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+/* linux/arch/arm/mach-pxa/xcep.c
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+ *
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+ * Support for the Iskratel Electronics XCEP platform as used in
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+ * the Libera instruments from Instrumentation Technologies.
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+ *
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+ * Author: Ales Bardorfer <ales@i-tech.si>
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+ * Contributions by: Abbott, MG (Michael) <michael.abbott@diamond.ac.uk>
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+ * Contributions by: Matej Kenda <matej.kenda@i-tech.si>
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+ * Created: June 2006
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+ * Copyright: (C) 2006-2009 Instrumentation Technologies
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ */
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+
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+#include <linux/platform_device.h>
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+#include <linux/i2c.h>
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+#include <linux/smc91x.h>
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+#include <linux/mtd/mtd.h>
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+#include <linux/mtd/partitions.h>
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+#include <linux/mtd/physmap.h>
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+
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+#include <asm/mach-types.h>
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+#include <asm/mach/arch.h>
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+#include <asm/mach/irq.h>
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+#include <asm/mach/map.h>
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+
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+#include <plat/i2c.h>
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+
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+#include <mach/hardware.h>
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+#include <mach/pxa2xx-regs.h>
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+#include <mach/mfp-pxa25x.h>
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+
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+#include "generic.h"
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+
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+#define XCEP_ETH_PHYS (PXA_CS3_PHYS + 0x00000300)
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+#define XCEP_ETH_PHYS_END (PXA_CS3_PHYS + 0x000fffff)
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+#define XCEP_ETH_ATTR (PXA_CS3_PHYS + 0x02000000)
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+#define XCEP_ETH_ATTR_END (PXA_CS3_PHYS + 0x020fffff)
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+#define XCEP_ETH_IRQ IRQ_GPIO0
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+
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+/* XCEP CPLD base */
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+#define XCEP_CPLD_BASE 0xf0000000
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+
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+
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+/* Flash partitions. */
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+
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+static struct mtd_partition xcep_partitions[] = {
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+ {
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+ .name = "Bootloader",
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+ .size = 0x00040000,
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+ .offset = 0,
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+ .mask_flags = MTD_WRITEABLE
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+ }, {
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+ .name = "Bootloader ENV",
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+ .size = 0x00040000,
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+ .offset = 0x00040000,
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+ .mask_flags = MTD_WRITEABLE
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+ }, {
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+ .name = "Kernel",
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+ .size = 0x00100000,
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+ .offset = 0x00080000,
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+ }, {
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+ .name = "Rescue fs",
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+ .size = 0x00280000,
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+ .offset = 0x00180000,
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+ }, {
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+ .name = "Filesystem",
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+ .size = MTDPART_SIZ_FULL,
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+ .offset = 0x00400000
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+ }
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+};
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+
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+static struct physmap_flash_data xcep_flash_data[] = {
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+ {
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+ .width = 4, /* bankwidth in bytes */
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+ .parts = xcep_partitions,
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+ .nr_parts = ARRAY_SIZE(xcep_partitions)
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+ }
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+};
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+
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+static struct resource flash_resource = {
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+ .start = PXA_CS0_PHYS,
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+ .end = PXA_CS0_PHYS + SZ_32M - 1,
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+ .flags = IORESOURCE_MEM,
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+};
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+
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+static struct platform_device flash_device = {
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+ .name = "physmap-flash",
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+ .id = 0,
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+ .dev = {
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+ .platform_data = xcep_flash_data,
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+ },
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+ .resource = &flash_resource,
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+ .num_resources = 1,
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+};
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+
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+
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+
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+/* SMC LAN91C111 network controller. */
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+
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+static struct resource smc91x_resources[] = {
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+ [0] = {
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+ .name = "smc91x-regs",
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+ .start = XCEP_ETH_PHYS,
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+ .end = XCEP_ETH_PHYS_END,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ [1] = {
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+ .start = XCEP_ETH_IRQ,
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+ .end = XCEP_ETH_IRQ,
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+ .flags = IORESOURCE_IRQ,
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+ },
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+ [2] = {
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+ .name = "smc91x-attrib",
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+ .start = XCEP_ETH_ATTR,
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+ .end = XCEP_ETH_ATTR_END,
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+ .flags = IORESOURCE_MEM,
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+ },
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+};
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+
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+static struct smc91x_platdata xcep_smc91x_info = {
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+ .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
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+};
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+
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+static struct platform_device smc91x_device = {
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+ .name = "smc91x",
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+ .id = -1,
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+ .num_resources = ARRAY_SIZE(smc91x_resources),
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+ .resource = smc91x_resources,
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+ .dev = {
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+ .platform_data = &xcep_smc91x_info,
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+ },
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+};
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+
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+
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+static struct platform_device *devices[] __initdata = {
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+ &flash_device,
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+ &smc91x_device,
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+};
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+
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+
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+/* We have to state that there are HWMON devices on the I2C bus on XCEP.
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+ * Drivers for HWMON verify capabilities of the adapter when loading and
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+ * refuse to attach if the adapter doesn't support HWMON class of devices.
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+ * See also Documentation/i2c/porting-clients. */
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+static struct i2c_pxa_platform_data xcep_i2c_platform_data = {
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+ .class = I2C_CLASS_HWMON
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+};
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+
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+
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+static mfp_cfg_t xcep_pin_config[] __initdata = {
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+ GPIO79_nCS_3, /* SMC 91C111 chip select. */
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+ GPIO80_nCS_4, /* CPLD chip select. */
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+ /* SSP communication to MSP430 */
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+ GPIO23_SSP1_SCLK,
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+ GPIO24_SSP1_SFRM,
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+ GPIO25_SSP1_TXD,
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+ GPIO26_SSP1_RXD,
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+ GPIO27_SSP1_EXTCLK
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+};
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+
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+static void __init xcep_init(void)
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+{
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+ pxa2xx_mfp_config(ARRAY_AND_SIZE(xcep_pin_config));
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+
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+ /* See Intel XScale Developer's Guide for details */
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+ /* Set RDF and RDN to appropriate values (chip select 3 (smc91x)) */
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+ MSC1 = (MSC1 & 0xffff) | 0xD5540000;
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+ /* Set RDF and RDN to appropriate values (chip select 5 (fpga)) */
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+ MSC2 = (MSC2 & 0xffff) | 0x72A00000;
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+
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+ platform_add_devices(ARRAY_AND_SIZE(devices));
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+ pxa_set_i2c_info(&xcep_i2c_platform_data);
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+}
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+
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+MACHINE_START(XCEP, "Iskratel XCEP")
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+ .phys_io = 0x40000000,
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+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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+ .boot_params = 0xa0000100,
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+ .init_machine = xcep_init,
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+ .map_io = pxa_map_io,
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+ .init_irq = pxa25x_init_irq,
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+ .timer = &pxa_timer,
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+MACHINE_END
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+
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Matej Kenda