ARMv7: Always has DYNAMIC_CBMEM

The static allocator only worked for x86 anyway.

Change-Id: I0d2b63465620512e62334d7aa0c885fc5ab3e589
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8030
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/cpu/ti/am335x/Kconfig

@@ -6,6 +6,7 @@ config CPU_TI_AM335X
 	select HAVE_UART_SPECIAL
 	select BOOTBLOCK_CONSOLE
 	select CPU_HAS_BOOTBLOCK_INIT
+	select DYNAMIC_CBMEM
 	bool
 	default n
 

src/cpu/ti/am335x/Makefile.inc

@@ -4,11 +4,13 @@ bootblock-y	+= dmtimer.c
 bootblock-y	+= pinmux.c
 
 romstage-y	+= nand.c
+romstage-y	+= cbmem.c
 
 ramstage-y	+= dmtimer.c
 ramstage-y	+= monotonic_timer.c
 ramstage-y	+= nand.c
 ramstage-y	+= timer.c
+ramstage-y	+= cbmem.c
 
 ifeq ($(CONFIG_DRIVERS_UART),y)
 bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += uart.c

src/cpu/ti/am335x/cbmem.c

@@ -0,0 +1,24 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stddef.h>
+#include <cbmem.h>
+
+void *cbmem_top(void)
+{
+	return (void *)CONFIG_SYS_SDRAM_BASE + (CONFIG_DRAM_SIZE_MB << 20);
+}