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-rw-r--r--arch/arm/mach-pxa/Kconfig15
-rw-r--r--arch/arm/mach-pxa/Makefile2
-rw-r--r--arch/arm/mach-pxa/xcep.c187
3 files changed, 204 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index d1dcb1cf0758..b3cdfe55c031 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -504,6 +504,21 @@ config MACH_EZX_E2
default y
depends on PXA_EZX
+config MACH_XCEP
+ bool "Iskratel Electronics XCEP"
+ select PXA25x
+ select MTD
+ select MTD_PARTITIONS
+ select MTD_PHYSMAP
+ select MTD_CFI_INTELEXT
+ select MTD_CFI
+ select MTD_CHAR
+ select SMC91X
+ select PXA_SSP
+ help
+ PXA255 based Single Board Computer with SMC 91C111 ethernet chip and 64 MB of flash.
+ Tuned for usage in Libera instruments for particle accelerators.
+
endmenu
config PXA25x
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index aa8f83e9421e..c9890a124cf3 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -79,6 +79,8 @@ obj-$(CONFIG_MACH_ARMCORE) += cm-x2xx.o cm-x255.o cm-x270.o
obj-$(CONFIG_MACH_CM_X300) += cm-x300.o
obj-$(CONFIG_PXA_EZX) += ezx.o
+obj-$(CONFIG_MACH_XCEP) += xcep.o
+
obj-$(CONFIG_MACH_INTELMOTE2) += imote2.o
obj-$(CONFIG_MACH_STARGATE2) += stargate2.o
obj-$(CONFIG_MACH_CSB726) += csb726.o
diff --git a/arch/arm/mach-pxa/xcep.c b/arch/arm/mach-pxa/xcep.c
new file mode 100644
index 000000000000..3fd79cbb36c8
--- /dev/null
+++ b/arch/arm/mach-pxa/xcep.c
@@ -0,0 +1,187 @@
+/* linux/arch/arm/mach-pxa/xcep.c
+ *
+ * Support for the Iskratel Electronics XCEP platform as used in
+ * the Libera instruments from Instrumentation Technologies.
+ *
+ * Author: Ales Bardorfer <ales@i-tech.si>
+ * Contributions by: Abbott, MG (Michael) <michael.abbott@diamond.ac.uk>
+ * Contributions by: Matej Kenda <matej.kenda@i-tech.si>
+ * Created: June 2006
+ * Copyright: (C) 2006-2009 Instrumentation Technologies
+ *
+ * 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/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/smc91x.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/map.h>
+
+#include <plat/i2c.h>
+
+#include <mach/hardware.h>
+#include <mach/pxa2xx-regs.h>
+#include <mach/mfp-pxa25x.h>
+
+#include "generic.h"
+
+#define XCEP_ETH_PHYS (PXA_CS3_PHYS + 0x00000300)
+#define XCEP_ETH_PHYS_END (PXA_CS3_PHYS + 0x000fffff)
+#define XCEP_ETH_ATTR (PXA_CS3_PHYS + 0x02000000)
+#define XCEP_ETH_ATTR_END (PXA_CS3_PHYS + 0x020fffff)
+#define XCEP_ETH_IRQ IRQ_GPIO0
+
+/* XCEP CPLD base */
+#define XCEP_CPLD_BASE 0xf0000000
+
+
+/* Flash partitions. */
+
+static struct mtd_partition xcep_partitions[] = {
+ {
+ .name = "Bootloader",
+ .size = 0x00040000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE
+ }, {
+ .name = "Bootloader ENV",
+ .size = 0x00040000,
+ .offset = 0x00040000,
+ .mask_flags = MTD_WRITEABLE
+ }, {
+ .name = "Kernel",
+ .size = 0x00100000,
+ .offset = 0x00080000,
+ }, {
+ .name = "Rescue fs",
+ .size = 0x00280000,
+ .offset = 0x00180000,
+ }, {
+ .name = "Filesystem",
+ .size = MTDPART_SIZ_FULL,
+ .offset = 0x00400000
+ }
+};
+
+static struct physmap_flash_data xcep_flash_data[] = {
+ {
+ .width = 4, /* bankwidth in bytes */
+ .parts = xcep_partitions,
+ .nr_parts = ARRAY_SIZE(xcep_partitions)
+ }
+};
+
+static struct resource flash_resource = {
+ .start = PXA_CS0_PHYS,
+ .end = PXA_CS0_PHYS + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = xcep_flash_data,
+ },
+ .resource = &flash_resource,
+ .num_resources = 1,
+};
+
+
+
+/* SMC LAN91C111 network controller. */
+
+static struct resource smc91x_resources[] = {
+ [0] = {
+ .name = "smc91x-regs",
+ .start = XCEP_ETH_PHYS,
+ .end = XCEP_ETH_PHYS_END,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = XCEP_ETH_IRQ,
+ .end = XCEP_ETH_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .name = "smc91x-attrib",
+ .start = XCEP_ETH_ATTR,
+ .end = XCEP_ETH_ATTR_END,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct smc91x_platdata xcep_smc91x_info = {
+ .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
+};
+
+static struct platform_device smc91x_device = {
+ .name = "smc91x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(smc91x_resources),
+ .resource = smc91x_resources,
+ .dev = {
+ .platform_data = &xcep_smc91x_info,
+ },
+};
+
+
+static struct platform_device *devices[] __initdata = {
+ &flash_device,
+ &smc91x_device,
+};
+
+
+/* We have to state that there are HWMON devices on the I2C bus on XCEP.
+ * Drivers for HWMON verify capabilities of the adapter when loading and
+ * refuse to attach if the adapter doesn't support HWMON class of devices.
+ * See also Documentation/i2c/porting-clients. */
+static struct i2c_pxa_platform_data xcep_i2c_platform_data = {
+ .class = I2C_CLASS_HWMON
+};
+
+
+static mfp_cfg_t xcep_pin_config[] __initdata = {
+ GPIO79_nCS_3, /* SMC 91C111 chip select. */
+ GPIO80_nCS_4, /* CPLD chip select. */
+ /* SSP communication to MSP430 */
+ GPIO23_SSP1_SCLK,
+ GPIO24_SSP1_SFRM,
+ GPIO25_SSP1_TXD,
+ GPIO26_SSP1_RXD,
+ GPIO27_SSP1_EXTCLK
+};
+
+static void __init xcep_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(xcep_pin_config));
+
+ /* See Intel XScale Developer's Guide for details */
+ /* Set RDF and RDN to appropriate values (chip select 3 (smc91x)) */
+ MSC1 = (MSC1 & 0xffff) | 0xD5540000;
+ /* Set RDF and RDN to appropriate values (chip select 5 (fpga)) */
+ MSC2 = (MSC2 & 0xffff) | 0x72A00000;
+
+ platform_add_devices(ARRAY_AND_SIZE(devices));
+ pxa_set_i2c_info(&xcep_i2c_platform_data);
+}
+
+MACHINE_START(XCEP, "Iskratel XCEP")
+ .phys_io = 0x40000000,
+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+ .boot_params = 0xa0000100,
+ .init_machine = xcep_init,
+ .map_io = pxa_map_io,
+ .init_irq = pxa25x_init_irq,
+ .timer = &pxa_timer,
+MACHINE_END
+