Import basic support for Rockchip RK3188 SoC.

Reviewed by: ray@

1 files changed, 122 insertions, 0 deletions

diff --git a/sys/arm/rockchip/rk30xx_machdep.c b/sys/arm/rockchip/rk30xx_machdep.c
new file mode 100644
index 0000000..0b315a1
--- /dev/null
+++ b/sys/arm/rockchip/rk30xx_machdep.c
@@ -0,0 +1,122 @@
+/*-
+ * Copyright (c) 2013 Ganbold Tsagaankhuu <ganbold@gmail.com>
+ * All rights reserved.
+ *
+ * This code is derived from software written for Brini by Mark Brinicombe
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR 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/ti/ti_machdep.c
+ */
+
+#include "opt_ddb.h"
+#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 <vm/vm.h>
+#include <vm/pmap.h>
+
+#include <machine/armreg.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>
+
+/* Start of address space used for bootstrap map */
+#define DEVMAP_BOOTSTRAP_MAP_START	0xF0000000
+
+vm_offset_t
+initarm_lastaddr(void)
+{
+
+	return (DEVMAP_BOOTSTRAP_MAP_START - ARM_NOCACHE_KVA_SIZE);
+}
+
+void
+initarm_gpio_init(void)
+{
+}
+
+void
+initarm_late_init(void)
+{
+
+	/* Enable cache */
+	cpufunc_control(CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE,
+	    CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE);
+}
+
+#define FDT_DEVMAP_MAX		(1 + 2 + 1 + 1)
+static struct pmap_devmap fdt_devmap[FDT_DEVMAP_MAX] = {
+	{ 0, 0, 0, 0, 0, }
+};
+
+/*
+ * Construct pmap_devmap[] with DT-derived config data.
+ */
+int
+platform_devmap_init(void)
+{
+	int i = 0;
+
+	fdt_devmap[i].pd_va = 0xF0000000;
+	fdt_devmap[i].pd_pa = 0x20000000;
+	fdt_devmap[i].pd_size = 0x100000;
+	fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
+	fdt_devmap[i].pd_cache = PTE_DEVICE;
+	i++;
+
+	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()
+{
+
+	printf("No cpu_reset implementation!\n");
+	while (1);
+}