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authorray <ray@FreeBSD.org>2013-03-20 15:39:27 +0000
committerray <ray@FreeBSD.org>2013-03-20 15:39:27 +0000
commita88f1a3d131b117c073d9babaa2cf03d4b2d232a (patch)
treef1b419d2a4a76881f82969c1ddfa46ffb1e62836 /sys/arm/freescale/imx/imx_machdep.c
parent1ba62d29d15f003883f84f1d20496240d9eda819 (diff)
downloadFreeBSD-src-a88f1a3d131b117c073d9babaa2cf03d4b2d232a.zip
FreeBSD-src-a88f1a3d131b117c073d9babaa2cf03d4b2d232a.tar.gz
Integrate Efika MX project back to home.
Sponsored by: The FreeBSD Foundation
Diffstat (limited to 'sys/arm/freescale/imx/imx_machdep.c')
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1 files changed, 142 insertions, 0 deletions
diff --git a/sys/arm/freescale/imx/imx_machdep.c b/sys/arm/freescale/imx/imx_machdep.c
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+/*-
+ * 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_VERBOSE|RB_MULTIPLE;
+ 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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