameter table",
+               .size           = 0x00010000,  /* 32K */
+               .offset         = 0,
+               .mask_flags     = MTD_WRITEABLE,
+       }, {
+               .name           = "kernel/initrd reserved",
+               .size           = 0x002f0000,
+               .offset         = 0x00010000,
+               .mask_flags     = MTD_WRITEABLE,
+       }, {
+               .name           = "experimental filesystem allocation",
+               .size           = 0x00100000,
+               .offset         = 0x00300000,
+               .mask_flags     = MTD_WRITEABLE,
+       }
+};
+
+static struct flash_platform_data nanoengine_flash_data = {
+       .map_name       = "jedec_probe",
+       .parts          = nanoengine_partitions,
+       .nr_parts       = ARRAY_SIZE(nanoengine_partitions),
+};
+
+static struct resource nanoengine_flash_resources[] = {
+       {
+               .start  = SA1100_CS0_PHYS,
+               .end    = SA1100_CS0_PHYS + SZ_32M - 1,
+               .flags  = IORESOURCE_MEM,
+       }, {
+               .start  = SA1100_CS1_PHYS,
+               .end    = SA1100_CS1_PHYS + SZ_32M - 1,
+               .flags  = IORESOURCE_MEM,
+       }
+};
+
+static struct map_desc nanoengine_io_desc[] __initdata = {
+       {
+               /* System Registers */
+               .virtual        = 0xf0000000,
+               .pfn            = __phys_to_pfn(0x10000000),
+               .length         = 0x00100000,
+               .type           = MT_DEVICE
+       }, {
+               /* Internal PCI Memory Read/Write */
+               .virtual        = NANO_PCI_MEM_RW_VIRT,
+               .pfn            = __phys_to_pfn(NANO_PCI_MEM_RW_PHYS),
+               .length         = NANO_PCI_MEM_RW_SIZE,
+               .type           = MT_DEVICE
+       }, {
+               /* Internal PCI Config Space */
+               .virtual        = NANO_PCI_CONFIG_SPACE_VIRT,
+               .pfn            = __phys_to_pfn(NANO_PCI_CONFIG_SPACE_PHYS),
+               .length         = NANO_PCI_CONFIG_SPACE_SIZE,
+               .type           = MT_DEVICE
+       }
+};
+
+static void __init nanoengine_map_io(void)
+{
+       sa1100_map_io();
+       iotable_init(nanoengine_io_desc, ARRAY_SIZE(nanoengine_io_desc));
+
+       sa1100_register_uart(0, 1);
+       sa1100_register_uart(1, 2);
+       sa1100_register_uart(2, 3);
+       Ser1SDCR0 |= SDCR0_UART;
+       /* disable IRDA -- UART2 is used as a normal serial port */
+       Ser2UTCR4 = 0;
+       Ser2HSCR0 = 0;
+}
+
+static void __init nanoengine_init(void)
+{
+       sa11x0_register_mtd(&nanoengine_flash_data, nanoengine_flash_resources,
+               ARRAY_SIZE(nanoengine_flash_resources));
+}
+
+MACHINE_START(NANOENGINE, "BSE nanoEngine")
+       .boot_params    = 0xc0000000,
+       .map_io         = nanoengine_map_io,
+       .init_irq       = sa1100_init_irq,
+       .timer          = &sa1100_timer,
+       .init_machine   = nanoengine_init,
+MACHINE_END