1 files changed, 21 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 102c9f71a3c1..67a90708b682 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.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.
@@ -44,6 +47,8 @@
 #define OMAP3_SRAM_VA           0xd7000000
 #define OMAP3_SRAM_PUB_PA       0x40208000
 #define OMAP3_SRAM_PUB_VA       0xd7008000
+#define OMAP4_SRAM_PA           0x40200000              /*0x402f0000*/
+#define OMAP4_SRAM_VA           0xd7000000              /*0xd70f0000*/
 
 #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
 #define SRAM_BOOTLOADER_SZ      0x00
@@ -87,6 +92,10 @@ static int is_sram_locked(void)
 {
         int type = 0;
 
+        if (cpu_is_omap44xx())
+                /* Not yet supported */
+                return 0;
+
         if (cpu_is_omap242x())
                 type = omap_rev() & OMAP2_DEVICETYPE_MASK;
 
@@ -135,6 +144,10 @@ void __init omap_detect_sram(void)
                                 omap_sram_base = OMAP3_SRAM_VA;
                                 omap_sram_start = OMAP3_SRAM_PA;
                                 omap_sram_size = 0x10000; /* 64K */
+                        } else if (cpu_is_omap44xx()) {
+                                omap_sram_base = OMAP4_SRAM_VA;
+                                omap_sram_start = OMAP4_SRAM_PA;
+                                omap_sram_size = 0x8000; /* 32K */
                         } else {
                                 omap_sram_base = OMAP2_SRAM_VA;
                                 omap_sram_start = OMAP2_SRAM_PA;
@@ -203,6 +216,12 @@ void __init omap_map_sram(void)
                 omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
         }
 
+        if (cpu_is_omap44xx()) {
+                omap_sram_io_desc[0].virtual = OMAP4_SRAM_VA;
+                base = OMAP4_SRAM_PA;
+                base = ROUND_DOWN(base, PAGE_SIZE);
+                omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
+        }
         omap_sram_io_desc[0].length = 1024 * 1024;      /* Use section desc */
         iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc));
 
@@ -391,6 +410,8 @@ int __init omap_sram_init(void)
                 omap243x_sram_init();
         else if (cpu_is_omap34xx())
                 omap34xx_sram_init();
+        else if (cpu_is_omap44xx())
+                omap34xx_sram_init(); /* FIXME: */
 
         return 0;
 }