Date: Thu, 8 Nov 2012 12:41:02 +0000 (UTC) From: Aleksandr Rybalko <ray@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r242755 - projects/efika_mx/sys/arm/freescale/imx Message-ID: <201211081241.qA8Cf2J5071978@svn.freebsd.org>
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Author: ray Date: Thu Nov 8 12:41:02 2012 New Revision: 242755 URL: http://svnweb.freebsd.org/changeset/base/242755 Log: Lowlevel init code for Freescale ARM Cortex-A8 CPUs. Added: projects/efika_mx/sys/arm/freescale/imx/imx_machdep.c Added: projects/efika_mx/sys/arm/freescale/imx/imx_machdep.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/efika_mx/sys/arm/freescale/imx/imx_machdep.c Thu Nov 8 12:41:02 2012 (r242755) @@ -0,0 +1,142 @@ +/*- + * Copyright (c) 1994-1998 Mark Brinicombe. + * Copyright (c) 1994 Brini. + * Copyright (c) 2012 The FreeBSD Foundation + * All rights reserved. + * + * + * This code is derived from software written for Brini by Mark Brinicombe + * Portions of this software were developed by Oleksandr Rybalko + * under sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Brini. + * 4. The name of the company nor the name of the author may be used to + * endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: FreeBSD: //depot/projects/arm/src/sys/arm/at91/kb920x_machdep.c, rev 45 + */ + +#include "opt_platform.h" + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#define _ARM32_BUS_DMA_PRIVATE +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/reboot.h> + +#include <vm/vm.h> +#include <vm/pmap.h> + +#include <machine/bus.h> +#include <machine/frame.h> /* For trapframe_t, used in <machine/machdep.h> */ +#include <machine/machdep.h> +#include <machine/pmap.h> + +#include <dev/fdt/fdt_common.h> + +#define IMX51_DEV_VIRT_BASE 0xe0000000 +vm_offset_t +initarm_lastaddr(void) +{ + + boothowto |= RB_SERIAL|RB_VERBOSE|RB_MULTIPLE|RB_SINGLE; + bootverbose = 1; + + if (fdt_immr_addr(IMX51_DEV_VIRT_BASE) != 0) + while (1); + + /* Platform-specific initialisation */ + return (fdt_immr_va - ARM_NOCACHE_KVA_SIZE); +} + +/* + * Set initial values of GPIO output ports + */ +void +initarm_gpio_init(void) +{ + +} + +void +initarm_late_init(void) +{ + +} + +#define FDT_DEVMAP_MAX 2 +static struct pmap_devmap fdt_devmap[FDT_DEVMAP_MAX] = { + { 0, 0, 0, 0, 0, }, + { 0, 0, 0, 0, 0, } +}; + +/* + * Construct pmap_devmap[] with DT-derived config data. + */ +int +platform_devmap_init(void) +{ + + /* + * Map segment where UART1 and UART2 located. + */ + fdt_devmap[0].pd_va = IMX51_DEV_VIRT_BASE + 0x03f00000; + fdt_devmap[0].pd_pa = 0x73f00000; + fdt_devmap[0].pd_size = 0x00100000; + fdt_devmap[0].pd_prot = VM_PROT_READ | VM_PROT_WRITE; + fdt_devmap[0].pd_cache = PTE_NOCACHE; + + pmap_devmap_bootstrap_table = &fdt_devmap[0]; + return (0); +} + +struct arm32_dma_range * +bus_dma_get_range(void) +{ + + return (NULL); +} + +int +bus_dma_get_range_nb(void) +{ + + return (0); +} + +void +cpu_reset(void) +{ + + printf("Reset ...\n"); + /* Clear n_reset flag */ + *((volatile u_int16_t *)(IMX51_DEV_VIRT_BASE + 0x03f98000)) = + (u_int16_t)0; + while (1); +}
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