On 10/07/2011 02:56 PM, Nicolas Ferre : > On 10/05/2011 03:00 PM, Rob Herring : >> Nicolas, >> >> On 10/03/2011 05:00 AM, Nicolas Ferre wrote: >>> Create a new device tree source file for Atmel at91sam9g45 SoC family. >>> The Evaluation Kit at91sam9m10g45ek includes it. >>> This first basic support will be populated as drivers and boards will be >>> converted to device tree. >>> Contains serial, dma and interrupt controllers. >>> >>> The generic board file still takes advantage of platform data for early >>> serial >>> init. As we need a storage media and the NAND flash driver is not converted >>> to >>> DT yet, we keep old initialization for it. >>> >>> Signed-off-by: Nicolas Ferre <[email protected]>
[..] >>> diff --git a/arch/arm/mach-at91/board-dt.c b/arch/arm/mach-at91/board-dt.c >>> new file mode 100644 >>> index 0000000..7bcb9a9 >>> --- /dev/null >>> +++ b/arch/arm/mach-at91/board-dt.c >>> @@ -0,0 +1,122 @@ >>> +/* >>> + * Setup code for AT91SAM Evaluation Kits with Device Tree support >>> + * >>> + * Covers: * AT91SAM9G45-EKES board >>> + * * AT91SAM9M10-EKES board >>> + * * AT91SAM9M10G45-EK board >>> + * >>> + * Copyright (C) 2011 Atmel, >>> + * 2011 Nicolas Ferre <[email protected]> >>> + * >>> + * Licensed under GPLv2 or later. >>> + */ >>> + >>> +#include <linux/types.h> >>> +#include <linux/init.h> >>> +#include <linux/module.h> >>> +#include <linux/irqdomain.h> >>> +#include <linux/of_irq.h> >>> +#include <linux/of_platform.h> >>> + >>> +#include <mach/hardware.h> >>> +#include <mach/board.h> >>> +#include <mach/gpio.h> >>> +#include <mach/system_rev.h> >>> +#include <mach/at91sam9_smc.h> >>> + >>> +#include <asm/setup.h> >>> +#include <asm/irq.h> >>> +#include <asm/mach/arch.h> >>> +#include <asm/mach/map.h> >>> +#include <asm/mach/irq.h> >>> + >>> +#include "sam9_smc.h" >>> +#include "generic.h" As found by Jean-Christophe, it seems that some clock lookup data are missing here. Something like: +/* + * Lookup table for attaching a specific name and platform_data pointer to + * devices as they get created by of_platform_populate(). Ideally this table + * would not exist, but the current clock implementation depends on some devices + * having a specific name. + / +static const struct of_dev_auxdata at91_auxdata_lookup[] __initconst = { + / at91sam9260/ at91sam9g20 / + OF_DEV_AUXDATA("atmel,at91sam9260-usart", 0xfffff200, "atmel_usart.0", NULL), + OF_DEV_AUXDATA("atmel,at91sam9260-usart", 0xfffb0000, "atmel_usart.1", NULL), + OF_DEV_AUXDATA("atmel,at91sam9260-usart", 0xfffb4000, "atmel_usart.2", NULL), + OF_DEV_AUXDATA("atmel,at91sam9260-usart", 0xfffb8000, "atmel_usart.3", NULL), + OF_DEV_AUXDATA("atmel,at91sam9260-usart", 0xfffd0000, "atmel_usart.4", NULL), + OF_DEV_AUXDATA("atmel,at91sam9260-usart", 0xfffd4000, "atmel_usart.5", NULL), + OF_DEV_AUXDATA("atmel,at91sam9260-usart", 0xfffd8000, "atmel_usart.6", NULL), + / at91sam9g45*/ + OF_DEV_AUXDATA("atmel,at91sam9260-usart", 0xffffee00, "atmel_usart.0", NULL), + OF_DEV_AUXDATA("atmel,at91sam9260-usart", 0xfff8c000, "atmel_usart.1", NULL), + OF_DEV_AUXDATA("atmel,at91sam9260-usart", 0xfff90000, "atmel_usart.2", NULL), + OF_DEV_AUXDATA("atmel,at91sam9260-usart", 0xfff94000, "atmel_usart.3", NULL), + OF_DEV_AUXDATA("atmel,at91sam9260-usart", 0xfff98000, "atmel_usart.4", NULL), + { /* sentinel */ } +}; With a change here: of_platform_populate(NULL, of_default_bus_match_table, at91_auxdata_lookup, NULL); I know that it is a temporary usage of auxdata. Does it sound the right thing to do for the moment? Best regards, -- Nicolas Ferre _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
