From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean-Christophe PLAGNIOL-VILLARD Subject: [PATCH 1/6] ARM: at91/dt: add specific DT soc init Date: Fri, 2 Mar 2012 20:54:03 +0100 Message-ID: <1330718048-9314-1-git-send-email-plagnioj@jcrosoft.com> References: <20120302192844.GB21255@game.jcrosoft.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20120302192844.GB21255-RQcB7r2h9QmfDR2tN2SG5Ni2O/JbrIOy@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Cc: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org List-Id: devicetree@vger.kernel.org This will allow to have static Device mapping and DT probe mapping for the System Controller. Temporary keep the call to ioremap_registers() until we have the binding for the SDRAM/DDR Controller. Temporary keep the main clock hardcoded to 12MHz until we have the binding for the PMC. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Acked-by: Nicolas Ferre --- arch/arm/mach-at91/board-dt.c | 8 +------- arch/arm/mach-at91/generic.h | 1 + arch/arm/mach-at91/setup.c | 18 ++++++++++++++++++ 3 files changed, 20 insertions(+), 7 deletions(-) diff --git a/arch/arm/mach-at91/board-dt.c b/arch/arm/mach-at91/board-dt.c index 9f729d6..c18d4d3 100644 --- a/arch/arm/mach-at91/board-dt.c +++ b/arch/arm/mach-at91/board-dt.c @@ -30,12 +30,6 @@ #include "generic.h" -static void __init ek_init_early(void) -{ - /* Initialize processor: 12.000 MHz crystal */ - at91_initialize(12000000); -} - static const struct of_device_id irq_of_match[] __initconst = { { .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init }, @@ -65,7 +59,7 @@ DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)") /* Maintainer: Atmel */ .timer = &at91sam926x_timer, .map_io = at91_map_io, - .init_early = ek_init_early, + .init_early = at91_dt_initialize, .init_irq = at91_dt_init_irq, .init_machine = at91_dt_device_init, .dt_compat = at91_dt_board_compat, diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 459f01a..d5f5083 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -20,6 +20,7 @@ extern void __init at91_init_sram(int bank, unsigned long base, extern void __init at91rm9200_set_type(int type); extern void __init at91_initialize(unsigned long main_clock); extern void __init at91x40_initialize(unsigned long main_clock); +extern void __init at91_dt_initialize(void); /* Interrupts */ extern void __init at91_init_irq_default(void); diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index 372396c..c0bd5a6 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -9,6 +9,7 @@ #include #include #include +#include #include @@ -285,6 +286,23 @@ void __init at91_ioremap_matrix(u32 base_addr) panic("Impossible to ioremap at91_matrix_base\n"); } +#if defined(CONFIG_OF) +void __init at91_dt_initialize(void) +{ + /* temporary until have the ramc binding*/ + at91_boot_soc.ioremap_registers(); + + /* temporary until have the pmc binding */ + /* Init clock subsystem */ + at91_clock_init(12000000); + + /* Register the processor-specific clocks */ + at91_boot_soc.register_clocks(); + + at91_boot_soc.init(); +} +#endif + void __init at91_initialize(unsigned long main_clock) { at91_boot_soc.ioremap_registers(); -- 1.7.7