Add support for PLATFORM and PLATFORM_SMP to the Altera SOCFPGA SoC. This

will help with moving it to GENERIC.

Reviewed by:	br
Sponsored by:	ABT Systems Ltd
Differential Revision:	https://reviews.freebsd.org/D9461

sys/arm/altera/socfpga/socfpga_common.c

@@ -43,27 +43,3 @@ __FBSDID("$FreeBSD$");
 
 #include <arm/altera/socfpga/socfpga_rstmgr.h>
 
-void
-cpu_reset(void)
-{
-	uint32_t paddr;
-	bus_addr_t vaddr;
-	phandle_t node;
-
-	if (rstmgr_warmreset() == 0)
-		goto end;
-
-	node = OF_finddevice("rstmgr");
-	if (node == -1)
-		goto end;
-
-	if ((OF_getencprop(node, "reg", &paddr, sizeof(paddr))) > 0) {
-		if (bus_space_map(fdtbus_bs_tag, paddr, 0x8, 0, &vaddr) == 0) {
-			bus_space_write_4(fdtbus_bs_tag, vaddr,
-			    RSTMGR_CTRL, CTRL_SWWARMRSTREQ);
-		}
-	}
-
-end:
-	while (1);
-}

sys/arm/altera/socfpga/socfpga_machdep.c

@@ -28,7 +28,6 @@
  * SUCH DAMAGE.
  */
 
-#include "opt_ddb.h"
 #include "opt_platform.h"
 
 #include <sys/cdefs.h>
@@ -41,38 +40,22 @@ __FBSDID("$FreeBSD$");
 
 #include <vm/vm.h>
 
+#include <dev/ofw/openfirm.h>
+
 #include <machine/armreg.h>
 #include <machine/bus.h>
+#include <machine/fdt.h>
 #include <machine/machdep.h>
 #include <machine/platform.h>
+#include <machine/platformvar.h>
 
-vm_offset_t
-platform_lastaddr(void)
-{
+#include <arm/altera/socfpga/socfpga_mp.h>
+#include <arm/altera/socfpga/socfpga_rstmgr.h>
 
-	return (devmap_lastaddr());
-}
+#include "platform_if.h"
 
-void
-platform_probe_and_attach(void)
-{
-
-}
-
-void
-platform_gpio_init(void)
-{
-
-}
-
-void
-platform_late_init(void)
-{
-
-}
-
-int
-platform_devmap_init(void)
+static int
+socfpga_devmap_init(platform_t plat)
 {
 
 	/* UART */
@@ -99,3 +82,42 @@ platform_devmap_init(void)
 
 	return (0);
 }
+
+static void
+socfpga_cpu_reset(platform_t plat)
+{
+	uint32_t paddr;
+	bus_addr_t vaddr;
+	phandle_t node;
+
+	if (rstmgr_warmreset() == 0)
+		goto end;
+
+	node = OF_finddevice("rstmgr");
+	if (node == -1)
+		goto end;
+
+	if ((OF_getencprop(node, "reg", &paddr, sizeof(paddr))) > 0) {
+		if (bus_space_map(fdtbus_bs_tag, paddr, 0x8, 0, &vaddr) == 0) {
+			bus_space_write_4(fdtbus_bs_tag, vaddr,
+			    RSTMGR_CTRL, CTRL_SWWARMRSTREQ);
+		}
+	}
+
+end:
+	while (1);
+}
+
+static platform_method_t socfpga_methods[] = {
+	PLATFORMMETHOD(platform_devmap_init,	socfpga_devmap_init),
+	PLATFORMMETHOD(platform_cpu_reset,	socfpga_cpu_reset),
+
+#ifdef SMP
+	PLATFORMMETHOD(platform_mp_setmaxid,	socfpga_mp_setmaxid),
+	PLATFORMMETHOD(platform_mp_start_ap,	socfpga_mp_start_ap),
+#endif
+
+	PLATFORMMETHOD_END,
+};
+
+FDT_PLATFORM_DEF(socfpga, "socfpga", 0, "altr,socfpga", 0);

sys/arm/altera/socfpga/socfpga_mp.c

@@ -28,6 +28,8 @@
  * SUCH DAMAGE.
  */
 
+#include "opt_platform.h"
+
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 #include <sys/param.h>
@@ -45,6 +47,9 @@ __FBSDID("$FreeBSD$");
 #include <machine/smp.h>
 #include <machine/fdt.h>
 #include <machine/intr.h>
+#include <machine/platformvar.h>
+
+#include <arm/altera/socfpga/socfpga_mp.h>
 
 #define	SCU_PHYSBASE			0xFFFEC000
 #define	SCU_SIZE			0x100
@@ -85,7 +90,7 @@ socfpga_trampoline(void)
 }
 
 void
-platform_mp_setmaxid(void)
+socfpga_mp_setmaxid(platform_t plat)
 {
 	int hwcpu, ncpu;
 
@@ -105,7 +110,7 @@ platform_mp_setmaxid(void)
 }
 
 void
-platform_mp_start_ap(void)
+socfpga_mp_start_ap(platform_t plat)
 {
 	bus_space_handle_t scu, rst, ram;
 	int reg;

sys/arm/altera/socfpga/socfpga_mp.h

@@ -0,0 +1,34 @@
+/*-
+ * Copyright (c) 2017 Andrew Turner <andrew@FreeBSD.org>
+ * All rights reserved.
+ *
+ * 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 ``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 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _SOCFPGA_MP_H_
+#define	_SOCFPGA_MP_H_
+
+void socfpga_mp_setmaxid(platform_t);
+void socfpga_mp_start_ap(platform_t);
+
+#endif /* _SOCFPGA_MP_H_ */

sys/arm/conf/SOCKIT.common

@@ -26,6 +26,8 @@ makeoptions	MODULES_OVERRIDE=""
 makeoptions	WERROR="-Werror"
 
 options 	SCHED_ULE		# ULE scheduler
+options 	PLATFORM		# Platform based SoC
+options 	PLATFORM_SMP
 options 	SMP			# Enable multiple cores
 
 # NFS root from boopt/dhcp