From: Santosh Shilimkar <santosh.shilimkar@ti.com>
Date: Fri, 15 Feb 2013 12:35:49 +0000 (+0530)
Subject: ARM: OMAP5: Make errata i688 workaround available
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1348bbf942ebf21db7ff235f9bbdf9cd36be3ffe;p=linux-beck.git

ARM: OMAP5: Make errata i688 workaround available

Errata i688 is also applicable for OMAP5 based devices. Update the
code so that it can be enabled on OMAP5 devices.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
---

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 8111cd9ff3e5..b9c0ed3f648c 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -408,7 +408,7 @@ config OMAP3_SDRC_AC_TIMING
 
 config OMAP4_ERRATA_I688
 	bool "OMAP4 errata: Async Bridge Corruption"
-	depends on ARCH_OMAP4 && !ARCH_MULTIPLATFORM
+	depends on (ARCH_OMAP4 || SOC_OMAP5) && !ARCH_MULTIPLATFORM
 	select ARCH_HAS_BARRIERS
 	help
 	  If a data is stalled inside asynchronous bridge because of back
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 2c3fdd65387b..2bef5a7e6af8 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -271,6 +271,14 @@ static struct map_desc omap54xx_io_desc[] __initdata = {
 		.length		= L4_PER_54XX_SIZE,
 		.type		= MT_DEVICE,
 	},
+#ifdef CONFIG_OMAP4_ERRATA_I688
+	{
+		.virtual	= OMAP4_SRAM_VA,
+		.pfn		= __phys_to_pfn(OMAP4_SRAM_PA),
+		.length		= PAGE_SIZE,
+		.type		= MT_MEMORY_SO,
+	},
+#endif
 };
 #endif
 
@@ -323,6 +331,7 @@ void __init omap4_map_io(void)
 void __init omap5_map_io(void)
 {
 	iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
+	omap_barriers_init();
 }
 #endif
 /*