ARC: [arcfpga] Remove more dead code

specifically after switching to generic early arc uart, whole bunch of
code is no longer needed
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

arch/arc/plat-arcfpga/include/plat/irq.h

-/*
- * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
- *
- * 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.
- *
- * vineetg: Feb 2009
- *  -For AA4 board, IRQ assignments to peripherals
- */
-
-#ifndef __PLAT_IRQ_H
-#define __PLAT_IRQ_H
-
-#define UART0_IRQ	5
-#define UART1_IRQ	10
-#define UART2_IRQ	11
-
-#define IDE_IRQ		13
-#define PCI_IRQ		14
-#define PS2_IRQ		15
-
-#ifdef CONFIG_SMP
-#define IDU_INTERRUPT_0 16
-#endif
-
-#endif

arch/arc/plat-arcfpga/include/plat/memmap.h

-/*
- * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
- *
- * 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.
- *
- * vineetg: Feb 2009
- *  -For AA4 board, System Memory Map for Peripherals etc
- */
-
-#ifndef __PLAT_MEMMAP_H
-#define __PLAT_MEMMAP_H
-
-#define UART0_BASE              0xC0FC1000
-#define UART1_BASE              0xC0FC1100
-
-#define IDE_CONTROLLER_BASE     0xC0FC9000
-
-#define AHB_PCI_HOST_BRG_BASE   0xC0FD0000
-
-#define PGU_BASEADDR            0xC0FC8000
-#define VLCK_ADDR               0xC0FCF028
-
-#define BVCI_LAT_UNIT_BASE      0xC0FED000
-
-#define PS2_BASE_ADDR		0xC0FCC000
-
-#endif

arch/arc/plat-arcfpga/platform.c

@@ -8,27 +8,9 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/types.h>
 #include <linux/init.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/console.h>
-#include <asm/setup.h>
-#include <asm/clk.h>
 #include <asm/mach_desc.h>
-#include <plat/memmap.h>
 #include <plat/smp.h>
-#include <plat/irq.h>
-
-static void __init plat_fpga_early_init(void)
-{
-	pr_info("[plat-arcfpga]: registering early dev resources\n");
-
-#ifdef CONFIG_ISS_SMP_EXTN
-	iss_model_init_early_smp();
-#endif
-}
 
 /*----------------------- Machine Descriptions ------------------------------
  *
@@ -46,8 +28,8 @@ static const char *legacy_fpga_compat[] __initconst = {
 
 MACHINE_START(LEGACY_FPGA, "legacy_fpga")
 	.dt_compat	= legacy_fpga_compat,
-	.init_early	= plat_fpga_early_init,
 #ifdef CONFIG_ISS_SMP_EXTN
+	.init_early	= iss_model_init_early_smp,
 	.init_smp	= iss_model_init_smp,
 #endif
 MACHINE_END

arch/arc/plat-arcfpga/smp.c

@@ -13,9 +13,10 @@
 
 #include <linux/smp.h>
 #include <linux/irq.h>
-#include <plat/irq.h>
 #include <plat/smp.h>
 
+#define IDU_INTERRUPT_0 16
+
 static char smp_cpuinfo_buf[128];
 
 /*