From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1OO6He-0007wT-J9 for barebox@lists.infradead.org; Mon, 14 Jun 2010 09:48:47 +0000 From: Sascha Hauer Date: Mon, 14 Jun 2010 11:48:31 +0200 Message-Id: <1276508921-3264-2-git-send-email-s.hauer@pengutronix.de> In-Reply-To: <1276508921-3264-1-git-send-email-s.hauer@pengutronix.de> References: <1276508921-3264-1-git-send-email-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 01/11] pcm037: Add MMU support To: barebox@lists.infradead.org Signed-off-by: Sascha Hauer --- arch/arm/mach-imx/Kconfig | 2 ++ board/pcm037/pcm037.c | 31 +++++++++++++++++++++++++++++++ 2 files changed, 33 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 419daab..721264b 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -206,7 +206,9 @@ choice config MACH_PCM037 bool "phyCORE-i.MX31" select MACH_HAS_LOWLEVEL_INIT + select HAVE_MMU select USB_ISP1504 if USB + select ARCH_HAS_L2X0 help Say Y here if you are using Phytec's phyCORE-i.MX31 (pcm037) equipped with a Freescale i.MX31 Processor diff --git a/board/pcm037/pcm037.c b/board/pcm037/pcm037.c index aee40c6..2e6968b 100644 --- a/board/pcm037/pcm037.c +++ b/board/pcm037/pcm037.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #include #include @@ -117,6 +118,7 @@ static struct device_d sdram1_dev = { struct imx_nand_platform_data nand_info = { .width = 1, .hw_ecc = 1, + .flash_bbt = 1, }; static struct device_d nand_dev = { @@ -226,8 +228,37 @@ static void pcm037_usb_init(void) } #endif +#ifdef CONFIG_MMU +static void pcm037_mmu_init(void) +{ + mmu_init(); + + arm_create_section(0x80000000, 0x80000000, 128, PMD_SECT_DEF_CACHED); + arm_create_section(0x90000000, 0x80000000, 128, 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(); + +#ifdef CONFIG_CACHE_L2X0 + l2x0_init((void __iomem *)0x30000000, 0x00030024, 0x00000000); +#endif +} +#else +static void pcm037_mmu_init(void) +{ +} +#endif + static int imx31_devices_init(void) { + pcm037_mmu_init(); + __REG(CSCR_U(0)) = 0x0000cf03; /* CS0: Nor Flash */ __REG(CSCR_L(0)) = 0x10000d03; __REG(CSCR_A(0)) = 0x00720900; -- 1.7.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox