5 files changed, 77 insertions, 5 deletions

diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 2249049c1d5a..f91934b2b092 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -5,6 +5,9 @@
  *
  * Author: Juha Yrjola
  *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.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.
@@ -424,6 +427,9 @@ void __init gpmc_init(void)
         } else if (cpu_is_omap34xx()) {
                 ck = "gpmc_fck";
                 l = OMAP34XX_GPMC_BASE;
+        } else if (cpu_is_omap44xx()) {
+                ck = "gpmc_fck";
+                l = OMAP44XX_GPMC_BASE;
         }
 
         gpmc_l3_clk = clk_get(NULL, ck);
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 34b5914e0f8b..458990e20c60 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -6,6 +6,9 @@
  * Copyright (C) 2005 Nokia Corporation
  * Written by Tony Lindgren <tony@atomide.com>
  *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.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.
@@ -200,7 +203,10 @@ void __init omap2_check_revision(void)
                 omap24xx_check_revision();
         else if (cpu_is_omap34xx())
                 omap34xx_check_revision();
-        else
+        else if (cpu_is_omap44xx()) {
+                printk(KERN_INFO "FIXME: CPU revision = OMAP4430\n");
+                return;
+        } else
                 pr_err("OMAP revision unknown, please fix!\n");
 
         /*
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 916fcd3a2328..32afd9448216 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -4,12 +4,14 @@
  * OMAP2 I/O mapping code
  *
  * Copyright (C) 2005 Nokia Corporation
- * Copyright (C) 2007 Texas Instruments
+ * Copyright (C) 2007-2009 Texas Instruments
  *
  * Author:
  *      Juha Yrjola <juha.yrjola@nokia.com>
  *      Syed Khasim <x0khasim@ti.com>
  *
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.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.
@@ -30,6 +32,7 @@
 #include <mach/sdrc.h>
 #include <mach/gpmc.h>
 
+#ifndef CONFIG_ARCH_OMAP4       /* FIXME: Remove this once clkdev is ready */
 #include "clock.h"
 
 #include <mach/powerdomain.h>
@@ -38,7 +41,7 @@
 
 #include <mach/clockdomain.h>
 #include "clockdomains.h"
-
+#endif
 /*
  * The machine specific code may provide the extra mapping besides the
  * default mapping provided here.
@@ -166,6 +169,46 @@ static struct map_desc omap34xx_io_desc[] __initdata = {
         },
 };
 #endif
+#ifdef  CONFIG_ARCH_OMAP4
+static struct map_desc omap44xx_io_desc[] __initdata = {
+        {
+                .virtual        = L3_44XX_VIRT,
+                .pfn            = __phys_to_pfn(L3_44XX_PHYS),
+                .length         = L3_44XX_SIZE,
+                .type           = MT_DEVICE,
+        },
+        {
+                .virtual        = L4_44XX_VIRT,
+                .pfn            = __phys_to_pfn(L4_44XX_PHYS),
+                .length         = L4_44XX_SIZE,
+                .type           = MT_DEVICE,
+        },
+        {
+                .virtual        = L4_WK_44XX_VIRT,
+                .pfn            = __phys_to_pfn(L4_WK_44XX_PHYS),
+                .length         = L4_WK_44XX_SIZE,
+                .type           = MT_DEVICE,
+        },
+        {
+                .virtual        = OMAP44XX_GPMC_VIRT,
+                .pfn            = __phys_to_pfn(OMAP44XX_GPMC_PHYS),
+                .length         = OMAP44XX_GPMC_SIZE,
+                .type           = MT_DEVICE,
+        },
+        {
+                .virtual        = L4_PER_44XX_VIRT,
+                .pfn            = __phys_to_pfn(L4_PER_44XX_PHYS),
+                .length         = L4_PER_44XX_SIZE,
+                .type           = MT_DEVICE,
+        },
+        {
+                .virtual        = L4_EMU_44XX_VIRT,
+                .pfn            = __phys_to_pfn(L4_EMU_44XX_PHYS),
+                .length         = L4_EMU_44XX_SIZE,
+                .type           = MT_DEVICE,
+        },
+};
+#endif
 
 void __init omap2_map_common_io(void)
 {
@@ -183,6 +226,9 @@ void __init omap2_map_common_io(void)
         iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
 #endif
 
+#if defined(CONFIG_ARCH_OMAP4)
+        iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
+#endif
         /* Normally devicemaps_init() would flush caches and tlb after
          * mdesc->map_io(), but we must also do it here because of the CPU
          * revision check below.
@@ -198,9 +244,11 @@ void __init omap2_map_common_io(void)
 void __init omap2_init_common_hw(struct omap_sdrc_params *sp)
 {
         omap2_mux_init();
+#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once the clkdev is ready */
         pwrdm_init(powerdomains_omap);
         clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
         omap2_clk_init();
         omap2_sdrc_init(sp);
+#endif
         gpmc_init();
 }
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 3c2d325d3dca..29dc6f529058 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -8,6 +8,9 @@
  *
  * Based off of arch/arm/mach-omap/omap1/serial.c
  *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com
+ *
  * This file is subject to the terms and conditions of the GNU General Public
  * License. See the file "COPYING" in the main directory of this archive
  * for more details.
@@ -122,6 +125,10 @@ void __init omap_serial_init(void)
 
         if (info == NULL)
                 return;
+        if (cpu_is_omap44xx()) {
+                for (i = 0; i < OMAP_MAX_NR_PORTS; i++)
+                        serial_platform_data[i].irq += 32;
+        }
 
         for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
                 struct plat_serial8250_port *p = serial_platform_data + i;
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index f36aba12090e..2ce474a9d2b6 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -17,9 +17,10 @@
  *
  * Some parts based off of TI's 24xx code:
  *
- *   Copyright (C) 2004 Texas Instruments, Inc.
+ * Copyright (C) 2004-2009 Texas Instruments, Inc.
  *
  * Roughly modelled after the OMAP1 MPU timer code.
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License. See the file "COPYING" in the main directory of this archive
@@ -82,7 +83,8 @@ static void omap2_gp_timer_set_mode(enum clock_event_mode mode,
         case CLOCK_EVT_MODE_PERIODIC:
                 period = clk_get_rate(omap_dm_timer_get_fclk(gptimer)) / HZ;
                 period -= 1;
-
+                if (cpu_is_omap44xx())
+                        period = 0xff;  /* FIXME: */
                 omap_dm_timer_set_load_start(gptimer, 1, 0xffffffff - period);
                 break;
         case CLOCK_EVT_MODE_ONESHOT:
@@ -145,6 +147,9 @@ static void __init omap2_gp_clockevent_init(void)
                      "timer-gp: omap_dm_timer_set_source() failed\n");
 
         tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer));
+        if (cpu_is_omap44xx())
+                /* Assuming 32kHz clk is driving GPT1 */
+                tick_rate = 32768;      /* FIXME: */
 
         pr_info("OMAP clockevent source: GPTIMER%d at %u Hz\n",
                 gptimer_id, tick_rate);