From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 04/10] ARM Chumby: Add MMU support
Date: Thu, 20 Jan 2011 10:46:55 +0100 [thread overview]
Message-ID: <1295516821-8988-5-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1295516821-8988-1-git-send-email-s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/arm/boards/chumby_falconwing/falconwing.c | 23 +++++++++++++++++++++++
1 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boards/chumby_falconwing/falconwing.c b/arch/arm/boards/chumby_falconwing/falconwing.c
index 2887f8c..966d99b 100644
--- a/arch/arm/boards/chumby_falconwing/falconwing.c
+++ b/arch/arm/boards/chumby_falconwing/falconwing.c
@@ -25,6 +25,7 @@
#include <usb/ehci.h>
#include <asm/armlinux.h>
#include <asm/io.h>
+#include <asm/mmu.h>
#include <generated/mach-types.h>
#include <mach/imx-regs.h>
#include <mach/clock.h>
@@ -264,6 +265,28 @@ static const uint32_t pad_setup[] = {
GPMI_RDY3_GPIO | GPIO_IN | PULLUP(1),
};
+#ifdef CONFIG_MMU
+static int falconwing_mmu_init(void)
+{
+ mmu_init();
+
+ arm_create_section(0x40000000, 0x40000000, 64, PMD_SECT_DEF_CACHED);
+ arm_create_section(0x50000000, 0x40000000, 64, PMD_SECT_DEF_UNCACHED);
+
+ setup_dma_coherent(0x10000000);
+
+#if TEXT_BASE & (0x100000 - 1)
+#warning cannot create vector section. Adjust TEXT_BASE to a 1M boundary
+#else
+ arm_create_section(0x0, TEXT_BASE, 1, PMD_SECT_DEF_UNCACHED);
+#endif
+ mmu_enable();
+
+ return 0;
+}
+postcore_initcall(falconwing_mmu_init);
+#endif
+
/**
* Try to register an environment storage on the attached MCI card
* @return 0 on success
--
1.7.2.3
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next prev parent reply other threads:[~2011-01-20 9:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-20 9:46 i.MX23 patches Sascha Hauer
2011-01-20 9:46 ` [PATCH 01/10] USB ehci: Set to host mode on tt capable controllers Sascha Hauer
2011-01-20 9:46 ` [PATCH 02/10] i.MX23: Add USB (phy) support Sascha Hauer
2011-01-20 9:46 ` [PATCH 03/10] ARM Chumby: Add USB support Sascha Hauer
2011-01-20 9:46 ` Sascha Hauer [this message]
2011-01-20 9:46 ` [PATCH 05/10] i.MX23/28: Fix setting of lcd clock Sascha Hauer
2011-01-20 14:01 ` Gregory CLEMENT
2011-01-20 14:57 ` Sascha Hauer
2011-01-20 17:52 ` Gregory CLEMENT
2011-01-21 9:37 ` Sascha Hauer
2011-01-20 9:46 ` [PATCH 06/10] fb i.MX23/28: add platform data hook to enable backlight Sascha Hauer
2011-01-20 9:46 ` [PATCH 07/10] ARM chumby: enable backlight in platform data hook Sascha Hauer
2011-01-20 9:46 ` [PATCH 08/10] fb i.MX23/28: rename imx_fb_videomode to imx_fb_platformdata Sascha Hauer
2011-01-20 9:47 ` [PATCH 09/10] ARM: rename STM arch to mxs Sascha Hauer
2011-01-20 9:47 ` [PATCH 10/10] ARM chumby defconfig: update with new features Sascha Hauer
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